#include "mifaredesfire.h"
+#include "des.h"
#define MAX_APPLICATION_COUNT 28
#define MAX_FILE_COUNT 16
byte_t cardbuf[USB_CMD_DATA_SIZE];
memset(cardbuf,0,sizeof(cardbuf));
+ iso14a_card_select_t *card = (iso14a_card_select_t*)cardbuf;
iso14a_set_tracing(TRUE);
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
- iso14a_card_select_t *card = (iso14a_card_select_t*)cardbuf;
int len = iso14443a_select_card(NULL,card,NULL);
if (!len) {
- if (MF_DBGLEVEL >= 1) {
- Dbprintf("Can't select card");
- }
+ if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
OnError();
return false;
}
}
int len = DesfireAPDU(datain, datalen, resp);
- if (MF_DBGLEVEL >= 4) {
- print_result("ERR <--: ", resp, len);
- }
+ if (MF_DBGLEVEL >= 4) {
+ print_result("ERR <--: ", resp, len);
+ }
if ( !len ) {
OnError();
// card select - information
iso14a_card_select_t *card = (iso14a_card_select_t*)cardbuf;
byte_t isOK = iso14443a_select_card(NULL, card, NULL);
- if (isOK != 1) {
+ if ( isOK == 0) {
if (MF_DBGLEVEL >= 1) {
Dbprintf("Can't select card");
}
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_data8[8] = {0x00};
+ uint8_t null_key_data8[8] = {0x00};
//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};
// des, nyckel 0,
switch (mode){
- case 1:
- // if ( SendDesfireCommand(AUTHENTICATE, &keyno, resp) > 0 ){
- // // fick nonce från kortet
- // }
+ case 1:{
+ if (algo == 1) {
+
+ uint8_t keybytes[8];
+ uint8_t RndA[8] = {0x00};
+ uint8_t RndB[8] = {0x00};
+
+ if (datain[1] == 0xff){
+ memcpy(keybytes,null_key_data8,8);
+ } else{
+ memcpy(keybytes, datain+1, datalen);
+ }
+
+ struct desfire_key defaultkey = {0};
+ desfirekey_t key = &defaultkey;
+ Desfire_des_key_new(keybytes, key);
+
+ cmd[0] = AUTHENTICATE;
+ cmd[1] = keyno; //keynumber
+ len = DesfireAPDU(cmd, 2, resp);
+ if ( !len ) {
+ if (MF_DBGLEVEL >= 1) {
+ DbpString("Authentication failed. Card timeout.");
+ }
+ OnError();
+ return;
+ }
+
+ if ( resp[2] == 0xaf ){
+ } else {
+ DbpString("Authetication failed. Invalid key number.");
+ OnError();
+ return;
+ }
+
+ memcpy( encRndB, resp+3, 8);
+
+ 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};
+
+ des_dec(&encRndA, &decRndA, key->data);
+
+ memcpy(both, encRndA, 8);
+
+ for (int x = 0; x < 8; x++) {
+ decRndB[x] = decRndB[x] ^ encRndA[x];
+
+ }
+
+ 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 (MF_DBGLEVEL >= 1) {
+ DbpString("Authentication failed. Card timeout.");
+ }
+ OnError();
+ 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);
+ des_dec(&encRndA, &encRndA, key->data);
+ rol(decRndA,8);
+ for (int x = 0; x < 8; x++) {
+ if (decRndA[x] != encRndA[x]) {
+ DbpString("Authetication failed. Cannot varify PICC.");
+ OnError();
+ return;
+ }
+ }
+
+ //Change the selected key to a new value.
+ /*
+
+ cmd[0] = CHANGE_KEY;
+ cmd[1] = keyno;
+
+ 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);
+
+ ComputeCrc14443(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();
+ cmd_send(CMD_ACK,1,0,0,skey->data,8);
+
+ } else {
+ DbpString("Authetication failed.");
+ OnError();
+ return;
+ }
+
+ }
+ }
break;
case 2:
//SendDesfireCommand(AUTHENTICATE_ISO, &keyno, resp);
// dataout = pointer to response data array
int DesfireAPDU(uint8_t *cmd, size_t cmd_len, uint8_t *dataout){
- uint32_t status = 0;
+ size_t len = 0;
size_t wrappedLen = 0;
uint8_t wCmd[USB_CMD_DATA_SIZE] = {0};
}
ReaderTransmit( wCmd, wrappedLen, NULL);
- status = ReaderReceive(resp, resp_par);
+ len = ReaderReceive(resp, resp_par);
- if( status == 0x00){
+ if( len == 0x00 ){
if (MF_DBGLEVEL >= 4) {
Dbprintf("fukked");
}
}
// 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 (status >= 4 // PCB+CID+CRC = 4 bytes
+ 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
}
- // copy response to
- dataout = resp;
- return status;
+
+ memcpy(dataout, resp, len);
+ return len;
}
// CreateAPDU
cmd[0] = 0x0A; // 0x0A = skicka cid, 0x02 = ingen cid. Särskilda bitar //
cmd[0] |= pcb_blocknum; // OR the block number into the PCB
- cmd[1] = 0x00; // CID: 0x00 //FIXME: allow multiple selected cards
+ cmd[1] = 0x00; // CID: 0x00 //TODO: allow multiple selected cards
memcpy(cmd+2, datain, len);
AppendCrc14443a(cmd, len+2);
projects / proxmark3-svn / blobdiff