ADD: @VERTCraig's AVID commands.
TEST: testing some changes to iso14443 demod.
All notable changes to this project will be documented in this file.
This project uses the changelog in accordance with [keepchangelog](http://keepachangelog.com/). Please use this to write notable changes, which is not the same as git commit log...
-## [Unreleased][unreleased]
+## [unreleased][unreleased]
+
+### Added
+- AWID26 command context added as 'lf awid' containing realtime demodulation as well as cloning/simulation based on tag numbers (Craig Young)
### Changed
- Changed lf config's `threshold` to a graph (signed) metric and it will trigger on + or - value set to. (example: set to 50 and recording would begin at first graphed value of >= 50 or <= -50) (marshmellow)
+- EPA functions (`hf epa`) now support both ISO 14443-A and 14443-B cards (frederikmoellers)
+
+## [2.2.0][2015-07-12]
+
- Changed `hf 14b write` to `hf 14b sriwrite` as it only applied to sri tags (marshmellow)
- Added `hf 14b reader` to `hf search` (marshmellow)
+- Added compression of fpga config and data, *BOOTROM REFLASH REQUIRED* (piwi)
+- Implemented better detection of mifare-tags that are not vulnerable to classic attacks (`hf mf mifare`, `hf mf nested`) (piwi)
+
### Added
- Add `hf 14b reader` to find and print general info about known 14b tags (marshmellow)
case CMD_EM4X_WRITE_WORD:
EM4xWriteWord(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes[0]);
break;
+ case CMD_AWID_DEMOD_FSK: // Set realtime AWID demodulation
+ CmdAWIDdemodFSK(c->arg[0], 0, 0, 1);
+ break;
#endif
#ifdef WITH_HITAG
#include "../common/lfdemod.h"
#include "BigBuf.h"
#include "fpgaloader.h"
-#include "../include/hitag2.h"
-#include "../include/mifare.h"
+#include "hitag2.h"
+#include "mifare.h"
//#include "des.h"
//#include "aes.h"
#include "desfire.h"
void CmdASKsimTag(uint16_t arg1, uint16_t arg2, size_t size, uint8_t *BitStream);
void CmdPSKsimTag(uint16_t arg1, uint16_t arg2, size_t size, uint8_t *BitStream);
void CmdHIDdemodFSK(int findone, int *high, int *low, int ledcontrol);
+void CmdAWIDdemodFSK(int findone, int *high, int *low, int ledcontrol); // Realtime demodulation mode for AWID26
void CmdEM410xdemod(int findone, int *high, int *low, int ledcontrol);
void CmdIOdemodFSK(int findone, int *high, int *low, int ledcontrol);
void CopyIOtoT55x7(uint32_t hi, uint32_t lo, uint8_t longFMT); // Clone an ioProx card to T5557/T5567
#include "apps.h"
#include "util.h"
#include "string.h"
-
#include "iso14443crc.h"
-
-#define RECEIVE_SAMPLES_TIMEOUT 0x0004FFFF
+#include "common.h"
+#define RECEIVE_SAMPLES_TIMEOUT 800000
#define ISO14443B_DMA_BUFFER_SIZE 256
-uint8_t PowerOn = TRUE;
+
// PCB Block number for APDUs
static uint8_t pcb_blocknum = 0;
ToSendStuffBit(0);
ToSendStuffBit(0);
}
- for(i = 0; i < 2; i++) {
+ for(i = 0; i < 10; i++) {
ToSendStuffBit(1);
ToSendStuffBit(1);
ToSendStuffBit(1);
Uart.state = STATE_UNSYNCD;
Uart.byteCnt = 0;
Uart.bitCnt = 0;
+ Uart.posCnt = 0;
memset(Uart.output, 0x00, MAX_FRAME_SIZE);
}
static RAMFUNC int Handle14443bSamplesDemod(int ci, int cq)
{
int v;
+ int ai, aq;
// The soft decision on the bit uses an estimate of just the
// quadrant of the reference angle, not the exact angle.
#define MAKE_SOFT_DECISION() { \
- if(Demod.sumI > 0) { \
- v = ci; \
- } else { \
- v = -ci; \
- } \
+ v = (Demod.sumI > 0) ? ci : -ci;\
if(Demod.sumQ > 0) { \
v += cq; \
} else { \
} \
}
*/
+
// Subcarrier amplitude v = sqrt(ci^2 + cq^2), approximated here by max(abs(ci),abs(cq)) + 1/2*min(abs(ci),abs(cq)))
#define CHECK_FOR_SUBCARRIER() { \
- if(ci < 0) { \
- if(cq < 0) { /* ci < 0, cq < 0 */ \
- if (cq < ci) { \
- v = -cq - (ci >> 1); \
- } else { \
- v = -ci - (cq >> 1); \
- } \
- } else { /* ci < 0, cq >= 0 */ \
- if (cq < -ci) { \
- v = -ci + (cq >> 1); \
- } else { \
- v = cq - (ci >> 1); \
- } \
- } \
- } else { \
- if(cq < 0) { /* ci >= 0, cq < 0 */ \
- if (-cq < ci) { \
- v = ci - (cq >> 1); \
- } else { \
- v = -cq + (ci >> 1); \
- } \
- } else { /* ci >= 0, cq >= 0 */ \
- if (cq < ci) { \
- v = ci + (cq >> 1); \
- } else { \
- v = cq + (ci >> 1); \
- } \
- } \
- } \
- }
-
+ ai = (abs(ci) >> 1); \
+ aq = (abs(cq) >> 1); \
+ v = MAX(abs(ci), abs(cq)) + MIN(ai, aq); \
+}
+
+
switch(Demod.state) {
case DEMOD_UNSYNCD:
CHECK_FOR_SUBCARRIER();
case DEMOD_AWAITING_FALLING_EDGE_OF_SOF:
MAKE_SOFT_DECISION();
+ //Dbprintf("ICE: %d %d %d %d %d", v, Demod.sumI, Demod.sumQ, ci, cq );
if(v < 0) { // logic '0' detected
Demod.state = DEMOD_GOT_FALLING_EDGE_OF_SOF;
Demod.posCount = 0; // start of SOF sequence
} else {
- //if(Demod.posCount > 200/4) { // maximum length of TR1 = 200 1/fs
if(Demod.posCount > 25*2) { // maximum length of TR1 = 200 1/fs
Demod.state = DEMOD_UNSYNCD;
}
Demod.len = 0;
Demod.state = DEMOD_UNSYNCD;
Demod.posCount = 0;
+ Demod.sumI = 0;
+ Demod.sumQ = 0;
+ Demod.bitCount = 0;
+ Demod.thisBit = 0;
+ Demod.shiftReg = 0;
memset(Demod.output, 0x00, MAX_FRAME_SIZE);
}
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR | FPGA_HF_READER_RX_XCORR_848_KHZ);
// The response (tag -> reader) that we're receiving.
- uint8_t *resp = BigBuf_malloc(MAX_FRAME_SIZE);
-
// Set up the demodulator for tag -> reader responses.
- DemodInit(resp);
+ DemodInit(BigBuf_malloc(MAX_FRAME_SIZE));
// The DMA buffer, used to stream samples from the FPGA
int8_t *dmaBuf = (int8_t*) BigBuf_malloc(ISO14443B_DMA_BUFFER_SIZE);
-
+ // Setup and start DMA.
+ FpgaSetupSscDma((uint8_t*) dmaBuf, ISO14443B_DMA_BUFFER_SIZE);
+
int8_t *upTo = dmaBuf;
lastRxCounter = ISO14443B_DMA_BUFFER_SIZE;
// Signal field is ON with the appropriate LED:
LED_D_ON();
-
- // Setup and start DMA.
- FpgaSetupSscDma((uint8_t*) dmaBuf, ISO14443B_DMA_BUFFER_SIZE);
-
-
for(;;) {
int behindBy = lastRxCounter - AT91C_BASE_PDC_SSC->PDC_RCR;
if(behindBy > max) max = behindBy;
samples += 2;
- if(Handle14443bSamplesDemod(ci | 0x01 , cq | 0x01)) {
- gotFrame = TRUE;
+ //
+ gotFrame = Handle14443bSamplesDemod(ci , cq );
+ if ( gotFrame )
break;
}
- }
if(samples > n || gotFrame) {
break;
int c;
FpgaSetupSsc();
-
- // Start the timer
- StartCountSspClk();
while(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) {
AT91C_BASE_SSC->SSC_THR = 0xff;
// Signal we are transmitting with the Green LED
LED_B_ON();
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_TX | FPGA_HF_READER_TX_SHALLOW_MOD);
- if ( !PowerOn )
- SpinDelay(200);
for(c = 0; c < 10;) {
if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) {
ToSendReset();
// Establish initial reference level
- for(i = 0; i < 80; i++) {
+ for(i = 0; i < 40; i++) {
ToSendStuffBit(1);
}
// Send SOF
// Set up ISO 14443 Type B communication (similar to iso14443a_setup)
void iso14443b_setup() {
+
FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
+
BigBuf_free();
// Set up the synchronous serial port
FpgaSetupSsc();
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_TX | FPGA_HF_READER_TX_SHALLOW_MOD);
// Start the timer
- StartCountSspClk();
+ //StartCountSspClk();
DemodReset();
UartReset();
void SendRawCommand14443B(uint32_t datalen, uint32_t recv, uint8_t powerfield, uint8_t data[])
{
iso14443b_setup();
- FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
- BigBuf_free();
- if ( !PowerOn ){
- FpgaSetupSsc();
- }
- SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
-
- // Start the timer
- StartCountSspClk();
-
- DemodReset();
- UartReset();
if ( datalen == 0 && recv == 0 && powerfield == 0){
- clear_trace();
- } else {
+
+ } else {
set_tracing(TRUE);
CodeAndTransmit14443bAsReader(data, datalen);
}
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
FpgaDisableSscDma();
LED_D_OFF();
- PowerOn = 0;
}
}
if (ledcontrol) LED_A_OFF();
}
+// loop to get raw HID waveform then FSK demodulate the TAG ID from it
+void CmdAWIDdemodFSK(int findone, int *high, int *low, int ledcontrol)
+{
+ uint8_t *dest = BigBuf_get_addr();
+ //const size_t sizeOfBigBuff = BigBuf_max_traceLen();
+ size_t size;
+ int idx=0;
+ // Configure to go in 125Khz listen mode
+ LFSetupFPGAForADC(95, true);
+
+ while(!BUTTON_PRESS()) {
+
+ WDT_HIT();
+ if (ledcontrol) LED_A_ON();
+
+ DoAcquisition_default(-1,true);
+ // FSK demodulator
+ //size = sizeOfBigBuff; //variable size will change after demod so re initialize it before use
+ size = 50*128*2; //big enough to catch 2 sequences of largest format
+ idx = AWIDdemodFSK(dest, &size);
+
+ if (idx>0 && size==96){
+ // Index map
+ // 0 10 20 30 40 50 60
+ // | | | | | | |
+ // 01234567 890 1 234 5 678 9 012 3 456 7 890 1 234 5 678 9 012 3 456 7 890 1 234 5 678 9 012 3 - to 96
+ // -----------------------------------------------------------------------------
+ // 00000001 000 1 110 1 101 1 011 1 101 1 010 0 000 1 000 1 010 0 001 0 110 1 100 0 000 1 000 1
+ // premable bbb o bbb o bbw o fff o fff o ffc o ccc o ccc o ccc o ccc o ccc o wxx o xxx o xxx o - to 96
+ // |---26 bit---| |-----117----||-------------142-------------|
+ // b = format bit len, o = odd parity of last 3 bits
+ // f = facility code, c = card number
+ // w = wiegand parity
+ // (26 bit format shown)
+
+ //get raw ID before removing parities
+ uint32_t rawLo = bytebits_to_byte(dest+idx+64,32);
+ uint32_t rawHi = bytebits_to_byte(dest+idx+32,32);
+ uint32_t rawHi2 = bytebits_to_byte(dest+idx,32);
+
+ size = removeParity(dest, idx+8, 4, 1, 88);
+ // ok valid card found!
+
+ // Index map
+ // 0 10 20 30 40 50 60
+ // | | | | | | |
+ // 01234567 8 90123456 7890123456789012 3 456789012345678901234567890123456
+ // -----------------------------------------------------------------------------
+ // 00011010 1 01110101 0000000010001110 1 000000000000000000000000000000000
+ // bbbbbbbb w ffffffff cccccccccccccccc w xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+ // |26 bit| |-117--| |-----142------|
+ // b = format bit len, o = odd parity of last 3 bits
+ // f = facility code, c = card number
+ // w = wiegand parity
+ // (26 bit format shown)
+
+ uint32_t fc = 0;
+ uint32_t cardnum = 0;
+ uint32_t code1 = 0;
+ uint32_t code2 = 0;
+ uint8_t fmtLen = bytebits_to_byte(dest,8);
+ if (fmtLen==26){
+ fc = bytebits_to_byte(dest+9, 8);
+ cardnum = bytebits_to_byte(dest+17, 16);
+ code1 = bytebits_to_byte(dest+8,fmtLen);
+ Dbprintf("AWID Found - BitLength: %d, FC: %d, Card: %d - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, fc, cardnum, code1, rawHi2, rawHi, rawLo);
+ } else {
+ cardnum = bytebits_to_byte(dest+8+(fmtLen-17), 16);
+ if (fmtLen>32){
+ code1 = bytebits_to_byte(dest+8,fmtLen-32);
+ code2 = bytebits_to_byte(dest+8+(fmtLen-32),32);
+ Dbprintf("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x%08x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, code2, rawHi2, rawHi, rawLo);
+ } else{
+ code1 = bytebits_to_byte(dest+8,fmtLen);
+ Dbprintf("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, rawHi2, rawHi, rawLo);
+ }
+ }
+ if (findone){
+ if (ledcontrol) LED_A_OFF();
+ return;
+ }
+ // reset
+ }
+ idx = 0;
+ WDT_HIT();
+ }
+ DbpString("Stopped");
+ if (ledcontrol) LED_A_OFF();
+}
+
void CmdEM410xdemod(int findone, int *high, int *low, int ledcontrol)
{
uint8_t *dest = BigBuf_get_addr();
cmdlf.c \
cmdlfio.c \
cmdlfhid.c \
+ cmdlfawid.c \
cmdlfem4x.c \
cmdlfhitag.c \
cmdlfti.c \
void annotateIso7816(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize){
- int pos = (cmd[0] == 2 || cmd[0] == 3) ? 1 : 2;
+ int pos = (cmd[0] == 2 || cmd[0] == 3) ? 2 : 3;
switch ( cmd[pos] ){
case ISO7816_READ_BINARY :snprintf(exp, size, "READ BIN");break;
#include "util.h"
#include "cmdlf.h"
#include "cmdlfhid.h"
+#include "cmdlfawid.h"
#include "cmdlfti.h"
#include "cmdlfem4x.h"
#include "cmdlfhitag.h"
{
{"help", CmdHelp, 1, "This help"},
{"em4x", CmdLFEM4X, 1, "{ EM4X RFIDs... }"},
+ {"awid", CmdLFAWID, 1, "{ AWID RFIDs... }"},
{"hid", CmdLFHID, 1, "{ HID RFIDs... }"},
{"hitag", CmdLFHitag, 1, "{ HITAG RFIDs... }"},
{"io", CmdLFIO, 1, "{ IOPROX RFIDs... }"},
--- /dev/null
+//-----------------------------------------------------------------------------
+// Authored by Craig Young <cyoung@tripwire.com> based on cmdlfhid.c structure
+//
+// cmdlfhid.c is Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
+//
+// 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 AWID26 commands
+//-----------------------------------------------------------------------------
+
+#include <stdio.h> // sscanf
+#include "proxmark3.h" // Definitions, USB controls, etc
+#include "ui.h" // PrintAndLog
+#include "cmdparser.h" // CmdsParse, CmdsHelp
+#include "cmdlfawid.h" // AWID function declarations
+#include "lfdemod.h" // parityTest
+
+static int CmdHelp(const char *Cmd);
+
+
+int usage_lf_awid_fskdemod(void) {
+ PrintAndLog("Enables AWID26 compatible reader mode printing details of scanned AWID26 tags.");
+ PrintAndLog("By default, values are printed and logged until the button is pressed or another USB command is issued.");
+ PrintAndLog("If the ['1'] option is provided, reader mode is exited after reading a single AWID26 card.");
+ PrintAndLog("");
+ PrintAndLog("Usage: lf awid fskdemod ['1']");
+ PrintAndLog(" Options : ");
+ PrintAndLog(" 1 : (optional) stop after reading a single card");
+ PrintAndLog("");
+ PrintAndLog(" sample : lf awid fskdemod");
+ PrintAndLog(" : lf awid fskdemod 1");
+ return 0;
+}
+
+int usage_lf_awid_sim(void) {
+ PrintAndLog("Enables simulation of AWID26 card with specified facility-code and card number.");
+ PrintAndLog("Simulation runs until the button is pressed or another USB command is issued.");
+ PrintAndLog("Per AWID26 format, the facility-code is 8-bit and the card number is 16-bit. Larger values are truncated.");
+ PrintAndLog("");
+ PrintAndLog("Usage: lf awid sim <Facility-Code> <Card-Number>");
+ PrintAndLog(" Options : ");
+ PrintAndLog(" <Facility-Code> : 8-bit value representing the AWID facility code");
+ PrintAndLog(" <Card Number> : 16-bit value representing the AWID card number");
+ PrintAndLog("");
+ PrintAndLog(" sample : lf awid sim 224 1337");
+ return 0;
+}
+
+int usage_lf_awid_clone(void) {
+ PrintAndLog("Enables cloning of AWID26 card with specified facility-code and card number onto T55x7.");
+ PrintAndLog("The T55x7 must be on the antenna when issuing this command. T55x7 blocks are calculated and printed in the process.");
+ PrintAndLog("Per AWID26 format, the facility-code is 8-bit and the card number is 16-bit. Larger values are truncated.");
+ PrintAndLog("");
+ PrintAndLog("Usage: lf awid clone <Facility-Code> <Card-Number>");
+ PrintAndLog(" Options : ");
+ PrintAndLog(" <Facility-Code> : 8-bit value representing the AWID facility code");
+ PrintAndLog(" <Card Number> : 16-bit value representing the AWID card number");
+ PrintAndLog("");
+ PrintAndLog(" sample : lf awid clone 224 1337");
+ return 0;
+}
+
+int CmdAWIDDemodFSK(const char *Cmd)
+{
+ int findone=0;
+ if(Cmd[0]=='1') findone=1;
+ if (Cmd[0]=='h' || Cmd[0] == 'H') return usage_lf_awid_fskdemod();
+ UsbCommand c={CMD_AWID_DEMOD_FSK};
+ c.arg[0]=findone;
+ SendCommand(&c);
+ return 0;
+}
+
+int getAWIDBits(unsigned int fc, unsigned int cn, uint8_t *AWIDBits)
+{
+ int i;
+ uint32_t fcode=(fc & 0x000000FF), cnum=(cn & 0x0000FFFF), uBits=0;
+ if (fcode != fc)
+ PrintAndLog("NOTE: Facility code truncated for AWID26 format (8-bit facility code)");
+ if (cnum!=cn)
+ PrintAndLog("NOTE: Card number was truncated for AWID26 format (16-bit card number)");
+
+ AWIDBits[0] = 0x01; // 6-bit Preamble with 2 parity bits
+ AWIDBits[1] = 0x1D; // First byte from card format (26-bit) plus parity bits
+ AWIDBits[2] = 0x80; // Set the next two bits as 0b10 to finish card format
+ uBits = (fcode<<4) + (cnum>>12);
+ if (!parityTest(uBits,12,0))
+ AWIDBits[2] |= (1<<5); // If not already even parity, set bit to make even
+ uBits = AWIDBits[2]>>5;
+ if (!parityTest(uBits, 3, 1))
+ AWIDBits[2] |= (1<<4);
+ uBits = fcode>>5; // first 3 bits of facility-code
+ AWIDBits[2] += (uBits<<1);
+ if (!parityTest(uBits, 3, 1))
+ AWIDBits[2]++; // Set parity bit to make odd parity
+ uBits = (fcode & 0x1C)>>2;
+ AWIDBits[3] = 0;
+ if (!parityTest(uBits,3,1))
+ AWIDBits[3] |= (1<<4);
+ AWIDBits[3] += (uBits<<5);
+ uBits = ((fcode & 0x3)<<1) + ((cnum & 0x8000)>>15); // Grab/shift 2 LSBs from facility code and add shifted MSB from cardnum
+ if (!parityTest(uBits,3,1))
+ AWIDBits[3]++; // Set LSB for parity
+ AWIDBits[3]+= (uBits<<1);
+ uBits = (cnum & 0x7000)>>12;
+ AWIDBits[4] = uBits<<5;
+ if (!parityTest(uBits,3,1))
+ AWIDBits[4] |= (1<<4);
+ uBits = (cnum & 0x0E00)>>9;
+ AWIDBits[4] += (uBits<<1);
+ if (!parityTest(uBits,3,1))
+ AWIDBits[4]++; // Set LSB for parity
+ uBits = (cnum & 0x1C0)>>6; // Next bits from card number
+ AWIDBits[5]=(uBits<<5);
+ if (!parityTest(uBits,3,1))
+ AWIDBits[5] |= (1<<4); // Set odd parity bit as needed
+ uBits = (cnum & 0x38)>>3;
+ AWIDBits[5]+= (uBits<<1);
+ if (!parityTest(uBits,3,1))
+ AWIDBits[5]++; // Set odd parity bit as needed
+ uBits = (cnum & 0x7); // Last three bits from card number!
+ AWIDBits[6] = (uBits<<5);
+ if (!parityTest(uBits,3,1))
+ AWIDBits[6] |= (1<<4);
+ uBits = (cnum & 0x0FFF);
+ if (!parityTest(uBits,12,1))
+ AWIDBits[6] |= (1<<3);
+ else
+ AWIDBits[6]++;
+ for (i = 7; i<12; i++)
+ AWIDBits[i]=0x11;
+ return 1;
+}
+
+int CmdAWIDSim(const char *Cmd)
+{
+ uint32_t fcode = 0, cnum = 0, fc=0, cn=0, i=0;
+ uint8_t *BS, BitStream[12];
+ uint64_t arg1 = (10<<8) + 8; // fcHigh = 10, fcLow = 8
+ uint64_t arg2 = 50; // clk RF/50 invert=0
+ BS = BitStream;
+ if (sscanf(Cmd, "%u %u", &fc, &cn ) != 2) {
+ return usage_lf_awid_sim();
+ }
+
+ fcode=(fc & 0x000000FF);
+ cnum=(cn & 0x0000FFFF);
+ if (fc!=fcode)
+ PrintAndLog("Facility-Code (%u) truncated to 8-bits: %u",fc,fcode);
+ if (cn!=cnum)
+ PrintAndLog("Card number (%u) truncated to 16-bits: %u",cn,cnum);
+ PrintAndLog("Emulating AWID26 -- FC: %u; CN: %u\n",fcode,cnum);
+ PrintAndLog("Press pm3-button to abort simulation or run another command");
+ // AWID uses: fcHigh: 10, fcLow: 8, clk: 50, invert: 0
+ if (getAWIDBits(fc, cn, BS)) {
+ PrintAndLog("Running 'lf simfsk c 50 H 10 L 8 d %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x'",
+ BS[0],BS[1],BS[2],BS[3],BS[4],BS[5],BS[6],
+ BS[7],BS[8],BS[9],BS[10],BS[11]);
+ } else
+ PrintAndLog("Error with tag bitstream generation.");
+ UsbCommand c;
+ c.cmd = CMD_FSK_SIM_TAG;
+ c.arg[0] = arg1; // fcHigh<<8 + fcLow
+ c.arg[1] = arg2; // Inversion and clk setting
+ c.arg[2] = 96; // Bitstream length: 96-bits == 12 bytes
+ for (i=0; i < 96; i++)
+ c.d.asBytes[i] = (BS[i/8] & (1<<(7-(i%8))))?1:0;
+ SendCommand(&c);
+ return 0;
+}
+
+int CmdAWIDClone(const char *Cmd)
+{
+ uint32_t fc=0,cn=0,blocks[4] = {0x00107060, 0, 0, 0x11111111}, i=0;
+ uint8_t BitStream[12];
+ uint8_t *BS=BitStream;
+ UsbCommand c;
+
+
+ if (sscanf(Cmd, "%u %u", &fc, &cn ) != 2) {
+ return usage_lf_awid_clone();
+ }
+
+ if ((fc & 0xFF) != fc) {
+ fc &= 0xFF;
+ PrintAndLog("Facility-Code Truncated to 8-bits (AWID26): %u", fc);
+ }
+ if ((cn & 0xFFFF) != cn) {
+ cn &= 0xFFFF;
+ PrintAndLog("Card Number Truncated to 16-bits (AWID26): %u", cn);
+ }
+ if (getAWIDBits(fc,cn,BS)) {
+ PrintAndLog("Preparing to clone AWID26 to T55x7 with FC: %u, CN: %u (Raw: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x)",
+ fc,cn, BS[0],BS[1],BS[2],BS[3],BS[4],BS[5],BS[6],BS[7],BS[8],BS[9],BS[10],BS[11]);
+ blocks[1] = (BS[0]<<24) + (BS[1]<<16) + (BS[2]<<8) + (BS[3]);
+ blocks[2] = (BS[4]<<24) + (BS[5]<<16) + (BS[6]<<8) + (BS[7]);
+ PrintAndLog("Block 0: 0x%08x", blocks[0]);
+ PrintAndLog("Block 1: 0x%08x", blocks[1]);
+ PrintAndLog("Block 2: 0x%08x", blocks[2]);
+ PrintAndLog("Block 3: 0x%08x", blocks[3]);
+ for (i=0; i<4; i++) {
+ c.cmd = CMD_T55XX_WRITE_BLOCK;
+ c.arg[0] = blocks[i];
+ c.arg[1] = i;
+ c.arg[2] = 0;
+ SendCommand(&c);
+ }
+ }
+ return 0;
+}
+
+static command_t CommandTable[] =
+{
+ {"help", CmdHelp, 1, "This help"},
+ {"fskdemod", CmdAWIDDemodFSK, 0, "['1'] Realtime AWID FSK demodulator (option '1' for one tag only)"},
+ {"sim", CmdAWIDSim, 0, "<Facility-Code> <Card Number> -- AWID tag simulator"},
+ {"clone", CmdAWIDClone, 0, "<Facility-Code> <Card Number> -- Clone AWID to T55x7 (tag must be in range of antenna)"},
+ {NULL, NULL, 0, NULL}
+};
+
+int CmdLFAWID(const char *Cmd)
+{
+ CmdsParse(CommandTable, Cmd);
+ return 0;
+}
+
+int CmdHelp(const char *Cmd)
+{
+ CmdsHelp(CommandTable);
+ return 0;
+}
--- /dev/null
+//-----------------------------------------------------------------------------
+// Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
+//
+// 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 AWID commands
+//-----------------------------------------------------------------------------
+
+#ifndef CMDLFAWID_H__
+#define CMDLFAWID_H__
+
+int CmdLFAWID(const char *Cmd);
+//int CmdAWIDDemod(const char *Cmd);
+int CmdAWIDDemodFSK(const char *Cmd);
+int CmdAWIDSim(const char *Cmd);
+int CmdAWIDClone(const char *Cmd);
+int getAWIDBits(unsigned int fc, unsigned int cn, uint8_t *AWIDBits);
+int usage_lf_awid_fskdemod(void);
+int usage_lf_awid_clone(void);
+int usage_lf_awid_sim(void);
+
+#endif
+++ /dev/null
-//-----------------------------------------------------------------------------
-//
-// 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 AWID26 commands
-//-----------------------------------------------------------------------------
-
-#include <stdio.h>
-#include <string.h>
-#include <inttypes.h>
-#include <stdbool.h>
-#include "proxmark3.h"
-#include "ui.h"
-//#include "graph.h"
-#include "cmdmain.h"
-#include "cmdparser.h"
-//#include "cmddata.h"
-#include "cmdlf.h"
-#include "cmdlfawid26.h"
-#include "util.h"
-//#include "data.h"
-
-
-static int CmdHelp(const char *Cmd);
-
-int CmdClone(const char *Cmd)
-{
- char cmdp = param_getchar(Cmd, 0);
-
- if (strlen(Cmd) < 1 || cmdp == 'h' || cmdp == 'H') {
- PrintAndLog("Usage: lf awid26 clone <facility> <id>");
- PrintAndLog(" [], ");
- PrintAndLog("");
- PrintAndLog(" sample: lf awid26 clone 15 2233");
- return 0;
- }
-
- //sscanf(Cmd, "%d %d", &facilitycode, &cardno);
-
- // char block0 = "00107060";
- // char block1 = "00107060";
- // char block2 = "00107060";
- // char block3 = "00107060";
-
- unsigned char buf[10] = {0x00};
- unsigned char *resp = buf;
-
-
- awid26_hex_to_uid(resp, "");
- // PrintAndLog("Writing block %d with data %08X", Block, Data);
- return 0;
-}
-
-
-// convert 96 bit AWID FSK data to 8 digit BCD UID
-bool awid26_hex_to_uid(unsigned char *response, char *awid26)
-{
- //uint8_t i, tmp[96], tmp1[7];
- //uint8_t tmp[96] = {0x00};
- //int site;
- //int id;
-
- //if(!hextobinarray(tmp, awid26))
- return false;
-
- // // data is in blocks of 4 bits - every 4th bit is parity, except the first
- // // block which is all zeros
- // for(i= 0 ; i < 4 ; ++i)
- // if(tmp[i] != 0x00)
- // return false;
-
- // // discard 1st block
- // memcpy(tmp, tmp + 4, 92);
-
- // // check and strip parity on the rest
- // for(i= 1 ; i < 23 ; ++i)
- // if(tmp[(i * 4) - 1] != GetParity(tmp + (i - 1) * 4, ODD, 3))
- // return false;
- // else
- // memcpy((tmp + (i - 1) * 3), tmp + (i - 1) * 4, 3);
-
- // // discard the rest of the header - 1 more 3 bit block
- // memcpy(tmp, tmp + 3, 66);
-
- // // next 8 bits is data length - should be 26: 0x1A
- // binarraytohex(tmp1, tmp, 8);
- // if(strcmp(tmp1, "1A") != 0)
- // return false;
- // memcpy(tmp, tmp +8, 58);
-
- // // standard wiegand parity check - even for 1st 12 bits, odd for 2nd 12
- // if(tmp[0] != GetParity(tmp + 1, EVEN, 12))
- // return false;
- // if(tmp[25] != GetParity(tmp + 13, ODD, 12))
- // return false;
-
- // // convert to hex, ignoring parity bits
- // if(!binarraytohex(tmp1, tmp + 1, 24))
- // return false;
-
- // // convert hex to site/id
- // sscanf(tmp1,"%2X%4X", &site, &id);
-
- // // final output 8 byte BCD
- // sprintf(response,"%03d%05d", site, id);
-
- return true;
-}
-
-// convert null-terminated BCD UID (8 digits) to 96 bit awid26 encoded binary array
-bool bcd_to_awid26_bin(unsigned char *awid26, unsigned char *bcd)
-{
- // char i, p, tmp1[8], tmp2[26];
- // int tmpint;
-
- // if(strlen(bcd) != 8)
- // return false;
-
- // // convert BCD site code to HEX
- // sscanf(bcd, "%03d", &tmpint);
- // sprintf(tmp2, "%02x", tmpint);
- // memcpy(tmp1, tmp2, 2);
-
- // // convert BCD ID to HEX
- // sscanf(bcd + 3, "%05d", &tmpint);;
- // sprintf(tmp2, "%04x", tmpint);
-
- // // copy with trailing NULL
- // memcpy(tmp1 + 2, tmp2, 5);
-
- // // convert full HEX to binary, leaving room for parity prefix
- // hextobinarray(tmp2 + 1, tmp1);
-
- // wiegand_add_parity(tmp2, tmp2 + 1, 24);
-
- // memset(awid26, '\x0', 96);
-
- // // magic 18 bit awid26 header (we will overwrite the last two bits)
- // hextobinarray(awid26, "011D8");
-
- // // copy to target leaving space for parity bits
- // for(i= 0, p= 18 ; i < 26 ; ++i, ++p)
- // {
- // // skip target bit if this is a parity location
- // if(!((p + 1) % 4))
- // p += 1;
- // awid26[p]= tmp2[i];
- // }
-
- // // add parity bits
- // for(i= 1 ; i < 24 ; ++i)
- // awid26[((i + 1) * 4) - 1]= GetParity(&awid26[i * 4], ODD, 3);
-
- return false;
-}
-
-// int CmdReadTrace(const char *Cmd)
-// {
-
- // uint8_t bits[LF_BITSSTREAM_LEN] = {0x00};
- // uint8_t * bitstream = bits;
-
- // uint8_t si = 5;
- // uint32_t bl0 = PackBits(si, 32, bitstream);
- // uint32_t bl1 = PackBits(si+32, 32, bitstream);
-
- // uint32_t acl = PackBits(si, 8, bitstream); si += 8;
- // uint32_t mfc = PackBits(si, 8, bitstream); si += 8;
- // uint32_t cid = PackBits(si, 5, bitstream); si += 5;
- // uint32_t icr = PackBits(si, 3, bitstream); si += 3;
- // uint32_t year = PackBits(si, 4, bitstream); si += 4;
- // uint32_t quarter = PackBits(si, 2, bitstream); si += 2;
- // uint32_t lotid = PackBits(si, 12, bitstream); si += 12;
- // uint32_t wafer = PackBits(si, 5, bitstream); si += 5;
- // uint32_t dw = PackBits(si, 15, bitstream);
-
- // PrintAndLog("");
- // PrintAndLog("-- T55xx Trace Information ----------------------------------");
- // PrintAndLog("-------------------------------------------------------------");
- // PrintAndLog(" ACL Allocation class (ISO/IEC 15963-1) : 0x%02X (%d)", acl, acl);
- // PrintAndLog(" MFC Manufacturer ID (ISO/IEC 7816-6) : 0x%02X (%d)", mfc, mfc);
- // PrintAndLog(" CID : 0x%02X (%d)", cid, cid);
- // PrintAndLog(" ICR IC Revision : %d",icr );
-
-
- // return 0;
-// }
-
-static command_t CommandTable[] =
-{
- {"help", CmdHelp, 1, "This help"},
- {"clone", CmdClone, 1, "<facility> <id> -- clone AWID26 to t55xx tag"},
- {NULL, NULL, 0, NULL}
-};
-
-int CmdLFAWID26(const char *Cmd)
-{
- CmdsParse(CommandTable, Cmd);
- return 0;
-}
-
-int CmdHelp(const char *Cmd)
-{
- CmdsHelp(CommandTable);
- return 0;
-}
+++ /dev/null
-//-----------------------------------------------------------------------------
-//
-// 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 AWID 26 commands
-//-----------------------------------------------------------------------------
-
-#ifndef CMDLFAWID26_H__
-#define CMDLFAWID26_H__
-
-int CmdLFAWID26(const char *Cmd);
-
-int CmdClone(const char *Cmd);
-bool awid26_hex_to_uid(unsigned char *response, char *awid26);
-bool bcd_to_awid26_bin(unsigned char *awid26, unsigned char *bcd);
-#endif
c.d.asBytes[0] = 0x1; \r
}\r
\r
+ clearCommandBuffer();\r
SendCommand(&c);\r
if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {\r
PrintAndLog("command execution time out");\r
\r
if (block > 7) {\r
PrintAndLog("Block number must be between 0 and 7");\r
- return 1;\r
+ return 2;\r
}\r
\r
+ UsbCommand resp;\r
UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {data, block, 0}};\r
c.d.asBytes[0] = 0x0; \r
\r
c.d.asBytes[0] = 0x1; \r
PrintAndLog("pwd : 0x%08X", password);\r
}\r
+ clearCommandBuffer();\r
SendCommand(&c);\r
+ if (!WaitForResponseTimeout(CMD_ACK, &resp, 1000)){\r
+ PrintAndLog("Error occurred, device did not ACK write operation. (May be due to old firmware)");\r
+ return -1;\r
+ }\r
return 0;\r
}\r
\r
// c.d.asBytes[0] = 0x1; \r
// }\r
\r
+ clearCommandBuffer();\r
SendCommand(&c);\r
if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {\r
PrintAndLog("command execution time out");\r
#define CMD_FSK_SIM_TAG 0x021E
#define CMD_ASK_SIM_TAG 0x021F
#define CMD_PSK_SIM_TAG 0x0220
+#define CMD_AWID_DEMOD_FSK 0x0221
/* CMD_SET_ADC_MUX: ext1 is 0 for lopkd, 1 for loraw, 2 for hipkd, 3 for hiraw */
CMD_FSK_SIM_TAG = 0x021E,
CMD_ASK_SIM_TAG = 0x021F,
CMD_PSK_SIM_TAG = 0x0220,
+ CMD_AWID_DEMOD_FSK = 0x0221,
--/* CMD_SET_ADC_MUX: ext1 is 0 for lopkd, 1 for loraw, 2 for hipkd, 3 for hiraw */
#define CMD_FSK_SIM_TAG 0x021E
#define CMD_ASK_SIM_TAG 0x021F
#define CMD_PSK_SIM_TAG 0x0220
+#define CMD_AWID_DEMOD_FSK 0x0221
/* CMD_SET_ADC_MUX: ext1 is 0 for lopkd, 1 for loraw, 2 for hipkd, 3 for hiraw */
--- /dev/null
+#define __STDC_FORMAT_MACROS
+#include <inttypes.h>
+#define llx PRIx64
+#define lli PRIi64
+
+// Test-file: test2.c
+#include "crapto1.h"
+#include <stdio.h>
+#include <stdlib.h>
+
+int main (int argc, char *argv[]) {
+ struct Crypto1State *s,*t;
+ uint64_t key; // recovered key
+ uint32_t uid; // serial number
+ uint32_t nt0; // tag challenge first
+ uint32_t nt1; // tag challenge second
+ uint32_t nr0_enc; // first encrypted reader challenge
+ uint32_t ar0_enc; // first encrypted reader response
+ uint32_t nr1_enc; // second encrypted reader challenge
+ uint32_t ar1_enc; // second encrypted reader response
+ uint32_t ks2; // keystream used to encrypt reader response
+
+ printf("MIFARE Classic key recovery - based 32 bits of keystream VERSION2\n");
+ printf("Recover key from two 32-bit reader authentication answers only");
+ printf("This version implements Moebius two different nonce solution (like the supercard)\n\n");
+
+ if (argc < 8) {
+ printf(" syntax: %s <uid> <nt> <{nr_0}> <{ar_0}> <nt1> <{nr_1}> <{ar_1}>\n\n",argv[0]);
+ return 1;
+ }
+
+ sscanf(argv[1],"%x",&uid);
+ sscanf(argv[2],"%x",&nt0);
+ sscanf(argv[3],"%x",&nr0_enc);
+ sscanf(argv[4],"%x",&ar0_enc);
+ sscanf(argv[5],"%x",&nt1);
+ sscanf(argv[6],"%x",&nr1_enc);
+ sscanf(argv[7],"%x",&ar1_enc);
+
+ printf("Recovering key for:\n");
+ printf(" uid: %08x\n",uid);
+ printf(" nt_0: %08x\n",nt0);
+ printf(" {nr_0}: %08x\n",nr0_enc);
+ printf(" {ar_0}: %08x\n",ar0_enc);
+ printf(" nt_1: %08x\n",nt1);
+ printf(" {nr_1}: %08x\n",nr1_enc);
+ printf(" {ar_1}: %08x\n",ar1_enc);
+
+ // Generate lfsr succesors of the tag challenge
+ printf("\nLFSR succesors of the tag challenge:\n");
+ printf(" nt': %08x\n",prng_successor(nt0, 64));
+ printf(" nt'': %08x\n",prng_successor(nt0, 96));
+
+ // Extract the keystream from the messages
+ printf("\nKeystream used to generate {ar} and {at}:\n");
+ ks2 = ar0_enc ^ prng_successor(nt0, 64);
+ printf(" ks2: %08x\n",ks2);
+
+ s = lfsr_recovery32(ar0_enc ^ prng_successor(nt0, 64), 0);
+
+ for(t = s; t->odd | t->even; ++t) {
+ lfsr_rollback_word(t, 0, 0);
+ lfsr_rollback_word(t, nr0_enc, 1);
+ lfsr_rollback_word(t, uid ^ nt0, 0);
+ crypto1_get_lfsr(t, &key);
+
+ crypto1_word(t, uid ^ nt1, 0);
+ crypto1_word(t, nr1_enc, 1);
+ if (ar1_enc == (crypto1_word(t, 0, 0) ^ prng_successor(nt1, 64))) {
+ printf("\nFound Key: [%012"llx"]\n\n",key);
+ break;}
+ }
+ free(s);
+
+ return 0;
+}
--- /dev/null
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\ No newline at end of file
projects / proxmark3-svn / commitdiff