Yes, I do it that way, but it does not work. Your you could send an 
example to me, please.

PdfStamper stp = PdfStamper.createSignature(reader,fout,'\0',null,true);
...
...

Thanks

El día lun, 14 abr 2008, Paulo Soares <[EMAIL PROTECTED]> escribió:

> Remember that the new signature must be made in append mode.
>
> Paulo
>
>> -----Original Message-----
>> From: [EMAIL PROTECTED]
>> [mailto:[EMAIL PROTECTED] On
>> Behalf Of Leonard Rosenthol
>> Sent: Monday, April 14, 2008 4:59 PM
>> To: Post all your questions about iText here
>> Subject: Re: [iText-questions] pdf blank signature field
>>
>> Yes, if the field already exists - you can fill it/sign it.
>>
>> Leonard
>>
>> On Apr 14, 2008, at 6:36 PM, [EMAIL PROTECTED] wrote:
>>
>> > Leonard:  Thanks for your answer.
>> > I create the field of blank signature before cetifying the document.
>> > Now, only want, is to fill up the field in target with the
>> > signature. I
>> > can do this?
>> >
>> > Thanks again.
>> >
>> > El día lun, 14 abr 2008, Leonard Rosenthol <[EMAIL PROTECTED]>
>> > escribió:
>> >
>> >> You can't.
>> >>
>> >> The whole point of that certification setting is that ONLY form
>> >> FILLING can be done to the file.  Any other operations (such as
>> >> adding NEW fields) is considered a violation of the certificate.
>> >>
>> >> Leonard
>> >>
>> >>
>> >> On Apr 14, 2008, at 3:43 PM, [EMAIL PROTECTED] wrote:
>> >>
>> >>> Hi:
>> >>>     Please somebody can help to discover me how to add a digital
>> >>> signature to a document previously certified with option
>> >>> CERTIFIED_FORM_FILLING?
>> >>>
>> >>>     Until I could add the blank signature field in target and now
>> >>> certify the document. But when I add the signature to the field in
>> >>> target, the certification is broken.
>> >>>
>> >>>     I will thank for some example of code to do this. Thanks.
>
>
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