LandOfFree - US Patents - Listing for Cryptography

Cryptography – Particular algorithmic function encoding

Montgomery reduction apparatus

Cryptography – Video cryptography – Copy protection or prevention

Motion picture anti-piracy coding

Cryptography – Key management – Having particular key generator

Motion picture data encrypting method and computer system and mo

Cryptography – Video cryptography – Copy protection or prevention

Motion picture data encrypting method and computer system...

Cryptography – Video cryptography – Copy protection or prevention

Motion picture encoding and counterfeit tracking system and...

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Moving-picture encipherment method and system, and enciphered mo

Cryptography – Video cryptography – Copy protection or prevention

MPEG data recorder having IEEE 1394 interface

Cryptography – Video cryptography – Copy protection or prevention

MPEG-21 digital content protection system

Cryptography – Communication system using cryptography – Wireless communication

Multi-carrier communication system using ciphered carrier bit as

Cryptography – Electric signal modification – Having production of printed copy

Multi-color information encoding system

Cryptography – Key management – Key distribution

Multi-factor content protection

Cryptography – Cryptanalysis

Multi-media copy management system

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Multi-party secure session/conference

Cryptography – Key management – Having particular key generator

Multi-pass hierarchical pattern matching

Cryptography – Key management – Having particular key generator

Multi-privileged level directory access on the AT&T worldworxsm

Cryptography – Key management – Having particular key generator

Multi-purpose high speed cryptographically secure sequence gener

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Multi-purpose high speed cryptographically secure sequence gener

Cryptography – Key management – Having particular key generator

Multi-purpose transaction card system

Cryptography – By modifying optical image

Multi-section decoding lens