Here’s one for you Rich: Two Centuries On, a Cryptologist Cracks a Presidential Code

Comments [0] posted: Jul 31, 2009 Greg O'Byrne

Wall Street Journal

For more than 200 years, buried deep within Thomas Jefferson's correspondence and papers, there lay a mysterious cipher -- a coded message that appears to have remained unsolved. Until now.

Sounds like a primitive s-box.


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tags: [code | cryptography]


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