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fix: use constant-time comparisons for auth tags

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wangtsiao
2026-06-12 19:13:30 -10:00
parent 23375d1fa3
commit 3163d7d927
6 changed files with 7 additions and 7 deletions
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2
src/sm4_ccm.c
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@@ -216,7 +216,7 @@ int sm4_ccm_decrypt(const SM4_KEY *sm4_key, const uint8_t *iv, size_t ivlen,
// diff from encrypt
gmssl_memxor(mac, mac, block, taglen);
if (memcmp(mac, tag, taglen) != 0) {
if (gmssl_secure_memcmp(mac, tag, taglen) != 0) {
error_print();
gmssl_secure_clear(&mac_ctx, sizeof(mac_ctx));
return -1;