The problem here is more complex. The idea is to take a document and get
the hash. Later on the hash will be signed and the process will start
again with the same document where the signature will be added.
Currently this is not possible as the same doc won't produce the same
hash if signed twice.
Paulo
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On
> Behalf Of Bruno Lowagie (iText)
> Sent: Friday, February 09, 2007 1:54 PM
> To: Post all your questions about iText here
> Subject: Re: [iText-questions] Dividing Signature Process
>
> Maria Nadal Farre wrote:
> > I've another problem with the pdf signature. I want to prepare the
> > document,
>
> So either you have a document without a signature [A],
> or with an empty signature [B].
>
> > to sign it in another place,
>
> You mean you want to sign the hash externally.
>
> > and then finish the document adding the signature.
>
> You want to add a signature at an absolute position [A],
> or add the signature to the signature field [B].
>
> > I've no access to private key,
>
> For instance: you have a private key on a smart card,
> and you want a smart card reader to sign the hash.
>
> > and I need to cut the procedure in
> > several methods. Is it possible?
>
> Yes,
> It's explained in the book and in the online docs:
> http://itextpdf.sourceforge.net/howtosign.html
>
> br,
> Bruno
>
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