diff options
Diffstat (limited to 'src/test/test_crypto.c')
| -rw-r--r-- | src/test/test_crypto.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/test/test_crypto.c b/src/test/test_crypto.c index 0ef5e42a15..d4478d59dd 100644 --- a/src/test/test_crypto.c +++ b/src/test/test_crypto.c @@ -1409,6 +1409,53 @@ test_crypto_ed25519_convert(void *arg) } static void +test_crypto_ed25519_blinding(void *arg) +{ + const uint8_t msg[] = + "Eyes I dare not meet in dreams / In death's dream kingdom"; + + const int N = 30; + int i; + (void)arg; + + for (i = 0; i < N; ++i) { + uint8_t blinding[32]; + ed25519_keypair_t ed25519_keypair; + ed25519_keypair_t ed25519_keypair_blinded; + ed25519_public_key_t ed25519_pubkey_blinded; + + ed25519_signature_t sig; + + crypto_rand((char*) blinding, sizeof(blinding)); + + tt_int_op(0,==,ed25519_keypair_generate(&ed25519_keypair, 0)); + tt_int_op(0,==,ed25519_keypair_blind(&ed25519_keypair_blinded, + &ed25519_keypair, blinding)); + + tt_int_op(0,==,ed25519_public_blind(&ed25519_pubkey_blinded, + &ed25519_keypair.pubkey, blinding)); + + tt_mem_op(ed25519_pubkey_blinded.pubkey, ==, + ed25519_keypair_blinded.pubkey.pubkey, 32); + + tt_int_op(0,==,ed25519_sign(&sig, msg, sizeof(msg), + &ed25519_keypair_blinded)); + + tt_int_op(0,==,ed25519_checksig(&sig, msg, sizeof(msg), + &ed25519_pubkey_blinded)); + + tt_int_op(-1,==,ed25519_checksig(&sig, msg, sizeof(msg)-1, + &ed25519_pubkey_blinded)); + sig.sig[0] ^= 15; + tt_int_op(-1,==,ed25519_checksig(&sig, msg, sizeof(msg), + &ed25519_pubkey_blinded)); + } + + done: + ; +} + +static void test_crypto_siphash(void *arg) { /* From the reference implementation, taking @@ -1549,6 +1596,7 @@ struct testcase_t crypto_tests[] = { { "ed25519_test_vectors", test_crypto_ed25519_test_vectors, 0, NULL, NULL }, { "ed25519_encode", test_crypto_ed25519_encode, 0, NULL, NULL }, { "ed25519_convert", test_crypto_ed25519_convert, 0, NULL, NULL }, + { "ed25519_blinding", test_crypto_ed25519_blinding, 0, NULL, NULL }, #endif { "siphash", test_crypto_siphash, 0, NULL, NULL }, END_OF_TESTCASES |