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 */
ECDSA_do_verify(const unsigned char * dgst,int dgst_len,const ECDSA_SIG * sig,EC_KEY * eckey)26 int 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 */
ECDSA_verify(int type,const unsigned char * dgst,int dgst_len,const unsigned char * sigbuf,int sig_len,EC_KEY * eckey)41 int 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
