Definition Edit

A one-time password (OTP) devices

are physical devices used to generate a password with a short lifespan. A common method of using OTPs is to distribute physical pieces of paper containing multiple passwords, which are used in a sequence. The entity performing authentication knows both the passwords and the sequence in which they are to be used. Sub-classifications include Software-based OTP (e.g., a mobile application continuously generating new OTPs), and One-Time Password Device (e.g., RSA token). OTP devices are commonly deployed alongside memorized secret tokens to result in a multifactor solution.[1]

References Edit

  1. NISTIR 8080, at 16.

See also Edit

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