iTextSharp 4.0.4 and newer enforce the password restrictions just like
Acrobat.
Paulo
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On
> Behalf Of sureshhalade
> Sent: Wednesday, October 03, 2007 6:02 AM
> To: [email protected]
> Subject: Re: [iText-questions] Query related to iTextSharp 4.0.4
>
>
> Hi...
>
> Adding to the last thread, when I saw your reply to the
> thread "PdfReader
> not opened with owner password ", I have tried decrypting a
> pdf file by user
> password using iTextSharp 4.0.3 and its working fine.
>
> But is it safe to use iTextSharp version 4.0.3 instead of
> iTextSharp 4.0.4
> for decryption of pdf files in our application? Or does it have any
> limitations on it?
>
> Thanks,
> Suresh
>
>
>
> sureshhalade wrote:
> >
> > Hi...
> >
> > Thx for your prompt reply.
> >
> > But can I decrypt a pdf file which is encrypted by user
> password only (no
> > owner password set) using PdfStamper or any other class of
> iTextSharp?
> > Or is there any workaround for the same using iTextSharp classes?
> >
> > -Suresh
> >
> >
> > Paulo Soares wrote:
> >>
> >>
> >>
> >>> -----Original Message-----
> >>> From: [EMAIL PROTECTED]
> >>> [mailto:[EMAIL PROTECTED] On
> >>> Behalf Of [EMAIL PROTECTED]
> >>> Sent: Friday, September 28, 2007 2:10 PM
> >>> To: [email protected]
> >>> Subject: [iText-questions] Query related to iTextSharp 4.0.4
> >>>
> >>> Hello...
> >>>
> >>> I am using iTextSharp 4.0.4 class library and its PdfReader
> >>> and PdfStamper classes for decryption of pdf files.
> >>>
> >>> I could succeed with decrypting pdf files with following cases -->
> >>> 1. Pdf file encrypted with both user and owner password.
> >>> 2. Pdf file encrypted with only the owner password.
> >>>
> >>> But I am not able to decrypt it in the case where Pdf file is
> >>> encrypted with both only user password.
> >>>
> >>
> >> That won't even work in Acrobat. The user and owner
> passwords must be
> >> different.
> >>
> >> Paulo
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