Sonu kumar Ranjan

Sonu kumar Ranjan

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Signature Invalid after merging two digitally signed pdf

Aug 19 2021 12:59 AM
Signature Invalid after merging two digitally signed pdf. How we can verify both signatures when we merging a new page after Signature.?

 

PdfStamper stamper = PdfStamper.CreateSignature(reader, output, '\0', null,true);I had sign pdf passing parameters append mode true. After that Merge another PDF, and Sign. In this case.1st PDF Signature is not verified.

Answers (3)