Hi,

can you help me with two questions regarding signatures?

1) Is there a way to set the field name when applying an invisible
signature? For visible signatures, PDFSignatureAppearance offers two
setVisibleSignature methods to accomplish this, but for invisible
signatures, a default name seems to be used (like "Signature1").

2) Is it possible to use a hash function other than SHA-1 when using the
"self signed" filter (PPKLITE)? Or is PPKLITE  technically limited to
SHA-1?

Thanks in advance,

  Rico Starke



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