System and method for communications security protection

System and method for controlling copying and playing of digital

System and method for copy-protecting distributed video content

System and method for disaster recovery in an open metering syst

System and method for executing verifiable programs with facilit

System and method for interactive visualization, analysis and co

System and method for managing try-and-buy usage of application

System and method for near-field human-body coupling for encrypt

System and method for performing software patches in embedded sy

System and method for processing transaction messages

System and method for remote authorization for unlocking electro

System and method for securing DTMF transmission

System and method for selective restriction of ciphering

System and method for transmitting a plurality of digital servic

System and method for transmitting desired digital video or digi

System and method of protecting integrity of computer data and s

System for automatic decryption of file data on a per-use basis

System for automatic decryption of file data on a per-use basis

System for computer software protection

System for controlling access and distribution of digital proper