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This page offers a better way to create a strong, yet easy to remember, passphrase for use with encryption and security programs. Weak passwords and passphrases are one of the most common flaws in computer security. Take a few minutes and learn how to do it right. The information presented here can be used by anyone. No background in cryptography or mathematics is required. Just follow the simple steps below. (If you'd like to know even more about passphrases, see the  Frequently Asked Questions (FAQ) , and

This page is also available in Chinese, Esperanto, Finnish, French, Italian, Japanese, Polish and Spanish . There are also Diceware word lists available in   Basque, Bulgarian, Catalan, Chinese, Czech, Danish, Dutch, Esperanto, Estonian, Finnish, French, German, Greek, Hebrew, Hungarian, Italian, Japanese, Latin, Maori, Norwegian, Polish, Portuguese, Romanian, Russian, Slovak, Slovenian, Spanish, Swedish and Turkish , 29 languages besides English, all kindly contributed by our users.

Try our free Big Number Calculator Java applet. It lets you perform many of the calculations used in public key cryptography. It should work on most modern browsers on computers that support Java (that does not include Apple's iOS, sorry).

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