System for conveying information for the reliable authentificati

Details System for conveying information for the reliable authentificati System for conveying information for the reliable authentificati

1987-12-31

1990-01-09

Cangialosi, Salvatore

Cryptography

Particular algorithmic function encoding

Nbs/des algorithm

380 21, 380 30, 380 51, H04L 900

Patent

active

048933384

ABSTRACT:
A system for conveying information for the reliable authentication of a plurality of documents includes a device for solving a set of polynomial equations to develop a string of characters and having a decryption key therein that, upon application to the string of characters provided, reveals not only a plain text message indicating the source of the authentication but, in addition, provides the decryption key for use with the information provided by the mailer. The solution of the set of polynomial equations requires the accumulation of individual documents, each having a random x.sub.i and a solution f(x.sub.i) associated therewith.

REFERENCES:
patent: 4438824 (1984-03-01), Mueller-Schloer
patent: 4458109 (1984-07-01), Mueller-Schloer
patent: 4625076 (1986-11-01), Okamoto et al.
patent: 4649233 (1987-03-01), Bass et al.
patent: 4811393 (1989-03-01), Hazard
patent: 4816655 (1989-03-01), Musyck et al.

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