| | 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. |
| | 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 IKEYS_H |
| | 40 | #define IKEYS_H |
| | 41 | |
| | 42 | |
| | 43 | /** |
| | 44 | * @brief |
| | 45 | *Definition 11. Let the function hash0 : F 82 × F 82 × (F 62 ) 8 → (F 82 ) 8 be defined as |
| | 46 | * hash0(x, y, z [0] . . . z [7] ) = k [0] . . . k [7] where |
| | 47 | * z'[i] = (z[i] mod (63-i)) + i i = 0...3 |
| | 48 | * z'[i+4] = (z[i+4] mod (64-i)) + i i = 0...3 |
| | 49 | * ẑ = check(z'); |
| | 50 | * @param c |
| | 51 | * @param k this is where the diversified key is put (should be 8 bytes) |
| | 52 | * @return |
| | 53 | */ |
| | 54 | void hash0(uint64_t c, uint8_t k[8]); |
| | 55 | int doKeyTests(uint8_t debuglevel); |
| | 56 | /** |
| | 57 | * @brief Performs Elite-class key diversification |
| | 58 | * @param csn |
| | 59 | * @param key |
| | 60 | * @param div_key |
| | 61 | */ |
| | 62 | |
| | 63 | void diversifyKey(uint8_t csn[8], uint8_t key[8], uint8_t div_key[8]); |
| | 64 | /** |
| | 65 | * @brief Permutes a key from standard NIST format to Iclass specific format |
| | 66 | * @param key |
| | 67 | * @param dest |
| | 68 | */ |
| | 69 | |
| | 70 | #endif // IKEYS_H |
projects / proxmark3-svn / blame_incremental