On Wed, Jul 17, 2002 at 02:58:13PM +0200, Keiron Liddle wrote:
> If I understand it properly you would need to add an Encrypt pdf object
> that is referenced in the documents trailer dictionary.
> The you would need to encrypt all pdf streams using the appropriate
> algorithm.
> If JCE can handle this then it would be used to encrypt the stream.

Thanks for the reply!  

My project is simpler - I only have to generate a signature for the stream,
not encrypt it.

I haven't started coding, but there is java.security.Signature.update(byte[])
which is used to build up the signature.  


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