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Re: Australian Government guidance on PDF Accessibility

for

From: Webb, KerryA
Date: Jan 5, 2011 8:00PM

Duff wrote:
>
> On Jan 5, 2011, at 7:25 PM, Webb, KerryA wrote:
>
> > Birkir wrote:
> >
> >> It also open the possibility for document alterations.
> >>
> >
> > I hope you don't mind if I jump on this one; it's a pet peeve of mine.

. . .

>
>
> > I don't buy this. You can do a lot with computers; you can even mock up
> a genuine-looking altered PDF, so that argument just won't wash.
>
> Certainly, people believe all sorts of things - but it's nice to know when
> PDF can actually live up to the user's imagination. It's simply that it
> doesn't happen by magic.
>
> A PDF file may be digitally-signed with a CA (Certificate Authority)
> providing authentication of the file's origin. The signature itself
> provides assurance to the end-user that the file has not been altered
> after application of the signature.
>
> Here's one such example:
>
> http://www.gpoaccess.gov/usbudget/fy11/pdf/budget.pdf
>
> Try doing that with HTML. ;-)
>

Our go-to guy for CA stuff is away until next Monday; I'll check on our options then.

Thanks

Kerry
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