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PDF Signature check - Invalid

New Here ,
Sep 29, 2020 Sep 29, 2020

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Hello,

one of our remote workers has signed a document with public authority signature.

If I view the PDF on my computer is shows signature as valid.

If he does that on his computer, singature shows as invalid with error with building the path from signer's certicate to an issuer - does this mean that he needs to have a CA as trusted in his computer?

Screenshots included for better understanding.

ss1.pngss2.pngThank You!

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Security digital signatures and esignatures

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correct answers 1 Correct answer

Community Expert , Sep 29, 2020 Sep 29, 2020

Yes, you need to setup and "trust" the CA on the computer that is used to verify the signature. Otherwise, Acrobat cannot verify that the signature is indeed valid.  

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Community Expert ,
Sep 29, 2020 Sep 29, 2020

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Yes, you need to setup and "trust" the CA on the computer that is used to verify the signature. Otherwise, Acrobat cannot verify that the signature is indeed valid.  

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New Here ,
Sep 18, 2023 Sep 18, 2023

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how to  ca setup 

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New Here ,
Apr 30, 2024 Apr 30, 2024

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