+//refactored by marshmellow
+int getAWIDBits(uint32_t fc, uint32_t cn, uint8_t *AWIDBits) {
+ uint8_t pre[66];
+ memset(pre, 0, sizeof(pre));
+ AWIDBits[7]=1;
+ num_to_bytebits(26, 8, pre);
+
+ uint8_t wiegand[24];
+ num_to_bytebits(fc, 8, wiegand);
+ num_to_bytebits(cn, 16, wiegand+8);
+
+ wiegand_add_parity(pre+8, wiegand, 24);
+
+ size_t bitLen = addParity(pre, AWIDBits+8, 66, 4, 1);
+ if (bitLen != 88) return 0;
+ //for (uint8_t i = 0; i<3; i++){
+ // PrintAndLog("DEBUG: %08X", bytebits_to_byte(AWIDBits+(32*i),32));
+ //}
+ return 1;
+}
+
+int CmdAWIDSim(const char *Cmd) {
+ uint32_t fcode = 0, cnum = 0, fc=0, cn=0;
+ uint8_t BitStream[96];
+ uint8_t *bs = BitStream;
+ size_t size = sizeof(BitStream);
+ memset(bs, 0, size);
+
+ uint64_t arg1 = (10<<8) + 8; // fcHigh = 10, fcLow = 8
+ uint64_t arg2 = 50; // clk RF/50 invert=0
+
+ if (sscanf(Cmd, "%u %u", &fc, &cn ) != 2) return usage_lf_awid_sim();
+
+ fcode = (fc & 0x000000FF);
+ cnum = (cn & 0x0000FFFF);
+
+ if (fc != fcode) PrintAndLog("Facility-Code (%u) truncated to 8-bits: %u",fc,fcode);
+ if (cn != cnum) PrintAndLog("Card number (%u) truncated to 16-bits: %u",cn,cnum);
+
+ PrintAndLog("Emulating AWID26 -- FC: %u; CN: %u\n",fcode,cnum);
+ PrintAndLog("Press pm3-button to abort simulation or run another command");
+
+ if (!getAWIDBits(fc, cn, bs)) {
+ PrintAndLog("Error with tag bitstream generation.");
+ return 1;
+ }
+ // AWID uses: fcHigh: 10, fcLow: 8, clk: 50, invert: 0
+ UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, size}};
+ memcpy(c.d.asBytes, bs, size);
+ clearCommandBuffer();
+ SendCommand(&c);
+ return 0;
+}
+
+int CmdAWIDClone(const char *Cmd) {
+ uint32_t blocks[4] = {T55x7_MODULATION_FSK2a | T55x7_BITRATE_RF_50 | 3<<T55x7_MAXBLOCK_SHIFT, 0, 0, 0};
+ uint32_t fc=0,cn=0;
+ uint8_t BitStream[96];
+ uint8_t *bs=BitStream;
+ memset(bs,0,sizeof(BitStream));
+
+ if (sscanf(Cmd, "%u %u", &fc, &cn ) != 2) return usage_lf_awid_clone();
+
+ if (param_getchar(Cmd, 3) == 'Q' || param_getchar(Cmd, 3) == 'q')
+ blocks[0] = T5555_MODULATION_FSK2 | T5555_INVERT_OUTPUT | ((50-2)>>1)<<T5555_BITRATE_SHIFT | 3<<T5555_MAXBLOCK_SHIFT;
+
+ if ((fc & 0xFF) != fc) {
+ fc &= 0xFF;
+ PrintAndLog("Facility-Code Truncated to 8-bits (AWID26): %u", fc);
+ }
+ if ((cn & 0xFFFF) != cn) {
+ cn &= 0xFFFF;
+ PrintAndLog("Card Number Truncated to 16-bits (AWID26): %u", cn);
+ }
+
+ if ( !getAWIDBits(fc, cn, bs)) {
+ PrintAndLog("Error with tag bitstream generation.");
+ return 1;
+ }
+
+ blocks[1] = bytebits_to_byte(bs,32);
+ blocks[2] = bytebits_to_byte(bs+32,32);
+ blocks[3] = bytebits_to_byte(bs+64,32);
+
+ PrintAndLog("Preparing to clone AWID26 to T55x7 with FC: %u, CN: %u",
+ fc, cn);
+ PrintAndLog("Blk | Data ");
+ PrintAndLog("----+------------");
+ PrintAndLog(" 00 | 0x%08x", blocks[0]);
+ PrintAndLog(" 01 | 0x%08x", blocks[1]);
+ PrintAndLog(" 02 | 0x%08x", blocks[2]);
+ PrintAndLog(" 03 | 0x%08x", blocks[3]);
+
+ UsbCommand resp;
+ UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {0,0,0}};
+
+ for (uint8_t i=0; i<4; i++) {
+ c.cmd = CMD_T55XX_WRITE_BLOCK;
+ c.arg[0] = blocks[i];
+ c.arg[1] = i;
+ c.arg[2] = 0;
+ clearCommandBuffer();
+ SendCommand(&c);
+ if (!WaitForResponseTimeout(CMD_ACK, &resp, 1000)){
+ PrintAndLog("Error occurred, device did not respond during write operation.");
+ return -1;
+ }
+
+ }
+ return 0;
+}
+
+static command_t CommandTable[] = {
+ {"help", CmdHelp, 1, "This help"},
+ {"demod", CmdFSKdemodAWID, 1, "Demodulate an AWID FSK tag from the GraphBuffer"},
+ {"read", CmdAWIDReadFSK, 0, "['1'] Realtime AWID FSK read from the antenna (option '1' for one tag only)"},
+ {"sim", CmdAWIDSim, 0, "<Facility-Code> <Card Number> -- AWID tag simulator"},
+ {"clone", CmdAWIDClone, 0, "<Facility-Code> <Card Number> <Q5> -- Clone AWID to T55x7 (tag must be in range of antenna)"},
+ {NULL, NULL, 0, NULL}
projects / proxmark3-svn / blobdiff