-/* crypto/ec/ec_curve.c */
/*
- * Written by Nils Larsch for the OpenSSL project.
- */
-/* ====================================================================
- * Copyright (c) 1998-2010 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 2002-2016 The OpenSSL Project Authors. All Rights Reserved.
*
+ * 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
*/
+
/* ====================================================================
* Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
*
"NIST/SECG/WTLS curve over a 233 bit binary field"},
#endif
{NID_wap_wsg_idm_ecid_wtls12, &_EC_WTLS_12.h, 0,
- "WTLS curvs over a 224 bit prime field"},
+ "WTLS curve over a 224 bit prime field"},
#ifndef OPENSSL_NO_EC2M
/* IPSec curves */
{NID_ipsec3, &_EC_IPSEC_155_ID3.h, 0,
const EC_CURVE_DATA *data;
const unsigned char *params;
+ /* If no curve data curve method must handle everything */
+ if (curve.data == NULL)
+ return EC_GROUP_new(curve.meth != NULL ? curve.meth() : NULL);
+
if ((ctx = BN_CTX_new()) == NULL) {
ECerr(EC_F_EC_GROUP_NEW_FROM_DATA, ERR_R_MALLOC_FAILURE);
goto err;
params = (const unsigned char *)(data + 1); /* skip header */
params += seed_len; /* skip seed */
- if (!(p = BN_bin2bn(params + 0 * param_len, param_len, NULL))
- || !(a = BN_bin2bn(params + 1 * param_len, param_len, NULL))
- || !(b = BN_bin2bn(params + 2 * param_len, param_len, NULL))) {
+ if ((p = BN_bin2bn(params + 0 * param_len, param_len, NULL)) == NULL
+ || (a = BN_bin2bn(params + 1 * param_len, param_len, NULL)) == NULL
+ || (b = BN_bin2bn(params + 2 * param_len, param_len, NULL)) == NULL) {
ECerr(EC_F_EC_GROUP_NEW_FROM_DATA, ERR_R_BN_LIB);
goto err;
}
goto err;
}
- if (!(x = BN_bin2bn(params + 3 * param_len, param_len, NULL))
- || !(y = BN_bin2bn(params + 4 * param_len, param_len, NULL))) {
+ if ((x = BN_bin2bn(params + 3 * param_len, param_len, NULL)) == NULL
+ || (y = BN_bin2bn(params + 4 * param_len, param_len, NULL)) == NULL) {
ECerr(EC_F_EC_GROUP_NEW_FROM_DATA, ERR_R_BN_LIB);
goto err;
}
ECerr(EC_F_EC_GROUP_NEW_FROM_DATA, ERR_R_EC_LIB);
goto err;
}
- if (!(order = BN_bin2bn(params + 5 * param_len, param_len, NULL))
+ if ((order = BN_bin2bn(params + 5 * param_len, param_len, NULL)) == NULL
|| !BN_set_word(x, (BN_ULONG)data->cofactor)) {
ECerr(EC_F_EC_GROUP_NEW_FROM_DATA, ERR_R_BN_LIB);
goto err;
{
size_t i;
for (i = 0; i < OSSL_NELEM(nist_curves); i++) {
- if (!strcmp(nist_curves[i].name, name))
+ if (strcmp(nist_curves[i].name, name) == 0)
return nist_curves[i].nid;
}
return NID_undef;