mirror of
https://github.com/DarkFlippers/unleashed-firmware
synced 2024-12-23 03:03:10 +00:00
f46ae5a704
* Namespace loclass library * Lib: const for immutable variables and bss cleanup Co-authored-by: あく <alleteam@gmail.com>
64 lines
2.6 KiB
C
64 lines
2.6 KiB
C
//-----------------------------------------------------------------------------
|
|
// Borrowed initially from https://github.com/holiman/loclass
|
|
// More recently from https://github.com/RfidResearchGroup/proxmark3
|
|
// Copyright (C) 2014 Martin Holst Swende
|
|
// Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// See LICENSE.txt for the text of the license.
|
|
//-----------------------------------------------------------------------------
|
|
// WARNING
|
|
//
|
|
// THIS CODE IS CREATED FOR EXPERIMENTATION AND EDUCATIONAL USE ONLY.
|
|
//
|
|
// USAGE OF THIS CODE IN OTHER WAYS MAY INFRINGE UPON THE INTELLECTUAL
|
|
// PROPERTY OF OTHER PARTIES, SUCH AS INSIDE SECURE AND HID GLOBAL,
|
|
// AND MAY EXPOSE YOU TO AN INFRINGEMENT ACTION FROM THOSE PARTIES.
|
|
//
|
|
// THIS CODE SHOULD NEVER BE USED TO INFRINGE PATENTS OR INTELLECTUAL PROPERTY RIGHTS.
|
|
//-----------------------------------------------------------------------------
|
|
// It is a reconstruction of the cipher engine used in iClass, and RFID techology.
|
|
//
|
|
// The implementation is based on the work performed by
|
|
// Flavio D. Garcia, Gerhard de Koning Gans, Roel Verdult and
|
|
// Milosch Meriac in the paper "Dismantling IClass".
|
|
//-----------------------------------------------------------------------------
|
|
#ifndef CIPHERUTILS_H
|
|
#define CIPHERUTILS_H
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
#include <stdlib.h>
|
|
|
|
typedef struct {
|
|
uint8_t *buffer;
|
|
uint8_t numbits;
|
|
uint8_t position;
|
|
} LoclassBitstreamIn_t;
|
|
|
|
typedef struct {
|
|
uint8_t *buffer;
|
|
uint8_t numbits;
|
|
uint8_t position;
|
|
} LoclassBitstreamOut_t;
|
|
|
|
bool loclass_headBit(LoclassBitstreamIn_t *stream);
|
|
bool loclass_tailBit(LoclassBitstreamIn_t *stream);
|
|
void loclass_pushBit(LoclassBitstreamOut_t *stream, bool bit);
|
|
int loclass_bitsLeft(LoclassBitstreamIn_t *stream);
|
|
|
|
void loclass_push6bits(LoclassBitstreamOut_t *stream, uint8_t bits);
|
|
void loclass_x_num_to_bytes(uint64_t n, size_t len, uint8_t *dest);
|
|
uint64_t loclass_x_bytes_to_num(uint8_t *src, size_t len);
|
|
uint8_t loclass_reversebytes(uint8_t b);
|
|
void loclass_reverse_arraybytes(uint8_t *arr, size_t len);
|
|
void loclass_reverse_arraycopy(uint8_t *arr, uint8_t *dest, size_t len);
|
|
#endif // CIPHERUTILS_H
|