1*4a39ccd0Sderaadt /* $OpenBSD: michael.h,v 1.2 2012/12/05 23:20:15 deraadt Exp $ */ 23eff7d12Sreyk 33eff7d12Sreyk /* 43eff7d12Sreyk * Copyright (c) 2005, 2006 Reyk Floeter <reyk@openbsd.org> 53eff7d12Sreyk * 63eff7d12Sreyk * Permission to use, copy, modify, and distribute this software for any 73eff7d12Sreyk * purpose with or without fee is hereby granted, provided that the above 83eff7d12Sreyk * copyright notice and this permission notice appear in all copies. 93eff7d12Sreyk * 103eff7d12Sreyk * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 113eff7d12Sreyk * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 123eff7d12Sreyk * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 133eff7d12Sreyk * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 143eff7d12Sreyk * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 153eff7d12Sreyk * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 163eff7d12Sreyk * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 173eff7d12Sreyk */ 183eff7d12Sreyk 193eff7d12Sreyk #ifndef _MICHAEL_H_ 203eff7d12Sreyk #define _MICHAEL_H_ 213eff7d12Sreyk 223eff7d12Sreyk #define MICHAEL_BLOCK_LENGTH 8 233eff7d12Sreyk #define MICHAEL_RAW_BLOCK_LENGTH 4 243eff7d12Sreyk #define MICHAEL_DIGEST_LENGTH 8 253eff7d12Sreyk 263eff7d12Sreyk typedef struct michael_context { 273eff7d12Sreyk u_int32_t michael_key[2]; 283eff7d12Sreyk u_int32_t michael_l, michael_r; 293eff7d12Sreyk u_int32_t michael_state; 303eff7d12Sreyk u_int michael_count; 313eff7d12Sreyk } MICHAEL_CTX; 323eff7d12Sreyk 333eff7d12Sreyk __BEGIN_DECLS 343eff7d12Sreyk void michael_init(MICHAEL_CTX *); 353eff7d12Sreyk void michael_update(MICHAEL_CTX *, const u_int8_t *, u_int) 363eff7d12Sreyk __attribute__((__bounded__(__buffer__, 2, 3))); 373eff7d12Sreyk void michael_final(u_int8_t [MICHAEL_DIGEST_LENGTH], MICHAEL_CTX *) 383eff7d12Sreyk __attribute__((__bounded__(__minbytes__, 1, 393eff7d12Sreyk MICHAEL_DIGEST_LENGTH))); 403eff7d12Sreyk void michael_key(const u_int8_t *, MICHAEL_CTX *) 413eff7d12Sreyk __attribute__((__bounded__(__minbytes__, 1, 423eff7d12Sreyk MICHAEL_BLOCK_LENGTH))); 433eff7d12Sreyk __END_DECLS 443eff7d12Sreyk 453eff7d12Sreyk #endif /* _MICHAEL_H_ */ 46