+int usage_lf_em410x_brute(void) {
+ PrintAndLog("Bruteforcing by emulating EM410x tag");
+ PrintAndLog("");
+ PrintAndLog("Usage: lf em 410xbrute [h] ids.txt");
+ PrintAndLog("Options:");
+ PrintAndLog(" h - this help");
+ PrintAndLog(" ids.txt - file with id in HEX format one per line");
+ PrintAndLog(" clock - clock (32|64) (optional)");
+ PrintAndLog("samples:");
+ PrintAndLog(" lf em 410xbrute ids.txt");
+ PrintAndLog(" lf em 410xbrute ids.txt 32");
+ return 0;
+}
+
+int CmdEM410xBrute(const char *Cmd)
+{
+ char filename[FILE_PATH_SIZE]={0};
+ FILE *f = NULL;
+ char buf[11];
+ int i, n, j, binary[4], parity[4];
+
+ char cmdp = param_getchar(Cmd, 0);
+ uint8_t uid[5] = {0x00};
+
+ if (cmdp == 'h' || cmdp == 'H') return usage_lf_em410x_sim();
+ /* clock is 64 in EM410x tags */
+ uint8_t clock = 64;
+
+ param_getdec(Cmd,1, &clock);
+
+ param_getstr(Cmd, 0, filename);
+
+ if (strlen(filename) > 0) {
+ if ((f = fopen(filename, "r")) == NULL) {
+ PrintAndLog("Error: Could not open IDs file [%s]",filename);
+ return 1;
+ }
+ } else {
+ PrintAndLog("Error: Please specify a filename");
+ return 1;
+ }
+
+
+ while( fgets(buf, sizeof(buf), f) ) {
+ msleep(1000);
+ if (strlen(buf) < 10 || buf[9] == '\n') continue;
+ while (fgetc(f) != '\n' && !feof(f)); //goto next line
+
+ //The line start with # is comment, skip
+ if( buf[0]=='#' ) continue;
+
+ buf[10] = 0;
+ //PrintAndLog("ID: %s", buf);
+
+ if (param_gethex(buf, 0, uid, 10)) {
+ PrintAndLog("UID must include 10 HEX symbols");
+ return 0;
+ }
+
+ PrintAndLog("Starting simulating UID %02X%02X%02X%02X%02X clock: %d", uid[0],uid[1],uid[2],uid[3],uid[4],clock);
+
+ /* clear our graph */
+ ClearGraph(0);
+
+ /* write 9 start bits */
+ for (i = 0; i < 9; i++)
+ AppendGraph(0, clock, 1);
+
+ /* for each hex char */
+ parity[0] = parity[1] = parity[2] = parity[3] = 0;
+ for (i = 0; i < 10; i++)
+ {
+ /* read each hex char */
+ sscanf(&buf[i], "%1x", &n);
+ for (j = 3; j >= 0; j--, n/= 2)
+ binary[j] = n % 2;
+
+ /* append each bit */
+ AppendGraph(0, clock, binary[0]);
+ AppendGraph(0, clock, binary[1]);
+ AppendGraph(0, clock, binary[2]);
+ AppendGraph(0, clock, binary[3]);
+
+ /* append parity bit */
+ AppendGraph(0, clock, binary[0] ^ binary[1] ^ binary[2] ^ binary[3]);
+
+ /* keep track of column parity */
+ parity[0] ^= binary[0];
+ parity[1] ^= binary[1];
+ parity[2] ^= binary[2];
+ parity[3] ^= binary[3];
+ }
+
+ /* parity columns */
+ AppendGraph(0, clock, parity[0]);
+ AppendGraph(0, clock, parity[1]);
+ AppendGraph(0, clock, parity[2]);
+ AppendGraph(0, clock, parity[3]);
+
+ /* stop bit */
+ AppendGraph(1, clock, 0);
+
+ CmdLFSim("0"); //240 start_gap.
+
+ memset(buf, 0, sizeof(buf));
+
+ }
+
+ fclose(f);
+
+ return 0;
+}
+
+
projects / proxmark3-svn / blobdiff