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Robert Morris (cryptographer)
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He invented a Trap-door encryption algorithm (now called a Key Derivation Function ) which was originally used for encrypting Password s stored in the /etc/ Passwd file of Unix computers; analogous techniques, relying on different functions, are still in use today. He is the father of Robert Tappan Morris . There is a description of him in Clifford Stoll 's book '' The Cuckoo's Egg ''.

Many readers of Stoll's book remember Morris for giving Stoll a challenging mathematical .) Stoll chose not to include the answer to this puzzle in ''The Cuckoo's Egg'', to the frustration of many readers {Link without Title} .

At NCSC, Morris was involved in the production of the Rainbow Series of computer security standards.


EXTERNAL LINKS

  • http://cm.bell-labs.com/cm/cs/who/dmr/crypt.html Dennis Ritchie 's "Dabbling in the Cryptographic World" tells the story of cryptographic research he performed with Morris, and why that research was never published.