projects / proxmark3-svn / blame
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|---|---|---|
| d60418a0 MHS |
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 | |
| 26f202e2 | 25 | * by the Free Software Foundation, or, at your option, any later version. |
| d60418a0 MHS |
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 | * | |
| d60418a0 MHS |
36 | ****************************************************************************/ |
| 37 | ||
| a66fca86 AD |
38 | #ifndef IKEYS_H |
| 39 | #define IKEYS_H | |
| 3ad48540 MHS |
40 | |
| 41 | ||
| 42 | /** | |
| 43 | * @brief | |
| 44 | *Definition 11. Let the function hash0 : F 82 × F 82 × (F 62 ) 8 → (F 82 ) 8 be defined as | |
| 45 | * hash0(x, y, z [0] . . . z [7] ) = k [0] . . . k [7] where | |
| 46 | * z'[i] = (z[i] mod (63-i)) + i i = 0...3 | |
| 47 | * z'[i+4] = (z[i+4] mod (64-i)) + i i = 0...3 | |
| 48 | * ẑ = check(z'); | |
| 49 | * @param c | |
| 50 | * @param k this is where the diversified key is put (should be 8 bytes) | |
| 51 | * @return | |
| 52 | */ | |
| 53 | void hash0(uint64_t c, uint8_t k[8]); | |
| 54 | int doKeyTests(uint8_t debuglevel); | |
| 55 | /** | |
| 56 | * @brief Performs Elite-class key diversification | |
| 57 | * @param csn | |
| 58 | * @param key | |
| 59 | * @param div_key | |
| 60 | */ | |
| 61 | ||
| 62 | void diversifyKey(uint8_t csn[8], uint8_t key[8], uint8_t div_key[8]); | |
| 63 | /** | |
| 64 | * @brief Permutes a key from standard NIST format to Iclass specific format | |
| 65 | * @param key | |
| 66 | * @param dest | |
| 67 | */ | |
| 68 | ||
| a66fca86 | 69 | #endif // IKEYS_H |