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add negative value check after wc_HashGetDigestSize

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Ruby Martin
2026-06-09 10:43:33 -06:00
parent fa5247b516
commit 1786cebf8c
1 changed files with 7 additions and 2 deletions
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wolfcrypt/src/asn.c
+7 -2
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@@ -30236,11 +30236,16 @@ static int SetAuthKeyIdFromDcert(Cert* cert, DecodedCert* decoded)
#if defined(WOLFSSL_SM2) && defined(WOLFSSL_SM3)
cert->akidSz = wc_HashGetDigestSize(wc_HashTypeConvert(HashIdAlg(
cert->sigType)));
if (cert->akidSz <= 0) {
ret = HASH_TYPE_E;
}
#else
cert->akidSz = KEYID_SIZE;
#endif
/* Put the SKID of CA to AKID of certificate */
XMEMCPY(cert->akid, decoded->extSubjKeyId, (size_t)cert->akidSz);
if (ret == 0) {
/* Put the SKID of CA to AKID of certificate */
XMEMCPY(cert->akid, decoded->extSubjKeyId, (size_t)cert->akidSz);
}
}
return ret;