Method and apparatus for uploading mass-distributed content...

Details Method and apparatus for uploading mass-distributed content... Method and apparatus for uploading mass-distributed content...

2007-08-14

2007-08-14

Moazzami, Nasser (Department: 2136)

Electrical computers and digital processing systems: support

Data processing protection using cryptography

By stored data protection

C709S200000, C713S181000, C713S189000

Reexamination Certificate

active

10228712

ABSTRACT:
One embodiment of the present invention provides a system that facilitates uploading content from a client to a server. Upon receiving content, the client divides the content into smaller data-blocks of a predetermined size. Once the content has been divided, the client computes a codeword for each data-bock. Next, the client computes a composite codeword for the set of codewords by computing a function of the set of codewords. The client also computes a content identifier for the content to differentiate the content from other content. Once this is done, the client sends the composite codeword and the content identifier to the server, and receives a response from the server indicating whether or not the content is present on the server. If the content is not present on the server, the client sends the content to the server.

REFERENCES:
patent: 5727156 (1998-03-01), Herr-Hoyman et al.
patent: 6339824 (2002-01-01), Smith et al.
patent: 2002/0091928 (2002-07-01), Bouchard et al.
patent: 2002/0138744 (2002-09-01), Schleicher et al.
patent: 1329789 (2003-07-01), None

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