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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4
src/modules/schnorrsig/tests_exhaustive_impl.h
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@@ -163,9 +163,9 @@ static void test_exhaustive_schnorrsig_sign(const secp256k1_context *ctx, unsign
/* Invoke the real function to construct a signature. */
CHECK(secp256k1_schnorrsig_sign(ctx, sig64, msg32, &keypairs[d - 1], secp256k1_hardened_nonce_function_smallint, &k));
/* The first 32 bytes must match the xonly pubkey for the specified k. */
CHECK(memcmp(sig64, xonly_pubkey_bytes[k - 1], 32) == 0);
CHECK(secp256k1_memcmp_var(sig64, xonly_pubkey_bytes[k - 1], 32) == 0);
/* The last 32 bytes must match the expected s value. */
CHECK(memcmp(sig64 + 32, expected_s_bytes, 32) == 0);
CHECK(secp256k1_memcmp_var(sig64 + 32, expected_s_bytes, 32) == 0);
/* Don't retry other messages that result in the same challenge. */
e_done[e] = 1;
++e_count_done;