专利名称：DATA MANAGEMENT DEVICE, POWER
USAGE CALCULATION SYSTEM, DATAMANAGEMENT METHOD, AND COMPUTERPROGRAM PRODUCT
发明人：Shinji Yamanaka,Yuichi Komano,Satoshi Ito申请号：US14179745申请日：20140213
公开号：US20140310524A1公开日：20141016
专利附图：
摘要：According to an embodiment, a data management device includes a receiver; a
first calculator; a second calculator; and a transmitter. The receiver is configured toreceive at least one piece of encrypted data obtained by encrypting a piece of data andat least one message authentication code for the piece of encrypted data. The firstcalculator is configured to aggregate pieces of encrypted data received to calculateaggregated encrypted data corresponding to a sum of the pieces of data encrypted. Thesecond calculator is configured to sum up message authentication codes received tocalculate a total value of the message authentication codes for the aggregated
encrypted data. The transmitter is configured to transmit the aggregated encrypted dataand the total value of the message authentication codes.
申请人：KABUSHIKI KAISHA TOSHIBA
地址：Tokyo JP
国籍：JP
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