Patent ID: 8719840

Claim:
A device comprising: a first application unit and a second application unit both provided in a first portion of the device, said first application unit providing a functionality associated with a data content and said second application unit operating on said data content; a transfer unit provided in a second portion of the device; and a read and/or write device interface having a common communication connection with at least one read and/or write device, said transfer unit and at least one of said first application unit and said second application unit, wherein communication with said at least one read and/or write device through said read and/or write device interface is performed according to a first communication protocol; wherein a higher level of security is provided in the first portion than in the second portion, said higher level of security being associated with measures for handling of data in said first portion that are lacking in the second portion; wherein the transfer unit is configured to: receive a message according to a second communication protocol from the first application unit; convert the message in accordance with the first communication protocol for sending the converted message to the second application unit; transmit an encrypted message between the first application unit and the second application unit; and operate as a data mirror of data in the first application unit and the second application unit operates on the mirrored data, said transfer unit lacking means to decrypt said encrypted message.