LandOfFree - US Patents - Listing for Cryptography

Cryptography – Communication system using cryptography – Time segment interchange

Data processing apparatus

Cryptography – Cryptanalysis

Data processing apparatus

Cryptography – Video cryptography – Video electric signal modification

Data processing apparatus and method for encryption or...

Cryptography – Video cryptography – Copy protection or prevention

Data processing apparatus and method, and computer-readable...

Cryptography – Key management – Having particular key generator

Data processing apparatus having a real memory region with a cor

Cryptography – Key management – Having particular key generator

Data processing apparatus with software protecting functions

Cryptography – Video cryptography – Video electric signal modification

Data processing device

Cryptography – Key management – Having particular key generator

Data processing device with data processing means utilizing...

Cryptography – Key management – Key distribution

Data processing method and system of same portable device...

Cryptography – Key management – Having particular key generator

Data processing system and editing apparatus aided thereby

Cryptography – Cryptanalysis

Data processing system and method to produce softcopy book reade

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Data processing system comprising authentification means viz a v

Cryptography – Cryptanalysis

Data processing system having a set of memory cards

Cryptography – Key management – Having particular key generator

Data processing system having an encryption device

Cryptography – Key management – Having particular key generator

Data processing system with cryptographic facility

Cryptography – Key management – Key distribution

Data processing system, data processing method, and program...

Cryptography – Particular algorithmic function encoding

Data processing systems with format-preserving encryption...

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Data processing terminal device which stores a modified decrypte

Cryptography – Communication system using cryptography – Pseudo-random sequence scrambling

Data processor for FM multiplex broadcast