LandOfFree - US Patents - Listing for Cryptography,Communication system using cryptography

Cryptography – Communication system using cryptography – Fiber optic network

Quantum cryptography with fewer random numbers

Cryptography – Communication system using cryptography – Fiber optic network

Quantum encryption device

Cryptography – Communication system using cryptography – Fiber optic network

Quantum key distribution method and apparatus

Cryptography – Communication system using cryptography – Symmetric key cryptography

Quantum key distribution system and method

Cryptography – Communication system using cryptography – Symmetric key cryptography

Quantum key distribution system and method using regulated...

Cryptography – Communication system using cryptography – Symmetric key cryptography

Quantum key distribution system and method using regulated...

Cryptography – Communication system using cryptography – Symmetric key cryptography

Quantum-key distribution method between a plurality of users...

Cryptography – Communication system using cryptography – Frequency shift or inversion

Radio communication apparatus having common oscillator applied f

Cryptography – Communication system using cryptography – Wireless communication

Radio communication system and method and mobile communication t

Cryptography – Communication system using cryptography – Wireless communication

Radio communication system, radio communication device,...

Cryptography – Communication system using cryptography – Symmetric key cryptography

Radio data transmission apparatus

Cryptography – Communication system using cryptography – Wireless communication

Radio frequency identification tag lock and key

Cryptography – Communication system using cryptography – Speech scrambler detail

Radio wireline interface and method for secure communication

Cryptography – Communication system using cryptography – Wireless communication

Random access method for improving scrambling efficiency

Cryptography – Communication system using cryptography – Data stream/substitution enciphering

Random coding cipher system and method

Cryptography – Communication system using cryptography – Symmetric key cryptography

Random number generating and sharing system, encrypted...

Cryptography – Communication system using cryptography – Circuit switched network

Random number generator based on turbulent convection

Cryptography – Communication system using cryptography – Data stream/substitution enciphering

Random sum cipher system and method

Cryptography – Communication system using cryptography – Symmetric key cryptography

Rapid decryption of data by key synchronization and indexing