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/*
* Copyright 2016-2018 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
*/
/*
* Licensed under the OpenSSL licenses, (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* https://www.openssl.org/source/license.html
* or in the file LICENSE in the source distribution.
*/
#include "dsa_local.h"
#include <string.h>
#include <openssl/err.h>
DSA_METHOD *DSA_meth_new(const char *name, int flags)
{
DSA_METHOD *dsam = OPENSSL_zalloc(sizeof(*dsam));
if (dsam != NULL) {
dsam->flags = flags;
dsam->name = OPENSSL_strdup(name);
if (dsam->name != NULL)
return dsam;
OPENSSL_free(dsam);
}
DSAerr(DSA_F_DSA_METH_NEW, ERR_R_MALLOC_FAILURE);
return NULL;
}
void DSA_meth_free(DSA_METHOD *dsam)
{
if (dsam != NULL) {
OPENSSL_free(dsam->name);
OPENSSL_free(dsam);
}
}
DSA_METHOD *DSA_meth_dup(const DSA_METHOD *dsam)
{
DSA_METHOD *ret = OPENSSL_malloc(sizeof(*ret));
if (ret != NULL) {
memcpy(ret, dsam, sizeof(*dsam));
ret->name = OPENSSL_strdup(dsam->name);
if (ret->name != NULL)
return ret;
OPENSSL_free(ret);
}
DSAerr(DSA_F_DSA_METH_DUP, ERR_R_MALLOC_FAILURE);
return NULL;
}
const char *DSA_meth_get0_name(const DSA_METHOD *dsam)
{
return dsam->name;
}
int DSA_meth_set1_name(DSA_METHOD *dsam, const char *name)
{
char *tmpname = OPENSSL_strdup(name);
if (tmpname == NULL) {
DSAerr(DSA_F_DSA_METH_SET1_NAME, ERR_R_MALLOC_FAILURE);
return 0;
}
OPENSSL_free(dsam->name);
dsam->name = tmpname;
return 1;
}
int DSA_meth_get_flags(const DSA_METHOD *dsam)
{
return dsam->flags;
}
int DSA_meth_set_flags(DSA_METHOD *dsam, int flags)
{
dsam->flags = flags;
return 1;
}
void *DSA_meth_get0_app_data(const DSA_METHOD *dsam)
{
return dsam->app_data;
}
int DSA_meth_set0_app_data(DSA_METHOD *dsam, void *app_data)
{
dsam->app_data = app_data;
return 1;
}
DSA_SIG *(*DSA_meth_get_sign(const DSA_METHOD *dsam))
(const unsigned char *, int, DSA *)
{
return dsam->dsa_do_sign;
}
int DSA_meth_set_sign(DSA_METHOD *dsam,
DSA_SIG *(*sign) (const unsigned char *, int, DSA *))
{
dsam->dsa_do_sign = sign;
return 1;
}
int (*DSA_meth_get_sign_setup(const DSA_METHOD *dsam))
(DSA *, BN_CTX *, BIGNUM **, BIGNUM **)
{
return dsam->dsa_sign_setup;
}
int DSA_meth_set_sign_setup(DSA_METHOD *dsam,
int (*sign_setup) (DSA *, BN_CTX *, BIGNUM **, BIGNUM **))
{
dsam->dsa_sign_setup = sign_setup;
return 1;
}
int (*DSA_meth_get_verify(const DSA_METHOD *dsam))
(const unsigned char *, int, DSA_SIG *, DSA *)
{
return dsam->dsa_do_verify;
}
int DSA_meth_set_verify(DSA_METHOD *dsam,
int (*verify) (const unsigned char *, int, DSA_SIG *, DSA *))
{
dsam->dsa_do_verify = verify;
return 1;
}
int (*DSA_meth_get_mod_exp(const DSA_METHOD *dsam))
(DSA *, BIGNUM *, const BIGNUM *, const BIGNUM *, const BIGNUM *,
const BIGNUM *, const BIGNUM *, BN_CTX *, BN_MONT_CTX *)
{
return dsam->dsa_mod_exp;
}
int DSA_meth_set_mod_exp(DSA_METHOD *dsam,
int (*mod_exp) (DSA *, BIGNUM *, const BIGNUM *, const BIGNUM *,
const BIGNUM *, const BIGNUM *, const BIGNUM *, BN_CTX *,
BN_MONT_CTX *))
{
dsam->dsa_mod_exp = mod_exp;
return 1;
}
int (*DSA_meth_get_bn_mod_exp(const DSA_METHOD *dsam))
(DSA *, BIGNUM *, const BIGNUM *, const BIGNUM *, const BIGNUM *, BN_CTX *,
BN_MONT_CTX *)
{
return dsam->bn_mod_exp;
}
int DSA_meth_set_bn_mod_exp(DSA_METHOD *dsam,
int (*bn_mod_exp) (DSA *, BIGNUM *, const BIGNUM *, const BIGNUM *,
const BIGNUM *, BN_CTX *, BN_MONT_CTX *))
{
dsam->bn_mod_exp = bn_mod_exp;
return 1;
}
int (*DSA_meth_get_init(const DSA_METHOD *dsam))(DSA *)
{
return dsam->init;
}
int DSA_meth_set_init(DSA_METHOD *dsam, int (*init)(DSA *))
{
dsam->init = init;
return 1;
}
int (*DSA_meth_get_finish(const DSA_METHOD *dsam)) (DSA *)
{
return dsam->finish;
}
int DSA_meth_set_finish(DSA_METHOD *dsam, int (*finish) (DSA *))
{
dsam->finish = finish;
return 1;
}
int (*DSA_meth_get_paramgen(const DSA_METHOD *dsam))
(DSA *, int, const unsigned char *, int, int *, unsigned long *,
BN_GENCB *)
{
return dsam->dsa_paramgen;
}
int DSA_meth_set_paramgen(DSA_METHOD *dsam,
int (*paramgen) (DSA *, int, const unsigned char *, int, int *,
unsigned long *, BN_GENCB *))
{
dsam->dsa_paramgen = paramgen;
return 1;
}
int (*DSA_meth_get_keygen(const DSA_METHOD *dsam)) (DSA *)
{
return dsam->dsa_keygen;
}
int DSA_meth_set_keygen(DSA_METHOD *dsam, int (*keygen) (DSA *))
{
dsam->dsa_keygen = keygen;
return 1;
}
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