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I was wondering if there was any way to use an unlock PIN longer than 16 digits on android lollipop - in the settings it allows you to enter a PIN less than 17 digits. I would like to stay away from 3rd party lock screens if possible. I am running resurrection remix (Lollipop 5.1.1).

Thanks

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Far as I know, no. Now of course wait for more answers but far as I know, if it is set to be 16 characters max it means it is a 128 bit variable. If that is all Android has saved for the PIN, then that is that.

  • It would help if you explain the reason for mentioning "it means it is a 128 bit variable". Alternatively, tell us what is it about and why does it matter? Perhaps, something in the source code , or maybe a security policy for Android, or something else? – Firelord Nov 25 '15 at 17:51
  • @Firelord I am not a developer so I don't know very deeply about security measurements of Android. I know that PIN is not meant as the ultimate security tool though. Anyone who had enough time and required tools can certainly crack the PIN code eventually. Let's not get sidetracked though. Far as I know, when you set a PIN code, the combination you picked is assigned to a variable with a pre-defined size. You can't assign a literal value greater than the variable can take or it will fail. Youtube used a 32bit counter and Gangnam style was watched more times than it could take and it broke. – SarpSTA Nov 25 '15 at 18:05

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