Account recovery key

Apparatus and method for authenticating access to a network...

Apparatus and method for protecting a computer system

Authentication apparatus, authentication method, and program

Authentication token

Authorization method

Click passwords

Click passwords

Cryptographic authorization with prioritized authentication

Device and method for authenticating user's access...

Embedding data in an information signal

Flash device security method utilizing a check register

Graphical password authentication based on pixel differences

Information processing method and information processing...

Integrated system security method

IP network and admission control method used therefor

IP network and admission control method used therefor

Method and apparatus for distributing shares of a password...

Method and apparatus for password generation

Method and apparatus for securing a list of passwords and...