Patent ID: 9369489
Filing Date: 2016-06-14
CPC Classification: G06F,H04L

Claim Text:
1. A management device that is communicable with a holding device and a plurality of service providing devices for providing services using resources to the holding device and manages access rights to the resources relating to the service providing devices, the management device comprising a memory and a processor in communication with the memory, the processor configured to control: a managing unit configured to manage trust relationship information between the plurality of service providing devices and trust relationship information between the holding device and the service providing devices; a creating unit configured to create a subordinate customer tenant, which subordinates to a customer tenant, to the holding device; and a setting unit configured to set a transfer of access rights for the subordinate customer tenant of the holding device held by a first service providing device to a second service providing device, wherein the setting unit determines that the second service providing device trusts the first service providing device in accordance with a transmission of an entrustment acceptance from the second service providing device to the first service providing device, and manages first trust relationship information as a mutual trust relationship is established, wherein the setting unit determines that the holding device trusts the first service providing device in accordance with a transmission of access permitting information from the holding device, which has the created subordinate customer tenant, to the first service providing device according to an access permitting instruction provided by a customer of the subordinate customer tenant, and manages second trust relationship information as a mutual trust relationship is established, wherein the setting unit determines that the holding device trusts the second service providing device in accordance with a transmission of transfer acceptance information from the holding device, which has the created subordinate customer tenant, to the first service providing device according to a transfer acceptance instruction provided by the first service providing device, and manages third trust relationship information as a mutual trust relationship is established, and wherein, if the setting unit determines, based on the first, second and third trust relationship information, that the trust relationship between the first and second service providing devices and the trust relationship between the holding device and the first and second service providing devices exists, the setting unit sets the transfer of the access rights.