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Friday March 14th 2014

Encryption 101: Columnar Transposition Cipher

  Jack Hammond Junior Developer Egress Software Technologies Ltd.   As part of the Encryption 101 series, we’ve previously looked at the Caesar cipher – a simple transposition cipher that sees every letter ...

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Friday December 6th 2013

Encryption 101: Back to basics

  Jack Hammond Junior Developer Egress Software Technologies Ltd.   Having introduced the concept of encryption in my last blog post through the PlayFair Cipher, I’m now going to look at a few of the oldest known ...

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