Method and apparatus for purchasing and delivering digital goods

Method and apparatus for relaying digitally signed messages

Method and apparatus for restrospectively identifying an individ

Method and apparatus for retrieving X.509 certificates from an X

Method and apparatus for scramble type broadcast receiving with

Method and apparatus for seamless crypto rekey system

Method and apparatus for secure data transmission

Method and apparatus for secure identification and verification

Method and apparatus for secure identification and verification

Method and apparatus for secure measurement certification

Method and apparatus for secure PIN entry

Method and apparatus for secure pin entry

Method and apparatus for secure remote authentication in a publi

Method and apparatus for secure remote authentication in a publi

Method and apparatus for secured transmission of confidential da

Method and apparatus for securely handling a personal identifica

Method and apparatus for securely handling data in a database of

Method and apparatus for securing access to a computer facility

Method and apparatus for securing credit card transactions

Method and apparatus for settlement of accounts by IC cards