5a6a1029d2
Add keygen to EC_KEY_METHOD. Redirect EC_KEY_generate_key through method and set the current EC key generation function as the default. Reviewed-by: Richard Levitte <levitte@openssl.org>
121 lines
4.1 KiB
C
121 lines
4.1 KiB
C
/* crypto/ec/ec_kmeth.c */
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/*
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* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
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* project.
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*/
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/* ====================================================================
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* Copyright (c) 2015 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* licensing@OpenSSL.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*/
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#include <openssl/ec.h>
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#include <openssl/engine.h>
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#include <openssl/err.h>
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#include "ec_lcl.h"
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static const EC_KEY_METHOD openssl_ec_key_method = {
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"OpenSSL EC_KEY method",
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0,
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ossl_ec_key_gen
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};
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const EC_KEY_METHOD *default_ec_key_meth = &openssl_ec_key_method;
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const EC_KEY_METHOD *EC_KEY_OpenSSL(void)
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{
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return &openssl_ec_key_method;
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}
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const EC_KEY_METHOD *EC_KEY_get_default_method(void)
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{
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return default_ec_key_meth;
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}
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void EC_KEY_set_default_method(const EC_KEY_METHOD *meth)
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{
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if (meth == NULL)
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default_ec_key_meth = &openssl_ec_key_method;
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else
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default_ec_key_meth = meth;
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}
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EC_KEY *EC_KEY_new_method(ENGINE *engine)
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{
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EC_KEY *ret = OPENSSL_zalloc(sizeof(*ret));
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if (ret == NULL) {
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ECerr(EC_F_EC_KEY_NEW_METHOD, ERR_R_MALLOC_FAILURE);
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return (NULL);
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}
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ret->meth = EC_KEY_get_default_method();
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#ifndef OPENSSL_NO_ENGINE
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if (engine) {
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if (!ENGINE_init(engine)) {
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ECerr(EC_F_EC_KEY_NEW_METHOD, ERR_R_ENGINE_LIB);
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OPENSSL_free(ret);
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return NULL;
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}
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ret->engine = engine;
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} else
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ret->engine = ENGINE_get_default_EC_KEY();
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if (ret->engine) {
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ret->meth = ENGINE_get_EC_KEY(ret->engine);
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if (!ret->meth) {
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ECerr(EC_F_EC_KEY_NEW_METHOD, ERR_R_ENGINE_LIB);
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ENGINE_finish(ret->engine);
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OPENSSL_free(ret);
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return NULL;
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}
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}
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#endif
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ret->version = 1;
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ret->conv_form = POINT_CONVERSION_UNCOMPRESSED;
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ret->references = 1;
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return (ret);
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}
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