Field initialized authentication system for protective security

Details Field initialized authentication system for protective security Field initialized authentication system for protective security

1986-06-16

1988-03-15

Cangialosi, Salvatore

Cryptography

Particular algorithmic function encoding

Nbs/des algorithm

380 28, 380 30, 380 49, H04L 900

Patent

active

047318414

ABSTRACT:
An authentication system for electronic information networks having small hand-held portable authenticating devices which are remotely initialized and can use 4 bit microprocessors in a challenge-response security system and yet permit practical communication of the large numbers which are necessary for sufficient security.

REFERENCES:
patent: 4349695 (1982-09-01), Morgan et al.
patent: 4438824 (1984-03-01), Mueller-Schloer
patent: 4453074 (1984-06-01), Weinstein
patent: 4471216 (1984-09-01), Herve
patent: 4578531 (1986-03-01), Everhart et al.
"A Method for Obtaining Digital Signatures and Public-Key Cryptosystems", by Rivest et al., Comm. of the ACM, vol. 21, #2, 2/78.
"Keyed-Access Erasable Programmable ROM Prevents Unanthorized System Access", EDN, 3/21/85.

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