I don't think it will break anything. 

> -----Original Message-----
> From: [EMAIL PROTECTED] 
> [mailto:[EMAIL PROTECTED] On 
> Behalf Of [EMAIL PROTECTED]
> Sent: Friday, November 18, 2005 9:20 AM
> To: [email protected]
> Subject: [iText-questions] Problem with computing an 'Object Digest'
> 
> Hi,
> 
> I'm thinking on extending the signature support by adding the 
> ability to 
> 'certify' a PDF. To do this I need to implement the 'Object Digest' 
> algorithm (you can find more information in  Appendix I of the PDF 
> Reference for version 1.6, pages 1037 to 1044), if I want the 
> certifying 
> also to work with Acrobat 6.0. Because Acrobat 6.0 requires the 
> DigestValue in the DocMDPTransform dictionary. To create the 'Object 
> Digest' you need to know the basic types of all the 'Objects' 
> (see section 
> I.1 for moor information if wanted).
> 
> When I was looking to the PdfReader and PRTokeniser I found 
> out that the 
> tokenizer never returns PdfBoolean objects for a boolean value, but 
> PdfLiterals. Can I just change the tokenizer and the reader 
> so it creates 
> PdfBoolean objects if a boolean is parsed? Or does this break 
> other stuff?
> 
> 
> Thank you,
> 
> Nick Van den Bleeken 
> 
> 
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