Tutorial :How to generate a signed PDF w/o green checkmark



Question:

I'm signing PDF's using iText. I'm including a graphic in the signature. This works, but the green checkmark (or yellow question mark) that shows when the document is verified interferes with the graphic I inserted, making the end result look ugly.

It either shows up above or below the signature graphic, but I can't get it to disappear.

Does anyone know how to fix this?


Solution:1

sorry but I don't understand this. You want a valid signature but no possibility to see that the signature is valid? Doesn't make sense to me.

Anyway, I think the green checkmark is rendered by Adobe Reader so you will have no chance to remove it.


Solution:2

The trick to get around this is to remove the existing signature block and apply your image in its place. Then, sign the PDF with an invisible signature. This will still allow the user to open the signature sidebar to verify that the signature is valid.


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