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/*
* Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <openssl/ec.h>
#include "ec_lcl.h"
#include <openssl/err.h>
ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst, int dlen, EC_KEY *eckey)
{
return ECDSA_do_sign_ex(dgst, dlen, NULL, NULL, eckey);
}
ECDSA_SIG *ECDSA_do_sign_ex(const unsigned char *dgst, int dlen,
const BIGNUM *kinv, const BIGNUM *rp,
EC_KEY *eckey)
{
if (eckey->meth->sign_sig != NULL)
return eckey->meth->sign_sig(dgst, dlen, kinv, rp, eckey);
ECerr(EC_F_ECDSA_DO_SIGN_EX, EC_R_OPERATION_NOT_SUPPORTED);
return NULL;
}
int ECDSA_sign(int type, const unsigned char *dgst, int dlen, unsigned char
*sig, unsigned int *siglen, EC_KEY *eckey)
{
return ECDSA_sign_ex(type, dgst, dlen, sig, siglen, NULL, NULL, eckey);
}
int 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)
{
if (eckey->meth->sign != NULL)
return eckey->meth->sign(type, dgst, dlen, sig, siglen, kinv, r, eckey);
ECerr(EC_F_ECDSA_SIGN_EX, EC_R_OPERATION_NOT_SUPPORTED);
return 0;
}
int ECDSA_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in, BIGNUM **kinvp,
BIGNUM **rp)
{
if (eckey->meth->sign_setup != NULL)
return eckey->meth->sign_setup(eckey, ctx_in, kinvp, rp);
ECerr(EC_F_ECDSA_SIGN_SETUP, EC_R_OPERATION_NOT_SUPPORTED);
return 0;
}