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