File storage system and a NAS server

Details File storage system and a NAS server File storage system and a NAS server

2007-04-17

2007-04-17

Zand, Kambiz (Department: 2132)

Electrical computers and digital processing systems: support

Data processing protection using cryptography

By stored data protection

C713S176000, C713S178000, C713S181000

Reexamination Certificate

active

10157042

ABSTRACT:
A reliably safe storage system is provided which makes provable the status of a file stored in a storage server at a time specified by a user and creates evidence information that will be effective in future. In response to a file status fixing request from the user over a network, a storage server generates file fixing guarantee data, including data publicized by a publication server, and saves the generated data with the file associated with the generated data.

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U.S. Appl. No. 09/697,666, filed Oct. 20, 2000, Susaki et al.
U.S. Appl. No. 09/693,713, filed Oct. 19, 2000, Miyazaki et al.

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