Digital certificates
AssigneeHewlett-Packard Development Company, L.P.
InventorsMarco Casassa Mont, Richard Brown, Brian Quentin Monahan
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Abstract
The present invention provides a digital certificate (2, 32) comprising a plurality of credential attribute properties (6, 36), and a trust function (8, 42) embedded within the certificate as an executable file, which trust function can determine as a function of data (12, 44) available to it a trust value (14, 46) attributable to at least a part of the certificate at least partly by execution of the executable file. A corresponding method of communication is also disclosed.
Claims38
A digital certificate comprising a plurality of credential attribute properties, and a trust function embedded within the certificate as an executable file, which trust function has data can determine as a function of data available to it a trust value attributable to at least a part of the digital certificate at least partly by execution of the executable file.
A digital certificate comprising a plurality of credential attribute properties and a trust function within the certificate, which trust function comprises an executable file, which trust function has data available to it and can determine as a function of the data available to it a trust value attributable to at least a part of the digital certificate at least partly by execution of the executable file.
A digital certificate comprising a plurality of credential attribute properties, and a trust function embedded within the certificate as an executable program, which trust function has data available to it and can determine as a function of the data available to it a trust value attributable to at least a part of the digital certificate at least partly by execution of the executable program.
A method of communication, which method comprises the steps of communicating from a sender to a recipient a digital certificate according to any preceding claim
Dependencies are inferred from the claim text.