Device for implementing a message signature system and chip card

Details Device for implementing a message signature system and chip card Device for implementing a message signature system and chip card

1995-03-28

1998-05-05

Boudreau, Leo

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382181, G06K 900

Patent

active

057487820

ABSTRACT:
This provides a first device for implementing an RSA-type protected data exchange system for the signing of messages and the verification of the signed messages, and a second device for inhibiting the encryption anti decryption functions inherent of such systems so as to authorize only the signature and signature functions and public key authentication.

REFERENCES:
patent: 4405829 (1983-09-01), Rivest et al.
patent: 4656474 (1987-04-01), Mollier
patent: 4885777 (1989-12-01), Takaragi
"Comment Utiliser Les Fonctions De Condensation Dans La Protection Des Donnees", Dated Mar. 5, 1988 and Published on the Occassion of the Colloquium Securicom, Held in Paris in 1988. pp. 91-110, Campana et al.
"Enhanced Performance Single-Chip DSP Requires Minimal External Circuitry" by Daniel A. Ash, Twenty-Second Asilomar Conference on Signals, Systems and Computers, Oct. 31, 1988, pp. 885-889.

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