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 __LIBARCHIVE_BUILD 27 #error This header is only to be used internally to libarchive. 28 #endif 29 30 #ifndef ARCHIVE_HMAC_PRIVATE_H_INCLUDED 31 #define ARCHIVE_HMAC_PRIVATE_H_INCLUDED 32 33 /* 34 * On systems that do not support any recognized crypto libraries, 35 * the archive_hmac.c file is expected to define no usable symbols. 36 * 37 * But some compilers and linkers choke on empty object files, so 38 * define a public symbol that will always exist. This could 39 * be removed someday if this file gains another always-present 40 * symbol definition. 41 */ 42 int __libarchive_hmac_build_hack(void); 43 44 #ifdef __APPLE__ 45 # include <AvailabilityMacros.h> 46 # if MAC_OS_X_VERSION_MAX_ALLOWED >= 1060 47 # define ARCHIVE_HMAC_USE_Apple_CommonCrypto 48 # endif 49 #endif 50 51 #ifdef ARCHIVE_HMAC_USE_Apple_CommonCrypto 52 #include <CommonCrypto/CommonHMAC.h> 53 54 typedef CCHmacContext archive_hmac_sha1_ctx; 55 56 #elif defined(_WIN32) && !defined(__CYGWIN__) && defined(HAVE_BCRYPT_H) 57 #include <bcrypt.h> 58 59 typedef struct { 60 BCRYPT_ALG_HANDLE hAlg; 61 BCRYPT_HASH_HANDLE hHash; 62 DWORD hash_len; 63 PBYTE hash; 64 65 } archive_hmac_sha1_ctx; 66 67 #elif defined(HAVE_LIBNETTLE) && defined(HAVE_NETTLE_HMAC_H) 68 #include <nettle/hmac.h> 69 70 typedef struct hmac_sha1_ctx archive_hmac_sha1_ctx; 71 72 #elif defined(HAVE_LIBCRYPTO) 73 #include <openssl/hmac.h> 74 75 typedef HMAC_CTX archive_hmac_sha1_ctx; 76 77 #else 78 79 typedef int archive_hmac_sha1_ctx; 80 81 #endif 82 83 84 /* HMAC */ 85 #define archive_hmac_sha1_init(ctx, key, key_len)\ 86 __archive_hmac.__hmac_sha1_init(ctx, key, key_len) 87 #define archive_hmac_sha1_update(ctx, data, data_len)\ 88 __archive_hmac.__hmac_sha1_update(ctx, data, data_len) 89 #define archive_hmac_sha1_final(ctx, out, out_len)\ 90 __archive_hmac.__hmac_sha1_final(ctx, out, out_len) 91 #define archive_hmac_sha1_cleanup(ctx)\ 92 __archive_hmac.__hmac_sha1_cleanup(ctx) 93 94 95 struct archive_hmac { 96 /* HMAC */ 97 int (*__hmac_sha1_init)(archive_hmac_sha1_ctx *, const uint8_t *, 98 size_t); 99 void (*__hmac_sha1_update)(archive_hmac_sha1_ctx *, const uint8_t *, 100 size_t); 101 void (*__hmac_sha1_final)(archive_hmac_sha1_ctx *, uint8_t *, size_t *); 102 void (*__hmac_sha1_cleanup)(archive_hmac_sha1_ctx *); 103 }; 104 105 extern const struct archive_hmac __archive_hmac; 106 #endif /* ARCHIVE_HMAC_PRIVATE_H_INCLUDED */ 107