JSignPdf is a Java application which adds digital signatures to PDF documents. It can be used as a standalone application or as an Add-On in OpenOffice.org.
Features :
- visible signatures - image and/or description located visualy in a PDF file (page and position can be specified)
- several different keystore types (as provided by Java)
- timestamps from authority in signature (TSA)
- certificate validation through CRL and/or OCSP
setting certification level
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