LandOfFree - US Patents - Listing for Cryptography

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Data encryption control system

Cryptography – Cryptanalysis

Data encryption for product information and access

Cryptography – Communication system using cryptography – Symmetric key cryptography

Data encryption for suppression of data-related in-band...

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

Data encryption in a symmetric multiprocessor electronic...

Cryptography – Equipment test or malfunction indication

Data encryption key failure monitor

Cryptography – Key management

Data encryption key management system

Cryptography – Key management – Having particular key generator

Data encryption methodology

Cryptography – Key management – Having particular key generator

Data encryption security module

Cryptography – Key management – Having particular key generator

Data encryption system

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Data encryption system and method

Cryptography – Particular algorithmic function encoding

Data encryption system for encrypting plaintext data

Cryptography – Communication system using cryptography – Symmetric key cryptography

Data encryption technique

Cryptography – Communication system using cryptography – Symmetric key cryptography

Data encryption/decryption method, and device

Cryptography – Key management – Having particular key generator

Data encryptor

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Data encryptor having a scalable clock

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

Data encryptor/decryptor using variable in-place I/O

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Data exchange system with a check of the apparatus for its authe

Cryptography – Key management – Having particular key generator

Data flow control apparatus and memory apparatus

Cryptography – Video cryptography – Video electric signal masking

Data hiding in communication