The acknowledgement of receipt is signed with an electronic certificate guaranteeing the date and time of the signature as well as the integrity of the document. The certificate used to sign this document is held by the European Commission and can be verified by the corresponding public key.
The first step to validate the signature is to install the certificate in the application Adobe Reader. This step is only necessary once on each computer.
- First download the SFC certificate file signer2007.zip.
- Decompress the zip file and store the certificate on your local disk.
- Open Adobe Reader.
- Open the menu Edit > Preferences.
- In the left panel select Signatures.
- In section Verification, Control how and when signatures are verified click More…:
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- Check the option Time at which the signature was created and click OK:
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- In section Identities & Trusted Certificates click More…:
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- In the popup window select Trusted Certificates on the left side and click Import:
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- Click Browse:
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- Select the certificate (signer2007.cer) on your computer and click on the Import button:
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- A popup message '1 issuer certificate(s) imported' will be displayed, click OK. The certificate should appear now as imported:
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- Select the certificate and click Edit Trust:
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- On the Trust tab check the options:
* Use this certificate as a trusted root
* Certified documents
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- Click OK to confirm.
- Close the dialog box and close Acrobat.
The SFC2007 certificate has now been installed. On the cover page of documents sent by the European Commission, this will be reflected as follows:
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More information on how to use the public key with acrobat: http://help.adobe.com/en_US/acrobat/X/standard/using/WS58a04a822e3e50102bd615109794195ff-7d4c.w.html