xref: /haiku/src/libs/compat/openbsd_wlan/crypto/michael.h (revision bb83316a5811a550c4f850d07fa8e328e7ac0a94)
1  /*	$OpenBSD: michael.h,v 1.2 2012/12/05 23:20:15 deraadt 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  __BEGIN_DECLS
34  void	 michael_init(MICHAEL_CTX *);
35  void	 michael_update(MICHAEL_CTX *, const u_int8_t *, u_int)
36  	    __attribute__((__bounded__(__buffer__, 2, 3)));
37  void	 michael_final(u_int8_t [MICHAEL_DIGEST_LENGTH], MICHAEL_CTX *)
38  	    __attribute__((__bounded__(__minbytes__, 1,
39  	    MICHAEL_DIGEST_LENGTH)));
40  void	 michael_key(const u_int8_t *, MICHAEL_CTX *)
41  	    __attribute__((__bounded__(__minbytes__, 1,
42  	    MICHAEL_BLOCK_LENGTH)));
43  __END_DECLS
44  
45  #endif /* _MICHAEL_H_ */
46