Cryptographically-Challenged Cryptographers

March 5, 2009

In a recent posting on the Cipher Mysteries blog, Nick Pelling provides a list of contemporary cipher challenges he collected from the Web.  One of those listed is by one Andrew Fergus, who posted his own supposedly unbreakable cipher which apparently uses a pseudo-random number generator for encryption.  As Mr. Fergus proclaims, “I have spent some time developing a cipher, which I genuinely believe is unbreakable”.

What left me in a state of disbelief was the following gem found on Mr. Fergus’s site: Read the rest of this entry »

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Announcing the Chaocipher Clearing House

February 27, 2009

Since my early teens (back in the early 70’s) I’ve been fascinated by the art and science of cryptography and cryptanalysis.  It was in David Kahn’s magnum opus “The Codebreakers” that I was first introduced to the Chaocipher. Read the rest of this entry »