+ else
+ {
+ /* In this case there's no padding, so |rec->orig_len|
+ * equals |rec->length| and we checked that there's
+ * enough bytes for |mac_size| above. */
+ rr->length -= mac_size;
+ mac = &rr->data[rr->length];
+ }
+
+ i=s->method->ssl3_enc->mac(s,md,0 /* not send */);
+ if (i < 0 || mac == NULL || CRYPTO_memcmp(md, mac, (size_t)mac_size) != 0)
+ enc_err = -1;
+ if (rr->length > SSL3_RT_MAX_COMPRESSED_LENGTH+extra+mac_size)
+ enc_err = -1;
+ }
+
+ if (enc_err < 0)
+ {
+ /* A separate 'decryption_failed' alert was introduced with TLS 1.0,
+ * SSL 3.0 only has 'bad_record_mac'. But unless a decryption
+ * failure is directly visible from the ciphertext anyway,
+ * we should not reveal which kind of error occured -- this
+ * might become visible to an attacker (e.g. via a logfile) */
+ al=SSL_AD_BAD_RECORD_MAC;
+ SSLerr(SSL_F_SSL3_GET_RECORD,SSL_R_DECRYPTION_FAILED_OR_BAD_RECORD_MAC);
+ goto f_err;