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surjectionproof: use secp256k1_memcmp_var rather than bare memcmp

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Co-authored-by: Tim Ruffing <crypto@timruffing.de>
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Andrew Poelstra 2022-07-29 21:04:04 +00:00 committed by GitHub
parent bf18ff5a8c
commit d1175d265d
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1 changed files with 1 additions and 1 deletions
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src/modules/surjection/main_impl.h
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@ -312,7 +312,7 @@ int secp256k1_surjectionproof_generate(const secp256k1_context* ctx, secp256k1_s
* it is deployed on Liquid and cannot be fixed without a hardfork. We should review
* this at the same time that we relax the max-256-inputs rule. */
for (i = 0; i < n_ephemeral_input_tags; i++) {
if (memcmp(ephemeral_input_tags[i].data, ephemeral_output_tag->data, sizeof(ephemeral_output_tag->data)) == 0) {
if (secp256k1_memcmp_var(ephemeral_input_tags[i].data, ephemeral_output_tag->data, sizeof(ephemeral_output_tag->data)) == 0) {
return 0;
}
}