+ uint8_t dataLen=0;
+ uint8_t cmdp =0;
+ uint8_t *key= NULL;
+ size_t fileNlen = 0;
+ bool errors = FALSE;
+
+ while(param_getchar(Cmd, cmdp) != 0x00)
+ {
+ switch(param_getchar(Cmd, cmdp))
+ {
+ case 'h':
+ case 'H':
+ return usage_hf_mfu_dump();
+ case 'k':
+ case 'K':
+ dataLen = param_gethex(Cmd, cmdp+1, data, 32);
+ if (dataLen) {
+ errors = true;
+ } else {
+ key = SwapEndian64(data, 16);
+ PrintAndLog("3des key: %s",sprint_hex(key, 16));
+ }
+ cmdp += 2;
+ hasPwd = true;
+ break;
+ case 'n':
+ case 'N':
+ fileNlen = param_getstr(Cmd, cmdp+1, filename);
+ if (!fileNlen) errors = true;
+ if (fileNlen > FILE_PATH_SIZE-5) fileNlen = FILE_PATH_SIZE-5;
+ cmdp += 2;
+ break;
+ default:
+ PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
+ errors = true;
+ break;
+ }
+ if(errors) break;
+ }
+
+ //Validations
+ if(errors)
+ {
+ return usage_hf_mfu_dump();
+ }