It’s been a couple of Math Mondays since we last looked at columnar transposition ciphers, so let’s jump back in. In the It’s been a couple of Math Mondays since we last looked at columnar ...
We all have secrets to keep. Those secrets could be personal dirt we want to keep from others, or they could be something as mundane as our credit card numbers or medical histories. But all of us have ...
A small Java project for experimenting with classical cryptography algorithms and a DES file-encryption example. The original work was a set of separate Java exercises; this version keeps the same ...
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