2 * Copyright 2015-2020 The OpenSSL Project Authors. All Rights Reserved.
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
11 * ECDSA low level APIs are deprecated for public use, but still ok for
14 #include "internal/deprecated.h"
16 #include <openssl/ec.h>
18 #include <openssl/err.h>
20 ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst, int dlen, EC_KEY *eckey)
22 return ECDSA_do_sign_ex(dgst, dlen, NULL, NULL, eckey);
25 ECDSA_SIG *ECDSA_do_sign_ex(const unsigned char *dgst, int dlen,
26 const BIGNUM *kinv, const BIGNUM *rp,
29 if (eckey->meth->sign_sig != NULL)
30 return eckey->meth->sign_sig(dgst, dlen, kinv, rp, eckey);
31 ECerr(EC_F_ECDSA_DO_SIGN_EX, EC_R_OPERATION_NOT_SUPPORTED);
35 int ECDSA_sign(int type, const unsigned char *dgst, int dlen, unsigned char
36 *sig, unsigned int *siglen, EC_KEY *eckey)
38 return ECDSA_sign_ex(type, dgst, dlen, sig, siglen, NULL, NULL, 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)
45 if (eckey->meth->sign != NULL)
46 return eckey->meth->sign(type, dgst, dlen, sig, siglen, kinv, r, eckey);
47 ECerr(EC_F_ECDSA_SIGN_EX, EC_R_OPERATION_NOT_SUPPORTED);
51 int ECDSA_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in, BIGNUM **kinvp,
54 if (eckey->meth->sign_setup != NULL)
55 return eckey->meth->sign_setup(eckey, ctx_in, kinvp, rp);
56 ECerr(EC_F_ECDSA_SIGN_SETUP, EC_R_OPERATION_NOT_SUPPORTED);