![]() Of security when devising an encryption algorithm. So much for my brilliant scheme.įrom this humbling experience I learned how easy it is to fall into a false sense Simple homework assignment on how to use elementary cryptanalytic Unfortunately, the scheme was presented as a Years later, I discovered this same scheme in several introductoryĬryptography texts and tutorial papers. Most resourceful government intelligence agencies. This would seemingly thwart anyįrequency analysis of the ciphertext, and would be uncrackable even to the A simple pseudorandom number stream was added to the When I was in college in the early 70s, I devised what I believed was a brilliant encryption scheme. ![]() I was reading PGP docs and came upon a part written by Phil Zimmermann (PGP's creator) that piqued my curiosity:
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