Re: kpdf requesting pasword for passwordfree pdf

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On Wed, 04 Aug 2021 12:04:16 +0200
deloptes <emanoil.kotsev@xxxxxxxxxxxx> wrote:

> Dr. Nikolaus Klepp wrote:
> 
> > Hi all!
> > 
> > Giving this PDF https://www.farnell.com/datasheets/2304760.pdf kpdf
> > requires a password to open it while firefox does not.
> > 
> > Anybody knows the reason for this?
> > 
> > Nik
> > 
> confirmed
> Here kpdf requested access to kwallet - I rejected and it asked for passwd.
> FF is not asking for passwd
> 
> perhaps strace to see what is happening?

For what it's worth, the file shows as encrypted (and slightly broken):

~ $ pdfinfo 2304760.pdf
Internal Error: xref num 27 not found but needed, try to reconstruct<0a>
Tagged:         no
UserProperties: no
Suspects:       no
Form:           none
JavaScript:     no
Pages:          8
Encrypted:      yes (print:yes copy:no change:no addNotes:yes algorithm:AES-256)
Page size:      612 x 792 pts (letter)
Page rot:       0
File size:      1626771 bytes
Optimized:      no
PDF version:    1.4

It might be that the original creators of kpdf didn't anticipate the possible
existence of encrypted files that weren't password-locked.  Or it could be that
the file breakage is causing other problems.

E. Liddell
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