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256bit Encryption
https://forum.pdfsharp.net/viewtopic.php?f=4&t=3752
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Author:  edwardforgacs [ Tue Nov 19, 2013 7:06 am ]
Post subject:  256-bit AES Encryption

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?

Author:  patrickjjs [ Wed Mar 28, 2018 6:47 am ]
Post subject:  256bit Encryption

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

Thanks

Author:  TH-Soft [ Mon Apr 02, 2018 8:33 am ]
Post subject:  Re: 256bit Encryption

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

Author:  TH-Soft [ Mon Apr 02, 2018 8:34 am ]
Post subject:  Re: 256-bit AES Encryption

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.

Author:  Thomas Hoevel [ Tue Apr 03, 2018 12:22 pm ]
Post subject:  Re: 256bit Encryption

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

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