Add a unit test for ECDSA
Add a basic unit test for the ECDSA part of the tinycrypt.
It generates keys, signs and verifies. Modified from tinycrypt
tests found in tinycrypt-repository.
diff --git a/tests/suites/test_suite_tinycrypt.data b/tests/suites/test_suite_tinycrypt.data
index 85d5992..d76550e 100644
--- a/tests/suites/test_suite_tinycrypt.data
+++ b/tests/suites/test_suite_tinycrypt.data
@@ -1,2 +1,5 @@
Tinycrypt ECDH
test_ecdh:
+
+Tinycrypt ECDSA
+test_ecdsa:
diff --git a/tests/suites/test_suite_tinycrypt.function b/tests/suites/test_suite_tinycrypt.function
index eb347ea..698058f 100644
--- a/tests/suites/test_suite_tinycrypt.function
+++ b/tests/suites/test_suite_tinycrypt.function
@@ -33,3 +33,27 @@
TEST_ASSERT( memcmp( secret1, secret2, sizeof( secret1 ) ) == 0 );
}
/* END_CASE */
+
+/* BEGIN_CASE depends_on:MBEDTLS_USE_TINYCRYPT */
+void test_ecdsa()
+{
+ uint8_t private[NUM_ECC_BYTES] = {0};
+ uint8_t public[2*NUM_ECC_BYTES] = {0};
+ uint8_t hash[NUM_ECC_BYTES] = {0};
+ uint8_t sig[2*NUM_ECC_BYTES] = {0};
+ unsigned int hash_words[NUM_ECC_WORDS] = {0};
+
+ const struct uECC_Curve_t * curve = uECC_secp256r1();
+
+ uECC_generate_random_int( hash_words, curve->n,
+ BITS_TO_WORDS( curve->num_n_bits ) );
+
+ uECC_vli_nativeToBytes( hash, NUM_ECC_BYTES, hash_words );
+
+ TEST_ASSERT( uECC_make_key( public, private, curve ) != 0 );
+
+ TEST_ASSERT( uECC_sign( private, hash, sizeof( hash ), sig, curve ) != 0 );
+
+ TEST_ASSERT( uECC_verify( public, hash, sizeof( hash ), sig, curve ) != 0 );
+}
+/* END_CASE */
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