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Get signature from an already signed document

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erbouchard

Post subject: Get signature from an already signed document

Posted: Wed Dec 04, 2024 10:21 pm

Joined: Wed Dec 04, 2024 10:11 pm
Posts: 2

Is it possible to read signature infos?

If, yes, how?

Tried to figure it out using PdfSharp-Extended PdfSignature class.

Regards (from Canada)

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TH-Soft

Post subject: Re: Get signature from an already signed document

Posted: Thu Dec 05, 2024 7:38 am

PDFsharp Guru

Joined: Sat Mar 14, 2015 10:15 am
Posts: 1026
Location: CCAA

Hi!

erbouchard wrote:

Tried to figure it out using PdfSharp-Extended PdfSignature class.

Maybe contact the authors of that extension.

_________________
Best regards
Thomas
(Freelance Software Developer with several years of MigraDoc/PDFsharp experience)

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erbouchard

Post subject: Re: Get signature from an already signed document

Posted: Thu Dec 05, 2024 6:44 pm

Joined: Wed Dec 04, 2024 10:11 pm
Posts: 2

I was thinking that this extension is from you. So I will find the info to contact him (her).

So, considering that in version 6.2.0 preview 1 you added the possibility to add a signature, is that possible with that future version to read (infos) from a signature?

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TH-Soft

Post subject: Re: Get signature from an already signed document

Posted: Mon Dec 09, 2024 8:21 am

PDFsharp Guru

Joined: Sat Mar 14, 2015 10:15 am
Posts: 1026
Location: CCAA

PDFsharp includes code that gives you access to all objects, but it is up to your code to traverse the objects and identify the signatures.

_________________
Best regards
Thomas
(Freelance Software Developer with several years of MigraDoc/PDFsharp experience)

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