I believe you are mistaken. PDF files produced with Acrobat 5 and secured against being opened without a password can not be opened in this fashion. I would be willing to supply such a file for testing. ---Matthew *********** REPLY SEPARATOR *********** On 5/17/2002 at 5:29 PM Joćo Sobral wrote: >If you want to open a "protected" pdf, the best way is to use the >Ghostscript, it simple removes any protection of the pdf file. > >http://www.ghostscript.com/ > > >-----Original Message----- >From: Valdis.Kletnieksat_private [mailto:Valdis.Kletnieksat_private] >Sent: sexta-feira, 17 de Maio de 2002 13:51 >To: Dawes, Rogan (ZA - Johannesburg) >Cc: 'Sumit Dhar'; Kurt Seifried; bad bob; vuln-dev >Subject: Re: PDF modifications? > > >On Fri, 17 May 2002 08:14:18 +0200, "Dawes, Rogan (ZA - Johannesburg)" >said: > >> If the PDF is openable and viewable, but is "protected", so that you >> can't select or print or annotate, that is easily bypassed with almost > >> any non-Adobe PDF viewer, such as xpdf, which simply elects not to >> honour that setting in the PDF. The data is all there, because you can > >> view it, it is simply a case of the software choosing to not let you >> select it. Find some software that doesn't honour those document >> settings, and you are on your way. >> >> As I recall, there was some discussion about this issue on the xpdf >> lists, or somewhere, about whether xpdf should honour the document >> requests or not, but it is really moot, since the source is there, >> just modify it to suit. I think that was the conclusion by the xpdf >> developers, so they simply didn't bother honouring the setting. > >This must have been pre-DMCA. I would recommend that the xpdf developers >not visit the US, lest they be Skylarov'ed. > >(The vuln-dev connection? Consider why Alan Cox censored a Linux kernel >changelog - but further discussion should probably be moved to a >political list. If you're in the US and of voting age, contact your >Congresscreature and tell them you want them to support Rep. Rick >Boucher (D-VA) in his attempts to fix the anti-circumvention clause of >the DMCA). > >We now return you to your regularly scheduled vuln-dev discussion, which >may be in violation of the anti-circumvention clause.... >-- > Valdis Kletnieks > Computer Systems Senior Engineer > Virginia Tech > > > >________________________________________________________________________ >____ >For your protection, this e-mail message has been scanned for viruses. >Visit us at http://www.neoris.com/
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