Tanvinder Posted July 17, 2018 Report Share Posted July 17, 2018 Hi, We have a application called as MSBdocs where we validate the documents using CA certificate. Currently, I am validating a document using Nitro PDF tool but while validating the document it is showing me an error : Signature is Invalid. However, while validating the same document in Adobe Acrobat it is validating the document in the correct manner. Please click on the link to see the screenshot for reference:https://cloud.gonitro.com/doc/1795016979/v/1795016980 Please advice me how to fix it. Link to comment Share on other sites More sharing options...
Tanvinder Posted July 20, 2018 Author Report Share Posted July 20, 2018 Could anyone please reply on the above topic. Link to comment Share on other sites More sharing options...
Power User Steven Zakulec Posted July 20, 2018 Power User Report Share Posted July 20, 2018 I'm not totally sure what's going on, but I have some guesses. Are these self-signed certificates, or ones issued by a 3rd party CA? If it's a self-signed one, have you trusted the cert on the machine(s) in question? Apologies if you've done this or it's not relevant here. Link to comment Share on other sites More sharing options...
Tanvinder Posted July 23, 2018 Author Report Share Posted July 23, 2018 Hi Steven, thanks for your valuable feedback. These certificates are issued by third-party CA. In our case, the certificate we use to validate is OCSP. As a matter of fact, I have also trusted the certificate on my machine. Every time I validate the signatures it throws the same error. Link to comment Share on other sites More sharing options...
Tanvinder Posted July 23, 2018 Author Report Share Posted July 23, 2018 However, on downloading the latest version Nitro_pro 12 the issue got resolved. Link to comment Share on other sites More sharing options...
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