mirror of
https://github.com/RfidResearchGroup/proxmark3.git
synced 2025-01-31 12:31:32 +08:00
ADD: Started to add a Presco LF clone functionality. Can calc Wiegand from printed number.
This commit is contained in:
iceman1001
parent
6bb7609cad
commit
5a6e19e614
5 changed files with 233 additions and 3 deletions
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@ -143,7 +143,8 @@ CMDSRCS = nonce2key/crapto1.c\
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tea.c\
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prng.c\
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radixsort.c\
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bucketsort.c
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bucketsort.c\
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cmdlfpresco.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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@ -31,6 +31,7 @@
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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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static int CmdHelp(const char *Cmd);
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int usage_lf_cmdread(void) {
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@ -1212,13 +1213,13 @@ static command_t CommandTable[] =
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{"em4x", CmdLFEM4X, 1, "{ EM4X 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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{"io", CmdLFIO, 1, "{ IOPROX RFIDs... }"},
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{"pcf7931", CmdLFPCF7931, 1, "{ PCF7931 RFIDs... }"},
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{"presco", CmdLFPresco, 1, "{ Presco RFIDs... }"},
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{"ti", CmdLFTI, 1, "{ TI RFIDs... }"},
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{"t55xx", CmdLFT55XX, 1, "{ T55X7 RFIDs... }"},
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{"viking", CmdLFViking, 1, "{ Viking RFIDs... }"},
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{"config", CmdLFSetConfig, 0, "Set config for LF sampling, bit/sample, decimation, frequency"},
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{"cmdread", CmdLFCommandRead, 0, "<off period> <'0' period> <'1' period> <command> ['h' 134] \n\t\t-- Modulate LF reader field to send command before read (all periods in microseconds)"},
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{"flexdemod", CmdFlexdemod, 1, "Demodulate samples for FlexPass"},
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{"indalademod", CmdIndalaDemod, 1, "['224'] -- Demodulate samples for Indala 64 bit UID (option '224' for 224 bit)"},
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197
client/cmdlfpresco.c
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197
client/cmdlfpresco.c
Normal file
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@ -0,0 +1,197 @@
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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 Presco 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 "cmdlfpresco.h"
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static int CmdHelp(const char *Cmd);
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int usage_lf_presco_clone(void){
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PrintAndLog("clone a Presco tag to a T55x7 tag.");
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PrintAndLog("Usage: lf presco clone <Card ID - 9 digits> <Q5>");
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PrintAndLog("Options :");
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PrintAndLog(" <Card Number> : 9 digit presco card number");
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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 presco clone 123456789");
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return 0;
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}
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int usage_lf_presco_sim(void) {
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PrintAndLog("Enables simulation of presco 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("Per presco format, the card number is 9 digit number and can contain *# chars. Larger values are truncated.");
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PrintAndLog("");
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PrintAndLog("Usage: lf presco sim <Card-Number>");
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PrintAndLog("Options :");
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PrintAndLog(" <Card Number> : 9 digit presco card number");
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PrintAndLog("");
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PrintAndLog("Sample : lf presco sim 123456789");
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return 0;
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}
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// calc checksum
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int GetWiegandFromPresco(const char *id, uint32_t *sitecode, uint32_t *usercode) {
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uint8_t val = 0;
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for (int index =0; index < strlen(id); ++index) {
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// Get value from number string.
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if ( id[index] == '*' ) val = 10;
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if ( id[index] == '#') val = 11;
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if ( id[index] >= 0x30 && id[index] <= 0x39 )
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val = id[index] - 0x30;
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*sitecode += val;
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// last digit is only added, not multipled.
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if ( index < strlen(id)-1 )
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*sitecode *= 12;
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}
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*usercode = *sitecode % 65536;
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*sitecode /= 16777216;
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return 0;
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}
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int GetPrescoBits(uint32_t sitecode, uint32_t usercode, uint8_t *prescoBits) {
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uint8_t pre[66];
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memset(pre, 0, sizeof(pre));
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prescoBits[7]=1;
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num_to_bytebits(26, 8, pre);
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uint8_t wiegand[24];
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num_to_bytebits(sitecode, 8, wiegand);
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num_to_bytebits(usercode, 16, wiegand+8);
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wiegand_add_parity(pre+8, wiegand, 24);
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size_t bitLen = addParity(pre, prescoBits+8, 66, 4, 1);
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if (bitLen != 88) return 0;
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return 1;
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}
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//see ASKDemod for what args are accepted
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int CmdPrescoRead(const char *Cmd) {
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PrintAndLog("Number: 123456789 --> Sitecode 30 | usercode 8665");
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// GetWiegandFromPresco("123456789");
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// read lf silently
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//CmdLFRead("s");
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// get samples silently
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//getSamples("30000",false);
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// demod and output viking ID
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//return CmdVikingDemod(Cmd);
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return 0;
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}
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int CmdPrescoClone(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_presco_clone();
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uint32_t sitecode=0, usercode=0;
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uint8_t bits[96];
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uint8_t *bs = bits;
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memset(bs,0,sizeof(bits));
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uint32_t blocks[5] = {T55x7_MODULATION_MANCHESTER | T55x7_BITRATE_RF_32 | 4<<T55x7_MAXBLOCK_SHIFT | T55x7_ST_TERMINATOR, 0, 0, 0, 5};
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if (param_getchar(Cmd, 3) == 'Q' || param_getchar(Cmd, 3) == 'q')
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blocks[0] = T5555_MODULATION_MANCHESTER | 32<<T5555_BITRATE_SHIFT | 4<<T5555_MAXBLOCK_SHIFT | T5555_ST_TERMINATOR;
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// get wiegand from printed number.
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GetWiegandFromPresco(Cmd, &sitecode, &usercode);
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if ((sitecode & 0xFF) != sitecode) {
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sitecode &= 0xFF;
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PrintAndLog("Facility-Code Truncated to 8-bits (Presco): %u", sitecode);
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}
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if ((usercode & 0xFFFF) != usercode) {
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usercode &= 0xFFFF;
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PrintAndLog("Card Number Truncated to 16-bits (Presco): %u", usercode);
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}
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if ( !GetPrescoBits(sitecode, usercode, 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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blocks[4] = bytebits_to_byte(bs+96,32);
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PrintAndLog("Preparing to clone Presco to T55x7 with SiteCode: %u, UserCode: %u", sitecode, usercode);
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PrintAndLog("Blk | Data ");
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PrintAndLog("----+------------");
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PrintAndLog(" 00 | 0x%08x", blocks[0]);
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PrintAndLog(" 01 | 0x%08x", blocks[1]);
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PrintAndLog(" 02 | 0x%08x", blocks[2]);
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PrintAndLog(" 03 | 0x%08x", blocks[3]);
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PrintAndLog(" 04 | 0x%08x", blocks[4]);
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// UsbCommand resp;
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// UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {0,0,0}};
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// for (uint8_t 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 CmdPrescoSim(const char *Cmd) {
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// uint32_t id = 0;
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// uint64_t rawID = 0;
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// uint8_t clk = 32, encoding = 1, separator = 0, invert = 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_presco_sim();
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// id = param_get32ex(Cmd, 0, 0, 16);
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// if (id == 0) return usage_lf_presco_sim();
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//rawID = getVikingBits(id);
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// uint16_t arg1, arg2;
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// size_t size = 64;
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// arg1 = clk << 8 | encoding;
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// arg2 = invert << 8 | separator;
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// PrintAndLog("Simulating - ID: %08X, Raw: %08X%08X",id,(uint32_t)(rawID >> 32),(uint32_t) (rawID & 0xFFFFFFFF));
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// UsbCommand c = {CMD_ASK_SIM_TAG, {arg1, arg2, size}};
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// num_to_bytebits(rawID, size, c.d.asBytes);
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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", CmdPrescoRead, 0, "Attempt to read and Extract tag data"},
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{"clone", CmdPrescoClone, 0, "<8 digit ID number> clone presco tag"},
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// {"sim", CmdPrescoSim, 0, "<8 digit ID number> simulate presco tag"},
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{NULL, NULL, 0, NULL}
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};
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int CmdLFPresco(const char *Cmd) {
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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/cmdlfpresco.h
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30
client/cmdlfpresco.h
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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 CMDLFPRESCO_H__
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#define CMDLFPRESCO_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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int CmdLFPresco(const char *Cmd);
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int CmdPrescoClone(const char *Cmd);
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//int CmdPrescoSim(const char *Cmd);
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int usage_lf_presco_clone(void);
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int usage_lf_presco_sim(void);
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int GetWiegandFromPresco(const char *id, uint32_t *sitecode, uint32_t *usercode);
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#endif
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@ -30,6 +30,7 @@
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#define T55X7_VIKING_CONFIG_BLOCK 0x00088040 // compat mode, data rate 32, Manchester, 2 data blocks
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#define T55X7_NORALYS_CONFIG_BLOCK 0x00088C6A // compat mode, (NORALYS - KCP3000)
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#define T55X7_IOPROX_CONFIG_BLOCK 0x00147040 // maxblock 2
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#define T55X7_PRESCO_CONFIG_BLOCK 0x00088088 // data rate 32, Manchester, 5 data blocks, STT
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#define T55X7_bin 0b0010
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#define T5555_DEFAULT_CONFIG_BLOCK 0x6001F004 // data rate 64 , ask, manchester, 2 data blocks?
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