METHOD AND SYSTEM FOR SECURING DATA ORIGINALITY, AND PROGRAM FOR SECURING DATA ORIGINALITY

PROBLEM TO BE SOLVED: To provide a method and a system for securing data originality and a program for securing data originality capable of preserving data while more easily securing its originality.SOLUTION: A system 1 for securing data originality comprises: a divided data generation part 13 which...

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Bibliographische Detailangaben
Hauptverfasser: WATABE KATSUTOSHI, OGIWARA TOSHIHIKO, NOMURA SUSUMU
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a method and a system for securing data originality and a program for securing data originality capable of preserving data while more easily securing its originality.SOLUTION: A system 1 for securing data originality comprises: a divided data generation part 13 which uses a secret dispersion method to divide source data into a plurality of pieces of division data D(1) to D(4) respectively from which the source data can be restored; and a plurality of storage servers 3a1 to 3a4 which are independent in a hardware manner to respectively store the plurality of pieces of divided division data D(1) to D(4).