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Subject: Re: [office] Digital Signature proposal

2008/7/30 Duane Nickull <dnickull@adobe.com>:
> On this topic, has anyone on this TC covered cross-standard workflows to
> determine requirements?  A typical request is to take an ODF doc and archive
> it in PDF format.  Ensuring the dSig info can be archived in a format that
> it will still be capable of being authenticated 50 years from now is a hot
> topic with lots of governments.

Highly unlikely.
The signature is based on a specific instance (say the content.xml
file in office).
Why should we expect it to survive a transform into PDF, back out of it,
then remain valid?

The ODF and PDF instances are different documents.
Hence the signature should be invalidated IMO


Dave Pawson

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