Patent ID: 7376973
Filing Date: 2008-05-20
Classification: G06F,G06Q,G07F

Abstract:
1. A data storage apparatus for administering regions for storing data in a hierarchical structure, the data storage apparatus comprising: a memory, for storing information, wherein the memory comprises: means for receiving a request for forming one of the first area definition region, the service region, the area registration service definition region, the service registration service definition region, and the service definition region and receiving information relating to the region associated with the forming request, at least a portion of the information being encrypted; means for reading a key stored in the memory based on the received information; means for decrypting the encrypted information using the key read by the means for reading, wherein the key is read from an upper region of the region to be formed by referring to the forming request; and means for forming the region associated with the forming request in memory based on the decrypted information.