Method for reencryption of a database
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United States of America Patent
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Feb 10, 2009
Grant Date -
N/A
app pub date -
Nov 13, 2000
filing date -
Nov 12, 1999
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method for encryption of the content in a database, the method including the steps of detecting that a predetermined time period has elapsed, generating an unexpired encryption key, associating the unexpired encryption key with expiration information, scanning the database for an encrypted item, the encrypted item corresponding to a plaintext item, the encrypted item having been encrypted using an expired encryption key, and encrypting the plaintext item, using the unexpired encryption key, into a reencrypted item.
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