Extract/Read digital signatures from PDF

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I resolved to doing something similar.

I used the Spire.PDF nuget package to write myself some C# code which I turned into an activity.

I’ll release the activity on the marketplace once it’s somehow production ready, but if anyone’s interested, I basically used this code:

https://www.e-iceblue.com/Tutorials/Spire.PDF/Spire.PDF-Program-Guide/Get-and-Verify-Digital-Signature-in-PDF-with-C-Code.html

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