Method and device for accurately dating an electronic document
First Claim
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1. A method for dating an electronic document, the method comprising the steps of:
- obtaining a time stamp from a clock;
obtaining an additional time stamp from an additional clock;
comparing the additional time stamp to the time stamp to determine a time discrepancy;
defining a time discrepancy tolerance; and
inserting a time marker into The electronic document.
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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.
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Citations
18 Claims
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1. A method for dating an electronic document, the method comprising the steps of:
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obtaining a time stamp from a clock; obtaining an additional time stamp from an additional clock; comparing the additional time stamp to the time stamp to determine a time discrepancy; defining a time discrepancy tolerance; and inserting a time marker into The electronic document. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. Apparatus for dating all electronic document comprising:
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a first clock for providing a time stamp; a second clock for providing a second time stamp; a processor receiving inputs from the first clock and the second clock, the processor for comparing the time stamp and the second time stamp and for inserting a time marker into the electronic document; and a memory connected to the processor. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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Specification