Session key recovery system and method
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United States of America Patent
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-
Jun 12, 2001
Grant Date -
N/A
app pub date -
Nov 26, 1997
filing date -
Nov 26, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A system and method for providing access to an encrypted communication involves recording the session during which the communication is encrypted, replaying the session to recover data used to recover a session key, accessing a server to retrieve secret information also used to generate the session key, and recreating the session key using the recovered data and secret information. The system and method includes provision for authenticating parties to the key recovery, protecting communications required to retrieve the secret key, and establishing a record of the key recovery to serve as an audit trail.
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