Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Central trusted authority provides computer authentication
Reexamination Certificate
2004-09-01
2009-06-16
Simitoski, Michael J (Department: 2134)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Central trusted authority provides computer authentication
C713S175000, C713S176000, C726S006000, C709S206000
Reexamination Certificate
active
07549043
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 message management server generates certificate identification data from a message that uniquely identifies a certificate associated with the message. The certificate identification data can then be used to determine whether a given located certificate retrieved from one or more certificate servers in response to a certificate search request is the certificate associated with the message. Only the certificate identification data is needed to facilitate the determination at a user's computing device (e.g. a mobile device), alleviating the need for the user to download the entire message to the computing device in order to make the determination.
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Adams Neil P.
Brown Michael S.
Little Herbert A.
Bereskin & Parr LLP
Research In Motion Limited
Simitoski Michael J
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