Auto Diceware


Diceware is a method for creating passphrases, passwords, and other cryptographic variables using ordinary dice as a hardware random number generator. For each word in the passphrase, five rolls of the dice are required.

About Diceware

Weak passwords are a big flaw in computer security due to a lack of "entropy" or randomness. For example, how many times have you used the name of a pet or relative or street in a password, or perhaps the number "1"? Not very random, is it? :-) Worse still, if passwords are reused between services, that increases your security risk. This is not theoretical, this has already happened.

The fact is, humans are terrible at remembering random combinations of letters and numbers, but we are great at remembering phrases of words. That's where Diceware comes in.

This Diceware web app is based on the proposal at wherein virtual dice are rolled 5 times, and the 5 digit number used against a lookup table of words. 4 dice rolls gives you 4 random words which are easy for a human being to remember, yet have a high amount of entropy which makes them hard to crack.

Passphrases That You Can Memorize — But That Even the NSA Can't Guess

Diceware is a trademark of Arnold Reinhold.

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