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ADD: @go_tus 's code to generate wiegand codes from FacilityCode/SiteCode and Cardnumber. Almost there, formatlength supported is 26,34,35,37,38,40,44,75,84, when its finised.

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iceman1001 2016-01-08 14:28:13 +01:00
commit f4fbfb83e2
2 changed files with 251 additions and 59 deletions
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211
client/cmdlfhid.c
View file

@ -15,8 +15,25 @@
#include "graph.h" #include "graph.h"
#include "cmdparser.h" #include "cmdparser.h"
#include "cmdlfhid.h" #include "cmdlfhid.h"
#include "util.h"
#include "cmdmain.h"
static int CmdHelp(const char *Cmd); 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 0 304 2001");
return 0;
}
/* /*
int CmdHIDDemod(const char *Cmd) int CmdHIDDemod(const char *Cmd)
{ {
@ -39,10 +56,9 @@ int CmdHIDDemod(const char *Cmd)
*/ */
int CmdHIDDemodFSK(const char *Cmd) int CmdHIDDemodFSK(const char *Cmd)
{ {
int findone=0; int findone = ( Cmd[0] == '1' ) ? 1 : 0;
if(Cmd[0]=='1') findone=1; UsbCommand c = {CMD_HID_DEMOD_FSK, {findone, 0 , 0}};
UsbCommand c={CMD_HID_DEMOD_FSK}; clearCommandBuffer();
c.arg[0]=findone;
SendCommand(&c); SendCommand(&c);
return 0; return 0;
} }
@ -61,6 +77,7 @@ int CmdHIDSim(const char *Cmd)
PrintAndLog("Press pm3-button to abort simulation"); PrintAndLog("Press pm3-button to abort simulation");
UsbCommand c = {CMD_HID_SIM_TAG, {hi, lo, 0}}; UsbCommand c = {CMD_HID_SIM_TAG, {hi, lo, 0}};
clearCommandBuffer();
SendCommand(&c); SendCommand(&c);
return 0; return 0;
} }
@ -81,8 +98,7 @@ int CmdHIDClone(const char *Cmd)
PrintAndLog("Cloning tag with long ID %x%08x%08x", hi2, hi, lo); PrintAndLog("Cloning tag with long ID %x%08x%08x", hi2, hi, lo);
c.d.asBytes[0] = 1; c.d.asBytes[0] = 1;
} } else {
else {
while (sscanf(&Cmd[i++], "%1x", &n ) == 1) { while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
hi = (hi << 4) | (lo >> 28); hi = (hi << 4) | (lo >> 28);
lo = (lo << 4) | (n & 0xf); lo = (lo << 4) | (n & 0xf);
@ -99,28 +115,201 @@ int CmdHIDClone(const char *Cmd)
c.arg[1] = hi; c.arg[1] = hi;
c.arg[2] = lo; c.arg[2] = lo;
clearCommandBuffer();
SendCommand(&c); SendCommand(&c);
return 0; 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 = (uint32_t)((cn & 0xFFFFFFFF) << 1 );
*hi = (uint32_t) (cn >> 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);
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);
PrintAndLog("%x %x", 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);
return 0;
}
static command_t CommandTable[] = {
{"help", CmdHelp, 1, "This help"}, {"help", CmdHelp, 1, "This help"},
//{"demod", CmdHIDDemod, 1, "Demodulate HID Prox Card II (not optimal)"}, //{"demod", CmdHIDDemod, 1, "Demodulate HID Prox Card II (not optimal)"},
{"fskdemod", CmdHIDDemodFSK, 0, "['1'] Realtime HID FSK demodulator (option '1' for one tag only)"}, {"fskdemod", CmdHIDDemodFSK, 0, "['1'] Realtime HID FSK demodulator (option '1' for one tag only)"},
{"sim", CmdHIDSim, 0, "<ID> -- HID tag simulator"}, {"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)"}, {"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} {NULL, NULL, 0, NULL}
}; };
int CmdLFHID(const char *Cmd) int CmdLFHID(const char *Cmd) {
{
CmdsParse(CommandTable, Cmd); CmdsParse(CommandTable, Cmd);
return 0; return 0;
} }
int CmdHelp(const char *Cmd) int CmdHelp(const char *Cmd) {
{
CmdsHelp(CommandTable); CmdsHelp(CommandTable);
return 0; return 0;
} }

3
client/cmdlfhid.h
View file

@ -17,4 +17,7 @@ int CmdHIDDemodFSK(const char *Cmd);
int CmdHIDSim(const char *Cmd); int CmdHIDSim(const char *Cmd);
int CmdHIDClone(const char *Cmd); int CmdHIDClone(const char *Cmd);
int CmdHIDWiegand(const char *Cmd);
int usage_hid_wiegand();
#endif #endif