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I'm assuming the following, which I haven't verified:
1. weaker encryption is quicker, less power intensive, and somewhat more compatible
2. cracking the encryption key wouldn't reveal the owner pas…
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### Description
PDFs have encryption support that allow you to password-protect aspects of the PDF to prevent e.g. reading, modification, printing etc. On some tex flavours this could be achieved wit…
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Steps to Duplicate:
1. Obtain a PDF with internal links (you click the link and it takes you to another page in the PDF)
2. Encrypt the PDF with the function below
3. Open the PDF and see that the lin…
iffy updated
11 years ago
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### What were you trying to do?
I am unable to load an encrypted document in PDF-lib.
We would ideally like to be able to list out the pages and or make changes to a PDF document even if a permiss…
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https://github.com/chunyenHuang/hummusRecipe/blob/54d334f00f8c0740952a8bb11034bde39d5cc42c/lib/encrypt.js#L91
I need to protect my PDF that has a watermark from being removed, while the PDF should …
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When we are trying to make password protection below error is occuring. Could you please provide the solution to encrypt and decrypt the pdf with password protection
Error :spawn qpdf ENOENT
Typ…
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set 64 character password with:
qpdf --allow-weak-crypto -- --encrypt $Passphrase $Passphrase 40 -- in.pdf out.pdf
out.pdf will open when provided with correct password.
out.pdf will also open wh…
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### What problem are you facing?
As of now, the backup works excellently with the encryption turned on. All my nnbackup files are encrypted as expected and I am unable to read the actual content. Goo…
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in some files I need to encrypt pdf file with 2 properties:
1. opening the pdf file does not require a password at all
2. making any changes (and if possible printing) would require the owner_pwd
…
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Hi,
When I use pdfcpu to decrypt specific pdf file it is throwing the following error. The same file I am able to load it with other pdf reader apps using the same password. Can you please help me wi…