archive_openssl_evp_private.h revision 311041 
1/*-
2 * Copyright (c) 2003-2007 Tim Kientzle
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25#ifndef ARCHIVE_OPENSSL_EVP_PRIVATE_H_INCLUDED
26#define ARCHIVE_OPENSSL_EVP_PRIVATE_H_INCLUDED
27
28#include <openssl/evp.h>
29#include <openssl/opensslv.h>
30
31#if OPENSSL_VERSION_NUMBER < 0x10100000L
32#include <stdlib.h> /* malloc, free */
33#include <string.h> /* memset */
34static inline EVP_MD_CTX *EVP_MD_CTX_new(void)
35{
36	EVP_MD_CTX *ctx = (EVP_MD_CTX *)calloc(1, sizeof(EVP_MD_CTX));
37	return ctx;
38}
39
40static inline void EVP_MD_CTX_free(EVP_MD_CTX *ctx)
41{
42	EVP_MD_CTX_cleanup(ctx);
43	memset(ctx, 0, sizeof(*ctx));
44	free(ctx);
45}
46#endif
47
48#endif
49