Trustworthy timestamps and certifiable clocks using logs...

Details Trustworthy timestamps and certifiable clocks using logs... Trustworthy timestamps and certifiable clocks using logs...

2011-08-23

2011-08-23

Pyzocha, Michael (Department: 2437)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

C713S176000, C713S400000

Reexamination Certificate

active

08006094

ABSTRACT:
A method and apparatus for creating and/or using trustworthy timestamps and certifiable clocks using logs linked by cryptographic hashes. In one embodiment, the method comprises maintaining a first, chained-hash log; associating a first clock with the chained-hash log, and entangling the first log; with a second by adding a time-stamped synchronization entry to the chained-hash log, where the synchronization entry has a second time indication associated with the second log and a hash of one or more entries in the first log.

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