Method for storing and retrieving digital data transmissions

Method for television scrambling

Method for testing a random number source and electronic...

Method for the computer-aided exchange of cryptographic keys bet

Method for the computer-assisted production of public keys...

Method for the computer-assisted production of public keys...

Method for the estimation and recovering of general affine...

Method for the fast synchronization of vocoders coupled to one a

Method for the secure, distributed generation of an...

Method for the transmission of management data

Method for transferring an encryption key

Method for undetectably impeding key strength of encryption...

Method for updating a network ciphering key

Method for using an access card to create a secure...

Method for verifying digital franking notes

Method for verifying the use of public keys generated by an...

Method of and an apparatus for generating internal crypto-keys

Method of and an apparatus for generating pseudo-random numbers

Method of and apparatus for determining a key pair and for...

Method of and apparatus for encrypting and transferring files