One-Time Password - definition of One-Time Password - synonyms, pronunciation, spelling from Free Dictionary

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The Free On-line Dictionary of Computing (30 December 2018):

One-Time Password
S/Key

    (OTP) A security system that requires a new
   password every time a user authenticates themselves, thus
   protecting against an intruder replaying an intercepted
   password.  OTP generates passwords using either the MD4 or
   MD5 hashing algorithms.

   The equivalent term "S/Key", developed by Bellcore, is a
   trademark of Telcordia Technologies, so the name OTP is used
   increasingly.

   See RFC 1760 - "The S/KEY One-Time Password System" and RFC
   1938 - "A One-Time Password System".

   (http://cs.umd.edu/~harry/jotp/).

   (2000-01-31)