mirror of
https://github.com/RfidResearchGroup/proxmark3.git
synced 2025-08-14 10:37:23 -07:00
ADD: Started to add a "LF GUARD CLONE/SIM" functionality. *not working* all thats needed now is fixing the transformation from FacilityCode/CardNumber -> raw data for t55x7.
This commit is contained in:
iceman1001
parent
98c799ba49
commit
50564be0f8
6 changed files with 284 additions and 31 deletions
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@ -135,7 +135,8 @@ CMDSRCS = nonce2key/crapto1.c\
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radixsort.c\
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bucketsort.c\
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cmdlfpresco.c\
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cmdlfpyramid.c
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cmdlfpyramid.c\
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cmdlfguard.c
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ZLIBSRCS = deflate.c adler32.c trees.c zutil.c inflate.c inffast.c inftrees.c
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ZLIB_FLAGS = -DZ_SOLO -DZ_PREFIX -DNO_GZIP -DZLIB_PM3_TUNED
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@ -7,32 +7,7 @@
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//-----------------------------------------------------------------------------
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// Low frequency commands
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//-----------------------------------------------------------------------------
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <limits.h>
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#include "proxmark3.h"
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#include "data.h"
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#include "graph.h"
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#include "ui.h"
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#include "cmdparser.h"
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#include "cmdmain.h"
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#include "cmddata.h"
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#include "util.h"
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#include "cmdlf.h"
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#include "cmdlfhid.h"
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#include "cmdlfawid.h"
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#include "cmdlfti.h"
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#include "cmdlfem4x.h"
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#include "cmdlfhitag.h"
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#include "cmdlft55xx.h"
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#include "cmdlfpcf7931.h"
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#include "cmdlfio.h"
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#include "lfdemod.h"
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#include "cmdlfviking.h"
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#include "cmdlfpresco.h"
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#include "cmdlfpyramid.h"
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static int CmdHelp(const char *Cmd);
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int usage_lf_cmdread(void) {
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@ -1213,6 +1188,7 @@ static command_t CommandTable[] =
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{"help", CmdHelp, 1, "This help"},
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{"awid", CmdLFAWID, 1, "{ AWID RFIDs... }"},
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{"em4x", CmdLFEM4X, 1, "{ EM4X RFIDs... }"},
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{"guard", CmdLFGuard, 1, "{ Guardall RFIDs... }"},
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{"hid", CmdLFHID, 1, "{ HID RFIDs... }"},
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{"hitag", CmdLFHitag, 1, "{ HITAG RFIDs... }"},
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{"io", CmdLFIO, 1, "{ IOPROX RFIDs... }"},
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@ -10,6 +10,31 @@
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#ifndef CMDLF_H__
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#define CMDLF_H__
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <limits.h>
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#include "proxmark3.h"
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#include "data.h"
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#include "graph.h"
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#include "ui.h"
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#include "cmdparser.h"
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#include "cmdmain.h"
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#include "cmddata.h"
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#include "util.h"
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#include "cmdlfhid.h"
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#include "cmdlfawid.h"
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#include "cmdlfti.h"
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#include "cmdlfem4x.h"
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#include "cmdlfhitag.h"
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#include "cmdlft55xx.h"
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#include "cmdlfpcf7931.h"
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#include "cmdlfio.h"
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#include "lfdemod.h"
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#include "cmdlfviking.h"
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#include "cmdlfpresco.h"
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#include "cmdlfpyramid.h"
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#include "cmdlfguard.h"
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int CmdLF(const char *Cmd);
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224
client/cmdlfguard.c
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224
client/cmdlfguard.c
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@ -0,0 +1,224 @@
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//-----------------------------------------------------------------------------
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//
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// This code is licensed to you under the terms of the GNU GPL, version 2 or,
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// at your option, any later version. See the LICENSE.txt file for the text of
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// the license.
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//-----------------------------------------------------------------------------
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// Low frequency Farpoint / Pyramid tag commands
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//-----------------------------------------------------------------------------
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#include <string.h>
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#include <inttypes.h>
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#include "cmdlfguard.h"
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static int CmdHelp(const char *Cmd);
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int usage_lf_guard_clone(void){
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PrintAndLog("clone a Guardall tag to a T55x7 tag.");
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PrintAndLog("The facility-code is 8-bit and the card number is 16-bit. Larger values are truncated. ");
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PrintAndLog("Currently work only on 26bit");
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PrintAndLog("");
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PrintAndLog("Usage: lf guard clone <Facility-Code> <Card-Number>");
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PrintAndLog("Options :");
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PrintAndLog(" <Facility-Code> : 8-bit value facility code");
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PrintAndLog(" <Card Number> : 16-bit value card number");
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PrintAndLog("");
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PrintAndLog("Sample : lf guard clone 123 11223");
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return 0;
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}
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int usage_lf_guard_sim(void) {
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PrintAndLog("Enables simulation of Guardall card with specified card number.");
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PrintAndLog("Simulation runs until the button is pressed or another USB command is issued.");
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PrintAndLog("The facility-code is 8-bit and the card number is 16-bit. Larger values are truncated.");
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PrintAndLog("Currently work only on 26bit");
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PrintAndLog("");
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PrintAndLog("Usage: lf guard sim <Card-Number>");
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PrintAndLog("Options :");
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PrintAndLog(" <Facility-Code> : 8-bit value facility code");
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PrintAndLog(" <Card Number> : 16-bit value card number");
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PrintAndLog("");
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PrintAndLog("Sample : lf guard sim 123 11223");
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return 0;
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}
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// Works for 26bits.
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int GetGuardBits(uint32_t fc, uint32_t cn, uint8_t *guardBits) {
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// Intializes random number generator
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time_t t;
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srand((unsigned) time(&t));
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uint8_t pre[96];
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memset(pre, 0x00, sizeof(pre));
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uint8_t index = 8;
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// preamble 6bits
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pre[0] = 1;
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pre[1] = 1;
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pre[2] = 1;
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pre[3] = 1;
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pre[4] = 1;
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//pre[5] = 0;
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// add xor key
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uint8_t xorKey = rand() % 0xFF;
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num_to_bytebits(xorKey, 8, pre+index);
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index += 8;
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// add format length
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// len | hex | bin wiegand pos fc/cn
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// 26 | 1A | 0001 1010
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num_to_bytebits(26, 8, pre+index);
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// 36 | 24 | 0010 0100
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//num_to_bytebits(36, 8, pre+index);
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// 40 | 28 | 0010 1000
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//num_to_bytebits(40, 8, pre+index);
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index += 8;
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// 2bit checksum
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// unknown today.
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index += 2;
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// Get 26 wiegand from FacilityCode, CardNumber
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uint8_t wiegand[24];
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memset(wiegand, 0x00, sizeof(wiegand));
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num_to_bytebits(fc, 8, wiegand);
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num_to_bytebits(cn, 16, wiegand+8);
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// add wiegand parity bits (dest, source, len)
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wiegand_add_parity(pre+index, wiegand, 24);
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uint8_t tmp = 0, i = 0;
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for (i = 2; i < 12; ++i) {
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// // xor all bytes
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// tmp = xorKey ^ bytebits_to_byte(pre + (i*8), 8);
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// // copy to out..
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// num_to_bytebits(tmp, 8, pre + (i*8) );
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}
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// add spacer bit 0 every 5
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// swap nibbles
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// copy to outarray
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memcpy(guardBits, pre, sizeof(pre));
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printf(" | %s\n", sprint_bin(guardBits, 96) );
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return 1;
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}
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int CmdGuardRead(const char *Cmd) {
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CmdLFRead("s");
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getSamples("30000",false);
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return CmdG_Prox_II_Demod("");
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}
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int CmdGuardClone(const char *Cmd) {
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char cmdp = param_getchar(Cmd, 0);
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if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_guard_clone();
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uint32_t facilitycode=0, cardnumber=0, fc = 0, cn = 0;
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uint8_t i;
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uint8_t bs[96];
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memset(bs, 0x00, sizeof(bs));
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//GuardProxII - compat mode, ASK/Biphase, data rate 64, 3 data blocks
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uint32_t blocks[5] = {T55x7_MODULATION_BIPHASE | T55x7_BITRATE_RF_64 | 3<<T55x7_MAXBLOCK_SHIFT, 0, 0, 0, 0};
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// if (param_getchar(Cmd, 3) == 'Q' || param_getchar(Cmd, 3) == 'q')
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// blocks[0] = T5555_MODULATION_FSK2 | 50<<T5555_BITRATE_SHIFT | 4<<T5555_MAXBLOCK_SHIFT;
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if (sscanf(Cmd, "%u %u", &fc, &cn ) != 2) return usage_lf_guard_clone();
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facilitycode = (fc & 0x000000FF);
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cardnumber = (cn & 0x0000FFFF);
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if ( !GetGuardBits(facilitycode, cardnumber, bs)) {
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PrintAndLog("Error with tag bitstream generation.");
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return 1;
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}
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blocks[1] = bytebits_to_byte(bs,32);
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blocks[2] = bytebits_to_byte(bs+32,32);
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blocks[3] = bytebits_to_byte(bs+64,32);
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PrintAndLog("Preparing to clone Guardall to T55x7 with Facility Code: %u, Card Number: %u", facilitycode, cardnumber);
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PrintAndLog("Blk | Data ");
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PrintAndLog("----+------------");
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for ( i = 0; i<4; ++i )
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PrintAndLog(" %02d | %08x", i, blocks[i]);
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// UsbCommand resp;
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// UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {0,0,0}};
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// for ( i = 0; i<5; ++i ) {
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// c.arg[0] = blocks[i];
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// c.arg[1] = i;
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// clearCommandBuffer();
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// SendCommand(&c);
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// if (!WaitForResponseTimeout(CMD_ACK, &resp, 1000)){
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// PrintAndLog("Error occurred, device did not respond during write operation.");
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// return -1;
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// }
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// }
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return 0;
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}
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int CmdGuardSim(const char *Cmd) {
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char cmdp = param_getchar(Cmd, 0);
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if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_guard_sim();
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uint32_t facilitycode = 0, cardnumber = 0, fc = 0, cn = 0;
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uint8_t bs[96];
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size_t size = sizeof(bs);
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memset(bs, 0x00, size);
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// Pyramid uses: ASK Biphase, clk: 32, invert: 0
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uint64_t arg1, arg2;
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arg1 = (10 << 8) + 8;
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arg2 = 32 | 0;
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if (sscanf(Cmd, "%u %u", &fc, &cn ) != 2) return usage_lf_guard_sim();
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facilitycode = (fc & 0x000000FF);
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cardnumber = (cn & 0x0000FFFF);
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if ( !GetGuardBits(facilitycode, cardnumber, bs)) {
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PrintAndLog("Error with tag bitstream generation.");
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return 1;
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}
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PrintAndLog("Simulating Guardall - Facility Code: %u, CardNumber: %u", facilitycode, cardnumber );
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UsbCommand c = {CMD_ASK_SIM_TAG, {arg1, arg2, size}};
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memcpy(c.d.asBytes, bs, size);
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clearCommandBuffer();
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SendCommand(&c);
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return 0;
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}
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static command_t CommandTable[] = {
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{"help", CmdHelp, 1, "This help"},
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{"read", CmdGuardRead, 0, "Attempt to read and extract tag data"},
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{"clone", CmdGuardClone, 0, "<Facility-Code> <Card Number> clone Guardall tag"},
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{"sim", CmdGuardSim, 0, "<Facility-Code> <Card Number> simulate Guardall tag"},
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{NULL, NULL, 0, NULL}
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};
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int CmdLFGuard(const char *Cmd) {
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clearCommandBuffer();
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CmdsParse(CommandTable, Cmd);
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return 0;
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}
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int CmdHelp(const char *Cmd) {
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CmdsHelp(CommandTable);
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return 0;
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}
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30
client/cmdlfguard.h
Normal file
30
client/cmdlfguard.h
Normal file
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@ -0,0 +1,30 @@
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//-----------------------------------------------------------------------------
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//
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// This code is licensed to you under the terms of the GNU GPL, version 2 or,
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// at your option, any later version. See the LICENSE.txt file for the text of
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// the license.
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//-----------------------------------------------------------------------------
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// Low frequency T55xx commands
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//-----------------------------------------------------------------------------
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#ifndef CMDLFGUARD_H__
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#define CMDLFGUARD_H__
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#include "proxmark3.h"
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#include "ui.h"
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#include "util.h"
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#include "graph.h"
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#include "cmdparser.h"
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#include "cmddata.h"
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#include "cmdmain.h"
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#include "cmdlf.h"
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#include "protocols.h" // for T55xx config register definitions
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#include "lfdemod.h" // parityTest
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#include "crc.h"
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int CmdLFGuard(const char *Cmd);
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int CmdGuardClone(const char *Cmd);
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int CmdGuardSim(const char *Cmd);
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int usage_lf_guard_clone(void);
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int usage_lf_quard_sim(void);
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#endif
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@ -40,7 +40,6 @@ int usage_lf_pyramid_sim(void) {
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return 0;
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}
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// Works for 26bits.
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int GetPyramidBits(uint32_t fc, uint32_t cn, uint8_t *pyramidBits) {
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@ -60,10 +59,8 @@ int GetPyramidBits(uint32_t fc, uint32_t cn, uint8_t *pyramidBits) {
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wiegand_add_parity(pre+80, wiegand, 24);
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// add paritybits (bitsource, dest, sourcelen, paritylen, parityType (odd, even,)
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size_t s = addParity(pre+8, pyramidBits+8, 102, 8, 1);
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//printf(" %d |", s);
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addParity(pre+8, pyramidBits+8, 102, 8, 1);
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// add checksum
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uint8_t csBuff[13];
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for (uint8_t i = 0; i < 13; i++)
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