Authentication Seed Registration to Google Authenticator(for smartphones) (2024)

Note: The multi-factor authentication settings you do here are required every time you log in with your Nagoya University ID. Do not delete the authentication app or the settings you have made.

The following is a video explaining how to set up on the authentication seed management page
【movie】Authentication Seed Registration to Google Authenticator(for smartphones)

Google Authenticator Setup

Install Google Authenticator onto your smartphone from Google Play (Android) or the App Store (Apple).

Authentication Seed Registration to Google Authenticator(for smartphones) (1)

Setting up for the first time

Access the Authentication seed display page at first login to display the authentication seed and QR code.In this case, proceed to Procedure to register an Authentication Seed to Google Authenticator)

Re-setting/Second time and later settings (on-campus network only)

When accessing from Authentication seed management page for resetting or setting multi-factor authentication for the second time or later

Get Authentication Seed

  • Log in to the Multi-Factor Authentication CAS Authentication Seed Management Page with your Meidai ID and password.
    • This page can only be accessed from the campus network for security reasons.(*On-campus network refers to computers connected to the on-campus wireless LAN NUWNET and wired LAN used on-campus.)
  • If you click the "Create a new" button, a new Authentication Seed will be generated.
    • You cannot display a previously used Authentication Seed.Similar to other password reset procedures, you can only generate and register a new Authentication Seed.

Authentication Seed Registration to Google Authenticator(for smartphones) (2)

  • The generated Authentication Seed will be displayed as both an "Authentication Seed" (consisting of alphanumeric characters) and a "QR code".
    (1) Register the seed value in the app according to the item of "Procedure to register an Authentication Seed to Google Authenticator" below.
    (2) Confirm that the 6-digit numbers are the same, and if they are the same, click Register

  • The Authentication Seed will not be registered to the CAS server until you click the "Register" button on the Authentication Seed Management webpage.After you register the Authentication Seed to the Authentication Application, please remember to click the "Register" button to register the Authentication Seed to the CAS server.

    • Even if you mistakenly generate a new Authentication Seed, the previous Authentication Seed will remain as long as you do not click the "Register" button. Be sure to close the Multi-Factor Authentication CAS Authentication Seed Management webpage without clicking the "Register" button

Authentication Seed Registration to Google Authenticator(for smartphones) (3)

Procedure to register an Authentication Seed to Google Authenticator

For first-time users of Google Authenticator

  • When you start Google Authenticator, you will see the following screen. Tap "Get started" to proceed.

Authentication Seed Registration to Google Authenticator(for smartphones) (4)

  • Next, a screen to select a method to register your Authentication Seed will appear. Select "Scan a QR code".
    • You will receive a notification on your smartphone, "Authenticator requires permission to use your camera". Allow it.

Authentication Seed Registration to Google Authenticator(for smartphones) (5)

For people already using Google Authenticator

  • After starting Google Authenticator, tap the "+" mark on the lower right-hand corner of the screen and start the registration of a new Authentication Seed.
    • Next, a screen to select a method to register your Authentication Seed will appear. Select "Scan a QR code".

Authentication Seed Registration to Google Authenticator(for smartphones) (6)

Authentication Seed registration with a QR code

  • If you choose "Scan a QR code" with a smartphone that has a built-in camera, a QR code scan screen will appear. Scan the QR code displayed on the Authentication Seed Management webpage.
  • The Authentication Seed will be registered as "NU (Central_Authentication_Service)".
    • Confirm that the 6-digit number displayed in the "Confirmation of Authentication Code" field on the Authentication Seed Management webpage is the same as the one shown on Google Authenticator.
      • If they are not the same, the time on your smartphone may be greatly out of sync.
  • (In the case of re-setting/setting after the second time) After confirming that the 6-digit number displayed in the "Confirmation of Authentication Code" field is the same as the one shown on Google Authenticator, please remember to click the "Register" button on the Multi-Factor Authentication CAS Authentication Seed Management webpage and register your Authentication Seed to the CAS server.

  • After registration, you can confirm that multi-factor authentication is possible with your Nagoya University ID account from this Multi-factor Authentication CAS Authentication Test Page. Please give it a try.

Authentication Seed Registration to Google Authenticator(for smartphones) (7)

Authentication Seed registration by manually inputting the Authentication Seed (Setup Key)

  • If you select "Enter a setup key" when registering a new Authentication Seed, the following Setup Key (Authentication Seed) registration screen will be shown.
    • Set an "Account name" that you can remember.
      • Do not use an account name that is easily identifiable as being connected to your Nagoya University ID.
    • Select "Time based" for "Key Type".
    • Input your "Authentication Seed" in the "Key" field.
      • The authentication is not case sensitive, so you may input alphabetic characters in lower case letters if you wish.
      • It may be difficult to distinguish between characters like "0" (zero) and "O" and "1" (one) and "I", but feel free to input them as you like since those characters are handled as the same.

Authentication Seed Registration to Google Authenticator(for smartphones) (8)

  • Confirm that the 6-digit number displayed in the "Confirmation of Authentication Code" field on the screen is the same as the one shown on Google Authenticator.
    • If they are not the same, the time on your device may be greatly out of sync.
  • (In the case of re-setting/setting after the second time) After confirming that the 6-digit number displayed in the "Confirmation of Authentication Code" field is the same as the one shown on Google Authenticator, please remember to click the "Register" button on the Multi-Factor Authentication CAS Authentication Seed Management webpage and register your Authentication Seed to the CAS server.

  • After registration, you can confirm that multi-factor authentication is possible with your Nagoya University ID account from this Multi-factor Authentication CAS Authentication Test Page. Please give it a try.

TIPS "About Backup"

Open the menu from the three-point reader in the upper right corner of the application screen and select "Export Account".
Save the QR code for data transfer by taking a screenshot, and store it in a safe place.
At that time, please note that you will be asked if you want to "delete the exported data.

To restore the data, use Google Authenticator's QR code reader to read the QR code that you have stored.

Authentication Seed Registration to Google Authenticator(for smartphones) (2024)

FAQs

Authentication Seed Registration to Google Authenticator(for smartphones)? ›

After starting Google Authenticator, tap the "+" mark on the lower right-hand corner of the screen and start the registration of a new Authentication Seed. Next, a screen to select a method to register your Authentication Seed will appear. Select "Scan a QR code".

How do I activate Google Authenticator on my phone? ›

Set up Authenticator
  1. On your Android device, go to your Google Account.
  2. At the top, tap the Security tab. If at first you don't get the Security tab, swipe through all tabs until you find it.
  3. Under "You can add more sign-in options," tap Authenticator. ...
  4. Tap Set up authenticator. ...
  5. Follow the on-screen steps.

How to set up Google Authenticator on new phone without old phone? ›

You can't transfer Google Authenticator to a new phone without the old phone, but you can switch your Authenticator key to a new phone by logging into the 2-step verification section of your account settings and clicking Change authenticator app.

How to transfer Google Authenticator 2FA codes to a new phone? ›

Transfer your Authenticator keys via Android
  1. Install Google Authenticator on your new phone.
  2. Tap Get started.
  3. Tap Scan a QR code. ...
  4. Open Google Authenticator on your older phone.
  5. Tap on the three dots on the top right of the screen and select Transfer accounts.
  6. Select Export accounts.
Apr 28, 2023

Can I use 2 phones for Google Authenticator? ›

5 Answers. You can set up Google Authenticator so that you can generate verification codes from more than one device. Make sure that you have Google Authenticator downloaded on all devices that you want to use. Go to the 2-Step Verification page.

How do I get the 6 digit code from Authenticator app? ›

You need to install the Google Authenticator app on your smart phone or tablet devices. It generates a six-digit number, which changes every 30 seconds. With the app, you don't have to wait a few seconds to receive a text message.

How do I get the QR code for Authenticator app? ›

To generate a new QR code, click Add sign-in method and select Authenticator app from the list of options. You'll then be told that you need to install the app, which is fine because it's already on the device. Click Next to start the setup process and click Next again to see a new QR code for the app (Figure 2).

What if you don t have access to Google Authenticator on your old phone? ›

If you've lost access to your primary phone, you can verify it's you with: Another phone signed in to your Google Account. Another phone number you've added in the 2-Step Verification section of your Google Account.

What happens to Google Authenticator if I get a new phone? ›

You must physically transfer your authenticator account to your new iPhone or Android before you wipe your old phone. Doing so will ensure you can still access your multi-factor codes and sign in to those accounts on your new phone. Without those codes, you could very well end up locked out of your online accounts.

How can I get my verification code without another device? ›

Get a text or phone call

If you don't have a trusted device handy, you can have a verification code sent to your trusted phone number as a text message or phone call.

How do I restore my Google Authenticator to my new Iphone? ›

Open the Google Authenticator app.

If you still have access to your old Authenticator, you can easily recover all your accounts onto a new device by scanning your QR code with that device. The only way to recover Authenticator if you've lost your phone is to make sure you have a backup copy of your QR code in advance.

How can I recover my Google Authenticator account? ›

When you set up Google Authenticator two-factor authentication (2FA) in your account, you're prompted to download a backup key. This code lets you restore access to your account in case you change or lose your phone, or accidentally delete the Google Authenticator app.

How do I find my Google Authenticator backup code? ›

Create & find a set of backup codes
  1. Go to your Google Account.
  2. On the left, click Security.
  3. Under "Signing in to Google," click 2-Step Verification. You may need to sign in.
  4. Under "Backup codes," click Continue .
  5. From here you can: Get backup codes: To add backup codes, click Get backup codes.

How do I change my phone number on the Authenticator app? ›

Go to Settings > Security > Two-factor authentication and click on Manage. Click Change next to your phone number to update it. You will receive a text message with a verification code.

How do I recover my 8 digit backup code? ›

Where do I find my 8 digit backup codes?
  1. Go to your Google Account.
  2. On the let navigation panel, click Security.
  3. Under Signing in to Google, click 2-Step Verification.
  4. Under Backup codes, click Setup or Show codes. You can print or download your codes.

How do I get a 6 digit authentication code instead of 8? ›

Settings>Passwords>App Ask for 6 digit code. It'll be in there updating over and over like the actual Authenticator apps do.

Why is my 6 digit Google Authenticator code not working? ›

First, check to see that your phone time matches the time on your computer. The authenticator is time-stamped, so if the two do not match it will not work. If you're using an Android, your phone may have gotten out of sync.

What is the 6 digit code for Google Account? ›

Phone prompts help improve the security of your account and are faster than entering a code. When we need to make sure it's you signing in, we'll send a 6-digit code to your phone. You can choose to get your code in a text message (SMS) or through a voice call.

How do I log into my Authenticator app without QR code? ›

If your camera is unable to capture the QR code, you can manually add your account information to the Microsoft Authenticator app for two-factor verification.

Where is the two-factor authentication QR code? ›

Go to My Account and click on Enable Two-Factor Authentication. The wizard will generate a QR code. You need to scan this code with your 2FA application, then type the code your 2FA application shows.

How do I reset my Authenticator app? ›

To reset Authenticator App for your compromised account:

Go to Security. Under Multi-factor Authentication, click Reset Authenticator App. ​​Verify your existing setup. Caution: If you exit the process before completing setup, you may lock yourself out of resources.

How do I turn off 2 step verification without signing in? ›

First off, go to Settings and Privacy > Settings > Security and Login > Two-factor authentication on your browser-based Facebook account. You'll find a list of your authorized devices where you won't need to use a login code.

What is the secret key in Google Authenticator? ›

After setting up Google Authentication,you are assigned a backup key(secret key). The App then generates one-time passwords(OTP)at regular intervals,using the secret key as a seed. Those one-time passwords are required to log in. 1.To begin,click enable on your account page.

How do I skip device verification? ›

Turn off 2-Step Verification
  1. Open your device's Settings app and tap Google. Manage your Google Account.
  2. At the top, tap Security.
  3. Under "Signing in to Google," tap 2-Step Verification. You might need to sign in.
  4. Tap Turn off.
  5. Confirm by tapping Turn off.

How can I get SMS verification code without phone? ›

Top 10 Free Sites to Receive SMS Online Without Real Phone Numbers
  1. Pinger Textfree Web. The Pinger Textfree Web is a good resource to receive SMS online. ...
  2. Receive Sms-Online.Com. ...
  3. FreeOnlinePhone. ...
  4. RecieveSMSOnline.net. ...
  5. RecieveFreeSMS.com. ...
  6. Sellaite SMS Receiver. ...
  7. Twilio. ...
  8. TextNow.

Is Google Authenticator linked to icloud? ›

Google Authenticator makes it easy to add accounts to the app. Linked to that is cross-platform support, since it works on iPhone, iPad, and Android devices. You can have it on iOS, iPadOS, and Android if you really want. Do bear in mind that you do not actually need a Google Account for this.

Does Google Authenticator get backed up in icloud? ›

The venerable Google Authenticator app is finally getting the one feature people have been asking for years: cloud backup. In the latest version rolling out to Android and iOS, Google has finally added this feature that makes it both more secure and more convenient.

How can I access my Gmail account without 2 step verification? ›

Open your Google Account. In the "Security" section, select 2-Step Verification. You might need to sign in. Select Turn off.

What is my 8 digit backup code for Google? ›

Just head over to https://www.google.com/settings/security, scroll down past the list of providers (including PayPal, Apple Pay, and Amazon Payments), and click Recover your account. On the following screen, you will see your eight digit backup code listed among other important account info.

How do I find my Google security code on Android? ›

Verify your Google Account
  1. On your phone, go to Settings. Google.
  2. Tap Manage your Google Account. Then, scroll right and tap Security. Security code.
  3. If needed, enter your phone password and pick the account.
  4. A 10-digit code generates on your phone.
  5. Enter the code on the device you want to sign in on and tap Continue.

What is the Google verification code by SMS? ›

If you use 2-Step Verification, you've elected to get a verification code by text when you sign in. This code adds an extra layer of security to your account. Learn more about 2-Step Verification. If you're creating a Google Account, we might ask you to enter a verification code that we send to your phone.

What is the key code for Google Authenticator? ›

What Does Key Mean on Google Authenticator? The key is the QR code or the 32-digit code on Google Authenticator account details. It is provided in the 2-factor authentication settings, which can either be scanned or manually entered into the Authenticator app.

How do I restore my Google Authenticator? ›

When you set up Google Authenticator two-factor authentication (2FA) in your account, you're prompted to download a backup key. This code lets you restore access to your account in case you change or lose your phone, or accidentally delete the Google Authenticator app.

What is the 6 digit key on Google Authenticator? ›

Google Authenticator app generates a six-digit code for you to enter when you log in. The code changes about every minute. Once you have set up the connection with ACF's site, every time that you log out of your ACF account you will need to use Google Authenticator to regain access when you login again.

Why is Google Authenticator not working? ›

If your Google Authenticator app is not working, either on Android or iPhone, there may be a glitch with the time sync. Fortunately, it's easy to fix this if Google Authenticator has stopped working. Here's how. All you have to do is make sure your Google Authenticator app's time is synced correctly.

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