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_EVP_PRIVATE_H_INCLUDED 27 #define ARCHIVE_OPENSSL_EVP_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/evp.h> 34 #include <openssl/opensslv.h> 35 36 #if OPENSSL_VERSION_NUMBER < 0x10100000L 37 #include <stdlib.h> /* malloc, free */ 38 #include <string.h> /* memset */ 39 static inline EVP_MD_CTX *EVP_MD_CTX_new(void) 40 { 41 EVP_MD_CTX *ctx = (EVP_MD_CTX *)calloc(1, sizeof(EVP_MD_CTX)); 42 return ctx; 43 } 44 45 static inline void EVP_MD_CTX_free(EVP_MD_CTX *ctx) 46 { 47 EVP_MD_CTX_cleanup(ctx); 48 memset(ctx, 0, sizeof(*ctx)); 49 free(ctx); 50 } 51 #endif 52 53 #endif 54