drivers/staging/vt6655/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
  32 #ifndef __MICHAEL_H__
  33 #define __MICHAEL_H__
  34
  35 #if !defined(__UMEM_H__)
  36 #include "umem.h"
  37 #endif
  38 /*---------------------  Export Definitions -------------------------*/
  39
  40 /*---------------------  Export Types  ------------------------------*/
  41
  42 VOID MIC_vInit(DWORD dwK0, DWORD dwK1);
  43
  44 VOID MIC_vUnInit(void);
  45
  46 // Append bytes to the message to be MICed
  47 VOID MIC_vAppend(PBYTE src, UINT nBytes);
  48
  49 // Get the MIC result. Destination should accept 8 bytes of result.
  50 // This also resets the message to empty.
  51 VOID MIC_vGetMIC(PDWORD pdwL, PDWORD pdwR);
  52
  53 /*---------------------  Export Macros ------------------------------*/
  54
  55 // Rotation functions on 32 bit values
  56 #define ROL32( A, n ) \
  57  ( ((A) << (n)) | ( ((A)>>(32-(n)))  & ( (1UL << (n)) - 1 ) ) )
  58 #define ROR32( A, n ) ROL32( (A), 32-(n) )
  59
  60 #endif //__MICHAEL_H__
  61
  62