proxmark3/include/em4x50.h
2021-08-21 23:08:26 +02:00

68 lines
2.1 KiB
C

//-----------------------------------------------------------------------------
// Copyright (C) 2020 tharexde
//
// This code is licensed to you under the terms of the GNU GPL, version 2 or,
// at your option, any later version. See the LICENSE.txt file for the text of
// the license.
//-----------------------------------------------------------------------------
// Low frequency EM4x50 structs
//-----------------------------------------------------------------------------
#ifndef EM4X50_H__
#define EM4X50_H__
#include "common.h"
#define EM4X50_NO_WORDS 34
// special words
#define EM4X50_DEVICE_PASSWORD 0
#define EM4X50_PROTECTION 1
#define EM4X50_CONTROL 2
#define EM4X50_DEVICE_SERIAL 32
#define EM4X50_DEVICE_ID 33
// control word (word = 4 bytes)
#define FIRST_WORD_READ 0 // first byte
#define LAST_WORD_READ 1 // second byte
#define CONFIG_BLOCK 2 // third byte
#define PASSWORD_CHECK 0x80 // first bit in third byte
#define READ_AFTER_WRITE 0x40 // second bit in third byte
// protection word
#define FIRST_WORD_READ_PROTECTED 0 // first byte
#define LAST_WORD_READ_PROTECTED 1 // second byte
#define FIRST_WORD_WRITE_INHIBITED 2 // third byte
#define LAST_WORD_WRITE_INHIBITED 3 // fourth byte
// commands
#define EM4X50_COMMAND_LOGIN 0x01
#define EM4X50_COMMAND_RESET 0x80
#define EM4X50_COMMAND_WRITE 0x12
#define EM4X50_COMMAND_WRITE_PASSWORD 0x11
#define EM4X50_COMMAND_SELECTIVE_READ 0x0A
#define EM4X50_COMMAND_STANDARD_READ 0x02 // virtual command
// misc
#define TIMEOUT_CMD 3000
#define DUMP_FILESIZE 136
typedef struct {
bool addr_given;
bool pwd_given;
uint32_t password1;
uint32_t password2;
uint32_t word;
uint32_t addresses;
} PACKED em4x50_data_t;
typedef struct {
uint8_t byte[4];
} PACKED em4x50_word_t;
extern bool g_Login;
extern bool g_WritePasswordProcess;
extern uint32_t g_Password;
#endif /* EM4X50_H__ */