Key management scheme for use with electronic cards

Details Key management scheme for use with electronic cards Key management scheme for use with electronic cards

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

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