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68 lines
1.8 KiB
C
68 lines
1.8 KiB
C
/*
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* Copyright (C) 2004-2007, 2009 Internet Systems Consortium, Inc. ("ISC")
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* Copyright (C) 2000, 2001 Internet Software Consortium.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
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* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
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* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
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* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef ISC_SHA1_H
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#define ISC_SHA1_H 1
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/* $Id: sha1.h,v 1.19 2009/02/06 23:47:42 tbox Exp $ */
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/* $NetBSD: sha1.h,v 1.2 1998/05/29 22:55:44 thorpej Exp $ */
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/*! \file isc/sha1.h
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* \brief SHA-1 in C
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* \author By Steve Reid <steve@edmweb.com>
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* \note 100% Public Domain
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*/
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#include <isc/lang.h>
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#include <isc/platform.h>
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#include <isc/types.h>
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#define ISC_SHA1_DIGESTLENGTH 20U
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#define ISC_SHA1_BLOCK_LENGTH 64U
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#ifdef ISC_PLATFORM_OPENSSLHASH
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#include <openssl/evp.h>
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typedef EVP_MD_CTX isc_sha1_t;
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#else
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typedef struct {
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isc_uint32_t state[5];
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isc_uint32_t count[2];
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unsigned char buffer[ISC_SHA1_BLOCK_LENGTH];
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} isc_sha1_t;
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#endif
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ISC_LANG_BEGINDECLS
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void
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isc_sha1_init(isc_sha1_t *ctx);
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void
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isc_sha1_invalidate(isc_sha1_t *ctx);
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void
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isc_sha1_update(isc_sha1_t *ctx, const unsigned char *data, unsigned int len);
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void
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isc_sha1_final(isc_sha1_t *ctx, unsigned char *digest);
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ISC_LANG_ENDDECLS
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#endif /* ISC_SHA1_H */
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