mirror of
https://github.com/Proxmark/proxmark3.git
synced 2025-08-14 02:26:59 -07:00
add iceman1001 s lf visa2000 commands
-reset my fork due to corruption - now add back in the lf visa commands... also adjusts lfdemod all detect clock functions to always return a starting point of the clock detected ( for graphing purposes)
This commit is contained in:
marshmellow42
parent
300bb58ac1
commit
8b6abef506
8 changed files with 377 additions and 73 deletions
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@ -90,23 +90,24 @@ CMDSRCS = nonce2key/crapto1.c\
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cmdhftopaz.c \
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cmdhw.c \
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cmdlf.c \
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cmdlfio.c \
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cmdlfhid.c \
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cmdlfawid.c \
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cmdlfcotag.c\
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cmdlfem4x.c \
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cmdlfhid.c \
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cmdlfhitag.c \
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cmdlfti.c \
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cmdparser.c \
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cmdmain.c \
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cmdlft55xx.c \
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cmdlfio.c \
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cmdlfpcf7931.c\
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cmdlfviking.c\
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cmdlfpresco.c\
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cmdlfpyramid.c\
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cmdlfcotag.c\
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pm3_binlib.c\
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cmdlft55xx.c \
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cmdlfti.c \
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cmdlfviking.c\
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cmdlfvisa2000.c\
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cmdparser.c \
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cmdmain.c \
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scripting.c\
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cmdscript.c\
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pm3_binlib.c\
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pm3_bitlib.c\
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aes.c\
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protocols.c\
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@ -34,6 +34,7 @@
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#include "cmdlfpyramid.h"// for pyramid menu
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#include "cmdlfviking.h" // for viking menu
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#include "cmdlfcotag.h" // for COTAG menu
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#include "cmdlfvisa2000.h" // for VISA2000 menu
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bool g_lf_threshold_set = false;
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static int CmdHelp(const char *Cmd);
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@ -1195,6 +1196,12 @@ int CmdLFfind(const char *Cmd)
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return CheckChipType(cmdp);
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}
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ans=CmdVisa2kDemod("");
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if (ans>0) {
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PrintAndLog("\nValid Visa2000 ID Found!");
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return CheckChipType(cmdp);
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}
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ans=CmdG_Prox_II_Demod("");
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if (ans>0) {
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PrintAndLog("\nValid G Prox II ID Found!");
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@ -1274,12 +1281,13 @@ static command_t CommandTable[] =
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{"hid", CmdLFHID, 1, "{ HID RFIDs... }"},
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{"hitag", CmdLFHitag, 1, "{ Hitag tags and transponders... }"},
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{"io", CmdLFIO, 1, "{ ioProx tags... }"},
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{"presco", CmdLFPresco, 1, "{ Presco RFIDs... }"},
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{"presco", CmdLFPresco, 1, "{ Presco RFIDs... }"},
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{"pcf7931", CmdLFPCF7931, 1, "{ PCF7931 RFIDs... }"},
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{"pyramid", CmdLFPyramid, 1, "{ Farpointe/Pyramid RFIDs... }"},
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{"t55xx", CmdLFT55XX, 1, "{ T55xx RFIDs... }"},
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{"ti", CmdLFTI, 1, "{ TI RFIDs... }"},
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{"viking", CmdLFViking, 1, "{ Viking tags... }"},
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{"visa2000", CmdLFVisa2k, 1, "{ Visa2000 RFIDs...}"},
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{"cmdread", CmdLFCommandRead, 0, "<d period> <z period> <o period> <c command> ['H'] -- Modulate LF reader field to send command before read (all periods in microseconds) (option 'H' for 134)"},
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{"config", CmdLFSetConfig, 0, "Set config for LF sampling, bit/sample, decimation, frequency"},
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{"flexdemod", CmdFlexdemod, 1, "Demodulate samples for FlexPass"},
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239
client/cmdlfvisa2000.c
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239
client/cmdlfvisa2000.c
Normal file
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@ -0,0 +1,239 @@
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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 visa 200 tag commands
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// by iceman
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//-----------------------------------------------------------------------------
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#include "cmdlfvisa2000.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 "cmddata.h" // for ASKDemod_ext, g_debugMode, DemodBuffer ...
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#include "cmdmain.h" // for clearCommandBuffer and WaitForResponseTimeout
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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" // for Visa2kDemod_AM
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#define BL0CK1 0x56495332
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static int CmdHelp(const char *Cmd);
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int usage_lf_visa2k_clone(void){
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PrintAndLog("clone a Visa2000 tag to a T55x7 tag.");
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PrintAndLog("Usage: lf visa2k clone [h] <card ID> <Q5>");
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PrintAndLog("Options:");
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PrintAndLog(" h : This help");
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PrintAndLog(" <card ID> : Visa2k card ID");
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PrintAndLog(" <Q5> : specify write to Q5 (t5555 instead of t55x7)");
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PrintAndLog("");
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PrintAndLog("Sample: lf visa2k clone 112233");
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return 0;
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}
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int usage_lf_visa2k_sim(void) {
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PrintAndLog("Enables simulation of visa2k 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("");
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PrintAndLog("Usage: lf visa2k sim [h] <card ID>");
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PrintAndLog("Options:");
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PrintAndLog(" h : This help");
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PrintAndLog(" <card ID> : Visa2k card ID");
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PrintAndLog("");
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PrintAndLog("Sample: lf visa2k sim 112233");
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return 0;
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}
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static uint8_t visa_chksum( uint32_t id ) {
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uint8_t sum = 0;
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for (uint8_t i = 0; i < 32; i += 4)
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sum ^= (id >> i) & 0xF;
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return sum;
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}
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static uint8_t visa_parity( uint32_t id) {
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// 4bit parity LUT
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uint8_t par_lut[] = {
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0,1,1,0
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,1,0,0,1
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,1,0,0,1
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,0,1,1,0
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};
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uint8_t par = 0;
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par |= par_lut[ (id >> 28) & 0xF ] << 7;
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par |= par_lut[ (id >> 24) & 0xF ] << 6;
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par |= par_lut[ (id >> 20) & 0xF ] << 5;
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par |= par_lut[ (id >> 16) & 0xF ] << 4;
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par |= par_lut[ (id >> 12) & 0xF ] << 3;
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par |= par_lut[ (id >> 8) & 0xF ] << 2;
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par |= par_lut[ (id >> 4) & 0xF ] << 1;
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par |= par_lut[ (id & 0xF) ];
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return par;
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}
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/**
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*
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* 56495332 00096ebd 00000077 —> tag id 618173
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* aaaaaaaa iiiiiiii -----..c
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*
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* a = fixed value ascii 'VIS2'
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* i = card id
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* c = checksum (xor of card id)
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* . = unknown
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*
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**/
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//see ASKDemod for what args are accepted
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int CmdVisa2kDemod(const char *Cmd) {
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//sCmdAskEdgeDetect("");
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//ASK / Manchester
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bool st = true;
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if (!ASKDemod_ext("64 0 0", false, false, 1, &st)) {
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if (g_debugMode) PrintAndLog("DEBUG: Error - Visa2k: ASK/Manchester Demod failed");
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return 0;
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}
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size_t size = DemodBufferLen;
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int ans = Visa2kDemod_AM(DemodBuffer, &size);
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if (ans < 0){
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if (g_debugMode){
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if (ans == -1)
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PrintAndLog("DEBUG: Error - Visa2k: too few bits found");
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else if (ans == -2)
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PrintAndLog("DEBUG: Error - Visa2k: preamble not found");
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else if (ans == -3)
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PrintAndLog("DEBUG: Error - Visa2k: Size not correct: %d", size);
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else
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PrintAndLog("DEBUG: Error - Visa2k: ans: %d", ans);
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}
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return 0;
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}
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setDemodBuf(DemodBuffer, 96, ans);
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//setGrid_Clock(64);
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//got a good demod
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uint32_t raw1 = bytebits_to_byte(DemodBuffer, 32);
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uint32_t raw2 = bytebits_to_byte(DemodBuffer+32, 32);
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uint32_t raw3 = bytebits_to_byte(DemodBuffer+64, 32);
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// chksum
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uint8_t calc = visa_chksum(raw2);
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uint8_t chk = raw3 & 0xF;
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// test checksums
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if ( chk != calc ) {
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printf("DEBUG: error: Visa2000 checksum failed %x - %x\n", chk, calc);
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return 0;
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}
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// parity
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uint8_t calc_par = visa_parity(raw2);
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uint8_t chk_par = (raw3 & 0xFF0) >> 4;
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if ( calc_par != chk_par) {
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printf("DEBUG: error: Visa2000 parity failed %x - %x\n", chk_par, calc_par);
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return 0;
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}
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PrintAndLog("Visa2000 Tag Found: Card ID %u, Raw: %08X%08X%08X", raw2, raw1 ,raw2, raw3);
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return 1;
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}
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int CmdVisa2kRead(const char *Cmd) {
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CmdLFRead("s");
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//64*96*2=12288 samples just in case we just missed the first preamble we can still catch 2 of them
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getSamples("12500",true);
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return CmdVisa2kDemod(Cmd);
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}
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int CmdVisa2kClone(const char *Cmd) {
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uint64_t id = 0;
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uint32_t blocks[4] = {T55x7_MODULATION_MANCHESTER | T55x7_BITRATE_RF_64 | T55x7_ST_TERMINATOR | 3 << T55x7_MAXBLOCK_SHIFT, BL0CK1, 0};
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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_visa2k_clone();
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id = param_get32ex(Cmd, 0, 0, 10);
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//Q5
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if (param_getchar(Cmd, 1) == 'Q' || param_getchar(Cmd, 1) == 'q') {
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//t5555 (Q5) BITRATE = (RF-2)/2 (iceman)
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blocks[0] = T5555_MODULATION_MANCHESTER | ((64-2)>>1) << T5555_BITRATE_SHIFT | T5555_ST_TERMINATOR | 3 << T5555_MAXBLOCK_SHIFT;
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}
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blocks[2] = id;
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blocks[3] = (visa_parity(id) << 4) | visa_chksum(id);
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PrintAndLog("Preparing to clone Visa2000 to T55x7 with CardId: %u", id);
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PrintAndLog("Blk | Data ");
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PrintAndLog("----+------------");
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for(int i = 0; i<4; ++i)
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PrintAndLog(" %02d | 0x%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 (int i = 3; i >= 0; --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, T55XX_WRITE_TIMEOUT)){
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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 CmdVisa2kSim(const char *Cmd) {
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uint32_t id = 0;
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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_visa2k_sim();
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id = param_get32ex(Cmd, 0, 0, 10);
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uint8_t clk = 64, encoding = 1, separator = 1, invert = 0;
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uint16_t arg1, arg2;
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size_t size = 96;
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arg1 = clk << 8 | encoding;
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arg2 = invert << 8 | separator;
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PrintAndLog("Simulating Visa2000 - CardId: %u", id);
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UsbCommand c = {CMD_ASK_SIM_TAG, {arg1, arg2, size}};
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uint32_t blocks[3] = { BL0CK1, id, (visa_parity(id) << 4) | visa_chksum(id) };
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for(int i=0; i<3; ++i)
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num_to_bytebits(blocks[i], 32, c.d.asBytes + i*32);
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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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{"demod", CmdVisa2kDemod, 1, "Attempt to demod from GraphBuffer"},
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{"read", CmdVisa2kRead, 0, "Attempt to read and extract tag data"},
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{"clone", CmdVisa2kClone, 0, "clone Visa2000 tag"},
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{"sim", CmdVisa2kSim, 0, "simulate Visa2000 tag"},
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{NULL, NULL, 0, NULL}
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};
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int CmdLFVisa2k(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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19
client/cmdlfvisa2000.h
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19
client/cmdlfvisa2000.h
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@ -0,0 +1,19 @@
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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 CMDLFVISA2000_H__
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#define CMDLFVISA2000_H__
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#include <inttypes.h>
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extern int CmdLFVisa2k(const char *Cmd);
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extern int CmdVisa2kClone(const char *Cmd);
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extern int CmdVisa2kSim(const char *Cmd);
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extern int CmdVisa2kRead(const char *Cmd);
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extern int CmdVisa2kDemod(const char *Cmd);
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#endif
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