Progress® Telerik® UI for WinForms Feedback Portal
Back to Feed
Request a Feature Report a Bug
Completed
Last Updated: 14 Sep 2021 06:56 by ADMIN
ADMIN
Stefan
Created on: 13 Mar 2015 12:06
Category: PdfViewer
Type: Feature Request
18
ADD. RadPdfViewer - Add support for Encryption Algorithm 4
Import documents that use this type of encryption. Currently, a handled NotSupportedEncryptionException with message "The encryption method with code 5 is not supported." is thrown while importing such a document.
10 comments
ADMIN
Martin
Posted on: 14 Sep 2021 06:56

Hi Kramer,

Encryption Algorithm 5 differs from Algorithm 4 and we have a separate feature request logged for providing support for it: PdfProcessing: Support Encryption Algorithm 5 with AES 256. You can cast your vote for the implementation as well as subscribe to the task by clicking the Follow button so you can be notified when its status changes.

Regards,
Martin
Progress Telerik

Virtual Classroom, the free self-paced technical training that gets you up to speed with Telerik and Kendo UI products quickly just got a fresh new look + new and improved content including a brand new Blazor course! Check it out at https://learn.telerik.com/.

Kramer
Posted on: 13 Sep 2021 23:01
Encryption method with code 5 seems to be 256-bit AES encryption according to the PDF 2.0 spec. Is there support for this one as well?
ADMIN
Stefan
Posted on: 17 Aug 2018 08:23 
Yes it is, here is a link to the WPF request: https://feedback.telerik.com/Project/143/Feedback/Details/147053-pdfviewer-add-support-for-encryption-algorithm-4
Christopher
Posted on: 16 Aug 2018 13:02 
Is the Encryption Algorithm 4 (RC4/AES-128) also available for Telerik UI for WPF?
ADMIN
Ralitsa
Posted on: 10 Jan 2018 14:21 
Hi guys, 

RadPdfViewer will support documents encrypted with Encryption Algorithm 4 (RC4/AES-128) with our next version Telerik UI for WinForms R1 2018 scheduled for the middle of January. If you observe any issues related to encryption algorithm 5, it will be greatly appreciated to send us a ticket with all information and problematic pdf document, so we can investigate the case. 

Best regards, 
WinForms team
ADMIN
Stefan
Posted on: 15 Jun 2017 10:13 
Thanks for your input Nelson.
Nelson
Posted on: 09 Jun 2017 18:45 
Hi all,
Please put this feature on your timeline.

Best regards,
Nelson
ADMIN
Deyan
Posted on: 06 Feb 2017 10:01 
Hello Darryl,

As you may see on page 117 at the PDF format specification link below, the encryption algorithm values vary from zero to four. Value of 5 does not seem to be valid PDF file according to this specification. Could you open a support ticket and send us the sample file so that we may further investigate the concrete case?

Here is the mentioned link to the specification:
http://www.adobe.com/content/dam/Adobe/en/devnet/acrobat/pdfs/pdf_reference_1-7.pdf

Regards,
Deyan
Darryl
Posted on: 26 Jan 2017 16:57 
And support for Encryption Algorithm 5 (exception "The encryption method with code 5 is not supported.")
Michael
Posted on: 12 Jul 2016 09:08 
Please implement this feature.
Create an account Log In
View
Type
Status
Category