frost/secp256k1-zkp
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Switch to our own memcmp function

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Fixes #823.
This commit is contained in:
Tim Ruffing
2020-09-24 12:12:48 +02:00
committed by Pieter Wuille
parent 63150ab4da
commit 6173839c90
12 changed files with 191 additions and 173 deletions
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6
src/modules/recovery/tests_impl.h
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@@ -184,7 +184,7 @@ void test_ecdsa_recovery_end_to_end(void) {
CHECK(secp256k1_ecdsa_sign_recoverable(ctx, &rsignature[3], message, privkey, NULL, extra) == 1);
CHECK(secp256k1_ecdsa_recoverable_signature_serialize_compact(ctx, sig, &recid, &rsignature[4]) == 1);
CHECK(secp256k1_ecdsa_recoverable_signature_convert(ctx, &signature[4], &rsignature[4]) == 1);
CHECK(memcmp(&signature[4], &signature[0], 64) == 0);
CHECK(secp256k1_memcmp_var(&signature[4], &signature[0], 64) == 0);
CHECK(secp256k1_ecdsa_verify(ctx, &signature[4], message, &pubkey) == 1);
memset(&rsignature[4], 0, sizeof(rsignature[4]));
CHECK(secp256k1_ecdsa_recoverable_signature_parse_compact(ctx, &rsignature[4], sig, recid) == 1);
@@ -193,7 +193,7 @@ void test_ecdsa_recovery_end_to_end(void) {
/* Parse compact (with recovery id) and recover. */
CHECK(secp256k1_ecdsa_recoverable_signature_parse_compact(ctx, &rsignature[4], sig, recid) == 1);
CHECK(secp256k1_ecdsa_recover(ctx, &recpubkey, &rsignature[4], message) == 1);
CHECK(memcmp(&pubkey, &recpubkey, sizeof(pubkey)) == 0);
CHECK(secp256k1_memcmp_var(&pubkey, &recpubkey, sizeof(pubkey)) == 0);
/* Serialize/destroy/parse signature and verify again. */
CHECK(secp256k1_ecdsa_recoverable_signature_serialize_compact(ctx, sig, &recid, &rsignature[4]) == 1);
sig[secp256k1_testrand_bits(6)] += 1 + secp256k1_testrand_int(255);
@@ -202,7 +202,7 @@ void test_ecdsa_recovery_end_to_end(void) {
CHECK(secp256k1_ecdsa_verify(ctx, &signature[4], message, &pubkey) == 0);
/* Recover again */
CHECK(secp256k1_ecdsa_recover(ctx, &recpubkey, &rsignature[4], message) == 0 ||
memcmp(&pubkey, &recpubkey, sizeof(pubkey)) != 0);
secp256k1_memcmp_var(&pubkey, &recpubkey, sizeof(pubkey)) != 0);
}
/* Tests several edge cases. */