Cryptography – Particular algorithmic function encoding – Nbs/des algorithm
Patent
1993-12-29
1996-04-30
Barron, Jr., Gilberto
Cryptography
Particular algorithmic function encoding
Nbs/des algorithm
380 24, 380 25, 235380, H04L 932, G07F 710
Patent
active
055132618
ABSTRACT:
In an electronic card of the type for insertion into a host electronic device for providing to the host device security parameters pertaining to the rightful holder of the card, the security parameters are stored in encrypted form to preclude their discovery by unauthorized parties. The decryption mechanism resists probing by unauthorized parties.
REFERENCES:
patent: 4672182 (1987-06-01), Hirokawa
patent: 4763419 (1988-04-01), Roe
patent: 4969188 (1990-11-01), Schobi
AT&T Corp.
Barron Jr. Gilberto
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