Method and apparatus for secure key replacement
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United States of America Patent
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Sep 2, 2008
Grant Date -
Jun 9, 2005
app pub date -
Dec 9, 2003
filing date -
Dec 9, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A method, and a corresponding apparatus, provide for remote, secure replacement of private keys in a private key infrastructure. The method is implemented as a secure key replacement protocol (SKRP), which includes the steps of receiving a rekey request, where the rekey request identifies a private key for replacement, authenticating the rekey request, replacing the identified private key with a SKRP key, signing the challenge with the SKRP key, and returning the signed challenge. The rekey request includes the SKRP key and the challenge.
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