/*
- * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
- * 2006.
- */
-/* ====================================================================
- * Copyright (c) 2006 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.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
+ * Copyright 2006-2016 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
*/
#include <stdio.h>
-#include "cryptlib.h"
+#include "internal/cryptlib.h"
#include <openssl/asn1t.h>
#include <openssl/x509.h>
#include <openssl/ec.h>
#include "ec_lcl.h"
-#include <openssl/ecdsa.h>
#include <openssl/evp.h>
#include "internal/evp_int.h"
static int pkey_ec_init(EVP_PKEY_CTX *ctx)
{
EC_PKEY_CTX *dctx;
- dctx = OPENSSL_malloc(sizeof(EC_PKEY_CTX));
- if (!dctx)
+
+ dctx = OPENSSL_zalloc(sizeof(*dctx));
+ if (dctx == NULL)
return 0;
- dctx->gen_group = NULL;
- dctx->md = NULL;
dctx->cofactor_mode = -1;
- dctx->co_key = NULL;
dctx->kdf_type = EVP_PKEY_ECDH_KDF_NONE;
- dctx->kdf_md = NULL;
- dctx->kdf_outlen = 0;
- dctx->kdf_ukm = NULL;
- dctx->kdf_ukmlen = 0;
-
ctx->data = dctx;
-
return 1;
}
dctx->kdf_md = sctx->kdf_md;
dctx->kdf_outlen = sctx->kdf_outlen;
if (sctx->kdf_ukm) {
- dctx->kdf_ukm = BUF_memdup(sctx->kdf_ukm, sctx->kdf_ukmlen);
+ dctx->kdf_ukm = OPENSSL_memdup(sctx->kdf_ukm, sctx->kdf_ukmlen);
if (!dctx->kdf_ukm)
return 0;
} else
if (dctx) {
EC_GROUP_free(dctx->gen_group);
EC_KEY_free(dctx->co_key);
- if (dctx->kdf_ukm)
- OPENSSL_free(dctx->kdf_ukm);
+ OPENSSL_free(dctx->kdf_ukm);
OPENSSL_free(dctx);
}
}
if (!pkey_ec_derive(ctx, NULL, &ktmplen))
return 0;
ktmp = OPENSSL_malloc(ktmplen);
- if (!ktmp)
+ if (ktmp == NULL)
return 0;
if (!pkey_ec_derive(ctx, ktmp, &ktmplen))
goto err;
return 1;
case EVP_PKEY_CTRL_EC_KDF_UKM:
- if (dctx->kdf_ukm)
- OPENSSL_free(dctx->kdf_ukm);
+ OPENSSL_free(dctx->kdf_ukm);
dctx->kdf_ukm = p2;
if (p2)
dctx->kdf_ukmlen = p1;
static int pkey_ec_ctrl_str(EVP_PKEY_CTX *ctx,
const char *type, const char *value)
{
- if (!strcmp(type, "ec_paramgen_curve")) {
+ if (strcmp(type, "ec_paramgen_curve") == 0) {
int nid;
nid = EC_curve_nist2nid(value);
if (nid == NID_undef)
return 0;
}
return EVP_PKEY_CTX_set_ec_paramgen_curve_nid(ctx, nid);
- } else if (!strcmp(type, "ec_param_enc")) {
+ } else if (strcmp(type, "ec_param_enc") == 0) {
int param_enc;
- if (!strcmp(value, "explicit"))
+ if (strcmp(value, "explicit") == 0)
param_enc = 0;
- else if (!strcmp(value, "named_curve"))
+ else if (strcmp(value, "named_curve") == 0)
param_enc = OPENSSL_EC_NAMED_CURVE;
else
return -2;
return EVP_PKEY_CTX_set_ec_param_enc(ctx, param_enc);
- } else if (!strcmp(type, "ecdh_kdf_md")) {
+ } else if (strcmp(type, "ecdh_kdf_md") == 0) {
const EVP_MD *md;
- if (!(md = EVP_get_digestbyname(value))) {
+ if ((md = EVP_get_digestbyname(value)) == NULL) {
ECerr(EC_F_PKEY_EC_CTRL_STR, EC_R_INVALID_DIGEST);
return 0;
}
return EVP_PKEY_CTX_set_ecdh_kdf_md(ctx, md);
- } else if (!strcmp(type, "ecdh_cofactor_mode")) {
+ } else if (strcmp(type, "ecdh_cofactor_mode") == 0) {
int co_mode;
co_mode = atoi(value);
return EVP_PKEY_CTX_set_ecdh_cofactor_mode(ctx, co_mode);
return 0;
}
ec = EC_KEY_new();
- if (!ec)
+ if (ec == NULL)
return 0;
ret = EC_KEY_set_group(ec, dctx->gen_group);
if (ret)
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