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Tue May 29, 2018 9:09 am

Hello,

I'm currently evaluating Spire.PDF for one of our customer projects.
I have used the evaluation version to decrypt some pdf files.

Unfortunately this does not work using pdf files with 'Acrobat X 256-Bit AES' encryption.

Are there any plans / timeline to support these pdf files?

Thanks!

Best Regards
Markus Döring

markusd
 
Posts: 1
Joined: Tue May 29, 2018 9:06 am

Tue May 29, 2018 9:52 am

Hello,

Thanks for your post.
Spire.PDF supports the decryption of PDF file with 'Acrobat X 256-Bit AES' encryption. I suggest you first upgrade to the latest version(Spire.PDF Pack(Hot Fix) Version:4.5.3). If the issue still exists, please send the document as well as the password to us(support@e-iceblue.com) to help us look into it.
In addition, below is my testing code.

Code: Select all
PdfDocument pdf = new PdfDocument();
pdf.LoadFromFile("input.pdf", "my password");
pdf.Security.Encrypt(string.Empty, string.Empty, PdfPermissionsFlags.Default, PdfEncryptionKeySize.Key256Bit, "my password");
pdf.SaveToFile("Decrypt.pdf", FileFormat.PDF);


Sincerely,
Jane
E-iceblue support team
User avatar

Jane.Bai
 
Posts: 1156
Joined: Tue Nov 29, 2016 1:47 am

Thu Jun 06, 2019 10:36 am

Hi,

Glad to inform you that the issue is fixed in Spire.PDF Pack(Hot Fix) Version:5.6.2.
Website link: https://www.e-iceblue.com/Download/down ... t-now.html
NuGet link: https://www.nuget.org/packages/Spire.PDF/5.6.2

Best wishes,
Betsy
E-iceblue support team
User avatar

Betsy.jiang
 
Posts: 3099
Joined: Tue Sep 06, 2016 8:30 am

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