System for the safe transmission of messages

System including separable protected components and associated m

Systems and methods for protecting software from unlicensed copy

Systems and methods for secure transaction management and electr

Systems and methods for secure transaction management and electr

Systems and methods for secure transaction management and electr

Tamper protection cell

Tamper resistant packaging for information protection in electro

Tamper-proof data storage

Tamper-resistant method for authorizing access to data between a

Tamper-resistant packaging for protection of information stored

Television picture and sound scrambler and method

Television scrambler

Television signal enhancement and scrambling system

Television signal enhancement and scrambling system

Television signal processing network for subscription television

Television viewing control device and method

Temperature compensated trap filter

Terminal adapter

Testing of an algorithm executed by an integrated circuit