Cracking Codes: Part I
Since the dawn of time (or at least since humans have been communicating with each other), people have wanted to be able to transmit messages secretively. Over centuries of war, star-crossed loves,...
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Cracking Codes: Part II
Not too long ago, we posted a little how-to on Substitution Ciphers, and now we’re moving on to Keyword Number Ciphers. If you need a little refresher before Part II, be sure to check out Cracking...
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Cracking Codes: Part III
It’s been a little while since our last cracking codes post, but here’s a classic for you to sink your teeth into this Sunday – the Telephone Keypad Cipher. A standard touch-tone telephone keypad can...
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Al-Marri Plea Reveals Al Qaeda Codes
Ali al-Marri, the alleged Al Qaeda sleeper spy who has finally been put on trial in Peoria, Illinois (he was arrested in Dec 2001 and jailed without a sentence), recently filed a guilty-plea agreement...
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Cracking Codes: Part IV
Here are a couple more ciphers for you to mull over and add to your encryption repertoire: the ancient Masonic cipher and a variation, called the tic-tac-toe cipher, which is used to encrypt numbers...
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