-/* crypto/ec/ecp_mont.c */
/*
- * Originally written by Bodo Moeller for the OpenSSL project.
- */
-/* ====================================================================
- * Copyright (c) 1998-2001 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
- * openssl-core@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.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
+ * Copyright 2001-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved
*
- */
-/* ====================================================================
- * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
- * Portions of this software developed by SUN MICROSYSTEMS, INC.,
- * and contributed to the OpenSSL project.
+ * 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
*/
#include <openssl/err.h>
ec_GFp_mont_group_set_curve,
ec_GFp_simple_group_get_curve,
ec_GFp_simple_group_get_degree,
+ ec_group_simple_order_bits,
ec_GFp_simple_group_check_discriminant,
ec_GFp_simple_point_init,
ec_GFp_simple_point_finish,
0 /* field_div */ ,
ec_GFp_mont_field_encode,
ec_GFp_mont_field_decode,
- ec_GFp_mont_field_set_to_one
+ ec_GFp_mont_field_set_to_one,
+ ec_key_simple_priv2oct,
+ ec_key_simple_oct2priv,
+ 0, /* set private */
+ ec_key_simple_generate_key,
+ ec_key_simple_check_key,
+ ec_key_simple_generate_public_key,
+ 0, /* keycopy */
+ 0, /* keyfinish */
+ ecdh_simple_compute_key
};
return &ret;
void ec_GFp_mont_group_finish(EC_GROUP *group)
{
- if (group->field_data1 != NULL) {
- BN_MONT_CTX_free(group->field_data1);
- group->field_data1 = NULL;
- }
- if (group->field_data2 != NULL) {
- BN_free(group->field_data2);
- group->field_data2 = NULL;
- }
+ BN_MONT_CTX_free(group->field_data1);
+ group->field_data1 = NULL;
+ BN_free(group->field_data2);
+ group->field_data2 = NULL;
ec_GFp_simple_group_finish(group);
}
void ec_GFp_mont_group_clear_finish(EC_GROUP *group)
{
- if (group->field_data1 != NULL) {
- BN_MONT_CTX_free(group->field_data1);
- group->field_data1 = NULL;
- }
- if (group->field_data2 != NULL) {
- BN_clear_free(group->field_data2);
- group->field_data2 = NULL;
- }
+ BN_MONT_CTX_free(group->field_data1);
+ group->field_data1 = NULL;
+ BN_clear_free(group->field_data2);
+ group->field_data2 = NULL;
ec_GFp_simple_group_clear_finish(group);
}
int ec_GFp_mont_group_copy(EC_GROUP *dest, const EC_GROUP *src)
{
- if (dest->field_data1 != NULL) {
- BN_MONT_CTX_free(dest->field_data1);
- dest->field_data1 = NULL;
- }
- if (dest->field_data2 != NULL) {
- BN_clear_free(dest->field_data2);
- dest->field_data2 = NULL;
- }
+ BN_MONT_CTX_free(dest->field_data1);
+ dest->field_data1 = NULL;
+ BN_clear_free(dest->field_data2);
+ dest->field_data2 = NULL;
if (!ec_GFp_simple_group_copy(dest, src))
return 0;
return 1;
err:
- if (dest->field_data1 != NULL) {
- BN_MONT_CTX_free(dest->field_data1);
- dest->field_data1 = NULL;
- }
+ BN_MONT_CTX_free(dest->field_data1);
+ dest->field_data1 = NULL;
return 0;
}
BIGNUM *one = NULL;
int ret = 0;
- if (group->field_data1 != NULL) {
- BN_MONT_CTX_free(group->field_data1);
- group->field_data1 = NULL;
- }
- if (group->field_data2 != NULL) {
- BN_free(group->field_data2);
- group->field_data2 = NULL;
- }
+ BN_MONT_CTX_free(group->field_data1);
+ group->field_data1 = NULL;
+ BN_free(group->field_data2);
+ group->field_data2 = NULL;
if (ctx == NULL) {
ctx = new_ctx = BN_CTX_new();
}
err:
- if (new_ctx != NULL)
- BN_CTX_free(new_ctx);
- if (mont != NULL)
- BN_MONT_CTX_free(mont);
+ BN_free(one);
+ BN_CTX_free(new_ctx);
+ BN_MONT_CTX_free(mont);
return ret;
}
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