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 */
34 static 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 
40 static 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