Method and apparatus for validating authorization to access info

Method and apparatus for validating data packets in a paging sys

Method and apparatus for validating system operation

Method and apparatus for variable-overhead cached encryption

Method and apparatus for vector quantization

Method and apparatus for vertically scrambling and descrambling

Method and apparatus for voice encryption in a communications sy

Method and apparatus of decoding and deciphering a rotated video

Method and apparatus of enciphering and deciphering data...

Method and apparatus of enciphering and deciphering data...

Method and apparatus of secure server control of local media via

Method and apparatus storing multiple protocol, compressed audio

Method and apparatus that processes a video signal to...

Method and apparatus to detect and recover a pseudo-random seque

Method and apparatus to detect watermark that are resistant...

Method and apparatus to reduce effects of certain copy protectio

Method and apparatus to reduce the risk of observation of a...

Method and circuit arrangement for the acceptance and forwarding

Method and communications system for ciphering information...

Method and device for effective key length control