Digital document storage

Details Digital document storage Digital document storage

2006-12-05

2006-12-05

Peeso, Thomas (Department: 2132)

Electrical computers and digital processing systems: support

Reconfiguration

C713S168000, C713S171000

Reexamination Certificate

active

07146495

ABSTRACT:
A digital storage system for storing digital documents, the system comprising a trusted storage service provider including an encryption module for encrypting a digital document prior to storage thereof using an encryption key generated using a random number generator, remote archive storage sites for storing the encrypted item of data, and a corporate key store for storing an n-bit decryption key (which maybe the same as the encryption key or maybe different, but mathematically related thereto) for use in decrypting a document if required, the system further comprising a key degrading module for progressively degrading said decryption key by periodically discarding or changing at least one bit at a time thereof.

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patent: 6134660 (2000-10-01), Boneh et al.
patent: WO01/08346 (2001-02-01), None
patent: WO01/20836 (2001-03-01), None
patent: WO02/29516 (2002-04-01), None

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