I'm trying to timestamp (RFC 3161) a pdf file using my own timestamp server equipment but still get an error: 'invalid certificate for use.

I'm trying to timestamp (RFC 3161) a pdf file using my own timestamp server equipment but still get an error: 'Invalid certificate for use' (text Original - certificado valido para uso e nao pt_BR:O). How can I get more information on what I'm missing or whats wrong with the certificate?

I found the answer to my problem: it was linked to the plug of the TSA and its attribute 'Extended Key use '.

In any case, thanks for your help. Just to answer the questions:

Version: Adobe Reader XI

Tried both:

(A) the time stamp for the signature: signature put under without timestamp and an alert

(B) the document timestamp: no changes and an alert

Tags: Acrobat

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