Bitwarden has launched a new authenticator app
Bitwarden has launched a new authenticator app
Storing 2FA codes is just the beginning. Bitwarden aims to add defense in depth to authentication.
Bitwarden Authenticator is a standalone app that is available for everyone, even non-Bitwarden customers.
In its current release, Bitwarden Authenticator generates time-based one-time passwords (TOTP) for users who want to add an extra layer of 2FA security to their logins.
There is a comprehensive roadmap planned with additional functionality.
Available for iOS and Android
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Just like in the password manager, they ignored HOTP. Oh well.
Could you tell me more ?
HOTP is an HMAC-based OTP, whereas TOTP is a time-based OTP. Basically, this is how each works:
- HOTP - based on a key + a counter, which increments with each code generated
- TOTP - based on a key + time, so you get a new key every N seconds
TOTP is quite common and honestly is all I use, whereas HOTP may be more common in certain enterprises. Main criticisms:
- HOTP - longer time window for a key to be valid for the entire time between logins (i.e. potentially easier to brute force)
- TOTP - less user-friendly due to the time window; also, you just need a clock, you don't need to know the counter value (if someone gets the key, they can generate keys whenever)
Gotcha, thank you very much.