Method and apparatus for copy protection
Method and apparatus for creating and executing secure scripts
Method and apparatus for creating electronic water marks in...
Method and apparatus for delegating digital signatures to a...
Method and apparatus for detecting and extracting fileprints
Method and apparatus for detecting data
Method and apparatus for detecting predefined signatures in...
Method and apparatus for determining the identity of a...
Method and apparatus for digital signature authentication
Method and apparatus for digital signature authentication,...
Method and apparatus for digital watermarking
Method and apparatus for digitally signing electronic mail...
Method and apparatus for digitally signing electronic mail...
Method and apparatus for distributing, interpreting, and...
Method and apparatus for efficiently initializing secure...
Method and apparatus for electronic commerce using digital...
Method and apparatus for embedding authentication information wi
Method and apparatus for embedding authentication information wi
Method and apparatus for embedding authentication information wi
Method and apparatus for embedding authentication...