Method and system for suthenticating electronic memory cards

Method and system for the mutual encyphered indentification betw

Method and system for the secure transmission and storage of pro

Method and system for transferring funds from an account to an i

Method and system for transmission of financial data

Method and system for writing information in a data carrier maki

Method apparatus and system of performing one or more...

Method for acquiring and revalidating an electronic credential

Method for activating and executing protected functions in a com

Method for adaptively switching between PCS authentication schem

Method for algorithm independent cryptographic key management

Method for authenticating a user working in a distributed enviro

Method for authenticating an external authorizing datum by a por

Method for authentication between two electronic devices

Method for automatically assigning enctyption information to a g

Method for cancelling a transaction of an electronic payment mea

Method for certifying public keys in a digital signature scheme

Method for certifying public keys in a digital signature scheme

Method for certifying public keys in a digital signature scheme

Method for certifying the authenticity of a datum exchanged betw