[jira] [Created] (PDFBOX-4517) Unable to decrypt PDF with String and Stream filter to identity

["Jérôme Joslet (JIRA)" <ji...@apache.org>]

Jérôme Joslet created PDFBOX-4517:
-------------------------------------

             Summary: Unable to decrypt PDF with String and Stream filter to identity
                 Key: PDFBOX-4517
                 URL: https://issues.apache.org/jira/browse/PDFBOX-4517
             Project: PDFBox
          Issue Type: Bug
            Reporter: Jérôme Joslet


I receive a PDF that contains the following Encryption Dictionnary:
{code:java}
32 0 obj
<</O (Ûýµ\fÁÒIÆ&Îé ^°Â>5N,\\qè¬#O‰2³Ã\b¼5¶ºj;šP)/EFF/StdCF/P -1852/R 5/OE (Q0Òzªè^À¸ÆÏÝéðnP}‚»Ÿ]ã.y„úŸcúÑ^)/U (ÐT7ŽHib³Ç\t|´_¶ºU¢ŸäNbíà>Ð@¼ ½ðï£Xš‘ú-Uz
¯L<0ã)/EncryptMetadata false/V 5/Length 256/CF<</StdCF<</AuthEvent/EFOpen/Length 32/CFM/AESV3>>>>/StmF/Identity/Filter/Standard/StrF/Identity/Perms (¶;´—‹€]m¶Ç„ø)/UE (ºî«Õâk$ô‹f‘Î0¥®e"ªÄ]¬9ÎNï‘1öÓ)>>
endobj{code}
and I was unable to open it with PDF Box.

Unfortunately, I can't share this PDF with you due to customer privacy and I was unable to find a tool that allow to create such a PDF.

This kind of encryption is useless I think, but it's probably intersting to support it anyway. Browsers and Adobe Reader have no problem to open it.



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