Certification of Trustworthy Digital Repositories Arnold Rots HarvardSmithsonian

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Certification of Trustworthy Digital Repositories Arnold Rots Harvard-Smithsonian Cf. A 2007 -09 -27 IVOA

Certification of Trustworthy Digital Repositories Arnold Rots Harvard-Smithsonian Cf. A 2007 -09 -27 IVOA Interop Sep 2007 - ahr: TDR Certification

The Need for Certification • Trust level of users is still reasonably high, but

The Need for Certification • Trust level of users is still reasonably high, but is bound to drop • At some point users will want to know whether a service is “serious” and not flyby-night • Serious web services will need a mark of trustworthiness 2007 -09 -27 IVOA Interop Sep 2007 - ahr: TDR Certification 2

The Smithsonian Institution • SI comprises 13 musea and 9 research institutions – and

The Smithsonian Institution • SI comprises 13 musea and 9 research institutions – and a zoo • The museum units have discovered the digital world beyond virtual museum tours – for research and preservation purposes • Issues of authenticity, preservation, and trustworthiness are being pursued 2007 -09 -27 IVOA Interop Sep 2007 - ahr: TDR Certification 3

TRAC • OAIS Reference Model (ISO 14721) contained and item “Accreditation of Archives” •

TRAC • OAIS Reference Model (ISO 14721) contained and item “Accreditation of Archives” • RLG and NARA set out developing a “Trusted Repository Audit & Certification: Criteria and Checklist” (see also David Giaretta’s talk at ADASS) http: //wiki. digitalrepositoryauditandcertification. org/bin/view • Covers three main areas: • Organizational Infrastructure • Digital Object Management • Technologies, Technical Infrastructure, and Security 2007 -09 -27 IVOA Interop Sep 2007 - ahr: TDR Certification 4

Future Developments • RAC Working Group: moving TRAC toward ISO standard; there will be

Future Developments • RAC Working Group: moving TRAC toward ISO standard; there will be changes • There will likely be levels of certification • User communities – if not funding agencies – will start asking for certified repositories – NASA and SI already require ISO 17799 certification 2007 -09 -27 IVOA Interop Sep 2007 - ahr: TDR Certification 5

Certification and the VO • My assessment is that many of the major VO

Certification and the VO • My assessment is that many of the major VO repositories will move toward TDR certification • IVOA has categorically refused to serve as “data police” • However, TDR certification would give users some level of confidence 2007 -09 -27 IVOA Interop Sep 2007 - ahr: TDR Certification 6

Authentication • Authenticity has a very different meaning depending on whether one deals with

Authentication • Authenticity has a very different meaning depending on whether one deals with physical or digital objects • Proof of authenticity will become an issue • RXTE archive: – SHA (NIST FIPS 180 -1) message digests of all FITS data products are recorded and made available – Tool to calculate SHA MD is provided – I am not aware it has ever been used, but it is simple and cheap to provide this service 2007 -09 -27 IVOA Interop Sep 2007 - ahr: TDR Certification 7

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