Tamper resistant smart card and method of protecting data in a smart card

摘要

A method of protecting data in a smart card (10) from unauthorized access, the method comprising providing a housing defined by first and second housing portions (12, 13); employing a volatile memory (14) in the smart card for storing the data, and supporting the volatile memory from the first housing portion; providing a power supply (15) in the housing, the power supply maintaining the data in the volatile memory while the power supply is connected to the volatile memory; and connecting the power supply to the volatile memory using a conductor (17) supported by and movable with the second housing portion. A smart card comprising a housing including two opposing major portions that are connected together; an integrated circuit (18) supported in the housing, the integrated circuit in