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46 lines
1.6 KiB
C
46 lines
1.6 KiB
C
/* $OpenBSD: michael.h,v 1.2 2012/12/05 23:20:15 deraadt Exp $ */
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/*
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* Copyright (c) 2005, 2006 Reyk Floeter <reyk@openbsd.org>
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*
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* Permission to use, copy, modify, and 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 THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _MICHAEL_H_
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#define _MICHAEL_H_
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#define MICHAEL_BLOCK_LENGTH 8
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#define MICHAEL_RAW_BLOCK_LENGTH 4
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#define MICHAEL_DIGEST_LENGTH 8
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typedef struct michael_context {
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u_int32_t michael_key[2];
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u_int32_t michael_l, michael_r;
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u_int32_t michael_state;
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u_int michael_count;
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} MICHAEL_CTX;
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//__BEGIN_DECLS
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void michael_init(MICHAEL_CTX *);
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void michael_update(MICHAEL_CTX *, const u_int8_t *, u_int)
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__attribute__((__bounded__(__buffer__, 2, 3)));
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void michael_final(u_int8_t [MICHAEL_DIGEST_LENGTH], MICHAEL_CTX *)
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__attribute__((__bounded__(__minbytes__, 1,
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MICHAEL_DIGEST_LENGTH)));
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void michael_key(const u_int8_t *, MICHAEL_CTX *)
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__attribute__((__bounded__(__minbytes__, 1,
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MICHAEL_BLOCK_LENGTH)));
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//__END_DECLS
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#endif /* _MICHAEL_H_ */
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