1*04171cfcSAugustin Cavalier /* $OpenBSD: michael.h,v 1.2 2012/12/05 23:20:15 deraadt Exp $ */ 2*04171cfcSAugustin Cavalier 3*04171cfcSAugustin Cavalier /* 4*04171cfcSAugustin Cavalier * Copyright (c) 2005, 2006 Reyk Floeter <reyk@openbsd.org> 5*04171cfcSAugustin Cavalier * 6*04171cfcSAugustin Cavalier * Permission to use, copy, modify, and distribute this software for any 7*04171cfcSAugustin Cavalier * purpose with or without fee is hereby granted, provided that the above 8*04171cfcSAugustin Cavalier * copyright notice and this permission notice appear in all copies. 9*04171cfcSAugustin Cavalier * 10*04171cfcSAugustin Cavalier * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11*04171cfcSAugustin Cavalier * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12*04171cfcSAugustin Cavalier * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13*04171cfcSAugustin Cavalier * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14*04171cfcSAugustin Cavalier * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15*04171cfcSAugustin Cavalier * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16*04171cfcSAugustin Cavalier * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17*04171cfcSAugustin Cavalier */ 18*04171cfcSAugustin Cavalier 19*04171cfcSAugustin Cavalier #ifndef _MICHAEL_H_ 20*04171cfcSAugustin Cavalier #define _MICHAEL_H_ 21*04171cfcSAugustin Cavalier 22*04171cfcSAugustin Cavalier #define MICHAEL_BLOCK_LENGTH 8 23*04171cfcSAugustin Cavalier #define MICHAEL_RAW_BLOCK_LENGTH 4 24*04171cfcSAugustin Cavalier #define MICHAEL_DIGEST_LENGTH 8 25*04171cfcSAugustin Cavalier 26*04171cfcSAugustin Cavalier typedef struct michael_context { 27*04171cfcSAugustin Cavalier u_int32_t michael_key[2]; 28*04171cfcSAugustin Cavalier u_int32_t michael_l, michael_r; 29*04171cfcSAugustin Cavalier u_int32_t michael_state; 30*04171cfcSAugustin Cavalier u_int michael_count; 31*04171cfcSAugustin Cavalier } MICHAEL_CTX; 32*04171cfcSAugustin Cavalier 33*04171cfcSAugustin Cavalier __BEGIN_DECLS 34*04171cfcSAugustin Cavalier void michael_init(MICHAEL_CTX *); 35*04171cfcSAugustin Cavalier void michael_update(MICHAEL_CTX *, const u_int8_t *, u_int) 36*04171cfcSAugustin Cavalier __attribute__((__bounded__(__buffer__, 2, 3))); 37*04171cfcSAugustin Cavalier void michael_final(u_int8_t [MICHAEL_DIGEST_LENGTH], MICHAEL_CTX *) 38*04171cfcSAugustin Cavalier __attribute__((__bounded__(__minbytes__, 1, 39*04171cfcSAugustin Cavalier MICHAEL_DIGEST_LENGTH))); 40*04171cfcSAugustin Cavalier void michael_key(const u_int8_t *, MICHAEL_CTX *) 41*04171cfcSAugustin Cavalier __attribute__((__bounded__(__minbytes__, 1, 42*04171cfcSAugustin Cavalier MICHAEL_BLOCK_LENGTH))); 43*04171cfcSAugustin Cavalier __END_DECLS 44*04171cfcSAugustin Cavalier 45*04171cfcSAugustin Cavalier #endif /* _MICHAEL_H_ */ 46