Invisible digital watermarks
Invisible electronic signature
Invisible encoding of meta-information
Java based electronic signature capture method, device and...
Justification authenticating system, personal certificate...
Key agreement and transport protocol
Key agreement and transport protocol
Key agreement and transport protocol with implicit signatures
Key agreement and transport protocol with implicit signatures
Key and lock device
Key confirmed authenticated key exchange with derived...
Key conversion method for communication session encryption...
Key conversion system and method
Key distribution for encrypted broadcast data using minimal...
Key distribution in a conditional access system
Key distribution method and system in secure broadcast communica
Key exchange mechanism for streaming protected media content
Key exchange proxy network system
Key generation and retrieval using key servers
Key generation method for communication session encryption...