mirror of
https://github.com/RfidResearchGroup/proxmark3.git
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chg: 'lf hid brute' - use new wiegand formats. see helptext for more details
This commit is contained in:
iceman1001
parent
a3161ae9a2
commit
e5ffcfd513
1 changed files with 77 additions and 269 deletions
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@ -35,40 +35,24 @@
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#include "cmdlf.h" // lf_read
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#include "util_posix.h"
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#include "lfdemod.h"
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#include "wiegand_formats.h"
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#ifndef BITS
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# define BITS 96
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#endif
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static int CmdHelp(const char *Cmd);
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/*
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static int usage_lf_hid_read(void) {
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static int usage_lf_hid_watch(void) {
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PrintAndLogEx(NORMAL, "Enables HID compatible reader mode printing details.");
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PrintAndLogEx(NORMAL, "By default, values are printed and logged until the button is pressed or another USB command is issued.");
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PrintAndLogEx(NORMAL, "If the [1] option is provided, reader mode is exited after reading a single HID card.");
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PrintAndLogEx(NORMAL, "");
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PrintAndLogEx(NORMAL, "Usage: lf hid read [h] [1]");
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PrintAndLogEx(NORMAL, "Usage: lf hid watch [h]");
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PrintAndLogEx(NORMAL, "Options:");
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PrintAndLogEx(NORMAL, " h : This help");
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PrintAndLogEx(NORMAL, " 1 : (optional) stop after reading a single card");
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PrintAndLogEx(NORMAL, "");
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PrintAndLogEx(NORMAL, "Examples:");
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PrintAndLogEx(NORMAL, " lf hid read");
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PrintAndLogEx(NORMAL, " lf hid read 1");
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return PM3_SUCCESS;
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}
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*/
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static int usage_lf_hid_wiegand(void) {
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PrintAndLogEx(NORMAL, "This command converts facility code/card number to Wiegand code");
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PrintAndLogEx(NORMAL, "");
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PrintAndLogEx(NORMAL, "Usage: lf hid wiegand [h] [OEM] [FC] [CN]");
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PrintAndLogEx(NORMAL, "Options:");
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PrintAndLogEx(NORMAL, " h - This help");
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PrintAndLogEx(NORMAL, " OEM - OEM number / site code");
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PrintAndLogEx(NORMAL, " FC - facility code");
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PrintAndLogEx(NORMAL, " CN - card number");
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PrintAndLogEx(NORMAL, "Examples:");
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PrintAndLogEx(NORMAL, " lf hid wiegand 0 101 2001");
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PrintAndLogEx(NORMAL, " lf hid watch");
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return PM3_SUCCESS;
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}
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static int usage_lf_hid_sim(void) {
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@ -101,19 +85,21 @@ static int usage_lf_hid_brute(void) {
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PrintAndLogEx(NORMAL, "This is a attack against reader. if cardnumber is given, it starts with it and goes up / down one step");
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PrintAndLogEx(NORMAL, "if cardnumber is not given, it starts with 1 and goes up to 65535");
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PrintAndLogEx(NORMAL, "");
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PrintAndLogEx(NORMAL, "Usage: lf hid brute [h] [v] a <format> f <facility-code> c <cardnumber> d <delay>");
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PrintAndLogEx(NORMAL, "Usage: lf hid brute [h] [v] w <format> [<field> (decimal)>] {...}");
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PrintAndLogEx(NORMAL, "Options:");
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PrintAndLogEx(NORMAL, " h : This help");
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PrintAndLogEx(NORMAL, " a <format> : 26|33|34|35|37|40|44|84");
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PrintAndLogEx(NORMAL, " f <facility-code> : 8-bit value HID facility code");
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PrintAndLogEx(NORMAL, " c <cardnumber> : (optional) cardnumber to start with, max 65535");
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PrintAndLogEx(NORMAL, " w <format> : see `wiegand list` for available formats");
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PrintAndLogEx(NORMAL, " f <facility-code> : facility code");
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PrintAndLogEx(NORMAL, " c <cardnumber> : card number to start with");
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PrintAndLogEx(NORMAL, " i <issuelevel> : issue level");
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PrintAndLogEx(NORMAL, " o <oem> : OEM code");
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PrintAndLogEx(NORMAL, " d <delay> : delay betweens attempts in ms. Default 1000ms");
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PrintAndLogEx(NORMAL, " v : verbose logging, show all tries");
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PrintAndLogEx(NORMAL, "");
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PrintAndLogEx(NORMAL, "Examples:");
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PrintAndLogEx(NORMAL, " lf hid brute a 26 f 224");
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PrintAndLogEx(NORMAL, " lf hid brute a 26 f 21 d 2000");
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PrintAndLogEx(NORMAL, " lf hid brute v a 26 f 21 c 200 d 2000");
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PrintAndLogEx(NORMAL, " lf hid brute w H10301 f 224");
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PrintAndLogEx(NORMAL, " lf hid brute w H10301 f 21 d 2000");
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PrintAndLogEx(NORMAL, " lf hid brute v w H10301 f 21 c 200 d 2000");
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return PM3_SUCCESS;
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}
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@ -128,17 +114,33 @@ static int sendPing(void) {
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return PM3_ETIMEOUT;
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return PM3_SUCCESS;
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}
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static int sendTry(uint8_t fmtlen, uint32_t fc, uint32_t cn, uint32_t delay, uint8_t *bits, bool verbose) {
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static int sendTry(uint8_t format_idx, wiegand_card_t *card, uint32_t delay, bool verbose) {
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wiegand_message_t packed;
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memset(&packed, 0, sizeof(wiegand_message_t));
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if (HIDPack(format_idx, card, &packed) == false) {
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PrintAndLogEx(WARNING, "The card data could not be encoded in the selected format.");
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return PM3_ESOFT;
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}
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// this should be optional.
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if (verbose)
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PrintAndLogEx(INFO, "Trying FC: %u; CN: %u", fc, cn);
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PrintAndLogEx(INFO, "Trying FC: %u; CN: %u; Issue level: %u; OEM: %u", card->FacilityCode, card->CardNumber, card->IssueLevel, card->OEM);
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calcWiegand(fmtlen, fc, cn, bits, 0);
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lf_hidsim_t payload;
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payload.hi2 = packed.Top;
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payload.hi = packed.Mid;
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payload.lo = packed.Bot;
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clearCommandBuffer();
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SendCommandMIX(CMD_LF_HID_SIMULATE, bytebits_to_byte(bits, 32), bytebits_to_byte(bits + 32, 32), 0, NULL, 0);
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SendCommandNG(CMD_LF_HID_SIMULATE, (uint8_t *)&payload, sizeof(payload));
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/*
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PacketResponseNG resp;
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WaitForResponse(CMD_LF_HID_SIMULATE, &resp);
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if (resp.status == PM3_EOPABORTED)
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return resp.status;
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*/
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msleep(delay);
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return sendPing();
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}
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@ -258,18 +260,18 @@ static int CmdHIDRead(const char *Cmd) {
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lf_read(true, 12000);
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return CmdHIDDemod(Cmd);
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}
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/*
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// this read loops on device side.
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// uses the demod in lfops.c
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static int CmdHIDRead_device(const char *Cmd) {
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static int CmdHIDWatch(const char *Cmd) {
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if (Cmd[0] == 'h' || Cmd[0] == 'H') return usage_lf_hid_read();
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uint8_t findone = (Cmd[0] == '1') ? 1 : 0;
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uint8_t ctmp = tolower(param_getchar(Cmd, 0));
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if ( strlen(Cmd) == 0 || ctmp == 'h') return usage_lf_hid_watch();
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clearCommandBuffer();
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SendCommandMIX(CMD_LF_HID_DEMOD, findone, 0, 0, NULL, 0);
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SendCommandMIX(CMD_LF_HID_DEMOD, 0, 0, 0, NULL, 0);
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return PM3_SUCCESS;
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}
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*/
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static int CmdHIDSim(const char *Cmd) {
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lf_hidsim_t payload;
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payload.longFMT = 0;
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@ -319,8 +321,8 @@ static int CmdHIDClone(const char *Cmd) {
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uint32_t hi2 = 0, hi = 0, lo = 0;
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uint32_t n = 0, i = 0;
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uint8_t ctmp = param_getchar(Cmd, 0);
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if (strlen(Cmd) == 0 || ctmp == 'H' || ctmp == 'h') return usage_lf_hid_clone();
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uint8_t ctmp = tolower(param_getchar(Cmd, 0));
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if (strlen(Cmd) == 0 || ctmp == 'h') return usage_lf_hid_clone();
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uint8_t longid[1] = {0};
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if (strchr(Cmd, 'l') != 0) {
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i++;
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@ -348,201 +350,8 @@ static int CmdHIDClone(const char *Cmd) {
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}
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/*
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// struct to handle wiegand
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typedef struct {
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uint8_t FormatLen;
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uint8_t SiteCode;
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uint8_t FacilityCode;
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uint8_t CardNumber;
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uint8_t *Wiegand;
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size_t Wiegand_n;
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} wiegand_t;
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*/
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static void addHIDMarker(uint8_t fmtlen, uint8_t *out) {
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// temp array
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uint8_t arr[BITS];
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memset(arr, 0, BITS);
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// copy inpu
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uint8_t pos = sizeof(arr) - fmtlen;
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memcpy(arr + pos, out, fmtlen);
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switch (fmtlen) {
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case 26: {
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// start sentinel, BITS-bit 27 = 1
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arr[BITS - 27] = 1;
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// fmt smaller than 37 used, bit37 = 1
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arr[BITS - 38] = 1;
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memcpy(out, arr, BITS);
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break;
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}
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case 34:
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// start sentinel, BITS-bit 27 = 1
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arr[BITS - 35] = 1;
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// fmt smaller than 37 used, bit37 = 1
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arr[BITS - 38] = 1;
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memcpy(out, arr, BITS);
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break;
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default:
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break;
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}
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}
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// static void getParity34(uint32_t *hi, uint32_t *lo){
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// uint32_t result = 0;
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// int i;
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// // even parity
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// for (i = 7;i >= 0;i--)
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// result ^= (*hi >> i) & i;
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// for (i = 31;i >= 24;i--)
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// result ^= (*lo >> i) & 1;
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// *hi |= result << 2;
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// // odd parity bit
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// result = 0;
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// for (i = 23;i >= 1;i--)
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// result ^= (*lo >> i) & 1;
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// *lo |= !result;
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// }
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// static void getParity37H(uint32_t *hi, uint32_t *lo){
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// uint32_t result = 0;
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// int i;
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// // even parity
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// for (i = 4;i >= 0;i--)
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// result ^= (*hi >> i) & 1;
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// for (i = 31;i >= 20;i--)
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// result ^= (*lo >> i) & 1;
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// *hi |= result << 4;
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// // odd parity
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// result = 0;
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// for (i = 19;i >= 1;i--)
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// result ^= (*lo >> i) & 1;
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// *lo |= result;
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// }
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//static void calc26(uint16_t fc, uint32_t cardno, uint8_t *out){
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static void calc26(uint16_t fc, uint32_t cardno, uint8_t *out) {
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uint8_t wiegand[24];
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num_to_bytebits(fc, 8, wiegand);
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num_to_bytebits(cardno, 16, wiegand + 8);
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wiegand_add_parity(out, wiegand, sizeof(wiegand));
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}
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// static void calc33(uint16_t fc, uint32_t cardno, uint8_t *out){
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// }
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static void calc34(uint16_t fc, uint32_t cardno, uint8_t *out) {
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uint8_t wiegand[32];
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num_to_bytebits(fc, 16, wiegand);
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num_to_bytebits(cardno, 16, wiegand + 16);
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wiegand_add_parity(out, wiegand, sizeof(wiegand));
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}
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// static void calc35(uint16_t fc, uint32_t cardno, uint8_t *out){
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// *lo = ((cardno & 0xFFFFF) << 1) | fc << 21;
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// *hi = (1 << 5) | ((fc >> 11) & 1);
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// }
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static void calc36(uint8_t oem, uint16_t fc, uint32_t cardno, uint8_t *out) {
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// FC 1 - 16 - 16 bit
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// cardno 17 - 33 - 16 bit
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// oem 34 - 35 - 2 bit
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// Odd Parity 0th bit 1-18
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// Even Parity 36th bit 19-35
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uint8_t wiegand[34];
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num_to_bytebits(fc, 16, wiegand);
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num_to_bytebits(cardno & 0xFFFF, 16, wiegand + 16);
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num_to_bytebits(oem, 2, wiegand + 32);
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wiegand_add_parity_swapped(out, wiegand, sizeof(wiegand));
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}
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static void calc37S(uint16_t fc, uint32_t cardno, uint8_t *out) {
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// FC 2 - 17 - 16 bit
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// cardno 18 - 36 - 19 bit
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// Even P1 1 - 19
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// Odd P37 19 - 36
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uint8_t wiegand[35];
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num_to_bytebits(fc, 16, wiegand);
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num_to_bytebits(cardno, 19, wiegand + 16);
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wiegand_add_parity(out, wiegand, sizeof(wiegand));
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}
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static void calc37H(uint64_t cardno, uint8_t *out) {
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// SC NONE
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// cardno 1-35 34 bits
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// Even Parity 0th bit 1-18
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// Odd Parity 36th bit 19-35
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uint8_t wiegand[37];
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num_to_bytebits((uint32_t)(cardno >> 32), 2, wiegand);
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num_to_bytebits((uint32_t)(cardno >> 0), 32, wiegand + 2);
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wiegand_add_parity(out, wiegand, sizeof(wiegand));
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PrintAndLogEx(NORMAL, "%x %x\n", (uint32_t)(cardno >> 32), (uint32_t)cardno);
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}
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// static void calc40(uint64_t cardno, uint8_t *out){
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// cardno = (cardno & 0xFFFFFFFFFF);
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// *lo = ((cardno & 0xFFFFFFFF) << 1 );
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// *hi = (cardno >> 31);
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// }
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void calcWiegand(uint8_t fmtlen, uint16_t fc, uint64_t cardno, uint8_t *bits, uint8_t oem) {
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uint32_t cn32 = (cardno & 0xFFFFFFFF);
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switch (fmtlen) {
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case 26:
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calc26(fc, cn32, bits);
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break;
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// case 33 : calc33(fc, cn32, bits); break;
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case 34:
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calc34(fc, cn32, bits);
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break;
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// case 35 : calc35(fc, cn32, bits); break;
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case 36:
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calc36(oem, fc, cn32, bits);
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break;
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case 37:
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calc37S(fc, cn32, bits);
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break;
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case 38:
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calc37H(cardno, bits);
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break;
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// case 40 : calc40(cardno, bits); break;
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// case 44 : { break; }
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// case 84 : { break; }
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default:
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break;
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}
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}
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static int CmdHIDWiegand(const char *Cmd) {
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uint32_t oem = 0, fc = 0;
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uint64_t cardnum = 0;
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uint8_t bits[BITS] = {0};
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uint8_t *bs = bits;
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uint8_t ctmp = tolower(param_getchar(Cmd, 0));
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if (strlen(Cmd) < 3 || ctmp == 'h') return usage_lf_hid_wiegand();
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oem = param_get8(Cmd, 0);
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fc = param_get32ex(Cmd, 1, 0, 10);
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cardnum = param_get64ex(Cmd, 2, 0, 10);
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uint8_t fmtlen[] = {26, 33, 34, 35, 36, 37, 38, 40};
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PrintAndLogEx(NORMAL, "HID | OEM | FC | CN | Wiegand | HID Formatted");
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PrintAndLogEx(NORMAL, "----+-----+------+---------+-----------+--------------------");
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for (uint8_t i = 0; i < ARRAYLEN(fmtlen); i++) {
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memset(bits, 0x00, sizeof(bits));
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calcWiegand(fmtlen[i], fc, cardnum, bs, oem);
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PrintAndLogEx(NORMAL, "ice:: %s \n", sprint_bin(bs, fmtlen[i]));
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uint64_t wiegand = (uint64_t)bytebits_to_byte(bs, 32) << 32 | bytebits_to_byte(bs + 32, 32);
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addHIDMarker(fmtlen[i], bs);
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PrintAndLogEx(NORMAL, "ice:: %s\n", sprint_bin(bs, BITS));
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uint64_t blocks = (uint64_t)bytebits_to_byte(bs + 32, 32) << 32 | bytebits_to_byte(bs + 64, 32);
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uint8_t shifts = 64 - fmtlen[i];
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wiegand >>= shifts;
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PrintAndLogEx(NORMAL, " %u | %03u | %03u | %" PRIu64 " | %" PRIX64 " | %" PRIX64,
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fmtlen[i],
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oem,
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@ -553,26 +362,33 @@ static int CmdHIDWiegand(const char *Cmd) {
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);
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}
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PrintAndLogEx(NORMAL, "----+-----+-----+-------+-----------+--------------------");
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return PM3_SUCCESS;
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}
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*/
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static int CmdHIDBrute(const char *Cmd) {
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bool errors = false, verbose = false;
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uint32_t fc = 0, cn = 0, delay = 1000;
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uint8_t fmtlen = 0;
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uint8_t bits[96];
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memset(bits, 0, sizeof(bits));
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uint32_t delay = 1000;
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uint8_t cmdp = 0;
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int format_idx = -1;
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char format[16] = {0};
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wiegand_card_t data;
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memset(&data, 0, sizeof(wiegand_card_t));
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while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
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switch (tolower(param_getchar(Cmd, cmdp))) {
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case 'h':
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return usage_lf_hid_brute();
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case 'f':
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fc = param_get32ex(Cmd, cmdp + 1, 0, 10);
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if (!fc)
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case 'w':
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param_getstr(Cmd, cmdp + 1, format, sizeof(format));
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format_idx = HIDFindCardFormat(format);
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if (format_idx == -1) {
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PrintAndLogEx(WARNING, "Unknown format: %s", format);
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errors = true;
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}
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cmdp += 2;
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break;
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case 'c':
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data.CardNumber = param_get32ex(Cmd, cmdp + 1, 0, 10);
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cmdp += 2;
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break;
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case 'd':
|
||||
|
|
@ -580,24 +396,17 @@ static int CmdHIDBrute(const char *Cmd) {
|
|||
delay = param_get32ex(Cmd, cmdp + 1, 1000, 10);
|
||||
cmdp += 2;
|
||||
break;
|
||||
case 'c':
|
||||
cn = param_get32ex(Cmd, cmdp + 1, 0, 10);
|
||||
// truncate cardnumber.
|
||||
cn &= 0xFFFF;
|
||||
case 'f':
|
||||
data.FacilityCode = param_get32ex(Cmd, cmdp + 1, 0, 10);
|
||||
cmdp += 2;
|
||||
break;
|
||||
case 'a':
|
||||
fmtlen = param_get8(Cmd, cmdp + 1);
|
||||
case 'i':
|
||||
data.IssueLevel = param_get32ex(Cmd, cmdp + 1, 0, 10);
|
||||
cmdp += 2;
|
||||
break;
|
||||
case 'o':
|
||||
data.OEM = param_get32ex(Cmd, cmdp + 1, 0, 10);
|
||||
cmdp += 2;
|
||||
bool is_ftm_ok = false;
|
||||
uint8_t ftms[] = {26, 33, 34, 35, 37};
|
||||
for (uint8_t i = 0; i < ARRAYLEN(ftms); i++) {
|
||||
if (ftms[i] == fmtlen) {
|
||||
is_ftm_ok = true;
|
||||
}
|
||||
}
|
||||
// negated
|
||||
errors = !is_ftm_ok;
|
||||
break;
|
||||
case 'v':
|
||||
verbose = true;
|
||||
|
|
@ -609,15 +418,11 @@ static int CmdHIDBrute(const char *Cmd) {
|
|||
break;
|
||||
}
|
||||
}
|
||||
if (fc == 0) errors = true;
|
||||
if (errors) return usage_lf_hid_brute();
|
||||
|
||||
PrintAndLogEx(INFO, "Brute-forcing HID reader");
|
||||
PrintAndLogEx(INFO, "Press pm3-button to abort simulation or run another command");
|
||||
|
||||
uint16_t up = cn;
|
||||
uint16_t down = cn;
|
||||
|
||||
// main loop
|
||||
for (;;) {
|
||||
|
||||
|
|
@ -632,13 +437,16 @@ static int CmdHIDBrute(const char *Cmd) {
|
|||
}
|
||||
|
||||
// Do one up
|
||||
if (up < 0xFFFF)
|
||||
if (sendTry(fmtlen, fc, up++, delay, bits, verbose) != PM3_SUCCESS) return PM3_ESOFT;
|
||||
if (data.CardNumber < 0xFFFF) {
|
||||
data.CardNumber++;
|
||||
if (sendTry(format_idx, &data, delay, verbose) != PM3_SUCCESS) return PM3_ESOFT;
|
||||
}
|
||||
|
||||
// Do one down (if cardnumber is given)
|
||||
if (cn > 1)
|
||||
if (down > 1)
|
||||
if (sendTry(fmtlen, fc, --down, delay, bits, verbose) != PM3_SUCCESS) return PM3_ESOFT;
|
||||
if (data.CardNumber > 1) {
|
||||
data.CardNumber--;
|
||||
if (sendTry(format_idx, &data, delay, verbose) != PM3_SUCCESS) return PM3_ESOFT;
|
||||
}
|
||||
}
|
||||
return PM3_SUCCESS;
|
||||
}
|
||||
|
|
@ -649,8 +457,8 @@ static command_t CommandTable[] = {
|
|||
{"read", CmdHIDRead, IfPm3Lf, "attempt to read and extract tag data"},
|
||||
{"clone", CmdHIDClone, IfPm3Lf, "clone HID to T55x7"},
|
||||
{"sim", CmdHIDSim, IfPm3Lf, "simulate HID tag"},
|
||||
{"wiegand", CmdHIDWiegand, AlwaysAvailable, "convert facility code/card number to Wiegand code"},
|
||||
{"brute", CmdHIDBrute, IfPm3Lf, "bruteforce card number against reader"},
|
||||
{"watch", CmdHIDWatch, IfPm3Lf, "continuously watch for cards. Reader mode"},
|
||||
{NULL, NULL, NULL, NULL}
|
||||
};
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue