\r
\r
int CmdHF14AMfSniff(const char *Cmd){\r
- // params\r
+\r
bool wantLogToFile = 0;\r
bool wantDecrypt = 0;\r
//bool wantSaveToEml = 0; TODO\r
uint8_t atqa[2];\r
uint8_t sak;\r
bool isTag;\r
- uint32_t parity;\r
uint8_t buf[3000];\r
uint8_t * bufPtr = buf;\r
memset(buf, 0x00, 3000);\r
PrintAndLog(" l - save encrypted sequence to logfile `uid.log`");\r
PrintAndLog(" d - decrypt sequence and put it to log file `uid.log`");\r
PrintAndLog(" n/a e - decrypt sequence, collect read and write commands and save the result of the sequence to emulator memory");\r
- PrintAndLog(" r - decrypt sequence, collect read and write commands and save the result of the sequence to emulator dump file `uid.eml`");\r
- PrintAndLog("Usage: hf mf sniff [l][d][e][r]");\r
+ PrintAndLog(" f - decrypt sequence, collect read and write commands and save the result of the sequence to emulator dump file `uid.eml`");\r
+ PrintAndLog("Usage: hf mf sniff [l][d][e][f]");\r
PrintAndLog(" sample: hf mf sniff l d e");\r
return 0;\r
} \r
printf(">\n");\r
PrintAndLog("received trace len: %d packages: %d", blockLen, pckNum);\r
num = 0;\r
- while (bufPtr - buf + 9 < blockLen) {\r
- isTag = bufPtr[3] & 0x80 ? true:false;\r
- bufPtr += 4;\r
- parity = *((uint32_t *)(bufPtr));\r
- bufPtr += 4;\r
- len = bufPtr[0];\r
- bufPtr++;\r
- if ((len == 14) && (bufPtr[0] == 0xff) && (bufPtr[1] == 0xff)) {\r
+ while (bufPtr - buf < blockLen) {\r
+ bufPtr += 6;\r
+ len = *((uint16_t *)bufPtr);\r
+\r
+ if(len & 0x8000) {\r
+ isTag = true;\r
+ len &= 0x7fff;\r
+ } else {\r
+ isTag = false;\r
+ }\r
+ bufPtr += 2;\r
+ if ((len == 14) && (bufPtr[0] == 0xff) && (bufPtr[1] == 0xff) && (bufPtr[12] == 0xff) && (bufPtr[13] == 0xff)) {\r
+ \r
memcpy(uid, bufPtr + 2, 7);\r
memcpy(atqa, bufPtr + 2 + 7, 2);\r
uid_len = (atqa[0] & 0xC0) == 0x40 ? 7 : 4;\r
if (wantLogToFile) \r
AddLogHex(logHexFileName, isTag ? "TAG: ":"RDR: ", bufPtr, len);\r
if (wantDecrypt) \r
- mfTraceDecode(bufPtr, len, parity, wantSaveToEmlFile);\r
+ mfTraceDecode(bufPtr, len, wantSaveToEmlFile);\r
}\r
bufPtr += len;\r
+ bufPtr += ((len-1)/8+1); // ignore parity\r
num++;\r
}\r
}\r
return -1;\r
}\r
\r
-\r
-\r
-\r
static command_t CommandTable[] =\r
{\r
{"help", CmdHelp, 1, "This help"},\r