Comments on: Removing encryption from (legitimate!) PDF files on Ubuntu http://blog.sandipb.net/2009/01/10/removing-encryption-from-legitimate-pdf-files-on-ubuntu/ > yours truly. Sun, 21 Mar 2010 06:10:25 +0000 http://wordpress.org/?v=2.9.2 hourly 1 By: ideas http://blog.sandipb.net/2009/01/10/removing-encryption-from-legitimate-pdf-files-on-ubuntu/comment-page-1/#comment-1544 ideas Wed, 30 Dec 2009 10:43:27 +0000 http://blog.sandipb.net/?p=308#comment-1544 much better and easy option in any os , which I do <br>open the encoded pdf in pdf reader ,<br>print the opened pdf with pdf printer ( I use pdf Creator )<br>the output file is without restriction !<br><br>note: adobe reader does not allow pdf to be reprinter with pdf printers ! much better and easy option in any os , which I do
open the encoded pdf in pdf reader ,
print the opened pdf with pdf printer ( I use pdf Creator )
the output file is without restriction !

note: adobe reader does not allow pdf to be reprinter with pdf printers !

]]> By: Kiran Jonnalagadda http://blog.sandipb.net/2009/01/10/removing-encryption-from-legitimate-pdf-files-on-ubuntu/comment-page-1/#comment-1538 Kiran Jonnalagadda Sun, 13 Dec 2009 19:40:28 +0000 http://blog.sandipb.net/?p=308#comment-1538 I tried this on my HDFC card statement and got this:<br><br>WARNING: hdfc.pdf: offset 0: file is damaged<br>WARNING: hdfc.pdf: offset 12694: xref syntax invalid<br>WARNING: Attempting to reconstruct cross-reference table<br>WARNING: hdfc.pdf: offset 10012: expected endobj<br>qpdf: operation succeeded with warnings; resulting file may have some problems<br><br>The resulting PDF file had no text. On a Citibank card:<br><br>WARNING: citibank.pdf: offset 0: file is damaged<br>WARNING: citibank.pdf: can't find startxref<br>WARNING: Attempting to reconstruct cross-reference table<br>qpdf: operation succeeded with warnings; resulting file may have some problems<br><br>This file opened fine. I tried this on my HDFC card statement and got this:

WARNING: hdfc.pdf: offset 0: file is damaged
WARNING: hdfc.pdf: offset 12694: xref syntax invalid
WARNING: Attempting to reconstruct cross-reference table
WARNING: hdfc.pdf: offset 10012: expected endobj
qpdf: operation succeeded with warnings; resulting file may have some problems

The resulting PDF file had no text. On a Citibank card:

WARNING: citibank.pdf: offset 0: file is damaged
WARNING: citibank.pdf: can't find startxref
WARNING: Attempting to reconstruct cross-reference table
qpdf: operation succeeded with warnings; resulting file may have some problems

This file opened fine.

]]> By: Kiran Jonnalagadda http://blog.sandipb.net/2009/01/10/removing-encryption-from-legitimate-pdf-files-on-ubuntu/comment-page-1/#comment-1523 Kiran Jonnalagadda Sun, 13 Dec 2009 11:40:28 +0000 http://blog.sandipb.net/?p=308#comment-1523 I tried this on my HDFC card statement and got this:<br><br>WARNING: hdfc.pdf: offset 0: file is damaged<br>WARNING: hdfc.pdf: offset 12694: xref syntax invalid<br>WARNING: Attempting to reconstruct cross-reference table<br>WARNING: hdfc.pdf: offset 10012: expected endobj<br>qpdf: operation succeeded with warnings; resulting file may have some problems<br><br>The resulting PDF file had no text. On a Citibank card:<br><br>WARNING: citibank.pdf: offset 0: file is damaged<br>WARNING: citibank.pdf: can't find startxref<br>WARNING: Attempting to reconstruct cross-reference table<br>qpdf: operation succeeded with warnings; resulting file may have some problems<br><br>This file opened fine. I tried this on my HDFC card statement and got this:

WARNING: hdfc.pdf: offset 0: file is damaged
WARNING: hdfc.pdf: offset 12694: xref syntax invalid
WARNING: Attempting to reconstruct cross-reference table
WARNING: hdfc.pdf: offset 10012: expected endobj
qpdf: operation succeeded with warnings; resulting file may have some problems

The resulting PDF file had no text. On a Citibank card:

WARNING: citibank.pdf: offset 0: file is damaged
WARNING: citibank.pdf: can't find startxref
WARNING: Attempting to reconstruct cross-reference table
qpdf: operation succeeded with warnings; resulting file may have some problems

This file opened fine.

]]> By: Jeremy http://blog.sandipb.net/2009/01/10/removing-encryption-from-legitimate-pdf-files-on-ubuntu/comment-page-1/#comment-1518 Jeremy Mon, 30 Nov 2009 12:55:10 +0000 http://blog.sandipb.net/?p=308#comment-1518 do you have a dollar sign in your password? I ran into this and discovered you need to escape the dollar sign with a backslash. do you have a dollar sign in your password? I ran into this and discovered you need to escape the dollar sign with a backslash.

]]> By: QPDF: Encriptar, desencriptar e inspeccionar pdf desde consola « Un Bioinformatiquillo http://blog.sandipb.net/2009/01/10/removing-encryption-from-legitimate-pdf-files-on-ubuntu/comment-page-1/#comment-1501 QPDF: Encriptar, desencriptar e inspeccionar pdf desde consola « Un Bioinformatiquillo Tue, 17 Nov 2009 08:39:54 +0000 http://blog.sandipb.net/?p=308#comment-1501 [...] Visto en | Sandipb.net [...] [...] Visto en | Sandipb.net [...]

]]> By: Valdinei dos Santos http://blog.sandipb.net/2009/01/10/removing-encryption-from-legitimate-pdf-files-on-ubuntu/comment-page-1/#comment-1354 Valdinei dos Santos Wed, 03 Jun 2009 18:35:30 +0000 http://blog.sandipb.net/?p=308#comment-1354 Very nice Article. It worked perfectly. Thank you very much Very nice Article.

It worked perfectly.

Thank you very much

]]> By: Yash http://blog.sandipb.net/2009/01/10/removing-encryption-from-legitimate-pdf-files-on-ubuntu/comment-page-1/#comment-1162 Yash Thu, 22 Jan 2009 18:55:18 +0000 http://blog.sandipb.net/?p=308#comment-1162 yash@yash-desktop:~/IN/2008$ qpdf --decrypt --password=xxxx 129686_December2008.pdf 129686_December_2008.pdf 129686_December2008.pdf: offset 131383: Unsupported /R or /V in encryption dictionary yash@yash-desktop:~/IN/2008$ qpdf --check 129686_December2008.pdf 129686_December2008.pdf: offset 131383: Unsupported /R or /V in encryption dictionary I am getting above error, sandip, compilation went OK( I needed to install libpcre++-dev, for pcre.h ), not sure what is wrong, any clue? yash@yash-desktop:~/IN/2008$ qpdf –decrypt –password=xxxx 129686_December2008.pdf 129686_December_2008.pdf
129686_December2008.pdf: offset 131383: Unsupported /R or /V in encryption dictionary

yash@yash-desktop:~/IN/2008$ qpdf –check 129686_December2008.pdf
129686_December2008.pdf: offset 131383: Unsupported /R or /V in encryption dictionary

I am getting above error, sandip, compilation went OK( I needed to install libpcre++-dev, for pcre.h ), not sure what is wrong, any clue?

]]> By: Yash http://blog.sandipb.net/2009/01/10/removing-encryption-from-legitimate-pdf-files-on-ubuntu/comment-page-1/#comment-1161 Yash Thu, 22 Jan 2009 18:02:19 +0000 http://blog.sandipb.net/?p=308#comment-1161 Nice article Sandip, Infact i setup a README.txt in every archive to remember password, which is no good if anyone got access to data. This sounds great to me, i will surely experiment & get rid of pdf passwords, pain so many.. around My company does in payslips encrypt with, employee no + date of birth, my bank statement does - my name + last 4 digits of card and sooon. All crap, Finally GNU/Linux rocks! Nice article Sandip,
Infact i setup a README.txt in every archive to remember password, which is no good if anyone got access to data.

This sounds great to me, i will surely experiment & get rid of pdf passwords, pain so many.. around

My company does in payslips encrypt with, employee no + date of birth, my bank statement does – my name + last 4 digits of card and sooon.

All crap,

Finally GNU/Linux rocks!

]]> By: guest http://blog.sandipb.net/2009/01/10/removing-encryption-from-legitimate-pdf-files-on-ubuntu/comment-page-1/#comment-1131 guest Mon, 19 Jan 2009 18:32:50 +0000 http://blog.sandipb.net/?p=308#comment-1131 very nice tool! thx very nice tool!

thx

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