Method and management server for revoking group server identifiers of compromised group servers
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United States of America Patent
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Jun 25, 2019
Grant Date -
Dec 7, 2017
app pub date -
Jun 6, 2016
filing date -
Jun 6, 2016
priority date (Note) -
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Abstract
Method and management server for revoking group server identifiers of compromised group servers. One method includes determining, with a management server, an identity-based cryptographic signing key based on a group server identifier. The method also includes distributing, via the management server, the identity-based cryptographic signing key to a group server. The method further includes receiving, at the management server, a security status indicating that the security of the group server is compromised. The method also includes, responsive to receiving the security status, distributing, via the management server, a revocation of the group server identifier to a plurality of communication devices.
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