LandOfFree - US Patents - Listing for Cryptography

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Method and apparatus for authentication of client server communi

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Method and apparatus for authentication of client server...

Reissue Patent

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Method and apparatus for authentication of postage accounting re

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Method and apparatus for authorizing remote internet access

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Method and apparatus for autokey rotor encryption

Cryptography – Video cryptography – Video electric signal modification

Method and apparatus for background caching of encrypted...

Cryptography – Cryptanalysis

Method and apparatus for broadband signal distribution

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Method and apparatus for calculating message signatures in advan

Cryptography – Video cryptography

Method and apparatus for carrying data in a video signal so...

Cryptography – Communication system using cryptography – Wireless communication

Method and apparatus for changing bit rate of digitized analog

Cryptography – Cryptanalysis

Method and apparatus for changing the data setting modes in a bo

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Method and apparatus for changing the master key in a cryptograp

Cryptography – Communication system using cryptography – Symmetric key cryptography

Method and apparatus for chaotic opportunistic lossless...

Cryptography – Communication system using cryptography – Symmetric key cryptography

Method and apparatus for clock synchronization using quantum...

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Method and apparatus for collaborative document control

Cryptography – Key management – Having particular key generator

Method and apparatus for combined encryption and scrambling of i

Cryptography – Video cryptography – Copy protection or prevention

Method and apparatus for communicating scrambled digital data

Cryptography – Communication system using cryptography

Method and apparatus for communicating secure data over a teleph

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Method and apparatus for communication of video, audio, teletext