Method and apparatus for sending encrypted electronic mail...
Method and apparatus for serving content from a semi-trusted...
Method and apparatus for signing and sealing objects
Method and apparatus for simplified audio authentication
Method and apparatus for supporting authorities in a public...
Method and apparatus for synchronizing e-mail addresses
Method and apparatus for synchronizing e-mail addresses
Method and apparatus for the authentication of integrated...
Method and apparatus for transmitting data using authentication
Method and apparatus for transmitting message to wireless...
Method and apparatus for trusted branded email
Method and apparatus for uniquely and authoritatively...
Method and apparatus for uniquely and authoritatively...
Method and apparatus for unlocking a computer system hard drive
Method and apparatus for use of a watermark and a unique...
Method and apparatus for using imperfections in computing...
Method and apparatus for validating a digital signature
Method and apparatus for verifying secure document timestamping
Method and apparatus for verifying secure document timestamping
Method and apparatus for verifying secure document timestamping