INCREASED SECURITY THROUGH EPHEMERAL KEYS FOR SOFTWARE VIRTUAL CONTACTLESS CARD IN MOBILE PHONE

摘要

A method and a system for providing a mobile device with a derived key (DK), to allow a Trusted Application (TA) on said mobile device to perform a transaction with a reader device provided with a master key (MK), the Trusted Application (TA) and the reader device being adapted to securely communicate using said master key (MK) and said derived key (DK) using an adapted communication protocol.