Method and apparatus for data authentication in a data communica
Method and apparatus for data encryption
Method and apparatus for data encryption
Method and apparatus for data encryption and transmission
Method and apparatus for data encryption/decryption using cellul
Method and apparatus for designing cipher logic, and a...
Method and apparatus for detecting unauthorized distribution of
Method and apparatus for digital encryption
Method and apparatus for digital signature authentication
Method and apparatus for digital signature authentication
Method and apparatus for digital signature authentication
Method and apparatus for digital signature authentication
Method and apparatus for digital signature authentication
Method and apparatus for digitizing a scrambled analog video sig
Method and apparatus for document verification and tracking
Method and apparatus for efficient real-time authentication and
Method and apparatus for efficient real-time authentication and
Method and apparatus for electronic license distribution
Method and apparatus for electronic licensing
Method and apparatus for electronically preventing unauthorized