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Annotation of sys/crypto/michael.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: michael.h,v 1.1 2006/03/21 18:40:54 reyk Exp $        */
                      2:
                      3: /*
                      4:  * Copyright (c) 2005, 2006 Reyk Floeter <reyk@openbsd.org>
                      5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
                      7:  * purpose with or without fee is hereby granted, provided that the above
                      8:  * copyright notice and this permission notice appear in all copies.
                      9:  *
                     10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     14:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     15:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     16:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     17:  */
                     18:
                     19: #ifndef _MICHAEL_H_
                     20: #define _MICHAEL_H_
                     21:
                     22: #define        MICHAEL_BLOCK_LENGTH            8
                     23: #define MICHAEL_RAW_BLOCK_LENGTH       4
                     24: #define        MICHAEL_DIGEST_LENGTH           8
                     25:
                     26: typedef struct michael_context {
                     27:        u_int32_t       michael_key[2];
                     28:        u_int32_t       michael_l, michael_r;
                     29:        u_int32_t       michael_state;
                     30:        u_int           michael_count;
                     31: } MICHAEL_CTX;
                     32:
                     33: #include <sys/cdefs.h>
                     34:
                     35: __BEGIN_DECLS
                     36: void    michael_init(MICHAEL_CTX *);
                     37: void    michael_update(MICHAEL_CTX *, const u_int8_t *, u_int)
                     38:            __attribute__((__bounded__(__buffer__, 2, 3)));
                     39: void    michael_final(u_int8_t [MICHAEL_DIGEST_LENGTH], MICHAEL_CTX *)
                     40:            __attribute__((__bounded__(__minbytes__, 1,
                     41:            MICHAEL_DIGEST_LENGTH)));
                     42: void    michael_key(const u_int8_t *, MICHAEL_CTX *)
                     43:            __attribute__((__bounded__(__minbytes__, 1,
                     44:            MICHAEL_BLOCK_LENGTH)));
                     45: __END_DECLS
                     46:
                     47: #endif /* _MICHAEL_H_ */