Apparatus for avoiding complementarity in an encryption algorith

Apparatus for communicating with data systems and a method of co

Apparatus for data copyright management system

Apparatus for generating encryption/decryption look-up tables us

Apparatus for key distribution in an encryption system

Apparatus for recording a transaction including authenticating a

Apparatus for scrambling a digital video signal

Apparatus for scrambling a television signal

Apparatus for securing the integrity of a functioning system

Apparatus for verifying an identification card

Apparatus for verifying an identification card and identifying a

Apparatus, system and method for transmitting secure signals ove

Application level security system and method

Arrangement for and method of protecting private security codes

Asynchronous message system for menu-assisted resource control p

Auditable security system for the generation of cryptographicall

Authenticating remote users in a distributed environment

Authenticating the identity of an authorized person

Authentication engine architecture and method

Authentication for analog communication systems