Add tinycrypt 0.2.8

Signed-off-by: Fabio Utzig <utzig@apache.org>
diff --git a/ext/tinycrypt/tests/Makefile b/ext/tinycrypt/tests/Makefile
index 8067a1d..eff5a88 100644
--- a/ext/tinycrypt/tests/Makefile
+++ b/ext/tinycrypt/tests/Makefile
@@ -1,6 +1,6 @@
 ################################################################################
 #
-#      Copyright (C) 2015 by Intel Corporation, All Rights Reserved.
+#      Copyright (C) 2017 by Intel Corporation, All Rights Reserved.
 #
 # 								           Tests Makefile.
 #
@@ -56,11 +56,11 @@
 test_sha256$(DOTEXE): test_sha256.o sha256.o utils.o
 	$(LINK.o) $^ $(LOADLIBES) $(LDLIBS) -o $@
 
-test_ecc_dh$(DOTEXE): test_ecc_dh.o ecc.o ecc_dh.o test_ecc_utils.o
+test_ecc_dh$(DOTEXE): test_ecc_dh.o ecc.o ecc_dh.o test_ecc_utils.o ecc_platform_specific.o
 	$(LINK.o) $^ $(LOADLIBES) $(LDLIBS) -o $@
 
 test_ecc_dsa$(DOTEXE): test_ecc_dsa.o ecc.o utils.o ecc_dh.o \
-		ecc_dsa.o sha256.o test_ecc_utils.o
+		ecc_dsa.o sha256.o test_ecc_utils.o ecc_platform_specific.o
 	$(LINK.o) $^ $(LOADLIBES) $(LDLIBS) -o $@
 
 
diff --git a/ext/tinycrypt/tests/include/test_ecc_utils.h b/ext/tinycrypt/tests/include/test_ecc_utils.h
index 97c183c..4e29054 100644
--- a/ext/tinycrypt/tests/include/test_ecc_utils.h
+++ b/ext/tinycrypt/tests/include/test_ecc_utils.h
@@ -1,7 +1,30 @@
 /*  test_ecc_utils.h - TinyCrypt interface to common functions for ECC tests */
 
+/* Copyright (c) 2014, Kenneth MacKay
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  * Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.*/
+
 /*
- *  Copyright (C) 2015 by Intel Corporation, All Rights Reserved.
+ *  Copyright (C) 2017 by Intel Corporation, All Rights Reserved.
  *
  *  Redistribution and use in source and binary forms, with or without
  *  modification, are permitted provided that the following conditions are met:
@@ -35,48 +58,43 @@
 #ifndef __TEST_ECC_UTILS_H__
 #define __TEST_ECC_UTILS_H__
 
-#include <stdlib.h>
-#include <stdbool.h>
-#include <tinycrypt/constants.h>
-
-EccPoint keygen_vectors(char **d_vec,
-    char **qx_vec,
-    char **qy_vec,
-    int tests,
-    bool verbose);
-
-void getRandomBytes(void *p_dest, unsigned p_size);
-
-void string2host(uint32_t *native, const uint8_t *bytes, size_t len);
+#include <tinycrypt/ecc_dh.h>
+#include <tinycrypt/ecc.h>
+#include <test_utils.h>
 
 int hex2int (char hex);
 
-int hex2bin(
-    uint8_t *buf,
-    const size_t buflen,
-    const char *hex,
-    const size_t hexlen);
 
-void string2scalar(uint32_t * scalar, uint32_t num_word32, char *str);
+/*
+ * Convert hex string to byte string
+ * Return number of bytes written to buf, or 0 on error
+ */
+int hex2bin(uint8_t *buf, const size_t buflen, const char *hex,
+	    const size_t hexlen);
 
-void vli_print(uint32_t *p_vli, unsigned int p_size);
+/*
+ * Convert hex string to zero-padded nanoECC scalar
+ */
+void string2scalar(unsigned int * scalar, unsigned int num_word32, char *str);
 
-void print_ecc_scalar(
-    const char *label,
-    const uint32_t * p_vli,
-    uint32_t num_word32);
 
-void check_code(const int num,
-    const char *name,
-    const int expected,
-    const int computed,
-    const int verbose);
+void print_ecc_scalar(const char *label, const unsigned int * p_vli,
+		      unsigned int num_word32);
 
-void check_ecc_result(const int num, const char *name,
-    const uint32_t *expected,
-    const uint32_t *computed,
-    const uint32_t num_word32,
-    const bool verbose);
+int check_ecc_result(const int num, const char *name,
+		      const unsigned int *expected, 
+		      const unsigned int *computed,
+		      const unsigned int num_word32, const bool verbose);
 
-#endif
+/* Test ecc_make_keys, and also as keygen part of other tests */
+int keygen_vectors(char **d_vec, char **qx_vec, char **qy_vec, int tests, bool verbose);
+
+void vli_print_bytes(uint8_t *vli, unsigned int size);
+
+
+int check_code(const int num, const char *name, const int expected,
+		const int computed, const int verbose);
+
+
+#endif /* __TEST_ECC_UTILS_H__ */
 
diff --git a/ext/tinycrypt/tests/include/test_utils.h b/ext/tinycrypt/tests/include/test_utils.h
index 5f51511..055f91b 100644
--- a/ext/tinycrypt/tests/include/test_utils.h
+++ b/ext/tinycrypt/tests/include/test_utils.h
@@ -1,7 +1,7 @@
 /*  test_utils.h - TinyCrypt interface to common functions for tests */
 
 /*
- *  Copyright (C) 2015 by Intel Corporation, All Rights Reserved.
+ *  Copyright (C) 2017 by Intel Corporation, All Rights Reserved.
  *
  *  Redistribution and use in source and binary forms, with or without
  *  modification, are permitted provided that the following conditions are met:
@@ -83,18 +83,19 @@
 			"PROJECT EXECUTION %s\n",               \
 			result == TC_PASS ? "SUCCESSFUL" : "FAILED");   \
 	} while (0)
+
 static inline void show_str(const char *label, const uint8_t *s, size_t len)
 {
-        uint32_t i;
+        unsigned int i;
 
         TC_PRINT("%s = ", label);
-        for (i = 0; i < (uint32_t) len; ++i) {
+        for (i = 0; i < (unsigned int) len; ++i) {
                 TC_PRINT("%02x", s[i]);
         }
         TC_PRINT("\n");
 }
 
-static inline void fatal(uint32_t testnum, const void *expected, size_t expectedlen,
+static inline void fatal(unsigned int testnum, const void *expected, size_t expectedlen,
            const void *computed, size_t computedlen)
 {
 
@@ -104,10 +105,10 @@
         TC_PRINT("\n");
 }
 
-static inline uint32_t check_result(uint32_t testnum, const void *expected, size_t expectedlen,
+static inline unsigned int check_result(unsigned int testnum, const void *expected, size_t expectedlen,
                    const void *computed, size_t computedlen)
 {
-	uint32_t result = TC_PASS;
+	unsigned int result = TC_PASS;
 
         if (expectedlen != computedlen) {
                 TC_ERROR("The length of the computed buffer (%zu)", computedlen);
@@ -121,4 +122,4 @@
         return result;
 }
 
-#endif
+#endif /* __TEST_UTILS_H__ */
diff --git a/ext/tinycrypt/tests/pseudo-random-data.bin b/ext/tinycrypt/tests/pseudo-random-data.bin
new file mode 100644
index 0000000..4f174c5
--- /dev/null
+++ b/ext/tinycrypt/tests/pseudo-random-data.bin
Binary files differ
diff --git a/ext/tinycrypt/tests/test_aes.c b/ext/tinycrypt/tests/test_aes.c
index 40c89fa..ea3e2da 100644
--- a/ext/tinycrypt/tests/test_aes.c
+++ b/ext/tinycrypt/tests/test_aes.c
@@ -1,9 +1,7 @@
-/* test_aes.c - TinyCrypt
- * Implementation of some AES-128 tests (including NIST tests)
- */
+/* test_aes.c - TinyCrypt AES-128 tests (including NIST tests) */
 
 /*
- *  Copyright (C) 2015 by Intel Corporation, All Rights Reserved.
+ *  Copyright (C) 2017 by Intel Corporation, All Rights Reserved.
  *
  *  Redistribution and use in source and binary forms, with or without
  *  modification, are permitted provided that the following conditions are met:
@@ -73,7 +71,8 @@
 		0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6,
 		0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c
 	};
-	const struct tc_aes_key_sched_struct expected = {{
+	const struct tc_aes_key_sched_struct expected = {
+		{
 			0x2b7e1516, 0x28aed2a6, 0xabf71588, 0x09cf4f3c,
 			0xa0fafe17, 0x88542cb1, 0x23a33939, 0x2a6c7605,
 			0xf2c295f2, 0x7a96b943, 0x5935807a, 0x7359f67f,
@@ -85,7 +84,8 @@
 			0xead27321, 0xb58dbad2, 0x312bf560, 0x7f8d292f,
 			0xac7766f3, 0x19fadc21, 0x28d12941, 0x575c006e,
 			0xd014f9a8, 0xc9ee2589, 0xe13f0cc8, 0xb6630ca6
-		} };
+		}
+	};
 	struct tc_aes_key_sched_struct s;
 
 	TC_PRINT("AES128 %s (NIST key schedule test):\n", __func__);
@@ -97,11 +97,10 @@
 		goto exitTest1;
 	}
 
-	result = check_result(1, expected.words,
-		     sizeof(expected.words),
-		     s.words, sizeof(s.words));
+	result = check_result(1, expected.words, sizeof(expected.words), s.words,
+			      sizeof(s.words));
 
- exitTest1:
+exitTest1:
 	TC_END_RESULT(result);
 	return result;
 }
@@ -137,16 +136,16 @@
 		goto exitTest2;
 	}
 
-	result = check_result(2, expected, sizeof(expected),
-			      ciphertext, sizeof(ciphertext));
+	result = check_result(2, expected, sizeof(expected), ciphertext,
+			      sizeof(ciphertext));
 
- exitTest2:
+exitTest2:
 	TC_END_RESULT(result);
 
 	return result;
 }
 
-int var_text_test(uint32_t r, const uint8_t *in, const uint8_t *out,
+int var_text_test(unsigned int r, const uint8_t *in, const uint8_t *out,
 		  TCAesKeySched_t s)
 {
 	uint8_t ciphertext[NUM_OF_NIST_KEYS];
@@ -154,8 +153,8 @@
 	int result = TC_PASS;
 
 	(void)tc_aes_encrypt(ciphertext, in, s);
-	result = check_result(r, out, NUM_OF_NIST_KEYS,
-			      ciphertext, sizeof(ciphertext));
+	result = check_result(r, out, NUM_OF_NIST_KEYS, ciphertext,
+			      sizeof(ciphertext));
 	if (result != TC_FAIL) {
 		if (tc_aes_decrypt(decrypted, ciphertext, s) == 0) {
 			TC_ERROR("aes_decrypt failed\n");
@@ -1078,7 +1077,7 @@
 			} }
 	};
 	struct tc_aes_key_sched_struct s;
-	uint32_t i;
+	unsigned int i;
 
 	TC_PRINT("AES128 %s (NIST fixed-key and variable-text):\n", __func__);
 
@@ -1096,7 +1095,7 @@
 	return result;
 }
 
-int var_key_test(uint32_t r, const uint8_t *in, const uint8_t *out)
+int var_key_test(unsigned int r, const uint8_t *in, const uint8_t *out)
 {
 	int result = TC_PASS;
 
@@ -1110,8 +1109,8 @@
 	(void)tc_aes128_set_encrypt_key(&s, in);
 
 	(void)tc_aes_encrypt(ciphertext, plaintext, &s);
-	result = check_result(r, out, NUM_OF_NIST_KEYS,
-			      ciphertext, sizeof(ciphertext));
+	result = check_result(r, out, NUM_OF_NIST_KEYS, ciphertext,
+			      sizeof(ciphertext));
 
 	return result;
 }
@@ -2020,7 +2019,7 @@
 				0x89, 0x64, 0x48, 0x45, 0x38, 0xbf, 0xc9, 0x2c
 			} }
 	};
-	uint32_t i;
+	unsigned int i;
 
 	TC_PRINT("AES128 test #4 (NIST variable-key and fixed-text):\n");
 
diff --git a/ext/tinycrypt/tests/test_cbc_mode.c b/ext/tinycrypt/tests/test_cbc_mode.c
index 24fe14b..ffa0a88 100644
--- a/ext/tinycrypt/tests/test_cbc_mode.c
+++ b/ext/tinycrypt/tests/test_cbc_mode.c
@@ -1,7 +1,7 @@
 /* test_cbc_mode.c - TinyCrypt implementation of some AES-CBC tests */
 
 /*
- *  Copyright (C) 2015 by Intel Corporation, All Rights Reserved.
+ *  Copyright (C) 2017 by Intel Corporation, All Rights Reserved.
  *
  *  Redistribution and use in source and binary forms, with or without
  *  modification, are permitted provided that the following conditions are met:
@@ -108,7 +108,7 @@
 	uint8_t encrypted[80];
 	uint8_t decrypted[64];
 	uint8_t *p;
-	uint32_t length;
+	unsigned int length;
 	int result = TC_PASS;
 
 	(void)tc_aes128_set_encrypt_key(&a, key);
@@ -116,36 +116,34 @@
 	(void)memcpy(iv_buffer, iv, TC_AES_BLOCK_SIZE);
 
 	TC_PRINT("CBC test #1 (encryption SP 800-38a tests):\n");
-	if (tc_cbc_mode_encrypt(encrypted,
-				sizeof(plaintext) + TC_AES_BLOCK_SIZE,
-				plaintext, sizeof(plaintext),
-				iv_buffer, &a) == 0) {
+	if (tc_cbc_mode_encrypt(encrypted, sizeof(plaintext) + TC_AES_BLOCK_SIZE,
+				plaintext, sizeof(plaintext), iv_buffer, &a) == 0) {
 		TC_ERROR("CBC test #1 (encryption SP 800-38a tests) failed in "
 			 "%s.\n", __func__);
 		result = TC_FAIL;
 		goto exitTest1;
 	}
 
-	result = check_result(1, ciphertext, sizeof(encrypted),
-			      encrypted, sizeof(encrypted));
+	result = check_result(1, ciphertext, sizeof(encrypted), encrypted,
+			      sizeof(encrypted));
 	TC_END_RESULT(result);
 
 	TC_PRINT("CBC test #2 (decryption SP 800-38a tests):\n");
 	(void)tc_aes128_set_decrypt_key(&a, key);
 
 	p = &encrypted[TC_AES_BLOCK_SIZE];
-	length = ((uint32_t) sizeof(encrypted)) - TC_AES_BLOCK_SIZE;
+	length = ((unsigned int) sizeof(encrypted)) - TC_AES_BLOCK_SIZE;
 
-	if (tc_cbc_mode_decrypt(decrypted, length - TC_AES_BLOCK_SIZE, p,
-				length, encrypted, &a) == 0) {
+	if (tc_cbc_mode_decrypt(decrypted, length - TC_AES_BLOCK_SIZE, p, length,
+				encrypted, &a) == 0) {
 		TC_ERROR("CBC test #2 (decryption SP 800-38a tests) failed in. "
 			 "%s\n", __func__);
 		result = TC_FAIL;
 		goto exitTest1;
 	}
 
-	result = check_result(2, plaintext, sizeof(decrypted),
-			      decrypted, sizeof(decrypted));
+	result = check_result(2, plaintext, sizeof(decrypted), decrypted,
+			      sizeof(decrypted));
 
 exitTest1:
 	TC_END_RESULT(result);
@@ -163,7 +161,8 @@
 
 	TC_PRINT("Performing CBC tests:\n");
 	result = test_1_and_2();
-	if (result == TC_FAIL) {	/* terminate test */
+	if (result == TC_FAIL) {	
+		/* terminate test */
 		TC_ERROR("CBC test #1 failed.\n");
 		goto exitTest;
 	}
diff --git a/ext/tinycrypt/tests/test_ccm_mode.c b/ext/tinycrypt/tests/test_ccm_mode.c
index 4ed0f51..878edb3 100644
--- a/ext/tinycrypt/tests/test_ccm_mode.c
+++ b/ext/tinycrypt/tests/test_ccm_mode.c
@@ -1,7 +1,7 @@
 /* test_ccm_mode.c - TinyCrypt AES-CCM tests (RFC 3610 tests) */
 
 /*
- *  Copyright (C) 2015 by Intel Corporation, All Rights Reserved.
+ *  Copyright (C) 2017 by Intel Corporation, All Rights Reserved.
  *
  *  Redistribution and use in source and binary forms, with or without
  *  modification, are permitted provided that the following conditions are met:
@@ -51,8 +51,8 @@
 
 #include <string.h>
 
-#define CIPHERTEXT_LEN 50
-#define DECRYPTED_LEN 25
+#define TC_CCM_MAX_CT_SIZE 50
+#define TC_CCM_MAX_PT_SIZE 25
 #define NUM_NIST_KEYS 16
 #define NONCE_LEN 13
 #define HEADER_LEN 8
@@ -67,16 +67,17 @@
 #define EXPECTED_BUF_LEN34 34
 #define EXPECTED_BUF_LEN35 35
 
-int do_test(const uint8_t *key,
-	    uint8_t *nonce, size_t nlen,
-	    const uint8_t *hdr, size_t hlen,
-	    const uint8_t *data, size_t dlen,
-	    const uint8_t *expected, size_t elen,
-	    const int mlen)
+int do_test(const uint8_t *key, uint8_t *nonce, 
+	    size_t nlen, const uint8_t *hdr,
+	    size_t hlen, const uint8_t *data,
+	    size_t dlen, const uint8_t *expected,
+	    size_t elen, const int mlen)
 {
+
 	int result = TC_PASS;
-	uint8_t ciphertext[CIPHERTEXT_LEN];
-	uint8_t decrypted[DECRYPTED_LEN];
+
+	uint8_t ciphertext[TC_CCM_MAX_CT_SIZE];
+	uint8_t decrypted[TC_CCM_MAX_PT_SIZE];
 	struct tc_ccm_mode_struct c;
 	struct tc_aes_key_sched_struct sched;
 
@@ -90,8 +91,8 @@
 		goto exitTest1;
 	}
 
-	result = tc_ccm_generation_encryption(ciphertext, hdr, hlen,
-					      data, dlen, &c);
+	result = tc_ccm_generation_encryption(ciphertext, TC_CCM_MAX_CT_SIZE, hdr,
+					      hlen, data, dlen, &c);
 	if (result == 0) {
 		TC_ERROR("ccm_encrypt failed in %s.\n", __func__);
 
@@ -110,8 +111,8 @@
 		goto exitTest1;
 	}
 
-	result = tc_ccm_decryption_verification(decrypted, hdr, hlen,
-						ciphertext, dlen + mlen, &c);
+	result = tc_ccm_decryption_verification(decrypted, TC_CCM_MAX_PT_SIZE, hdr,
+						hlen, ciphertext, dlen+mlen, &c);
 	if (result == 0) {
 		TC_ERROR("ccm_decrypt failed in %s.\n", __func__);
 		show_str("\t\tExpected", data, dlen);
@@ -378,8 +379,8 @@
 	};
 	struct tc_ccm_mode_struct c;
 	struct tc_aes_key_sched_struct sched;
-	uint8_t decrypted[DECRYPTED_LEN];
-	uint8_t ciphertext[CIPHERTEXT_LEN];
+	uint8_t decrypted[TC_CCM_MAX_PT_SIZE];
+	uint8_t ciphertext[TC_CCM_MAX_CT_SIZE];
 	uint16_t mlen = M_LEN10;
 
 	TC_PRINT("%s: Performing CCM test #7 (no associated data):\n",
@@ -393,8 +394,8 @@
 		goto exitTest1;
 	}
 
-	result = tc_ccm_generation_encryption(ciphertext, hdr, 0,
-					      data, sizeof(data), &c);
+	result = tc_ccm_generation_encryption(ciphertext, TC_CCM_MAX_CT_SIZE, hdr,
+					      0, data, sizeof(data), &c);
 	if (result == 0) {
 		TC_ERROR("ccm_encryption failed in %s.\n", __func__);
 
@@ -402,8 +403,8 @@
 		goto exitTest1;
 	}
 
-	result = tc_ccm_decryption_verification(decrypted, hdr, 0, ciphertext,
-						sizeof(data) + mlen, &c);
+	result = tc_ccm_decryption_verification (decrypted, TC_CCM_MAX_PT_SIZE, hdr,
+						0, ciphertext, sizeof(data)+mlen, &c);
 	if (result == 0) {
 		TC_ERROR("ccm_decrypt failed in %s.\n", __func__);
 		show_str("\t\tExpected", data, sizeof(data));
@@ -436,11 +437,15 @@
 	const uint8_t hdr[8] = {
 		0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07
 	};
-	uint8_t data[] = {};
+
+	uint8_t *data = NULL;
+
 	struct tc_ccm_mode_struct c;
 	struct tc_aes_key_sched_struct sched;
-	uint8_t decrypted[DECRYPTED_LEN];
-	uint8_t ciphertext[CIPHERTEXT_LEN];
+
+	uint8_t decrypted[TC_CCM_MAX_PT_SIZE];
+	uint8_t ciphertext[TC_CCM_MAX_CT_SIZE];
+
 	uint16_t mlen = M_LEN10;
 
 	TC_PRINT("%s: Performing CCM test #8 (no payload data):\n", __func__);
@@ -453,8 +458,8 @@
 		goto exitTest1;
 	}
 
-	result = tc_ccm_generation_encryption(ciphertext, hdr, sizeof(hdr),
-					      data, sizeof(data), &c);
+	result = tc_ccm_generation_encryption(ciphertext, TC_CCM_MAX_CT_SIZE, hdr,
+					      sizeof(hdr), data, 0, &c);
 	if (result == 0) {
 		TC_ERROR("ccm_encrypt failed in %s.\n", __func__);
 
@@ -462,8 +467,8 @@
 		goto exitTest1;
 	}
 
-	result = tc_ccm_decryption_verification(decrypted, hdr, sizeof(hdr),
-						ciphertext, mlen, &c);
+	result = tc_ccm_decryption_verification(decrypted, TC_CCM_MAX_PT_SIZE, hdr,
+						sizeof(hdr), ciphertext, mlen, &c);
 	if (result == 0) {
 		TC_ERROR("ccm_decrypt failed in %s.\n", __func__);
 		show_str("\t\tExpected", data, sizeof(data));
diff --git a/ext/tinycrypt/tests/test_cmac_mode.c b/ext/tinycrypt/tests/test_cmac_mode.c
index 759c330..dc757fe 100644
--- a/ext/tinycrypt/tests/test_cmac_mode.c
+++ b/ext/tinycrypt/tests/test_cmac_mode.c
@@ -1,7 +1,7 @@
 /* test_cmac_mode.c - TinyCrypt AES-CMAC tests (including SP 800-38B tests) */
 
 /*
- *  Copyright (C) 2015 by Intel Corporation, All Rights Reserved.
+ *  Copyright (C) 2017 by Intel Corporation, All Rights Reserved.
  *
  *  Redistribution and use in source and binary forms, with or without
  *  modification, are permitted provided that the following conditions are met:
@@ -38,7 +38,7 @@
  *  - CMAC test #2 null msg (SP 800-38B test vector #1)
  *  - CMAC test #3 1 block msg (SP 800-38B test vector #2)
  *  - CMAC test #4 320 bit msg (SP 800-38B test vector #3)
- *  - CMAC test #5 512 bit msg(SP 800-38B test vector #4)
+ *  - CMAC test #5 512 bit msg (SP 800-38B test vector #4)
  */
 
 #include <tinycrypt/cmac_mode.h>
@@ -53,7 +53,7 @@
 
 static void show(const char *label, const uint8_t *s, size_t slen)
 {
-	uint32_t i;
+	unsigned int i;
 
 	TC_PRINT("%s\t", label);
 	for (i = 0; i < slen; ++i) {
@@ -65,7 +65,7 @@
 extern void gf_double(uint8_t *out, uint8_t *in);
 
 static int verify_gf_2_128_double(uint8_t *K1, uint8_t *K2,
-				       struct tc_cmac_struct s)
+				  struct tc_cmac_struct s)
 {
 	int result = TC_PASS;
 
@@ -249,6 +249,8 @@
 
 /*
  * Main task to test CMAC
+ * effects:    returns 1 if all tests pass
+ * exceptions: returns a negative value if some test fails
  */
 int main(void)
 {
@@ -268,31 +270,36 @@
 
 	(void) tc_cmac_setup(&state, key, &sched);
 	result = verify_gf_2_128_double(K1, K2, state);
-	if (result == TC_FAIL) { /* terminate test */
+	if (result == TC_FAIL) {
+		/* terminate test */
 		TC_ERROR("CMAC test #1 (128 double) failed.\n");
 		goto exitTest;
 	}
 	(void) tc_cmac_setup(&state, key, &sched);
 	result = verify_cmac_null_msg(&state);
-	if (result == TC_FAIL) { /* terminate test */
+	if (result == TC_FAIL) {
+		/* terminate test */
 		TC_ERROR("CMAC test #2 (null msg) failed.\n");
 		goto exitTest;
 	}
 	(void) tc_cmac_setup(&state, key, &sched);
 	result = verify_cmac_1_block_msg(&state);
-	if (result == TC_FAIL) { /* terminate test */
+	if (result == TC_FAIL) {
+		/* terminate test */
 		TC_ERROR("CMAC test #3 (1 block msg)failed.\n");
 		goto exitTest;
 	}
 	(void) tc_cmac_setup(&state, key, &sched);
 	result = verify_cmac_320_bit_msg(&state);
-	if (result == TC_FAIL) { /* terminate test */
+	if (result == TC_FAIL) { 
+		/* terminate test */
 		TC_ERROR("CMAC test #4 (320 bit msg) failed.\n");
 		goto exitTest;
 	}
 	(void) tc_cmac_setup(&state, key, &sched);
 	result = verify_cmac_512_bit_msg(&state);
-	if (result == TC_FAIL) { /* terminate test */
+	if (result == TC_FAIL) {
+		/* terminate test */
 		TC_ERROR("CMAC test #5  (512 bit msg)failed.\n");
 		goto exitTest;
 	}
diff --git a/ext/tinycrypt/tests/test_ctr_mode.c b/ext/tinycrypt/tests/test_ctr_mode.c
index d185aee..daf3787 100644
--- a/ext/tinycrypt/tests/test_ctr_mode.c
+++ b/ext/tinycrypt/tests/test_ctr_mode.c
@@ -1,7 +1,7 @@
 /* test_ctr_mode.c - TinyCrypt implementation of some AES-CTR tests */
 
 /*
- *  Copyright (C) 2015 by Intel Corporation, All Rights Reserved.
+ *  Copyright (C) 2017 by Intel Corporation, All Rights Reserved.
  *
  *  Redistribution and use in source and binary forms, with or without
  *  modification, are permitted provided that the following conditions are met:
@@ -50,37 +50,37 @@
 /*
  * NIST SP 800-38a CTR Test for encryption and decryption.
  */
-uint32_t test_1_and_2(void)
+unsigned int test_1_and_2(void)
 {
         const uint8_t key[16] = {
-	0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6, 0xab, 0xf7, 0x15, 0x88,
-	0x09, 0xcf, 0x4f, 0x3c
+		0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6, 0xab, 0xf7, 0x15, 0x88,
+		0x09, 0xcf, 0x4f, 0x3c
         };
         uint8_t ctr[16] = {
-	0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb,
-	0xfc, 0xfd, 0xfe, 0xff
+		0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb,
+		0xfc, 0xfd, 0xfe, 0xff
         };
         const uint8_t plaintext[64] = {
-	0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96, 0xe9, 0x3d, 0x7e, 0x11,
-	0x73, 0x93, 0x17, 0x2a, 0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c,
-	0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51, 0x30, 0xc8, 0x1c, 0x46,
-	0xa3, 0x5c, 0xe4, 0x11, 0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef,
-	0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17, 0xad, 0x2b, 0x41, 0x7b,
-	0xe6, 0x6c, 0x37, 0x10
+		0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96, 0xe9, 0x3d, 0x7e, 0x11,
+		0x73, 0x93, 0x17, 0x2a, 0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c,
+		0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51, 0x30, 0xc8, 0x1c, 0x46,
+		0xa3, 0x5c, 0xe4, 0x11, 0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef,
+		0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17, 0xad, 0x2b, 0x41, 0x7b,
+		0xe6, 0x6c, 0x37, 0x10
         };
         const uint8_t ciphertext[80] = {
-	0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb,
-	0xfc, 0xfd, 0xfe, 0xff, 0x87, 0x4d, 0x61, 0x91, 0xb6, 0x20, 0xe3, 0x26,
-	0x1b, 0xef, 0x68, 0x64, 0x99, 0x0d, 0xb6, 0xce, 0x98, 0x06, 0xf6, 0x6b,
-	0x79, 0x70, 0xfd, 0xff, 0x86, 0x17, 0x18, 0x7b, 0xb9, 0xff, 0xfd, 0xff,
-	0x5a, 0xe4, 0xdf, 0x3e, 0xdb, 0xd5, 0xd3, 0x5e, 0x5b, 0x4f, 0x09, 0x02,
-	0x0d, 0xb0, 0x3e, 0xab, 0x1e, 0x03, 0x1d, 0xda, 0x2f, 0xbe, 0x03, 0xd1,
-	0x79, 0x21, 0x70, 0xa0, 0xf3, 0x00, 0x9c, 0xee
+		0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb,
+		0xfc, 0xfd, 0xfe, 0xff, 0x87, 0x4d, 0x61, 0x91, 0xb6, 0x20, 0xe3, 0x26,
+		0x1b, 0xef, 0x68, 0x64, 0x99, 0x0d, 0xb6, 0xce, 0x98, 0x06, 0xf6, 0x6b,
+		0x79, 0x70, 0xfd, 0xff, 0x86, 0x17, 0x18, 0x7b, 0xb9, 0xff, 0xfd, 0xff,
+		0x5a, 0xe4, 0xdf, 0x3e, 0xdb, 0xd5, 0xd3, 0x5e, 0x5b, 0x4f, 0x09, 0x02,
+		0x0d, 0xb0, 0x3e, 0xab, 0x1e, 0x03, 0x1d, 0xda, 0x2f, 0xbe, 0x03, 0xd1,
+		0x79, 0x21, 0x70, 0xa0, 0xf3, 0x00, 0x9c, 0xee
         };
         struct tc_aes_key_sched_struct sched;
         uint8_t out[80];
         uint8_t decrypted[64];
-        uint32_t result = TC_PASS;
+        unsigned int result = TC_PASS;
 
         TC_PRINT("CTR test #1 (encryption SP 800-38a tests):\n");
         (void)tc_aes128_set_encrypt_key(&sched, key);
@@ -99,7 +99,7 @@
         TC_PRINT("CTR test #2 (decryption SP 800-38a tests):\n");
         (void) memcpy(ctr, out, sizeof(ctr));
         if (tc_ctr_mode(decrypted, sizeof(decrypted), &out[TC_AES_BLOCK_SIZE],
-                         sizeof(decrypted), ctr, &sched) == 0) {
+                        sizeof(decrypted), ctr, &sched) == 0) {
                 TC_ERROR("CTR test #2 (decryption SP 800-38a tests) failed in %s.\n", __func__);
                 result = TC_FAIL;
                 goto exitTest1;
@@ -119,7 +119,7 @@
 
 int main(void)
 {
-        uint32_t result = TC_PASS;
+        unsigned int result = TC_PASS;
 
         TC_START("Performing AES128-CTR mode tests:");
 
diff --git a/ext/tinycrypt/tests/test_ctr_prng.c b/ext/tinycrypt/tests/test_ctr_prng.c
index b429670..e95f7f1 100644
--- a/ext/tinycrypt/tests/test_ctr_prng.c
+++ b/ext/tinycrypt/tests/test_ctr_prng.c
@@ -60,18 +60,17 @@
 	uint8_t *p;
 	int len, i;
 	
-  len    = strlen(inhex) / 2;
+	len = strlen(inhex) / 2;
 	retval = (uint8_t *)malloc(len+1);
 	for(i=0, p = (uint8_t *) inhex; i<len; i++) {
 		retval[i] = (nibbleFromChar(*p) << 4) | nibbleFromChar(*(p+1));
 		p += 2;
 	}
-    retval[len] = 0;
+	retval[len] = 0;
 	return retval;
 }
 
-typedef struct
-{
+typedef struct {
 	char * entropyString;
 	char * personalizationString;  /* may be null */
 	char * additionalInputString1; /* may be null */
@@ -87,19 +86,19 @@
 	 * ReturnedBitsLen = 512
 	 */
 	{  /* Count 0 */
-	"ce50f33da5d4c1d3d4004eb35244b7f2cd7f2e5076fbf6780a7ff634b249a5fc",
-	0,
-	0,
-	0,
-	"6545c0529d372443b392ceb3ae3a99a30f963eaf313280f1d1a1e87f9db373d361e75d18018266499cccd64d9bbb8de0185f213383080faddec46bae1f784e5a",
+		"ce50f33da5d4c1d3d4004eb35244b7f2cd7f2e5076fbf6780a7ff634b249a5fc",
+		0,
+		0,
+		0,
+		"6545c0529d372443b392ceb3ae3a99a30f963eaf313280f1d1a1e87f9db373d361e75d18018266499cccd64d9bbb8de0185f213383080faddec46bae1f784e5a",
 	},
 
 	{ /* Count 1 */
-	"a385f70a4d450321dfd18d8379ef8e7736fee5fbf0a0aea53b76696094e8aa93",
-	0,
-	0,
-	0,
-	"1a062553ab60457ed1f1c52f5aca5a3be564a27545358c112ed92c6eae2cb7597cfcc2e0a5dd81c5bfecc941da5e8152a9010d4845170734676c8c1b6b3073a5",
+		"a385f70a4d450321dfd18d8379ef8e7736fee5fbf0a0aea53b76696094e8aa93",
+		0,
+		0,
+		0,
+		"1a062553ab60457ed1f1c52f5aca5a3be564a27545358c112ed92c6eae2cb7597cfcc2e0a5dd81c5bfecc941da5e8152a9010d4845170734676c8c1b6b3073a5",
 	},
 
 	/*
@@ -108,19 +107,19 @@
 	 * ReturnedBitsLen = 512
 	 */
 	{ /* Count 0 */
-	"6bd4f2ae649fc99350951ff0c5d460c1a9214154e7384975ee54b34b7cae0704",
-	0,
-	"ecd4893b979ac92db1894ae3724518a2f78cf2dbe2f6bbc6fda596df87c7a4ae",
-	"b23e9188687c88768b26738862c4791fa52f92502e1f94bf66af017c4228a0dc",
-	"5b2bf7a5c60d8ab6591110cbd61cd387b02de19784f496d1a109123d8b3562a5de2dd6d5d1aef957a6c4f371cecd93c15799d82e34d6a0dba7e915a27d8e65f3",
+		"6bd4f2ae649fc99350951ff0c5d460c1a9214154e7384975ee54b34b7cae0704",
+		0,
+		"ecd4893b979ac92db1894ae3724518a2f78cf2dbe2f6bbc6fda596df87c7a4ae",
+		"b23e9188687c88768b26738862c4791fa52f92502e1f94bf66af017c4228a0dc",
+		"5b2bf7a5c60d8ab6591110cbd61cd387b02de19784f496d1a109123d8b3562a5de2dd6d5d1aef957a6c4f371cecd93c15799d82e34d6a0dba7e915a27d8e65f3",
 	},
 
 	{ /* Count 1 */
-	"e2addbde2a76e769fc7aa3f45b31402f482b73bbe7067ad6254621f06d3ef68b",
-	0,
-	"ad11643b019e31245e4ea41f18f7680458310580fa6efad275c5833e7f800dae",
-	"b5d849616b3123c9725d188cd0005003220768d1200f9e7cc29ef6d88afb7b9a",
-	"132d0d50c8477a400bb8935be5928f916a85da9ffcf1a8f6e9f9a14cca861036cda14cf66d8953dab456b632cf687cd539b4b807926561d0b3562b9d3334fb61",
+		"e2addbde2a76e769fc7aa3f45b31402f482b73bbe7067ad6254621f06d3ef68b",
+		0,
+		"ad11643b019e31245e4ea41f18f7680458310580fa6efad275c5833e7f800dae",
+		"b5d849616b3123c9725d188cd0005003220768d1200f9e7cc29ef6d88afb7b9a",
+		"132d0d50c8477a400bb8935be5928f916a85da9ffcf1a8f6e9f9a14cca861036cda14cf66d8953dab456b632cf687cd539b4b807926561d0b3562b9d3334fb61",
 	},
 
 	/*
@@ -129,19 +128,19 @@
 	 * ReturnedBitsLen = 512
 	 */
 	{  /* Count 0 */
-	"cee23de86a69c7ef57f6e1e12bd16e35e51624226fa19597bf93ec476a44b0f2",
-	"a2ef16f226ea324f23abd59d5e3c660561c25e73638fe21c87566e86a9e04c3e",
-	0,
-	0,
-	"2a76d71b329f449c98dc08fff1d205a2fbd9e4ade120c7611c225c984eac8531288dd3049f3dc3bb3671501ab8fbf9ad49c86cce307653bd8caf29cb0cf07764",
+		"cee23de86a69c7ef57f6e1e12bd16e35e51624226fa19597bf93ec476a44b0f2",
+		"a2ef16f226ea324f23abd59d5e3c660561c25e73638fe21c87566e86a9e04c3e",
+		0,
+		0,
+		"2a76d71b329f449c98dc08fff1d205a2fbd9e4ade120c7611c225c984eac8531288dd3049f3dc3bb3671501ab8fbf9ad49c86cce307653bd8caf29cb0cf07764",
 	},
 
 	{ /* Count 1 */
-	"b09eb4a82a39066ec945bb7c6aef6a0682a62c3e674bd900297d4271a5f25b49",
-	"a3b768adcfe76d61c972d900da8dffeeb2a42e740247aa719ed1c924d2d10bd4",
-	0,
-	0,
-	"5a1c26803f3ffd4daf32042fdcc32c3812bb5ef13bc208cef82ea047d2890a6f5dcecf32bcc32a2585775ac5e1ffaa8de00664c54fe00a7674b985619e953c3a",
+		"b09eb4a82a39066ec945bb7c6aef6a0682a62c3e674bd900297d4271a5f25b49",
+		"a3b768adcfe76d61c972d900da8dffeeb2a42e740247aa719ed1c924d2d10bd4",
+		0,
+		0,
+		"5a1c26803f3ffd4daf32042fdcc32c3812bb5ef13bc208cef82ea047d2890a6f5dcecf32bcc32a2585775ac5e1ffaa8de00664c54fe00a7674b985619e953c3a",
 	},
 
 	/*
@@ -150,19 +149,19 @@
 	 * ReturnedBitsLen = 512
 	 */
 	{  /* Count 0 */
-	"50b96542a1f2b8b05074051fe8fb0e45adbbd5560e3594e12d485fe1bfcb741f",
-	"820c3030f97b3ead81a93b88b871937278fd3d711d2085d9280cba394673b17e",
-	"1f1632058806d6d8e231288f3b15a3c324e90ccef4891bd595f09c3e80e27469",
-	"5cadc8bfd86d2a5d44f921f64c7d153001b9bdd7caa6618639b948ebfad5cb8a",
-	"02b76a66f103e98d450e25e09c35337747d987471d2b3d81e03be24c7e985417a32acd72bc0a6eddd9871410dacb921c659249b4e2b368c4ac8580fb5db559bc",
+		"50b96542a1f2b8b05074051fe8fb0e45adbbd5560e3594e12d485fe1bfcb741f",
+		"820c3030f97b3ead81a93b88b871937278fd3d711d2085d9280cba394673b17e",
+		"1f1632058806d6d8e231288f3b15a3c324e90ccef4891bd595f09c3e80e27469",
+		"5cadc8bfd86d2a5d44f921f64c7d153001b9bdd7caa6618639b948ebfad5cb8a",
+		"02b76a66f103e98d450e25e09c35337747d987471d2b3d81e03be24c7e985417a32acd72bc0a6eddd9871410dacb921c659249b4e2b368c4ac8580fb5db559bc",
 	},
 
 	{ /* Count 1 */
-	"ff5f4b754e8b364f6df0c5effba5f1c036de49c4b38cd8d230ee1f14d7234ef5",
-	"994eb339f64034005d2e18352899e77df446e285c3430631d557498aac4f4280",
-	"e1824832d5fc2a6dea544cac2ab73306d6566bde98cc8f9425d064b860a9b218",
-	"c08b42433a78fd393a34ffc24724d479af08c36882799c134165d98b2866dc0a",
-	"1efa34aed07dd57bde9741b8d1907d28e8c1ac71601df37ef4295e6ffb67f6a1c4c13e5def65d505e2408aeb82948999ca1f9c9113b99a6b59ff7f0cc3dc6e92",
+		"ff5f4b754e8b364f6df0c5effba5f1c036de49c4b38cd8d230ee1f14d7234ef5",
+		"994eb339f64034005d2e18352899e77df446e285c3430631d557498aac4f4280",
+		"e1824832d5fc2a6dea544cac2ab73306d6566bde98cc8f9425d064b860a9b218",
+		"c08b42433a78fd393a34ffc24724d479af08c36882799c134165d98b2866dc0a",
+		"1efa34aed07dd57bde9741b8d1907d28e8c1ac71601df37ef4295e6ffb67f6a1c4c13e5def65d505e2408aeb82948999ca1f9c9113b99a6b59ff7f0cc3dc6e92",
 	},
 
 	/*
@@ -171,19 +170,19 @@
 	 * ReturnedBitsLen = 512
 	 */
 	{  /* Count 0 */
-	"69a09f6bf5dda15cd4af29e14cf5e0cddd7d07ac39bba587f8bc331104f9c448",
-	0,
-	0,
-	0,
-	"f78a4919a6ec899f7b6c69381febbbe083315f3d289e70346db0e4ec4360473ae0b3d916e9b6b964309f753ed66ae59de48da316cc1944bc8dfd0e2575d0ff6d",
+		"69a09f6bf5dda15cd4af29e14cf5e0cddd7d07ac39bba587f8bc331104f9c448",
+		0,
+		0,
+		0,
+		"f78a4919a6ec899f7b6c69381febbbe083315f3d289e70346db0e4ec4360473ae0b3d916e9b6b964309f753ed66ae59de48da316cc1944bc8dfd0e2575d0ff6d",
 	},
 
 	{ /* Count 1 */
-	"80bfbd340d79888f34f043ed6807a9f28b72b6644d9d9e9d777109482b80788a",
-	0,
-	0,
-	0,
-	"80db048d2f130d864b19bfc547c92503e580cb1a8e1f74f3d97fdda6501fb1aa81fcedac0dd18b6ccfdc183ca28a44fc9f3a08834ba8751a2f4495367c54a185",
+		"80bfbd340d79888f34f043ed6807a9f28b72b6644d9d9e9d777109482b80788a",
+		0,
+		0,
+		0,
+		"80db048d2f130d864b19bfc547c92503e580cb1a8e1f74f3d97fdda6501fb1aa81fcedac0dd18b6ccfdc183ca28a44fc9f3a08834ba8751a2f4495367c54a185",
 	},
 
 	/*
@@ -192,19 +191,19 @@
 	 * ReturnedBitsLen = 512
 	 */
 	{ /* Count 0 */
-	"7f40804693552e317523fda6935a5bc814353b1fbb7d334964ac4d1d12ddccce",
-	0,
-	"95c04259f64fcd1fe00c183aa3fb76b8a73b4d1243b800d770e38515bc41143c",
-	"5523102dbd7fe1228436b91a765b165ae6405eb0236e237afad4759cf0888941",
-	"1abf6bccb4c2d64e5187b1e2e34e493eca204ee4eef0d964267e38228f5f20efba376430a266f3832916d0a45b2703f46401dfd145e447a0a1667ebd8b6ee748",
+		"7f40804693552e317523fda6935a5bc814353b1fbb7d334964ac4d1d12ddccce",
+		0,
+		"95c04259f64fcd1fe00c183aa3fb76b8a73b4d1243b800d770e38515bc41143c",
+		"5523102dbd7fe1228436b91a765b165ae6405eb0236e237afad4759cf0888941",
+		"1abf6bccb4c2d64e5187b1e2e34e493eca204ee4eef0d964267e38228f5f20efba376430a266f3832916d0a45b2703f46401dfd145e447a0a1667ebd8b6ee748",
 	},
 
 	{ /* Count 1 */
-	"350df677409a1dc297d01d3716a2abdfa6272cd030ab75f76839648582b47113",
-	0,
-	"ba5709a12ae6634a5436b7ea06838b48f7b847a237f6654a0e27c776ebee9511",
-	"f1b2c717c5e3a934127e10471d67accc65f4a45010ca53b35f54c88833dbd8e7",
-	"1ef1ea279812e8abe54f7ffd12d04c80ae40741f4ccfe232a5fba3a78dfd3e2ed419b88ee9188df724160cbb3aea0f276e84a3c0ff01e3b89fe30ebcfa64cb86",
+		"350df677409a1dc297d01d3716a2abdfa6272cd030ab75f76839648582b47113",
+		0,
+		"ba5709a12ae6634a5436b7ea06838b48f7b847a237f6654a0e27c776ebee9511",
+		"f1b2c717c5e3a934127e10471d67accc65f4a45010ca53b35f54c88833dbd8e7",
+		"1ef1ea279812e8abe54f7ffd12d04c80ae40741f4ccfe232a5fba3a78dfd3e2ed419b88ee9188df724160cbb3aea0f276e84a3c0ff01e3b89fe30ebcfa64cb86",
 	},
 
 	/*
@@ -213,19 +212,19 @@
 	 * ReturnedBitsLen = 512
 	 */
 	{  /* Count 0 */
-	"3fef762f0aa0677f61c65d749eeb10b013ff68ccc6314f150cfee752dcd8f987",
-	"f56db099240c7590dac396372b8737404d418b2864a3df96a8a397967245735f",
-	0,
-	0,
-	"af0afe0837442136fbb1959a1c91a9291c1d8188ede07c67d0e4dd6541303415e7a67999c302ba0df555324c26077514592a9b6db6be2f153fad2250161164e4",
+		"3fef762f0aa0677f61c65d749eeb10b013ff68ccc6314f150cfee752dcd8f987",
+		"f56db099240c7590dac396372b8737404d418b2864a3df96a8a397967245735f",
+		0,
+		0,
+		"af0afe0837442136fbb1959a1c91a9291c1d8188ede07c67d0e4dd6541303415e7a67999c302ba0df555324c26077514592a9b6db6be2f153fad2250161164e4",
 	},
 
 	{ /* Count 1 */
-	"3eebe77db4631862e3eb7e39370515b8baa1cdd71a5b1b0cda79c14d0b5f48ea",
-	"4be56a9b9c21242739c985ef12aa4d98e8c7da07c4c1dc6829f2e06833cfa148",
-	0,
-	0,
-	"be9e18a753df261927473c8bb5fb7c3ea6e821df5ab49adc566a4ebf44f75fa825b1f9d8c154bcd469134c0bb688e07e3c3e45407ca350d540e1528cc2e64068",
+		"3eebe77db4631862e3eb7e39370515b8baa1cdd71a5b1b0cda79c14d0b5f48ea",
+		"4be56a9b9c21242739c985ef12aa4d98e8c7da07c4c1dc6829f2e06833cfa148",
+		0,
+		0,
+		"be9e18a753df261927473c8bb5fb7c3ea6e821df5ab49adc566a4ebf44f75fa825b1f9d8c154bcd469134c0bb688e07e3c3e45407ca350d540e1528cc2e64068",
 	},
 
 	/*
@@ -234,59 +233,56 @@
 	 * ReturnedBitsLen = 512
 	 */
 	{  /* Count 0 */
-	"c129c2732003bbf1d1dec244a933cd04cb47199bbce98fe080a1be880afb2155",
-	"64e2b9ac5c20642e3e3ee454b7463861a7e93e0dd1bbf8c4a0c28a6cb3d811ba",
-	"f94f0975760d52f47bd490d1623a9907e4df701f601cf2d573aba803a29d2b51",
-	"6f99720b186e2028a5fcc586b3ea518458e437ff449c7c5a318e6d13f75b5db7",
-	"7b8b3378b9031ab3101cec8af5b8ba5a9ca2a9af41432cd5f2e5e19716140bb219ed7f4ba88fc37b2d7e146037d2cac1128ffe14131c8691e581067a29cacf80",
+		"c129c2732003bbf1d1dec244a933cd04cb47199bbce98fe080a1be880afb2155",
+		"64e2b9ac5c20642e3e3ee454b7463861a7e93e0dd1bbf8c4a0c28a6cb3d811ba",
+		"f94f0975760d52f47bd490d1623a9907e4df701f601cf2d573aba803a29d2b51",
+		"6f99720b186e2028a5fcc586b3ea518458e437ff449c7c5a318e6d13f75b5db7",
+		"7b8b3378b9031ab3101cec8af5b8ba5a9ca2a9af41432cd5f2e5e19716140bb219ed7f4ba88fc37b2d7e146037d2cac1128ffe14131c8691e581067a29cacf80",
 	},
 
 	{ /* Count 1 */
-	"7667643670254b3530e80a17b16b22406e84efa6a4b5ceef3ebc877495fc6048",
-	"40b92969953acde756747005117e46eff6893d7132a8311ffb1062280367326b",
-	"797a02ffbe8ff2c94ed0e5d39ebdc7847adaa762a88238242ed8f71f5635b194",
-	"d617f0f0e609e90d814192ba2e5214293d485402cdf9f789cc78b05e8c374f18",
-	"e8d6f89dca9825aed8927b43187492a98ca8648db30f0ac709556d401a8ac2b959c81350fc64332c4c0deb559a286a72e65dbb462bd872f9b28c0728f353dc10",
+		"7667643670254b3530e80a17b16b22406e84efa6a4b5ceef3ebc877495fc6048",
+		"40b92969953acde756747005117e46eff6893d7132a8311ffb1062280367326b",
+		"797a02ffbe8ff2c94ed0e5d39ebdc7847adaa762a88238242ed8f71f5635b194",
+		"d617f0f0e609e90d814192ba2e5214293d485402cdf9f789cc78b05e8c374f18",
+		"e8d6f89dca9825aed8927b43187492a98ca8648db30f0ac709556d401a8ac2b959c81350fc64332c4c0deb559a286a72e65dbb462bd872f9b28c0728f353dc10",
 	}
 };
 
-static uint32_t executePRNG_TestVector(PRNG_Vector vector, uint32_t idx)
+static unsigned int executePRNG_TestVector(PRNG_Vector vector, unsigned int idx)
 {
-	uint32_t result = TC_PASS;
+	unsigned int result = TC_PASS;
 	uint8_t * entropy    = hexStringToBytes(vector.entropyString);
-	uint32_t  entropylen = strlen(vector.entropyString) / 2U;
+	unsigned int  entropylen = strlen(vector.entropyString) / 2U;
 
 	uint8_t * expected    = hexStringToBytes(vector.expectedString);
-	uint32_t  expectedlen = strlen(vector.expectedString) / 2U;
+	unsigned int  expectedlen = strlen(vector.expectedString) / 2U;
 
 	uint8_t * personalization   = 0;
-	uint32_t  plen              = 0U;
+	unsigned int  plen              = 0U;
 
 	uint8_t * additional_input1 = 0;
-	uint32_t  additionallen1    = 0U;
+	unsigned int  additionallen1    = 0U;
 
 	uint8_t * additional_input2 = 0;
-	uint32_t  additionallen2    = 0U;
+	unsigned int  additionallen2    = 0U;
 
 	uint8_t * output = (uint8_t *)malloc(expectedlen);
 
-	uint32_t i;
+	unsigned int i;
 	TCCtrPrng_t ctx;
 
-	if (0 != vector.personalizationString)
-	{
+	if (0 != vector.personalizationString) {
 		personalization = hexStringToBytes(vector.personalizationString);
 		plen = strlen(vector.personalizationString) / 2U;
 	}
 
-	if (0 != vector.additionalInputString1)
-	{
+	if (0 != vector.additionalInputString1) {
 		additional_input1 = hexStringToBytes(vector.additionalInputString1);
 		additionallen1 = strlen(vector.additionalInputString1) / 2U;
 	}
 
-	if (0 != vector.additionalInputString2)
-	{
+	if (0 != vector.additionalInputString2) {
 		additional_input2 = hexStringToBytes(vector.additionalInputString2);
 		additionallen2 = strlen(vector.additionalInputString2) / 2U;
 	}
@@ -296,10 +292,8 @@
 	(void)tc_ctr_prng_generate(&ctx, additional_input1, additionallen1, output, expectedlen);
 	(void)tc_ctr_prng_generate(&ctx, additional_input2, additionallen2, output, expectedlen);
 
-	for (i = 0U; i < expectedlen; i++)
-	{
-		if (output[i] != expected[i])
-		{
+	for (i = 0U; i < expectedlen; i++) {
+		if (output[i] != expected[i]) {
 			TC_ERROR("CTR PRNG test #%d failed\n", idx);
 			result = TC_FAIL;
 			break;
@@ -316,15 +310,15 @@
 	return result;
 }
 
-static int32_t test_reseed(void)
+static int test_reseed(void)
 {
-	int32_t result = TC_PASS;
+	int result = TC_PASS;
 	uint8_t entropy[32U] = {0U}; /* value not important */
 	uint8_t additional_input[32] = {0U};
 	uint8_t output[32];
 	TCCtrPrng_t ctx;
-	int32_t ret;
-	uint32_t i;
+	int ret;
+	unsigned int i;
 
 	(void)tc_ctr_prng_init(&ctx, entropy, sizeof entropy, 0, 0U);
 
@@ -332,16 +326,14 @@
 	ctx.reseedCount = 0x1000000000000ULL;
 
 	ret = tc_ctr_prng_generate(&ctx, 0, 0, output, sizeof output);
-	if (1 != ret)
-	{
+	if (1 != ret) {
 		result = TC_FAIL;
 		goto exitTest;
 	}
 
 	/* expect further attempts to fail due to reaching reseed threshold */
 	ret = tc_ctr_prng_generate(&ctx, 0, 0, output, sizeof output);
-	if (-1 != ret)
-	{
+	if (-1 != ret) {
 		result = TC_FAIL;
 		goto exitTest;
 	}
@@ -350,15 +342,13 @@
 	/* make entropy different from original value - not really important for the purpose of this test */
 	memset(entropy, 0xFF, sizeof entropy);
 	ret = tc_ctr_prng_reseed(&ctx, entropy, sizeof entropy, additional_input, sizeof additional_input);
-	if (1 != ret)
-	{
+	if (1 != ret) {
 		result = TC_FAIL;
 		goto exitTest;
 	}
 
 	ret = tc_ctr_prng_generate(&ctx, 0, 0, output, sizeof output);
-	if (1 != ret)
-	{
+	if (1 != ret) {
 		result = TC_FAIL;
 		goto exitTest;
 	}
@@ -366,13 +356,11 @@
 	/* confirm entropy and additional_input are being used correctly */
 	/* first, entropy only */
 	memset(&ctx, 0x0, sizeof ctx);
-	for (i = 0U; i < sizeof entropy; i++)
-	{
+	for (i = 0U; i < sizeof entropy; i++) {
 		entropy[i] = i;
 	}
 	ret = tc_ctr_prng_reseed(&ctx, entropy, sizeof entropy, 0, 0U);
-	if (1 != ret)
-	{
+	if (1 != ret) {
 		result = TC_FAIL;
 		goto exitTest;
 	}
@@ -380,10 +368,8 @@
 		uint8_t expectedV[] =
 			{0x7EU, 0xE3U, 0xA0U, 0xCBU, 0x6DU, 0x5CU, 0x4BU, 0xC2U,
 			 0x4BU, 0x7EU, 0x3CU, 0x48U, 0x88U, 0xC3U, 0x69U, 0x70U};
-		for (i = 0U; i < sizeof expectedV; i++)
-		{
-			if (ctx.V[i] != expectedV[i])
-			{
+		for (i = 0U; i < sizeof expectedV; i++) {
+			if (ctx.V[i] != expectedV[i]) {
 				result = TC_FAIL;
 				goto exitTest;
 			}
@@ -392,13 +378,11 @@
 
 	/* now, entropy and additional_input */
 	memset(&ctx, 0x0, sizeof ctx);
-	for (i = 0U; i < sizeof additional_input; i++)
-	{
+	for (i = 0U; i < sizeof additional_input; i++) {
 		additional_input[i] = i * 2U;
 	}
 	ret = tc_ctr_prng_reseed(&ctx, entropy, sizeof entropy, additional_input, sizeof additional_input);
-	if (1 != ret)
-	{
+	if (1 != ret) {
 		result = TC_FAIL;
 		goto exitTest;
 	}
@@ -406,10 +390,8 @@
 		uint8_t expectedV[] =
 			{0x5EU, 0xC1U, 0x84U, 0xEDU, 0x45U, 0x76U, 0x67U, 0xECU,
 			 0x7BU, 0x4CU, 0x08U, 0x7EU, 0xB0U, 0xF9U, 0x55U, 0x4EU};
-		for (i = 0U; i < sizeof expectedV; i++)
-		{
-			if (ctx.V[i] != expectedV[i])
-			{
+		for (i = 0U; i < sizeof expectedV; i++) {
+			if (ctx.V[i] != expectedV[i]) {
 				result = TC_FAIL;
 				goto exitTest;
 			}
@@ -417,17 +399,16 @@
 	}
 
 	exitTest:
-	if (TC_FAIL == result)
-	{
+	if (TC_FAIL == result) {
 		TC_ERROR("CTR PRNG reseed tests failed\n");
 	}
 	return result;
 }
 
-static int32_t test_uninstantiate(void)
+static int test_uninstantiate(void)
 {
-	uint32_t i;
-	int32_t result = TC_PASS;
+	unsigned int i;
+	int result = TC_PASS;
 	uint8_t entropy[32U] = {0U}; /* value not important */
 	TCCtrPrng_t ctx;
 
@@ -435,28 +416,23 @@
 
 	tc_ctr_prng_uninstantiate(&ctx);
 	/* show that state has been zeroised */
-	for (i = 0U; i < sizeof ctx.V; i++)
-	{
-		if (0U != ctx.V[i])
-		{
+	for (i = 0U; i < sizeof ctx.V; i++) {
+		if (0U != ctx.V[i]) {
 			TC_ERROR("CTR PRNG uninstantiate tests failed\n");
 			result = TC_FAIL;
 			break;
 		}
 	}
 
-	for (i = 0U; i < sizeof ctx.key.words / sizeof ctx.key.words[0]; i++)
-	{
-		if (0U != ctx.key.words[i])
-		{
+	for (i = 0U; i < sizeof ctx.key.words / sizeof ctx.key.words[0]; i++) {
+		if (0U != ctx.key.words[i]) {
 			TC_ERROR("CTR PRNG uninstantiate tests failed\n");
 			result = TC_FAIL;
 			break;
 		}
 	}
 
-	if (0U != ctx.reseedCount)
-	{
+	if (0U != ctx.reseedCount) {
 		TC_ERROR("CTR PRNG uninstantiate tests failed\n");
 		result = TC_FAIL;
 	}
@@ -464,10 +440,10 @@
 	return result;
 }
 
-static int32_t test_robustness(void)
+static int test_robustness(void)
 {
-	int32_t result = TC_PASS;
-	int32_t ret;
+	int result = TC_PASS;
+	int ret;
 	uint8_t entropy[32U] = {0U}; /* value not important */
 	uint8_t output[32];
 	TCCtrPrng_t ctx;
@@ -477,87 +453,75 @@
 	tc_ctr_prng_uninstantiate(0);
 
 	ret = tc_ctr_prng_generate(&ctx, 0, 0, 0, 0);
-	if (0 != ret)
-	{
+	if (0 != ret) {
 		result = TC_FAIL;
 		goto exitTest;
 	}
 
 	ret = tc_ctr_prng_generate(0, 0, 0, output, sizeof output);
-	if (0 != ret)
-	{
+	if (0 != ret) {
 		result = TC_FAIL;
 		goto exitTest;
 	}
 
 	ret = tc_ctr_prng_generate(0, 0, 0, 0, 0);
-	if (0 != ret)
-	{
+	if (0 != ret) {
 		result = TC_FAIL;
 		goto exitTest;
 	}
 
 	ret = tc_ctr_prng_reseed(&ctx, 0, 0, 0, 0);
-	if (0 != ret)
-	{
+	if (0 != ret) {
 		result = TC_FAIL;
 		goto exitTest;
 	}
 
 	/* too little entropy */
 	ret = tc_ctr_prng_reseed(&ctx, entropy, (sizeof entropy) - 1U, 0, 0);
-	if (0 != ret)
-	{
+	if (0 != ret) {
 		result = TC_FAIL;
 		goto exitTest;
 	}
 
 	ret = tc_ctr_prng_reseed(0, entropy, sizeof entropy, 0, 0);
-	if (0 != ret)
-	{
+	if (0 != ret) {
 		result = TC_FAIL;
 		goto exitTest;
 	}
 
 	ret = tc_ctr_prng_reseed(0, 0, 0, 0, 0);
-	if (0 != ret)
-	{
+	if (0 != ret) {
 		result = TC_FAIL;
 		goto exitTest;
 	}
 
 	ret = tc_ctr_prng_init(&ctx, 0, 0, 0, 0);
-	if (0 != ret)
-	{
+	if (0 != ret) {
 		result = TC_FAIL;
 		goto exitTest;
 	}
 
 	/* too little entropy */
 	ret = tc_ctr_prng_init(&ctx, entropy, (sizeof entropy) - 1U, 0, 0);
-	if (0 != ret)
-	{
+	if (0 != ret) {
 		result = TC_FAIL;
 		goto exitTest;
 	}
 
 	ret = tc_ctr_prng_init(0, entropy, sizeof entropy, 0, 0);
-	if (0 != ret)
-	{
+	if (0 != ret) {
 		result = TC_FAIL;
 		goto exitTest;
 	}
 
 	ret = tc_ctr_prng_init(0, 0, 0, 0, 0);
-	if (0 != ret)
-	{
+	if (0 != ret) {
 		result = TC_FAIL;
 		goto exitTest;
 	}
 
 	exitTest:
-	if (TC_FAIL == result)
-	{
+	if (TC_FAIL == result) {
 		TC_ERROR("CTR PRNG reseed tests failed\n");
 	}
 
@@ -570,30 +534,25 @@
  */
 int main(void)
 {
-	int32_t result = TC_PASS;
-	uint32_t i;
+	int result = TC_PASS;
+	unsigned int i;
 	TC_START("Performing CTR-PRNG tests:");
-	for (i = 0U; i < sizeof vectors / sizeof vectors[0]; i++)
-	{
+	for (i = 0U; i < sizeof vectors / sizeof vectors[0]; i++) {
 		result = executePRNG_TestVector(vectors[i], i);
-		if (TC_PASS != result)
-		{
+		if (TC_PASS != result) {
 			goto exitTest;
 		}
 	}
 
-	if (TC_PASS != test_reseed())
-	{
+	if (TC_PASS != test_reseed()) {
 		goto exitTest;
 	}
 
-	if (TC_PASS != test_uninstantiate())
-	{
+	if (TC_PASS != test_uninstantiate()) {
 		goto exitTest;
 	}
 
-	if (TC_PASS != test_robustness())
-	{
+	if (TC_PASS != test_robustness()) {
 		goto exitTest;
 	}
 
diff --git a/ext/tinycrypt/tests/test_ecc_dh.c b/ext/tinycrypt/tests/test_ecc_dh.c
index 545f771..5cfd737 100644
--- a/ext/tinycrypt/tests/test_ecc_dh.c
+++ b/ext/tinycrypt/tests/test_ecc_dh.c
@@ -1,7 +1,30 @@
-/* test_ecc_ecdh.c - TinyCrypt implementation of some EC-DH tests */
+/* test_ecc_dh.c - TinyCrypt implementation of some EC-DH tests */
+
+/* Copyright (c) 2014, Kenneth MacKay
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  * Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.*/
 
 /*
- *  Copyright (C) 2015 by Intel Corporation, All Rights Reserved.
+ *  Copyright (C) 2017 by Intel Corporation, All Rights Reserved.
  *
  *  Redistribution and use in source and binary forms, with or without
  *  modification, are permitted provided that the following conditions are met:
@@ -34,387 +57,465 @@
  */
 #include <tinycrypt/ecc.h>
 #include <tinycrypt/ecc_dh.h>
+#include <tinycrypt/ecc_platform_specific.h>
 #include <test_ecc_utils.h>
 #include <test_utils.h>
 #include <tinycrypt/constants.h>
 
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
 #include <fcntl.h>
 
-void ecdh_vectors(char **qx_vec,
-    char **qy_vec,
-    char **d_vec,
-    char **z_vec,
-    int tests,
-    int verbose) {
+int ecdh_vectors(char **qx_vec, char **qy_vec, char **d_vec, char **z_vec,
+		  int tests, int verbose)
+{
 
-  EccPoint Q;
-  uint32_t prv[NUM_ECC_DIGITS];
-  uint32_t z[NUM_ECC_DIGITS];
+	unsigned int pub[2*NUM_ECC_WORDS];
+	unsigned int prv[NUM_ECC_WORDS];
+	unsigned int z[NUM_ECC_WORDS];
+	unsigned int result = TC_PASS;
 
-  int rc;
-  uint32_t exp_z[NUM_ECC_DIGITS];
+	int rc;
+	unsigned int exp_z[NUM_ECC_WORDS];
 
-  for (int i=0; i<tests; i++) {
+	const struct uECC_Curve_t * curve = uECC_secp256r1();
 
-    string2scalar(Q.x, NUM_ECC_DIGITS, qx_vec[i]);
-    string2scalar(Q.y, NUM_ECC_DIGITS, qy_vec[i]);
-    string2scalar(exp_z, NUM_ECC_DIGITS, z_vec[i]);
-    string2scalar(prv, NUM_ECC_DIGITS, d_vec[i]);
+	for (int i = 0;  i < tests; i++) {
 
-    rc = ecdh_shared_secret(z, &Q, prv);
+		string2scalar(pub + NUM_ECC_WORDS, NUM_ECC_WORDS, qx_vec[i]);
+		string2scalar(pub, NUM_ECC_WORDS, qy_vec[i]);
+		string2scalar(exp_z, NUM_ECC_WORDS, z_vec[i]);
+	    	string2scalar(prv, NUM_ECC_WORDS, d_vec[i]);
 
-    if (rc == TC_CRYPTO_FAIL) {
-      printf("ECDH failure, exit.\n");
-      exit(-1);
-    }
-    check_ecc_result(i, "Z", exp_z, z, NUM_ECC_DIGITS, verbose);
-  }
+		uint8_t pub_bytes[2*NUM_ECC_BYTES];
+		uECC_vli_nativeToBytes(pub_bytes, 2*NUM_ECC_BYTES, pub);
+		uint8_t private_bytes[NUM_ECC_BYTES];
+		uECC_vli_nativeToBytes(private_bytes, NUM_ECC_BYTES, prv);
+		uint8_t z_bytes[NUM_ECC_BYTES];
+		uECC_vli_nativeToBytes(z_bytes, NUM_ECC_BYTES, exp_z);
+
+		rc = uECC_shared_secret(pub_bytes, private_bytes, z_bytes, curve);
+
+		if (rc == TC_CRYPTO_FAIL) {
+			TC_ERROR("ECDH failure, exit.\n");
+			result = TC_FAIL;
+			return result;;
+		}
+
+		uECC_vli_bytesToNative(z, z_bytes, NUM_ECC_BYTES);
+
+		result = check_ecc_result(i, "Z", exp_z, z, NUM_ECC_WORDS, verbose);
+		if (result == TC_FAIL) {
+		  return result;
+		}
+  	}
+	return result;
 }
 
-void cavp_ecdh(bool verbose) {
+int cavp_ecdh(bool verbose)
+{
+  unsigned int result = TC_PASS;
+	/*
+	 * P-256
+	 */
+	char *d[] = {
+		"7d7dc5f71eb29ddaf80d6214632eeae03d9058af1fb6d22ed80badb62bc1a534",
+		"38f65d6dce47676044d58ce5139582d568f64bb16098d179dbab07741dd5caf5",
+		"1accfaf1b97712b85a6f54b148985a1bdc4c9bec0bd258cad4b3d603f49f32c8",
+		"207c43a79bfee03db6f4b944f53d2fb76cc49ef1c9c4d34d51b6c65c4db6932d",
+		"59137e38152350b195c9718d39673d519838055ad908dd4757152fd8255c09bf",
+		"f5f8e0174610a661277979b58ce5c90fee6c9b3bb346a90a7196255e40b132ef",
+		"3b589af7db03459c23068b64f63f28d3c3c6bc25b5bf76ac05f35482888b5190",
+		"d8bf929a20ea7436b2461b541a11c80e61d826c0a4c9d322b31dd54e7f58b9c8",
+		"0f9883ba0ef32ee75ded0d8bda39a5146a29f1f2507b3bd458dbea0b2bb05b4d",
+		"2beedb04b05c6988f6a67500bb813faf2cae0d580c9253b6339e4a3337bb6c08",
+		"77c15dcf44610e41696bab758943eff1409333e4d5a11bbe72c8f6c395e9f848",
+		"42a83b985011d12303db1a800f2610f74aa71cdf19c67d54ce6c9ed951e9093e",
+		"ceed35507b5c93ead5989119b9ba342cfe38e6e638ba6eea343a55475de2800b",
+		"43e0e9d95af4dc36483cdd1968d2b7eeb8611fcce77f3a4e7d059ae43e509604",
+		"b2f3600df3368ef8a0bb85ab22f41fc0e5f4fdd54be8167a5c3cd4b08db04903",
+		"4002534307f8b62a9bf67ff641ddc60fef593b17c3341239e95bdb3e579bfdc8",
+		"4dfa12defc60319021b681b3ff84a10a511958c850939ed45635934ba4979147",
+		"1331f6d874a4ed3bc4a2c6e9c74331d3039796314beee3b7152fcdba5556304e",
+		"dd5e9f70ae740073ca0204df60763fb6036c45709bf4a7bb4e671412fad65da3",
+		"5ae026cfc060d55600717e55b8a12e116d1d0df34af831979057607c2d9c2f76",
+		"b601ac425d5dbf9e1735c5e2d5bdb79ca98b3d5be4a2cfd6f2273f150e064d9d",
+		"fefb1dda1845312b5fce6b81b2be205af2f3a274f5a212f66c0d9fc33d7ae535",
+		"334ae0c4693d23935a7e8e043ebbde21e168a7cba3fa507c9be41d7681e049ce",
+		"2c4bde40214fcc3bfc47d4cf434b629acbe9157f8fd0282540331de7942cf09d",
+		"85a268f9d7772f990c36b42b0a331adc92b5941de0b862d5d89a347cbf8faab0",
+  	};
 
-  /**
-   * P-256
-   */
-  char *d[] = {
-      "7d7dc5f71eb29ddaf80d6214632eeae03d9058af1fb6d22ed80badb62bc1a534",
-      "38f65d6dce47676044d58ce5139582d568f64bb16098d179dbab07741dd5caf5",
-      "1accfaf1b97712b85a6f54b148985a1bdc4c9bec0bd258cad4b3d603f49f32c8",
-      "207c43a79bfee03db6f4b944f53d2fb76cc49ef1c9c4d34d51b6c65c4db6932d",
-      "59137e38152350b195c9718d39673d519838055ad908dd4757152fd8255c09bf",
-      "f5f8e0174610a661277979b58ce5c90fee6c9b3bb346a90a7196255e40b132ef",
-      "3b589af7db03459c23068b64f63f28d3c3c6bc25b5bf76ac05f35482888b5190",
-      "d8bf929a20ea7436b2461b541a11c80e61d826c0a4c9d322b31dd54e7f58b9c8",
-      "0f9883ba0ef32ee75ded0d8bda39a5146a29f1f2507b3bd458dbea0b2bb05b4d",
-      "2beedb04b05c6988f6a67500bb813faf2cae0d580c9253b6339e4a3337bb6c08",
-      "77c15dcf44610e41696bab758943eff1409333e4d5a11bbe72c8f6c395e9f848",
-      "42a83b985011d12303db1a800f2610f74aa71cdf19c67d54ce6c9ed951e9093e",
-      "ceed35507b5c93ead5989119b9ba342cfe38e6e638ba6eea343a55475de2800b",
-      "43e0e9d95af4dc36483cdd1968d2b7eeb8611fcce77f3a4e7d059ae43e509604",
-      "b2f3600df3368ef8a0bb85ab22f41fc0e5f4fdd54be8167a5c3cd4b08db04903",
-      "4002534307f8b62a9bf67ff641ddc60fef593b17c3341239e95bdb3e579bfdc8",
-      "4dfa12defc60319021b681b3ff84a10a511958c850939ed45635934ba4979147",
-      "1331f6d874a4ed3bc4a2c6e9c74331d3039796314beee3b7152fcdba5556304e",
-      "dd5e9f70ae740073ca0204df60763fb6036c45709bf4a7bb4e671412fad65da3",
-      "5ae026cfc060d55600717e55b8a12e116d1d0df34af831979057607c2d9c2f76",
-      "b601ac425d5dbf9e1735c5e2d5bdb79ca98b3d5be4a2cfd6f2273f150e064d9d",
-      "fefb1dda1845312b5fce6b81b2be205af2f3a274f5a212f66c0d9fc33d7ae535",
-      "334ae0c4693d23935a7e8e043ebbde21e168a7cba3fa507c9be41d7681e049ce",
-      "2c4bde40214fcc3bfc47d4cf434b629acbe9157f8fd0282540331de7942cf09d",
-      "85a268f9d7772f990c36b42b0a331adc92b5941de0b862d5d89a347cbf8faab0",
-  };
+	char *x[] = {
+		"700c48f77f56584c5cc632ca65640db91b6bacce3a4df6b42ce7cc838833d287",
+		"809f04289c64348c01515eb03d5ce7ac1a8cb9498f5caa50197e58d43a86a7ae",
+		"a2339c12d4a03c33546de533268b4ad667debf458b464d77443636440ee7fec3",
+		"df3989b9fa55495719b3cf46dccd28b5153f7808191dd518eff0c3cff2b705ed",
+		"41192d2813e79561e6a1d6f53c8bc1a433a199c835e141b05a74a97b0faeb922",
+		"33e82092a0f1fb38f5649d5867fba28b503172b7035574bf8e5b7100a3052792",
+		"6a9e0c3f916e4e315c91147be571686d90464e8bf981d34a90b6353bca6eeba7",
+		"a9c0acade55c2a73ead1a86fb0a9713223c82475791cd0e210b046412ce224bb",
+		"94e94f16a98255fff2b9ac0c9598aac35487b3232d3231bd93b7db7df36f9eb9",
+		"e099bf2a4d557460b5544430bbf6da11004d127cb5d67f64ab07c94fcdf5274f",
+		"f75a5fe56bda34f3c1396296626ef012dc07e4825838778a645c8248cff01658",
+		"2db4540d50230756158abf61d9835712b6486c74312183ccefcaef2797b7674d",
+		"cd94fc9497e8990750309e9a8534fd114b0a6e54da89c4796101897041d14ecb",
+		"15b9e467af4d290c417402e040426fe4cf236bae72baa392ed89780dfccdb471",
+		"49c503ba6c4fa605182e186b5e81113f075bc11dcfd51c932fb21e951eee2fa1",
+		"19b38de39fdd2f70f7091631a4f75d1993740ba9429162c2a45312401636b29c",
+		"2c91c61f33adfe9311c942fdbff6ba47020feff416b7bb63cec13faf9b099954",
+		"a28a2edf58025668f724aaf83a50956b7ac1cfbbff79b08c3bf87dfd2828d767",
+		"a2ef857a081f9d6eb206a81c4cf78a802bdf598ae380c8886ecd85fdc1ed7644",
+		"ccd8a2d86bc92f2e01bce4d6922cf7fe1626aed044685e95e2eebd464505f01f",
+		"c188ffc8947f7301fb7b53e36746097c2134bf9cc981ba74b4e9c4361f595e4e",
+		"317e1020ff53fccef18bf47bb7f2dd7707fb7b7a7578e04f35b3beed222a0eb6",
+		"45fb02b2ceb9d7c79d9c2fa93e9c7967c2fa4df5789f9640b24264b1e524fcb1",
+		"a19ef7bff98ada781842fbfc51a47aff39b5935a1c7d9625c8d323d511c92de6",
+		"356c5a444c049a52fee0adeb7e5d82ae5aa83030bfff31bbf8ce2096cf161c4b",
+	};
 
-  char *x[] = {
-      "700c48f77f56584c5cc632ca65640db91b6bacce3a4df6b42ce7cc838833d287",
-      "809f04289c64348c01515eb03d5ce7ac1a8cb9498f5caa50197e58d43a86a7ae",
-      "a2339c12d4a03c33546de533268b4ad667debf458b464d77443636440ee7fec3",
-      "df3989b9fa55495719b3cf46dccd28b5153f7808191dd518eff0c3cff2b705ed",
-      "41192d2813e79561e6a1d6f53c8bc1a433a199c835e141b05a74a97b0faeb922",
-      "33e82092a0f1fb38f5649d5867fba28b503172b7035574bf8e5b7100a3052792",
-      "6a9e0c3f916e4e315c91147be571686d90464e8bf981d34a90b6353bca6eeba7",
-      "a9c0acade55c2a73ead1a86fb0a9713223c82475791cd0e210b046412ce224bb",
-      "94e94f16a98255fff2b9ac0c9598aac35487b3232d3231bd93b7db7df36f9eb9",
-      "e099bf2a4d557460b5544430bbf6da11004d127cb5d67f64ab07c94fcdf5274f",
-      "f75a5fe56bda34f3c1396296626ef012dc07e4825838778a645c8248cff01658",
-      "2db4540d50230756158abf61d9835712b6486c74312183ccefcaef2797b7674d",
-      "cd94fc9497e8990750309e9a8534fd114b0a6e54da89c4796101897041d14ecb",
-      "15b9e467af4d290c417402e040426fe4cf236bae72baa392ed89780dfccdb471",
-      "49c503ba6c4fa605182e186b5e81113f075bc11dcfd51c932fb21e951eee2fa1",
-      "19b38de39fdd2f70f7091631a4f75d1993740ba9429162c2a45312401636b29c",
-      "2c91c61f33adfe9311c942fdbff6ba47020feff416b7bb63cec13faf9b099954",
-      "a28a2edf58025668f724aaf83a50956b7ac1cfbbff79b08c3bf87dfd2828d767",
-      "a2ef857a081f9d6eb206a81c4cf78a802bdf598ae380c8886ecd85fdc1ed7644",
-      "ccd8a2d86bc92f2e01bce4d6922cf7fe1626aed044685e95e2eebd464505f01f",
-      "c188ffc8947f7301fb7b53e36746097c2134bf9cc981ba74b4e9c4361f595e4e",
-      "317e1020ff53fccef18bf47bb7f2dd7707fb7b7a7578e04f35b3beed222a0eb6",
-      "45fb02b2ceb9d7c79d9c2fa93e9c7967c2fa4df5789f9640b24264b1e524fcb1",
-      "a19ef7bff98ada781842fbfc51a47aff39b5935a1c7d9625c8d323d511c92de6",
-      "356c5a444c049a52fee0adeb7e5d82ae5aa83030bfff31bbf8ce2096cf161c4b",
-  };
+	char *y[] = {
+		"db71e509e3fd9b060ddb20ba5c51dcc5948d46fbf640dfe0441782cab85fa4ac",
+		"b29d84e811197f25eba8f5194092cb6ff440e26d4421011372461f579271cda3",
+		"ef48a3ab26e20220bcda2c1851076839dae88eae962869a497bf73cb66faf536",
+		"422294ff46003429d739a33206c8752552c8ba54a270defc06e221e0feaf6ac4",
+		"1af98cc45e98a7e041b01cf35f462b7562281351c8ebf3ffa02e33a0722a1328",
+		"f2cf6b601e0a05945e335550bf648d782f46186c772c0f20d3cd0d6b8ca14b2f",
+		"40f9bead39c2f2bcc2602f75b8a73ec7bdffcbcead159d0174c6c4d3c5357f05",
+		"f6de0afa20e93e078467c053d241903edad734c6b403ba758c2b5ff04c9d4229",
+		"d8049a43579cfa90b8093a94416cbefbf93386f15b3f6e190b6e3455fedfe69a",
+		"d9c50dbe70d714edb5e221f4e020610eeb6270517e688ca64fb0e98c7ef8c1c5",
+		"33bbdf1b1772d8059df568b061f3f1122f28a8d819167c97be448e3dc3fb0c3c",
+		"62f57f314e3f3495dc4e099012f5e0ba71770f9660a1eada54104cdfde77243e",
+		"c3def4b5fe04faee0a11932229fff563637bfdee0e79c6deeaf449f85401c5c4",
+		"cdf4e9170fb904302b8fd93a820ba8cc7ed4efd3a6f2d6b05b80b2ff2aee4e77",
+		"8af706ff0922d87b3f0c5e4e31d8b259aeb260a9269643ed520a13bb25da5924",
+		"09aed7232b28e060941741b6828bcdfa2bc49cc844f3773611504f82a390a5ae",
+		"6cab31b06419e5221fca014fb84ec870622a1b12bab5ae43682aa7ea73ea08d0",
+		"dfa7bfffd4c766b86abeaf5c99b6e50cb9ccc9d9d00b7ffc7804b0491b67bc03",
+		"563c4c20419f07bc17d0539fade1855e34839515b892c0f5d26561f97fa04d1a",
+		"e9ddd583a9635a667777d5b8a8f31b0f79eba12c75023410b54b8567dddc0f38",
+		"bf7d2f2056e72421ef393f0c0f2b0e00130e3cac4abbcc00286168e85ec55051",
+		"09420ce5a19d77c6fe1ee587e6a49fbaf8f280e8df033d75403302e5a27db2ae",
+		"5c6e8ecf1f7d3023893b7b1ca1e4d178972ee2a230757ddc564ffe37f5c5a321",
+		"e9c184df75c955e02e02e400ffe45f78f339e1afe6d056fb3245f4700ce606ef",
+		"57d128de8b2a57a094d1a001e572173f96e8866ae352bf29cddaf92fc85b2f92",
+	};
 
-  char *y[] = {
-      "db71e509e3fd9b060ddb20ba5c51dcc5948d46fbf640dfe0441782cab85fa4ac",
-      "b29d84e811197f25eba8f5194092cb6ff440e26d4421011372461f579271cda3",
-      "ef48a3ab26e20220bcda2c1851076839dae88eae962869a497bf73cb66faf536",
-      "422294ff46003429d739a33206c8752552c8ba54a270defc06e221e0feaf6ac4",
-      "1af98cc45e98a7e041b01cf35f462b7562281351c8ebf3ffa02e33a0722a1328",
-      "f2cf6b601e0a05945e335550bf648d782f46186c772c0f20d3cd0d6b8ca14b2f",
-      "40f9bead39c2f2bcc2602f75b8a73ec7bdffcbcead159d0174c6c4d3c5357f05",
-      "f6de0afa20e93e078467c053d241903edad734c6b403ba758c2b5ff04c9d4229",
-      "d8049a43579cfa90b8093a94416cbefbf93386f15b3f6e190b6e3455fedfe69a",
-      "d9c50dbe70d714edb5e221f4e020610eeb6270517e688ca64fb0e98c7ef8c1c5",
-      "33bbdf1b1772d8059df568b061f3f1122f28a8d819167c97be448e3dc3fb0c3c",
-      "62f57f314e3f3495dc4e099012f5e0ba71770f9660a1eada54104cdfde77243e",
-      "c3def4b5fe04faee0a11932229fff563637bfdee0e79c6deeaf449f85401c5c4",
-      "cdf4e9170fb904302b8fd93a820ba8cc7ed4efd3a6f2d6b05b80b2ff2aee4e77",
-      "8af706ff0922d87b3f0c5e4e31d8b259aeb260a9269643ed520a13bb25da5924",
-      "09aed7232b28e060941741b6828bcdfa2bc49cc844f3773611504f82a390a5ae",
-      "6cab31b06419e5221fca014fb84ec870622a1b12bab5ae43682aa7ea73ea08d0",
-      "dfa7bfffd4c766b86abeaf5c99b6e50cb9ccc9d9d00b7ffc7804b0491b67bc03",
-      "563c4c20419f07bc17d0539fade1855e34839515b892c0f5d26561f97fa04d1a",
-      "e9ddd583a9635a667777d5b8a8f31b0f79eba12c75023410b54b8567dddc0f38",
-      "bf7d2f2056e72421ef393f0c0f2b0e00130e3cac4abbcc00286168e85ec55051",
-      "09420ce5a19d77c6fe1ee587e6a49fbaf8f280e8df033d75403302e5a27db2ae",
-      "5c6e8ecf1f7d3023893b7b1ca1e4d178972ee2a230757ddc564ffe37f5c5a321",
-      "e9c184df75c955e02e02e400ffe45f78f339e1afe6d056fb3245f4700ce606ef",
-      "57d128de8b2a57a094d1a001e572173f96e8866ae352bf29cddaf92fc85b2f92",
-  };
+	char *Z[] = {
+		"46fc62106420ff012e54a434fbdd2d25ccc5852060561e68040dd7778997bd7b",
+		"057d636096cb80b67a8c038c890e887d1adfa4195e9b3ce241c8a778c59cda67",
+		"2d457b78b4614132477618a5b077965ec90730a8c81a1c75d6d4ec68005d67ec",
+		"96441259534b80f6aee3d287a6bb17b5094dd4277d9e294f8fe73e48bf2a0024",
+		"19d44c8d63e8e8dd12c22a87b8cd4ece27acdde04dbf47f7f27537a6999a8e62",
+		"664e45d5bba4ac931cd65d52017e4be9b19a515f669bea4703542a2c525cd3d3",
+		"ca342daa50dc09d61be7c196c85e60a80c5cb04931746820be548cdde055679d",
+		"35aa9b52536a461bfde4e85fc756be928c7de97923f0416c7a3ac8f88b3d4489",
+		"605c16178a9bc875dcbff54d63fe00df699c03e8a888e9e94dfbab90b25f39b4",
+		"f96e40a1b72840854bb62bc13c40cc2795e373d4e715980b261476835a092e0b",
+		"8388fa79c4babdca02a8e8a34f9e43554976e420a4ad273c81b26e4228e9d3a3",
+		"72877cea33ccc4715038d4bcbdfe0e43f42a9e2c0c3b017fc2370f4b9acbda4a",
+		"e4e7408d85ff0e0e9c838003f28cdbd5247cdce31f32f62494b70e5f1bc36307",
+		"ed56bcf695b734142c24ecb1fc1bb64d08f175eb243a31f37b3d9bb4407f3b96",
+		"bc5c7055089fc9d6c89f83c1ea1ada879d9934b2ea28fcf4e4a7e984b28ad2cf",
+		"9a4e8e657f6b0e097f47954a63c75d74fcba71a30d83651e3e5a91aa7ccd8343",
+		"3ca1fc7ad858fb1a6aba232542f3e2a749ffc7203a2374a3f3d3267f1fc97b78",
+		"1aaabe7ee6e4a6fa732291202433a237df1b49bc53866bfbe00db96a0f58224f",
+		"430e6a4fba4449d700d2733e557f66a3bf3d50517c1271b1ddae1161b7ac798c",
+		"1ce9e6740529499f98d1f1d71329147a33df1d05e4765b539b11cf615d6974d3",
+		"4690e3743c07d643f1bc183636ab2a9cb936a60a802113c49bb1b3f2d0661660",
+		"30c2261bd0004e61feda2c16aa5e21ffa8d7e7f7dbf6ec379a43b48e4b36aeb0",
+		"2adae4a138a239dcd93c243a3803c3e4cf96e37fe14e6a9b717be9599959b11c",
+		"2e277ec30f5ea07d6ce513149b9479b96e07f4b6913b1b5c11305c1444a1bc0b",
+		"1e51373bd2c6044c129c436e742a55be2a668a85ae08441b6756445df5493857",
+	};
 
-  char *Z[] = {
-      "46fc62106420ff012e54a434fbdd2d25ccc5852060561e68040dd7778997bd7b",
-      "057d636096cb80b67a8c038c890e887d1adfa4195e9b3ce241c8a778c59cda67",
-      "2d457b78b4614132477618a5b077965ec90730a8c81a1c75d6d4ec68005d67ec",
-      "96441259534b80f6aee3d287a6bb17b5094dd4277d9e294f8fe73e48bf2a0024",
-      "19d44c8d63e8e8dd12c22a87b8cd4ece27acdde04dbf47f7f27537a6999a8e62",
-      "664e45d5bba4ac931cd65d52017e4be9b19a515f669bea4703542a2c525cd3d3",
-      "ca342daa50dc09d61be7c196c85e60a80c5cb04931746820be548cdde055679d",
-      "35aa9b52536a461bfde4e85fc756be928c7de97923f0416c7a3ac8f88b3d4489",
-      "605c16178a9bc875dcbff54d63fe00df699c03e8a888e9e94dfbab90b25f39b4",
-      "f96e40a1b72840854bb62bc13c40cc2795e373d4e715980b261476835a092e0b",
-      "8388fa79c4babdca02a8e8a34f9e43554976e420a4ad273c81b26e4228e9d3a3",
-      "72877cea33ccc4715038d4bcbdfe0e43f42a9e2c0c3b017fc2370f4b9acbda4a",
-      "e4e7408d85ff0e0e9c838003f28cdbd5247cdce31f32f62494b70e5f1bc36307",
-      "ed56bcf695b734142c24ecb1fc1bb64d08f175eb243a31f37b3d9bb4407f3b96",
-      "bc5c7055089fc9d6c89f83c1ea1ada879d9934b2ea28fcf4e4a7e984b28ad2cf",
-      "9a4e8e657f6b0e097f47954a63c75d74fcba71a30d83651e3e5a91aa7ccd8343",
-      "3ca1fc7ad858fb1a6aba232542f3e2a749ffc7203a2374a3f3d3267f1fc97b78",
-      "1aaabe7ee6e4a6fa732291202433a237df1b49bc53866bfbe00db96a0f58224f",
-      "430e6a4fba4449d700d2733e557f66a3bf3d50517c1271b1ddae1161b7ac798c",
-      "1ce9e6740529499f98d1f1d71329147a33df1d05e4765b539b11cf615d6974d3",
-      "4690e3743c07d643f1bc183636ab2a9cb936a60a802113c49bb1b3f2d0661660",
-      "30c2261bd0004e61feda2c16aa5e21ffa8d7e7f7dbf6ec379a43b48e4b36aeb0",
-      "2adae4a138a239dcd93c243a3803c3e4cf96e37fe14e6a9b717be9599959b11c",
-      "2e277ec30f5ea07d6ce513149b9479b96e07f4b6913b1b5c11305c1444a1bc0b",
-      "1e51373bd2c6044c129c436e742a55be2a668a85ae08441b6756445df5493857",
-  };
+	TC_PRINT("Test #1: ECDH");
+	TC_PRINT("NIST-p256\n");
 
-  printf("Test #1: ECDH");
-  printf("NIST-p256\n");
+	result = ecdh_vectors(x, y, d, Z, 25, verbose);
+	if(result == TC_FAIL) {
+	     goto exitTest1;
+	}
 
-  ecdh_vectors(x, y, d, Z, 25, verbose);
+ exitTest1:
+        TC_END_RESULT(result);
+        return result;
 }
 
-void cavp_keygen(bool verbose) {
+int cavp_keygen(bool verbose)
+{
+  unsigned int result = TC_PASS; 
+	/*
+	 * [P-256, B.4.2 Key Pair Generation by Testing Candidates]
+	 */
+	char *d[] = {
+		"c9806898a0334916c860748880a541f093b579a9b1f32934d86c363c39800357",
+		"710735c8388f48c684a97bd66751cc5f5a122d6b9a96a2dbe73662f78217446d",
+		"78d5d8b7b3e2c16b3e37e7e63becd8ceff61e2ce618757f514620ada8a11f6e4",
+		"2a61a0703860585fe17420c244e1de5a6ac8c25146b208ef88ad51ae34c8cb8c",
+		"01b965b45ff386f28c121c077f1d7b2710acc6b0cb58d8662d549391dcf5a883",
+		"fac92c13d374c53a085376fe4101618e1e181b5a63816a84a0648f3bdc24e519",
+		"f257a192dde44227b3568008ff73bcf599a5c45b32ab523b5b21ca582fef5a0a",
+		"add67e57c42a3d28708f0235eb86885a4ea68e0d8cfd76eb46134c596522abfd",
+		"4494860fd2c805c5c0d277e58f802cff6d731f76314eb1554142a637a9bc5538",
+		"d40b07b1ea7b86d4709ef9dc634c61229feb71abd63dc7fc85ef46711a87b210",
+	};
 
-  /*
-   * [P-256, B.4.2 Key Pair Generation by Testing Candidates]
-   */
-  char *d[] = {
-      "c9806898a0334916c860748880a541f093b579a9b1f32934d86c363c39800357",
-      "710735c8388f48c684a97bd66751cc5f5a122d6b9a96a2dbe73662f78217446d",
-      "78d5d8b7b3e2c16b3e37e7e63becd8ceff61e2ce618757f514620ada8a11f6e4",
-      "2a61a0703860585fe17420c244e1de5a6ac8c25146b208ef88ad51ae34c8cb8c",
-      "01b965b45ff386f28c121c077f1d7b2710acc6b0cb58d8662d549391dcf5a883",
-      "fac92c13d374c53a085376fe4101618e1e181b5a63816a84a0648f3bdc24e519",
-      "f257a192dde44227b3568008ff73bcf599a5c45b32ab523b5b21ca582fef5a0a",
-      "add67e57c42a3d28708f0235eb86885a4ea68e0d8cfd76eb46134c596522abfd",
-      "4494860fd2c805c5c0d277e58f802cff6d731f76314eb1554142a637a9bc5538",
-      "d40b07b1ea7b86d4709ef9dc634c61229feb71abd63dc7fc85ef46711a87b210",
-  };
+	char *x[] = {
+		"d0720dc691aa80096ba32fed1cb97c2b620690d06de0317b8618d5ce65eb728f",
+		"f6836a8add91cb182d8d258dda6680690eb724a66dc3bb60d2322565c39e4ab9",
+		"76711126cbb2af4f6a5fe5665dad4c88d27b6cb018879e03e54f779f203a854e",
+		"e1aa7196ceeac088aaddeeba037abb18f67e1b55c0a5c4e71ec70ad666fcddc8",
+		"1f038c5422e88eec9e88b815e8f6b3e50852333fc423134348fc7d79ef8e8a10",
+		"7258f2ab96fc84ef6ccb33e308cd392d8b568ea635730ceb4ebd72fa870583b9",
+		"d2e01411817b5512b79bbbe14d606040a4c90deb09e827d25b9f2fc068997872",
+		"55bed2d9c029b7f230bde934c7124ed52b1330856f13cbac65a746f9175f85d7",
+		"5190277a0c14d8a3d289292f8a544ce6ea9183200e51aec08440e0c1a463a4e4",
+		"fbcea7c2827e0e8085d7707b23a3728823ea6f4878b24747fb4fd2842d406c73",
+	};
 
-  char *x[] = {
-      "d0720dc691aa80096ba32fed1cb97c2b620690d06de0317b8618d5ce65eb728f",
-      "f6836a8add91cb182d8d258dda6680690eb724a66dc3bb60d2322565c39e4ab9",
-      "76711126cbb2af4f6a5fe5665dad4c88d27b6cb018879e03e54f779f203a854e",
-      "e1aa7196ceeac088aaddeeba037abb18f67e1b55c0a5c4e71ec70ad666fcddc8",
-      "1f038c5422e88eec9e88b815e8f6b3e50852333fc423134348fc7d79ef8e8a10",
-      "7258f2ab96fc84ef6ccb33e308cd392d8b568ea635730ceb4ebd72fa870583b9",
-      "d2e01411817b5512b79bbbe14d606040a4c90deb09e827d25b9f2fc068997872",
-      "55bed2d9c029b7f230bde934c7124ed52b1330856f13cbac65a746f9175f85d7",
-      "5190277a0c14d8a3d289292f8a544ce6ea9183200e51aec08440e0c1a463a4e4",
-      "fbcea7c2827e0e8085d7707b23a3728823ea6f4878b24747fb4fd2842d406c73",
-  };
+	char *y[] = {
+		"9681b517b1cda17d0d83d335d9c4a8a9a9b0b1b3c7106d8f3c72bc5093dc275f",
+		"1f837aa32864870cb8e8d0ac2ff31f824e7beddc4bb7ad72c173ad974b289dc2",
+		"a26df39960ab5248fd3620fd018398e788bd89a3cea509b352452b69811e6856",
+		"d7d35bdce6dedc5de98a7ecb27a9cd066a08f586a733b59f5a2cdb54f971d5c8",
+		"43a047cb20e94b4ffb361ef68952b004c0700b2962e0c0635a70269bc789b849",
+		"489807ca55bdc29ca5c8fe69b94f227b0345cccdbe89975e75d385cc2f6bb1e2",
+		"503f138f8bab1df2c4507ff663a1fdf7f710e7adb8e7841eaa902703e314e793",
+		"32805e311d583b4e007c40668185e85323948e21912b6b0d2cda8557389ae7b0",
+		"ecd98514821bd5aaf3419ab79b71780569470e4fed3da3c1353b28fe137f36eb",
+		"2393c85f1f710c5afc115a39ba7e18abe03f19c9d4bb3d47d19468b818efa535",
+	};
 
-  char *y[] = {
-      "9681b517b1cda17d0d83d335d9c4a8a9a9b0b1b3c7106d8f3c72bc5093dc275f",
-      "1f837aa32864870cb8e8d0ac2ff31f824e7beddc4bb7ad72c173ad974b289dc2",
-      "a26df39960ab5248fd3620fd018398e788bd89a3cea509b352452b69811e6856",
-      "d7d35bdce6dedc5de98a7ecb27a9cd066a08f586a733b59f5a2cdb54f971d5c8",
-      "43a047cb20e94b4ffb361ef68952b004c0700b2962e0c0635a70269bc789b849",
-      "489807ca55bdc29ca5c8fe69b94f227b0345cccdbe89975e75d385cc2f6bb1e2",
-      "503f138f8bab1df2c4507ff663a1fdf7f710e7adb8e7841eaa902703e314e793",
-      "32805e311d583b4e007c40668185e85323948e21912b6b0d2cda8557389ae7b0",
-      "ecd98514821bd5aaf3419ab79b71780569470e4fed3da3c1353b28fe137f36eb",
-      "2393c85f1f710c5afc115a39ba7e18abe03f19c9d4bb3d47d19468b818efa535",
-  };
+	TC_PRINT("Test #2: ECC KeyGen ");
+	TC_PRINT("NIST-p256\n");
 
-  printf("Test #2: ECC KeyGen ");
-  printf("NIST-p256\n");
+ 	result = keygen_vectors(d, x, y, 10, verbose);
+	if(result == TC_FAIL) {
+	     goto exitTest1;
+	}
 
-  keygen_vectors(d, x, y, 10, verbose);
+ exitTest1:
+        TC_END_RESULT(result);
+        return result;
 }
 
-
 /* Test ecc_make_keys, and also as keygen part of other tests */
-void pkv_vectors(char **qx_vec,
-    char **qy_vec,
-    char **res_vec,
-    int tests,
-    bool verbose) {
+int pkv_vectors(char **qx_vec, char **qy_vec, char **res_vec, int tests, 
+		 bool verbose)
+{
 
-  EccPoint pub;
-  int rc;
-  int exp_rc;
-  char tmp;
+	unsigned int pub[2 * NUM_ECC_WORDS];
+	uint8_t _public[2 * NUM_ECC_BYTES];
+	int rc;
+	int exp_rc;
+	char tmp;
+	unsigned int result = TC_PASS;
+	const struct uECC_Curve_t * curve = uECC_secp256r1();
 
-  for (int i=0; i<tests; i++) {
+	for (int i = 0; i < tests; i++)  {
 
-    if (2 != sscanf(res_vec[i], "%c (%d ", &tmp, &exp_rc)) {
-      printf("Error: failed to parse CAVP response.\n");
-      exit(-1);
-    }
+		if (2 != sscanf(res_vec[i], "%c (%d ", &tmp, &exp_rc)) {
+			TC_ERROR("Error: failed to parse CAVP response.\n");
+			result = TC_FAIL;
+			goto exitTest1;
+		}
 
-    if (strlen(qx_vec[i]) > 2*NUM_ECC_BYTES ||
-        strlen(qy_vec[i]) > 2*NUM_ECC_BYTES) {
-      // invalid input to ECC digit conversion (string2native())
-      rc = -2;
-    } else {
-      string2scalar(pub.x, NUM_ECC_DIGITS, qx_vec[i]);
-      string2scalar(pub.y, NUM_ECC_DIGITS, qy_vec[i]);
-      rc = ecc_valid_public_key(&pub);
-    }
+	if (strlen(qx_vec[i]) > 2 * NUM_ECC_BYTES ||
+		strlen(qy_vec[i]) > 2 * NUM_ECC_BYTES) {
+		/* invalid input to ECC digit conversion (string2native()) */
+		rc = -2;
+	} else {
+		string2scalar(pub, NUM_ECC_WORDS, qx_vec[i]);
+		string2scalar(pub + NUM_ECC_WORDS, NUM_ECC_WORDS, qy_vec[i]);
 
-    /*
-     * map to CAVP error codes
-     *  0 => 0 - success
-     * -1 => ? - (x,y) = (0,0) (not covered)
-     * -2 => 1 - out of bounds (pubverify or ecc import)
-     * -3 => 2 - not on curve
-     */
+		uECC_vli_nativeToBytes(_public, NUM_ECC_BYTES, pub);
+		uECC_vli_nativeToBytes(_public + NUM_ECC_BYTES, NUM_ECC_BYTES, pub+NUM_ECC_WORDS);
 
-    if (rc == -3) rc = 2;
-    if (rc == -2) rc = 1;
+		rc = uECC_valid_public_key(_public, curve);
+	}
 
-    check_code(i, res_vec[i], exp_rc, rc, verbose);
-  }
-}
+	/*
+	 * map to CAVP error codes
+ 	 *  0 => 0 - success
+	 * -1 => ? - (x,y) = (0,0) (not covered)
+	 * -2 => 1 - out of bounds (pubverify or ecc import)
+	 * -3 => 2 - not on curve
+	 * -4 => ? - public key is the group generator
+	 */
 
-void cavp_pkv(bool verbose) {
+	if (rc == -3) rc = 2;
+	if (rc == -2) rc = 1;
 
-  /*
-   * [P-256]
-   */
-  char *x[] = {
-      "e0f7449c5588f24492c338f2bc8f7865f755b958d48edb0f2d0056e50c3fd5b7",
-      "d17c446237d9df87266ba3a91ff27f45abfdcb77bfd83536e92903efb861a9a9",
-      "17875397ae87369365656d490e8ce956911bd97607f2aff41b56f6f3a61989826",
-      "f2d1c0dc0852c3d8a2a2500a23a44813ccce1ac4e58444175b440469ffc12273",
-      "10b0ca230fff7c04768f4b3d5c75fa9f6c539bea644dffbec5dc796a213061b58",
-      "2c1052f25360a15062d204a056274e93cbe8fc4c4e9b9561134ad5c15ce525da",
-      "a40d077a87dae157d93dcccf3fe3aca9c6479a75aa2669509d2ef05c7de6782f",
-      "2633d398a3807b1895548adbb0ea2495ef4b930f91054891030817df87d4ac0a",
-      "14bf57f76c260b51ec6bbc72dbd49f02a56eaed070b774dc4bad75a54653c3d56",
-      "2fa74931ae816b426f484180e517f5050c92decfc8daf756cd91f54d51b302f1",
-      "f8c6dd3181a76aa0e36c2790bba47041acbe7b1e473ff71eee39a824dc595ff0",
-      "7a81a7e0b015252928d8b36e4ca37e92fdc328eb25c774b4f872693028c4be38",
-  };
-
-  char *y[] = {
-      "86d7e9255d0f4b6f44fa2cd6f8ba3c0aa828321d6d8cc430ca6284ce1d5b43a0",
-      "1eabb6a349ce2cd447d777b6739c5fc066add2002d2029052c408d0701066231c",
-      "980a3c4f61b9692633fbba5ef04c9cb546dd05cdec9fa8428b8849670e2fba92",
-      "32bfe992831b305d8c37b9672df5d29fcb5c29b4a40534683e3ace23d24647dd",
-      "f5edf37c11052b75f771b7f9fa050e353e464221fec916684ed45b6fead38205",
-      "ced9783713a8a2a09eff366987639c625753295d9a85d0f5325e32dedbcada0b",
-      "503d86b87d743ba20804fd7e7884aa017414a7b5b5963e0d46e3a9611419ddf3",
-      "d6b2f738e3873cc8364a2d364038ce7d0798bb092e3dd77cbdae7c263ba618d2",
-      "7a231a23bf8b3aa31d9600d888a0678677a30e573decd3dc56b33f365cc11236",
-      "5b994346137988c58c14ae2152ac2f6ad96d97decb33099bd8a0210114cd1141",
-      "9c965f227f281b3072b95b8daf29e88b35284f3574462e268e529bbdc50e9e52",
-      "08862f7335147261e7b1c3d055f9a316e4cab7daf99cc09d1c647f5dd6e7d5bb",
-  };
-
-  char *Result[] = {
-      "P (0 )",                          "F (1 - Q_x or Q_y out of range)",
-      "F (1 - Q_x or Q_y out of range)", "F (2 - Point not on curve)",
-      "F (1 - Q_x or Q_y out of range)", "P (0 )",
-      "F (2 - Point not on curve)",      "P (0 )",
-      "F (1 - Q_x or Q_y out of range)", "P (0 )",
-      "F (2 - Point not on curve)",      "F (2 - Point not on curve)",
-  };
-
-  printf("Test #3: PubKeyVerify ");
-  printf("NIST-p256-SHA2-256\n");
-
-  pkv_vectors(x, y, Result, 12, verbose);
-}
-
-int randfd;
-
-void montecarlo_ecdh(uint32_t num, bool verbose) {
-
-  EccPoint l_Q1, l_Q2; /* public keys */
-  uint32_t l_random1[2 * NUM_ECC_DIGITS];
-  uint32_t l_random2[2 * NUM_ECC_DIGITS];
-  uint32_t l_secret1[NUM_ECC_DIGITS];
-  uint32_t l_secret2[NUM_ECC_DIGITS];
-
-  uint32_t l_shared1[NUM_ECC_DIGITS];
-  uint32_t l_shared2[NUM_ECC_DIGITS];
-
-  randfd = open("/dev/urandom", O_RDONLY);
-  if(randfd == -1) {
-    printf("No access to urandom\n");
-    exit(-1);
+	result = check_code(i, res_vec[i], exp_rc, rc, verbose);
+	if(result == TC_FAIL) {
+	     goto exitTest1;
+	}
   }
 
-  printf("Test #4: Monte Carlo (Randomized EC-DH key-exchange) ");
-  printf("NIST-p256\n");
-
-  for(uint32_t i=0; i<num; ++i) {
-    if (verbose) {
-      fflush(stdout);
-      printf(".");
-    }
-    getRandomBytes((char *)l_random1, 2 * NUM_ECC_DIGITS * sizeof(uint32_t));
-    getRandomBytes((char *)l_random2, 2 * NUM_ECC_DIGITS * sizeof(uint32_t));
-
-    ecc_make_key(&l_Q1, l_secret1, l_random1);
-    ecc_make_key(&l_Q2, l_secret2, l_random2);
-
-    if(!ecdh_shared_secret(l_shared1, &l_Q1, l_secret2)) {
-      printf("shared_secret() failed (1)\n");
-      exit(-1);
-    }
-
-    if(!ecdh_shared_secret(l_shared2, &l_Q2, l_secret1)) {
-      printf("shared_secret() failed (2)\n");
-      exit(-1);
-    }
-
-    if(memcmp(l_shared1, l_shared2, sizeof(l_shared1)) != 0) {
-      printf("Shared secrets are not identical!\n");
-      printf("Shared secret 1 = ");
-      vli_print(l_shared1, NUM_ECC_DIGITS);
-      printf("\n");
-      printf("Shared secret 2 = ");
-      vli_print(l_shared2, NUM_ECC_DIGITS);
-      printf("\n");
-      printf("Private key 1 = ");
-      vli_print(l_secret1, NUM_ECC_DIGITS);
-      printf("\n");
-      printf("Private key 2 = ");
-      vli_print(l_secret2, NUM_ECC_DIGITS);
-      printf("\n");
-    }
-  }
-  printf("\n");
+ exitTest1:
+        TC_END_RESULT(result);
+        return result;
 }
 
-int main() {
+int cavp_pkv(bool verbose)
+{
+	/*
+	* [P-256]
+	*/
+	char *x[] = {
+		"e0f7449c5588f24492c338f2bc8f7865f755b958d48edb0f2d0056e50c3fd5b7",
+		"d17c446237d9df87266ba3a91ff27f45abfdcb77bfd83536e92903efb861a9a9",
+		"17875397ae87369365656d490e8ce956911bd97607f2aff41b56f6f3a61989826",
+		"f2d1c0dc0852c3d8a2a2500a23a44813ccce1ac4e58444175b440469ffc12273",
+		"10b0ca230fff7c04768f4b3d5c75fa9f6c539bea644dffbec5dc796a213061b58",
+		"2c1052f25360a15062d204a056274e93cbe8fc4c4e9b9561134ad5c15ce525da",
+		"a40d077a87dae157d93dcccf3fe3aca9c6479a75aa2669509d2ef05c7de6782f",
+		"2633d398a3807b1895548adbb0ea2495ef4b930f91054891030817df87d4ac0a",
+		"14bf57f76c260b51ec6bbc72dbd49f02a56eaed070b774dc4bad75a54653c3d56",
+		"2fa74931ae816b426f484180e517f5050c92decfc8daf756cd91f54d51b302f1",
+		"f8c6dd3181a76aa0e36c2790bba47041acbe7b1e473ff71eee39a824dc595ff0",
+		"7a81a7e0b015252928d8b36e4ca37e92fdc328eb25c774b4f872693028c4be38",
+	};
 
-  bool verbose = true;
+	char *y[] = {
+		"86d7e9255d0f4b6f44fa2cd6f8ba3c0aa828321d6d8cc430ca6284ce1d5b43a0",
+		"1eabb6a349ce2cd447d777b6739c5fc066add2002d2029052c408d0701066231c",
+		"980a3c4f61b9692633fbba5ef04c9cb546dd05cdec9fa8428b8849670e2fba92",
+		"32bfe992831b305d8c37b9672df5d29fcb5c29b4a40534683e3ace23d24647dd",
+		"f5edf37c11052b75f771b7f9fa050e353e464221fec916684ed45b6fead38205",
+		"ced9783713a8a2a09eff366987639c625753295d9a85d0f5325e32dedbcada0b",
+		"503d86b87d743ba20804fd7e7884aa017414a7b5b5963e0d46e3a9611419ddf3",
+		"d6b2f738e3873cc8364a2d364038ce7d0798bb092e3dd77cbdae7c263ba618d2",
+		"7a231a23bf8b3aa31d9600d888a0678677a30e573decd3dc56b33f365cc11236",
+		"5b994346137988c58c14ae2152ac2f6ad96d97decb33099bd8a0210114cd1141",
+		"9c965f227f281b3072b95b8daf29e88b35284f3574462e268e529bbdc50e9e52",
+		"08862f7335147261e7b1c3d055f9a316e4cab7daf99cc09d1c647f5dd6e7d5bb",
+	};
 
-  cavp_ecdh(verbose);
-  cavp_keygen(verbose);
-  cavp_pkv(verbose);
-  montecarlo_ecdh(10, verbose);
+	char *Result[] = {
+		"P (0 )",                          "F (1 - Q_x or Q_y out of range)",
+		"F (1 - Q_x or Q_y out of range)", "F (2 - Point not on curve)",
+		"F (1 - Q_x or Q_y out of range)", "P (0 )",
+		"F (2 - Point not on curve)",      "P (0 )",
+		"F (1 - Q_x or Q_y out of range)", "P (0 )",
+		"F (2 - Point not on curve)",      "F (2 - Point not on curve)",
+	};
 
-  printf("\nAll ECC tests succeeded.\n");
+	TC_PRINT("Test #3: PubKeyVerify ");
+	TC_PRINT("NIST-p256-SHA2-256\n");
 
-  return 0;
+	return pkv_vectors(x, y, Result, 12, verbose);
 }
 
+int montecarlo_ecdh(int num_tests, bool verbose) 
+{
+	int i;
+	uint8_t private1[NUM_ECC_BYTES] = {0};
+	uint8_t private2[NUM_ECC_BYTES] = {0};
+	uint8_t public1[2*NUM_ECC_BYTES] = {0};
+	uint8_t public2[2*NUM_ECC_BYTES] = {0};
+	uint8_t secret1[NUM_ECC_BYTES] = {0};
+	uint8_t secret2[NUM_ECC_BYTES] = {0};
+        unsigned int result = TC_PASS;
+
+	const struct uECC_Curve_t * curve = uECC_secp256r1();
+
+	TC_PRINT("Test #4: Monte Carlo (%d Randomized EC-DH key-exchange) ", num_tests);
+	TC_PRINT("NIST-p256\n  ");
+
+	for (i = 0; i < num_tests; ++i) {
+		if (verbose) {
+			TC_PRINT(".");
+			fflush(stdout);
+		}
+
+		if (!uECC_make_key(public1, private1, curve) ||
+		    !uECC_make_key(public2, private2, curve)) {
+			TC_ERROR("uECC_make_key() failed\n");
+			result = TC_FAIL;
+			goto exitTest1;
+		}
+
+		if (!uECC_shared_secret(public2, private1, secret1, curve)) {
+			TC_ERROR("shared_secret() failed (1)\n");
+			result = TC_FAIL;
+			goto exitTest1;;
+		}
+
+		if (!uECC_shared_secret(public1, private2, secret2, curve)) {
+			TC_ERROR("shared_secret() failed (2)\n");
+			result = TC_FAIL;
+			goto exitTest1;
+		}
+
+		if (memcmp(secret1, secret2, sizeof(secret1)) != 0) {
+			TC_PRINT("Shared secrets are not identical!\n");
+			TC_PRINT("Private key 1 = ");
+			vli_print_bytes(private1, 32);
+			TC_PRINT("\nPrivate key 2 = ");
+			vli_print_bytes(private2, 32);
+			TC_PRINT("\nPublic key 1 = ");
+			vli_print_bytes(public1, 64);
+			TC_PRINT("\nPublic key 2 = ");
+			vli_print_bytes(public2, 64);
+			TC_PRINT("\nShared secret 1 = ");
+			vli_print_bytes(secret1, 32);
+			TC_PRINT("\nShared secret 2 = ");
+			vli_print_bytes(secret2, 32);
+			TC_PRINT("\n");
+		}
+	}
+
+	TC_PRINT("\n");
+
+ exitTest1:
+        TC_END_RESULT(result);
+        return result;
+}
+
+int main()
+{
+        unsigned int result = TC_PASS;
+
+	TC_START("Performing ECC-DH tests:");
+
+	/* Setup of the Cryptographically Secure PRNG. */
+	uECC_set_rng(&default_CSPRNG);
+
+	bool verbose = true;
+
+	TC_PRINT("Performing cavp_ecdh test:\n");
+	result = cavp_ecdh(verbose);
+        if (result == TC_FAIL) { /* terminate test */
+                TC_ERROR("cavp_ecdh test failed.\n");
+                goto exitTest;
+        }
+	TC_PRINT("Performing cavp_keygen test:\n");
+	result = cavp_keygen(verbose);
+        if (result == TC_FAIL) { /* terminate test */
+                TC_ERROR("cavp_keygen test failed.\n");
+                goto exitTest;
+        }
+	TC_PRINT("Performing cavp_pkv test:\n");
+	result = cavp_pkv(verbose);
+        if (result == TC_FAIL) { /* terminate test */
+                TC_ERROR("cavp_pkv failed.\n");
+                goto exitTest;
+        }
+	TC_PRINT("Performing montecarlo_ecdh test:\n");
+	result = montecarlo_ecdh(10, verbose);
+        if (result == TC_FAIL) { /* terminate test */
+                TC_ERROR("montecarlo_ecdh test failed.\n");
+                goto exitTest;
+        }
+
+        TC_PRINT("All EC-DH tests succeeded!\n");
+
+ exitTest:
+        TC_END_RESULT(result);
+        TC_END_REPORT(result);
+}
diff --git a/ext/tinycrypt/tests/test_ecc_dsa.c b/ext/tinycrypt/tests/test_ecc_dsa.c
index 9f7a8cd..d1e933c 100644
--- a/ext/tinycrypt/tests/test_ecc_dsa.c
+++ b/ext/tinycrypt/tests/test_ecc_dsa.c
@@ -1,7 +1,30 @@
 /* test_ecc_ecdsa.c - TinyCrypt implementation of some EC-DSA tests */
 
+/* Copyright (c) 2014, Kenneth MacKay
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  * Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.*/
+
 /*
- *  Copyright (C) 2015 by Intel Corporation, All Rights Reserved.
+ *  Copyright (C) 2017 by Intel Corporation, All Rights Reserved.
  *
  *  Redistribution and use in source and binary forms, with or without
  *  modification, are permitted provided that the following conditions are met:
@@ -32,580 +55,615 @@
  *  test_ecc_ecdsa.c -- Implementation of some EC-DSA tests
  *
  */
-#include <tinycrypt/ecc_dsa.h>
 #include <tinycrypt/ecc.h>
+#include <tinycrypt/ecc_platform_specific.h>
+#include <tinycrypt/ecc_dsa.h>
 #include <tinycrypt/ecc_dh.h>
+#include <tinycrypt/constants.h>
+#include <tinycrypt/sha256.h>
 #include <test_utils.h>
 #include <test_ecc_utils.h>
-#include <tinycrypt/sha256.h>
-#include <tinycrypt/constants.h>
 
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
+
 #include <fcntl.h>
 
+/* Maximum size of message to be signed. */
 #define BUF_SIZE 256
 
-int sign_vectors(TCSha256State_t hash,
-    char **d_vec,
-    char **k_vec,
-    char **msg_vec,
-    char **qx_vec,
-    char **qy_vec,
-    char **r_vec,
-    char **s_vec,
-    int tests,
-    bool verbose) {
+int sign_vectors(TCSha256State_t hash, char **d_vec, char **k_vec,
+		 char **msg_vec, char **qx_vec, char **qy_vec, char **r_vec,
+		 char **s_vec, int tests, bool verbose)
+{
 
-  uint32_t seed[2*NUM_ECC_DIGITS];
-  uint32_t prv[NUM_ECC_DIGITS];
-  uint32_t r[NUM_ECC_DIGITS];
-  uint32_t s[NUM_ECC_DIGITS];
-  uint8_t  digest[TC_SHA256_DIGEST_SIZE];
-  uint32_t dig32[NUM_ECC_DIGITS];
+	unsigned int k[NUM_ECC_WORDS];
+	unsigned int private[NUM_ECC_WORDS];
+	uint8_t private_bytes[NUM_ECC_BYTES];
+	unsigned int sig[2 * NUM_ECC_WORDS];
+	uint8_t sig_bytes[2 * NUM_ECC_BYTES];
+	unsigned int digest[TC_SHA256_DIGEST_SIZE / 4];
+	uint8_t  digest_bytes[TC_SHA256_DIGEST_SIZE];
+	unsigned int result = TC_PASS;
 
-  /* expected outputs (converted input vectors) */
-  uint32_t exp_r[NUM_ECC_DIGITS];
-  uint32_t exp_s[NUM_ECC_DIGITS];
+	/* expected outputs (converted input vectors) */
+	unsigned int exp_r[NUM_ECC_WORDS];
+	unsigned int exp_s[NUM_ECC_WORDS];
 
-  uint8_t msg[BUF_SIZE];
-  size_t msglen;
+	uint8_t msg[BUF_SIZE];
+	size_t msglen;
 
-  for (int i=0; i<tests; i++) {
+	for (int i = 0; i < tests; i++) {
 
-    // use keygen test to generate+validate pubkey
-    keygen_vectors(d_vec+i, qx_vec+i, qy_vec+i, 1, false);
-    string2scalar(prv, NUM_ECC_DIGITS, d_vec[i]);
+		/* use keygen test to generate and validate pubkey */
+		keygen_vectors(d_vec+i, qx_vec+i, qy_vec+i, 1, false);
+		string2scalar(private, NUM_ECC_WORDS, d_vec[i]);
+		uECC_vli_nativeToBytes(private_bytes, NUM_ECC_BYTES, private);
 
-    // validate ECDSA: hash message, sign digest, check r+s
-    memset(seed, 0, 2*NUM_ECC_BYTES);
-    string2scalar(seed, NUM_ECC_DIGITS, k_vec[i]);
-    string2scalar(exp_r, NUM_ECC_DIGITS, r_vec[i]);
-    string2scalar(exp_s, NUM_ECC_DIGITS, s_vec[i]);
+		/* validate ECDSA: hash message, sign digest, check r+s */
+		memset(k, 0, NUM_ECC_BYTES);
+		string2scalar(k, NUM_ECC_WORDS, k_vec[i]);
+		string2scalar(exp_r, NUM_ECC_WORDS, r_vec[i]);
+		string2scalar(exp_s, NUM_ECC_WORDS, s_vec[i]);
 
-    msglen = hex2bin(msg, BUF_SIZE, msg_vec[i], strlen(msg_vec[i]));
+		msglen = hex2bin(msg, BUF_SIZE, msg_vec[i], strlen(msg_vec[i]));
 
-    if (msglen == false) {
-      printf("failed to import message!\n");
-      exit(-1);
-    }
+		if (msglen == false) {
+			TC_ERROR("failed to import message!\n");
+			result = TC_FAIL;
+			goto exitTest1;
+		}
 
-    tc_sha256_init(hash);
-    tc_sha256_update(hash, msg, msglen);
-    tc_sha256_final(digest, hash);
+		tc_sha256_init(hash);
+		tc_sha256_update(hash, msg, msglen);
+		tc_sha256_final(digest_bytes, hash);
 
-    // if digest larger than ECC scalar, drop the end
-    // if digest smaller than ECC scalar, zero-pad front
-    int hash_dwords = TC_SHA256_DIGEST_SIZE/4;
-    if (NUM_ECC_DIGITS < hash_dwords)
-      hash_dwords=NUM_ECC_DIGITS;
+		/* if digest larger than ECC scalar, drop the end
+		 * if digest smaller than ECC scalar, zero-pad front */
+		int hash_dwords = TC_SHA256_DIGEST_SIZE / 4;
+		if (NUM_ECC_WORDS < hash_dwords) {
+			hash_dwords = NUM_ECC_WORDS;
+		}
 
-    memset(dig32, 0, NUM_ECC_BYTES-4*hash_dwords);
-    ecc_bytes2native(dig32+(NUM_ECC_DIGITS-hash_dwords), digest);
+		memset(digest, 0, NUM_ECC_BYTES - 4 * hash_dwords);
+		uECC_vli_bytesToNative(digest + (NUM_ECC_WORDS-hash_dwords),
+				        digest_bytes, TC_SHA256_DIGEST_SIZE);
 
-    if (true != ecdsa_sign(r, s, prv, seed, dig32)) {
-      printf("ECDSA_sign failed!\n");
-      exit(-1);
-    }
+		if (uECC_sign_with_k(private_bytes, digest_bytes, 
+		    sizeof(digest_bytes), k, sig_bytes, uECC_secp256r1()) == 0) {
+			TC_ERROR("ECDSA_sign failed!\n");
+			result = TC_FAIL;
+			goto exitTest1;
+		}
 
-    check_ecc_result(i, "sig.r", exp_r, r,  NUM_ECC_DIGITS, verbose);
-    check_ecc_result(i, "sig.s", exp_s, s,  NUM_ECC_DIGITS, verbose);
-  }
-  return 0;
+		uECC_vli_bytesToNative(sig, sig_bytes, NUM_ECC_BYTES);
+		uECC_vli_bytesToNative(sig + NUM_ECC_WORDS, sig_bytes+NUM_ECC_BYTES, NUM_ECC_BYTES);
+
+		result = check_ecc_result(i, "sig.r", exp_r, sig,  NUM_ECC_WORDS, verbose);
+		if(result == TC_FAIL) {
+		  goto exitTest1;
+		}
+		result = check_ecc_result(i, "sig.s", exp_s, sig + NUM_ECC_WORDS,  NUM_ECC_WORDS, verbose);
+		if(result == TC_FAIL) {
+		  goto exitTest1;
+		}
+  	}
+
+ exitTest1:
+	TC_END_RESULT(result);
+	return result;
 }
 
-void cavp_sign(bool verbose) {
+int cavp_sign(bool verbose)
+{
 
-  /*
-   * [P-256,SHA-256]
-   */
-  char *d[] = {
-      "519b423d715f8b581f4fa8ee59f4771a5b44c8130b4e3eacca54a56dda72b464",
-      "0f56db78ca460b055c500064824bed999a25aaf48ebb519ac201537b85479813",
-      "e283871239837e13b95f789e6e1af63bf61c918c992e62bca040d64cad1fc2ef",
-      "a3d2d3b7596f6592ce98b4bfe10d41837f10027a90d7bb75349490018cf72d07",
-      "53a0e8a8fe93db01e7ae94e1a9882a102ebd079b3a535827d583626c272d280d",
-      "4af107e8e2194c830ffb712a65511bc9186a133007855b49ab4b3833aefc4a1d",
-      "78dfaa09f1076850b3e206e477494cddcfb822aaa0128475053592c48ebaf4ab",
-      "80e692e3eb9fcd8c7d44e7de9f7a5952686407f90025a1d87e52c7096a62618a",
-      "5e666c0db0214c3b627a8e48541cc84a8b6fd15f300da4dff5d18aec6c55b881",
-      "f73f455271c877c4d5334627e37c278f68d143014b0a05aa62f308b2101c5308",
-      "b20d705d9bd7c2b8dc60393a5357f632990e599a0975573ac67fd89b49187906",
-      "d4234bebfbc821050341a37e1240efe5e33763cbbb2ef76a1c79e24724e5a5e7",
-      "b58f5211dff440626bb56d0ad483193d606cf21f36d9830543327292f4d25d8c",
-      "54c066711cdb061eda07e5275f7e95a9962c6764b84f6f1f3ab5a588e0a2afb1",
-      "34fa4682bf6cb5b16783adcd18f0e6879b92185f76d7c920409f904f522db4b1",
-  };
+	/*
+	 * [P-256,SHA-256]
+	 */
+	char *d[] = {
+		"519b423d715f8b581f4fa8ee59f4771a5b44c8130b4e3eacca54a56dda72b464",
+		"0f56db78ca460b055c500064824bed999a25aaf48ebb519ac201537b85479813",
+		"e283871239837e13b95f789e6e1af63bf61c918c992e62bca040d64cad1fc2ef",
+		"a3d2d3b7596f6592ce98b4bfe10d41837f10027a90d7bb75349490018cf72d07",
+		"53a0e8a8fe93db01e7ae94e1a9882a102ebd079b3a535827d583626c272d280d",
+		"4af107e8e2194c830ffb712a65511bc9186a133007855b49ab4b3833aefc4a1d",
+		"78dfaa09f1076850b3e206e477494cddcfb822aaa0128475053592c48ebaf4ab",
+		"80e692e3eb9fcd8c7d44e7de9f7a5952686407f90025a1d87e52c7096a62618a",
+		"5e666c0db0214c3b627a8e48541cc84a8b6fd15f300da4dff5d18aec6c55b881",
+		"f73f455271c877c4d5334627e37c278f68d143014b0a05aa62f308b2101c5308",
+		"b20d705d9bd7c2b8dc60393a5357f632990e599a0975573ac67fd89b49187906",
+		"d4234bebfbc821050341a37e1240efe5e33763cbbb2ef76a1c79e24724e5a5e7",
+		"b58f5211dff440626bb56d0ad483193d606cf21f36d9830543327292f4d25d8c",
+		"54c066711cdb061eda07e5275f7e95a9962c6764b84f6f1f3ab5a588e0a2afb1",
+		"34fa4682bf6cb5b16783adcd18f0e6879b92185f76d7c920409f904f522db4b1",
+	};
 
-  char *k[] = {
-      "94a1bbb14b906a61a280f245f9e93c7f3b4a6247824f5d33b9670787642a68de",
-      "6d3e71882c3b83b156bb14e0ab184aa9fb728068d3ae9fac421187ae0b2f34c6",
-      "ad5e887eb2b380b8d8280ad6e5ff8a60f4d26243e0124c2f31a297b5d0835de2",
-      "24fc90e1da13f17ef9fe84cc96b9471ed1aaac17e3a4bae33a115df4e5834f18",
-      "5d833e8d24cc7a402d7ee7ec852a3587cddeb48358cea71b0bedb8fabe84e0c4",
-      "e18f96f84dfa2fd3cdfaec9159d4c338cd54ad314134f0b31e20591fc238d0ab",
-      "295544dbb2da3da170741c9b2c6551d40af7ed4e891445f11a02b66a5c258a77",
-      "7c80fd66d62cc076cef2d030c17c0a69c99611549cb32c4ff662475adbe84b22",
-      "2e7625a48874d86c9e467f890aaa7cd6ebdf71c0102bfdcfa24565d6af3fdce9",
-      "62f8665fd6e26b3fa069e85281777a9b1f0dfd2c0b9f54a086d0c109ff9fd615",
-      "72b656f6b35b9ccbc712c9f1f3b1a14cbbebaec41c4bca8da18f492a062d6f6f",
-      "d926fe10f1bfd9855610f4f5a3d666b1a149344057e35537373372ead8b1a778",
-      "e158bf4a2d19a99149d9cdb879294ccb7aaeae03d75ddd616ef8ae51a6dc1071",
-      "646fe933e96c3b8f9f507498e907fdd201f08478d0202c752a7c2cfebf4d061a",
-      "a6f463ee72c9492bc792fe98163112837aebd07bab7a84aaed05be64db3086f4",
-  };
+	char *k[] = {
+		"94a1bbb14b906a61a280f245f9e93c7f3b4a6247824f5d33b9670787642a68de",
+		"6d3e71882c3b83b156bb14e0ab184aa9fb728068d3ae9fac421187ae0b2f34c6",
+		"ad5e887eb2b380b8d8280ad6e5ff8a60f4d26243e0124c2f31a297b5d0835de2",
+		"24fc90e1da13f17ef9fe84cc96b9471ed1aaac17e3a4bae33a115df4e5834f18",
+		"5d833e8d24cc7a402d7ee7ec852a3587cddeb48358cea71b0bedb8fabe84e0c4",
+		"e18f96f84dfa2fd3cdfaec9159d4c338cd54ad314134f0b31e20591fc238d0ab",
+		"295544dbb2da3da170741c9b2c6551d40af7ed4e891445f11a02b66a5c258a77",
+		"7c80fd66d62cc076cef2d030c17c0a69c99611549cb32c4ff662475adbe84b22",
+		"2e7625a48874d86c9e467f890aaa7cd6ebdf71c0102bfdcfa24565d6af3fdce9",
+		"62f8665fd6e26b3fa069e85281777a9b1f0dfd2c0b9f54a086d0c109ff9fd615",
+		"72b656f6b35b9ccbc712c9f1f3b1a14cbbebaec41c4bca8da18f492a062d6f6f",
+		"d926fe10f1bfd9855610f4f5a3d666b1a149344057e35537373372ead8b1a778",
+		"e158bf4a2d19a99149d9cdb879294ccb7aaeae03d75ddd616ef8ae51a6dc1071",
+		"646fe933e96c3b8f9f507498e907fdd201f08478d0202c752a7c2cfebf4d061a",
+		"a6f463ee72c9492bc792fe98163112837aebd07bab7a84aaed05be64db3086f4",
+ 	};
 
-  char *Msg[] = {
-    "5905238877c77421f73e43ee3da6f2d9e2ccad5fc942dcec0cbd25482935faaf416983fe16"
-    "5b1a045ee2bcd2e6dca3bdf46c4310a7461f9a37960ca672d3feb5473e253605fb1ddfd280"
-    "65b53cb5858a8ad28175bf9bd386a5e471ea7a65c17cc934a9d791e91491eb3754d0379979"
-    "0fe2d308d16146d5c9b0d0debd97d79ce8",
-    "c35e2f092553c55772926bdbe87c9796827d17024dbb9233a545366e2e5987dd344deb72df"
-    "987144b8c6c43bc41b654b94cc856e16b96d7a821c8ec039b503e3d86728c494a967d83011"
-    "a0e090b5d54cd47f4e366c0912bc808fbb2ea96efac88fb3ebec9342738e225f7c7c2b011c"
-    "e375b56621a20642b4d36e060db4524af1",
-    "3c054e333a94259c36af09ab5b4ff9beb3492f8d5b4282d16801daccb29f70fe61a0b37ffe"
-    "f5c04cd1b70e85b1f549a1c4dc672985e50f43ea037efa9964f096b5f62f7ffdf8d6bfb2cc"
-    "859558f5a393cb949dbd48f269343b5263dcdb9c556eca074f2e98e6d94c2c29a677afaf80"
-    "6edf79b15a3fcd46e7067b7669f83188ee",
-    "0989122410d522af64ceb07da2c865219046b4c3d9d99b01278c07ff63eaf1039cb787ae9e"
-    "2dd46436cc0415f280c562bebb83a23e639e476a02ec8cff7ea06cd12c86dcc3adefbf1a9e"
-    "9a9b6646c7599ec631b0da9a60debeb9b3e19324977f3b4f36892c8a38671c8e1cc8e50fcd"
-    "50f9e51deaf98272f9266fc702e4e57c30",
-    "dc66e39f9bbfd9865318531ffe9207f934fa615a5b285708a5e9c46b7775150e818d7f24d2"
-    "a123df3672fff2094e3fd3df6fbe259e3989dd5edfcccbe7d45e26a775a5c4329a084f057c"
-    "42c13f3248e3fd6f0c76678f890f513c32292dd306eaa84a59abe34b16cb5e38d0e885525d"
-    "10336ca443e1682aa04a7af832b0eee4e7",
-    "600974e7d8c5508e2c1aab0783ad0d7c4494ab2b4da265c2fe496421c4df238b0be25f2565"
-    "9157c8a225fb03953607f7df996acfd402f147e37aee2f1693e3bf1c35eab3ae360a2bd91d"
-    "04622ea47f83d863d2dfecb618e8b8bdc39e17d15d672eee03bb4ce2cc5cf6b217e5faf3f3"
-    "36fdd87d972d3a8b8a593ba85955cc9d71",
-    "dfa6cb9b39adda6c74cc8b2a8b53a12c499ab9dee01b4123642b4f11af336a91a5c9ce0520"
-    "eb2395a6190ecbf6169c4cba81941de8e76c9c908eb843b98ce95e0da29c5d4388040264e0"
-    "5e07030a577cc5d176387154eabae2af52a83e85c61c7c61da930c9b19e45d7e34c8516dc3"
-    "c238fddd6e450a77455d534c48a152010b",
-    "51d2547cbff92431174aa7fc7302139519d98071c755ff1c92e4694b58587ea560f72f32fc"
-    "6dd4dee7d22bb7387381d0256e2862d0644cdf2c277c5d740fa089830eb52bf79d1e75b859"
-    "6ecf0ea58a0b9df61e0c9754bfcd62efab6ea1bd216bf181c5593da79f10135a9bc6e164f1"
-    "854bc8859734341aad237ba29a81a3fc8b",
-    "558c2ac13026402bad4a0a83ebc9468e50f7ffab06d6f981e5db1d082098065bcff6f21a7a"
-    "74558b1e8612914b8b5a0aa28ed5b574c36ac4ea5868432a62bb8ef0695d27c1e3ceaf75c7"
-    "b251c65ddb268696f07c16d2767973d85beb443f211e6445e7fe5d46f0dce70d58a4cd9fe7"
-    "0688c035688ea8c6baec65a5fc7e2c93e8",
-    "4d55c99ef6bd54621662c3d110c3cb627c03d6311393b264ab97b90a4b15214a5593ba2510"
-    "a53d63fb34be251facb697c973e11b665cb7920f1684b0031b4dd370cb927ca7168b0bf8ad"
-    "285e05e9e31e34bc24024739fdc10b78586f29eff94412034e3b606ed850ec2c1900e8e681"
-    "51fc4aee5adebb066eb6da4eaa5681378e",
-    "f8248ad47d97c18c984f1f5c10950dc1404713c56b6ea397e01e6dd925e903b4fadfe2c9e8"
-    "77169e71ce3c7fe5ce70ee4255d9cdc26f6943bf48687874de64f6cf30a012512e787b8805"
-    "9bbf561162bdcc23a3742c835ac144cc14167b1bd6727e940540a9c99f3cbb41fb1dcb00d7"
-    "6dda04995847c657f4c19d303eb09eb48a",
-    "3b6ee2425940b3d240d35b97b6dcd61ed3423d8e71a0ada35d47b322d17b35ea0472f35edd"
-    "1d252f87b8b65ef4b716669fc9ac28b00d34a9d66ad118c9d94e7f46d0b4f6c2b2d339fd6b"
-    "cd351241a387cc82609057048c12c4ec3d85c661975c45b300cb96930d89370a327c98b67d"
-    "efaa89497aa8ef994c77f1130f752f94a4",
-    "c5204b81ec0a4df5b7e9fda3dc245f98082ae7f4efe81998dcaa286bd4507ca840a53d21b0"
-    "1e904f55e38f78c3757d5a5a4a44b1d5d4e480be3afb5b394a5d2840af42b1b4083d40afbf"
-    "e22d702f370d32dbfd392e128ea4724d66a3701da41ae2f03bb4d91bb946c7969404cb544f"
-    "71eb7a49eb4c4ec55799bda1eb545143a7",
-    "72e81fe221fb402148d8b7ab03549f1180bcc03d41ca59d7653801f0ba853add1f6d29edd7"
-    "f9abc621b2d548f8dbf8979bd16608d2d8fc3260b4ebc0dd42482481d548c7075711b57596"
-    "49c41f439fad69954956c9326841ea6492956829f9e0dc789f73633b40f6ac77bcae6dfc79"
-    "30cfe89e526d1684365c5b0be2437fdb01",
-    "21188c3edd5de088dacc1076b9e1bcecd79de1003c2414c3866173054dc82dde85169baa77"
-    "993adb20c269f60a5226111828578bcc7c29e6e8d2dae81806152c8ba0c6ada1986a1983eb"
-    "eec1473a73a04795b6319d48662d40881c1723a706f516fe75300f92408aa1dc6ae4288d20"
-    "46f23c1aa2e54b7fb6448a0da922bd7f34",
-  };
+	char *Msg[] = {
+		"5905238877c77421f73e43ee3da6f2d9e2ccad5fc942dcec0cbd25482935faaf416983fe16"
+		"5b1a045ee2bcd2e6dca3bdf46c4310a7461f9a37960ca672d3feb5473e253605fb1ddfd280"
+		"65b53cb5858a8ad28175bf9bd386a5e471ea7a65c17cc934a9d791e91491eb3754d0379979"
+		"0fe2d308d16146d5c9b0d0debd97d79ce8",
+		"c35e2f092553c55772926bdbe87c9796827d17024dbb9233a545366e2e5987dd344deb72df"
+		"987144b8c6c43bc41b654b94cc856e16b96d7a821c8ec039b503e3d86728c494a967d83011"
+		"a0e090b5d54cd47f4e366c0912bc808fbb2ea96efac88fb3ebec9342738e225f7c7c2b011c"
+		"e375b56621a20642b4d36e060db4524af1",
+		"3c054e333a94259c36af09ab5b4ff9beb3492f8d5b4282d16801daccb29f70fe61a0b37ffe"
+		"f5c04cd1b70e85b1f549a1c4dc672985e50f43ea037efa9964f096b5f62f7ffdf8d6bfb2cc"
+		"859558f5a393cb949dbd48f269343b5263dcdb9c556eca074f2e98e6d94c2c29a677afaf80"
+		"6edf79b15a3fcd46e7067b7669f83188ee",
+		"0989122410d522af64ceb07da2c865219046b4c3d9d99b01278c07ff63eaf1039cb787ae9e"
+		"2dd46436cc0415f280c562bebb83a23e639e476a02ec8cff7ea06cd12c86dcc3adefbf1a9e"
+		"9a9b6646c7599ec631b0da9a60debeb9b3e19324977f3b4f36892c8a38671c8e1cc8e50fcd"
+		"50f9e51deaf98272f9266fc702e4e57c30",
+		"dc66e39f9bbfd9865318531ffe9207f934fa615a5b285708a5e9c46b7775150e818d7f24d2"
+		"a123df3672fff2094e3fd3df6fbe259e3989dd5edfcccbe7d45e26a775a5c4329a084f057c"
+		"42c13f3248e3fd6f0c76678f890f513c32292dd306eaa84a59abe34b16cb5e38d0e885525d"
+		"10336ca443e1682aa04a7af832b0eee4e7",
+		"600974e7d8c5508e2c1aab0783ad0d7c4494ab2b4da265c2fe496421c4df238b0be25f2565"
+		"9157c8a225fb03953607f7df996acfd402f147e37aee2f1693e3bf1c35eab3ae360a2bd91d"
+		"04622ea47f83d863d2dfecb618e8b8bdc39e17d15d672eee03bb4ce2cc5cf6b217e5faf3f3"
+		"36fdd87d972d3a8b8a593ba85955cc9d71",
+		"dfa6cb9b39adda6c74cc8b2a8b53a12c499ab9dee01b4123642b4f11af336a91a5c9ce0520"
+		"eb2395a6190ecbf6169c4cba81941de8e76c9c908eb843b98ce95e0da29c5d4388040264e0"
+		"5e07030a577cc5d176387154eabae2af52a83e85c61c7c61da930c9b19e45d7e34c8516dc3"
+		"c238fddd6e450a77455d534c48a152010b",
+		"51d2547cbff92431174aa7fc7302139519d98071c755ff1c92e4694b58587ea560f72f32fc"
+		"6dd4dee7d22bb7387381d0256e2862d0644cdf2c277c5d740fa089830eb52bf79d1e75b859"
+		"6ecf0ea58a0b9df61e0c9754bfcd62efab6ea1bd216bf181c5593da79f10135a9bc6e164f1"
+		"854bc8859734341aad237ba29a81a3fc8b",
+		"558c2ac13026402bad4a0a83ebc9468e50f7ffab06d6f981e5db1d082098065bcff6f21a7a"
+		"74558b1e8612914b8b5a0aa28ed5b574c36ac4ea5868432a62bb8ef0695d27c1e3ceaf75c7"
+		"b251c65ddb268696f07c16d2767973d85beb443f211e6445e7fe5d46f0dce70d58a4cd9fe7"
+		"0688c035688ea8c6baec65a5fc7e2c93e8",
+		"4d55c99ef6bd54621662c3d110c3cb627c03d6311393b264ab97b90a4b15214a5593ba2510"
+		"a53d63fb34be251facb697c973e11b665cb7920f1684b0031b4dd370cb927ca7168b0bf8ad"
+		"285e05e9e31e34bc24024739fdc10b78586f29eff94412034e3b606ed850ec2c1900e8e681"
+		"51fc4aee5adebb066eb6da4eaa5681378e",
+		"f8248ad47d97c18c984f1f5c10950dc1404713c56b6ea397e01e6dd925e903b4fadfe2c9e8"
+		"77169e71ce3c7fe5ce70ee4255d9cdc26f6943bf48687874de64f6cf30a012512e787b8805"
+		"9bbf561162bdcc23a3742c835ac144cc14167b1bd6727e940540a9c99f3cbb41fb1dcb00d7"
+		"6dda04995847c657f4c19d303eb09eb48a",
+		"3b6ee2425940b3d240d35b97b6dcd61ed3423d8e71a0ada35d47b322d17b35ea0472f35edd"
+		"1d252f87b8b65ef4b716669fc9ac28b00d34a9d66ad118c9d94e7f46d0b4f6c2b2d339fd6b"
+		"cd351241a387cc82609057048c12c4ec3d85c661975c45b300cb96930d89370a327c98b67d"
+		"efaa89497aa8ef994c77f1130f752f94a4",
+		"c5204b81ec0a4df5b7e9fda3dc245f98082ae7f4efe81998dcaa286bd4507ca840a53d21b0"
+		"1e904f55e38f78c3757d5a5a4a44b1d5d4e480be3afb5b394a5d2840af42b1b4083d40afbf"
+		"e22d702f370d32dbfd392e128ea4724d66a3701da41ae2f03bb4d91bb946c7969404cb544f"
+		"71eb7a49eb4c4ec55799bda1eb545143a7",
+		"72e81fe221fb402148d8b7ab03549f1180bcc03d41ca59d7653801f0ba853add1f6d29edd7"
+		"f9abc621b2d548f8dbf8979bd16608d2d8fc3260b4ebc0dd42482481d548c7075711b57596"
+		"49c41f439fad69954956c9326841ea6492956829f9e0dc789f73633b40f6ac77bcae6dfc79"
+		"30cfe89e526d1684365c5b0be2437fdb01",
+		"21188c3edd5de088dacc1076b9e1bcecd79de1003c2414c3866173054dc82dde85169baa77"
+		"993adb20c269f60a5226111828578bcc7c29e6e8d2dae81806152c8ba0c6ada1986a1983eb"
+		"eec1473a73a04795b6319d48662d40881c1723a706f516fe75300f92408aa1dc6ae4288d20"
+		"46f23c1aa2e54b7fb6448a0da922bd7f34",
+	};
 
-  char *Qx[] = {
-      "1ccbe91c075fc7f4f033bfa248db8fccd3565de94bbfb12f3c59ff46c271bf83",
-      "e266ddfdc12668db30d4ca3e8f7749432c416044f2d2b8c10bf3d4012aeffa8a",
-      "74ccd8a62fba0e667c50929a53f78c21b8ff0c3c737b0b40b1750b2302b0bde8",
-      "322f80371bf6e044bc49391d97c1714ab87f990b949bc178cb7c43b7c22d89e1",
-      "1bcec4570e1ec2436596b8ded58f60c3b1ebc6a403bc5543040ba82963057244",
-      "a32e50be3dae2c8ba3f5e4bdae14cf7645420d425ead94036c22dd6c4fc59e00",
-      "8bcfe2a721ca6d753968f564ec4315be4857e28bef1908f61a366b1f03c97479",
-      "a88bc8430279c8c0400a77d751f26c0abc93e5de4ad9a4166357952fe041e767",
-      "1bc487570f040dc94196c9befe8ab2b6de77208b1f38bdaae28f9645c4d2bc3a",
-      "b8188bd68701fc396dab53125d4d28ea33a91daf6d21485f4770f6ea8c565dde",
-      "51f99d2d52d4a6e734484a018b7ca2f895c2929b6754a3a03224d07ae61166ce",
-      "8fb287f0202ad57ae841aea35f29b2e1d53e196d0ddd9aec24813d64c0922fb7",
-      "68229b48c2fe19d3db034e4c15077eb7471a66031f28a980821873915298ba76",
-      "0a7dbb8bf50cb605eb2268b081f26d6b08e012f952c4b70a5a1e6e7d46af98bb",
-      "105d22d9c626520faca13e7ced382dcbe93498315f00cc0ac39c4821d0d73737",
-  };
+	char *Qx[] = {
+		"1ccbe91c075fc7f4f033bfa248db8fccd3565de94bbfb12f3c59ff46c271bf83",
+		"e266ddfdc12668db30d4ca3e8f7749432c416044f2d2b8c10bf3d4012aeffa8a",
+		"74ccd8a62fba0e667c50929a53f78c21b8ff0c3c737b0b40b1750b2302b0bde8",
+		"322f80371bf6e044bc49391d97c1714ab87f990b949bc178cb7c43b7c22d89e1",
+		"1bcec4570e1ec2436596b8ded58f60c3b1ebc6a403bc5543040ba82963057244",
+		"a32e50be3dae2c8ba3f5e4bdae14cf7645420d425ead94036c22dd6c4fc59e00",
+		"8bcfe2a721ca6d753968f564ec4315be4857e28bef1908f61a366b1f03c97479",
+		"a88bc8430279c8c0400a77d751f26c0abc93e5de4ad9a4166357952fe041e767",
+		"1bc487570f040dc94196c9befe8ab2b6de77208b1f38bdaae28f9645c4d2bc3a",
+		"b8188bd68701fc396dab53125d4d28ea33a91daf6d21485f4770f6ea8c565dde",
+		"51f99d2d52d4a6e734484a018b7ca2f895c2929b6754a3a03224d07ae61166ce",
+		"8fb287f0202ad57ae841aea35f29b2e1d53e196d0ddd9aec24813d64c0922fb7",
+		"68229b48c2fe19d3db034e4c15077eb7471a66031f28a980821873915298ba76",
+		"0a7dbb8bf50cb605eb2268b081f26d6b08e012f952c4b70a5a1e6e7d46af98bb",
+		"105d22d9c626520faca13e7ced382dcbe93498315f00cc0ac39c4821d0d73737",
+	};
 
-  char *Qy[] = {
-      "ce4014c68811f9a21a1fdb2c0e6113e06db7ca93b7404e78dc7ccd5ca89a4ca9",
-      "bfa86404a2e9ffe67d47c587ef7a97a7f456b863b4d02cfc6928973ab5b1cb39",
-      "29074e21f3a0ef88b9efdf10d06aa4c295cc1671f758ca0e4cd108803d0f2614",
-      "3c15d54a5cc6b9f09de8457e873eb3deb1fceb54b0b295da6050294fae7fd999",
-      "8af62a4c683f096b28558320737bf83b9959a46ad2521004ef74cf85e67494e1",
-      "d623bf641160c289d6742c6257ae6ba574446dd1d0e74db3aaa80900b78d4ae9",
-      "0f67576a30b8e20d4232d8530b52fb4c89cbc589ede291e499ddd15fe870ab96",
-      "2d365a1eef25ead579cc9a069b6abc1b16b81c35f18785ce26a10ba6d1381185",
-      "ec81602abd8345e71867c8210313737865b8aa186851e1b48eaca140320f5d8f",
-      "423f058810f277f8fe076f6db56e9285a1bf2c2a1dae145095edd9c04970bc4a",
-      "4737da963c6ef7247fb88d19f9b0c667cac7fe12837fdab88c66f10d3c14cad1",
-      "1f6daff1aa2dd2d6d3741623eecb5e7b612997a1039aab2e5cf2de969cfea573",
-      "303e8ee3742a893f78b810991da697083dd8f11128c47651c27a56740a80c24c",
-      "f26dd7d799930062480849962ccf5004edcfd307c044f4e8f667c9baa834eeae",
-      "6c47f3cbbfa97dfcebe16270b8c7d5d3a5900b888c42520d751e8faf3b401ef4",
-  };
+	char *Qy[] = {
+		"ce4014c68811f9a21a1fdb2c0e6113e06db7ca93b7404e78dc7ccd5ca89a4ca9",
+		"bfa86404a2e9ffe67d47c587ef7a97a7f456b863b4d02cfc6928973ab5b1cb39",
+		"29074e21f3a0ef88b9efdf10d06aa4c295cc1671f758ca0e4cd108803d0f2614",
+		"3c15d54a5cc6b9f09de8457e873eb3deb1fceb54b0b295da6050294fae7fd999",
+		"8af62a4c683f096b28558320737bf83b9959a46ad2521004ef74cf85e67494e1",
+		"d623bf641160c289d6742c6257ae6ba574446dd1d0e74db3aaa80900b78d4ae9",
+		"0f67576a30b8e20d4232d8530b52fb4c89cbc589ede291e499ddd15fe870ab96",
+		"2d365a1eef25ead579cc9a069b6abc1b16b81c35f18785ce26a10ba6d1381185",
+		"ec81602abd8345e71867c8210313737865b8aa186851e1b48eaca140320f5d8f",
+		"423f058810f277f8fe076f6db56e9285a1bf2c2a1dae145095edd9c04970bc4a",
+		"4737da963c6ef7247fb88d19f9b0c667cac7fe12837fdab88c66f10d3c14cad1",
+		"1f6daff1aa2dd2d6d3741623eecb5e7b612997a1039aab2e5cf2de969cfea573",
+		"303e8ee3742a893f78b810991da697083dd8f11128c47651c27a56740a80c24c",
+		"f26dd7d799930062480849962ccf5004edcfd307c044f4e8f667c9baa834eeae",
+		"6c47f3cbbfa97dfcebe16270b8c7d5d3a5900b888c42520d751e8faf3b401ef4",
+	};
 
-  char *R[] = {
-      "f3ac8061b514795b8843e3d6629527ed2afd6b1f6a555a7acabb5e6f79c8c2ac",
-      "976d3a4e9d23326dc0baa9fa560b7c4e53f42864f508483a6473b6a11079b2db",
-      "35fb60f5ca0f3ca08542fb3cc641c8263a2cab7a90ee6a5e1583fac2bb6f6bd1",
-      "d7c562370af617b581c84a2468cc8bd50bb1cbf322de41b7887ce07c0e5884ca",
-      "18caaf7b663507a8bcd992b836dec9dc5703c080af5e51dfa3a9a7c387182604",
-      "8524c5024e2d9a73bde8c72d9129f57873bbad0ed05215a372a84fdbc78f2e68",
-      "c5a186d72df452015480f7f338970bfe825087f05c0088d95305f87aacc9b254",
-      "9d0c6afb6df3bced455b459cc21387e14929392664bb8741a3693a1795ca6902",
-      "2f9e2b4e9f747c657f705bffd124ee178bbc5391c86d056717b140c153570fd9",
-      "1cc628533d0004b2b20e7f4baad0b8bb5e0673db159bbccf92491aef61fc9620",
-      "9886ae46c1415c3bc959e82b760ad760aab66885a84e620aa339fdf102465c42",
-      "490efd106be11fc365c7467eb89b8d39e15d65175356775deab211163c2504cb",
-      "e67a9717ccf96841489d6541f4f6adb12d17b59a6bef847b6183b8fcf16a32eb",
-      "b53ce4da1aa7c0dc77a1896ab716b921499aed78df725b1504aba1597ba0c64b",
-      "542c40a18140a6266d6f0286e24e9a7bad7650e72ef0e2131e629c076d962663",
-  };
+  	char *R[] = {
+		"f3ac8061b514795b8843e3d6629527ed2afd6b1f6a555a7acabb5e6f79c8c2ac",
+		"976d3a4e9d23326dc0baa9fa560b7c4e53f42864f508483a6473b6a11079b2db",
+		"35fb60f5ca0f3ca08542fb3cc641c8263a2cab7a90ee6a5e1583fac2bb6f6bd1",
+		"d7c562370af617b581c84a2468cc8bd50bb1cbf322de41b7887ce07c0e5884ca",
+		"18caaf7b663507a8bcd992b836dec9dc5703c080af5e51dfa3a9a7c387182604",
+		"8524c5024e2d9a73bde8c72d9129f57873bbad0ed05215a372a84fdbc78f2e68",
+		"c5a186d72df452015480f7f338970bfe825087f05c0088d95305f87aacc9b254",
+		"9d0c6afb6df3bced455b459cc21387e14929392664bb8741a3693a1795ca6902",
+		"2f9e2b4e9f747c657f705bffd124ee178bbc5391c86d056717b140c153570fd9",
+		"1cc628533d0004b2b20e7f4baad0b8bb5e0673db159bbccf92491aef61fc9620",
+		"9886ae46c1415c3bc959e82b760ad760aab66885a84e620aa339fdf102465c42",
+		"490efd106be11fc365c7467eb89b8d39e15d65175356775deab211163c2504cb",
+		"e67a9717ccf96841489d6541f4f6adb12d17b59a6bef847b6183b8fcf16a32eb",
+		"b53ce4da1aa7c0dc77a1896ab716b921499aed78df725b1504aba1597ba0c64b",
+		"542c40a18140a6266d6f0286e24e9a7bad7650e72ef0e2131e629c076d962663",
+	};
 
-  char *S[] = {
-      "8bf77819ca05a6b2786c76262bf7371cef97b218e96f175a3ccdda2acc058903",
-      "1b766e9ceb71ba6c01dcd46e0af462cd4cfa652ae5017d4555b8eeefe36e1932",
-      "ee59d81bc9db1055cc0ed97b159d8784af04e98511d0a9a407b99bb292572e96",
-      "b46d9f2d8c4bf83546ff178f1d78937c008d64e8ecc5cbb825cb21d94d670d89",
-      "77c68928ac3b88d985fb43fb615fb7ff45c18ba5c81af796c613dfa98352d29c",
-      "d18c2caf3b1072f87064ec5e8953f51301cada03469c640244760328eb5a05cb",
-      "84a58f9e9d9e735344b316b1aa1ab5185665b85147dc82d92e969d7bee31ca30",
-      "d7f9ddd191f1f412869429209ee3814c75c72fa46a9cccf804a2f5cc0b7e739f",
-      "f5413bfd85949da8d83de83ab0d19b2986613e224d1901d76919de23ccd03199",
-      "880e0bbf82a8cf818ed46ba03cf0fc6c898e36fca36cc7fdb1d2db7503634430",
-      "2bf3a80bc04faa35ebecc0f4864ac02d349f6f126e0f988501b8d3075409a26c",
-      "644300fc0da4d40fb8c6ead510d14f0bd4e1321a469e9c0a581464c7186b7aa7",
-      "9ae6ba6d637706849a6a9fc388cf0232d85c26ea0d1fe7437adb48de58364333",
-      "d7c246dc7ad0e67700c373edcfdd1c0a0495fc954549ad579df6ed1438840851",
-      "4f7f65305e24a6bbb5cff714ba8f5a2cee5bdc89ba8d75dcbf21966ce38eb66f",
-  };
+	char *S[] = {
+		"8bf77819ca05a6b2786c76262bf7371cef97b218e96f175a3ccdda2acc058903",
+		"1b766e9ceb71ba6c01dcd46e0af462cd4cfa652ae5017d4555b8eeefe36e1932",
+		"ee59d81bc9db1055cc0ed97b159d8784af04e98511d0a9a407b99bb292572e96",
+		"b46d9f2d8c4bf83546ff178f1d78937c008d64e8ecc5cbb825cb21d94d670d89",
+		"77c68928ac3b88d985fb43fb615fb7ff45c18ba5c81af796c613dfa98352d29c",
+		"d18c2caf3b1072f87064ec5e8953f51301cada03469c640244760328eb5a05cb",
+		"84a58f9e9d9e735344b316b1aa1ab5185665b85147dc82d92e969d7bee31ca30",
+		"d7f9ddd191f1f412869429209ee3814c75c72fa46a9cccf804a2f5cc0b7e739f",
+		"f5413bfd85949da8d83de83ab0d19b2986613e224d1901d76919de23ccd03199",
+		"880e0bbf82a8cf818ed46ba03cf0fc6c898e36fca36cc7fdb1d2db7503634430",
+		"2bf3a80bc04faa35ebecc0f4864ac02d349f6f126e0f988501b8d3075409a26c",
+		"644300fc0da4d40fb8c6ead510d14f0bd4e1321a469e9c0a581464c7186b7aa7",
+		"9ae6ba6d637706849a6a9fc388cf0232d85c26ea0d1fe7437adb48de58364333",
+		"d7c246dc7ad0e67700c373edcfdd1c0a0495fc954549ad579df6ed1438840851",
+		"4f7f65305e24a6bbb5cff714ba8f5a2cee5bdc89ba8d75dcbf21966ce38eb66f",
+	};
 
-  struct tc_sha256_state_struct sha256_ctx;
+	struct tc_sha256_state_struct sha256_ctx;
 
-  printf("Test #1: ECDSAsign ");
-  printf("NIST-p256, SHA2-256\n");
+	TC_PRINT("Test #1: ECDSAsign ");
+	TC_PRINT("NIST-p256, SHA2-256\n");
 
-  sign_vectors(
-      &sha256_ctx,
-      d,
-      k,
-      Msg,
-      Qx,
-      Qy,
-      R,
-      S,
-      15,
-      verbose);
+	return sign_vectors(&sha256_ctx, d, k, Msg, Qx, Qy, R, S, 15, verbose);
 }
 
+int vrfy_vectors(TCSha256State_t hash, char **msg_vec, char **qx_vec, char **qy_vec,
+		  char **r_vec, char **s_vec, char **res_vec, int tests, bool verbose)
+{
 
-void vrfy_vectors(TCSha256State_t hash,
-    char **msg_vec,
-    char **qx_vec,
-    char **qy_vec,
-    char **r_vec,
-    char **s_vec,
-    char **res_vec,
-    int tests,
-    bool verbose) {
+	const struct uECC_Curve_t * curve = uECC_secp256r1();
+	unsigned int pub[2 * NUM_ECC_WORDS];
+	uint8_t pub_bytes[2 * NUM_ECC_BYTES];
+	unsigned int sig[2 * NUM_ECC_WORDS];
+	uint8_t sig_bytes[2 * NUM_ECC_BYTES];
+	uint8_t  digest_bytes[TC_SHA256_DIGEST_SIZE];
+	unsigned int digest[TC_SHA256_DIGEST_SIZE / 4];
+	unsigned int result = TC_PASS;
 
-  EccPoint pub;
-  uint32_t r[NUM_ECC_DIGITS];
-  uint32_t s[NUM_ECC_DIGITS];
-  uint8_t  digest[TC_SHA256_DIGEST_SIZE];
-  uint32_t dig32[NUM_ECC_DIGITS];
+	int rc;
+	int exp_rc;
+	char tmp;
 
-  int rc;
-  int exp_rc;
-  char tmp;
+	uint8_t msg[BUF_SIZE];
+	size_t msglen;
 
-  uint8_t msg[BUF_SIZE];
-  size_t msglen;
+	for (int i = 0; i < tests; i++) {
 
-  for (int i=0; i<tests; i++) {
+		string2scalar(pub, NUM_ECC_WORDS, qx_vec[i]);
+		string2scalar(pub + NUM_ECC_WORDS, NUM_ECC_WORDS, qy_vec[i]);
+		string2scalar(sig, NUM_ECC_WORDS, r_vec[i]);
+		string2scalar(sig + NUM_ECC_WORDS, NUM_ECC_WORDS, s_vec[i]);
 
-    string2scalar(pub.x, NUM_ECC_DIGITS, qx_vec[i]);
-    string2scalar(pub.y, NUM_ECC_DIGITS, qy_vec[i]);
-    string2scalar(r, NUM_ECC_DIGITS, r_vec[i]);
-    string2scalar(s, NUM_ECC_DIGITS, s_vec[i]);
+		if (2 != sscanf(res_vec[i], "%c (%d ", &tmp, &exp_rc)) {
+			TC_ERROR("Error: failed to parse CAVP response.\n");
+			result = TC_FAIL;
+			goto exitTest1;
+		}
 
-    if (2 != sscanf(res_vec[i], "%c (%d ", &tmp, &exp_rc)) {
-      printf("Error: failed to parse CAVP response.\n");
-      exit(-1);
-    }
+		/* validate ECDSA: hash message, verify r+s */
+		msglen = hex2bin(msg, BUF_SIZE, msg_vec[i], strlen(msg_vec[i]));
 
-    // validate ECDSA: hash message, verify r+s
-    msglen = hex2bin(msg, BUF_SIZE, msg_vec[i], strlen(msg_vec[i]));
+		if (msglen == false) {
+			TC_ERROR("failed to import message!\n");
+			result = TC_FAIL;
+			goto exitTest1;
+		}
 
-    if (msglen == false) {
-      printf("failed to import message!\n");
-      exit(-1);
-    }
+		tc_sha256_init(hash);
+		tc_sha256_update(hash, msg, msglen);
+		tc_sha256_final(digest_bytes, hash);
 
-    tc_sha256_init(hash);
-    tc_sha256_update(hash, msg, msglen);
-    tc_sha256_final(digest, hash);
+		/* if digest larger than ECC scalar, drop the end
+		 * if digest smaller than ECC scalar, zero-pad front */
+		int hash_dwords = TC_SHA256_DIGEST_SIZE / 4;
+		if (NUM_ECC_WORDS < hash_dwords) {
+			hash_dwords = NUM_ECC_WORDS;
+		}
 
-    // if digest larger than ECC scalar, drop the end
-    // if digest smaller than ECC scalar, zero-pad front
-    int hash_dwords = TC_SHA256_DIGEST_SIZE/4;
-    if (NUM_ECC_DIGITS < hash_dwords)
-      hash_dwords=NUM_ECC_DIGITS;
+		memset(digest, 0, NUM_ECC_BYTES - 4 * hash_dwords);
+		uECC_vli_bytesToNative(digest + (NUM_ECC_WORDS-hash_dwords), digest_bytes,
+				       TC_SHA256_DIGEST_SIZE);
 
-    memset(dig32, 0, NUM_ECC_BYTES-4*hash_dwords);
-    ecc_bytes2native(dig32+(NUM_ECC_DIGITS-hash_dwords), digest);
+		uECC_vli_nativeToBytes(pub_bytes, NUM_ECC_BYTES, pub);
+		uECC_vli_nativeToBytes(pub_bytes + NUM_ECC_BYTES, NUM_ECC_BYTES, 
+				       pub + NUM_ECC_WORDS);
 
-    // adapt return codes to match CAVP error..
-    if (0 != ecc_valid_public_key(&pub)) {
-      rc = 4; // error 4 - Q changed
-    } else {
-      rc = ecdsa_verify(&pub, dig32, r, s);
-      rc = !rc; // CAVP expects 0 for success, others for fail
-      if (exp_rc != 0 && rc != 0)
-        rc = exp_rc; // mimic CAVP code on errors..
-    }
+		/* adapt return codes to match CAVP error: */
+		if (0 != uECC_valid_public_key(pub_bytes, curve)) {
+			/* error 4 - Q changed */
+			rc = 4;
+		} else {
+			uECC_vli_nativeToBytes(sig_bytes, NUM_ECC_BYTES, sig);
+			uECC_vli_nativeToBytes(sig_bytes + NUM_ECC_BYTES, NUM_ECC_BYTES,
+					       sig + NUM_ECC_WORDS);
 
-    check_code(i, res_vec[i], exp_rc, rc, verbose);
-  }
+			rc = uECC_verify(pub_bytes, digest_bytes, sizeof(digest_bytes), sig_bytes,
+									 uECC_secp256r1());
+			/* CAVP expects 0 for success, others for fail */
+			rc = !rc; 
+			if (exp_rc != 0 && rc != 0) {
+				/* mimic CAVP code on errors. */
+				rc = exp_rc; 
+			}
+		}
+
+		result = check_code(i, res_vec[i], exp_rc, rc, verbose);
+		if(result == TC_FAIL) {
+		  goto exitTest1;
+		}
+	}
+ exitTest1:
+	TC_END_RESULT(result);
+	return result;
 }
 
-void cavp_verify(bool verbose) {
+int cavp_verify(bool verbose)
+{
 
-  /*
-   * [P-256,SHA-256]
-   */
-  char *Msg[] = {
-    "e4796db5f785f207aa30d311693b3702821dff1168fd2e04c0836825aefd850d9aa60326d8"
-    "8cde1a23c7745351392ca2288d632c264f197d05cd424a30336c19fd09bb229654f0222fcb"
-    "881a4b35c290a093ac159ce13409111ff0358411133c24f5b8e2090d6db6558afc36f06ca1"
-    "f6ef779785adba68db27a409859fc4c4a0",
-    "069a6e6b93dfee6df6ef6997cd80dd2182c36653cef10c655d524585655462d683877f95ec"
-    "c6d6c81623d8fac4e900ed0019964094e7de91f1481989ae1873004565789cbf5dc56c62ae"
-    "dc63f62f3b894c9c6f7788c8ecaadc9bd0e81ad91b2b3569ea12260e93924fdddd3972af52"
-    "73198f5efda0746219475017557616170e",
-    "df04a346cf4d0e331a6db78cca2d456d31b0a000aa51441defdb97bbeb20b94d8d746429a3"
-    "93ba88840d661615e07def615a342abedfa4ce912e562af714959896858af817317a840dcf"
-    "f85a057bb91a3c2bf90105500362754a6dd321cdd86128cfc5f04667b57aa78c112411e42d"
-    "a304f1012d48cd6a7052d7de44ebcc01de",
-    "e1130af6a38ccb412a9c8d13e15dbfc9e69a16385af3c3f1e5da954fd5e7c45fd75e2b8c36"
-    "699228e92840c0562fbf3772f07e17f1add56588dd45f7450e1217ad239922dd9c32695dc7"
-    "1ff2424ca0dec1321aa47064a044b7fe3c2b97d03ce470a592304c5ef21eed9f93da56bb23"
-    "2d1eeb0035f9bf0dfafdcc4606272b20a3",
-    "73c5f6a67456ae48209b5f85d1e7de7758bf235300c6ae2bdceb1dcb27a7730fb68c950b7f"
-    "cada0ecc4661d3578230f225a875e69aaa17f1e71c6be5c831f22663bac63d0c7a9635edb0"
-    "043ff8c6f26470f02a7bc56556f1437f06dfa27b487a6c4290d8bad38d4879b334e341ba09"
-    "2dde4e4ae694a9c09302e2dbf443581c08",
-    "666036d9b4a2426ed6585a4e0fd931a8761451d29ab04bd7dc6d0c5b9e38e6c2b263ff6cb8"
-    "37bd04399de3d757c6c7005f6d7a987063cf6d7e8cb38a4bf0d74a282572bd01d0f41e3fd0"
-    "66e3021575f0fa04f27b700d5b7ddddf50965993c3f9c7118ed78888da7cb221849b326059"
-    "2b8e632d7c51e935a0ceae15207bedd548",
-    "7e80436bce57339ce8da1b5660149a20240b146d108deef3ec5da4ae256f8f894edcbbc57b"
-    "34ce37089c0daa17f0c46cd82b5a1599314fd79d2fd2f446bd5a25b8e32fcf05b76d644573"
-    "a6df4ad1dfea707b479d97237a346f1ec632ea5660efb57e8717a8628d7f82af50a4e84b11"
-    "f21bdff6839196a880ae20b2a0918d58cd",
-    "1669bfb657fdc62c3ddd63269787fc1c969f1850fb04c933dda063ef74a56ce13e3a649700"
-    "820f0061efabf849a85d474326c8a541d99830eea8131eaea584f22d88c353965dabcdc4bf"
-    "6b55949fd529507dfb803ab6b480cd73ca0ba00ca19c438849e2cea262a1c57d8f81cd257f"
-    "b58e19dec7904da97d8386e87b84948169",
-    "3fe60dd9ad6caccf5a6f583b3ae65953563446c4510b70da115ffaa0ba04c076115c7043ab"
-    "8733403cd69c7d14c212c655c07b43a7c71b9a4cffe22c2684788ec6870dc2013f269172c8"
-    "22256f9e7cc674791bf2d8486c0f5684283e1649576efc982ede17c7b74b214754d70402fb"
-    "4bb45ad086cf2cf76b3d63f7fce39ac970",
-    "983a71b9994d95e876d84d28946a041f8f0a3f544cfcc055496580f1dfd4e312a2ad418fe6"
-    "9dbc61db230cc0c0ed97e360abab7d6ff4b81ee970a7e97466acfd9644f828ffec538abc38"
-    "3d0e92326d1c88c55e1f46a668a039beaa1be631a89129938c00a81a3ae46d4aecbf9707f7"
-    "64dbaccea3ef7665e4c4307fa0b0a3075c",
-    "4a8c071ac4fd0d52faa407b0fe5dab759f7394a5832127f2a3498f34aac287339e043b4ffa"
-    "79528faf199dc917f7b066ad65505dab0e11e6948515052ce20cfdb892ffb8aa9bf3f1aa5b"
-    "e30a5bbe85823bddf70b39fd7ebd4a93a2f75472c1d4f606247a9821f1a8c45a6cb80545de"
-    "2e0c6c0174e2392088c754e9c8443eb5af",
-    "0a3a12c3084c865daf1d302c78215d39bfe0b8bf28272b3c0b74beb4b7409db0718239de70"
-    "0785581514321c6440a4bbaea4c76fa47401e151e68cb6c29017f0bce4631290af5ea5e2bf"
-    "3ed742ae110b04ade83a5dbd7358f29a85938e23d87ac8233072b79c94670ff0959f9c7f45"
-    "17862ff829452096c78f5f2e9a7e4e9216",
-    "785d07a3c54f63dca11f5d1a5f496ee2c2f9288e55007e666c78b007d95cc28581dce51f49"
-    "0b30fa73dc9e2d45d075d7e3a95fb8a9e1465ad191904124160b7c60fa720ef4ef1c5d2998"
-    "f40570ae2a870ef3e894c2bc617d8a1dc85c3c55774928c38789b4e661349d3f84d2441a3b"
-    "856a76949b9f1f80bc161648a1cad5588e",
-    "76f987ec5448dd72219bd30bf6b66b0775c80b394851a43ff1f537f140a6e7229ef8cd72ad"
-    "58b1d2d20298539d6347dd5598812bc65323aceaf05228f738b5ad3e8d9fe4100fd767c2f0"
-    "98c77cb99c2992843ba3eed91d32444f3b6db6cd212dd4e5609548f4bb62812a920f6e2bf1"
-    "581be1ebeebdd06ec4e971862cc42055ca",
-    "60cd64b2cd2be6c33859b94875120361a24085f3765cb8b2bf11e026fa9d8855dbe435acf7"
-    "882e84f3c7857f96e2baab4d9afe4588e4a82e17a78827bfdb5ddbd1c211fbc2e6d884cddd"
-    "7cb9d90d5bf4a7311b83f352508033812c776a0e00c003c7e0d628e50736c7512df0acfa9f"
-    "2320bd102229f46495ae6d0857cc452a84",
-  };
+	/*
+	* [P-256,SHA-256]
+	*/
+	char *Msg[] = {
+		"e4796db5f785f207aa30d311693b3702821dff1168fd2e04c0836825aefd850d9aa60326d8"
+		"8cde1a23c7745351392ca2288d632c264f197d05cd424a30336c19fd09bb229654f0222fcb"
+		"881a4b35c290a093ac159ce13409111ff0358411133c24f5b8e2090d6db6558afc36f06ca1"
+		"f6ef779785adba68db27a409859fc4c4a0",
+		"069a6e6b93dfee6df6ef6997cd80dd2182c36653cef10c655d524585655462d683877f95ec"
+		"c6d6c81623d8fac4e900ed0019964094e7de91f1481989ae1873004565789cbf5dc56c62ae"
+		"dc63f62f3b894c9c6f7788c8ecaadc9bd0e81ad91b2b3569ea12260e93924fdddd3972af52"
+		"73198f5efda0746219475017557616170e",
+		"df04a346cf4d0e331a6db78cca2d456d31b0a000aa51441defdb97bbeb20b94d8d746429a3"
+		"93ba88840d661615e07def615a342abedfa4ce912e562af714959896858af817317a840dcf"
+		"f85a057bb91a3c2bf90105500362754a6dd321cdd86128cfc5f04667b57aa78c112411e42d"
+		"a304f1012d48cd6a7052d7de44ebcc01de",
+		"e1130af6a38ccb412a9c8d13e15dbfc9e69a16385af3c3f1e5da954fd5e7c45fd75e2b8c36"
+		"699228e92840c0562fbf3772f07e17f1add56588dd45f7450e1217ad239922dd9c32695dc7"
+		"1ff2424ca0dec1321aa47064a044b7fe3c2b97d03ce470a592304c5ef21eed9f93da56bb23"
+		"2d1eeb0035f9bf0dfafdcc4606272b20a3",
+		"73c5f6a67456ae48209b5f85d1e7de7758bf235300c6ae2bdceb1dcb27a7730fb68c950b7f"
+		"cada0ecc4661d3578230f225a875e69aaa17f1e71c6be5c831f22663bac63d0c7a9635edb0"
+		"043ff8c6f26470f02a7bc56556f1437f06dfa27b487a6c4290d8bad38d4879b334e341ba09"
+		"2dde4e4ae694a9c09302e2dbf443581c08",
+		"666036d9b4a2426ed6585a4e0fd931a8761451d29ab04bd7dc6d0c5b9e38e6c2b263ff6cb8"
+		"37bd04399de3d757c6c7005f6d7a987063cf6d7e8cb38a4bf0d74a282572bd01d0f41e3fd0"
+		"66e3021575f0fa04f27b700d5b7ddddf50965993c3f9c7118ed78888da7cb221849b326059"
+		"2b8e632d7c51e935a0ceae15207bedd548",
+		"7e80436bce57339ce8da1b5660149a20240b146d108deef3ec5da4ae256f8f894edcbbc57b"
+		"34ce37089c0daa17f0c46cd82b5a1599314fd79d2fd2f446bd5a25b8e32fcf05b76d644573"
+		"a6df4ad1dfea707b479d97237a346f1ec632ea5660efb57e8717a8628d7f82af50a4e84b11"
+		"f21bdff6839196a880ae20b2a0918d58cd",
+		"1669bfb657fdc62c3ddd63269787fc1c969f1850fb04c933dda063ef74a56ce13e3a649700"
+		"820f0061efabf849a85d474326c8a541d99830eea8131eaea584f22d88c353965dabcdc4bf"
+		"6b55949fd529507dfb803ab6b480cd73ca0ba00ca19c438849e2cea262a1c57d8f81cd257f"
+		"b58e19dec7904da97d8386e87b84948169",
+		"3fe60dd9ad6caccf5a6f583b3ae65953563446c4510b70da115ffaa0ba04c076115c7043ab"
+		"8733403cd69c7d14c212c655c07b43a7c71b9a4cffe22c2684788ec6870dc2013f269172c8"
+		"22256f9e7cc674791bf2d8486c0f5684283e1649576efc982ede17c7b74b214754d70402fb"
+		"4bb45ad086cf2cf76b3d63f7fce39ac970",
+		"983a71b9994d95e876d84d28946a041f8f0a3f544cfcc055496580f1dfd4e312a2ad418fe6"
+		"9dbc61db230cc0c0ed97e360abab7d6ff4b81ee970a7e97466acfd9644f828ffec538abc38"
+		"3d0e92326d1c88c55e1f46a668a039beaa1be631a89129938c00a81a3ae46d4aecbf9707f7"
+		"64dbaccea3ef7665e4c4307fa0b0a3075c",
+		"4a8c071ac4fd0d52faa407b0fe5dab759f7394a5832127f2a3498f34aac287339e043b4ffa"
+		"79528faf199dc917f7b066ad65505dab0e11e6948515052ce20cfdb892ffb8aa9bf3f1aa5b"
+		"e30a5bbe85823bddf70b39fd7ebd4a93a2f75472c1d4f606247a9821f1a8c45a6cb80545de"
+		"2e0c6c0174e2392088c754e9c8443eb5af",
+		"0a3a12c3084c865daf1d302c78215d39bfe0b8bf28272b3c0b74beb4b7409db0718239de70"
+		"0785581514321c6440a4bbaea4c76fa47401e151e68cb6c29017f0bce4631290af5ea5e2bf"
+		"3ed742ae110b04ade83a5dbd7358f29a85938e23d87ac8233072b79c94670ff0959f9c7f45"
+		"17862ff829452096c78f5f2e9a7e4e9216",
+		"785d07a3c54f63dca11f5d1a5f496ee2c2f9288e55007e666c78b007d95cc28581dce51f49"
+		"0b30fa73dc9e2d45d075d7e3a95fb8a9e1465ad191904124160b7c60fa720ef4ef1c5d2998"
+		"f40570ae2a870ef3e894c2bc617d8a1dc85c3c55774928c38789b4e661349d3f84d2441a3b"
+		"856a76949b9f1f80bc161648a1cad5588e",
+		"76f987ec5448dd72219bd30bf6b66b0775c80b394851a43ff1f537f140a6e7229ef8cd72ad"
+		"58b1d2d20298539d6347dd5598812bc65323aceaf05228f738b5ad3e8d9fe4100fd767c2f0"
+		"98c77cb99c2992843ba3eed91d32444f3b6db6cd212dd4e5609548f4bb62812a920f6e2bf1"
+		"581be1ebeebdd06ec4e971862cc42055ca",
+		"60cd64b2cd2be6c33859b94875120361a24085f3765cb8b2bf11e026fa9d8855dbe435acf7"
+		"882e84f3c7857f96e2baab4d9afe4588e4a82e17a78827bfdb5ddbd1c211fbc2e6d884cddd"
+		"7cb9d90d5bf4a7311b83f352508033812c776a0e00c003c7e0d628e50736c7512df0acfa9f"
+		"2320bd102229f46495ae6d0857cc452a84",
+	};
 
-  char *Qx[] = {
-      "87f8f2b218f49845f6f10eec3877136269f5c1a54736dbdf69f89940cad41555",
-      "5cf02a00d205bdfee2016f7421807fc38ae69e6b7ccd064ee689fc1a94a9f7d2",
-      "2ddfd145767883ffbb0ac003ab4a44346d08fa2570b3120dcce94562422244cb",
-      "e424dc61d4bb3cb7ef4344a7f8957a0c5134e16f7a67c074f82e6e12f49abf3c",
-      "e0fc6a6f50e1c57475673ee54e3a57f9a49f3328e743bf52f335e3eeaa3d2864",
-      "a849bef575cac3c6920fbce675c3b787136209f855de19ffe2e8d29b31a5ad86",
-      "3dfb6f40f2471b29b77fdccba72d37c21bba019efa40c1c8f91ec405d7dcc5df",
-      "69b7667056e1e11d6caf6e45643f8b21e7a4bebda463c7fdbc13bc98efbd0214",
-      "bf02cbcf6d8cc26e91766d8af0b164fc5968535e84c158eb3bc4e2d79c3cc682",
-      "224a4d65b958f6d6afb2904863efd2a734b31798884801fcab5a590f4d6da9de",
-      "43691c7795a57ead8c5c68536fe934538d46f12889680a9cb6d055a066228369",
-      "9157dbfcf8cf385f5bb1568ad5c6e2a8652ba6dfc63bc1753edf5268cb7eb596",
-      "072b10c081a4c1713a294f248aef850e297991aca47fa96a7470abe3b8acfdda",
-      "09308ea5bfad6e5adf408634b3d5ce9240d35442f7fe116452aaec0d25be8c24",
-      "2d98ea01f754d34bbc3003df5050200abf445ec728556d7ed7d5c54c55552b6d",
-  };
+	char *Qx[] = {
+		"87f8f2b218f49845f6f10eec3877136269f5c1a54736dbdf69f89940cad41555",
+		"5cf02a00d205bdfee2016f7421807fc38ae69e6b7ccd064ee689fc1a94a9f7d2",
+		"2ddfd145767883ffbb0ac003ab4a44346d08fa2570b3120dcce94562422244cb",
+		"e424dc61d4bb3cb7ef4344a7f8957a0c5134e16f7a67c074f82e6e12f49abf3c",
+		"e0fc6a6f50e1c57475673ee54e3a57f9a49f3328e743bf52f335e3eeaa3d2864",
+		"a849bef575cac3c6920fbce675c3b787136209f855de19ffe2e8d29b31a5ad86",
+		"3dfb6f40f2471b29b77fdccba72d37c21bba019efa40c1c8f91ec405d7dcc5df",
+		"69b7667056e1e11d6caf6e45643f8b21e7a4bebda463c7fdbc13bc98efbd0214",
+		"bf02cbcf6d8cc26e91766d8af0b164fc5968535e84c158eb3bc4e2d79c3cc682",
+		"224a4d65b958f6d6afb2904863efd2a734b31798884801fcab5a590f4d6da9de",
+		"43691c7795a57ead8c5c68536fe934538d46f12889680a9cb6d055a066228369",
+		"9157dbfcf8cf385f5bb1568ad5c6e2a8652ba6dfc63bc1753edf5268cb7eb596",
+		"072b10c081a4c1713a294f248aef850e297991aca47fa96a7470abe3b8acfdda",
+		"09308ea5bfad6e5adf408634b3d5ce9240d35442f7fe116452aaec0d25be8c24",
+		"2d98ea01f754d34bbc3003df5050200abf445ec728556d7ed7d5c54c55552b6d",
+	};
 
-  char *Qy[] = {
-      "e15f369036f49842fac7a86c8a2b0557609776814448b8f5e84aa9f4395205e9",
-      "ec530ce3cc5c9d1af463f264d685afe2b4db4b5828d7e61b748930f3ce622a85",
-      "5f70c7d11ac2b7a435ccfbbae02c3df1ea6b532cc0e9db74f93fffca7c6f9a64",
-      "970eed7aa2bc48651545949de1dddaf0127e5965ac85d1243d6f60e7dfaee927",
-      "7f59d689c91e463607d9194d99faf316e25432870816dde63f5d4b373f12f22a",
-      "bf5fe4f7858f9b805bd8dcc05ad5e7fb889de2f822f3d8b41694e6c55c16b471",
-      "f22f953f1e395a52ead7f3ae3fc47451b438117b1e04d613bc8555b7d6e6d1bb",
-      "d3f9b12eb46c7c6fda0da3fc85bc1fd831557f9abc902a3be3cb3e8be7d1aa2f",
-      "069ba6cb06b49d60812066afa16ecf7b51352f2c03bd93ec220822b1f3dfba03",
-      "178d51fddada62806f097aa615d33b8f2404e6b1479f5fd4859d595734d6d2b9",
-      "f8790110b3c3b281aa1eae037d4f1234aff587d903d93ba3af225c27ddc9ccac",
-      "972570f4313d47fc96f7c02d5594d77d46f91e949808825b3d31f029e8296405",
-      "9581145cca04a0fb94cedce752c8f0370861916d2a94e7c647c5373ce6a4c8f5",
-      "f40c93e023ef494b1c3079b2d10ef67f3170740495ce2cc57f8ee4b0618b8ee5",
-      "9b52672742d637a32add056dfd6d8792f2a33c2e69dafabea09b960bc61e230a",
-  };
+	char *Qy[] = {
+		"e15f369036f49842fac7a86c8a2b0557609776814448b8f5e84aa9f4395205e9",
+		"ec530ce3cc5c9d1af463f264d685afe2b4db4b5828d7e61b748930f3ce622a85",
+		"5f70c7d11ac2b7a435ccfbbae02c3df1ea6b532cc0e9db74f93fffca7c6f9a64",
+		"970eed7aa2bc48651545949de1dddaf0127e5965ac85d1243d6f60e7dfaee927",
+		"7f59d689c91e463607d9194d99faf316e25432870816dde63f5d4b373f12f22a",
+		"bf5fe4f7858f9b805bd8dcc05ad5e7fb889de2f822f3d8b41694e6c55c16b471",
+		"f22f953f1e395a52ead7f3ae3fc47451b438117b1e04d613bc8555b7d6e6d1bb",
+		"d3f9b12eb46c7c6fda0da3fc85bc1fd831557f9abc902a3be3cb3e8be7d1aa2f",
+		"069ba6cb06b49d60812066afa16ecf7b51352f2c03bd93ec220822b1f3dfba03",
+		"178d51fddada62806f097aa615d33b8f2404e6b1479f5fd4859d595734d6d2b9",
+		"f8790110b3c3b281aa1eae037d4f1234aff587d903d93ba3af225c27ddc9ccac",
+		"972570f4313d47fc96f7c02d5594d77d46f91e949808825b3d31f029e8296405",
+		"9581145cca04a0fb94cedce752c8f0370861916d2a94e7c647c5373ce6a4c8f5",
+		"f40c93e023ef494b1c3079b2d10ef67f3170740495ce2cc57f8ee4b0618b8ee5",
+		"9b52672742d637a32add056dfd6d8792f2a33c2e69dafabea09b960bc61e230a",
+	};
 
-  char *R[] = {
-      "d19ff48b324915576416097d2544f7cbdf8768b1454ad20e0baac50e211f23b0",
-      "dc23d130c6117fb5751201455e99f36f59aba1a6a21cf2d0e7481a97451d6693",
-      "9913111cff6f20c5bf453a99cd2c2019a4e749a49724a08774d14e4c113edda8",
-      "bf96b99aa49c705c910be33142017c642ff540c76349b9dab72f981fd9347f4f",
-      "1d75830cd36f4c9aa181b2c4221e87f176b7f05b7c87824e82e396c88315c407",
-      "25acc3aa9d9e84c7abf08f73fa4195acc506491d6fc37cb9074528a7db87b9d6",
-      "548886278e5ec26bed811dbb72db1e154b6f17be70deb1b210107decb1ec2a5a",
-      "288f7a1cd391842cce21f00e6f15471c04dc182fe4b14d92dc18910879799790",
-      "f5acb06c59c2b4927fb852faa07faf4b1852bbb5d06840935e849c4d293d1bad",
-      "87b93ee2fecfda54deb8dff8e426f3c72c8864991f8ec2b3205bb3b416de93d2",
-      "8acd62e8c262fa50dd9840480969f4ef70f218ebf8ef9584f199031132c6b1ce",
-      "dfaea6f297fa320b707866125c2a7d5d515b51a503bee817de9faa343cc48eeb",
-      "09f5483eccec80f9d104815a1be9cc1a8e5b12b6eb482a65c6907b7480cf4f19",
-      "5cc8aa7c35743ec0c23dde88dabd5e4fcd0192d2116f6926fef788cddb754e73",
-      "06108e525f845d0155bf60193222b3219c98e3d49424c2fb2a0987f825c17959",
-  };
+	char *R[] = {
+		"d19ff48b324915576416097d2544f7cbdf8768b1454ad20e0baac50e211f23b0",
+		"dc23d130c6117fb5751201455e99f36f59aba1a6a21cf2d0e7481a97451d6693",
+		"9913111cff6f20c5bf453a99cd2c2019a4e749a49724a08774d14e4c113edda8",
+		"bf96b99aa49c705c910be33142017c642ff540c76349b9dab72f981fd9347f4f",
+		"1d75830cd36f4c9aa181b2c4221e87f176b7f05b7c87824e82e396c88315c407",
+		"25acc3aa9d9e84c7abf08f73fa4195acc506491d6fc37cb9074528a7db87b9d6",
+		"548886278e5ec26bed811dbb72db1e154b6f17be70deb1b210107decb1ec2a5a",
+		"288f7a1cd391842cce21f00e6f15471c04dc182fe4b14d92dc18910879799790",
+		"f5acb06c59c2b4927fb852faa07faf4b1852bbb5d06840935e849c4d293d1bad",
+		"87b93ee2fecfda54deb8dff8e426f3c72c8864991f8ec2b3205bb3b416de93d2",
+		"8acd62e8c262fa50dd9840480969f4ef70f218ebf8ef9584f199031132c6b1ce",
+		"dfaea6f297fa320b707866125c2a7d5d515b51a503bee817de9faa343cc48eeb",
+		"09f5483eccec80f9d104815a1be9cc1a8e5b12b6eb482a65c6907b7480cf4f19",
+		"5cc8aa7c35743ec0c23dde88dabd5e4fcd0192d2116f6926fef788cddb754e73",
+		"06108e525f845d0155bf60193222b3219c98e3d49424c2fb2a0987f825c17959",
+	};
 
-  char *Result[] = {
-      "F (3 - S changed)", "F (2 - R changed)",       "F (4 - Q changed)",
-      "P (0 )",            "P (0 )",                  "F (2 - R changed)",
-      "F (4 - Q changed)", "F (1 - Message changed)", "F (3 - S changed)",
-      "F (2 - R changed)", "F (3 - S changed)",       "F (1 - Message changed)",
-      "F (4 - Q changed)", "F (1 - Message changed)", "P (0 )",
-  };
+	char *Result[] = {
+		"F (3 - S changed)", "F (2 - R changed)",       "F (4 - Q changed)",
+		"P (0 )",            "P (0 )",                  "F (2 - R changed)",
+		"F (4 - Q changed)", "F (1 - Message changed)", "F (3 - S changed)",
+		"F (2 - R changed)", "F (3 - S changed)",       "F (1 - Message changed)",
+		"F (4 - Q changed)", "F (1 - Message changed)", "P (0 )",
+	};
 
-  char *S[] = {
-      "a3e81e59311cdfff2d4784949f7a2cb50ba6c3a91fa54710568e61aca3e847c6",
-      "d6ce7708c18dbf35d4f8aa7240922dc6823f2e7058cbc1484fcad1599db5018c",
-      "9467cd4cd21ecb56b0cab0a9a453b43386845459127a952421f5c6382866c5cc",
-      "17c55095819089c2e03b9cd415abdf12444e323075d98f31920b9e0f57ec871c",
-      "cb2acb01dac96efc53a32d4a0d85d0c2e48955214783ecf50a4f0414a319c05a",
-      "9b21d5b5259ed3f2ef07dfec6cc90d3a37855d1ce122a85ba6a333f307d31537",
-      "e93bfebd2f14f3d827ca32b464be6e69187f5edbd52def4f96599c37d58eee75",
-      "247b3c4e89a3bcadfea73c7bfd361def43715fa382b8c3edf4ae15d6e55e9979",
-      "049dab79c89cc02f1484c437f523e080a75f134917fda752f2d5ca397addfe5d",
-      "4044a24df85be0cc76f21a4430b75b8e77b932a87f51e4eccbc45c263ebf8f66",
-      "cfca7ed3d4347fb2a29e526b43c348ae1ce6c60d44f3191b6d8ea3a2d9c92154",
-      "8f780ad713f9c3e5a4f7fa4c519833dfefc6a7432389b1e4af463961f09764f2",
-      "a4f90e560c5e4eb8696cb276e5165b6a9d486345dedfb094a76e8442d026378d",
-      "9c9c045ebaa1b828c32f82ace0d18daebf5e156eb7cbfdc1eff4399a8a900ae7",
-      "62b5cdd591e5b507e560167ba8f6f7cda74673eb315680cb89ccbc4eec477dce",
-  };
+	char *S[] = {
+		"a3e81e59311cdfff2d4784949f7a2cb50ba6c3a91fa54710568e61aca3e847c6",
+		"d6ce7708c18dbf35d4f8aa7240922dc6823f2e7058cbc1484fcad1599db5018c",
+		"9467cd4cd21ecb56b0cab0a9a453b43386845459127a952421f5c6382866c5cc",
+		"17c55095819089c2e03b9cd415abdf12444e323075d98f31920b9e0f57ec871c",
+		"cb2acb01dac96efc53a32d4a0d85d0c2e48955214783ecf50a4f0414a319c05a",
+		"9b21d5b5259ed3f2ef07dfec6cc90d3a37855d1ce122a85ba6a333f307d31537",
+		"e93bfebd2f14f3d827ca32b464be6e69187f5edbd52def4f96599c37d58eee75",
+		"247b3c4e89a3bcadfea73c7bfd361def43715fa382b8c3edf4ae15d6e55e9979",
+		"049dab79c89cc02f1484c437f523e080a75f134917fda752f2d5ca397addfe5d",
+		"4044a24df85be0cc76f21a4430b75b8e77b932a87f51e4eccbc45c263ebf8f66",
+		"cfca7ed3d4347fb2a29e526b43c348ae1ce6c60d44f3191b6d8ea3a2d9c92154",
+		"8f780ad713f9c3e5a4f7fa4c519833dfefc6a7432389b1e4af463961f09764f2",
+		"a4f90e560c5e4eb8696cb276e5165b6a9d486345dedfb094a76e8442d026378d",
+		"9c9c045ebaa1b828c32f82ace0d18daebf5e156eb7cbfdc1eff4399a8a900ae7",
+		"62b5cdd591e5b507e560167ba8f6f7cda74673eb315680cb89ccbc4eec477dce",
+	};
 
-  struct tc_sha256_state_struct sha256_ctx;
+	struct tc_sha256_state_struct sha256_ctx;
 
-  printf("Test #2: ECDSAvrfy ");
-  printf("NIST-p256, SHA2-256\n");
+	printf("Test #2: ECDSAvrfy ");
+	printf("NIST-p256, SHA2-256\n");
 
-  vrfy_vectors(
-      &sha256_ctx,
-      Msg,
-      Qx,
-      Qy,
-      R,
-      S,
-      Result,
-      15,
-      verbose);
+	return vrfy_vectors(&sha256_ctx, Msg, Qx, Qy, R, S, Result, 15, verbose);
 }
 
-int randfd;
+int montecarlo_signverify(int num_tests, bool verbose)
+{
+	printf("Test #3: Monte Carlo (%d Randomized EC-DSA signatures) ", num_tests);
+	printf("NIST-p256, SHA2-256\n  ");
+	int i;
+	uint8_t private[NUM_ECC_BYTES];
+	uint8_t public[2*NUM_ECC_BYTES];
+	uint8_t hash[NUM_ECC_BYTES];
+	unsigned int hash_words[NUM_ECC_WORDS];
+	uint8_t sig[2*NUM_ECC_BYTES];
 
-void montecarlo_signverify(uint32_t num, bool verbose) {
+	const struct uECC_Curve_t * curve = uECC_secp256r1();
 
-  printf("Test #3: Monte Carlo (Randomized EC-DSA signatures) ");
-  printf("NIST-p256, SHA2-256\n");
+	for (i = 0; i < num_tests; ++i) {
+		if (verbose) {
+			TC_PRINT(".");
+			fflush(stdout);
+		}
 
-  EccPoint l_public;
-  uint32_t l_private[NUM_ECC_DIGITS];
+		uECC_generate_random_int(hash_words, curve->n, BITS_TO_WORDS(curve->num_n_bits));
+		uECC_vli_nativeToBytes(hash, NUM_ECC_BYTES, hash_words);
 
-  uint32_t l_hash[NUM_ECC_DIGITS];
-  uint32_t l_random[2 * NUM_ECC_DIGITS];
+		if (!uECC_make_key(public, private, curve)) {
+			TC_ERROR("uECC_make_key() failed\n");
+			return TC_FAIL;
+		}
 
-  uint32_t r[NUM_ECC_DIGITS];
-  uint32_t s[NUM_ECC_DIGITS];
+		if (!uECC_sign(private, hash, sizeof(hash), sig, curve)) {
+			TC_ERROR("uECC_sign() failed\n");
+			return TC_FAIL;
+		}
 
-  randfd = open("/dev/urandom", O_RDONLY);
-  if(randfd == -1) {
-    printf("No access to urandom\n");
-    exit(-1);
-  }
-
-  for(uint32_t i=0; i<num; ++i) {
-
-    getRandomBytes((char *)l_random, sizeof(l_random));
-    ecc_make_key(&l_public, l_private, l_random);
-
-    getRandomBytes((char *)l_hash, sizeof(l_hash));
-    getRandomBytes((char *)l_random, sizeof(l_random));
-
-    if(!ecdsa_sign(r, s, l_private, l_random, l_hash)) {
-      printf("ecdsa_sign() failed\n");
-      exit(-1);
-    }
-
-    if(ecc_valid_public_key(&l_public) != 0) {
-      printf("Not a valid public key!\n");
-      exit(-1);
-    }
-
-    if(!ecdsa_verify(&l_public, l_hash, r, s)) {
-      printf("ecdsa_verify() failed\n");
-      exit(-1);
-    }
-
-    if (verbose) {
-      fflush(stdout);
-      printf(".");
-    }
-  }
-  printf("\n");
+		if (!uECC_verify(public, hash, sizeof(hash), sig, curve)) {
+			TC_ERROR("uECC_verify() failed\n");
+			return TC_FAIL;
+		}
+		if (verbose) {
+			fflush(stdout);
+			printf(".");
+		}
+	}
+	TC_PRINT("\n");
+	return TC_PASS;
 }
 
-int main() {
+int main()
+{
+	unsigned int result = TC_PASS;
 
-  bool verbose = true;
+	TC_START("Performing ECC-DSA tests:");
+	/* Setup of the Cryptographically Secure PRNG. */
+	uECC_set_rng(&default_CSPRNG);
 
-  cavp_sign(verbose);
-  cavp_verify(verbose);
-  montecarlo_signverify(10, verbose);
+	bool verbose = true;
 
-  printf("\nAll ECC-DSA tests succeeded.\n");
+	TC_PRINT("Performing cavp_sign test:\n");
+	result = cavp_sign(verbose);
+	if (result == TC_FAIL) { /* terminate test */
+		TC_ERROR("cavp_sign test failed.\n");
+		goto exitTest;
+	}
+	TC_PRINT("Performing cavp_verify test:\n");
+	result = cavp_verify(verbose);
+	if (result == TC_FAIL) {
+		TC_ERROR("cavp_verify test failed.\n");
+		goto exitTest;
+	}
+	TC_PRINT("Performing montecarlo_signverify test:\n");
+	result = montecarlo_signverify(10, verbose);
+	if (result == TC_FAIL) {
+		TC_ERROR("montecarlo_signverify test failed.\n");
+	goto exitTest;
+	}
 
-  return 0;
+	TC_PRINT("\nAll ECC-DSA tests succeeded.\n");
+
+ exitTest:
+        TC_END_RESULT(result);
+        TC_END_REPORT(result);
 }
diff --git a/ext/tinycrypt/tests/test_ecc_utils.c b/ext/tinycrypt/tests/test_ecc_utils.c
index a635ebe..5c81eba 100644
--- a/ext/tinycrypt/tests/test_ecc_utils.c
+++ b/ext/tinycrypt/tests/test_ecc_utils.c
@@ -1,7 +1,30 @@
 /* test_ecc_utils.c - TinyCrypt common functions for ECC tests */
 
+/* Copyright (c) 2014, Kenneth MacKay
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  * Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.*/
+
 /*
- *  Copyright (C) 2015 by Intel Corporation, All Rights Reserved.
+ *  Copyright (C) 2017 by Intel Corporation, All Rights Reserved.
  *
  *  Redistribution and use in source and binary forms, with or without
  *  modification, are permitted provided that the following conditions are met:
@@ -32,8 +55,7 @@
  *  test_ecc_utils.c -- Implementation of some common functions for ECC tests.
  *
  */
-#include <tinycrypt/ecc.h>
-#include <tinycrypt/ecc_dh.h>
+
 #include <test_ecc_utils.h>
 #include <tinycrypt/constants.h>
 
@@ -41,190 +63,209 @@
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
+#include <fcntl.h>
+#include <stdbool.h>
+#include <unistd.h>
 
-extern int randfd;
+int hex2int (char hex)
+{
+	uint8_t dec;
 
-void getRandomBytes(void *p_dest, unsigned p_size) {
-  if(read(randfd, p_dest, p_size) != (int)p_size) {
-    printf("Failed to get random bytes.\n");
-  }
-}
+	if ('0' <= hex && hex <= '9') dec = hex - '0';
+	else if ('a' <= hex && hex <= 'f') dec = hex - 'a' + 10;
+	else if ('A' <= hex && hex <= 'F') dec = hex - 'A' + 10;
+	else return -1;
 
-int hex2int (char hex) {
-  uint8_t dec;
-
-  if ('0' <= hex && hex <= '9') dec = hex - '0';
-  else if ('a' <= hex && hex <= 'f') dec = hex - 'a' + 10;
-  else if ('A' <= hex && hex <= 'F') dec = hex - 'A' + 10;
-  else return -1;
-
-  return dec;
+	return dec;
 }
 
 /*
  * Convert hex string to byte string
  * Return number of bytes written to buf, or 0 on error
  */
-int hex2bin(
-    uint8_t *buf,
-    const size_t buflen,
-    const char *hex,
-    const size_t hexlen) {
+int hex2bin(uint8_t *buf, const size_t buflen, const char *hex,
+	    const size_t hexlen)
+{
 
-  int dec;
+	int dec;
 
-  if (buflen < hexlen/2 + hexlen%2)
-    return false;
+	if (buflen < hexlen / 2 + hexlen % 2)
+	{
+		return false;
+	}
 
-  // if hexlen is uneven, insert leading zero nibble
-  if (hexlen%2) {
-    dec = hex2int(hex[0]);
-    if (dec == -1)
-      return false;
-    buf[0] = dec;
-    buf++;
-    hex++;
-  }
+	/* if hexlen is uneven, insert leading zero nibble */
+	if (hexlen % 2)
+	{
+		dec = hex2int(hex[0]);
+		if (dec == -1)
+			return false;
+		buf[0] = dec;
+		buf++;
+		hex++;
+	}
 
-  // regular hex conversion
-  for (size_t i = 0; i<hexlen/2; i++) {
-    dec = hex2int(hex[2*i]);
-    if (dec == -1)
-      return false;
-    buf[i] = dec << 4;
+	/* regular hex conversion */
+	for (size_t i = 0; i < hexlen / 2; i++)
+	{
+		dec = hex2int(hex[2 * i]);
+		if (dec == -1)
+		{
+			return false;
+		}
+		buf[i] = dec << 4;
 
-    dec = hex2int(hex[2*i+1]);
-    if (dec == -1)
-      return false;
-    buf[i] += dec;
-  }
-  return hexlen/2 + hexlen%2;
+		dec = hex2int(hex[ 2 * i + 1]);
+		if (dec == -1)
+		{
+			return false;
+		}
+		buf[i] += dec;
+	}
+	return hexlen / 2 + hexlen % 2;
 }
 
 /*
  * Convert hex string to zero-padded nanoECC scalar
  */
-void string2scalar(uint32_t * scalar, uint32_t num_word32, char *str) {
+void string2scalar(unsigned int *scalar, unsigned int num_word32, char *str)
+{
 
-  uint32_t num_bytes = 4*num_word32;
-  uint8_t tmp[num_bytes];
-  size_t hexlen = strlen(str);
+	unsigned int num_bytes = 4 * num_word32;
+	uint8_t tmp[num_bytes];
+	size_t hexlen = strlen(str);
 
-  int padding;
+	int padding;
 
-  if (0 > (padding = 2*num_bytes - strlen(str))) {
-    printf(
-        "Error: 2*num_bytes(%u) < strlen(hex) (%zu)\n",
-        2*num_bytes,
-        strlen(str));
-    exit(-1);
-  }
+	if (0 > (padding = 2 * num_bytes - strlen(str)))
+	{
+		printf("Error: 2 * num_bytes(%d) < strlen(hex) (%zu)\n",
+		       2 * num_bytes, strlen(str));
+		exit(-1);
+	}
 
-  memset(tmp, 0, padding/2);
+	memset(tmp, 0, padding / 2);
 
-  if (false == hex2bin(tmp+padding/2, num_bytes, str, hexlen))
-    exit(-1);
-  ecc_bytes2native(scalar, tmp);
+	if (false == hex2bin(tmp + padding / 2, num_bytes, str, hexlen))
+	{
+		exit(-1);
+	}
+	uECC_vli_bytesToNative(scalar, tmp, num_bytes);
 
 }
 
-void vli_print(uint32_t *p_vli, unsigned int p_size) {
-    while(p_size) {
-        printf("%08X ", (unsigned)p_vli[p_size - 1]);
-        --p_size;
-    }
+void vli_print_bytes(uint8_t *vli, unsigned int size)
+{
+	for(unsigned i = 0; i < size; ++i)
+	{
+		printf("%02X ", (unsigned)vli[i]);
+	}
 }
 
-void print_ecc_scalar(
-    const char *label,
-    const uint32_t * p_vli,
-    uint32_t num_word32) {
-  uint32_t i;
+void print_ecc_scalar(const char *label, const unsigned int * p_vli,
+		      unsigned int num_word32)
+{
+	unsigned int i;
 
-  if (label)
-    printf("%s = { ", label);
+	if (label) {
+		printf("%s = { ", label);
+	}
 
-  for(i=0; i<num_word32-1; ++i)
-    printf("0x%08lX, ", (unsigned long)p_vli[i]);
-  printf("0x%08lX", (unsigned long)p_vli[i]);
+	for(i = 0; i < num_word32 - 1; ++i) {
+		printf("0x%08lX, ", (unsigned long)p_vli[i]);
+	}
+	printf("0x%08lX", (unsigned long)p_vli[i]);
 
-  if (label)
-    printf(" };\n");
+	if (label) {
+		printf(" };\n");
+	}
 }
 
-void check_code(const int num,
-    const char *name,
-    const int expected,
-    const int computed,
-    const int verbose) {
-
-  if (expected != computed) {
-    printf("\n  Vector #%02d check %s - FAILURE:\n", num, name);
-    printf("\n  Expected: %d, computed: %d\n\n", expected, computed);
-    exit(-1);
-  }
-
-  if (verbose)
-    printf("  Vector #%02d check %s - success (%d=%d)\n",
-        num,
-        name,
-        expected,
-        computed);
-
-}
-
-void check_ecc_result(const int num, const char *name,
-    const uint32_t *expected,
-    const uint32_t *computed,
-    const uint32_t num_word32,
-    const bool verbose) {
-
-  uint32_t num_bytes = 4*num_word32;
+int check_ecc_result(const int num, const char *name,
+		      const unsigned int *expected, 
+		      const unsigned int *computed,
+		      const unsigned int num_word32, const bool verbose)
+{
+  uint32_t num_bytes = 4 * num_word32;
   if (memcmp(computed, expected, num_bytes)) {
-    printf("\n  Vector #%02d check %s - FAILURE:\n\n", num, name);
+    TC_PRINT("\n  Vector #%02d check %s - FAILURE:\n\n", num, name);
     print_ecc_scalar("Expected", expected, num_word32);
     print_ecc_scalar("Computed", computed, num_word32);
-    printf("\n");
-    exit(-1);
+    TC_PRINT("\n");
+    return TC_FAIL;
   }
-  if (verbose)
-    printf("  Vector #%02d check %s - success\n", num, name);
+  if (verbose) {
+    TC_PRINT("  Vector #%02d check %s - success\n", num, name);
+  }
+  return TC_PASS;
+}
+
+int check_code(const int num, const char *name, const int expected,
+		const int computed, const int verbose)
+{
+
+	if (expected != computed) {
+		TC_ERROR("\n  Vector #%02d check %s - FAILURE:\n", num, name);
+		TC_ERROR("\n  Expected: %d, computed: %d\n\n", expected, computed);
+		return TC_FAIL;
+	}
+
+	if (verbose) {
+		TC_PRINT("  Vector #%02d check %s - success (%d=%d)\n", num, name,
+		       expected, computed);
+	}
+
+	return TC_PASS;
 }
 
 /* Test ecc_make_keys, and also as keygen part of other tests */
-EccPoint keygen_vectors(char **d_vec,
-    char **qx_vec,
-    char **qy_vec,
-    int tests,
-    bool verbose) {
+int keygen_vectors(char **d_vec, char **qx_vec, char **qy_vec, int tests,
+		    bool verbose)
+{
 
-  EccPoint pub;
-  uint32_t seed[NUM_ECC_DIGITS * 2];
-  uint32_t prv[NUM_ECC_DIGITS];
+	unsigned int pub[2 * NUM_ECC_WORDS];
+	unsigned int d[NUM_ECC_WORDS];
+	unsigned int prv[NUM_ECC_WORDS];
+	unsigned int result = TC_PASS;
 
-  /* expected outputs (converted input vectors) */
-  EccPoint exp_pub;
-  uint32_t exp_prv[NUM_ECC_DIGITS];
+	/* expected outputs (converted input vectors) */
+	unsigned int exp_pub[2 * NUM_ECC_WORDS];
+	unsigned int exp_prv[NUM_ECC_WORDS];
 
-  for (int i=0; i<tests; i++) {
+	for (int i = 0; i < tests; i++) {
+		string2scalar(exp_prv, NUM_ECC_WORDS, d_vec[i]);
+		string2scalar(exp_pub, NUM_ECC_WORDS, qx_vec[i]);
+		string2scalar(exp_pub + NUM_ECC_WORDS, NUM_ECC_WORDS, qy_vec[i]);
 
-    string2scalar(exp_prv, NUM_ECC_DIGITS, d_vec[i]);
-    string2scalar(exp_pub.x, NUM_ECC_DIGITS, qx_vec[i]);
-    string2scalar(exp_pub.y, NUM_ECC_DIGITS, qy_vec[i]);
+		/*
+		 * Feed prvkey vector as padded random seed into ecc_make_key.
+		 * Internal mod-reduction will be zero-op and generate correct prv/pub
+		 */
+		memset(d, 0, NUM_ECC_WORDS);
+		string2scalar(d, NUM_ECC_WORDS, d_vec[i]);
 
-    /*
-     * Feed prvkey vector as padded random seed into ecc_make_key.
-     * Internal mod-reduction will be zero-op and generate correct prv/pub
-     */
-    memset(seed, 0, NUM_ECC_BYTES * 2);
-    string2scalar(seed, NUM_ECC_DIGITS, d_vec[i]);
-    ecc_make_key(&pub, prv, seed);
+		uint8_t pub_bytes[2*NUM_ECC_BYTES];
+		uint8_t prv_bytes[NUM_ECC_BYTES];
 
-    // validate correctness of vector conversion and make_key()
-    check_ecc_result(i, "prv  ", exp_prv, prv,  NUM_ECC_DIGITS, verbose);
-    check_ecc_result(i, "pub.x", exp_pub.x, pub.x,  NUM_ECC_DIGITS, verbose);
-    check_ecc_result(i, "pub.y", exp_pub.y, pub.y,  NUM_ECC_DIGITS, verbose);
+		uECC_make_key_with_d(pub_bytes, prv_bytes, d, uECC_secp256r1());
 
-  }
-  return pub;
+		uECC_vli_bytesToNative(prv, prv_bytes, NUM_ECC_BYTES);
+		uECC_vli_bytesToNative(pub, pub_bytes, NUM_ECC_BYTES);
+		uECC_vli_bytesToNative(pub + NUM_ECC_WORDS, pub_bytes + NUM_ECC_BYTES, NUM_ECC_BYTES);
+
+		/* validate correctness of vector conversion and make_key() */
+		result = check_ecc_result(i, "prv  ", exp_prv, prv,  NUM_ECC_WORDS, verbose);
+		if (result == TC_FAIL) {
+		  return result;
+		}
+		result = check_ecc_result(i, "pub.x", exp_pub, pub,  NUM_ECC_WORDS, verbose);
+		if (result == TC_FAIL) {
+		  return result;
+		}
+		result = check_ecc_result(i, "pub.y", exp_pub + NUM_ECC_WORDS, pub + NUM_ECC_WORDS,  NUM_ECC_WORDS, verbose);
+		if (result == TC_FAIL) {
+		  return result;
+		}
+	}
+	return result;
 }
diff --git a/ext/tinycrypt/tests/test_hmac.c b/ext/tinycrypt/tests/test_hmac.c
index 38ccf9f..a41275e 100644
--- a/ext/tinycrypt/tests/test_hmac.c
+++ b/ext/tinycrypt/tests/test_hmac.c
@@ -1,7 +1,7 @@
 /*  test_hmac.c - TinyCrypt implementation of some HMAC tests */
 
 /*
- *  Copyright (C) 2015 by Intel Corporation, All Rights Reserved.
+ *  Copyright (C) 2017 by Intel Corporation, All Rights Reserved.
  *
  *  Redistribution and use in source and binary forms, with or without
  *  modification, are permitted provided that the following conditions are met:
@@ -48,12 +48,12 @@
 #include <string.h>
 #include <stdint.h>
 
-uint32_t do_hmac_test(TCHmacState_t h, uint32_t testnum, const uint8_t *data,
-		      size_t datalen, const uint8_t *expected,
-		      size_t expectedlen)
+unsigned int do_hmac_test(TCHmacState_t h, unsigned int testnum, const uint8_t *data,
+		          size_t datalen, const uint8_t *expected,
+		          size_t expectedlen)
 {
         uint8_t digest[32];
-        uint32_t result = TC_PASS;
+        unsigned int result = TC_PASS;
 
         (void)tc_hmac_init(h);
         (void)tc_hmac_update(h, data, datalen);
@@ -66,243 +66,238 @@
 /*
  * NIST test vectors for encryption.
  */
-uint32_t test_1(void)
+unsigned int test_1(void)
 {
-        uint32_t result = TC_PASS;
+        unsigned int result = TC_PASS;
 
         TC_PRINT("HMAC %s:\n", __func__);
 
         const uint8_t key[20] = {
-	0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
-	0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b
+		0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
+		0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b
         };
         const uint8_t data[8] = {
-	0x48, 0x69, 0x20, 0x54, 0x68, 0x65, 0x72, 0x65
+		0x48, 0x69, 0x20, 0x54, 0x68, 0x65, 0x72, 0x65
         };
         const uint8_t expected[32] = {
-	0xb0, 0x34, 0x4c, 0x61, 0xd8, 0xdb, 0x38, 0x53, 0x5c, 0xa8, 0xaf, 0xce,
-	0xaf, 0x0b, 0xf1, 0x2b, 0x88, 0x1d, 0xc2, 0x00, 0xc9, 0x83, 0x3d, 0xa7,
-	0x26, 0xe9, 0x37, 0x6c, 0x2e, 0x32, 0xcf, 0xf7
+		0xb0, 0x34, 0x4c, 0x61, 0xd8, 0xdb, 0x38, 0x53, 0x5c, 0xa8, 0xaf, 0xce,
+		0xaf, 0x0b, 0xf1, 0x2b, 0x88, 0x1d, 0xc2, 0x00, 0xc9, 0x83, 0x3d, 0xa7,
+		0x26, 0xe9, 0x37, 0x6c, 0x2e, 0x32, 0xcf, 0xf7
         };
         struct tc_hmac_state_struct h;
 
         (void)memset(&h, 0x00, sizeof(h));
         (void)tc_hmac_set_key(&h, key, sizeof(key));
-        result = do_hmac_test(&h, 1, data, sizeof(data),
-			      expected, sizeof(expected));
+        result = do_hmac_test(&h, 1, data, sizeof(data),expected,
+			      sizeof(expected));
         TC_END_RESULT(result);
         return result;
 }
 
-uint32_t test_2(void)
+unsigned int test_2(void)
 {
-        uint32_t result = TC_PASS;
-
+        unsigned int result = TC_PASS;
         TC_PRINT("HMAC %s:\n", __func__);
         const uint8_t key[4] = {
                 0x4a, 0x65, 0x66, 0x65
         };
         const uint8_t data[28] = {
-	0x77, 0x68, 0x61, 0x74, 0x20, 0x64, 0x6f, 0x20, 0x79, 0x61, 0x20, 0x77,
-	0x61, 0x6e, 0x74, 0x20, 0x66, 0x6f, 0x72, 0x20, 0x6e, 0x6f, 0x74, 0x68,
-	0x69, 0x6e, 0x67, 0x3f
+		0x77, 0x68, 0x61, 0x74, 0x20, 0x64, 0x6f, 0x20, 0x79, 0x61, 0x20, 0x77,
+		0x61, 0x6e, 0x74, 0x20, 0x66, 0x6f, 0x72, 0x20, 0x6e, 0x6f, 0x74, 0x68,
+		0x69, 0x6e, 0x67, 0x3f
         };
         const uint8_t expected[32] = {
-	0x5b, 0xdc, 0xc1, 0x46, 0xbf, 0x60, 0x75, 0x4e, 0x6a, 0x04, 0x24, 0x26,
-	0x08, 0x95, 0x75, 0xc7, 0x5a, 0x00, 0x3f, 0x08, 0x9d, 0x27, 0x39, 0x83,
-	0x9d, 0xec, 0x58, 0xb9, 0x64, 0xec, 0x38, 0x43
+		0x5b, 0xdc, 0xc1, 0x46, 0xbf, 0x60, 0x75, 0x4e, 0x6a, 0x04, 0x24, 0x26,
+		0x08, 0x95, 0x75, 0xc7, 0x5a, 0x00, 0x3f, 0x08, 0x9d, 0x27, 0x39, 0x83,
+		0x9d, 0xec, 0x58, 0xb9, 0x64, 0xec, 0x38, 0x43
         };
         struct tc_hmac_state_struct h;
 
         (void)memset(&h, 0x00, sizeof(h));
         (void)tc_hmac_set_key(&h, key, sizeof(key));
 
-        result = do_hmac_test(&h, 2, data, sizeof(data),
-			      expected, sizeof(expected));
+        result = do_hmac_test(&h, 2, data, sizeof(data), expected,
+			      sizeof(expected));
         TC_END_RESULT(result);
         return result;
 }
 
-uint32_t test_3(void)
+unsigned int test_3(void)
 {
-        uint32_t result = TC_PASS;
-
+        unsigned int result = TC_PASS;
         TC_PRINT("HMAC %s:\n", __func__);
         const uint8_t key[20] = {
-	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
-	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa
+		0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+		0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa
         };
         const uint8_t data[50] = {
-	0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
-	0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
-	0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
-	0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
-	0xdd, 0xdd
+		0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
+		0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
+		0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
+		0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
+		0xdd, 0xdd
         };
         const uint8_t expected[32] = {
-	0x77, 0x3e, 0xa9, 0x1e, 0x36, 0x80, 0x0e, 0x46, 0x85, 0x4d, 0xb8, 0xeb,
-	0xd0, 0x91, 0x81, 0xa7, 0x29, 0x59, 0x09, 0x8b, 0x3e, 0xf8, 0xc1, 0x22,
-	0xd9, 0x63, 0x55, 0x14, 0xce, 0xd5, 0x65, 0xfe
+		0x77, 0x3e, 0xa9, 0x1e, 0x36, 0x80, 0x0e, 0x46, 0x85, 0x4d, 0xb8, 0xeb,
+		0xd0, 0x91, 0x81, 0xa7, 0x29, 0x59, 0x09, 0x8b, 0x3e, 0xf8, 0xc1, 0x22,
+		0xd9, 0x63, 0x55, 0x14, 0xce, 0xd5, 0x65, 0xfe
         };
         struct tc_hmac_state_struct h;
 
         (void)memset(&h, 0x00, sizeof(h));
         (void)tc_hmac_set_key(&h, key, sizeof(key));
 
-        result = do_hmac_test(&h, 3, data, sizeof(data),
-			      expected, sizeof(expected));
+        result = do_hmac_test(&h, 3, data, sizeof(data), expected,
+			      sizeof(expected));
         TC_END_RESULT(result);
         return result;
 }
 
-uint32_t test_4(void)
+unsigned int test_4(void)
 {
-        uint32_t result = TC_PASS;
-
+        unsigned int result = TC_PASS;
         TC_PRINT("HMAC %s:\n", __func__);
+
         const uint8_t key[25] = {
-	0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c,
-	0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18,
-	0x19
+		0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c,
+		0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18,
+		0x19
         };
         const uint8_t data[50] = {
-	0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
-	0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
-	0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
-	0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
-	0xcd, 0xcd
+		0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
+		0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
+		0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
+		0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
+		0xcd, 0xcd
         };
         const uint8_t expected[32] = {
-	0x82, 0x55, 0x8a, 0x38, 0x9a, 0x44, 0x3c, 0x0e, 0xa4, 0xcc, 0x81, 0x98,
-	0x99, 0xf2, 0x08, 0x3a, 0x85, 0xf0, 0xfa, 0xa3, 0xe5, 0x78, 0xf8, 0x07,
-	0x7a, 0x2e, 0x3f, 0xf4, 0x67, 0x29, 0x66, 0x5b
+		0x82, 0x55, 0x8a, 0x38, 0x9a, 0x44, 0x3c, 0x0e, 0xa4, 0xcc, 0x81, 0x98,
+		0x99, 0xf2, 0x08, 0x3a, 0x85, 0xf0, 0xfa, 0xa3, 0xe5, 0x78, 0xf8, 0x07,
+		0x7a, 0x2e, 0x3f, 0xf4, 0x67, 0x29, 0x66, 0x5b
         };
         struct tc_hmac_state_struct h;
 
         (void)memset(&h, 0x00, sizeof(h));
         (void)tc_hmac_set_key(&h, key, sizeof(key));
 
-        result = do_hmac_test(&h, 4, data, sizeof(data),
-			      expected, sizeof(expected));
+        result = do_hmac_test(&h, 4, data, sizeof(data), expected,
+			      sizeof(expected));
         TC_END_RESULT(result);
         return result;
 }
 
-uint32_t test_5(void)
+unsigned int test_5(void)
 {
-        uint32_t result = TC_PASS;
-
+        unsigned int result = TC_PASS;
         TC_PRINT("HMAC %s:\n", __func__);
         const uint8_t key[20] = {
-	0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c,
-	0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c
+		0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c,
+		0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c
         };
         const uint8_t data[20] = {
-	0x54, 0x65, 0x73, 0x74, 0x20, 0x57, 0x69, 0x74, 0x68, 0x20, 0x54, 0x72,
-	0x75, 0x6e, 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e
+		0x54, 0x65, 0x73, 0x74, 0x20, 0x57, 0x69, 0x74, 0x68, 0x20, 0x54, 0x72,
+		0x75, 0x6e, 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e
         };
         const uint8_t expected[32] = {
-	0xa3, 0xb6, 0x16, 0x74, 0x73, 0x10, 0x0e, 0xe0, 0x6e, 0x0c, 0x79, 0x6c,
-	0x29, 0x55, 0x55, 0x2b, 0xfa, 0x6f, 0x7c, 0x0a, 0x6a, 0x8a, 0xef, 0x8b,
-	0x93, 0xf8, 0x60, 0xaa, 0xb0, 0xcd, 0x20, 0xc5
+		0xa3, 0xb6, 0x16, 0x74, 0x73, 0x10, 0x0e, 0xe0, 0x6e, 0x0c, 0x79, 0x6c,
+		0x29, 0x55, 0x55, 0x2b, 0xfa, 0x6f, 0x7c, 0x0a, 0x6a, 0x8a, 0xef, 0x8b,
+		0x93, 0xf8, 0x60, 0xaa, 0xb0, 0xcd, 0x20, 0xc5
         };
         struct tc_hmac_state_struct h;
 
         (void)memset(&h, 0x00, sizeof(h));
         (void)tc_hmac_set_key(&h, key, sizeof(key));
 
-        result = do_hmac_test(&h, 5, data, sizeof(data),
-			      expected, sizeof(expected));
+        result = do_hmac_test(&h, 5, data, sizeof(data), expected,
+			      sizeof(expected));
         TC_END_RESULT(result);
         return result;
 }
 
-uint32_t test_6(void)
+unsigned int test_6(void)
 {
-        uint32_t result = TC_PASS;
-
+        unsigned int result = TC_PASS;
         TC_PRINT("HMAC %s:\n", __func__);
         const uint8_t key[131] = {
-	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
-	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
-	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
-	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
-	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
-	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
-	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
-	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
-	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
-	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
-	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa
+		0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+		0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+		0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+		0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+		0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+		0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+		0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+		0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+		0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+		0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+		0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa
         };
         const uint8_t data[54] = {
-	0x54, 0x65, 0x73, 0x74, 0x20, 0x55, 0x73, 0x69, 0x6e, 0x67, 0x20, 0x4c,
-	0x61, 0x72, 0x67, 0x65, 0x72, 0x20, 0x54, 0x68, 0x61, 0x6e, 0x20, 0x42,
-	0x6c, 0x6f, 0x63, 0x6b, 0x2d, 0x53, 0x69, 0x7a, 0x65, 0x20, 0x4b, 0x65,
-	0x79, 0x20, 0x2d, 0x20, 0x48, 0x61, 0x73, 0x68, 0x20, 0x4b, 0x65, 0x79,
-	0x20, 0x46, 0x69, 0x72, 0x73, 0x74
+		0x54, 0x65, 0x73, 0x74, 0x20, 0x55, 0x73, 0x69, 0x6e, 0x67, 0x20, 0x4c,
+		0x61, 0x72, 0x67, 0x65, 0x72, 0x20, 0x54, 0x68, 0x61, 0x6e, 0x20, 0x42,
+		0x6c, 0x6f, 0x63, 0x6b, 0x2d, 0x53, 0x69, 0x7a, 0x65, 0x20, 0x4b, 0x65,
+		0x79, 0x20, 0x2d, 0x20, 0x48, 0x61, 0x73, 0x68, 0x20, 0x4b, 0x65, 0x79,
+		0x20, 0x46, 0x69, 0x72, 0x73, 0x74
         };
         const uint8_t expected[32] = {
-	0x60, 0xe4, 0x31, 0x59, 0x1e, 0xe0, 0xb6, 0x7f, 0x0d, 0x8a, 0x26, 0xaa,
-	0xcb, 0xf5, 0xb7, 0x7f, 0x8e, 0x0b, 0xc6, 0x21, 0x37, 0x28, 0xc5, 0x14,
-	0x05, 0x46, 0x04, 0x0f, 0x0e, 0xe3, 0x7f, 0x54
+		0x60, 0xe4, 0x31, 0x59, 0x1e, 0xe0, 0xb6, 0x7f, 0x0d, 0x8a, 0x26, 0xaa,
+		0xcb, 0xf5, 0xb7, 0x7f, 0x8e, 0x0b, 0xc6, 0x21, 0x37, 0x28, 0xc5, 0x14,
+		0x05, 0x46, 0x04, 0x0f, 0x0e, 0xe3, 0x7f, 0x54
         };
         struct tc_hmac_state_struct h;
 
         (void)memset(&h, 0x00, sizeof(h));
         (void)tc_hmac_set_key(&h, key, sizeof(key));
 
-        result = do_hmac_test(&h, 6, data, sizeof(data),
-			      expected, sizeof(expected));
+        result = do_hmac_test(&h, 6, data, sizeof(data), expected,
+			      sizeof(expected));
         TC_END_RESULT(result);
         return result;
 }
 
-uint32_t test_7(void)
+unsigned int test_7(void)
 {
-        uint32_t result = TC_PASS;
-
+        unsigned int result = TC_PASS;
         TC_PRINT("HMAC %s:\n", __func__);
         const uint8_t key[131] = {
-	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
-	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
-	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
-	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
-	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
-	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
-	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
-	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
-	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
-	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
-	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa
+		0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+		0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+		0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+		0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+		0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+		0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+		0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+		0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+		0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+		0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+		0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa
         };
         const uint8_t data[152] = {
-	0x54, 0x68, 0x69, 0x73, 0x20, 0x69, 0x73, 0x20, 0x61, 0x20, 0x74, 0x65,
-	0x73, 0x74, 0x20, 0x75, 0x73, 0x69, 0x6e, 0x67, 0x20, 0x61, 0x20, 0x6c,
-	0x61, 0x72, 0x67, 0x65, 0x72, 0x20, 0x74, 0x68, 0x61, 0x6e, 0x20, 0x62,
-	0x6c, 0x6f, 0x63, 0x6b, 0x2d, 0x73, 0x69, 0x7a, 0x65, 0x20, 0x6b, 0x65,
-	0x79, 0x20, 0x61, 0x6e, 0x64, 0x20, 0x61, 0x20, 0x6c, 0x61, 0x72, 0x67,
-	0x65, 0x72, 0x20, 0x74, 0x68, 0x61, 0x6e, 0x20, 0x62, 0x6c, 0x6f, 0x63,
-	0x6b, 0x2d, 0x73, 0x69, 0x7a, 0x65, 0x20, 0x64, 0x61, 0x74, 0x61, 0x2e,
-	0x20, 0x54, 0x68, 0x65, 0x20, 0x6b, 0x65, 0x79, 0x20, 0x6e, 0x65, 0x65,
-	0x64, 0x73, 0x20, 0x74, 0x6f, 0x20, 0x62, 0x65, 0x20, 0x68, 0x61, 0x73,
-	0x68, 0x65, 0x64, 0x20, 0x62, 0x65, 0x66, 0x6f, 0x72, 0x65, 0x20, 0x62,
-	0x65, 0x69, 0x6e, 0x67, 0x20, 0x75, 0x73, 0x65, 0x64, 0x20, 0x62, 0x79,
-	0x20, 0x74, 0x68, 0x65, 0x20, 0x48, 0x4d, 0x41, 0x43, 0x20, 0x61, 0x6c,
-	0x67, 0x6f, 0x72, 0x69, 0x74, 0x68, 0x6d, 0x2e
+		0x54, 0x68, 0x69, 0x73, 0x20, 0x69, 0x73, 0x20, 0x61, 0x20, 0x74, 0x65,
+		0x73, 0x74, 0x20, 0x75, 0x73, 0x69, 0x6e, 0x67, 0x20, 0x61, 0x20, 0x6c,
+		0x61, 0x72, 0x67, 0x65, 0x72, 0x20, 0x74, 0x68, 0x61, 0x6e, 0x20, 0x62,
+		0x6c, 0x6f, 0x63, 0x6b, 0x2d, 0x73, 0x69, 0x7a, 0x65, 0x20, 0x6b, 0x65,
+		0x79, 0x20, 0x61, 0x6e, 0x64, 0x20, 0x61, 0x20, 0x6c, 0x61, 0x72, 0x67,
+		0x65, 0x72, 0x20, 0x74, 0x68, 0x61, 0x6e, 0x20, 0x62, 0x6c, 0x6f, 0x63,
+		0x6b, 0x2d, 0x73, 0x69, 0x7a, 0x65, 0x20, 0x64, 0x61, 0x74, 0x61, 0x2e,
+		0x20, 0x54, 0x68, 0x65, 0x20, 0x6b, 0x65, 0x79, 0x20, 0x6e, 0x65, 0x65,
+		0x64, 0x73, 0x20, 0x74, 0x6f, 0x20, 0x62, 0x65, 0x20, 0x68, 0x61, 0x73,
+		0x68, 0x65, 0x64, 0x20, 0x62, 0x65, 0x66, 0x6f, 0x72, 0x65, 0x20, 0x62,
+		0x65, 0x69, 0x6e, 0x67, 0x20, 0x75, 0x73, 0x65, 0x64, 0x20, 0x62, 0x79,
+		0x20, 0x74, 0x68, 0x65, 0x20, 0x48, 0x4d, 0x41, 0x43, 0x20, 0x61, 0x6c,
+		0x67, 0x6f, 0x72, 0x69, 0x74, 0x68, 0x6d, 0x2e
         };
         const uint8_t expected[32] = {
-	0x9b, 0x09, 0xff, 0xa7, 0x1b, 0x94, 0x2f, 0xcb, 0x27, 0x63, 0x5f, 0xbc,
-	0xd5, 0xb0, 0xe9, 0x44, 0xbf, 0xdc, 0x63, 0x64, 0x4f, 0x07, 0x13, 0x93,
-	0x8a, 0x7f, 0x51, 0x53, 0x5c, 0x3a, 0x35, 0xe2
+		0x9b, 0x09, 0xff, 0xa7, 0x1b, 0x94, 0x2f, 0xcb, 0x27, 0x63, 0x5f, 0xbc,
+		0xd5, 0xb0, 0xe9, 0x44, 0xbf, 0xdc, 0x63, 0x64, 0x4f, 0x07, 0x13, 0x93,
+		0x8a, 0x7f, 0x51, 0x53, 0x5c, 0x3a, 0x35, 0xe2
         };
         struct tc_hmac_state_struct h;
 
         (void)memset(&h, 0x00, sizeof(h));
         (void)tc_hmac_set_key(&h, key, sizeof(key));
 
-        result = do_hmac_test(&h, 7, data, sizeof(data),
-			      expected, sizeof(expected));
+        result = do_hmac_test(&h, 7, data, sizeof(data), expected,
+			      sizeof(expected));
         TC_END_RESULT(result);
         return result;
 }
@@ -312,42 +307,49 @@
  */
 int main(void)
 {
-        uint32_t result = TC_PASS;
+        unsigned int result = TC_PASS;
 
         TC_START("Performing HMAC tests (RFC4231 test vectors):");
 
         result = test_1();
-        if (result == TC_FAIL) { /* terminate test */
+        if (result == TC_FAIL) { 
+		/* terminate test */
                 TC_ERROR("HMAC test #1 failed.\n");
                 goto exitTest;
         }
         result = test_2();
-        if (result == TC_FAIL) { /* terminate test */
+        if (result == TC_FAIL) {
+		/* terminate test */
                 TC_ERROR("HMAC test #2 failed.\n");
                 goto exitTest;
         }
         result = test_3();
-        if (result == TC_FAIL) { /* terminate test */
+        if (result == TC_FAIL) {
+		/* terminate test */
                 TC_ERROR("HMAC test #3 failed.\n");
                 goto exitTest;
         }
         result = test_4();
-        if (result == TC_FAIL) { /* terminate test */
+        if (result == TC_FAIL) {
+		/* terminate test */
                 TC_ERROR("HMAC test #4 failed.\n");
                 goto exitTest;
         }
         result = test_5();
-        if (result == TC_FAIL) { /* terminate test */
+        if (result == TC_FAIL) {
+		/* terminate test */
                 TC_ERROR("HMAC test #5 failed.\n");
                 goto exitTest;
         }
         result = test_6();
-        if (result == TC_FAIL) { /* terminate test */
+        if (result == TC_FAIL) {
+		/* terminate test */
                 TC_ERROR("HMAC #6 test failed.\n");
                 goto exitTest;
         }
         result = test_7();
-        if (result == TC_FAIL) { /* terminate test */
+        if (result == TC_FAIL) {
+		/* terminate test */
                 TC_ERROR("HMAC test #7 failed.\n");
                 goto exitTest;
         }
diff --git a/ext/tinycrypt/tests/test_hmac_prng.c b/ext/tinycrypt/tests/test_hmac_prng.c
index 9071305..b45e984 100644
--- a/ext/tinycrypt/tests/test_hmac_prng.c
+++ b/ext/tinycrypt/tests/test_hmac_prng.c
@@ -1,7 +1,7 @@
 /*  test_hmac_prng.c - TinyCrypt implementation of some HMAC-PRNG tests */
 
 /*
- *  Copyright (C) 2015 by Intel Corporation, All Rights Reserved.
+ *  Copyright (C) 2017 by Intel Corporation, All Rights Reserved.
  *
  *  Redistribution and use in source and binary forms, with or without
  *  modification, are permitted provided that the following conditions are met:
@@ -48,24 +48,44 @@
 #include <stdlib.h>
 #include <string.h>
 
+#define TC_DEBUG_MODE 0
+
+#ifdef TC_DEBUG_MODE
+void show(const char *label, const uint8_t *s, size_t len)
+{
+	unsigned int i;
+	printf ("%s = ", label);
+	for (i = 0; i < (unsigned int) len; ++i) {
+		printf ("%02x", s[i]);
+	}
+	printf ("\n");
+}
+
+void printBinaryFile(const uint8_t *s, unsigned int slen)
+{
+	FILE *write_ptr;
+	write_ptr = fopen("pseudo-random-data.bin","wb");
+	fwrite(s, slen, 1, write_ptr);
+}
+#endif
+
 /*
  * Main task to test AES
  */
-
 int main(void)
 {
         uint8_t seed[128];
         struct tc_hmac_prng_struct h;
-        uint32_t size = (1 << 15);
+        unsigned int size = (1 << 19);
         uint8_t random[size];
-        uint32_t i;
-        uint32_t result = TC_PASS;
+        unsigned int i;
+        unsigned int result = TC_PASS;
 
         TC_START("Performing HMAC-PRNG tests:");
         TC_PRINT("HMAC-PRNG test#1 (init, reseed, generate):\n");
 
         /* Fake seed (replace by a a truly random seed): */
-        for (i = 0; i < (uint32_t) sizeof(seed); ++i) {
+        for (i = 0; i < (unsigned int) sizeof(seed); ++i) {
                 seed[i] = i;
         }
 
@@ -102,6 +122,11 @@
         }
         TC_END_RESULT(result);
 
+#ifdef TC_DEBUG_MODE
+	printBinaryFile(random, size);
+	show ("Pseudo-random data", random, size);
+#endif
+
         TC_PRINT("All HMAC tests succeeded!\n");
 
  exitTest:
diff --git a/ext/tinycrypt/tests/test_sha256.c b/ext/tinycrypt/tests/test_sha256.c
index 5da973f..b309ed1 100644
--- a/ext/tinycrypt/tests/test_sha256.c
+++ b/ext/tinycrypt/tests/test_sha256.c
@@ -1,7 +1,7 @@
 /*  test_sha256.c - TinyCrypt implementation of some SHA-256 tests */
 
 /*
- *  Copyright (C) 2015 by Intel Corporation, All Rights Reserved.
+ *  Copyright (C) 2017 by Intel Corporation, All Rights Reserved.
  *
  *  Redistribution and use in source and binary forms, with or without
  *  modification, are permitted provided that the following conditions are met:
@@ -50,15 +50,15 @@
 /*
  * NIST SHA256 test vector 1.
  */
-uint32_t test_1(void)
+unsigned int test_1(void)
 {
-        uint32_t result = TC_PASS;
+        unsigned int result = TC_PASS;
 
         TC_PRINT("SHA256 test #1:\n");
         const uint8_t expected[32] = {
-	0xba, 0x78, 0x16, 0xbf, 0x8f, 0x01, 0xcf, 0xea, 0x41, 0x41, 0x40, 0xde,
-	0x5d, 0xae, 0x22, 0x23, 0xb0, 0x03, 0x61, 0xa3, 0x96, 0x17, 0x7a, 0x9c,
-	0xb4, 0x10, 0xff, 0x61, 0xf2, 0x00, 0x15, 0xad
+		0xba, 0x78, 0x16, 0xbf, 0x8f, 0x01, 0xcf, 0xea, 0x41, 0x41, 0x40, 0xde,
+		0x5d, 0xae, 0x22, 0x23, 0xb0, 0x03, 0x61, 0xa3, 0x96, 0x17, 0x7a, 0x9c,
+		0xb4, 0x10, 0xff, 0x61, 0xf2, 0x00, 0x15, 0xad
         };
         const char *m = "abc";
         uint8_t digest[32];
@@ -76,15 +76,14 @@
 /*
  * NIST SHA256 test vector 2.
  */
-uint32_t test_2(void)
+unsigned int test_2(void)
 {
-        uint32_t result = TC_PASS;
-
+        unsigned int result = TC_PASS;
         TC_PRINT("SHA256 test #2:\n");
         const uint8_t expected[32] = {
-	0x24, 0x8d, 0x6a, 0x61, 0xd2, 0x06, 0x38, 0xb8, 0xe5, 0xc0, 0x26, 0x93,
-	0x0c, 0x3e, 0x60, 0x39, 0xa3, 0x3c, 0xe4, 0x59, 0x64, 0xff, 0x21, 0x67,
-	0xf6, 0xec, 0xed, 0xd4, 0x19, 0xdb, 0x06, 0xc1
+		0x24, 0x8d, 0x6a, 0x61, 0xd2, 0x06, 0x38, 0xb8, 0xe5, 0xc0, 0x26, 0x93,
+		0x0c, 0x3e, 0x60, 0x39, 0xa3, 0x3c, 0xe4, 0x59, 0x64, 0xff, 0x21, 0x67,
+		0xf6, 0xec, 0xed, 0xd4, 0x19, 0xdb, 0x06, 0xc1
         };
         const char *m = "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq";
         uint8_t digest[32];
@@ -100,15 +99,14 @@
         return result;
 }
 
-uint32_t test_3(void)
+unsigned int test_3(void)
 {
-        uint32_t result = TC_PASS;
-
+        unsigned int result = TC_PASS;
         TC_PRINT("SHA256 test #3:\n");
         const uint8_t expected[32] = {
-	0x68, 0x32, 0x57, 0x20, 0xaa, 0xbd, 0x7c, 0x82, 0xf3, 0x0f, 0x55, 0x4b,
-	0x31, 0x3d, 0x05, 0x70, 0xc9, 0x5a, 0xcc, 0xbb, 0x7d, 0xc4, 0xb5, 0xaa,
-	0xe1, 0x12, 0x04, 0xc0, 0x8f, 0xfe, 0x73, 0x2b
+		0x68, 0x32, 0x57, 0x20, 0xaa, 0xbd, 0x7c, 0x82, 0xf3, 0x0f, 0x55, 0x4b,
+		0x31, 0x3d, 0x05, 0x70, 0xc9, 0x5a, 0xcc, 0xbb, 0x7d, 0xc4, 0xb5, 0xaa,
+		0xe1, 0x12, 0x04, 0xc0, 0x8f, 0xfe, 0x73, 0x2b
         };
         const uint8_t m[1] = { 0xbd };
         uint8_t digest[32];
@@ -124,15 +122,14 @@
         return result;
 }
 
-uint32_t test_4(void)
+unsigned int test_4(void)
 {
-        uint32_t result = TC_PASS;
-
+        unsigned int result = TC_PASS;
         TC_PRINT("SHA256 test #4:\n");
         const uint8_t expected[32] = {
-	0x7a, 0xbc, 0x22, 0xc0, 0xae, 0x5a, 0xf2, 0x6c, 0xe9, 0x3d, 0xbb, 0x94,
-	0x43, 0x3a, 0x0e, 0x0b, 0x2e, 0x11, 0x9d, 0x01, 0x4f, 0x8e, 0x7f, 0x65,
-	0xbd, 0x56, 0xc6, 0x1c, 0xcc, 0xcd, 0x95, 0x04
+		0x7a, 0xbc, 0x22, 0xc0, 0xae, 0x5a, 0xf2, 0x6c, 0xe9, 0x3d, 0xbb, 0x94,
+		0x43, 0x3a, 0x0e, 0x0b, 0x2e, 0x11, 0x9d, 0x01, 0x4f, 0x8e, 0x7f, 0x65,
+		0xbd, 0x56, 0xc6, 0x1c, 0xcc, 0xcd, 0x95, 0x04
         };
         const uint8_t m[4] = { 0xc9, 0x8c, 0x8e, 0x55 };
         uint8_t digest[32];
@@ -148,15 +145,15 @@
         return result;
 }
 
-uint32_t test_5(void)
+unsigned int test_5(void)
 {
-        uint32_t result = TC_PASS;
-
+        unsigned int result = TC_PASS;
         TC_PRINT("SHA256 test #5:\n");
+
         const uint8_t expected[32] = {
-	0x02, 0x77, 0x94, 0x66, 0xcd, 0xec, 0x16, 0x38, 0x11, 0xd0, 0x78, 0x81,
-	0x5c, 0x63, 0x3f, 0x21, 0x90, 0x14, 0x13, 0x08, 0x14, 0x49, 0x00, 0x2f,
-	0x24, 0xaa, 0x3e, 0x80, 0xf0, 0xb8, 0x8e, 0xf7
+		0x02, 0x77, 0x94, 0x66, 0xcd, 0xec, 0x16, 0x38, 0x11, 0xd0, 0x78, 0x81,
+		0x5c, 0x63, 0x3f, 0x21, 0x90, 0x14, 0x13, 0x08, 0x14, 0x49, 0x00, 0x2f,
+		0x24, 0xaa, 0x3e, 0x80, 0xf0, 0xb8, 0x8e, 0xf7
         };
         uint8_t m[55];
         uint8_t digest[32];
@@ -174,15 +171,14 @@
         return result;
 }
 
-uint32_t test_6(void)
+unsigned int test_6(void)
 {
-        uint32_t result = TC_PASS;
-
+        unsigned int result = TC_PASS;
         TC_PRINT("SHA256 test #6:\n");
         const uint8_t expected[32] = {
-	0xd4, 0x81, 0x7a, 0xa5, 0x49, 0x76, 0x28, 0xe7, 0xc7, 0x7e, 0x6b, 0x60,
-	0x61, 0x07, 0x04, 0x2b, 0xbb, 0xa3, 0x13, 0x08, 0x88, 0xc5, 0xf4, 0x7a,
-	0x37, 0x5e, 0x61, 0x79, 0xbe, 0x78, 0x9f, 0xbb
+		0xd4, 0x81, 0x7a, 0xa5, 0x49, 0x76, 0x28, 0xe7, 0xc7, 0x7e, 0x6b, 0x60,
+		0x61, 0x07, 0x04, 0x2b, 0xbb, 0xa3, 0x13, 0x08, 0x88, 0xc5, 0xf4, 0x7a,
+		0x37, 0x5e, 0x61, 0x79, 0xbe, 0x78, 0x9f, 0xbb
         };
         uint8_t m[56];
         uint8_t digest[32];
@@ -200,15 +196,14 @@
         return result;
 }
 
-uint32_t test_7(void)
+unsigned int test_7(void)
 {
-        uint32_t result = TC_PASS;
-
+        unsigned int result = TC_PASS;
         TC_PRINT("SHA256 test #7:\n");
         const uint8_t expected[32] = {
-	0x65, 0xa1, 0x6c, 0xb7, 0x86, 0x13, 0x35, 0xd5, 0xac, 0xe3, 0xc6, 0x07,
-	0x18, 0xb5, 0x05, 0x2e, 0x44, 0x66, 0x07, 0x26, 0xda, 0x4c, 0xd1, 0x3b,
-	0xb7, 0x45, 0x38, 0x1b, 0x23, 0x5a, 0x17, 0x85
+		0x65, 0xa1, 0x6c, 0xb7, 0x86, 0x13, 0x35, 0xd5, 0xac, 0xe3, 0xc6, 0x07,
+		0x18, 0xb5, 0x05, 0x2e, 0x44, 0x66, 0x07, 0x26, 0xda, 0x4c, 0xd1, 0x3b,
+		0xb7, 0x45, 0x38, 0x1b, 0x23, 0x5a, 0x17, 0x85
         };
         uint8_t m[57];
         uint8_t digest[32];
@@ -226,15 +221,15 @@
         return result;
 }
 
-uint32_t test_8(void)
+unsigned int test_8(void)
 {
-        uint32_t result = TC_PASS;
+        unsigned int result = TC_PASS;
 
         TC_PRINT("SHA256 test #8:\n");
         const uint8_t expected[32] = {
-	0xf5, 0xa5, 0xfd, 0x42, 0xd1, 0x6a, 0x20, 0x30, 0x27, 0x98, 0xef, 0x6e,
-	0xd3, 0x09, 0x97, 0x9b, 0x43, 0x00, 0x3d, 0x23, 0x20, 0xd9, 0xf0, 0xe8,
-	0xea, 0x98, 0x31, 0xa9, 0x27, 0x59, 0xfb, 0x4b
+		0xf5, 0xa5, 0xfd, 0x42, 0xd1, 0x6a, 0x20, 0x30, 0x27, 0x98, 0xef, 0x6e,
+		0xd3, 0x09, 0x97, 0x9b, 0x43, 0x00, 0x3d, 0x23, 0x20, 0xd9, 0xf0, 0xe8,
+		0xea, 0x98, 0x31, 0xa9, 0x27, 0x59, 0xfb, 0x4b
         };
         uint8_t m[64];
         uint8_t digest[32];
@@ -252,15 +247,14 @@
         return result;
 }
 
-uint32_t test_9(void)
+unsigned int test_9(void)
 {
-        uint32_t result = TC_PASS;
-
+        unsigned int result = TC_PASS;
         TC_PRINT("SHA256 test #9:\n");
         const uint8_t expected[32] = {
-	0x54, 0x1b, 0x3e, 0x9d, 0xaa, 0x09, 0xb2, 0x0b, 0xf8, 0x5f, 0xa2, 0x73,
-	0xe5, 0xcb, 0xd3, 0xe8, 0x01, 0x85, 0xaa, 0x4e, 0xc2, 0x98, 0xe7, 0x65,
-	0xdb, 0x87, 0x74, 0x2b, 0x70, 0x13, 0x8a, 0x53
+		0x54, 0x1b, 0x3e, 0x9d, 0xaa, 0x09, 0xb2, 0x0b, 0xf8, 0x5f, 0xa2, 0x73,
+		0xe5, 0xcb, 0xd3, 0xe8, 0x01, 0x85, 0xaa, 0x4e, 0xc2, 0x98, 0xe7, 0x65,
+		0xdb, 0x87, 0x74, 0x2b, 0x70, 0x13, 0x8a, 0x53
         };
         uint8_t m[1000];
         uint8_t digest[32];
@@ -278,15 +272,14 @@
         return result;
 }
 
-uint32_t test_10(void)
+unsigned int test_10(void)
 {
-        uint32_t result = TC_PASS;
-
+        unsigned int result = TC_PASS;
         TC_PRINT("SHA256 test #10:\n");
         const uint8_t expected[32] = {
-	0xc2, 0xe6, 0x86, 0x82, 0x34, 0x89, 0xce, 0xd2, 0x01, 0x7f, 0x60, 0x59,
-	0xb8, 0xb2, 0x39, 0x31, 0x8b, 0x63, 0x64, 0xf6, 0xdc, 0xd8, 0x35, 0xd0,
-	0xa5, 0x19, 0x10, 0x5a, 0x1e, 0xad, 0xd6, 0xe4
+		0xc2, 0xe6, 0x86, 0x82, 0x34, 0x89, 0xce, 0xd2, 0x01, 0x7f, 0x60, 0x59,
+		0xb8, 0xb2, 0x39, 0x31, 0x8b, 0x63, 0x64, 0xf6, 0xdc, 0xd8, 0x35, 0xd0,
+		0xa5, 0x19, 0x10, 0x5a, 0x1e, 0xad, 0xd6, 0xe4
         };
         uint8_t m[1000];
         uint8_t digest[32];
@@ -304,15 +297,14 @@
         return result;
 }
 
-uint32_t test_11(void)
+unsigned int test_11(void)
 {
-        uint32_t result = TC_PASS;
-
+        unsigned int result = TC_PASS;
         TC_PRINT("SHA256 test #11:\n");
         const uint8_t expected[32] = {
-	0xf4, 0xd6, 0x2d, 0xde, 0xc0, 0xf3, 0xdd, 0x90, 0xea, 0x13, 0x80, 0xfa,
-	0x16, 0xa5, 0xff, 0x8d, 0xc4, 0xc5, 0x4b, 0x21, 0x74, 0x06, 0x50, 0xf2,
-	0x4a, 0xfc, 0x41, 0x20, 0x90, 0x35, 0x52, 0xb0
+		0xf4, 0xd6, 0x2d, 0xde, 0xc0, 0xf3, 0xdd, 0x90, 0xea, 0x13, 0x80, 0xfa,
+		0x16, 0xa5, 0xff, 0x8d, 0xc4, 0xc5, 0x4b, 0x21, 0x74, 0x06, 0x50, 0xf2,
+		0x4a, 0xfc, 0x41, 0x20, 0x90, 0x35, 0x52, 0xb0
         };
         uint8_t m[1005];
         uint8_t digest[32];
@@ -330,20 +322,20 @@
         return result;
 }
 
-uint32_t test_12(void)
+unsigned int test_12(void)
 {
-        uint32_t result = TC_PASS;
-
+        unsigned int result = TC_PASS;
         TC_PRINT("SHA256 test #12:\n");
+
         const uint8_t expected[32] = {
-	0xd2, 0x97, 0x51, 0xf2, 0x64, 0x9b, 0x32, 0xff, 0x57, 0x2b, 0x5e, 0x0a,
-	0x9f, 0x54, 0x1e, 0xa6, 0x60, 0xa5, 0x0f, 0x94, 0xff, 0x0b, 0xee, 0xdf,
-	0xb0, 0xb6, 0x92, 0xb9, 0x24, 0xcc, 0x80, 0x25
+		0xd2, 0x97, 0x51, 0xf2, 0x64, 0x9b, 0x32, 0xff, 0x57, 0x2b, 0x5e, 0x0a,
+		0x9f, 0x54, 0x1e, 0xa6, 0x60, 0xa5, 0x0f, 0x94, 0xff, 0x0b, 0xee, 0xdf,
+		0xb0, 0xb6, 0x92, 0xb9, 0x24, 0xcc, 0x80, 0x25
         };
         uint8_t m[1000];
         uint8_t digest[32];
         struct tc_sha256_state_struct s;
-        uint32_t i;
+        unsigned int i;
 
         (void)memset(m, 0x00, sizeof(m));
 
@@ -359,20 +351,19 @@
         return result;
 }
 
-uint32_t test_13(void)
+unsigned int test_13(void)
 {
-        uint32_t result = TC_PASS;
-
+        unsigned int result = TC_PASS;
         TC_PRINT("SHA256 test #13:\n");
         const uint8_t expected[32] = {
-	0x15, 0xa1, 0x86, 0x8c, 0x12, 0xcc, 0x53, 0x95, 0x1e, 0x18, 0x23, 0x44,
-	0x27, 0x74, 0x47, 0xcd, 0x09, 0x79, 0x53, 0x6b, 0xad, 0xcc, 0x51, 0x2a,
-	0xd2, 0x4c, 0x67, 0xe9, 0xb2, 0xd4, 0xf3, 0xdd
+		0x15, 0xa1, 0x86, 0x8c, 0x12, 0xcc, 0x53, 0x95, 0x1e, 0x18, 0x23, 0x44,
+		0x27, 0x74, 0x47, 0xcd, 0x09, 0x79, 0x53, 0x6b, 0xad, 0xcc, 0x51, 0x2a,
+		0xd2, 0x4c, 0x67, 0xe9, 0xb2, 0xd4, 0xf3, 0xdd
         };
         uint8_t m[32768];
         uint8_t digest[32];
         struct tc_sha256_state_struct s;
-        uint32_t i;
+        unsigned int i;
 
         (void)memset(m, 0x5a, sizeof(m));
 
@@ -388,20 +379,19 @@
         return result;
 }
 
-uint32_t test_14(void)
+unsigned int test_14(void)
 {
-        uint32_t result = TC_PASS;
-
+        unsigned int result = TC_PASS;
         TC_PRINT("SHA256 test #14:\n");
         const uint8_t expected[32] = {
-	0x46, 0x1c, 0x19, 0xa9, 0x3b, 0xd4, 0x34, 0x4f, 0x92, 0x15, 0xf5, 0xec,
-	0x64, 0x35, 0x70, 0x90, 0x34, 0x2b, 0xc6, 0x6b, 0x15, 0xa1, 0x48, 0x31,
-	0x7d, 0x27, 0x6e, 0x31, 0xcb, 0xc2, 0x0b, 0x53
+		0x46, 0x1c, 0x19, 0xa9, 0x3b, 0xd4, 0x34, 0x4f, 0x92, 0x15, 0xf5, 0xec,
+		0x64, 0x35, 0x70, 0x90, 0x34, 0x2b, 0xc6, 0x6b, 0x15, 0xa1, 0x48, 0x31,
+		0x7d, 0x27, 0x6e, 0x31, 0xcb, 0xc2, 0x0b, 0x53
         };
         uint8_t m[32768];
         uint8_t digest[32];
         struct tc_sha256_state_struct s;
-        uint32_t i;
+        unsigned int i;
 
         (void)memset(m, 0x00, sizeof(m));
 
@@ -423,77 +413,91 @@
 
 int main(void)
 {
-        uint32_t result = TC_PASS;
-
+        unsigned int result = TC_PASS;
         TC_START("Performing SHA256 tests (NIST tests vectors):");
 
         result = test_1();
-        if (result == TC_FAIL) { /* terminate test */
+        if (result == TC_FAIL) {
+		/* terminate test */
                 TC_ERROR("SHA256 test #1 failed.\n");
                 goto exitTest;
         }
         result = test_2();
-        if (result == TC_FAIL) { /* terminate test */
+        if (result == TC_FAIL) {
+		/* terminate test */
                 TC_ERROR("SHA256 test #2 failed.\n");
                 goto exitTest;
         }
         result = test_3();
-        if (result == TC_FAIL) { /* terminate test */
+        if (result == TC_FAIL) {
+		/* terminate test */
                 TC_ERROR("SHA256 test #3 failed.\n");
                 goto exitTest;
         }
         result = test_4();
-        if (result == TC_FAIL) { /* terminate test */
+        if (result == TC_FAIL) {
+		/* terminate test */
                 TC_ERROR("SHA256 test #4 failed.\n");
                 goto exitTest;
         }
         result = test_5();
-        if (result == TC_FAIL) { /* terminate test */
+        if (result == TC_FAIL) {
+		/* terminate test */
                 TC_ERROR("SHA256 test #5 failed.\n");
                 goto exitTest;
         }
         result = test_6();
-        if (result == TC_FAIL) { /* terminate test */
+        if (result == TC_FAIL) {
+		/* terminate test */
                 TC_ERROR("SHA256 test #6 failed.\n");
                 goto exitTest;
         }
         result = test_7();
-        if (result == TC_FAIL) { /* terminate test */
+        if (result == TC_FAIL) {
+		/* terminate test */
                 TC_ERROR("SHA256 test #7 failed.\n");
                 goto exitTest;
         }
         result = test_8();
-        if (result == TC_FAIL) { /* terminate test */
+        if (result == TC_FAIL) {
+		/* terminate test */
                 TC_ERROR("SHA256 test #8 failed.\n");
                 goto exitTest;
         }
         result = test_9();
-        if (result == TC_FAIL) { /* terminate test */
+        if (result == TC_FAIL) {
+		/* terminate test */
                 TC_ERROR("SHA256 test #9 failed.\n");
                 goto exitTest;
         }
         result = test_10();
-        if (result == TC_FAIL) { /* terminate test */
+        if (result == TC_FAIL) {
+		/* terminate test */
                 TC_ERROR("SHA256 test #10 failed.\n");
                 goto exitTest;
         }
         result = test_11();
-        if (result == TC_FAIL) { /* terminate test */
+        if (result == TC_FAIL) {
+		/* terminate test */
                 TC_ERROR("SHA256 test #11 failed.\n");
                 goto exitTest;
         }
         result = test_12();
-        if (result == TC_FAIL) { /* terminate test */
+        if (result == TC_FAIL) {
+		/* terminate test */
                 TC_ERROR("SHA256 test #12 failed.\n");
                 goto exitTest;
         }
+  	/* memory and computation intensive test cases: */
         result = test_13();
-        if (result == TC_FAIL) { /* terminate test */
+        if (result == TC_FAIL) {
+		/* terminate test */
                 TC_ERROR("SHA256 test #13 failed.\n");
                 goto exitTest;
         }
         result = test_14();
-        if (result == TC_FAIL) { /* terminate test */
+        if (result == TC_FAIL) {
+		/* terminate test */
                 TC_ERROR("SHA256 test #14 failed.\n");
                 goto exitTest;
         }
@@ -504,3 +508,4 @@
         TC_END_RESULT(result);
         TC_END_REPORT(result);
 }
+