Digital document authentication system

Details Digital document authentication system Digital document authentication system

1997-02-21

1998-07-14

Barron, Jr., Gilberto

Cryptography

Particular algorithmic function encoding

Nbs/des algorithm

380 28, H04L 932

Patent

active

057816298

ABSTRACT:
A process for time-stamping a digital document is provided. The process provides a certificate which not only allows for the authentication of a document at a later time but which includes a name or nickname which allows for the unique identification of the document at a later time. The name or nickname provided in accordance with the present invention is not only simple and concise but allows for the self-authentication of the document which it refers to. The name can be used when two independent parties desire to refer to the same unique document in a quick and simple way.

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Bayes, et al., "Improving the Efficiency and the Reliability of Digital Time-Stamping", sequences II methods in communication, security, and computer science, editors R.M. Capocelli, et al. pp. 329-334, (Springer-Verlag, New York 1993).
Haber et al., "How to Time-Stamp a Digital Document", Journal of Cryphotography, vol. 3, No. 2, pp. 99-111 (1991).

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