ssl/s3_enc.c: fix logical errors in ssl3_final_finish_mac.

Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Paul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/7085)
This commit is contained in:
Andy Polyakov 2018-09-02 13:07:58 +02:00
parent fc97c882f4
commit 7d0effeacb

View file

@ -442,15 +442,16 @@ size_t ssl3_final_finish_mac(SSL *s, const char *sender, size_t len,
if (!EVP_MD_CTX_copy_ex(ctx, s->s3->handshake_dgst)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_FINAL_FINISH_MAC,
ERR_R_INTERNAL_ERROR);
return 0;
ret = 0;
goto err;
}
ret = EVP_MD_CTX_size(ctx);
if (ret < 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_FINAL_FINISH_MAC,
ERR_R_INTERNAL_ERROR);
EVP_MD_CTX_reset(ctx);
return 0;
ret = 0;
goto err;
}
if ((sender != NULL && EVP_DigestUpdate(ctx, sender, len) <= 0)
@ -463,6 +464,7 @@ size_t ssl3_final_finish_mac(SSL *s, const char *sender, size_t len,
ret = 0;
}
err:
EVP_MD_CTX_free(ctx);
return ret;