jvr968 wrote
> 
> With a client-server application I have signed a pdf document 2 times.
> 
> [...]
> 
> But, when I have opened, the double signed document, at the server side
> the
> first signature of the first  revision is invalid. I can see the red
> cross.
> the second signature of the second revision is validated correctly.
> 
> [...]
> 
> Any suggestion?

Please supply a sample pdf file, otherwise we can only guess; it would be
best to supply it in all three states, I.e. unsigned, signed once, and
signed twice.

one piece of guesswork, though: are you creating your second signature in
append mode? Otherwise that second signing operation obviously invalidates
the first signature.

Regards, Michael


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