Matches 1 - 7 out of 7
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US20090182668 METHOD AND APPARATUS TO ENABLE LAWFUL INTERCEPT OF ENCRYPTED TRAFFIC  
Methods and systems are described for communicating the session keys used to encrypt media stream to allow a lawful intercept agency to decrypt the media stream. Assuming the endpoints negotiate...
US20090060193 DEVICE FOR ENCRYPTED COMMUNICATION  
A communication device for encrypted transmission of information via unencrypted transmission paths has at least one loudspeaker, one microphone, one audio processing facility, one encryption...
US20090016531 Method and system for secured real time protocol in scalable distributed conference applications  
A method of providing secured teleconference in a distributed teleconference system including providing one or more servers interconnected in a distributed structure, providing at least two...
US20080292102 QUANTUM KEY DISTRIBUTION SYSTEM AND METHOD  
A method and system for transmitting optical clock signals and quantum key signals on a single optical channel, and for reducing quantum bit error rate in a quantum key distribution system. The...
US20080232589 Robust delivery of packet based secure voice  
A method is provided for transmitting voice data in a secure communication system. The method includes: transmitting voice data using a plurality of data packets; embedding a cryptographic message...
US20080144827 CALLER-IDENTITY BASED SECURITY  
A method, system and computer-readable medium for providing a user identity-based secure channel between a digital telephone and a service provider is presented. At the service provider, an...
US20080037788 Data decryption apparatus and data encryption apparatus  
A data decryption apparatus that decrypts encrypted data, includes a first data-receiving unit that receives a first data set, in which information on an encryption specification is embedded,...
Matches 1 - 7 out of 7