engleski

Long-term preservation of digital signatures

Digitally born documents are increasingly being signed by the digital signatures. Once becoming records, they need to be preserved – in some cases for several years while in other cases permanently. In essence, what should be preserved besides the digital records themselves is their trustworthiness. This may be a problem because digital records might be converted to new formats, migrated to new media, emulated or virtualised in new environments due to the technological obsolescence. Authenticity, in particular, relies on the possibility to check the validity of digital signature. However, digital signatures expire after certain period. The author investigates the possibilities of long- term preservation of digitally signed records in the ever-changing IT environment.

digital records ; digital signatures ; digital certificates ; long-term preservation ; archival science

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