Computer system employing a split-secret cryptographic key linked to a password-based cryptographic key security scheme
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Jun 13, 2002
app pub date -
Dec 11, 2000
filing date -
Dec 11, 2000
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
In computer environments where passwords are used to compute retained secrets by methods such as password-based encryption, a need often arises to update these secrets. Retaining the password value, or the keys computed from the password, would be unwise; and requiring each password owner to type in their password would be cumbersome. The present invention describes a method that allows a fully operational system to modify the retained secrets without retaining passwords or requiring human intervention.
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