Secured map messages for telecommunications networks

Details Secured map messages for telecommunications networks Secured map messages for telecommunications networks

2007-02-20

2007-02-20

Revak, Christopher (Department: 2131)

Cryptography

Communication system using cryptography

Wireless communication

C380S246000, C380S247000, C713S169000

Reexamination Certificate

active

09948101

ABSTRACT:
An encrypted/authenticated mobile application part (MAP) protocol message is sent between a first network element (42A) of a first telecommunications network (40A) and a second network element (42B) of a second telecommunications network (40B). The first network element uses a master security association to derive a connection-specific security association, and includes in the encrypted/authenticated MAP message a parameter obtained from the connection-specific security association. Upon receipt at the second network element, the master security association is used to derive a connection-specific security association for use by the second network element. The second network element uses the connection-specific security association to decrypt/decode the MAP message.

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