mirror of
https://github.com/pineappleEA/pineapple-src.git
synced 2024-12-12 01:08:25 -05:00
336 lines
9.0 KiB
C
336 lines
9.0 KiB
C
|
/* $OpenBSD: ec_kmeth.c,v 1.5 2019/05/10 19:15:06 bcook Exp $ */
|
||
|
/*
|
||
|
* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
|
||
|
* project.
|
||
|
*/
|
||
|
/* ====================================================================
|
||
|
* Copyright (c) 2015 The OpenSSL Project. All rights reserved.
|
||
|
*
|
||
|
* Redistribution and use in source and binary forms, with or without
|
||
|
* modification, are permitted provided that the following conditions
|
||
|
* are met:
|
||
|
*
|
||
|
* 1. Redistributions of source code must retain the above copyright
|
||
|
* notice, this list of conditions and the following disclaimer.
|
||
|
*
|
||
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||
|
* notice, this list of conditions and the following disclaimer in
|
||
|
* the documentation and/or other materials provided with the
|
||
|
* distribution.
|
||
|
*
|
||
|
* 3. All advertising materials mentioning features or use of this
|
||
|
* software must display the following acknowledgment:
|
||
|
* "This product includes software developed by the OpenSSL Project
|
||
|
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
|
||
|
*
|
||
|
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
|
||
|
* endorse or promote products derived from this software without
|
||
|
* prior written permission. For written permission, please contact
|
||
|
* licensing@OpenSSL.org.
|
||
|
*
|
||
|
* 5. Products derived from this software may not be called "OpenSSL"
|
||
|
* nor may "OpenSSL" appear in their names without prior written
|
||
|
* permission of the OpenSSL Project.
|
||
|
*
|
||
|
* 6. Redistributions of any form whatsoever must retain the following
|
||
|
* acknowledgment:
|
||
|
* "This product includes software developed by the OpenSSL Project
|
||
|
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
|
||
|
*
|
||
|
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
|
||
|
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
|
||
|
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
||
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
||
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
||
|
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
|
||
|
* OF THE POSSIBILITY OF SUCH DAMAGE.
|
||
|
* ====================================================================
|
||
|
*/
|
||
|
|
||
|
#include <openssl/ec.h>
|
||
|
#ifndef OPENSSL_NO_ENGINE
|
||
|
#include <openssl/engine.h>
|
||
|
#endif
|
||
|
#include <openssl/err.h>
|
||
|
|
||
|
#include "ec_lcl.h"
|
||
|
#include "ecs_locl.h"
|
||
|
|
||
|
static const EC_KEY_METHOD openssl_ec_key_method = {
|
||
|
.name = "OpenSSL EC_KEY method",
|
||
|
.flags = 0,
|
||
|
|
||
|
.init = NULL,
|
||
|
.finish = NULL,
|
||
|
.copy = NULL,
|
||
|
|
||
|
.set_group = NULL,
|
||
|
.set_private = NULL,
|
||
|
.set_public = NULL,
|
||
|
|
||
|
.keygen = ossl_ec_key_gen,
|
||
|
.compute_key = ossl_ecdh_compute_key,
|
||
|
|
||
|
.sign = ossl_ecdsa_sign,
|
||
|
.sign_setup = ossl_ecdsa_sign_setup,
|
||
|
.sign_sig = ossl_ecdsa_sign_sig,
|
||
|
|
||
|
.verify = ossl_ecdsa_verify,
|
||
|
.verify_sig = ossl_ecdsa_verify_sig,
|
||
|
};
|
||
|
|
||
|
const EC_KEY_METHOD *default_ec_key_meth = &openssl_ec_key_method;
|
||
|
|
||
|
const EC_KEY_METHOD *
|
||
|
EC_KEY_OpenSSL(void)
|
||
|
{
|
||
|
return &openssl_ec_key_method;
|
||
|
}
|
||
|
|
||
|
const EC_KEY_METHOD *
|
||
|
EC_KEY_get_default_method(void)
|
||
|
{
|
||
|
return default_ec_key_meth;
|
||
|
}
|
||
|
|
||
|
void
|
||
|
EC_KEY_set_default_method(const EC_KEY_METHOD *meth)
|
||
|
{
|
||
|
if (meth == NULL)
|
||
|
default_ec_key_meth = &openssl_ec_key_method;
|
||
|
else
|
||
|
default_ec_key_meth = meth;
|
||
|
}
|
||
|
|
||
|
const EC_KEY_METHOD *
|
||
|
EC_KEY_get_method(const EC_KEY *key)
|
||
|
{
|
||
|
return key->meth;
|
||
|
}
|
||
|
|
||
|
int
|
||
|
EC_KEY_set_method(EC_KEY *key, const EC_KEY_METHOD *meth)
|
||
|
{
|
||
|
void (*finish)(EC_KEY *key) = key->meth->finish;
|
||
|
|
||
|
if (finish != NULL)
|
||
|
finish(key);
|
||
|
|
||
|
#ifndef OPENSSL_NO_ENGINE
|
||
|
ENGINE_finish(key->engine);
|
||
|
key->engine = NULL;
|
||
|
#endif
|
||
|
|
||
|
key->meth = meth;
|
||
|
if (meth->init != NULL)
|
||
|
return meth->init(key);
|
||
|
return 1;
|
||
|
}
|
||
|
|
||
|
EC_KEY *
|
||
|
EC_KEY_new_method(ENGINE *engine)
|
||
|
{
|
||
|
EC_KEY *ret;
|
||
|
|
||
|
if ((ret = calloc(1, sizeof(EC_KEY))) == NULL) {
|
||
|
ECerror(ERR_R_MALLOC_FAILURE);
|
||
|
return NULL;
|
||
|
}
|
||
|
ret->meth = EC_KEY_get_default_method();
|
||
|
#ifndef OPENSSL_NO_ENGINE
|
||
|
if (engine != NULL) {
|
||
|
if (!ENGINE_init(engine)) {
|
||
|
ECerror(ERR_R_ENGINE_LIB);
|
||
|
goto err;
|
||
|
}
|
||
|
ret->engine = engine;
|
||
|
} else
|
||
|
ret->engine = ENGINE_get_default_EC();
|
||
|
if (ret->engine) {
|
||
|
ret->meth = ENGINE_get_EC(ret->engine);
|
||
|
if (ret->meth == NULL) {
|
||
|
ECerror(ERR_R_ENGINE_LIB);
|
||
|
goto err;
|
||
|
}
|
||
|
}
|
||
|
#endif
|
||
|
ret->version = 1;
|
||
|
ret->flags = 0;
|
||
|
ret->group = NULL;
|
||
|
ret->pub_key = NULL;
|
||
|
ret->priv_key = NULL;
|
||
|
ret->enc_flag = 0;
|
||
|
ret->conv_form = POINT_CONVERSION_UNCOMPRESSED;
|
||
|
ret->references = 1;
|
||
|
ret->method_data = NULL;
|
||
|
|
||
|
if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_RSA, ret, &ret->ex_data))
|
||
|
goto err;
|
||
|
if (ret->meth->init != NULL && ret->meth->init(ret) == 0)
|
||
|
goto err;
|
||
|
|
||
|
return ret;
|
||
|
|
||
|
err:
|
||
|
EC_KEY_free(ret);
|
||
|
return NULL;
|
||
|
}
|
||
|
|
||
|
EC_KEY_METHOD *
|
||
|
EC_KEY_METHOD_new(const EC_KEY_METHOD *meth)
|
||
|
{
|
||
|
EC_KEY_METHOD *ret;
|
||
|
|
||
|
if ((ret = calloc(1, sizeof(*meth))) == NULL)
|
||
|
return NULL;
|
||
|
if (meth != NULL)
|
||
|
*ret = *meth;
|
||
|
ret->flags |= EC_KEY_METHOD_DYNAMIC;
|
||
|
return ret;
|
||
|
}
|
||
|
|
||
|
void
|
||
|
EC_KEY_METHOD_free(EC_KEY_METHOD *meth)
|
||
|
{
|
||
|
if (meth == NULL)
|
||
|
return;
|
||
|
if (meth->flags & EC_KEY_METHOD_DYNAMIC)
|
||
|
free(meth);
|
||
|
}
|
||
|
|
||
|
void
|
||
|
EC_KEY_METHOD_set_init(EC_KEY_METHOD *meth,
|
||
|
int (*init)(EC_KEY *key),
|
||
|
void (*finish)(EC_KEY *key),
|
||
|
int (*copy)(EC_KEY *dest, const EC_KEY *src),
|
||
|
int (*set_group)(EC_KEY *key, const EC_GROUP *grp),
|
||
|
int (*set_private)(EC_KEY *key, const BIGNUM *priv_key),
|
||
|
int (*set_public)(EC_KEY *key, const EC_POINT *pub_key))
|
||
|
{
|
||
|
meth->init = init;
|
||
|
meth->finish = finish;
|
||
|
meth->copy = copy;
|
||
|
meth->set_group = set_group;
|
||
|
meth->set_private = set_private;
|
||
|
meth->set_public = set_public;
|
||
|
}
|
||
|
|
||
|
void
|
||
|
EC_KEY_METHOD_set_keygen(EC_KEY_METHOD *meth, int (*keygen)(EC_KEY *key))
|
||
|
{
|
||
|
meth->keygen = keygen;
|
||
|
}
|
||
|
|
||
|
void
|
||
|
EC_KEY_METHOD_set_compute_key(EC_KEY_METHOD *meth,
|
||
|
int (*ckey)(void *out, size_t outlen, const EC_POINT *pub_key, EC_KEY *ecdh,
|
||
|
void *(*KDF) (const void *in, size_t inlen, void *out, size_t *outlen)))
|
||
|
{
|
||
|
meth->compute_key = ckey;
|
||
|
}
|
||
|
|
||
|
void
|
||
|
EC_KEY_METHOD_set_sign(EC_KEY_METHOD *meth,
|
||
|
int (*sign)(int type, const unsigned char *dgst,
|
||
|
int dlen, unsigned char *sig, unsigned int *siglen,
|
||
|
const BIGNUM *kinv, const BIGNUM *r, EC_KEY *eckey),
|
||
|
int (*sign_setup)(EC_KEY *eckey, BN_CTX *ctx_in,
|
||
|
BIGNUM **kinvp, BIGNUM **rp),
|
||
|
ECDSA_SIG *(*sign_sig)(const unsigned char *dgst,
|
||
|
int dgst_len, const BIGNUM *in_kinv,
|
||
|
const BIGNUM *in_r, EC_KEY *eckey))
|
||
|
{
|
||
|
meth->sign = sign;
|
||
|
meth->sign_setup = sign_setup;
|
||
|
meth->sign_sig = sign_sig;
|
||
|
}
|
||
|
|
||
|
void
|
||
|
EC_KEY_METHOD_set_verify(EC_KEY_METHOD *meth,
|
||
|
int (*verify)(int type, const unsigned char *dgst, int dgst_len,
|
||
|
const unsigned char *sigbuf, int sig_len, EC_KEY *eckey),
|
||
|
int (*verify_sig)(const unsigned char *dgst, int dgst_len,
|
||
|
const ECDSA_SIG *sig, EC_KEY *eckey))
|
||
|
{
|
||
|
meth->verify = verify;
|
||
|
meth->verify_sig = verify_sig;
|
||
|
}
|
||
|
|
||
|
|
||
|
void
|
||
|
EC_KEY_METHOD_get_init(const EC_KEY_METHOD *meth,
|
||
|
int (**pinit)(EC_KEY *key),
|
||
|
void (**pfinish)(EC_KEY *key),
|
||
|
int (**pcopy)(EC_KEY *dest, const EC_KEY *src),
|
||
|
int (**pset_group)(EC_KEY *key, const EC_GROUP *grp),
|
||
|
int (**pset_private)(EC_KEY *key, const BIGNUM *priv_key),
|
||
|
int (**pset_public)(EC_KEY *key, const EC_POINT *pub_key))
|
||
|
{
|
||
|
if (pinit != NULL)
|
||
|
*pinit = meth->init;
|
||
|
if (pfinish != NULL)
|
||
|
*pfinish = meth->finish;
|
||
|
if (pcopy != NULL)
|
||
|
*pcopy = meth->copy;
|
||
|
if (pset_group != NULL)
|
||
|
*pset_group = meth->set_group;
|
||
|
if (pset_private != NULL)
|
||
|
*pset_private = meth->set_private;
|
||
|
if (pset_public != NULL)
|
||
|
*pset_public = meth->set_public;
|
||
|
}
|
||
|
|
||
|
void
|
||
|
EC_KEY_METHOD_get_keygen(const EC_KEY_METHOD *meth,
|
||
|
int (**pkeygen)(EC_KEY *key))
|
||
|
{
|
||
|
if (pkeygen != NULL)
|
||
|
*pkeygen = meth->keygen;
|
||
|
}
|
||
|
|
||
|
void
|
||
|
EC_KEY_METHOD_get_compute_key(const EC_KEY_METHOD *meth,
|
||
|
int (**pck)(void *out, size_t outlen, const EC_POINT *pub_key, EC_KEY *ecdh,
|
||
|
void *(*KDF) (const void *in, size_t inlen, void *out, size_t *outlen)))
|
||
|
{
|
||
|
if (pck != NULL)
|
||
|
*pck = meth->compute_key;
|
||
|
}
|
||
|
|
||
|
void
|
||
|
EC_KEY_METHOD_get_sign(const EC_KEY_METHOD *meth,
|
||
|
int (**psign)(int type, const unsigned char *dgst,
|
||
|
int dlen, unsigned char *sig, unsigned int *siglen,
|
||
|
const BIGNUM *kinv, const BIGNUM *r, EC_KEY *eckey),
|
||
|
int (**psign_setup)(EC_KEY *eckey, BN_CTX *ctx_in,
|
||
|
BIGNUM **kinvp, BIGNUM **rp),
|
||
|
ECDSA_SIG *(**psign_sig)(const unsigned char *dgst,
|
||
|
int dgst_len, const BIGNUM *in_kinv, const BIGNUM *in_r,
|
||
|
EC_KEY *eckey))
|
||
|
{
|
||
|
if (psign != NULL)
|
||
|
*psign = meth->sign;
|
||
|
if (psign_setup != NULL)
|
||
|
*psign_setup = meth->sign_setup;
|
||
|
if (psign_sig != NULL)
|
||
|
*psign_sig = meth->sign_sig;
|
||
|
}
|
||
|
|
||
|
void
|
||
|
EC_KEY_METHOD_get_verify(const EC_KEY_METHOD *meth,
|
||
|
int (**pverify)(int type, const unsigned char *dgst, int dgst_len,
|
||
|
const unsigned char *sigbuf, int sig_len, EC_KEY *eckey),
|
||
|
int (**pverify_sig)(const unsigned char *dgst, int dgst_len,
|
||
|
const ECDSA_SIG *sig, EC_KEY *eckey))
|
||
|
{
|
||
|
if (pverify != NULL)
|
||
|
*pverify = meth->verify;
|
||
|
if (pverify_sig != NULL)
|
||
|
*pverify_sig = meth->verify_sig;
|
||
|
}
|