Showing posts tagged cryptography

John Nash, Cryptography, and Computational Complexity

Recently, the brilliant mathematician John Nash and his wife were killed in a car crash. While Nash was probably most famous for his pioneering work on game theory and his portrayal in Ron Howard‘s popular film A Beautiful Mind, he also worked in the field of cryptography. Several years ago, the NSA declassified several letters from 1955 between Nash and the NSA wherein Nash describes some ideas for an encryption/decryption scheme. While the NSA was not interested in the particular scheme devised by Nash, it seems that Nash…

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