--- /dev/null
+//-----------------------------------------------------------------------------
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// Low frequency Farpoint / Pyramid tag commands
+//-----------------------------------------------------------------------------
+#include <string.h>
+#include <inttypes.h>
+#include "cmdlfpyramid.h"
+static int CmdHelp(const char *Cmd);
+
+int usage_lf_pyramid_clone(void){
+ PrintAndLog("clone a Farpointe/Pyramid tag to a T55x7 tag.");
+ PrintAndLog("The facility-code is 8-bit and the card number is 16-bit. Larger values are truncated. ");
+ PrintAndLog("Currently work only on 26bit");
+ PrintAndLog("");
+ PrintAndLog("Usage: lf pyramid clone <Facility-Code> <Card-Number>");
+ PrintAndLog("Options :");
+ PrintAndLog(" <Facility-Code> : 8-bit value facility code");
+ PrintAndLog(" <Card Number> : 16-bit value card number");
+ PrintAndLog("");
+ PrintAndLog("Sample : lf pyramid clone 123 11223");
+ return 0;
+}
+
+int usage_lf_pyramid_sim(void) {
+ PrintAndLog("Enables simulation of Farpointe/Pyramid card with specified card number.");
+ PrintAndLog("Simulation runs until the button is pressed or another USB command is issued.");
+ PrintAndLog("The facility-code is 8-bit and the card number is 16-bit. Larger values are truncated.");
+ PrintAndLog("Currently work only on 26bit");
+ PrintAndLog("");
+ PrintAndLog("Usage: lf pyramid sim <Card-Number>");
+ PrintAndLog("Options :");
+ PrintAndLog(" <Facility-Code> : 8-bit value facility code");
+ PrintAndLog(" <Card Number> : 16-bit value card number");
+ PrintAndLog("");
+ PrintAndLog("Sample : lf pyramid sim 123 11223");
+ return 0;
+}
+
+// Works for 26bits.
+int GetPyramidBits(uint32_t fc, uint32_t cn, uint8_t *pyramidBits) {
+
+ uint8_t pre[128];
+ memset(pre, 0x00, sizeof(pre));
+
+ // format start bit
+ pre[79] = 1;
+
+ // Get 26 wiegand from FacilityCode, CardNumber
+ uint8_t wiegand[24];
+ memset(wiegand, 0x00, sizeof(wiegand));
+ num_to_bytebits(fc, 8, wiegand);
+ num_to_bytebits(cn, 16, wiegand+8);
+
+ // add wiegand parity bits (dest, source, len)
+ wiegand_add_parity(pre+80, wiegand, 24);
+
+ // add paritybits (bitsource, dest, sourcelen, paritylen, parityType (odd, even,)
+ addParity(pre+8, pyramidBits+8, 102, 8, 1);
+
+ // add checksum
+ uint8_t csBuff[13];
+ for (uint8_t i = 0; i < 13; i++)
+ csBuff[i] = bytebits_to_byte(pyramidBits + 16 + (i*8), 8);
+
+ uint32_t crc = CRC8Maxim(csBuff, 13);
+ num_to_bytebits(crc, 8, pyramidBits+120);
+ return 1;
+}
+
+int CmdPyramidRead(const char *Cmd) {
+ CmdLFRead("s");
+ getSamples("30000",false);
+ return CmdFSKdemodPyramid("");
+}
+
+int CmdPyramidClone(const char *Cmd) {
+
+ char cmdp = param_getchar(Cmd, 0);
+ if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_pyramid_clone();
+
+ uint32_t facilitycode=0, cardnumber=0, fc = 0, cn = 0;
+ uint32_t blocks[5];
+ uint8_t i;
+ uint8_t bs[128];
+ memset(bs, 0x00, sizeof(bs));
+
+ if (sscanf(Cmd, "%u %u", &fc, &cn ) != 2) return usage_lf_pyramid_clone();
+
+ facilitycode = (fc & 0x000000FF);
+ cardnumber = (cn & 0x0000FFFF);
+
+ if ( !GetPyramidBits(facilitycode, cardnumber, bs)) {
+ PrintAndLog("Error with tag bitstream generation.");
+ return 1;
+ }
+
+// if (param_getchar(Cmd, 3) == 'Q' || param_getchar(Cmd, 3) == 'q')
+// blocks[0] = T5555_MODULATION_FSK2 | 50<<T5555_BITRATE_SHIFT | 4<<T5555_MAXBLOCK_SHIFT;
+
+ //Pyramid - compat mode, FSK2a, data rate 50, 4 data blocks
+ blocks[0] = T55x7_MODULATION_FSK2a | T55x7_BITRATE_RF_50 | 4<<T55x7_MAXBLOCK_SHIFT;
+ blocks[1] = bytebits_to_byte(bs,32);
+ blocks[2] = bytebits_to_byte(bs+32,32);
+ blocks[3] = bytebits_to_byte(bs+64,32);
+ blocks[4] = bytebits_to_byte(bs+96,32);
+
+ PrintAndLog("Preparing to clone Farpointe/Pyramid to T55x7 with Facility Code: %u, Card Number: %u", facilitycode, cardnumber);
+ PrintAndLog("Blk | Data ");
+ PrintAndLog("----+------------");
+ for ( i = 0; i<5; ++i )
+ PrintAndLog(" %02d | %08" PRIx32, i, blocks[i]);
+
+ UsbCommand resp;
+ UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {0,0,0}};
+
+ for ( i = 0; i<5; ++i ) {
+ c.arg[0] = blocks[i];
+ c.arg[1] = i;
+ clearCommandBuffer();
+ SendCommand(&c);
+ if (!WaitForResponseTimeout(CMD_ACK, &resp, 1000)){
+ PrintAndLog("Error occurred, device did not respond during write operation.");
+ return -1;
+ }
+ }
+ return 0;
+}
+
+int CmdPyramidSim(const char *Cmd) {
+
+ char cmdp = param_getchar(Cmd, 0);
+ if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_pyramid_sim();
+
+ uint32_t facilitycode = 0, cardnumber = 0, fc = 0, cn = 0;
+
+ uint8_t bs[128];
+ size_t size = sizeof(bs);
+ memset(bs, 0x00, size);
+
+ // Pyramid uses: fcHigh: 10, fcLow: 8, clk: 50, invert: 0
+ uint64_t arg1, arg2;
+ arg1 = (10 << 8) + 8;
+ arg2 = 50 | 0;
+
+ if (sscanf(Cmd, "%u %u", &fc, &cn ) != 2) return usage_lf_pyramid_sim();
+
+ facilitycode = (fc & 0x000000FF);
+ cardnumber = (cn & 0x0000FFFF);
+
+ if ( !GetPyramidBits(facilitycode, cardnumber, bs)) {
+ PrintAndLog("Error with tag bitstream generation.");
+ return 1;
+ }
+
+ PrintAndLog("Simulating Farpointe/Pyramid - Facility Code: %u, CardNumber: %u", facilitycode, cardnumber );
+
+ UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, size}};
+ memcpy(c.d.asBytes, bs, size);
+ clearCommandBuffer();
+ SendCommand(&c);
+ return 0;
+}
+
+static command_t CommandTable[] = {
+ {"help", CmdHelp, 1, "This help"},
+ {"read", CmdPyramidRead, 0, "Attempt to read and extract tag data"},
+ {"clone", CmdPyramidClone, 0, "<Facility-Code> <Card Number> clone pyramid tag"},
+ {"sim", CmdPyramidSim, 0, "<Facility-Code> <Card Number> simulate pyramid tag"},
+ {NULL, NULL, 0, NULL}
+};
+
+int CmdLFPyramid(const char *Cmd) {
+ clearCommandBuffer();
+ CmdsParse(CommandTable, Cmd);
+ return 0;
+}
+
+int CmdHelp(const char *Cmd) {
+ CmdsHelp(CommandTable);
+ return 0;
+}
projects / proxmark3-svn / blobdiff