1 /*
2 * Copyright 2015-2020 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
ECDSA_do_sign(const unsigned char * dgst,int dlen,EC_KEY * eckey)20 ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst, int dlen, EC_KEY *eckey)
21 {
22 return ECDSA_do_sign_ex(dgst, dlen, NULL, NULL, eckey);
23 }
24
ECDSA_do_sign_ex(const unsigned char * dgst,int dlen,const BIGNUM * kinv,const BIGNUM * rp,EC_KEY * eckey)25 ECDSA_SIG *ECDSA_do_sign_ex(const unsigned char *dgst, int dlen,
26 const BIGNUM *kinv, const BIGNUM *rp,
27 EC_KEY *eckey)
28 {
29 if (eckey->meth->sign_sig != NULL)
30 return eckey->meth->sign_sig(dgst, dlen, kinv, rp, eckey);
31 ERR_raise(ERR_LIB_EC, EC_R_OPERATION_NOT_SUPPORTED);
32 return NULL;
33 }
34
ECDSA_sign(int type,const unsigned char * dgst,int dlen,unsigned char * sig,unsigned int * siglen,EC_KEY * eckey)35 int ECDSA_sign(int type, const unsigned char *dgst, int dlen, unsigned char
36 *sig, unsigned int *siglen, EC_KEY *eckey)
37 {
38 return ECDSA_sign_ex(type, dgst, dlen, sig, siglen, NULL, NULL, eckey);
39 }
40
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)41 int ECDSA_sign_ex(int type, const unsigned char *dgst, int dlen,
42 unsigned char *sig, unsigned int *siglen, const BIGNUM *kinv,
43 const BIGNUM *r, EC_KEY *eckey)
44 {
45 if (eckey->meth->sign != NULL)
46 return eckey->meth->sign(type, dgst, dlen, sig, siglen, kinv, r, eckey);
47 ERR_raise(ERR_LIB_EC, EC_R_OPERATION_NOT_SUPPORTED);
48 return 0;
49 }
50
ECDSA_sign_setup(EC_KEY * eckey,BN_CTX * ctx_in,BIGNUM ** kinvp,BIGNUM ** rp)51 int ECDSA_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in, BIGNUM **kinvp,
52 BIGNUM **rp)
53 {
54 if (eckey->meth->sign_setup != NULL)
55 return eckey->meth->sign_setup(eckey, ctx_in, kinvp, rp);
56 ERR_raise(ERR_LIB_EC, EC_R_OPERATION_NOT_SUPPORTED);
57 return 0;
58 }
59