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256bit Encryption

Moderator: Stefan Lange

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edwardforgacs

Post subject: 256-bit AES Encryption

Posted: Tue Nov 19, 2013 7:06 am

Joined: Tue Nov 19, 2013 6:55 am
Posts: 1

I wonder if there are any plans to enhance the encryption to support 256-bit AES as supported by PDF 1.7 / Acrobat X and above?

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patrickjjs

Post subject: 256bit Encryption

Posted: Wed Mar 28, 2018 6:47 am

Joined: Wed Mar 28, 2018 6:44 am
Posts: 1

Hello Team,
is it possible to implement the 256 bit Encryption in the Output PDF.

Thanks

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TH-Soft

Post subject: Re: 256bit Encryption

Posted: Mon Apr 02, 2018 8:33 am

PDFsharp Guru

Joined: Sat Mar 14, 2015 10:15 am
Posts: 1063
Location: CCAA

Hi!

patrickjjs wrote:

is it possible to implement the 256 bit Encryption in the Output PDF.

Is that a question?
It should be possible.

A partial implementation for input PDFs can be found here:
viewtopic.php?p=8531#p8531

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

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TH-Soft

Post subject: Re: 256-bit AES Encryption

Posted: Mon Apr 02, 2018 8:34 am

PDFsharp Guru

Joined: Sat Mar 14, 2015 10:15 am
Posts: 1063
Location: CCAA

edwardforgacs wrote:

I wonder if there are any plans to enhance the encryption to support 256-bit AES as supported by PDF 1.7 / Acrobat X and above?

Not on the roadmap for the near future, but I think it would make sense to have it.

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

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Thomas Hoevel

Post subject: Re: 256bit Encryption

Posted: Tue Apr 03, 2018 12:22 pm

PDFsharp Guru

Joined: Mon Oct 16, 2006 8:16 am
Posts: 3136
Location: Cologne, Germany

We think it would be good to have that new encryption, but we cannot estimate how complicated the implementation will be.

_________________
Regards
Thomas Hoevel
PDFsharp Team

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