LandOfFree - US Patents - Listing for Cryptography

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Apparatus and method for access control

Cryptography – Video cryptography – Video electric signal modification

Apparatus and method for an iterative cryptographic block

Cryptography – Video cryptography – Video electric signal modification

Apparatus and method for an iterative cryptographic block

Cryptography – Video cryptography – Video electric signal modification

Apparatus and method for an iterative cryptographic block

Cryptography – Communication system using cryptography – Wireless communication

Apparatus and method for applying ciphering in a universal...

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Apparatus and method for authenticating transmitting application

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Apparatus and method for authentication and encryption of a remo

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Apparatus and method for authentication and session key exchange

Cryptography – Electric signal modification – Having production of printed copy

Apparatus and method for authentication of printed documents

Cryptography – Video cryptography – Video electric signal modification

Apparatus and method for broadcast services transmission and...

Cryptography – Cryptanalysis

Apparatus and method for certifying the delivery of information

Cryptography – Key management – Having particular key generator

Apparatus and method for changing the behavior of a computer pro

Cryptography – Communication system using cryptography – Time segment interchange

Apparatus and method for cipher processing system using...

Cryptography – Communication system using cryptography – Time segment interchange

Apparatus and method for cipher stealing when encrypting MPEG tr

Cryptography – Cryptanalysis

Apparatus and method for comprehensive copy protection for video

Cryptography – By modifying optical image

Apparatus and method for computer screen security

Cryptography – Communication system using cryptography – Wireless communication

Apparatus and method for concealing data bursts in an analog scr

Cryptography – Communication system using cryptography – Speech scrambler detail

Apparatus and method for concealing data bursts in an analog...

Cryptography – Facsimile cryptography – Including generation of an associated coded record

Apparatus and method for confirming, timestamping, and...