LandOfFree - US Patents - Listing for Cryptography,Communication system using cryptography,Data stream/substitution enciphering

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

Methods for scaling a progressively encrypted sequence of...

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

Pad encryption method and software

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

pad encryption method and software

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

Parallel encryptor and decryptor

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

Physical layer header scrambling in satellite broadcast systems

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

Pseudorandom number generator with backup and restoration capabi

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

Random coding cipher system and method

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

Random sum cipher system and method

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

Reduced hierarchy key management system and method

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

Scramble communication system multiplexing/demultiplexing scramb

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

Secret-key enciphering method and arrangement therefor capable o

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

Secure communication of static information by electronic means

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

Secure data packet transmission system and method

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

Secure voice data transmission system

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

Security enhancement in a data processor through use of dynamic

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

Security module for radio telephone

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

Self-service terminal

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

Self-synchronizing descrambler

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

Self-synchronizing scrambler