FALSIFIED APPARATUS SPECIFYING SYSTEM, FALSIFIED APPARATUS SPECIFYING PROGRAM AND FALSIFIED APPARATUS SPECIFYING METHOD
To specify the information of which apparatus among a plurality of apparatuses has been falsified.SOLUTION: Each of an operation unit-side key K20 and a body unit-side key K30 is set so as to correspond to each apparatus and set so as to be different for each apparatus. An operation unit-side code g...
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Main Authors | , |
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Format | Patent |
Language | English Japanese |
Published |
01.07.2021
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Subjects | |
Online Access | Get full text |
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Summary: | To specify the information of which apparatus among a plurality of apparatuses has been falsified.SOLUTION: Each of an operation unit-side key K20 and a body unit-side key K30 is set so as to correspond to each apparatus and set so as to be different for each apparatus. An operation unit-side code generation unit 25 generates an operation unit-side falsification detection code on the basis of specification information which is information for a specific apparatus and the operation unit-side key K20 that corresponds to the specific apparatus. A body unit-side code generation unit 65 generates a body unit-side falsification detection code on the basis of specification information received from the operation unit 20 and the body unit-side key K30 that corresponds to the specific apparatus. A falsification detection unit 67 determines whether or not the operation unit-side falsification detection code and the body unit-side falsification detection code match and thereby detects the falsification of the specification information.SELECTED DRAWING: Figure 1
【課題】複数の機器のうち、どの機器に対する情報が改ざんされたかを特定する。【解決手段】操作部側鍵K20および本体部側鍵K30のそれぞれは、機器ごとに対応するように設定され、かつ、機器ごとに異なるように設定される。操作部側符号生成部25は、特定機器に対する情報である特定情報と、特定機器に対応する操作部側鍵K20と、に基づいて操作部側改ざん検出符号を生成する。本体部側符号生成部65は、操作部20から受信した特定情報と、特定機器に対応する本体部側鍵K30と、に基づいて本体部側改ざん検出符号を生成する。改ざん検出部67は、操作部側改ざん検出符号と、本体部側改ざん検出符号と、が一致するか否かを判定することで、特定情報の改ざんを検出する。【選択図】図1 |
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Bibliography: | Application Number: JP20190232333 |