Cryptography – Particular algorithmic function encoding – Nbs/des algorithm
Patent
1991-08-07
1992-11-10
Cangialosi, Salvatore
Cryptography
Particular algorithmic function encoding
Nbs/des algorithm
380 23, 380 24, 380 25, 380 44, H04R 100
Patent
active
051630974
ABSTRACT:
Disclosed is a method and apparatus that protects user passwords and identification numbers by using dynamic and fixed cipher keys to generate one-time access codes that are recognized by an authorization center. The authorization center provides a user with a pool of user selectable algorithms that are easily remembered by a user. When access is desired the user mentally generates and subsequently enters a non-machine generated access code formed by using the selected algorithm, the password, and a dynamic variable. The authorization center also generates a corresponding access code using stored user data. If the two access codes match access is granted.
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Cangialosi Salvatore
DynamicServe, Ltd.
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