Satti,

Satti wrote
> I am trying to encrypt a pdf file using PdfStamper class. The pdf contains
> filled signature fields. After encrypting the pdf, the signature fields
> get corrupted. Can anyone propose a solution for this.

Do not expect encrypting an already signed file to keep signatures valid.
How could it? After all, integrated PDF signing is about guaranteeing that
some byte ranges in the file are left unchanged, and by encrypting them you
will definitively change them.

Regards,   Michael

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