drivers/usb/net/Zydas/zdtkipseed.h

   1 #ifndef _ZDTKIPSEED_H_
   2 #define _ZDTKIPSEED_H_
   3
   4
   5 #define Mk16(A, B)      ((A<<8)+B)
   6
   7 #define Lo8(v16)  ((U8)( (v16) & 0xFF))
   8 #define Hi8(v16)  ((U8)(((v16)>>8) & 0xFF))
   9
  10
  11 //variable.
  12 typedef struct _Seedvar
  13 {
  14         U8              TK[16];         // Key
  15     U8          TA[6];
  16     U16         TTAK[5];        // TTAK
  17     U16         ppk[6];
  18     U16         IV16, iv16tmp;
  19     U32         IV32, iv32tmp;
  20 }Seedvar, *PSeedvar;
  21
  22 #define Tx  0
  23 #define Rx  1
  24
  25 #if defined(PHY_1202)
  26
  27 void Tkip_Init(U8 *key, U8 *ta, Seedvar *Seed, U8 *initiv);
  28 void Tkip_clear(Seedvar *Seed);
  29
  30 // set key and TA
  31 void Tkip_setkey(U8 *key, U8 *ta, Seedvar *Seed);
  32
  33 // phase1 key mixing function
  34 char Tkip_phase1_key_mix(U32 IV32, Seedvar *Seed);
  35
  36 // phase2 key mixing function
  37 char Tkip_phase2_key_mix(U16 IV16, Seedvar *Seed);
  38
  39 // get generated seeds
  40 void Tkip_getseeds(U16 IV16, U8 *RC4Key, Seedvar *Seed);
  41
  42 // update stored IV.
  43 void Tkip_updateiv(Seedvar *Seed);
  44
  45
  46 /************************************************************/
  47 /* tkip_sbox()                                              */
  48 /* Returns a 16 bit value from a 64K entry table. The Table */
  49 /* is synthesized from two 256 entry byte wide tables.      */
  50 /************************************************************/
  51 unsigned int tkip_sbox(unsigned int index);
  52
  53 // rotate right by 1 bit.
  54 unsigned int rotr1(unsigned int a);
  55
  56 #endif
  57 #endif