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/*-
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* Copyright (c) 2014 Michihiro NAKAJIMA
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __LIBARCHIVE_BUILD
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#error This header is only to be used internally to libarchive.
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#endif
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#ifndef ARCHIVE_HMAC_PRIVATE_H_INCLUDED
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#define ARCHIVE_HMAC_PRIVATE_H_INCLUDED
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/*
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* On systems that do not support any recognized crypto libraries,
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* the archive_hmac.c file is expected to define no usable symbols.
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*
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* But some compilers and linkers choke on empty object files, so
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* define a public symbol that will always exist. This could
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* be removed someday if this file gains another always-present
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* symbol definition.
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*/
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int __libarchive_hmac_build_hack(void);
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#ifdef __APPLE__
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# include <AvailabilityMacros.h>
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# if MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
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# define ARCHIVE_HMAC_USE_Apple_CommonCrypto
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# endif
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#endif
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#ifdef ARCHIVE_HMAC_USE_Apple_CommonCrypto
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#include <CommonCrypto/CommonHMAC.h>
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typedef CCHmacContext archive_hmac_sha1_ctx;
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#elif defined(_WIN32) && !defined(__CYGWIN__) && defined(HAVE_BCRYPT_H)
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#include <bcrypt.h>
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typedef struct {
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BCRYPT_ALG_HANDLE hAlg;
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BCRYPT_HASH_HANDLE hHash;
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DWORD hash_len;
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PBYTE hash;
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} archive_hmac_sha1_ctx;
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#elif defined(HAVE_LIBNETTLE) && defined(HAVE_NETTLE_HMAC_H)
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#include <nettle/hmac.h>
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typedef struct hmac_sha1_ctx archive_hmac_sha1_ctx;
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#elif defined(HAVE_LIBCRYPTO)
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#include <openssl/hmac.h>
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typedef HMAC_CTX archive_hmac_sha1_ctx;
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#else
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typedef int archive_hmac_sha1_ctx;
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#endif
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/* HMAC */
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#define archive_hmac_sha1_init(ctx, key, key_len)\
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__archive_hmac.__hmac_sha1_init(ctx, key, key_len)
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#define archive_hmac_sha1_update(ctx, data, data_len)\
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__archive_hmac.__hmac_sha1_update(ctx, data, data_len)
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#define archive_hmac_sha1_final(ctx, out, out_len)\
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__archive_hmac.__hmac_sha1_final(ctx, out, out_len)
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#define archive_hmac_sha1_cleanup(ctx)\
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__archive_hmac.__hmac_sha1_cleanup(ctx)
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struct archive_hmac {
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/* HMAC */
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int (*__hmac_sha1_init)(archive_hmac_sha1_ctx *, const uint8_t *,
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size_t);
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void (*__hmac_sha1_update)(archive_hmac_sha1_ctx *, const uint8_t *,
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size_t);
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void (*__hmac_sha1_final)(archive_hmac_sha1_ctx *, uint8_t *, size_t *);
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void (*__hmac_sha1_cleanup)(archive_hmac_sha1_ctx *);
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};
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extern const struct archive_hmac __archive_hmac;
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#endif /* ARCHIVE_HMAC_PRIVATE_H_INCLUDED */
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