Techniques for searching encrypted files
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United States of America Patent
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Jan 27, 2009
Grant Date -
Nov 21, 2002
app pub date -
Mar 11, 2002
filing date -
Mar 12, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
Techniques for efficiently searching encrypted searchable spaces. For example, embodiments of the present invention provide techniques for searching a plurality of files that are stored in encrypted (or ciphertext) form. According to embodiments of the present invention, the search can usually be performed by decrypting only a portion of the encrypted searchable space. According to an embodiment of the present invention, the search techniques determine a set of files comprising one or more files from the plurality of encrypted files that contain a user-specified query element. The set of files is usually determined by decrypting only a subset of the plurality of encrypted files.
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