+ bool errors = false;
+ bool hasAuthKey = false;
+ uint8_t cmdp = 0;
+ uint8_t datalen = 0;
+ uint8_t authenticationkey[16] = {0x00};
+ uint8_t pack[4] = {0,0,0,0};
+
+ while(param_getchar(Cmd, cmdp) != 0x00)
+ {
+ switch(param_getchar(Cmd, cmdp))
+ {
+ case 'h':
+ case 'H':
+ return usage_hf_mfu_info();
+ case 'k':
+ case 'K':
+ // EV1/NTAG size key
+ datalen = param_gethex(Cmd, cmdp+1, data, 8);
+ if ( !datalen ) {
+ memcpy(authenticationkey, data, 4);
+ cmdp += 2;
+ hasAuthKey = true;
+ break;
+ }
+ // UL-C size key
+ datalen = param_gethex(Cmd, cmdp+1, data, 32);
+ if (!datalen){
+ memcpy(authenticationkey, data, 16);
+ cmdp += 2;
+ hasAuthKey = true;
+ break;
+ }
+ errors = true;
+ break;
+ default:
+ PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
+ errors = true;
+ break;
+ }
+ if(errors) break;
+ }