Secure instant messaging system using instant messaging group policy certificates
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United States of America Patent
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Jan 22, 2008
Grant Date -
Oct 30, 2003
app pub date -
Apr 26, 2002
filing date -
Apr 26, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and apparatus for facilitating instant messaging utilizes a secure instant message group policy certificate issued by an instant messaging public key infrastructure policy certificate issuing unit. The secure instant messaging group policy certificate is received, such as through a local instant messaging secure public key infrastructure proxy, and contains data defining the group members, references to other groups, security controls and relevant data such as allowed algorithms. The secure instant messaging group policy certificate defines a plurality of different instant messaging groups, each identified by an instant messaging group identifier. Each instant messaging group identifier is associated with a plurality of instant message group number identifiers.
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