专利名称：System and method for securing remote
terminal and remote terminal program
发明人：Katsuaki Tanioka,Yoro Mizuno申请号：US07/440431申请日：19891121公开号：US05101373A公开日：19920331
摘要：A data processing system in which terminal equipment and a central processingunit are connected to each other to make communication therebetween. A program forterminal use held by terminal equipment is also held by the central processing unit. Usingparameters for approval operation generated by the central processing unit, theterminal equipment and the central processing unit perform the approval operations ofprograms for terminal use held by each of them. Results of the approval operations arecompared by the central processing unit. If they are in agreement with each other, thecommunication is permitted to be continued relative to the terminal equipment.
申请人：HITACHI, LTD.
代理机构：Fay, Sharpe, Beall, Fagan, Minnich & McKee
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