1 /*- 2 * Copyright (c) 2014 Michihiro NAKAJIMA 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_HMAC_PRIVATE_H_INCLUDED 27 #define ARCHIVE_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 * On systems that do not support any recognized crypto libraries, 34 * the archive_hmac.c file is expected to define no usable symbols. 35 * 36 * But some compilers and linkers choke on empty object files, so 37 * define a public symbol that will always exist. This could 38 * be removed someday if this file gains another always-present 39 * symbol definition. 40 */ 41 int __libarchive_hmac_build_hack(void); 42 43 #ifdef __APPLE__ 44 # include <AvailabilityMacros.h> 45 # if MAC_OS_X_VERSION_MAX_ALLOWED >= 1060 46 # define ARCHIVE_HMAC_USE_Apple_CommonCrypto 47 # endif 48 #endif 49 50 #ifdef ARCHIVE_HMAC_USE_Apple_CommonCrypto 51 #include <CommonCrypto/CommonHMAC.h> 52 53 typedef CCHmacContext archive_hmac_sha1_ctx; 54 55 #elif defined(_WIN32) && !defined(__CYGWIN__) && defined(HAVE_BCRYPT_H) 56 #include <bcrypt.h> 57 58 typedef struct { 59 BCRYPT_ALG_HANDLE hAlg; 60 BCRYPT_HASH_HANDLE hHash; 61 DWORD hash_len; 62 PBYTE hash; 63 64 } archive_hmac_sha1_ctx; 65 66 #elif defined(HAVE_LIBMBEDCRYPTO) && defined(HAVE_MBEDTLS_MD_H) 67 #include <mbedtls/md.h> 68 69 typedef mbedtls_md_context_t archive_hmac_sha1_ctx; 70 71 #elif defined(HAVE_LIBNETTLE) && defined(HAVE_NETTLE_HMAC_H) 72 #include <nettle/hmac.h> 73 74 typedef struct hmac_sha1_ctx archive_hmac_sha1_ctx; 75 76 #elif defined(HAVE_LIBCRYPTO) 77 #include "archive_openssl_hmac_private.h" 78 79 typedef HMAC_CTX* archive_hmac_sha1_ctx; 80 81 #else 82 83 typedef int archive_hmac_sha1_ctx; 84 85 #endif 86 87 88 /* HMAC */ 89 #define archive_hmac_sha1_init(ctx, key, key_len)\ 90 __archive_hmac.__hmac_sha1_init(ctx, key, key_len) 91 #define archive_hmac_sha1_update(ctx, data, data_len)\ 92 __archive_hmac.__hmac_sha1_update(ctx, data, data_len) 93 #define archive_hmac_sha1_final(ctx, out, out_len)\ 94 __archive_hmac.__hmac_sha1_final(ctx, out, out_len) 95 #define archive_hmac_sha1_cleanup(ctx)\ 96 __archive_hmac.__hmac_sha1_cleanup(ctx) 97 98 99 struct archive_hmac { 100 /* HMAC */ 101 int (*__hmac_sha1_init)(archive_hmac_sha1_ctx *, const uint8_t *, 102 size_t); 103 void (*__hmac_sha1_update)(archive_hmac_sha1_ctx *, const uint8_t *, 104 size_t); 105 void (*__hmac_sha1_final)(archive_hmac_sha1_ctx *, uint8_t *, size_t *); 106 void (*__hmac_sha1_cleanup)(archive_hmac_sha1_ctx *); 107 }; 108 109 extern const struct archive_hmac __archive_hmac; 110 #endif /* ARCHIVE_HMAC_PRIVATE_H_INCLUDED */ 111