[
https://issues.apache.org/jira/browse/PDFBOX-5866?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17872177#comment-17872177
]
Tilman Hausherr commented on PDFBOX-5866:
-----------------------------------------
Comparison between this file and an AES256 file that works. This file:
{noformat}
2 0 obj
<<
/CF
<<
/StdCF
<<
/AuthEvent /DocOpen
/CFM /AESV3
/Length 32
>>
>>
/Filter /Standard
/V 5
/R 5
/Length 256
/P -1028
/O
<4488A2922FDC84B1BE9BAB3BC900CCE1F6EF3C302EC20727DC5F65CD349CE8EF34134AD0247ED26AD49B0FC1F92419DA>
/OE
<297D089D0887DEE6603C1CD9C45B52C4DE7639CD80470EB549C0482D8835558D4B3305932DACC046D616A984EA3075D7>
/U
<267627EA5F73FAE7C08D86D43A1A5D29091CB448B235BA4294754422BB70EF9F6CEA3117D2189B2EAD3E9E41E3C79093>
/UE
<2DD20030A67CE482F819E4214352D31EA69107102ACAE08734035A35950BE6118062F90C5FA3CDE84165242873F6A35B>
/Perms <9D7AAB8A1B52D3C63AC815ED000E2885C74740CB6EB3EC6BA59CD17E54BDE7EC>
/StmF /StdCF
/StrF /StdCF
>>
endobj
{noformat}
file that works:
{noformat}
5 0 obj
<<
/Filter /Standard
/V 5
/R 5
/Length 256
/P -64
/O
<B91ECC1D3889CBEC29C14220BDE4D678B227CE29757BCC787161B939743867716BEC51313B63D8D82BDC4D91F3D8FDC2>
/U
<0D48CD96A1A3859C5F361908A235ABC9B2D773C72C9360667152CAD0D9B2A9133BF852013252C5DDA0848D8163C20C9D>
/OE <CD7C32133371CAD11BB4F8B53934F229D8483064276B8872DD39230605DDDDBA>
/UE <D91E0E55F6A11E21340E1AEC716232CECE8615170B811F4DF6D20ED6D12C0B36>
/Perms <644CB0197232270E265A984BB5D70886>
/EncryptMetadata true
/CF <</StdCF <</AuthEvent /DocOpen /CFM /AESV3 /Length 32>>>>
/StmF /StdCF /StrF /StdCF
>>
endobj
13 0 obj
<< /Nums [0 << /S /D >>
] >>
endobj
{noformat}
> Unable to load password protected pdf
> --------------------------------------
>
> Key: PDFBOX-5866
> URL: https://issues.apache.org/jira/browse/PDFBOX-5866
> Project: PDFBox
> Issue Type: Bug
> Reporter: Charles D
> Priority: Major
> Attachments: pdfbox_invalid_pwd.pdf
>
>
> PDFBox is unable to load password protected pdf. Error is "Invalid AES key
> length: 48 bytes."
> Adobe and qpdf are able to successfully open it , but many other applications
> I've tried are unable to do so.
> The pdf is created by a third party scanner so unfortunately we have no
> insight/control over its creation.
> [^pdfbox_invalid_pwd.pdf] . Please let me know the best way to provide the
> password.
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