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Warning on the PCF7931 bruteforce command

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Samuele Guerrini 2019-01-06 15:20:45 +01:00
commit 8537b3fee8
1 changed files with 5 additions and 3 deletions
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8
client/cmdlfpcf7931.c
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@ -80,11 +80,13 @@ int usage_pcf7931_write(){
int usage_pcf7931_bruteforce() int usage_pcf7931_bruteforce()
{ {
PrintAndLog("Usage: lf pcf7931 bruteforce [h] <start password> <tries>"); PrintAndLog("Usage: lf pcf7931 bruteforce [h] <start password> <tries>");
PrintAndLog("This command tries to write a PCF7931 tag."); PrintAndLog("This command tries to disable PAC of a PCF7931 transponder by bruteforcing the password.");
PrintAndLog("!! THIS IS NOT INTENDED TO RECOVER THE FULL PASSWORD !!");
PrintAndLog("!! DO NOT USE UNLESS THE FIRST 5 BYTES OF THE PASSWORD ARE KNOWN !!");
PrintAndLog("Options:"); PrintAndLog("Options:");
PrintAndLog(" h This help"); PrintAndLog(" h This help");
PrintAndLog(" start password hex password to start from"); PrintAndLog(" start password hex password to start from");
PrintAndLog(" tries How many times to send the same data frame"); PrintAndLog(" tries How many times to send the same data frame");
PrintAndLog("Examples:"); PrintAndLog("Examples:");
PrintAndLog(" lf pcf7931 bruteforce 00000000123456 3"); PrintAndLog(" lf pcf7931 bruteforce 00000000123456 3");
return 0; return 0;