Data processing method, its program, and its device

Mutual authentication is performed by using first and second authentication key data between a first data processing device and a second data processing device. When the mutual authentication is succeeded, the first data processing device uses encryption key data for encrypting predetermined data an...

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Bibliographische Detailangaben
1. Verfasser:	OMORI KAZUO,HONJO AKIRA,SUEYOSHI MASAHIRO,HANAKI NAOFUMI,TATENO KEI
Format:	Patent
Sprache:	eng
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:	Mutual authentication is performed by using first and second authentication key data between a first data processing device and a second data processing device. When the mutual authentication is succeeded, the first data processing device uses encryption key data for encrypting predetermined data and outputs the data to the second data processing device. The second data processing device decrypts the encrypted data by using decryption key data and judges whether the data is adequate or not for making the data to effective.