Preservation aware fixity in digital preservation

Details Preservation aware fixity in digital preservation Preservation aware fixity in digital preservation

2008-10-15

2011-10-25

Vital, Pierre M (Department: 2156)

Data processing: database and file management or data structures

File or database maintenance

Database archive

C707S690000, C707S694000, C707S698000, C707S956000

Reexamination Certificate

active

08046337

ABSTRACT:
A computer based method for the preservation of a digital information in a data set includes receiving a data set to be preserved, the data set including a plurality of preservation objects; creating a fixity table, the fixity table including one or more data types corresponding to preservation data types contained in the preservation objects, each data type being assigned an importance rank and one or more fixity function; for each preservation object, creating a Merkle tree corresponding to the preservation object and based on the fixity table.

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Marc Schneider et al., A Robust Content Based Digital Signature for Image Authentication, IEEE, Sep. 16-19, 1996, pp. 227-230, vol. 3 .
Carl Rauch et al., Preserving Digital Media: Towards a Preservation Solution Evaluation Metric, ICADL 2004, pp. 203-212.
Jana Dittman et al., Content—based Digital Signature for Motion Pictures Authentication and Content—Fragile Watermarking, German National Research Center for Information Technology, Institute (IPSI), IEEE 2004, pp. 209-213.
Ralph C. Merkle, A Digital Signature Based on a Conventional Encryption Function, 1998, 10Pgs, Spinger-Verlag.
Federal Register, vol. 72, No. 212, Friday, Nov. 2, 2007, pp. 62212-62220.

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