Method and system for mixed symmetric and asymmetric encryption of .ZIP files
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United States of America Patent
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Jul 17, 2012
Grant Date -
Apr 28, 2005
app pub date -
Sep 20, 2004
filing date -
Jul 16, 2003
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Abstract
The present invention provides a method of integrating existing strong encryption methods into the processing of a .ZIP file to provide a highly secure data container which provides flexibility in the use of symmetric and asymmetric encryption technology. The present invention adapts the well established .ZIP file format to support higher levels of security and multiple methods of data encryption and key management, thereby producing a highly secure and flexible digital container for electronically storing and transferring confidential data.
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