DISPLAY UNIT, DISPLAY METHOD, AND PROGRAM

DISPLAY UNIT, DISPLAY METHOD, AND PROGRAM

To provide a display unit, a display method, and a program that reduces the risk of leakage of data in the display unit.SOLUTION: An electronic blackboard comprises: a determination unit that determines whether a storage has a protective function using a first cipher key; a second cipher key setting...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: KENMOCHI EIJI
Format: Patent
Sprache:eng ; jpn
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
PHYSICS
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:To provide a display unit, a display method, and a program that reduces the risk of leakage of data in the display unit.SOLUTION: An electronic blackboard comprises: a determination unit that determines whether a storage has a protective function using a first cipher key; a second cipher key setting unit, when the determination unit determines that the storage has the protective function using the first cipher key, adds a protective function using a second cipher key to the storage; a cipher key storage unit that stores the second cipher key; and a deletion unit that deletes the protective function of the storage using the first cipher key.SELECTED DRAWING: Figure 5 【課題】表示装置におけるデータの漏洩リスクを軽減する表示装置，表示方法およびプログラムを提供する。【解決手段】電子黒板において，記憶装置が第一暗号鍵による保護機能を有するか否かを判定し，判定部によって記憶装置が第一暗号鍵による保護機能を有すると判定された場合に，第二暗号鍵による保護機能を記憶装置に追加する第二暗号鍵設定部と、第二暗号鍵を記憶する暗号鍵記憶部と、第一暗号鍵による記憶装置の保護機能を削除する削除部と、を備える。【選択図】図５