1 /*
2 * Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the OpenSSL license (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
ECDSA_do_sign(const unsigned char * dgst,int dlen,EC_KEY * eckey)14 ECDSA_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
ECDSA_do_sign_ex(const unsigned char * dgst,int dlen,const BIGNUM * kinv,const BIGNUM * rp,EC_KEY * eckey)19 ECDSA_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
ECDSA_sign(int type,const unsigned char * dgst,int dlen,unsigned char * sig,unsigned int * siglen,EC_KEY * eckey)29 int 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
ECDSA_sign_ex(int type,const unsigned char * dgst,int dlen,unsigned char * sig,unsigned int * siglen,const BIGNUM * kinv,const BIGNUM * r,EC_KEY * eckey)35 int 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
ECDSA_sign_setup(EC_KEY * eckey,BN_CTX * ctx_in,BIGNUM ** kinvp,BIGNUM ** rp)45 int 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