drivers/usb/net/Zydas/zdmic.h

   1 /*
   2    $Id: zdmic.h,v 1.1.1.1 2006/07/13 10:27:54 mzcai Exp $
   3 */
   4 /***********************************************************************/
   5 /*          Copyright 2003 by ZyDAS Technology     Corporation         */
   6 /*                                                                     */
   7 /***********************************************************************/
   8 /***********************************************************************/
   9 /*                                                                     */
  10 /*    FILE DESCRIPTION                          MIChael.h              */
  11 /*      Header file required for TKIP  MIC                             */
  12 /*                                                                     */
  13 /*    ROUTINES                                                         */
  14 /*      XXX                                                            */
  15 /*                                                                     */
  16 /*    NOTES                                                            */
  17 /*      XXX                                                            */
  18 /*                                                                     */
  19 /*    MAINTAINER                                                       */
  20 /*      Liam,Hwu            ZyDAS Technology   Corporation     2003    */
  21 /*                                                                     */
  22 /***********************************************************************/
  23 #ifndef _ZDMIC_H_
  24 #define _ZDMIC_H_
  25
  26
  27 // Rotation functions on 32 bit values
  28 #define ROL32(A, n) \
  29                 ( ((A) << (n)) | ( ((A)>>(32-(n)))  & ( (1UL << (n)) - 1 ) ) )
  30
  31 #define ROR32(A, n) ROL32( (A), 32-(n) )
  32
  33
  34 //variable.
  35 typedef struct
  36 {
  37         U32  K0, K1;    // Key
  38     U32  L, R;          // Current state
  39     U32  M;             // Message accumulator (single word)
  40     int  nBytesInM; // # bytes in M
  41 } MICvar;                       // variable for MIC
  42
  43
  44 // Clear the internal message,
  45 // resets the object to the state just after construction.
  46 void MICclear(MICvar *MIC);
  47
  48
  49 // Set the key to a new value
  50 void MICsetKey(U8 *key, MICvar *MIC);
  51
  52
  53 // Get the MIC result. Destination should accept 8 bytes of result.
  54 // This also resets the message to empty.
  55
  56 void MICgetMIC(U8 *dst, MICvar *MIC);
  57
  58
  59 // Add a single byte to the internal message
  60 void MICappendByte(U8 b, MICvar *MIC);
  61 void MICappendArr(U8 *pb, MICvar *MIC, U32 Size);
  62
  63
  64 // Get U32 from 4 bytes LSByte first
  65 U32 getUInt32(U8 *p);
  66
  67
  68 // Put U32 into 4 bytes LSByte first
  69 void putUInt32(U8 *p, U32 val);
  70
  71 #endif