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
26 #ifndef ARCHIVE_OPENSSL_HMAC_PRIVATE_H_INCLUDED
27 #define ARCHIVE_OPENSSL_HMAC_PRIVATE_H_INCLUDED
28
29 #ifndef __LIBARCHIVE_BUILD
30 #error This header is only to be used internally to libarchive.
31 #endif
32
33 #include <openssl/hmac.h>
34 #include <openssl/opensslv.h>
35
36 #if OPENSSL_VERSION_NUMBER < 0x10100000L || \
37 (defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20700000L)
38 #include <stdlib.h> /* malloc, free */
39 #include <string.h> /* memset */
HMAC_CTX_new(void)40 static inline HMAC_CTX *HMAC_CTX_new(void)
41 {
42 HMAC_CTX *ctx = (HMAC_CTX *)calloc(1, sizeof(HMAC_CTX));
43 return ctx;
44 }
45
HMAC_CTX_free(HMAC_CTX * ctx)46 static inline void HMAC_CTX_free(HMAC_CTX *ctx)
47 {
48 HMAC_CTX_cleanup(ctx);
49 memset(ctx, 0, sizeof(*ctx));
50 free(ctx);
51 }
52 #endif
53
54 #endif
55