maybe this can help you out (it also integrates with openoffice): http://jsignpdf.sourceforge.net/en_US/pdf_signatures.html http://jsignpdf.sourceforge.net/en_U

maybe this can help you out (it also integrates with openoffice): http://jsignpdf.sourceforge.net/en_US/pdf_signatures.html http://jsignpdf.sourceforge.net/en_US/pdf_signatures.html