Secure instant messaging system using instant messaging...

Details Secure instant messaging system using instant messaging... Secure instant messaging system using instant messaging...

2008-01-22

2008-01-22

Moazzami, Nasser (Department: 2136)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular node for directing data and applying cryptography

C713S156000, C726S012000

Reexamination Certificate

active

07321969

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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