Hello,
i'm trying to place multiple signatures on a PDF file (i need 4 signatures).
I tried modifying OpenSignPDF but when i add more than two signatures i
always get that only the first and the last one are valid while all the
signatures among the two show a red X on them.
For instance... lets
Ok, everything works now.
It looks like a problem of OpenSignPDF... this is what they do:
[CUT]
PdfDictionary signDict = new PdfDictionary();
signDict.put(PdfName.FT, PdfName.SIG);
signDict.put(PdfName.FILTER, new PdfName(Adobe.PPKLite));