yuzu/externals/libressl/crypto/rsa/rsa_meth.c

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2022-04-25 00:29:35 +04:00
/* $OpenBSD: rsa_meth.c,v 1.4 2022/01/07 09:55:32 tb Exp $ */
2020-12-28 19:15:37 +04:00
/*
* Copyright (c) 2018 Theo Buehler <tb@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <stdlib.h>
#include <string.h>
#include <openssl/err.h>
#include <openssl/rsa.h>
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#include "rsa_locl.h"
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RSA_METHOD *
RSA_meth_new(const char *name, int flags)
{
RSA_METHOD *meth;
if ((meth = calloc(1, sizeof(*meth))) == NULL)
return NULL;
if ((meth->name = strdup(name)) == NULL) {
free(meth);
return NULL;
}
meth->flags = flags;
return meth;
}
void
RSA_meth_free(RSA_METHOD *meth)
{
if (meth != NULL) {
free((char *)meth->name);
free(meth);
}
}
RSA_METHOD *
RSA_meth_dup(const RSA_METHOD *meth)
{
RSA_METHOD *copy;
if ((copy = calloc(1, sizeof(*copy))) == NULL)
return NULL;
memcpy(copy, meth, sizeof(*copy));
if ((copy->name = strdup(meth->name)) == NULL) {
free(copy);
return NULL;
}
return copy;
}
int
RSA_meth_set1_name(RSA_METHOD *meth, const char *name)
{
char *copy;
if ((copy = strdup(name)) == NULL)
return 0;
free((char *)meth->name);
meth->name = copy;
return 1;
}
int
(*RSA_meth_get_finish(const RSA_METHOD *meth))(RSA *rsa)
{
return meth->finish;
}
int
RSA_meth_set_priv_enc(RSA_METHOD *meth, int (*priv_enc)(int flen,
const unsigned char *from, unsigned char *to, RSA *rsa, int padding))
{
meth->rsa_priv_enc = priv_enc;
return 1;
}
int
RSA_meth_set_priv_dec(RSA_METHOD *meth, int (*priv_dec)(int flen,
const unsigned char *from, unsigned char *to, RSA *rsa, int padding))
{
meth->rsa_priv_dec = priv_dec;
return 1;
}
int
RSA_meth_set_finish(RSA_METHOD *meth, int (*finish)(RSA *rsa))
{
meth->finish = finish;
return 1;
}
int
RSA_meth_set_pub_enc(RSA_METHOD *meth, int (*pub_enc)(int flen,
const unsigned char *from, unsigned char *to, RSA *rsa, int padding))
{
meth->rsa_pub_enc = pub_enc;
return 1;
}
int
RSA_meth_set_pub_dec(RSA_METHOD *meth, int (*pub_dec)(int flen,
const unsigned char *from, unsigned char *to, RSA *rsa, int padding))
{
meth->rsa_pub_dec = pub_dec;
return 1;
}
int
RSA_meth_set_mod_exp(RSA_METHOD *meth, int (*mod_exp)(BIGNUM *r0,
const BIGNUM *i, RSA *rsa, BN_CTX *ctx))
{
meth->rsa_mod_exp = mod_exp;
return 1;
}
int
RSA_meth_set_bn_mod_exp(RSA_METHOD *meth, int (*bn_mod_exp)(BIGNUM *r,
const BIGNUM *a, const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
BN_MONT_CTX *m_ctx))
{
meth->bn_mod_exp = bn_mod_exp;
return 1;
}
int
RSA_meth_set_init(RSA_METHOD *meth, int (*init)(RSA *rsa))
{
meth->init = init;
return 1;
}
int
RSA_meth_set_keygen(RSA_METHOD *meth, int (*keygen)(RSA *rsa, int bits,
BIGNUM *e, BN_GENCB *cb))
{
meth->rsa_keygen = keygen;
return 1;
}
int
RSA_meth_set_flags(RSA_METHOD *meth, int flags)
{
meth->flags = flags;
return 1;
}
int
RSA_meth_set0_app_data(RSA_METHOD *meth, void *app_data)
{
meth->app_data = app_data;
return 1;
}
const char *
RSA_meth_get0_name(const RSA_METHOD *meth)
{
return meth->name;
}
int
(*RSA_meth_get_pub_enc(const RSA_METHOD *meth))(int flen,
const unsigned char *from, unsigned char *to, RSA *rsa, int padding)
{
return meth->rsa_pub_enc;
}
int
(*RSA_meth_get_pub_dec(const RSA_METHOD *meth))(int flen,
const unsigned char *from, unsigned char *to, RSA *rsa, int padding)
{
return meth->rsa_pub_dec;
}
int
(*RSA_meth_get_priv_enc(const RSA_METHOD *meth))(int flen,
const unsigned char *from, unsigned char *to, RSA *rsa, int padding)
{
return meth->rsa_priv_enc;
}
int
(*RSA_meth_get_priv_dec(const RSA_METHOD *meth))(int flen,
const unsigned char *from, unsigned char *to, RSA *rsa, int padding)
{
return meth->rsa_priv_dec;
}
int
(*RSA_meth_get_mod_exp(const RSA_METHOD *meth))(BIGNUM *r0, const BIGNUM *i,
RSA *rsa, BN_CTX *ctx)
{
return meth->rsa_mod_exp;
}
int
(*RSA_meth_get_bn_mod_exp(const RSA_METHOD *meth))(BIGNUM *r,
const BIGNUM *a, const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
BN_MONT_CTX *m_ctx)
{
return meth->bn_mod_exp;
}
int
(*RSA_meth_get_init(const RSA_METHOD *meth))(RSA *rsa)
{
return meth->init;
}
int
(*RSA_meth_get_keygen(const RSA_METHOD *meth))(RSA *rsa, int bits, BIGNUM *e,
BN_GENCB *cb)
{
return meth->rsa_keygen;
}
int
RSA_meth_get_flags(const RSA_METHOD *meth)
{
return meth->flags;
}
void *
RSA_meth_get0_app_data(const RSA_METHOD *meth)
{
return meth->app_data;
}
int
(*RSA_meth_get_sign(const RSA_METHOD *meth))(int type,
const unsigned char *m, unsigned int m_length,
unsigned char *sigret, unsigned int *siglen,
const RSA *rsa)
{
return meth->rsa_sign;
}
int
RSA_meth_set_sign(RSA_METHOD *meth, int (*sign)(int type,
const unsigned char *m, unsigned int m_length, unsigned char *sigret,
unsigned int *siglen, const RSA *rsa))
{
meth->rsa_sign = sign;
return 1;
}
int
(*RSA_meth_get_verify(const RSA_METHOD *meth))(int dtype,
const unsigned char *m, unsigned int m_length, const unsigned char *sigbuf,
unsigned int siglen, const RSA *rsa)
{
return meth->rsa_verify;
}
int
RSA_meth_set_verify(RSA_METHOD *meth, int (*verify)(int dtype,
const unsigned char *m, unsigned int m_length, const unsigned char *sigbuf,
unsigned int siglen, const RSA *rsa))
{
meth->rsa_verify = verify;
return 1;
}