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Add pubKeySize check for SM3-with-SM2

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Ruby Martin
2026-06-08 17:22:23 -06:00
parent 52681591fe
commit 6bfb53f084
1 changed files with 4 additions and 0 deletions
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wolfcrypt/src/asn.c
+4
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@@ -23380,6 +23380,10 @@ int ParseCertRelative(DecodedCert* cert, int type, int verify, void* cm,
if (cert->extSubjKeyIdSet == 0 && cert->publicKey != NULL &&
cert->pubKeySize > 0) {
if (cert->signatureOID == CTC_SM3wSM2) {
if (cert->pubKeySize < 65) {
WOLFSSL_ERROR_VERBOSE(BUFFER_E);
return BUFFER_E;
}
/* TODO: GmSSL creates IDs this way but whole public key info
* block should be hashed. */
ret = CalcHashId_ex(cert->publicKey + cert->pubKeySize - 65, 65,