JSignPdf is an open source Java application which adds digital signatures to PDF documents. It also contains Add-On for OpenOffice.org.
- visible and hidden signatures
- certificate levels
- setting PDF rights
- command line support for batch processing
- certificate revocation checks (CRL, OCSP)
Jsignpdf works excellent.
very good project, thanks!
nice software for signaturing pdfs if you need sent em to the 3dpart companies