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 */ 40static inline HMAC_CTX *HMAC_CTX_new(void) 41{ 42 HMAC_CTX *ctx = (HMAC_CTX *)calloc(1, sizeof(HMAC_CTX)); 43 return ctx; 44} 45 46static 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