Machine incorporating an accounts verification system

Mail processing system including data center verification for ma

Management of cryptographic keys

Means and method for ciphering and transmitting data in...

Means for identification and exchange of encryption keys

Mechanism for keeping a key secret from mobile eavesdroppers

Memory card

Memory tagging for object reuse protection

Merchant specific debit card verification system

Message authorization system for authorizing message for electro

Message protection mechanism and graphical user interface theref

Metering system with remotely resettable time lockout

Method and apparatus for a cryptographically-assisted commercial

Method and apparatus for access control and/or identification

Method and apparatus for access to user-specific encryption...

Method and apparatus for allowing access to secured computer res

Method and apparatus for an adapter card providing conditional a

Method and apparatus for authenticating a data carrier intended

Method and apparatus for authenticating accreditations and for a

Method and apparatus for authenticating messages