Secured data format for access control
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United States of America Patent
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-
May 27, 2008
Issued Date -
N/A
app pub date -
Feb 12, 2002
filing date -
Dec 12, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In a system for providing access control management to electronic data, techniques to secure the electronic data and keep the electronic data secured at all times are disclosed. According to one embodiment, a secured file or secured document includes two parts: an attachment, referred to as a header, and an encrypted document or data portion. The header includes security information that points to or includes the access rules and a file key. The access rules facilitate restrictive access to the secured document and essentially determine who/when/how/where the secured document can be accessed. The file key is used to encrypt/decrypt the encrypted data portion. Only those who have the proper access privileges are permitted to retrieve the file key to encrypt/decrypt the encrypted data portion.
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