A digital signature replaces your manual signature online. With the help of your valid certificate issued by the DFN and the following instructions, you can make your emails and PDFs private.

enlarge the image: Envelope with wax seal
Photo: Colourbox

First steps

The first step and prerequisite for setting up a digital signature is the user certificate.

See the Service “User certificate”

Step 1

Click on your ".p12" certificate. Start the process with "Next".

Step 2

Click on "Next".

Step 3

Enter the password of the certificate and tick the marked import options. Then click on "Next".

Step 4

Click on "Next".

Step 5

Continue with "Finish".

Step 6

Finish the process by clicking on "OK".

Step 1

Open the "Finder" and go via "Applications" to "Utilities" to "Keychain management".

Step 2

There, go to "My certificates" via "Login".

Step 3

Now click on "File" in the menu bar at the top of the screen and navigate to "Import object ...".

Step 4

Then navigate to the storage location of your certificate file (.p12) and select it by clicking "Open".

Step 5

You will now be asked to enter the password for the certificate, which is the private key (password) you specified when you requested the certificate.

Step 6

The certificate is now integrated into the system.

Instructions

Step 1

Open Outlook and go to "File".

Step 2

Click on "Options".

Step 3

Go to "Trust Center" and select "Settings for the Trust Center...".

Step 4

Navigate to "E-mail security". Check whether there are ticks in the marked fields. If the ticks were set or have been successfully set by you, then click on "Import/Export".

Step 5

Click on "Browse" and open your certificate file. Then enter the password for the file. Then click on "OK".

Step 6

Import the certificate by completing the process with "OK".

Step 7

Now click on "Settings" and then on "OK" under "Change security settings".

Step 8

End the process with "OK".

Step 1

Go to "Settings" → "Privacy & Security" and click on "Manage certificates".

Step 2

The "Certificate management" dialogue window opens. On the "Your certificates" tab, select the "Import" button.

Now select "Your certificate file" and confirm it with "Open".

When opening the personal certificate file, the password you entered when saving the certificate is requested.

Step 3

Then go to "Certification Authorities", find "DFN-Verein Certification Authorithy 2", click on it and select "Edit Trust".

Step 4

There, make sure that both ticks are set in the trust settings.

Confirm the process with "OK" and close the certificate administration.

Step 5

Switch to "Account settings" → "End-to-end encryption".

Now select your certificate in each case and make sure that the check mark is set for "Add your own digital signature by default".

Step 6

Now you can digitally sign your emails.

The basic configuration of Adobe Reader is pre-installed on all computers in the domain.

Step 1

Go to "Settings" under "Editing" and then to the left tab under "Signatures".

Step 2

Under "Signatures" → "Creation and Appearance" go to "More". Now a new window opens. Under these, select "Appearance" → "New".

Step 3

Now fill in your name, upload the logo, uncheck Logo and go to "Okay".

Logo Download
PDF 71 KB

Step 5

Now you can sign in a PDF under a signature field.

Step 1

Select the category "Tools" or as marked in red "More tools".

Step 2

Open the "Certificates" section.

Step 3

Select "Sign digitally", read(!) and confirm the message dialog with OK and follow the instructions accordingly:

This is how the document with correct signature should look like then (the design is customizable):

Step 1

When you have Word open, go to Insert and then to Signature Line.

Step 2

Under Signature Line, go to Microsoft Office Signature Line.

Step 3

Now a window opens where you enter your name, your position and your email address and then click on okay.

Step 4

Now a signature field has been created and make a double click on the window.

Step 5

Now you have to save the file.

Step 6

Enter your name here again and make sure that under Issued by: "DFN-Verein Global Issuing CA" if not, go to Change and select the correct certificate as in point 7.

Step 7

Now select the certificate where the issuer is the: "DFN-Verein Global Issuing CA" and click on "OK". Then click on Sign as described in point 6.

Step 8

Now you have to confirm the signature You can no longer edit the file, otherwise remove your signature.

Step 9

If everything worked correctly, your signature should then look something like this.