发明名称 PORTABLE ELECTRONIC DEVICE AND CONTROL METHOD OF PORTABLE ELECTRONIC DEVICE
摘要 <P>PROBLEM TO BE SOLVED: To provide a portable electronic device and a control method of the portable electronic device capable of indirectly inspecting a piece of data with high accuracy. <P>SOLUTION: The portable electronic device includes: a memory that stores data; a receiving section that receives a command transmitted from an external apparatus; a command processing section that, when the receiving section receives an issuance command, obtains a piece of data based on the issued command and writes the obtained data in the memory; a hash value calculation section that, when the receiving section receives an inspection command, calculates a hash value based on the data in the memory; a response processing section that generates a response based on the hash value calculated by the hash value calculation section; and a transmitting section that transmits the response generated by the response processing section to the external apparatus. <P>COPYRIGHT: (C)2013,JPO&INPIT
申请公布号 JP2012243133(A) 申请公布日期 2012.12.10
申请号 JP20110113496 申请日期 2011.05.20
申请人 TOSHIBA CORP 发明人 TOMOE HIROKI
分类号 G06K19/07;B42D15/10;G06K17/00 主分类号 G06K19/07
代理机构 代理人
主权项
地址