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

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

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

Small size product cipher apparatus

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

Stegotext encoder and decoder

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

Stream cipher encryption and message authentication

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

Stream cipher encryption method and apparatus that can...

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

Stream cipher having a combiner function with storage based...

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

Substitution permutation enciphering device

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

System and method for authenticating/registering network...

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

System and method for constructing block ciphers

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

System and method for partially encrypted multimedia stream

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

System and method for protecting data in a secure system