Last modified by wikibot on 2023/02/13 19:40
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1 = Setting automatic validation of digital signatures in Adobe Acrobat Reader DC =
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3 == Download LRZ Root Certificate ==
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5 Download the following file from the LRZ : https://www.pki.dfn.de/fileadmin/PKI/zertifikate/T-TeleSec//GlobalRoot_Class//2.crt
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8 == Import and validate LRZ root certificate ==
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10 Click in Acrobat Reader under **Signatures** on the right side under Identities and trusted certificates by clicking on **More**.
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12 [[image:1.png||width="800"]]
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17 Select **Trusted certificates** on the left side and click on **Import** in the tab above.
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19 [[image:2.png||width="800"]]
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24 Select the certificate **T-TeleSec GlobalRoot Class 2** from the LRZ under **Browse**.
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26 [[image:3.png||width="800"]]
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31 Select the location of the download certificate from the LRZ and click **Open**.
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33 [[image:4.png||width="800"]]
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38 Under Contacts, select the certificate by clicking on it.
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40 [[image:5.png||width="800"]]
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45 In the same window under Certificates, select the **T-TeleSec GlobalRoot Class 2** certificate.
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47 [[image:6.png||width="800"]]
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52 Then click on **Trust**
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54 [[image:7.png||width="800"]]
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59 Check the box **Use this certificate as trusted root** in the window that appears.
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61 [[image:8.png||width="800"]]
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66 Import the **T-TeleSec GlobalRoot Class 2** certificate from the LRZ
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68 [[image:9.png||width="800"]]
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73 Confirm the import with **OK**.
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75 [[image:10.png||width="800"]]
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80 Then you can close all windows.
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82 [[image:11.png||width="800"]]