LandOfFree - US Patents - Listing for Cryptography

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Data authentication using modification detection codes based on

Cryptography – Cryptanalysis

Data broadcasting system

Cryptography – Equipment test or malfunction indication

Data carrier and write/read device therefor

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Data carrier-controlled terminal in a data exchange system

Cryptography – Particular algorithmic function encoding

Data cipher processors

Cryptography – Electric signal modification – Having production of printed copy

Data ciphering device

Cryptography – Video cryptography – Video electric signal modification

Data coding

Cryptography – Communication system using cryptography

Data communication apparatus, control method therefor, and...

Cryptography – Communication system using cryptography – Wireless communication

Data communication equipment, data communication system, and...

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Data communication method and apparatus using neural-networks

Cryptography – Communication system using cryptography – Fiber optic network

Data communication system

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Data communication system

Cryptography – Key management – Having particular key generator

Data communication system

Cryptography – Communication system using cryptography – Time segment interchange

Data communication system

Cryptography – Electric signal modification – Having production of printed copy

Data communication system and method with data scrambling

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Data communication system and method with data scrambling

Cryptography – Key management – Having particular key generator

Data communication system using encrypted data packets

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Data communication systems and methods

Cryptography – Communication system using cryptography

Data communications