Add unit tests for primitive test vectors
Add a unit test for both ECDSA and ECDH, testing
reference test vectors for secp256r1.
diff --git a/tests/suites/test_suite_tinycrypt.function b/tests/suites/test_suite_tinycrypt.function
index 0691d10..36e4c66 100644
--- a/tests/suites/test_suite_tinycrypt.function
+++ b/tests/suites/test_suite_tinycrypt.function
@@ -71,4 +71,61 @@
TEST_ASSERT( uECC_verify( public, hash, sizeof( hash ), sig, curve ) != 0 );
}
-/* END_CASE */
\ No newline at end of file
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:MBEDTLS_USE_TINYCRYPT */
+void ecdh_primitive_testvec( data_t * private1, data_t * xA_str,
+ data_t * yA_str, data_t * private2,
+ data_t * xB_str, data_t * yB_str, data_t * z_str )
+{
+ const struct uECC_Curve_t * curve = uECC_secp256r1();
+ 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};
+
+ memcpy( public1, xA_str->x, xA_str->len );
+ memcpy( public1 + NUM_ECC_BYTES, yA_str->x, yA_str->len );
+ memcpy( public2, xB_str->x, xB_str->len );
+ memcpy( public2 + NUM_ECC_BYTES, yB_str->x, yB_str->len );
+
+ // Compute shared secrets and compare to test vector secret
+ TEST_ASSERT( uECC_shared_secret( public2, private1->x, secret1, curve ) != 0 );
+
+ TEST_ASSERT( uECC_shared_secret( public1, private2->x, secret2, curve ) != 0 );
+
+ TEST_ASSERT( memcmp( secret1, secret2, sizeof( secret1 ) ) == 0 );
+ TEST_ASSERT( memcmp( secret1, z_str->x, sizeof( secret1 ) ) == 0 );
+ TEST_ASSERT( memcmp( secret2, z_str->x, sizeof( secret2 ) ) == 0 );
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:MBEDTLS_USE_TINYCRYPT */
+void ecdsa_primitive_testvec( data_t * xQ_str, data_t * yQ_str,
+ data_t * hash, data_t * r_str, data_t * s_str,
+ int result )
+{
+ const struct uECC_Curve_t * curve = uECC_secp256r1();
+ uint8_t pub_bytes[2*NUM_ECC_BYTES] = {0};
+ uint8_t sig_bytes[2*NUM_ECC_BYTES] = {0};
+
+ memcpy( pub_bytes, xQ_str->x, xQ_str->len );
+ memcpy( pub_bytes + NUM_ECC_BYTES, yQ_str->x, yQ_str->len );
+ memcpy( sig_bytes, r_str->x, r_str->len );
+ memcpy( sig_bytes + NUM_ECC_BYTES, s_str->x, r_str->len );
+
+ TEST_ASSERT( uECC_verify( pub_bytes, hash->x, hash->len,
+ sig_bytes, curve ) == result );
+
+ // Alter the signature and check the verification fails
+ for( int i = 0; i < 2*NUM_ECC_BYTES; i++ )
+ {
+ uint8_t temp = sig_bytes[i];
+ sig_bytes[i] = ( sig_bytes[i] + 1 ) % 256;
+ TEST_ASSERT( uECC_verify( pub_bytes, hash->x, hash->len,
+ sig_bytes, curve ) == 0 );
+ sig_bytes[i] = temp;
+ }
+
+}
+/* END_CASE */