LandOfFree - US Patents - Listing for Cryptography

Cryptography – Particular algorithmic function encoding

Cryptosystems using commuting pairs in a monoid

Cryptography – Equipment test or malfunction indication

Crytographic device with secure testing function

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Crytographic system and process and its application

Cryptography – Communication system using cryptography – Circuit switched network

Current-sensitive telephone-line disconnect system

Cryptography – Communication system using cryptography – Having compression

Custom character-coding compression for encoding and...

Cryptography – Communication system using cryptography – Having compression

Custom character-coding compression for encoding and...

Cryptography – Communication system using cryptography – Having compression

Custom character-coding compression for encoding and...

Cryptography – Video cryptography

Customized advertisement splicing in encrypted entertainment...

Cryptography – Particular algorithmic function encoding

Cyclotomic polynomial construction of discrete logarithm...

Cryptography – Communication system using cryptography – Symmetric key cryptography

Cyphering/decyphering performed by an integrated circuit

Cryptography – Communication system using cryptography – Symmetric key cryptography

Cyphering/decyphering performed by an integrated circuit

Cryptography – Key management – Having particular key generator

D.C.-coupled video clamping circuit

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

Data access and permute unit

Cryptography – Key management – Key escrow or recovery

Data access control system and method thereof

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Data access verification system

Cryptography – Key management – Having particular key generator

Data acquiring apparatus

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Data acquisition device

Cryptography – Video cryptography – Video electric signal modification

Data administration method

Cryptography – Key management – Having particular key generator

Data authentication and protection system