Patent ID: 7814557
Filing Date: 2010-10-12
Classification: G06F,G06Q,G07F

Abstract:
1. An IC card, comprising: file creating means for, in response to a voucher file creation request from a communication partner, creating a voucher file while defining the communication partner as a voucher issuer; file access authority setting means for, in response to an access authority setting request from the communication partner as the voucher issuer, setting an access authority to the voucher file; folder creating means for, in response to a folder creation request from an owner to request a creation of a folder containing the voucher file, creating the folder; folder access authority setting means for, in response to an access authority setting request from the owner, setting an access authority to the folder; access controlling means for controlling an access to the voucher file, based on at least one of the access authority to the voucher file and the access authority to the folder containing the voucher file; and an authenticator configured to determine how an access partner is to be authenticated, among an owner authentication mode, a partner authentication mode, and a non-authentication mode, based on authentication mode information designated by the access partner at a start of a communication, wherein the access controlling means,