armsrc/optimized_elite.h

   1 /*****************************************************************************
   2  * WARNING
   3  *
   4  * THIS CODE IS CREATED FOR EXPERIMENTATION AND EDUCATIONAL USE ONLY.
   5  *
   6  * USAGE OF THIS CODE IN OTHER WAYS MAY INFRINGE UPON THE INTELLECTUAL
   7  * PROPERTY OF OTHER PARTIES, SUCH AS INSIDE SECURE AND HID GLOBAL,
   8  * AND MAY EXPOSE YOU TO AN INFRINGEMENT ACTION FROM THOSE PARTIES.
   9  *
  10  * THIS CODE SHOULD NEVER BE USED TO INFRINGE PATENTS OR INTELLECTUAL PROPERTY RIGHTS.
  11  *
  12  *****************************************************************************
  13  *
  14  * This file is part of loclass. It is a reconstructon of the cipher engine
  15  * used in iClass, and RFID techology.
  16  *
  17  * The implementation is based on the work performed by
  18  * Flavio D. Garcia, Gerhard de Koning Gans, Roel Verdult and
  19  * Milosch Meriac in the paper "Dismantling IClass".
  20  *
  21  * Copyright (C) 2014 Martin Holst Swende
  22  *
  23  * This is free software: you can redistribute it and/or modify
  24  * it under the terms of the GNU General Public License version 2 as published
  25  * by the Free Software Foundation, or, at your option, any later version.
  26  *
  27  * This file is distributed in the hope that it will be useful,
  28  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  29  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  30  * GNU General Public License for more details.
  31  *
  32  * You should have received a copy of the GNU General Public License
  33  * along with loclass.  If not, see <http://www.gnu.org/licenses/>.
  34  *
  35  *
  36  ****************************************************************************/
  37
  38
  39 #ifndef ELITE_CRACK_H
  40 #define ELITE_CRACK_H
  41
  42 #include <stdint.h>
  43 #include <stdlib.h>
  44
  45 void permutekey(uint8_t key[8], uint8_t dest[8]);
  46 /**
  47  * Permutes  a key from iclass specific format to NIST format
  48  * @brief permutekey_rev
  49  * @param key
  50  * @param dest
  51  */
  52 void permutekey_rev(uint8_t key[8], uint8_t dest[8]);
  53 /**
  54  * Hash1 takes CSN as input, and determines what bytes in the keytable will be used
  55  * when constructing the K_sel.
  56  * @param csn the CSN used
  57  * @param k output
  58  */
  59 void hash1(uint8_t *csn, uint8_t *k);
  60 void hash2(uint8_t *key64, uint8_t *outp_keytable);
  61
  62 #endif