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276 lines
5.7 KiB
C
276 lines
5.7 KiB
C
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/* $OpenBSD: rsa_meth.c,v 1.3 2019/06/05 15:41:33 gilles Exp $ */
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/*
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* Copyright (c) 2018 Theo Buehler <tb@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <openssl/err.h>
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#include <openssl/rsa.h>
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RSA_METHOD *
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RSA_meth_new(const char *name, int flags)
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{
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RSA_METHOD *meth;
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if ((meth = calloc(1, sizeof(*meth))) == NULL)
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return NULL;
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if ((meth->name = strdup(name)) == NULL) {
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free(meth);
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return NULL;
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}
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meth->flags = flags;
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return meth;
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}
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void
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RSA_meth_free(RSA_METHOD *meth)
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{
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if (meth != NULL) {
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free((char *)meth->name);
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free(meth);
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}
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}
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RSA_METHOD *
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RSA_meth_dup(const RSA_METHOD *meth)
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{
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RSA_METHOD *copy;
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if ((copy = calloc(1, sizeof(*copy))) == NULL)
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return NULL;
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memcpy(copy, meth, sizeof(*copy));
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if ((copy->name = strdup(meth->name)) == NULL) {
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free(copy);
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return NULL;
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}
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return copy;
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}
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int
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RSA_meth_set1_name(RSA_METHOD *meth, const char *name)
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{
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char *copy;
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if ((copy = strdup(name)) == NULL)
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return 0;
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free((char *)meth->name);
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meth->name = copy;
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return 1;
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}
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int
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(*RSA_meth_get_finish(const RSA_METHOD *meth))(RSA *rsa)
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{
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return meth->finish;
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}
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int
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RSA_meth_set_priv_enc(RSA_METHOD *meth, int (*priv_enc)(int flen,
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const unsigned char *from, unsigned char *to, RSA *rsa, int padding))
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{
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meth->rsa_priv_enc = priv_enc;
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return 1;
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}
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int
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RSA_meth_set_priv_dec(RSA_METHOD *meth, int (*priv_dec)(int flen,
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const unsigned char *from, unsigned char *to, RSA *rsa, int padding))
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{
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meth->rsa_priv_dec = priv_dec;
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return 1;
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}
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int
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RSA_meth_set_finish(RSA_METHOD *meth, int (*finish)(RSA *rsa))
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{
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meth->finish = finish;
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return 1;
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}
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int
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RSA_meth_set_pub_enc(RSA_METHOD *meth, int (*pub_enc)(int flen,
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const unsigned char *from, unsigned char *to, RSA *rsa, int padding))
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{
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meth->rsa_pub_enc = pub_enc;
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return 1;
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}
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int
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RSA_meth_set_pub_dec(RSA_METHOD *meth, int (*pub_dec)(int flen,
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const unsigned char *from, unsigned char *to, RSA *rsa, int padding))
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{
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meth->rsa_pub_dec = pub_dec;
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return 1;
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}
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int
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RSA_meth_set_mod_exp(RSA_METHOD *meth, int (*mod_exp)(BIGNUM *r0,
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const BIGNUM *i, RSA *rsa, BN_CTX *ctx))
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{
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meth->rsa_mod_exp = mod_exp;
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return 1;
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}
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int
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RSA_meth_set_bn_mod_exp(RSA_METHOD *meth, int (*bn_mod_exp)(BIGNUM *r,
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const BIGNUM *a, const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
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BN_MONT_CTX *m_ctx))
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{
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meth->bn_mod_exp = bn_mod_exp;
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return 1;
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}
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int
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RSA_meth_set_init(RSA_METHOD *meth, int (*init)(RSA *rsa))
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{
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meth->init = init;
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return 1;
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}
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int
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RSA_meth_set_keygen(RSA_METHOD *meth, int (*keygen)(RSA *rsa, int bits,
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BIGNUM *e, BN_GENCB *cb))
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{
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meth->rsa_keygen = keygen;
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return 1;
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}
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int
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RSA_meth_set_flags(RSA_METHOD *meth, int flags)
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{
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meth->flags = flags;
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return 1;
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}
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int
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RSA_meth_set0_app_data(RSA_METHOD *meth, void *app_data)
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{
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meth->app_data = app_data;
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return 1;
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}
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const char *
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RSA_meth_get0_name(const RSA_METHOD *meth)
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{
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return meth->name;
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}
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int
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(*RSA_meth_get_pub_enc(const RSA_METHOD *meth))(int flen,
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const unsigned char *from, unsigned char *to, RSA *rsa, int padding)
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{
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return meth->rsa_pub_enc;
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}
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int
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(*RSA_meth_get_pub_dec(const RSA_METHOD *meth))(int flen,
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const unsigned char *from, unsigned char *to, RSA *rsa, int padding)
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{
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return meth->rsa_pub_dec;
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}
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int
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(*RSA_meth_get_priv_enc(const RSA_METHOD *meth))(int flen,
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const unsigned char *from, unsigned char *to, RSA *rsa, int padding)
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{
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return meth->rsa_priv_enc;
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}
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int
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(*RSA_meth_get_priv_dec(const RSA_METHOD *meth))(int flen,
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const unsigned char *from, unsigned char *to, RSA *rsa, int padding)
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{
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return meth->rsa_priv_dec;
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}
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int
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(*RSA_meth_get_mod_exp(const RSA_METHOD *meth))(BIGNUM *r0, const BIGNUM *i,
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RSA *rsa, BN_CTX *ctx)
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{
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return meth->rsa_mod_exp;
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}
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int
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(*RSA_meth_get_bn_mod_exp(const RSA_METHOD *meth))(BIGNUM *r,
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const BIGNUM *a, const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
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BN_MONT_CTX *m_ctx)
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{
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return meth->bn_mod_exp;
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}
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int
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(*RSA_meth_get_init(const RSA_METHOD *meth))(RSA *rsa)
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{
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return meth->init;
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}
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int
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(*RSA_meth_get_keygen(const RSA_METHOD *meth))(RSA *rsa, int bits, BIGNUM *e,
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BN_GENCB *cb)
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{
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return meth->rsa_keygen;
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}
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int
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RSA_meth_get_flags(const RSA_METHOD *meth)
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{
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return meth->flags;
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}
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void *
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RSA_meth_get0_app_data(const RSA_METHOD *meth)
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{
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return meth->app_data;
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}
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int
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(*RSA_meth_get_sign(const RSA_METHOD *meth))(int type,
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const unsigned char *m, unsigned int m_length,
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unsigned char *sigret, unsigned int *siglen,
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const RSA *rsa)
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{
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return meth->rsa_sign;
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}
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int
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RSA_meth_set_sign(RSA_METHOD *meth, int (*sign)(int type,
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const unsigned char *m, unsigned int m_length, unsigned char *sigret,
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unsigned int *siglen, const RSA *rsa))
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{
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meth->rsa_sign = sign;
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return 1;
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}
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int
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(*RSA_meth_get_verify(const RSA_METHOD *meth))(int dtype,
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const unsigned char *m, unsigned int m_length, const unsigned char *sigbuf,
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unsigned int siglen, const RSA *rsa)
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{
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return meth->rsa_verify;
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}
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int
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RSA_meth_set_verify(RSA_METHOD *meth, int (*verify)(int dtype,
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const unsigned char *m, unsigned int m_length, const unsigned char *sigbuf,
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unsigned int siglen, const RSA *rsa))
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{
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meth->rsa_verify = verify;
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return 1;
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}
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