Signing PDFs and Timestamps (reloaded)

Discussions about PDF management.
Gabriela
Posts: 49
Joined: Wed Nov 22, 2017 9:52 am

Re: Signing PDFs and Timestamps (reloaded)

Post by Gabriela » Wed Mar 21, 2018 9:20 am

Hi,
I can confirm that SHA-256 is used as default now, as from 2016 onward the SHA-1 algorithm is deprecated.
You can find more details here:
http://guides.gdpicture.com/content/web ... eHash.html
Kind regards,

Gabriela
GdPicture Team

MattyBoy
Posts: 8
Joined: Mon Mar 15, 2010 5:46 pm

Re: Signing PDFs and Timestamps (reloaded)

Post by MattyBoy » Thu Nov 08, 2018 11:52 pm

We have a "Symantec Class 3 SHA256 Code Signing CA" certificate. I can only sign if I set the hash to SHA1. ApplySignature returns a status of "CertificateWrongFormat" if I try SHA256. Am I doing something wrong.

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