1/*
2 * Copyright 2015-2016 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#include <openssl/ec.h>
11#include "ec_local.h"
12#include <openssl/err.h>
13
14ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst, int dlen, EC_KEY *eckey)
15{
16 return ECDSA_do_sign_ex(dgst, dlen, NULL, NULL, eckey);
17}
18
19ECDSA_SIG *ECDSA_do_sign_ex(const unsigned char *dgst, int dlen,
20 const BIGNUM *kinv, const BIGNUM *rp,
21 EC_KEY *eckey)
22{
23 if (eckey->meth->sign_sig != NULL)
24 return eckey->meth->sign_sig(dgst, dlen, kinv, rp, eckey);
25 ECerr(EC_F_ECDSA_DO_SIGN_EX, EC_R_OPERATION_NOT_SUPPORTED);
26 return NULL;
27}
28
29int ECDSA_sign(int type, const unsigned char *dgst, int dlen, unsigned char
30 *sig, unsigned int *siglen, EC_KEY *eckey)
31{
32 return ECDSA_sign_ex(type, dgst, dlen, sig, siglen, NULL, NULL, eckey);
33}
34
35int ECDSA_sign_ex(int type, const unsigned char *dgst, int dlen,
36 unsigned char *sig, unsigned int *siglen, const BIGNUM *kinv,
37 const BIGNUM *r, EC_KEY *eckey)
38{
39 if (eckey->meth->sign != NULL)
40 return eckey->meth->sign(type, dgst, dlen, sig, siglen, kinv, r, eckey);
41 ECerr(EC_F_ECDSA_SIGN_EX, EC_R_OPERATION_NOT_SUPPORTED);
42 return 0;
43}
44
45int ECDSA_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in, BIGNUM **kinvp,
46 BIGNUM **rp)
47{
48 if (eckey->meth->sign_setup != NULL)
49 return eckey->meth->sign_setup(eckey, ctx_in, kinvp, rp);
50 ECerr(EC_F_ECDSA_SIGN_SETUP, EC_R_OPERATION_NOT_SUPPORTED);
51 return 0;
52}
53