How to set up one-time password (TOTP)（Microsoft Authenticator）

TUT Information media centerAt our university, we have introduced two-factor authentication (hereinafter referred to as TOTPauthentication) using a one-time password based on the time of day in order to ensure identity
verification and prevent unauthorized use when using important systems. In this authentication, inaddition to the user name and password that the user remembers, a one-time password that can begenerated only on the smartphone owned by the user is used to achieve strong authentication.
Therefore, it is necessary to install an application for using TOTP authentication on yoursmartphone in advance and register it with the University's user authentication system. This section
describes the procedure for registering the one-time password application Microsoft Authenticatorin the authentication infrastructure system.
In some systems, the authentication method is switched depending on the type of access source
network (on-campus or off-campus). For example, on-campus networks can be authenticated onlywith a user name and password, but off-campus networks require TOTP authentication in additionto that. In this judgment, the following networks are classified as "off-campus".
Connection from off-campus by VPNWired guest network (Village Tenpaku etc.)

Wieless network SSID: eduroamWireless network SSID: tutguest

One-time password application installation and registration procedure1.

Connect the PC and smartphone used for setting work to the campus network

2.

Make sure the date and time on your PC and smartphone are correct.

3.

Install Microsoft Authenticator on your smartphone.
 Microsoft Authenticator
1iOS: https://apps.apple.com/jp/app/microsoft-authenticator/id983156458
Android: https://play.google.com/store/apps/details?id=com.azure.authenticator

4.

Display the "User Profile Maintenance" page in the browser of the PC.
To display the "User Profile Maintenance" page, click "Change password" in the quick menu
on the homepage of the Information Media Center (https://imc.tut.ac.jp/).

5.

Click Register One-Time Password App on the User Profile Maintenance page.

※ The "Register One Time Password App" page cannot be accessed from outside theuniversity.
6.

The QR code will be displayed on the browser. Start the one-time password application
installed on the smartphone and scan the displayed QR code.

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※Even if you have not registered the one-time password application, "Registered" may bedisplayed. In that case, click the "Reissue" button.
Follow the steps below on the Microsoft Authenticator app side.
① Tap 「アカウントを追加」(Add your account)② "Do you have a backup?" Is displayed, so tap "Continue".

③ When asked "What kind of account do you want to add?", Select "Other (Google,Facebook, etc.)".
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④ The “Scan QR code” screen will appear. Scan the QR code displayed on thebrowser.
When the QR code is displayed intheblueframe,

itwillbeautomatically scanned and a 6-7.

If the scan is successful, a 6-digit number will be displayed. Enter the number in the input
field of the browser and click the "Register" button.

6-digit number displayed by the one-time password app

8.

Registration is completed when the message "Processing completed successfully" isdisplayed on the browser. Click the "OK" button.

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