const uint16_t *sent_sigs;
const EVP_MD *md = NULL;
char sigalgstr[2];
- size_t sent_sigslen, i;
+ size_t sent_sigslen, i, cidx;
int pkeyid = EVP_PKEY_id(pkey);
const SIGALG_LOOKUP *lu;
SSL_R_WRONG_SIGNATURE_TYPE);
return 0;
}
+ /* Check the sigalg is consistent with the key OID */
+ if (!ssl_cert_lookup_by_nid(EVP_PKEY_id(pkey), &cidx)
+ || lu->sig_idx != (int)cidx) {
+ SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_F_TLS12_CHECK_PEER_SIGALG,
+ SSL_R_WRONG_SIGNATURE_TYPE);
+ return 0;
+ }
+
#ifndef OPENSSL_NO_EC
if (pkeyid == EVP_PKEY_EC) {