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Google Authenticator. Google Authenticator is a software-based authenticator by Google. It implements multi-factor authentication services using the time-based one-time password (TOTP; specified in RFC 6238) and HMAC-based one-time password (HOTP; specified in RFC 4226), for authenticating users of software applications. [2]
A well-known example of an OATH authenticator is Google Authenticator, a phone-based authenticator that implements both HOTP and TOTP. Mobile Push. A mobile push authenticator is essentially a native app running on the claimant's mobile phone. The app uses public-key cryptography to respond to push notifications.
Click the "Add" button at the bottom-left of Authenticator. Select "Authenticator". Type "Wikipedia" and your account name (e.g. "Wikipedia – Example") into the "Name" field. Copy the "Two-factor authentication secret key" from "Step 2" of the setup page and paste it into the "Secret Code" field. Leave the next option set to "Time-based".
Comparison of OTP applications. The following is a general comparison of OTP applications that are used to generate one-time passwords for two-factor authentication (2FA) systems using the time-based one-time password (TOTP) or the HMAC-based one-time password (HOTP) algorithms.
4. Select Authenticator app for your 2-step verification method.-To see this option, you'll need to have at least 2 recovery methods on your account . 5. Click Continue. 6. Scan the QR code using your authenticator app. 7. Click Continue. 8. Enter the code shown in your authenticator app. 9. Click Done. Sign in with 2-step for authenticator app. 1.
The most common example of this would be a key that you might use to unlock the front door of your home. Another example is a debit or credit card that has unique numbers—it is a physical object.
Call paid premium support at 1-800-358-4860 to get live expert help from AOL Customer Care. A security key is a physical device that gets uniquely associated with your AOL account after you enable it. Discover how to enable, sign in with, and manage your security key.
Time-based one-time password. Time-based one-time password ( TOTP) is a computer algorithm that generates a one-time password (OTP) using the current time as a source of uniqueness. As an extension of the HMAC-based one-time password algorithm (HOTP), it has been adopted as Internet Engineering Task Force (IETF) standard RFC 6238. [1] TOTP is ...