#include "cmdparser.h" // CmdsParse, CmdsHelp
#include "cmdlfawid.h" // AWID function declarations
#include "lfdemod.h" // parityTest
+#include "util.h" // weigandparity
+#include "protocols.h" // for T55xx config register definitions
#include "cmdmain.h"
+#include "sleep.h"
+
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;
+ PrintAndLog("Enables AWID compatible reader mode printing details of scanned AWID26 or AWID50 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 AWID card.");
+ PrintAndLog("");
+ PrintAndLog("Usage: lf awid fskdemod [h] [1]");
+ PrintAndLog("Options :");
+ PrintAndLog(" h : This help");
+ PrintAndLog(" 1 : (optional) stop after reading a single card");
+ PrintAndLog("");
+ PrintAndLog("Samples");
+ PrintAndLog(" 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 AWID facility code");
- PrintAndLog(" <Card Number> : 16-bit value AWID card number");
- PrintAndLog("");
- PrintAndLog("sample : lf awid sim 224 1337");
- return 0;
+ PrintAndLog("Enables simulation of AWID card with specified facility-code and card number.");
+ PrintAndLog("Simulation runs until the button is pressed or another USB command is issued.");
+ PrintAndLog("");
+ PrintAndLog("Usage: lf awid sim [h] <format> <facility-code> <card-number>");
+ PrintAndLog("Options :");
+ PrintAndLog(" h : This help");
+ PrintAndLog(" <format> : format length 26|50");
+ PrintAndLog(" <facility-code> : 8|16bit value facility code");
+ PrintAndLog(" <card number> : 16|32-bit value card number");
+ PrintAndLog("");
+ PrintAndLog("Samples");
+ PrintAndLog(" lf awid sim 26 224 1337");
+ PrintAndLog(" lf awid sim 50 2001 13371337");
+ 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 AWID facility code");
- PrintAndLog(" <Card Number> : 16-bit value AWID card number");
- PrintAndLog("");
- PrintAndLog("sample : lf awid clone 224 1337");
- return 0;
+ PrintAndLog("Enables cloning of AWID 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("");
+ PrintAndLog("Usage: lf awid clone [h] <format> <facility-code> <card-number> [Q5]");
+ PrintAndLog("Options :");
+ PrintAndLog(" h : This help");
+ PrintAndLog(" <format> : format length 26|50");
+ PrintAndLog(" <facility-code> : 8|16bit value facility code");
+ PrintAndLog(" <card number> : 16|32-bit value card number");
+ PrintAndLog(" Q5 : optional - clone to Q5 (T5555) instead of T55x7 chip");
+ PrintAndLog("");
+ PrintAndLog("Samples");
+ PrintAndLog(" lf awid clone 26 224 1337");
+ PrintAndLog(" lf awid clone 50 2001 13371337");
+ return 0;
+}
+
+int usage_lf_awid_brute(void){
+ PrintAndLog("Enables bruteforce of AWID reader with specified facility-code.");
+ PrintAndLog("This is a incremental attack against reader.");
+ PrintAndLog("");
+ PrintAndLog("Usage: lf awid brute [h] <format> <facility-code> <delay>");
+ PrintAndLog("Options :");
+ PrintAndLog(" h : This help");
+ PrintAndLog(" <format> : format length 26|50");
+ PrintAndLog(" <facility-code> : 8|16bit value facility code");
+ PrintAndLog(" <delay> : delay betweens attempts in ms. Default 1000ms");
+ PrintAndLog("");
+ PrintAndLog("Samples");
+ PrintAndLog(" lf awid brute 26 224");
+ PrintAndLog(" lf awid brute 50 2001 2000");
+ return 0;
}
int CmdAWIDDemodFSK(const char *Cmd) {
- int findone = 0;
- if (Cmd[0] == 'h' || Cmd[0] == 'H') return usage_lf_awid_fskdemod();
-
- if (Cmd[0] == '1') findone = 1;
-
- UsbCommand c = {CMD_AWID_DEMOD_FSK, {findone, 0, 0}};
- clearCommandBuffer();
- SendCommand(&c);
- return 0;
+ int findone = 0;
+ if (Cmd[0] == 'h' || Cmd[0] == 'H') return usage_lf_awid_fskdemod();
+ if (Cmd[0] == '1') findone = 1;
+
+ UsbCommand c = {CMD_AWID_DEMOD_FSK, {findone, 0, 0}};
+ clearCommandBuffer();
+ SendCommand(&c);
+ return 0;
}
-int getAWIDBits(unsigned int fc, unsigned int cn, uint8_t *AWIDBits)
-{
- //int i;
- uint32_t fcode = (fc & 0x000000FF);
- uint32_t cnum = (cn & 0x0000FFFF);
- uint32_t 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)");
+//refactored by marshmellow
+int getAWIDBits(uint8_t fmtlen, uint32_t fc, uint32_t cn, uint8_t *bits) {
- uint8_t pre[] = {0x01, 0x1D, 0x80, 0x00,0x00,0x00,0x00, 0x11, 0x11, 0x11, 0x11, 0x11};
- memcpy(AWIDBits, pre , sizeof(pre));
+ // the return bits, preamble 0000 0001
+ bits[7] = 1;
- // 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
+ uint8_t pre[66];
+ memset(pre, 0, sizeof(pre));
- // for (i = 7; i<12; i++)
- // AWIDBits[i]=0x11;
-
- 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
+ // add formatlength
+ num_to_bytebits(fmtlen, 8, pre);
- 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]++;
+ // add facilitycode, cardnumber and wiegand parity bits
+ if ( fmtlen == 26 ) {
+ uint8_t wiegand[24];
+ num_to_bytebits(fc, 8, wiegand);
+ num_to_bytebits(cn, 16, wiegand+8);
+ wiegand_add_parity(pre+8, wiegand, sizeof(wiegand));
+ } else {
+ uint8_t wiegand[48];
+ num_to_bytebits(fc, 16, wiegand);
+ num_to_bytebits(cn, 32, wiegand+16);
+ wiegand_add_parity(pre+8, wiegand, sizeof(wiegand));
+ }
+ // add AWID 4bit parity
+ size_t bitLen = addParity(pre, bits+8, 66, 4, 1);
+
+ if (bitLen != 88) return 0;
return 1;
}
-int CmdAWIDSim(const char *Cmd)
-{
- uint32_t fcode = 0, cnum = 0, fc=0, cn=0, i=0;
- uint8_t bits[12];
- uint8_t *bs=bits;
+int CmdAWIDSim(const char *Cmd) {
+ uint32_t fc = 0, cn = 0;
+ uint8_t fmtlen = 0;
+ uint8_t bits[96];
+ uint8_t *bs = bits;
+ size_t size = sizeof(bits);
+ memset(bs, 0x00, size);
- uint64_t arg1 = (10<<8) + 8; // fcHigh = 10, fcLow = 8
+ uint64_t arg1 = ( 10 << 8 ) + 8; // fcHigh = 10, fcLow = 8
uint64_t arg2 = 50; // clk RF/50 invert=0
- if (sscanf(Cmd, "%u %u", &fc, &cn ) != 2) return usage_lf_awid_sim();
-
- fcode = (fc & 0x000000FF);
- cnum = (cn & 0x0000FFFF);
+ char cmdp = param_getchar(Cmd, 0);
+ if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_awid_sim();
- 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);
+ fmtlen = param_get8(Cmd, 0);
+ fc = param_get32ex(Cmd, 1, 0, 10);
+ cn = param_get32ex(Cmd, 2, 0, 10);
+ if ( !fc || !cn) return usage_lf_awid_sim();
- PrintAndLog("Emulating AWID26 -- FC: %u; CN: %u\n", fcode, cnum);
+ switch(fmtlen) {
+ case 26:
+ 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);
+ }
+ break;
+ case 50:
+ if ((fc & 0xFFFF) != fc) {
+ fc &= 0xFFFF;
+ PrintAndLog("Facility-Code Truncated to 16-bits (AWID50): %u", fc);
+ }
+ break;
+ default: break;
+ }
+
+ PrintAndLog("Emulating AWID %u -- FC: %u; CN: %u\n", fmtlen, fc, cn);
PrintAndLog("Press pm3-button to abort simulation or run another command");
- if (!getAWIDBits(fc, cn, bs)) {
+ if (!getAWIDBits(fmtlen, fc, cn, bs)) {
PrintAndLog("Error with tag bitstream generation.");
return 1;
}
// AWID uses: fcHigh: 10, fcLow: 8, clk: 50, invert: 0
- PrintAndLog("Running 'lf simfsk c 50 H 10 L 8 d %s'", sprint_hex(bs, sizeof(bs)));
-
// arg1 --- fcHigh<<8 + fcLow
// arg2 --- Inversion and clk setting
// 96 --- Bitstream length: 96-bits == 12 bytes
- UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, 96}};
-
- for (i=0; i < 96; i++)
- c.d.asBytes[i] = (bs[i/8] & (1<<(7-(i%8)))) ? 1 : 0;
-
+ UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, size}};
+ memcpy(c.d.asBytes, bs, size);
clearCommandBuffer();
SendCommand(&c);
return 0;
}
-int CmdAWIDClone(const char *Cmd)
-{
- uint32_t blocks[4] = {0x00107060, 0, 0, 0x11111111};
- uint32_t fc=0, cn=0, i=0;
- uint8_t bits[12];
+int CmdAWIDClone(const char *Cmd) {
+ uint32_t blocks[4] = {T55x7_MODULATION_FSK2a | T55x7_BITRATE_RF_50 | 3<<T55x7_MAXBLOCK_SHIFT, 0, 0, 0};
+ uint32_t fc = 0, cn = 0;
+ uint8_t fmtlen = 0;
+ uint8_t bits[96];
uint8_t *bs=bits;
+ memset(bs,0,sizeof(bits));
- if (sscanf(Cmd, "%u %u", &fc, &cn ) != 2) return usage_lf_awid_clone();
+ char cmdp = param_getchar(Cmd, 0);
+ if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_awid_clone();
- if ((fc & 0xFF) != fc) {
- fc &= 0xFF;
- PrintAndLog("Facility-Code Truncated to 8-bits (AWID26): %u", fc);
- }
+ fmtlen = param_get8(Cmd, 0);
+ fc = param_get32ex(Cmd, 1, 0, 10);
+ cn = param_get32ex(Cmd, 2, 0, 10);
+
+ if ( !fc || !cn) return usage_lf_awid_clone();
+
+ switch(fmtlen) {
+ case 50:
+ if ((fc & 0xFFFF) != fc) {
+ fc &= 0xFFFF;
+ PrintAndLog("Facility-Code Truncated to 16-bits (AWID50): %u", fc);
+ }
+ break;
+ default:
+ fmtlen = 26;
+ 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 ((cn & 0xFFFF) != cn) {
+ cn &= 0xFFFF;
+ PrintAndLog("Card Number Truncated to 16-bits (AWID26): %u", cn);
+ }
+ break;
}
- if ( !getAWIDBits(fc, cn, bs)) {
+ if (param_getchar(Cmd, 4) == 'Q' || param_getchar(Cmd, 4) == 'q')
+ //t5555 (Q5) BITRATE = (RF-2)/2 (iceman)
+ blocks[0] = T5555_MODULATION_FSK2 | T5555_INVERT_OUTPUT | 50<<T5555_BITRATE_SHIFT | 3<<T5555_MAXBLOCK_SHIFT;
+
+ if ( !getAWIDBits(fmtlen, fc, cn, bs)) {
PrintAndLog("Error with tag bitstream generation.");
return 1;
}
- PrintAndLog("Preparing to clone AWID26 to T55x7 with FC: %u, CN: %u ", fc, cn);
- PrintAndLog("Raw: %s", sprint_hex(bs, sizeof(bs)));
+ blocks[1] = bytebits_to_byte(bs,32);
+ blocks[2] = bytebits_to_byte(bs+32,32);
+ blocks[3] = bytebits_to_byte(bs+64,32);
- 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("Preparing to clone AWID %u to T55x7 with FC: %u, CN: %u", fmtlen, fc, cn);
PrintAndLog("Blk | Data ");
PrintAndLog("----+------------");
PrintAndLog(" 00 | 0x%08x", blocks[0]);
UsbCommand resp;
UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {0,0,0}};
- for (i=0; i<4; i++) {
+ for (uint8_t i=0; i<4; i++) {
c.arg[0] = blocks[i];
c.arg[1] = i;
clearCommandBuffer();
SendCommand(&c);
- if (!WaitForResponseTimeout(CMD_ACK, &resp, 1000)){
+ if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)){
PrintAndLog("Error occurred, device did not respond during write operation.");
return -1;
}
return 0;
}
-static command_t CommandTable[] =
-{
+int CmdAWIDBrute(const char *Cmd){
+
+ uint32_t fc = 0, delay = 1000;
+ uint8_t fmtlen = 0;
+ uint8_t bits[96];
+ uint8_t *bs = bits;
+ size_t size = sizeof(bits);
+ memset(bs, 0x00, size);
+
+ char cmdp = param_getchar(Cmd, 0);
+ if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_awid_brute();
+
+ fmtlen = param_get8(Cmd, 0);
+ fc = param_get32ex(Cmd, 1, 0, 10);
+ if ( !fc ) return usage_lf_awid_brute();
+
+ // delay between attemps, defaults to 1000ms.
+ delay = param_get32ex(Cmd, 2, 1000, 10);
+
+ switch(fmtlen) {
+ case 50:
+ if ((fc & 0xFFFF) != fc) {
+ fc &= 0xFFFF;
+ PrintAndLog("Facility-Code Truncated to 16-bits (AWID50): %u", fc);
+ }
+ break;
+ default:
+ if ((fc & 0xFF) != fc) {
+ fc &= 0xFF;
+ PrintAndLog("Facility-Code Truncated to 8-bits (AWID26): %u", fc);
+ }
+ break;
+ }
+
+ PrintAndLog("Bruteforceing AWID %d Reader", fmtlen);
+ PrintAndLog("Press pm3-button to abort simulation or press key");
+
+ uint64_t arg1 = (10<<8) + 8; // fcHigh = 10, fcLow = 8
+ uint64_t arg2 = 50; // clk RF/50 invert=0
+ UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, size}};
+
+ for ( uint16_t cn = 1; cn < 0xFFFF; ++cn){
+
+ if (ukbhit()) {
+ UsbCommand resp;
+ UsbCommand ping = {CMD_PING};
+ clearCommandBuffer();
+ SendCommand(&ping);
+ if (WaitForResponseTimeout(CMD_ACK, &resp, 1000)) {
+ PrintAndLog("aborted via keyboard!");
+ return 0;
+ }
+ PrintAndLog("Device didnt respond to ABORT");
+ return 1;
+ }
+
+ PrintAndLog("Trying FC: %u; CN: %u", fc, cn);
+ if ( !getAWIDBits(fmtlen, fc, cn, bs)) {
+ PrintAndLog("Error with tag bitstream generation.");
+ return 1;
+ }
+ memcpy(c.d.asBytes, bs, size);
+ clearCommandBuffer();
+ SendCommand(&c);
+
+ msleep(delay);
+ }
+ 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)"},
+ {"sim", CmdAWIDSim, 0, "<facility-code> <card number> -- AWID tag simulator"},
+ {"clone", CmdAWIDClone, 0, "<facility-code> <card number> <Q5> -- Clone AWID to T55x7"},
+ {"brute", CmdAWIDBrute, 0, "<format> <facility-code> <delay> -- bruteforce card number given a FC"},
{NULL, NULL, 0, NULL}
};
-int CmdLFAWID(const char *Cmd)
-{
+int CmdLFAWID(const char *Cmd) {
+ clearCommandBuffer();
CmdsParse(CommandTable, Cmd);
return 0;
}
-int CmdHelp(const char *Cmd)
-{
+int CmdHelp(const char *Cmd) {
CmdsHelp(CommandTable);
return 0;
}
projects / proxmark3-svn / blobdiff