Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Central trusted authority provides computer authentication
Reexamination Certificate
2004-09-02
2009-12-29
Moise, Emmanuel L (Department: 2437)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Central trusted authority provides computer authentication
C713S173000, C713S175000
Reexamination Certificate
active
07640428
ABSTRACT:
A system and method for searching and retrieving certificates, which may be used in the processing of encoded messages. In one broad aspect, a method is provided in which a certificate search request is received, a search of one or more certificate servers for certificates satisfying the request is performed, located certificates are retrieved and processed at a first computing device to determine data that uniquely identifies each located certificate, and search result data comprising the determined data is communicated to a second device (e.g. a mobile device) for use in determining whether each located certificate is already stored on the second device.
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Adams Neil P.
Brown Michael S.
Little Herbert A.
Bereskin & Parr LLP / S.E.N.C.R.L., s.r.l.
Gelagay Shewaye
Moise Emmanuel L
Research In Motion Limited
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