armsrc/optimized_elite.h

   1 //-----------------------------------------------------------------------------
   2 // Borrowed initially from https://github.com/holiman/loclass
   3 // Copyright (C) 2014 Martin Holst Swende
   4 // Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
   5 //
   6 // This program is free software: you can redistribute it and/or modify
   7 // it under the terms of the GNU General Public License as published by
   8 // the Free Software Foundation, either version 3 of the License, or
   9 // (at your option) any later version.
  10 //
  11 // This program is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15 //
  16 // See LICENSE.txt for the text of the license.
  17 //-----------------------------------------------------------------------------
  18 // WARNING
  19 //
  20 // THIS CODE IS CREATED FOR EXPERIMENTATION AND EDUCATIONAL USE ONLY.
  21 //
  22 // USAGE OF THIS CODE IN OTHER WAYS MAY INFRINGE UPON THE INTELLECTUAL
  23 // PROPERTY OF OTHER PARTIES, SUCH AS INSIDE SECURE AND HID GLOBAL,
  24 // AND MAY EXPOSE YOU TO AN INFRINGEMENT ACTION FROM THOSE PARTIES.
  25 //
  26 // THIS CODE SHOULD NEVER BE USED TO INFRINGE PATENTS OR INTELLECTUAL PROPERTY RIGHTS.
  27 //-----------------------------------------------------------------------------
  28 // It is a reconstruction of the cipher engine used in iClass, and RFID techology.
  29 //
  30 // The implementation is based on the work performed by
  31 // Flavio D. Garcia, Gerhard de Koning Gans, Roel Verdult and
  32 // Milosch Meriac in the paper "Dismantling IClass".
  33 //-----------------------------------------------------------------------------
  34 #ifndef ELITE_CRACK_H
  35 #define ELITE_CRACK_H
  36
  37 #include <stdint.h>
  38 #include <stdlib.h>
  39
  40 void permutekey(const uint8_t key[8], uint8_t dest[8]);
  41 /**
  42  * Permutes  a key from iclass specific format to NIST format
  43  * @brief permutekey_rev
  44  * @param key
  45  * @param dest
  46  */
  47 void permutekey_rev(const uint8_t key[8], uint8_t dest[8]);
  48 /**
  49  * Hash1 takes CSN as input, and determines what bytes in the keytable will be used
  50  * when constructing the K_sel.
  51  * @param csn the CSN used
  52  * @param k output
  53  */
  54 void hash1(const uint8_t *csn, uint8_t *k);
  55 void hash2(uint8_t *key64, uint8_t *outp_keytable);
  56
  57 #endif