On Tue, 2021-06-08 at 23:29 +0100, Adam Reviczky wrote: > Not sure how good it is, but in the poppler discussion this site was > mentioned to verify the signature details: > https://validator.docusign.com/ > > I have tried using with poppler's pdfsig and Okular. >
Oh, that's a great tool, thanks! Leo > Adam > > On Tue, Jun 8, 2021 at 10:14 PM Leonard Janis Robert König < > l...@ljrk.org> wrote: > > On Tue, 2021-06-08 at 17:41 +0200, Pablo Rodriguez wrote: > > > On 6/7/21 10:43 PM, Leonard Janis Robert König wrote: > > > > Hi Adam, Hi Pablo, > > > > > > > > I just noticed your replies, sorry for the late answer! > > > > > > > > I could sign forms with both okular as well as mupdf just fine, > > > > although the behavior is different. The former assumes that > > > > the > > > > field > > > > is already an existing signature and segfaults when you look at > > the > > > > properties, but cann successfully add another signature using > > > > the > > > > "Tools" menu. > > > > > > > Hi Pablo, > > > > > I’m afraid that I don’t use Okular. > > > > > > > With the latter you can click on the form field to > > > > trigger a menu to select the signature you want to sign with, > > > > and > > > > it > > > > "replaces" the "empty" signature generated by ConTeXt. Both > > > > work > > > > fine, > > > > even with my newer ConTeXt. > > > > > > mupdf-gl signs the document, but in a way that only mupdf-gl > > > understands it. > > > > > > Try to open a PDF document signed with mupdf-gl in Acrobat > > > (Reader > > or > > > not). You will see that the signature is wrong. > > > > Hm, I tested with Okular, Firefox and MasterPDF as I don't have > > Acrobat > > on Linux, and both understand the signature, which is why I thought > > it'd be correct. > > > > > > > > > > On Sun, May 2, 2021 at 5:50 PM Pablo Rodriguez <oi...@gmx.es> > > > > > wrote: > > > > > > [...] > > > > > > From my experience, only Acrobat deals with child objects > > > > > > in > > > > > > signatures > > > > > > generating a valid signature (and rewriting the two objects > > > > > > into a > > > > > > single one). > > > > > > > > As mentioned above, it seems that mupdf (now?) actually > > > > rewrites > > > > "both" > > > > signatures into one, however Okular doesn't. > > > > > > Sorry, objects is a very special term in PDF parlance. It has > > nothing > > > to > > > do with signatures. > > > > > > Just in case it might help, > > > > Ah, I see. I'm still a bit unsure what to make of the "fields > > nested > > in TABLEs" issue, but maybe further debugging will show at some > > point. > > > > ~ Leo > > > > ___________________________________________________________________ > > __ > > ______________ > > If your question is of interest to others as well, please add an > > entry to the Wiki! > > > > maillist : ntg-context@ntg.nl / > > http://www.ntg.nl/mailman/listinfo/ntg-context > > webpage : http://www.pragma-ade.nl / http://context.aanhet.net > > archive : https://bitbucket.org/phg/context-mirror/commits/ > > wiki : http://contextgarden.net > > ___________________________________________________________________ > > __ > > ______________ > _____________________________________________________________________ > ______________ > If your question is of interest to others as well, please add an > entry to the Wiki! > > maillist : ntg-context@ntg.nl / > http://www.ntg.nl/mailman/listinfo/ntg-context > webpage : http://www.pragma-ade.nl / http://context.aanhet.net > archive : https://bitbucket.org/phg/context-mirror/commits/ > wiki : http://contextgarden.net > _____________________________________________________________________ > ______________ ___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://context.aanhet.net archive : https://bitbucket.org/phg/context-mirror/commits/ wiki : http://contextgarden.net ___________________________________________________________________________________
