/drivers/staging/vt6656/michael.h

 1/*
 2 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
 3 * All rights reserved.
 4 *
 5 * This program is free software; you can redistribute it and/or modify
 6 * it under the terms of the GNU General Public License as published by
 7 * the Free Software Foundation; either version 2 of the License, or
 8 * (at your option) any later version.
 9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 *
20 * File: Michael.h
21 *
22 * Purpose: Reference implementation for Michael
23 *          written by Niels Ferguson
24 *
25 * Author: Kyle Hsu
26 *
27 * Date: Jan 2, 2003
28 *
29 */
30
31#ifndef __MICHAEL_H__
32#define __MICHAEL_H__
33
34/*---------------------  Export Definitions -------------------------*/
35
36/*---------------------  Export Types  ------------------------------*/
37
38void MIC_vInit(DWORD dwK0, DWORD dwK1);
39
40void MIC_vUnInit(void);
41
42// Append bytes to the message to be MICed
43void MIC_vAppend(PBYTE src, unsigned int nBytes);
44
45// Get the MIC result. Destination should accept 8 bytes of result.
46// This also resets the message to empty.
47void MIC_vGetMIC(PDWORD pdwL, PDWORD pdwR);
48
49/*---------------------  Export Macros ------------------------------*/
50
51// Rotation functions on 32 bit values
52#define ROL32(A, n) \
53 (((A) << (n)) | (((A)>>(32-(n)))  & ((1UL << (n)) - 1)))
54#define ROR32(A, n) ROL32((A), 32-(n))
55
56#endif /* __MICHAEL_H__ */