Add tinycrypt 0.2.8

Signed-off-by: Fabio Utzig <utzig@apache.org>
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);
 }
+