#include "cmdlfhid.h"
#include "util.h"
#include "cmdmain.h"
+#include "sleep.h"
static int CmdHelp(const char *Cmd);
-int usage_hid_wiegand(){
- PrintAndLog("Usage: lf hid wiegand [h] [formatlenght] [oem] [FacilityCode] [cardnumber]");
- PrintAndLog("This command converts FC/Cardnum to wiegand code");
+int usage_lf_hid_wiegand(void){
+ PrintAndLog("Usage: lf hid wiegand [h] [OEM] [FC] [CN]");
+ PrintAndLog("This command converts facility code/card number to Wiegand code");
PrintAndLog("Options:");
- PrintAndLog(" h - This help");
- PrintAndLog(" formatlen - Format length, 26|34|35|37|44|84");
- PrintAndLog(" oem - Oem number");
- PrintAndLog(" facilitynum - Facility number");
- PrintAndLog(" cardnum - Card number");
+ PrintAndLog(" h - This help");
+ PrintAndLog(" OEM - OEM number");
+ PrintAndLog(" FC - facility code");
+ PrintAndLog(" CN - card number");
PrintAndLog("Examples:");
- PrintAndLog(" lf hid wiegand 26 0 304 2001");
+ PrintAndLog(" lf hid wiegand 0 101 2001");
+ return 0;
+}
+int usage_lf_hid_brute(void){
+ PrintAndLog("Enables bruteforce of HID readers with specified facility code.");
+ PrintAndLog("Different formatlength is supported");
+ PrintAndLog("This is a incremental attack against reader.");
+ PrintAndLog("");
+ PrintAndLog("Usage: lf hid brute <format length> <facility code>");
+ PrintAndLog("Options :");
+ PrintAndLog(" <format length> - 26|33|34|35|37|40|44|84");
+ PrintAndLog(" <facility code> - 8-bit value HID facility code");
+ PrintAndLog("");
+ PrintAndLog("Sample : lf hid brute 26 224");
return 0;
}
-
/*
int CmdHIDDemod(const char *Cmd)
{
return 0;
}
*/
-int CmdHIDDemodFSK(const char *Cmd)
-{
+int CmdHIDDemodFSK(const char *Cmd) {
int findone = ( Cmd[0] == '1' ) ? 1 : 0;
UsbCommand c = {CMD_HID_DEMOD_FSK, {findone, 0 , 0}};
clearCommandBuffer();
return 0;
}
-int CmdHIDSim(const char *Cmd)
-{
+int CmdHIDSim(const char *Cmd) {
unsigned int hi = 0, lo = 0;
int n = 0, i = 0;
return 0;
}
-int CmdHIDClone(const char *Cmd)
-{
+int CmdHIDClone(const char *Cmd) {
unsigned int hi2 = 0, hi = 0, lo = 0;
int n = 0, i = 0;
UsbCommand c;
for (i = 12;i >= 1;i--)
result ^= (*lo >> i) & 1;
*lo |= !result;
+}
+static void getParity33(uint32_t *hi, uint32_t *lo){
+
}
static void getParity34(uint32_t *hi, uint32_t *lo){
uint32_t result = 0;
*lo |= !result;
}
-static void getParity35(uint32_t *hi, uint32_t *lo){
- *hi = *hi;
+static void getParity35(uint32_t *hi, uint32_t *lo){
}
static void getParity37S(uint32_t *hi,uint32_t *lo){
uint32_t result = 0;
- uint8_t i;
+ int i;
// even parity
for (i = 4; i >= 0; i--)
static void calc26(uint16_t fc, uint32_t cardno, uint32_t *hi, uint32_t *lo){
*lo = ((cardno & 0xFFFF) << 1) | ((fc & 0xFF) << 17) | (1 << 26);
*hi = (1 << 5);
+}
+static void calc33(uint16_t fc, uint32_t cardno, uint32_t *hi, uint32_t *lo){
+
}
static void calc34(uint16_t fc, uint32_t cardno, uint32_t *hi, uint32_t *lo){
// put card number first bit 1 .. 20 //
*lo = ((cardno & 0xFFFFF) << 1) | fc << 21;
*hi = (1 << 5) | ((fc >> 11) & 1);
}
-static void calc37S(uint16_t sc, uint32_t cn, uint32_t *hi, uint32_t *lo){
- // SC 2 - 17 - 16 bit
- // CN 18 - 36 - 19 bit
+static void calc37S(uint16_t fc, uint32_t cardno, uint32_t *hi, uint32_t *lo){
+ // FC 2 - 17 - 16 bit
+ // cardno 18 - 36 - 19 bit
// Even P1 1 - 19
// Odd P37 19 - 36
- sc = sc & 0xFFFF;
- *lo = ( (sc << 20) | (cn & 0x7FFFF) << 1);
- *hi = (sc >> 12);
+ fc = fc & 0xFFFF;
+ *lo = ((fc << 20) | (cardno & 0x7FFFF) << 1);
+ *hi = (fc >> 12);
}
-static void calc37H(uint64_t cn, uint32_t *hi, uint32_t *lo){
+static void calc37H(uint64_t cardno, uint32_t *hi, uint32_t *lo){
// SC NONE
- // CN 1-35 34 bits
+ // cardno 1-35 34 bits
// Even Parity 0th bit 1-18
// Odd Parity 36th bit 19-35
- cn = (cn & 0x00000003FFFFFFFF);
- *lo = (cn << 1);
- *hi = (cn >> 31);
+ cardno = (cardno & 0x00000003FFFFFFFF);
+ *lo = (cardno << 1);
+ *hi = (cardno >> 31);
}
-static void calc40(uint64_t cn, uint32_t *hi, uint32_t *lo){
- cn = (cn & 0xFFFFFFFFFF);
- *lo = (uint32_t)((cn & 0xFFFFFFFF) << 1 );
- *hi = (uint32_t) (cn >> 31);
+static void calc40(uint64_t cardno, uint32_t *hi, uint32_t *lo){
+ cardno = (cardno & 0xFFFFFFFFFF);
+ *lo = ((cardno & 0xFFFFFFFF) << 1 );
+ *hi = (cardno >> 31);
}
-int CmdHIDWiegand(const char *Cmd)
-{
- uint32_t oem;
- uint32_t fmtlen = 0;
- uint32_t fc, lo = 0, hi = 0;
- uint64_t cn = 0;
- uint32_t cardnum = 0;
-
- //uint32_t temp, p
- uint8_t ctmp = param_getchar(Cmd, 0);
- if ( strlen(Cmd) < 0 || strlen(Cmd) < 4 || ctmp == 'H' || ctmp == 'h' ) return usage_hid_wiegand();
-
- fmtlen = param_get8(Cmd, 0);
- oem = param_get8(Cmd, 1);
- fc = param_get32ex(Cmd, 2, 0, 10);
- cn = param_get64ex(Cmd, 3, 0, 10);
+static void calcWiegand(uint8_t fmtlen, uint16_t fc, uint64_t cardno, uint32_t *hi, uint32_t *lo){
+ uint32_t cn = (cardno & 0xFFFFFFFF);
switch ( fmtlen ) {
- case 26 : {
- cardnum = (cn & 0xFFFFFFFF);
- calc26(fc, cardnum, &hi, &lo);
- getParity26(&hi, &lo);
+ case 26 : {
+ calc26(fc, cn, hi, lo);
+ getParity26(hi, lo);
+ break;
+ }
+ case 33 : {
+ calc33(fc, cn, hi, lo);
+ getParity33(hi, lo);
break;
}
case 34 : {
- cardnum = (cn & 0xFFFFFFFF);
- calc34(fc, cardnum, &hi, &lo);
- getParity34(&hi, &lo);
+ calc34(fc, cn, hi, lo);
+ getParity34(hi, lo);
break;
}
case 35 : {
- cardnum = (cn & 0xFFFFFFFF);
- calc35(fc, cardnum, &hi, &lo);
- getParity35(&hi, &lo);
+ calc35(fc, cn, hi, lo);
+ getParity35(hi, lo);
break;
}
case 37 : {
- cardnum = (cn & 0xFFFFFFFF);
- calc37S(fc, cardnum, &hi, &lo);
- getParity37S(&hi, &lo);
+ calc37S(fc, cn, hi, lo);
+ getParity37S(hi, lo);
break;
}
case 38 : {
- cardnum = (cn & 0xFFFFFFFF);
- calc37H(cardnum, &hi, &lo);
- getParity37H(&hi, &lo);
- break;
- }
- case 40 : {
- calc40(cn, &hi, &lo);
- PrintAndLog("%x %x", hi, lo);
+ calc37H(cn, hi, lo);
+ getParity37H(hi, lo);
break;
}
+ case 40 : calc40(cardno, hi, lo); break;
case 44 : { break; }
case 84 : { break; }
}
- PrintAndLog("HID %d bit | FC: %d CN: %d | Wiegand Code: %08X%08X", fmtlen, fc, cn, hi, lo);
+}
+
+int CmdHIDWiegand(const char *Cmd) {
+ uint32_t oem;
+ uint32_t fc, lo = 0, hi = 0;
+ uint64_t cardnum = 0;
+
+ uint8_t ctmp = param_getchar(Cmd, 0);
+ if ( strlen(Cmd) == 0 || strlen(Cmd) < 3 || ctmp == 'H' || ctmp == 'h' ) return usage_lf_hid_wiegand();
+
+ oem = param_get8(Cmd, 0);
+ fc = param_get32ex(Cmd, 1, 0, 10);
+ cardnum = param_get64ex(Cmd, 2, 0, 10);
+
+ uint8_t ftmlen[] = {26,33,34,35,37,38,40};
+ for (uint8_t i = 0; i < sizeof(ftmlen); i++){
+ calcWiegand( ftmlen[i], fc, cardnum, &hi, &lo);
+ PrintAndLog("HID %d bit | OEM: %d FC: %d CN: %llu | Wiegand code: %08X%08X", ftmlen[i], oem, fc, cardnum, hi, lo);
+ }
+ return 0;
+}
+
+int CmdHIDBrute(const char *Cmd){
+
+ bool error = TRUE;
+ uint8_t fc = 0, fmtlen = 0;
+ uint32_t hi = 0, lo = 0;
+
+ UsbCommand c = {CMD_HID_SIM_TAG, {0, 0, 0}};
+
+ char cmdp = param_getchar(Cmd, 0);
+ if (strlen(Cmd) > 2 || strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_hid_brute();
+
+ fmtlen = param_get8(Cmd, 0);
+ uint8_t ftms[] = {26,33,34,35,37};
+ for ( uint8_t i = 0; i < sizeof(ftms); i++){
+ if ( ftms[i] == fmtlen ) {
+ error = FALSE;
+ }
+ }
+
+ if ( error ) return usage_lf_hid_brute();
+
+ fc = param_get8(Cmd, 1);
+ if ( fc == 0) return usage_lf_hid_brute();
+
+ PrintAndLog("Brute-forcing HID reader");
+ PrintAndLog("Press pm3-button to abort simulation or run another command");
+
+ for ( uint16_t cn = 1; cn < 0xFFFF; ++cn){
+ if (ukbhit()) {
+ PrintAndLog("aborted via keyboard!");
+ c.cmd = CMD_PING;
+ c.arg[0] = 0x00;
+ c.arg[1] = 0x00;
+ c.arg[2] = 0x00;
+ clearCommandBuffer();
+ SendCommand(&c);
+ return 1;
+ }
+
+ calcWiegand( fmtlen, fc, cn, &hi, &lo);
+
+ c.arg[0] = hi;
+ c.arg[1] = lo;
+ clearCommandBuffer();
+ SendCommand(&c);
+
+ PrintAndLog("Trying FC: %u; CN: %u", fc, cn);
+ // pause
+ sleep(1);
+ }
return 0;
}
static command_t CommandTable[] = {
- {"help", CmdHelp, 1, "This help"},
- //{"demod", CmdHIDDemod, 1, "Demodulate HID Prox Card II (not optimal)"},
- {"fskdemod", CmdHIDDemodFSK, 0, "['1'] Realtime HID FSK demodulator (option '1' for one tag only)"},
- {"sim", CmdHIDSim, 0, "<ID> -- HID tag simulator"},
- {"clone", CmdHIDClone, 0, "<ID> ['l'] -- Clone HID to T55x7 (tag must be in antenna)(option 'l' for 84bit ID)"},
- {"wiegand", CmdHIDWiegand, 1, "<oem> <fmtlen> <fc> <cardnum> -- convert facilitycode, cardnumber to Wiegand code"},
+ {"help", CmdHelp, 1, "This help"},
+// {"demod", CmdHIDDemod, 1, "Demodulate HID Prox Card II (not optimal)"},
+ {"fskdemod",CmdHIDDemodFSK, 0, "['1'] Realtime HID FSK demodulator (option '1' for one tag only)"},
+ {"sim", CmdHIDSim, 0, "<ID> -- HID tag simulator"},
+ {"clone", CmdHIDClone, 0, "<ID> ['l'] -- Clone HID to T55x7 (tag must be in antenna)(option 'l' for 84bit ID)"},
+ {"wiegand", CmdHIDWiegand, 0, "<OEM> <facility code> <card number> -- convert facility code/card number to Wiegand code"},
+ {"brute", CmdHIDBrute, 0, "<format length> <facility code> -- brute force card number"},
{NULL, NULL, 0, NULL}
};
int CmdLFHID(const char *Cmd) {
+ clearCommandBuffer();
CmdsParse(CommandTable, Cmd);
return 0;
}
projects / proxmark3-svn / blobdiff