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74 lines
2.6 KiB
C
74 lines
2.6 KiB
C
/* $KAME: sha1.h,v 1.5 2000/03/27 04:36:23 sumikawa Exp $ */
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/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
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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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* 3. Neither the name of the project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* FIPS pub 180-1: Secure Hash Algorithm (SHA-1)
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* based on: http://csrc.nist.gov/fips/fip180-1.txt
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* implemented by Jun-ichiro itojun Itoh <itojun@itojun.org>
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*/
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#ifndef _CRYPTO_SHA1_H_
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#define _CRYPTO_SHA1_H_
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struct sha1_ctxt {
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union {
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uint8_t b8[20];
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uint32_t b32[5];
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} h;
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union {
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uint8_t b8[8];
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uint64_t b64[1];
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} c;
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union {
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uint8_t b8[64];
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uint32_t b32[16];
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} m;
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uint8_t count;
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};
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typedef struct sha1_ctxt SHA1_CTX;
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#define SHA1_RESULTLEN (160/8)
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#ifdef _KERNEL
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extern void sha1_init(struct sha1_ctxt *);
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extern void sha1_pad(struct sha1_ctxt *);
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extern void sha1_loop(struct sha1_ctxt *, const uint8_t *, size_t);
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extern void sha1_result(struct sha1_ctxt *, char[__min_size(SHA1_RESULTLEN)]);
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/* compatibilty with other SHA1 source codes */
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#define SHA1Init(x) sha1_init((x))
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#define SHA1Update(x, y, z) sha1_loop((x), (y), (z))
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#define SHA1Final(x, y) sha1_result((y), (x))
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#endif /* _KERNEL */
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#endif /*_CRYPTO_SHA1_H_*/
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