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Sig Porter

Sig with hat

Sig Porter has fifty years of experience in computer system design, including twenty years in computer security (both commercial and military).

Patents:

3,040,985 Information Number and Control System (co-inventor)
3,123,716 Pulse Translating Apparatus
3,231,868 3,394,353 Memory Arrangement for Electronic Data Processing System (co-inventor)
3,235,716 Data Entry Checking Apparatus (co-inventor)
3,351,774 Superconducting Circuit Constructions Employing Logically Related Inductively Coupled Paths to Reduce Effective Magnetic Switching Inductance
3,419,815 Signal Generators with Rapid Automatic Amplitude Stabilization
4,355,366 Circuitry for Minimizing Auto-correlation and Bias in a Random Number Generator


Publications:

"Considerations in the Design of a Computer with High Logic-to-Memory Speed Ratio" (co-author)
        (This paper introduced the term lookaside).
        1961 AIEE Workshop on Gigacycle Computers
        1962 AIEE Winter General Meeting
        AIEE Special Publication S-136

"A New Configuration for Faster Cryotron Circuits"
        1962 AIEE Workshop on Ultra-fast Computers
        IEEE Transactions on Electronic Computers, February 1964

"Use of Multiwrite for General Programmability of Search Memories"
        1964 IEEE Computer Group Southern California Symposium on Search Memories
        Journal of Association for Computing Machinery, July 1966

"A Password Extension for Improved Human Factors"
        (This paper introduced the term passphrase.)
        Crypto 81 (1981 IEEE-CS Workshop on Cryptography)
        Computers & Security, Vol. 1. No. 1, 1982, North Holland Press

"On a Flaw in XOR-CBC Based Data Authentication Scheme"
        March 1983 Cipher (IEEE-TC on Security and Privacy)

"Cryptology and Number Sequences: Pseudorandom, Random, and Perfectly Random"
        Computers & Security, Feb. 1984.

"On the Integrity Problem" (senior author)
        8th National Computer Security Conference (1985)

"First Thoughts on Verification of Integrity" (senior author)
        Second AIAA Conference on Computer Security (1986)