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/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
#include <config.h>
#include <openssl/opensslv.h>
#include <stdlib.h>
#include <string.h>
#include "openssl_shim.h"
#include <openssl/engine.h>
#include <openssl/evp.h>
#include <openssl/hmac.h>
#include <openssl/crypto.h>
#if !HAVE_CRYPTO_ZALLOC
void *
CRYPTO_zalloc(size_t size)
{
void *ret = OPENSSL_malloc(size);
if (ret != NULL) {
memset(ret, 0, size);
}
return (ret);
}
#endif
#if !HAVE_EVP_CIPHER_CTX_NEW
EVP_CIPHER_CTX *
EVP_CIPHER_CTX_new(void)
{
EVP_CIPHER_CTX *ctx = OPENSSL_zalloc(sizeof(*ctx));
return (ctx);
}
#endif
#if !HAVE_EVP_CIPHER_CTX_FREE
void
EVP_CIPHER_CTX_free(EVP_CIPHER_CTX *ctx)
{
if (ctx != NULL) {
EVP_CIPHER_CTX_cleanup(ctx);
OPENSSL_free(ctx);
}
}
#endif
#if !HAVE_EVP_MD_CTX_NEW
EVP_MD_CTX *
EVP_MD_CTX_new(void)
{
EVP_MD_CTX *ctx = OPENSSL_malloc(sizeof(*ctx));
if (ctx != NULL) {
memset(ctx, 0, sizeof(*ctx));
}
return (ctx);
}
#endif
#if !HAVE_EVP_MD_CTX_FREE
void
EVP_MD_CTX_free(EVP_MD_CTX *ctx)
{
if (ctx != NULL) {
EVP_MD_CTX_cleanup(ctx);
OPENSSL_free(ctx);
}
}
#endif
#if !HAVE_EVP_MD_CTX_RESET
int
EVP_MD_CTX_reset(EVP_MD_CTX *ctx)
{
return (EVP_MD_CTX_cleanup(ctx));
}
#endif
#if !HAVE_HMAC_CTX_NEW
HMAC_CTX *
HMAC_CTX_new(void)
{
HMAC_CTX *ctx = OPENSSL_zalloc(sizeof(*ctx));
if (ctx != NULL) {
if (!HMAC_CTX_reset(ctx)) {
HMAC_CTX_free(ctx);
return (NULL);
}
}
return (ctx);
}
#endif
#if !HAVE_HMAC_CTX_FREE
void
HMAC_CTX_free(HMAC_CTX *ctx)
{
if (ctx != NULL) {
HMAC_CTX_cleanup(ctx);
OPENSSL_free(ctx);
}
}
#endif
#if !HAVE_HMAC_CTX_RESET
int
HMAC_CTX_reset(HMAC_CTX *ctx) {
HMAC_CTX_cleanup(ctx);
return (1);
}
#endif
#if !HAVE_HMAC_CTX_GET_MD
const EVP_MD *HMAC_CTX_get_md(const HMAC_CTX *ctx) {
return ctx->md;
}
#endif
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