SYSTEM FOR AUTOMATICALLY SHADOWING ENCRYPTED DATA AND FILE DIRECTORY STRUCTURES FOR A PLURALITY OF NETWORK-CONNECTED COMPUTERS USING A NETWORK-ATTACHED MEMORY WITH SINGLE INSTANCE STORAGE
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United States of America Patent
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N/A
Issued Date -
May 1, 2008
app pub date -
Oct 31, 2007
filing date -
Oct 31, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The Secure Networked Data Shadowing System is connected to a plurality of monitored computer systems via an existing communication medium to store the shadowed data. The data is encrypted by the monitored computer system using a cryptokey, and the data file is processed using a hash function prior to encryption, so the contents of this file are uniquely identified. Thus, the encrypted file is stored in its encrypted form and the hash index is used to identify the encrypted file. A 'data de-duplication' process avoids storing multiple copies of the same files by identifying instances of duplication via the hash index. Files that have the same hash index can be reduced to a single copy without any loss of data as long as the file structure information for each instance of the file is maintained.
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