Comment on Bitwarden has launched a new authenticator app

• sugar_in_your_tea@sh.itjust.works ⁨6⁩ ⁨months⁩ ago

  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
  • TOTP - less user-friendly due to the time window; also, you just need a clock, you don’t need to know the counter value

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  • UnsavoryMollusk@lemmy.world ⁨6⁩ ⁨months⁩ ago

    Gotcha, thank you very much.

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