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Implement Encryption Version 4 #226

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speedplane opened this issue Sep 15, 2015 · 7 comments
Closed

Implement Encryption Version 4 #226

speedplane opened this issue Sep 15, 2015 · 7 comments
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is-feature A feature request

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@speedplane
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The PDF decryption is only partially implemented in PyPDF2. I recently found a PDF I have been processing which has been encrypted using algorithm 4.

There is a very clear line in pdf.py around line 1967 that states:

raise NotImplementedError("only algorithm code 1 and 2 are supported")

I'm opening up this issue to hopefully motivate some way of solving it.
@nitd24
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nitd24 commented Nov 4, 2016

+1 on this issue

@idogrosberg
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+1

@tataganesh
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+1 on this issue. Has anybody made any progress on this?

@tataganesh tataganesh mentioned this issue Oct 13, 2017
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@tataganesh tataganesh mentioned this issue Nov 21, 2017
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@unitedkartik
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  • 1 . Any solution yet?

@rbares rbares mentioned this issue Oct 21, 2018
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@inkhey inkhey mentioned this issue Nov 13, 2018
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@myleshk myleshk mentioned this issue Aug 15, 2019
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@demongolem-biz demongolem-biz mentioned this issue Jun 3, 2021
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@MartinThoma MartinThoma added the is-feature A feature request label Apr 6, 2022
@MartinThoma
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If anybody has a pr, I could merge it :-)

@py-pdf py-pdf deleted a comment from claird Apr 16, 2022
@MartinThoma
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Maybe #749 helps?

@MartinThoma
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This issue was solved 🎉

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6 participants
@speedplane @MartinThoma @idogrosberg @nitd24 @unitedkartik @tataganesh