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What is time-based and counter-based in Google Authenticator?
Time-based codes provide better protection against phishing and keyloggers since each code is only valid for a short amount of time. Time-based codes also automatically stay in sync with DreamHost’s servers, as opposed to counter-based codes which require manual syncing.
What is Google Authenticator counter-based?
Google Authenticator is a software-based authenticator by Google that implements two-step verification services using the Time-based One-time Password Algorithm (TOTP; specified in RFC 6238) and HMAC-based One-time Password algorithm (HOTP; specified in RFC 4226), for authenticating users of software applications.
Does Google Authenticator privacy?
Google has updated its 2FA Authenticator app for iOS with a new privacy feature that lets users require Face ID or Touch ID before displaying two-factor account authentication codes. Previously, fingerprint or facial authentication was only required when exporting accounts.
Does Google have an authenticator app?
If you set up 2-Step Verification, you can use the Google Authenticator app to receive codes. You can still receive codes without internet connection or mobile service.
What do you need to know about Google Authenticator?
Google Authenticator is a software-based authenticator by Google that implements two-step verification services using the Time-based One-time Password Algorithm (TOTP; specified in RFC 6238) and HMAC-based One-time Password algorithm (HOTP; specified in RFC 4226), for authenticating users of software applications.
What kind of hash algorithm does Google Authenticator use?
Google Authenticator(Fig. 50.4) is a mobile application that uses TOTP or HOTP algorithms as described by Request for Comments (RFC) 6238 [8]. The algorithm of OTP generation is based on an HMAC-Secure Hash Algorithm 1 hash of a secret key and a counter value (timestamp in the case of TOTP).
Where do I enter my passcode on Google Authenticator?
When the Google Authenticator app displays a 6-digit passcode, enter it in the passcode field. If you are using counter-based codes, you may need to press the refresh button to display the first code. Click the Activate! button and DreamHost’s server is synced to your device. Save the backup codes presented in the ‘Success!’ dialog box.
How to use the Google Authenticator app with multifactor?
Before you can enable Multifactor Authentication on your DreamHost account, you’ll need to install the Google Authenticator app on your smartphone or tablet device.