One-Time Password Authenticator

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Full Title or Meme

Authenticators are devices in the user possession that can generate a one-time password.

Context

Security Dynamics invented and patented the "Time-Based One-Time Password Algorithm" which has since come off-patent and standardized as RFC 6238.

Problem

Give users a handle held device that can generate password for access to secure accounts.

Solution

  • The original Security Dynamics (later RSA, now Dell) Authenticator was a small hand held device that continually generated a password every (eg 30) seconds that could be sync'd with the server.
  • Now Microsoft, Google and others offer Authencators as Smart Phone Native Apps.