Method and system for the secured distribution of multimedia tit

Method and system for timed-release cryptosystems

Method and system for transmitting signaling information...

Method and system for using a non-inversible transform and dynam

Method and system for variable password access

Method and system in a telephone exchange system

Method and system of securely escrowing private keys in a...

Method and system providing improved security for the...

Method and system to authenticate a peer in a peer-to-peer...

Method and system to secure the transmission of data elements be

Method and system to securely distribute content via a network

Method for accelerating cryptographic operations on elliptic...

Method for accessing a user operable device of controlled...

Method for assigning encryption keys

Method for assigning encryption keys

Method for authenticating communications participants, system fo

Method for broadcast encryption and key revocation of...

Method for carrying out an electronic transaction using...

Method for coding and de-coding audio and video information

Method for communicating and checking authentication data...