Method and device for accurately dating an electronic document

Details Method and device for accurately dating an electronic document Method and device for accurately dating an electronic document

1997-03-17

1998-07-14

Gregory, Bernarr E.

Cryptography

Particular algorithmic function encoding

Nbs/des algorithm

380 4, 380 9, 380 25, 380 49, 380 50, H04L 900

Patent

active

057816301

ABSTRACT:
In a method for verifying the instant that a transaction is implemented or that a document is created, signed, sent and/or received, it is provided for a time marker to be inserted into the document in a tamper-proof manner, and for the time marker to correspond to a time stamp taken from a non-adjustable clock. An arrangement for performing the method is also provided.

REFERENCES:
patent: 5189700 (1993-02-01), Blandford

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