Patent ID: 9183400
Filing Date: 2015-11-10
Classification: G06F

Abstract:
1. An IC card comprising: a communication unit configured to perform data communication with an external apparatus; a data memory configured to store files managed by a hierarchical structure, a folder as an upper layer of the files, and information concerning inheritance of a security status between a plurality of folders; and a control element configured to set a first folder in an unselected state and set a second folder in a selected state after receiving a selection command when the selection command is received by the communication unit while the first folder is selected, configured to determine whether inheritance of the security status is possible when the second folder is selected, configured to invalidate the security status established while the first folder is selected when it is determined that inheritance of the security status is impossible, and configured to inherit a security status established while the first folder is selected when it is determined that inheritance of the security status is possible.