1/*
2 * Copyright 2002-2020 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License").  You may not use
5 * this file except in compliance with the License.  You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10/*
11 * ECDSA low level APIs are deprecated for public use, but still ok for
12 * internal use.
13 */
14#include "internal/deprecated.h"
15
16#include <openssl/ec.h>
17#include "ec_local.h"
18#include <openssl/err.h>
19
20/*-
21 * returns
22 *      1: correct signature
23 *      0: incorrect signature
24 *     -1: error
25 */
26int ECDSA_do_verify(const unsigned char *dgst, int dgst_len,
27                    const ECDSA_SIG *sig, EC_KEY *eckey)
28{
29    if (eckey->meth->verify_sig != NULL)
30        return eckey->meth->verify_sig(dgst, dgst_len, sig, eckey);
31    ERR_raise(ERR_LIB_EC, EC_R_OPERATION_NOT_SUPPORTED);
32    return -1;
33}
34
35/*-
36 * returns
37 *      1: correct signature
38 *      0: incorrect signature
39 *     -1: error
40 */
41int ECDSA_verify(int type, const unsigned char *dgst, int dgst_len,
42                 const unsigned char *sigbuf, int sig_len, EC_KEY *eckey)
43{
44    if (eckey->meth->verify != NULL)
45        return eckey->meth->verify(type, dgst, dgst_len, sigbuf, sig_len,
46                                   eckey);
47    ERR_raise(ERR_LIB_EC, EC_R_OPERATION_NOT_SUPPORTED);
48    return -1;
49}
50