Method and apparatus for securely providing billable...

Method and apparatus for selecting an appropriate...

Method and apparatus for storing and distributing encryption...

Method and apparatus for transferring a communication session

Method and apparatus for transferring a communication session

Method and apparatus for transferring a communicaton session

Method and apparatus providing secure multicast group...

Method and arrangement for data communication in a...

Method and system for authenticating messages

Method and system for authenticating messages

Method and system for controlling the use of addresses using...

Method and system for secure distribution of cryptographic...

Method and system for secure information handling

Method and system for secured wireless data transmission to...

Method for broadcast encryption and key revocation of...

Method for implementing grouping devices and interacting...

Method for overcoming the single point of failure of the...

Method for securing a ciphered content transmitted by a...

Method of achieving multiple processor agreement in...

Method of ciphering data transmission, and cellular radio...