#include "graph.h"
#include "cmdparser.h"
#include "cmdlfhid.h"
+#include "util.h"
+#include "cmdmain.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");
+ 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("Examples:");
+ PrintAndLog(" lf hid wiegand 26 0 101 2001");
+ return 0;
+}
+
/*
int CmdHIDDemod(const char *Cmd)
{
*/
int CmdHIDDemodFSK(const char *Cmd)
{
- int findone=0;
- if(Cmd[0]=='1') findone=1;
- UsbCommand c={CMD_HID_DEMOD_FSK};
- c.arg[0]=findone;
- SendCommand(&c);
- return 0;
+ int findone = ( Cmd[0] == '1' ) ? 1 : 0;
+ UsbCommand c = {CMD_HID_DEMOD_FSK, {findone, 0 , 0}};
+ clearCommandBuffer();
+ SendCommand(&c);
+ return 0;
}
int CmdHIDSim(const char *Cmd)
{
- unsigned int hi = 0, lo = 0;
- int n = 0, i = 0;
+ unsigned int hi = 0, lo = 0;
+ int n = 0, i = 0;
- while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
- hi = (hi << 4) | (lo >> 28);
- lo = (lo << 4) | (n & 0xf);
- }
+ while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
+ hi = (hi << 4) | (lo >> 28);
+ lo = (lo << 4) | (n & 0xf);
+ }
- PrintAndLog("Emulating tag with ID %x%16x", hi, lo);
- PrintAndLog("Press pm3-button to abort simulation");
+ PrintAndLog("Emulating tag with ID %x%16x", hi, lo);
+ PrintAndLog("Press pm3-button to abort simulation");
- UsbCommand c = {CMD_HID_SIM_TAG, {hi, lo, 0}};
- SendCommand(&c);
- return 0;
+ UsbCommand c = {CMD_HID_SIM_TAG, {hi, lo, 0}};
+ clearCommandBuffer();
+ SendCommand(&c);
+ return 0;
}
int CmdHIDClone(const char *Cmd)
{
- unsigned int hi2 = 0, hi = 0, lo = 0;
- int n = 0, i = 0;
- UsbCommand c;
-
- if (strchr(Cmd,'l') != 0) {
- while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
- hi2 = (hi2 << 4) | (hi >> 28);
- hi = (hi << 4) | (lo >> 28);
- lo = (lo << 4) | (n & 0xf);
- }
+ unsigned int hi2 = 0, hi = 0, lo = 0;
+ int n = 0, i = 0;
+ UsbCommand c;
- PrintAndLog("Cloning tag with long ID %x%08x%08x", hi2, hi, lo);
+ if (strchr(Cmd,'l') != 0) {
+ while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
+ hi2 = (hi2 << 4) | (hi >> 28);
+ hi = (hi << 4) | (lo >> 28);
+ lo = (lo << 4) | (n & 0xf);
+ }
- c.d.asBytes[0] = 1;
- }
- else {
- while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
- hi = (hi << 4) | (lo >> 28);
- lo = (lo << 4) | (n & 0xf);
- }
+ PrintAndLog("Cloning tag with long ID %x%08x%08x", hi2, hi, lo);
- PrintAndLog("Cloning tag with ID %x%08x", hi, lo);
+ c.d.asBytes[0] = 1;
+ } else {
+ while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
+ hi = (hi << 4) | (lo >> 28);
+ lo = (lo << 4) | (n & 0xf);
+ }
- hi2 = 0;
- c.d.asBytes[0] = 0;
- }
+ PrintAndLog("Cloning tag with ID %x%08x", hi, lo);
- c.cmd = CMD_HID_CLONE_TAG;
- c.arg[0] = hi2;
- c.arg[1] = hi;
- c.arg[2] = lo;
+ hi2 = 0;
+ c.d.asBytes[0] = 0;
+ }
- SendCommand(&c);
- return 0;
+ c.cmd = CMD_HID_CLONE_TAG;
+ c.arg[0] = hi2;
+ c.arg[1] = hi;
+ c.arg[2] = lo;
+
+ clearCommandBuffer();
+ SendCommand(&c);
+ return 0;
}
-static command_t CommandTable[] =
+static void getParity26(uint32_t *hi, uint32_t *lo){
+ uint32_t result = 0;
+ int i;
+ // even parity
+ for (i = 24;i >= 13;i--)
+ result ^= (*lo >> i) & 1;
+ // even parity 26th bit
+ *lo |= result << 25;
+
+ // odd parity
+ result = 0;
+ for (i = 12;i >= 1;i--)
+ result ^= (*lo >> i) & 1;
+ *lo |= !result;
+}
+static void getParity34(uint32_t *hi, uint32_t *lo){
+ uint32_t result = 0;
+ int i;
+
+ // even parity
+ for (i = 7;i >= 0;i--)
+ result ^= (*hi >> i) & i;
+ for (i = 31;i >= 24;i--)
+ result ^= (*lo >> i) & 1;
+
+ *hi |= result << 2;
+
+ // odd parity bit
+ result = 0;
+ for (i = 23;i >= 1;i--)
+ result ^= (*lo >> i) & 1;
+
+ *lo |= !result;
+}
+static void getParity35(uint32_t *hi, uint32_t *lo){
+ *hi = *hi;
+}
+static void getParity37S(uint32_t *hi,uint32_t *lo){
+ uint32_t result = 0;
+ uint8_t i;
+
+ // even parity
+ for (i = 4; i >= 0; i--)
+ result ^= (*hi >> i) & 1;
+
+ for (i = 31; i >= 20; i--)
+ result ^= (*lo >> i) & 1;
+
+ *hi |= result;
+
+ // odd parity
+ result = 0;
+ for (i = 19; i >= 1; i--)
+ result ^= (*lo >> i) & 1;
+
+ *lo |= result;
+}
+static void getParity37H(uint32_t *hi, uint32_t *lo){
+ uint32_t result = 0;
+ int i;
+
+ // even parity
+ for (i = 4;i >= 0;i--)
+ result ^= (*hi >> i) & 1;
+ for (i = 31;i >= 20;i--)
+ result ^= (*lo >> i) & 1;
+ *hi |= result << 4;
+
+ // odd parity
+ result = 0;
+ for (i = 19;i >= 1;i--)
+ result ^= (*lo >> i) & 1;
+ *lo |= result;
+}
+
+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 calc34(uint16_t fc, uint32_t cardno, uint32_t *hi, uint32_t *lo){
+ // put card number first bit 1 .. 20 //
+ *lo = ((cardno & 0X000F7FFF) << 1) | ((fc & 0XFFFF) << 17);
+ // set bit format for less than 37 bit format
+ *hi = (1 << 5) | (fc >> 15);
+}
+static void calc35(uint16_t fc, uint32_t cardno, uint32_t *hi, uint32_t *lo){
+ *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
+ // Even P1 1 - 19
+ // Odd P37 19 - 36
+
+ sc = sc & 0xFFFF;
+ *lo = ( (sc << 20) | (cn & 0x7FFFF) << 1);
+ *hi = (sc >> 12);
+}
+static void calc37H(uint64_t cn, uint32_t *hi, uint32_t *lo){
+ // SC NONE
+ // CN 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);
+}
+static void calc40(uint64_t cn, uint32_t *hi, uint32_t *lo){
+ cn = (cn & 0xFFFFFFFFFF);
+ *lo = ((cn & 0xFFFFFFFF) << 1 );
+ *hi = (cn >> 31);
+}
+
+int CmdHIDWiegand(const char *Cmd)
{
- {"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)"},
- {NULL, NULL, 0, NULL}
+ 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);
+
+ switch ( fmtlen ) {
+ case 26 : {
+ cardnum = (cn & 0xFFFFFFFF);
+ calc26(fc, cardnum, &hi, &lo);
+ getParity26(&hi, &lo);
+ break;
+ }
+ case 34 : {
+ cardnum = (cn & 0xFFFFFFFF);
+ calc34(fc, cardnum, &hi, &lo);
+ getParity34(&hi, &lo);
+ break;
+ }
+ case 35 : {
+ cardnum = (cn & 0xFFFFFFFF);
+ calc35(fc, cardnum, &hi, &lo);
+ getParity35(&hi, &lo);
+ break;
+ }
+ case 37 : {
+ cardnum = (cn & 0xFFFFFFFF);
+ calc37S(fc, cardnum, &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);
+ break;
+ }
+ case 44 : { break; }
+ case 84 : { break; }
+ }
+ PrintAndLog("HID %d bit | FC: %d CN: %lld | Wiegand Code: %08X%08X", fmtlen, fc, cn, hi, lo);
+ 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"},
+ {NULL, NULL, 0, NULL}
};
-int CmdLFHID(const char *Cmd)
-{
- CmdsParse(CommandTable, Cmd);
- return 0;
+int CmdLFHID(const char *Cmd) {
+ CmdsParse(CommandTable, Cmd);
+ return 0;
}
-int CmdHelp(const char *Cmd)
-{
- CmdsHelp(CommandTable);
- return 0;
+int CmdHelp(const char *Cmd) {
+ CmdsHelp(CommandTable);
+ return 0;
}
projects / proxmark3-svn / blobdiff