Method and apparatus that processes a video signal to generate a
Method and apparatus to implement the data encryption...
Method and arrangement for communication of information
Method and arrangement for generating and checking a security im
Method and arrangement for the computer-aided exchange of...
Method and circuit apparatus for checking the authorization of a
Method and device for accurately dating an electronic document
Method and device for calculating a function from a large...
Method and device for constructing elliptic curves
Method and device for cryptographic processing with the aid...
Method and device for cryptographically processing data
Method and device for executing a decrypting mechanism...
Method and device for generating and for validating a digital me
Method and device for limiting the number of authentication oper
Method and device for loading input data into a program when...
Method and device for preventing unauthorized access to a comput
Method and device for qualitative saving of digitized data
Method and device for scrambling and descrambling of a specific
Method and device for the encryption and decryption of data
Method and device of increasing the execution speed of cipher fe