APPARATUS AND METHOD FOR CRYPTOGRAPHIC PROTECTION OF DIRECTORIES AND FILES
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United States of America Patent
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Issued Date -
Jul 24, 2008
app pub date -
Sep 27, 2007
filing date -
Sep 28, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A computer readable storage medium includes executable instructions to encrypt a file with a file encryption key to produce an encrypted file. The file encryption key is encrypted with a directory encryption key to produce an encrypted file encryption key. The directory encryption key is encrypted with a public key of a user within a group to produce an encrypted directory encryption key.
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