mirror of
https://github.com/RfidResearchGroup/proxmark3.git
synced 2024-11-11 01:55:38 +08:00
572 lines
17 KiB
C
572 lines
17 KiB
C
#include "mifaredesfire.h"
|
|
|
|
#define MAX_APPLICATION_COUNT 28
|
|
#define MAX_FILE_COUNT 16
|
|
#define MAX_DESFIRE_FRAME_SIZE 60
|
|
#define NOT_YET_AUTHENTICATED 255
|
|
#define FRAME_PAYLOAD_SIZE (MAX_DESFIRE_FRAME_SIZE - 5)
|
|
#define RECEIVE_SIZE 64
|
|
|
|
// the block number for the ISO14443-4 PCB
|
|
uint8_t pcb_blocknum = 0;
|
|
// Deselect card by sending a s-block. the crc is precalced for speed
|
|
static uint8_t deselect_cmd[] = {0xc2, 0xe0, 0xb4};
|
|
|
|
//static uint8_t __msg[MAX_FRAME_SIZE] = { 0x0A, 0x00, 0x00, /* ..., */ 0x00 };
|
|
/* PCB CID CMD PAYLOAD */
|
|
//static uint8_t __res[MAX_FRAME_SIZE];
|
|
|
|
bool InitDesfireCard() {
|
|
|
|
iso14a_card_select_t card;
|
|
|
|
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
|
|
set_tracing(true);
|
|
|
|
if (!iso14443a_select_card(NULL, &card, NULL, true, 0, false)) {
|
|
if (DBGLEVEL >= DBG_ERROR) DbpString("Can't select card");
|
|
OnError(1);
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
// ARG0 flag enums
|
|
enum {
|
|
NONE = 0x00,
|
|
INIT = 0x01,
|
|
DISCONNECT = 0x02,
|
|
CLEARTRACE = 0x04,
|
|
BAR = 0x08,
|
|
} CmdOptions ;
|
|
|
|
void MifareSendCommand(uint8_t arg0, uint8_t arg1, uint8_t *datain) {
|
|
|
|
/* ARG0 contains flags.
|
|
0x01 = init card.
|
|
0x02 = Disconnect
|
|
0x03
|
|
*/
|
|
uint8_t flags = arg0;
|
|
size_t datalen = arg1;
|
|
uint8_t resp[RECEIVE_SIZE];
|
|
memset(resp, 0, sizeof(resp));
|
|
|
|
if (DBGLEVEL >= 4) {
|
|
Dbprintf(" flags : %02X", flags);
|
|
Dbprintf(" len : %02X", datalen);
|
|
print_result(" RX : ", datain, datalen);
|
|
}
|
|
|
|
if (flags & CLEARTRACE)
|
|
clear_trace();
|
|
|
|
if (flags & INIT) {
|
|
if (!InitDesfireCard())
|
|
return;
|
|
}
|
|
|
|
int len = DesfireAPDU(datain, datalen, resp);
|
|
if (DBGLEVEL >= 4)
|
|
print_result("ERR <--: ", resp, len);
|
|
|
|
if (!len) {
|
|
OnError(2);
|
|
return;
|
|
}
|
|
|
|
// reset the pcb_blocknum,
|
|
pcb_blocknum = 0;
|
|
|
|
if (flags & DISCONNECT)
|
|
OnSuccess();
|
|
|
|
reply_old(CMD_ACK, 1, len, 0, resp, len);
|
|
}
|
|
|
|
void MifareDesfireGetInformation() {
|
|
|
|
int len = 0;
|
|
iso14a_card_select_t card;
|
|
uint8_t resp[PM3_CMD_DATA_SIZE] = {0x00};
|
|
uint8_t dataout[PM3_CMD_DATA_SIZE] = {0x00};
|
|
|
|
/*
|
|
1 = PCB 1
|
|
2 = cid 2
|
|
3 = desfire command 3
|
|
4-5 = crc 4 key
|
|
5-6 crc
|
|
PCB == 0x0A because sending CID byte.
|
|
CID == 0x00 first card?
|
|
*/
|
|
clear_trace();
|
|
set_tracing(true);
|
|
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
|
|
|
|
// card select - information
|
|
if (!iso14443a_select_card(NULL, &card, NULL, true, 0, false)) {
|
|
if (DBGLEVEL >= DBG_ERROR) DbpString("Can't select card");
|
|
OnError(1);
|
|
return;
|
|
}
|
|
|
|
if (card.uidlen != 7) {
|
|
if (DBGLEVEL >= DBG_ERROR) Dbprintf("Wrong UID size. Expected 7byte got %d", card.uidlen);
|
|
OnError(2);
|
|
return;
|
|
}
|
|
|
|
memcpy(dataout, card.uid, 7);
|
|
|
|
LED_A_ON();
|
|
LED_B_OFF();
|
|
LED_C_OFF();
|
|
|
|
uint8_t cmd[] = {GET_VERSION};
|
|
size_t cmd_len = sizeof(cmd);
|
|
|
|
len = DesfireAPDU(cmd, cmd_len, resp);
|
|
if (!len) {
|
|
print_result("ERROR <--: ", resp, len);
|
|
OnError(3);
|
|
return;
|
|
}
|
|
|
|
LED_A_OFF();
|
|
LED_B_ON();
|
|
memcpy(dataout + 7, resp + 3, 7);
|
|
|
|
// ADDITION_FRAME 1
|
|
cmd[0] = ADDITIONAL_FRAME;
|
|
len = DesfireAPDU(cmd, cmd_len, resp);
|
|
if (!len) {
|
|
print_result("ERROR <--: ", resp, len);
|
|
OnError(3);
|
|
return;
|
|
}
|
|
|
|
LED_B_OFF();
|
|
LED_C_ON();
|
|
memcpy(dataout + 7 + 7, resp + 3, 7);
|
|
|
|
// ADDITION_FRAME 2
|
|
len = DesfireAPDU(cmd, cmd_len, resp);
|
|
if (!len) {
|
|
print_result("ERROR <--: ", resp, len);
|
|
OnError(3);
|
|
return;
|
|
}
|
|
|
|
memcpy(dataout + 7 + 7 + 7, resp + 3, 14);
|
|
|
|
reply_old(CMD_ACK, 1, 0, 0, dataout, sizeof(dataout));
|
|
|
|
// reset the pcb_blocknum,
|
|
pcb_blocknum = 0;
|
|
OnSuccess();
|
|
}
|
|
|
|
void MifareDES_Auth1(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain) {
|
|
// mode = arg0
|
|
// algo = arg1
|
|
// keyno = arg2
|
|
int len = 0;
|
|
//uint8_t PICC_MASTER_KEY8[8] = { 0x40,0x41,0x42,0x43,0x44,0x45,0x46,0x47};
|
|
uint8_t PICC_MASTER_KEY16[16] = { 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f };
|
|
//uint8_t null_key_data16[16] = {0x00};
|
|
//uint8_t new_key_data8[8] = { 0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77};
|
|
//uint8_t new_key_data16[16] = { 0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xAA,0xBB,0xCC,0xDD,0xEE,0xFF};
|
|
|
|
uint8_t resp[256] = {0x00};
|
|
|
|
size_t datalen = datain[0];
|
|
|
|
uint8_t cmd[40] = {0x00};
|
|
uint8_t encRndB[16] = {0x00};
|
|
uint8_t decRndB[16] = {0x00};
|
|
uint8_t both[32] = {0x00};
|
|
|
|
InitDesfireCard();
|
|
|
|
LED_A_ON();
|
|
LED_B_OFF();
|
|
LED_C_OFF();
|
|
|
|
// 3 different way to authenticate AUTH (CRC16) , AUTH_ISO (CRC32) , AUTH_AES (CRC32)
|
|
// 4 different crypto arg1 DES, 3DES, 3K3DES, AES
|
|
// 3 different communication modes, PLAIN,MAC,CRYPTO
|
|
|
|
// des, key 0,
|
|
switch (arg0) {
|
|
case 1: {
|
|
uint8_t keybytes[16];
|
|
uint8_t RndA[8] = {0x00};
|
|
uint8_t RndB[8] = {0x00};
|
|
|
|
if (arg1 == 2) {
|
|
if (datain[1] == 0xff) {
|
|
memcpy(keybytes, PICC_MASTER_KEY16, 16);
|
|
} else {
|
|
memcpy(keybytes, datain + 1, datalen);
|
|
}
|
|
} else {
|
|
if (arg1 == 1) {
|
|
if (datain[1] == 0xff) {
|
|
uint8_t null_key_data8[8] = {0x00};
|
|
memcpy(keybytes, null_key_data8, 8);
|
|
} else {
|
|
memcpy(keybytes, datain + 1, datalen);
|
|
}
|
|
}
|
|
}
|
|
|
|
struct desfire_key defaultkey = {0};
|
|
desfirekey_t key = &defaultkey;
|
|
|
|
if (arg1 == 2)
|
|
Desfire_3des_key_new_with_version(keybytes, key);
|
|
else if (arg1 == 1)
|
|
Desfire_des_key_new(keybytes, key);
|
|
|
|
cmd[0] = AUTHENTICATE;
|
|
cmd[1] = arg2; //keynumber
|
|
len = DesfireAPDU(cmd, 2, resp);
|
|
if (!len) {
|
|
if (DBGLEVEL >= DBG_ERROR) {
|
|
DbpString("Authentication failed. Card timeout.");
|
|
}
|
|
OnError(3);
|
|
return;
|
|
}
|
|
|
|
if (resp[2] == 0xaf) {
|
|
} else {
|
|
DbpString("Authentication failed. Invalid key number.");
|
|
OnError(3);
|
|
return;
|
|
}
|
|
|
|
memcpy(encRndB, resp + 3, 8);
|
|
if (arg1 == 2)
|
|
tdes_dec(&decRndB, &encRndB, key->data);
|
|
else if (arg1 == 1)
|
|
des_dec(&decRndB, &encRndB, key->data);
|
|
|
|
memcpy(RndB, decRndB, 8);
|
|
rol(decRndB, 8);
|
|
|
|
// This should be random
|
|
uint8_t decRndA[8] = {0x00};
|
|
memcpy(RndA, decRndA, 8);
|
|
uint8_t encRndA[8] = {0x00};
|
|
|
|
if (arg1 == 2)
|
|
tdes_dec(&encRndA, &decRndA, key->data);
|
|
else if (arg1 == 1)
|
|
des_dec(&encRndA, &decRndA, key->data);
|
|
|
|
memcpy(both, encRndA, 8);
|
|
|
|
for (int x = 0; x < 8; x++) {
|
|
decRndB[x] = decRndB[x] ^ encRndA[x];
|
|
|
|
}
|
|
|
|
if (arg1 == 2)
|
|
tdes_dec(&encRndB, &decRndB, key->data);
|
|
else if (arg1 == 1)
|
|
des_dec(&encRndB, &decRndB, key->data);
|
|
|
|
memcpy(both + 8, encRndB, 8);
|
|
|
|
cmd[0] = ADDITIONAL_FRAME;
|
|
memcpy(cmd + 1, both, 16);
|
|
|
|
len = DesfireAPDU(cmd, 17, resp);
|
|
if (!len) {
|
|
if (DBGLEVEL >= DBG_ERROR) {
|
|
DbpString("Authentication failed. Card timeout.");
|
|
}
|
|
OnError(3);
|
|
return;
|
|
}
|
|
|
|
if (resp[2] == 0x00) {
|
|
|
|
struct desfire_key sessionKey = {0};
|
|
desfirekey_t skey = &sessionKey;
|
|
Desfire_session_key_new(RndA, RndB, key, skey);
|
|
//print_result("SESSION : ", skey->data, 8);
|
|
|
|
memcpy(encRndA, resp + 3, 8);
|
|
|
|
if (arg1 == 2)
|
|
tdes_dec(&encRndA, &encRndA, key->data);
|
|
else if (arg1 == 1)
|
|
des_dec(&encRndA, &encRndA, key->data);
|
|
|
|
rol(decRndA, 8);
|
|
for (int x = 0; x < 8; x++) {
|
|
if (decRndA[x] != encRndA[x]) {
|
|
DbpString("Authentication failed. Cannot varify PICC.");
|
|
OnError(4);
|
|
return;
|
|
}
|
|
}
|
|
|
|
//Change the selected key to a new value.
|
|
/*
|
|
|
|
// Current key is a 3DES key, change it to a DES key
|
|
if (arg1 == 2) {
|
|
cmd[0] = CHANGE_KEY;
|
|
cmd[1] = arg2;
|
|
|
|
uint8_t newKey[16] = {0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77};
|
|
|
|
uint8_t first, second;
|
|
uint8_t buff1[8] = {0x00};
|
|
uint8_t buff2[8] = {0x00};
|
|
uint8_t buff3[8] = {0x00};
|
|
|
|
memcpy(buff1,newKey, 8);
|
|
memcpy(buff2,newKey + 8, 8);
|
|
|
|
compute_crc(CRC_14443_A, newKey, 16, &first, &second);
|
|
memcpy(buff3, &first, 1);
|
|
memcpy(buff3 + 1, &second, 1);
|
|
|
|
tdes_dec(&buff1, &buff1, skey->data);
|
|
memcpy(cmd+2,buff1,8);
|
|
|
|
for (int x = 0; x < 8; x++) {
|
|
buff2[x] = buff2[x] ^ buff1[x];
|
|
}
|
|
tdes_dec(&buff2, &buff2, skey->data);
|
|
memcpy(cmd+10,buff2,8);
|
|
|
|
for (int x = 0; x < 8; x++) {
|
|
buff3[x] = buff3[x] ^ buff2[x];
|
|
}
|
|
tdes_dec(&buff3, &buff3, skey->data);
|
|
memcpy(cmd+18,buff3,8);
|
|
|
|
// The command always times out on the first attempt, this will retry until a response
|
|
// is recieved.
|
|
len = 0;
|
|
while(!len) {
|
|
len = DesfireAPDU(cmd,26,resp);
|
|
}
|
|
|
|
} else {
|
|
// Current key is a DES key, change it to a 3DES key
|
|
if (arg1 == 1) {
|
|
cmd[0] = CHANGE_KEY;
|
|
cmd[1] = arg2;
|
|
|
|
uint8_t newKey[16] = {0x40,0x41,0x42,0x43,0x44,0x45,0x46,0x47,0x48,0x49,0x4a,0x4b,0x4c,0x4d,0x4e,0x4f};
|
|
|
|
uint8_t first, second;
|
|
uint8_t buff1[8] = {0x00};
|
|
uint8_t buff2[8] = {0x00};
|
|
uint8_t buff3[8] = {0x00};
|
|
|
|
memcpy(buff1,newKey, 8);
|
|
memcpy(buff2,newKey + 8, 8);
|
|
|
|
compute_crc(CRC_14443_A, newKey, 16, &first, &second);
|
|
memcpy(buff3, &first, 1);
|
|
memcpy(buff3 + 1, &second, 1);
|
|
|
|
des_dec(&buff1, &buff1, skey->data);
|
|
memcpy(cmd+2,buff1,8);
|
|
|
|
for (int x = 0; x < 8; x++) {
|
|
buff2[x] = buff2[x] ^ buff1[x];
|
|
}
|
|
des_dec(&buff2, &buff2, skey->data);
|
|
memcpy(cmd+10,buff2,8);
|
|
|
|
for (int x = 0; x < 8; x++) {
|
|
buff3[x] = buff3[x] ^ buff2[x];
|
|
}
|
|
des_dec(&buff3, &buff3, skey->data);
|
|
memcpy(cmd+18,buff3,8);
|
|
|
|
// The command always times out on the first attempt, this will retry until a response
|
|
// is recieved.
|
|
len = 0;
|
|
while(!len) {
|
|
len = DesfireAPDU(cmd,26,resp);
|
|
}
|
|
}
|
|
}
|
|
*/
|
|
|
|
OnSuccess();
|
|
if (arg1 == 2)
|
|
reply_old(CMD_ACK, 1, 0, 0, skey->data, 16);
|
|
else if (arg1 == 1)
|
|
reply_old(CMD_ACK, 1, 0, 0, skey->data, 8);
|
|
} else {
|
|
DbpString("Authentication failed.");
|
|
OnError(6);
|
|
return;
|
|
}
|
|
}
|
|
break;
|
|
case 2:
|
|
//SendDesfireCommand(AUTHENTICATE_ISO, &arg2, resp);
|
|
break;
|
|
case 3: {
|
|
|
|
//defaultkey
|
|
uint8_t keybytes[16] = {0x00};
|
|
if (datain[1] == 0xff) {
|
|
memcpy(keybytes, PICC_MASTER_KEY16, 16);
|
|
} else {
|
|
memcpy(keybytes, datain + 1, datalen);
|
|
}
|
|
|
|
struct desfire_key defaultkey = {0x00};
|
|
desfirekey_t key = &defaultkey;
|
|
Desfire_aes_key_new(keybytes, key);
|
|
|
|
AesCtx ctx;
|
|
uint8_t IV[16] = {0x00};
|
|
if (AesCtxIni(&ctx, IV, key->data, KEY128, CBC) < 0) {
|
|
if (DBGLEVEL >= 4) {
|
|
DbpString("AES context failed to init");
|
|
}
|
|
OnError(7);
|
|
return;
|
|
}
|
|
|
|
cmd[0] = AUTHENTICATE_AES;
|
|
cmd[1] = 0x00; //keynumber
|
|
len = DesfireAPDU(cmd, 2, resp);
|
|
if (!len) {
|
|
if (DBGLEVEL >= DBG_ERROR) {
|
|
DbpString("Authentication failed. Card timeout.");
|
|
}
|
|
OnError(3);
|
|
return;
|
|
}
|
|
|
|
memcpy(encRndB, resp + 3, 16);
|
|
|
|
// dekryptera tagnonce.
|
|
AesDecrypt(&ctx, encRndB, decRndB, 16);
|
|
rol(decRndB, 16);
|
|
uint8_t nonce[16] = {0x00};
|
|
memcpy(both, nonce, 16);
|
|
memcpy(both + 16, decRndB, 16);
|
|
uint8_t encBoth[32] = {0x00};
|
|
AesEncrypt(&ctx, both, encBoth, 32);
|
|
|
|
cmd[0] = ADDITIONAL_FRAME;
|
|
memcpy(cmd + 1, encBoth, 32);
|
|
|
|
len = DesfireAPDU(cmd, 33, resp); // 1 + 32 == 33
|
|
if (!len) {
|
|
if (DBGLEVEL >= DBG_ERROR) {
|
|
DbpString("Authentication failed. Card timeout.");
|
|
}
|
|
OnError(3);
|
|
return;
|
|
}
|
|
|
|
if (resp[2] == 0x00) {
|
|
// Create AES Session key
|
|
struct desfire_key sessionKey = {0};
|
|
desfirekey_t skey = &sessionKey;
|
|
Desfire_session_key_new(nonce, decRndB, key, skey);
|
|
print_result("SESSION : ", skey->data, 16);
|
|
} else {
|
|
DbpString("Authentication failed.");
|
|
OnError(7);
|
|
return;
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
OnSuccess();
|
|
reply_old(CMD_ACK, 1, len, 0, resp, len);
|
|
}
|
|
|
|
// 3 different ISO ways to send data to a DESFIRE (direct, capsuled, capsuled ISO)
|
|
// cmd = cmd bytes to send
|
|
// cmd_len = length of cmd
|
|
// dataout = pointer to response data array
|
|
int DesfireAPDU(uint8_t *cmd, size_t cmd_len, uint8_t *dataout) {
|
|
|
|
size_t len = 0;
|
|
size_t wrappedLen = 0;
|
|
uint8_t wCmd[PM3_CMD_DATA_SIZE] = {0x00};
|
|
uint8_t resp[MAX_FRAME_SIZE];
|
|
uint8_t par[MAX_PARITY_SIZE];
|
|
|
|
wrappedLen = CreateAPDU(cmd, cmd_len, wCmd);
|
|
|
|
if (DBGLEVEL >= 4)
|
|
print_result("WCMD <--: ", wCmd, wrappedLen);
|
|
|
|
ReaderTransmit(wCmd, wrappedLen, NULL);
|
|
|
|
len = ReaderReceive(resp, par);
|
|
if (!len) {
|
|
if (DBGLEVEL >= 4) Dbprintf("fukked");
|
|
return false; //DATA LINK ERROR
|
|
}
|
|
// if we received an I- or R(ACK)-Block with a block number equal to the
|
|
// current block number, toggle the current block number
|
|
else if (len >= 4 // PCB+CID+CRC = 4 bytes
|
|
&& ((resp[0] & 0xC0) == 0 // I-Block
|
|
|| (resp[0] & 0xD0) == 0x80) // R-Block with ACK bit set to 0
|
|
&& (resp[0] & 0x01) == pcb_blocknum) { // equal block numbers
|
|
pcb_blocknum ^= 1; //toggle next block
|
|
}
|
|
|
|
memcpy(dataout, resp, len);
|
|
return len;
|
|
}
|
|
|
|
// CreateAPDU
|
|
size_t CreateAPDU(uint8_t *datain, size_t len, uint8_t *dataout) {
|
|
|
|
size_t cmdlen = MIN(len + 4, PM3_CMD_DATA_SIZE - 1);
|
|
|
|
uint8_t cmd[cmdlen];
|
|
memset(cmd, 0, cmdlen);
|
|
|
|
cmd[0] = 0x0A; // 0x0A = send cid, 0x02 = no cid.
|
|
cmd[0] |= pcb_blocknum; // OR the block number into the PCB
|
|
cmd[1] = 0x00; // CID: 0x00 //TODO: allow multiple selected cards
|
|
|
|
memcpy(cmd + 2, datain, len);
|
|
AddCrc14A(cmd, len + 2);
|
|
|
|
memcpy(dataout, cmd, cmdlen);
|
|
|
|
return cmdlen;
|
|
}
|
|
|
|
// crc_update(&desfire_crc32, 0, 1); /* CMD_WRITE */
|
|
// crc_update(&desfire_crc32, addr, addr_sz);
|
|
// crc_update(&desfire_crc32, byte, 8);
|
|
// uint32_t crc = crc_finish(&desfire_crc32);
|
|
|
|
void OnSuccess() {
|
|
pcb_blocknum = 0;
|
|
ReaderTransmit(deselect_cmd, 3, NULL);
|
|
mifare_ultra_halt();
|
|
switch_off();
|
|
}
|
|
|
|
void OnError(uint8_t reason) {
|
|
reply_old(CMD_ACK, 0, reason, 0, 0, 0);
|
|
OnSuccess();
|
|
}
|