Technische Universität München
You are here: Foswiki>Informatik/Helpdesk Web>BenutzerZertifikate (17 Oct 2019, AyseguelOmusNe63guq)Edit Attach

Wichtige KB-Einträge:

1- [[[Welchen Ausweis brauche ich für die Ausstellung der Passphrase]]


In this article we will show you how and where to request user certificates. Also we will provide information on how to use and install them.

Here you can find more information on certificates.

0. General Information on TUM Informatics and Mathematics Certificates

After requesting a certificate you can find it under:

or on or Informatics Employees), (Mathematics Employees) Your certificate has the suffix .p12 respectively

With a certificate you can visit certain websites or even send encrypted E-Mails. For the installation the passphrase is needed, since the certificate is encrypted. After getting your passphrase your certificate can be found under the mentioned directory on or

1. Where and how do I request a certificate?

1.1. Students

1.1.1. Freshmen

Usually you will receive your passphrase, the and so on during the preliminary courses in the Infopoint Informatik. If you did not participate at the preliminary courses you can receive your passphrase from the Infopoint Informatik.

1.1.2. If your certificate expired

In this case you have to request a new certificate via and you can collect the passphrase at the Infopoint Informatik..

1.2. Non-Students

A certificate can be requested either with your User Request (Benutzerantrag) or at the service office of the RBG.

You can apply for your certificate via or and you can collect your passphrase at our service office (00.05.041) on Mondays or Thursdays from 10:00 to 17:00 with your ID card.

On this page you can retrieve current information regarding working hours.

Remark: For each of the described cases holds that a valid photo ID (personal ID or passport) is to be presented during passphrase collection!

2. How long is the certificate valid and how do I renew it?

Beginning from the issue date your certificate is valid for one year. Before the expiry date you will receive an E-Mail at your

The validity of your certificate can be renewed at this Website.

If you miss to renew your certificate a new request must be made via or You can receive the passphrase at the service office of the rbg, which means that you have to personally pick the passphrase with your photo identification again. That's why we recommend the Self-Service renewal of the certificate.

On this page you can retrieve current information regarding working hours.

3. How do I copy the certificate on my computer?

For the data transfer between the computer hall and your personal computer you can use this instruction.

For Windows Users there is an additional instruction for copying the certificate to one's computer and also a how-to for importing the certificate in the Internet Explorer and Firefox.

4. How do I install a certificate?

The following instructions were made for certain configurations (OS + Software). If you use a different configuration or have problems with the installation please feel free to visit the Helpdesk.

4.1. Browser

4.1.1. Google Chrome

Google Chrome was tested in the Version 65.0.3325.181 under Windows 10 & Mac OS High Sierra. Chrome uses the certificate via the intergration in the OS (look below). Despite the successful installation of the certificate it did not work under Mac OS High Sierra with the Chrome Browser.

4.1.2. Firefox

  • For the Installation of the certificate you have to open the Preferences:
  • Under the Menu go to → Privacy & Security View Certificates:
  • There go to "Your Certificates" and then on "Import" . Afterwards choose your certificate with the suffix ".p12" and click "open".
  • In the next window you have to fill in your passphrase:
  • Your certificate was imported successfully.

4.1.3. Safari

Although the certificate was installed successfully the certificate could not be used with the Safari Brwoser under Mac OS High Sierra.

4.2. Email-Client

4.2.1. Thunderbird

The installation of the certificate in Firefox and Thunderbird is identical.
  • In the Menu choose EditPreferences

  • Then AdvancedCertificates and afterwards click on Manage Certificates
  • Choose Your Certificates and then click on Import...

  • Go to your certificate location and choose the certificate (LOGIN.p12) and click on Open

  • Now you have to enter the passphrase (received from the Infopoint or the System Group) and confirm the successful installation of the certificate. Blank spaces and capitalization rules should be considered.

  • Now under Your Certificates your certificate should be visible.

4.2.2. Outlook 2016

  • In the Menu go to FileOptions:
  • Now go to Trust CenterPreferences for the Trust Center...
  • Then go to E-Mail-SecurityImport/Export:
  • In the next window click on "Open..." and choose your certificate with the suffix ".p12".
  • The passphrase can be entered in the field "Password". Verify your password with "OK":
  • The following message can be accepted with "OK":
  • Your certificated was imported successfully into Outlook.
  • Using the folllowing settings you can set the encryption/signature as default:
  • You can go to "Options" and use the following options to enable or disable the encryption/signature:

4.3. Operating Systems

4.3.1. Windows

The certificate is installed on the whole OS, which means that it can be used by Internet Explorer and Windows Mail (but not for Firefox - look here). Windows 7 x64 was used for this guide.
  • usually you can double click on the certificate and the certificate-import-assistance will start, then you can click here to continue - if the certificate-import-assistance wont start, follow the guide that follows:
  • In the startmenu click on Control Panel and afterwards choose Internet options

  • Then choose Contents and then choose Certificates:

  • Go to Your Certificates and then choose Import…:

  • Now the certificate-import-assistance will start, click on continue
  • Click open and choose the certificate - choose the suffix .pfx;.p12 , or else you wont be able to see the files

  • Click on continue
  • Enter the passphrase
  • Also choose to make your key exportable and then click on continue

  • In this windows just click on continue

  • In the end click on Finish verify the last window with OK

  • Your certificate should be visible under Your Certificates

4.3.2. Mac OS X

  • Double click on your certificate
  • Now in the Add Certificates - Window click on Add

  • Enter your certificate-passphrase

  • The certificate is now ready to use and can for example be used in Apple Mail to sign and encrypt your messages.

Topic attachments
I Attachment Action Size Date Who Comment
appleCertificate.pngpng appleCertificate.png manage 166 K 31 Mar 2011 - 11:13 MarekOrschewskiNe26gik  
applemail_1.pngpng applemail_1.png manage 20 K 21 Mar 2018 - 10:22 TobiasZappeGa34gey  
applemail_2.pngpng applemail_2.png manage 83 K 21 Mar 2018 - 10:12 TobiasZappeGa34gey  
applemail_3.pngpng applemail_3.png manage 82 K 21 Mar 2018 - 10:16 TobiasZappeGa34gey  
applePasswd.pngpng applePasswd.png manage 19 K 31 Mar 2011 - 11:14 MarekOrschewskiNe26gik  
certificateImport.pngpng certificateImport.png manage 61 K 17 Mar 2011 - 09:42 MarekOrschewskiNe26gik  
certificatePassphrase.pngpng certificatePassphrase.png manage 16 K 17 Mar 2011 - 09:43 MarekOrschewskiNe26gik  
cert_preferences.pngpng cert_preferences.png manage 46 K 21 Mar 2018 - 09:54 StefanZiarasGa49taq  
firefox_0.pngpng firefox_0.png manage 22 K 21 Mar 2018 - 11:02 TobiasZappeGa34gey  
firefox_1.PNGPNG firefox_1.PNG manage 68 K 21 Mar 2018 - 10:56 TobiasZappeGa34gey  
firefox_2.PNGPNG firefox_2.PNG manage 47 K 21 Mar 2018 - 11:13 TobiasZappeGa34gey  
firefox_3.PNGPNG firefox_3.PNG manage 6 K 21 Mar 2018 - 11:17 TobiasZappeGa34gey  
importvorgangErfolgreich.pngpng importvorgangErfolgreich.png manage 20 K 21 Mar 2011 - 09:38 MarekOrschewskiNe26gik  
inhalteZertifikate.pngpng inhalteZertifikate.png manage 75 K 17 Mar 2011 - 11:33 MarekOrschewskiNe26gik  
internetOptionen.pngpng internetOptionen.png manage 182 K 17 Mar 2011 - 11:32 MarekOrschewskiNe26gik  
menuPreferences.pngpng menuPreferences.png manage 22 K 17 Mar 2011 - 09:43 MarekOrschewskiNe26gik  
outlook_0.PNGPNG outlook_0.PNG manage 34 K 21 Mar 2018 - 11:40 TobiasZappeGa34gey  
outlook_1.PNGPNG outlook_1.PNG manage 26 K 21 Mar 2018 - 11:44 TobiasZappeGa34gey  
outlook_2.PNGPNG outlook_2.PNG manage 41 K 21 Mar 2018 - 11:56 TobiasZappeGa34gey  
outlook_3.PNGPNG outlook_3.PNG manage 75 K 21 Mar 2018 - 12:00 TobiasZappeGa34gey  
outlook_4.PNGPNG outlook_4.PNG manage 30 K 21 Mar 2018 - 12:06 TobiasZappeGa34gey  
outlook_5.PNGPNG outlook_5.PNG manage 40 K 21 Mar 2018 - 12:11 TobiasZappeGa34gey  
outlook_6.PNGPNG outlook_6.PNG manage 11 K 21 Mar 2018 - 12:14 TobiasZappeGa34gey  
successAlert.pngpng successAlert.png manage 11 K 17 Mar 2011 - 09:43 MarekOrschewskiNe26gik  
viewCertificates.pngpng viewCertificates.png manage 58 K 17 Mar 2011 - 09:44 MarekOrschewskiNe26gik  
yourCertificates.pngpng yourCertificates.png manage 36 K 17 Mar 2011 - 09:44 MarekOrschewskiNe26gik  
zertifikatFormat.pngpng zertifikatFormat.png manage 10 K 21 Mar 2011 - 09:20 MarekOrschewskiNe26gik  
zertifikatImportieren.pngpng zertifikatImportieren.png manage 42 K 21 Mar 2011 - 08:59 MarekOrschewskiNe26gik  
zertifikatPassphrase.pngpng zertifikatPassphrase.png manage 62 K 21 Apr 2011 - 08:52 MarekOrschewskiNe26gik  
zertifikatSpeicher.pngpng zertifikatSpeicher.png manage 47 K 21 Mar 2011 - 09:33 MarekOrschewskiNe26gik  
Topic revision: r32 - 17 Oct 2019, AyseguelOmusNe63guq
This site is powered by FoswikiCopyright © by the contributing authors. All material on this collaboration platform is the property of the contributing authors.
Ideas, requests, problems regarding Foswiki? Send feedback