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One-Time Password
(redirected from One-time key)

    Also found in: Wikipedia 0.03 sec.
(security)One-Time Password - (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/.


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Key strength demands are still debatable and depend upon the key style, be it a one-time key with 128 bits or a public key of the same bit length, the strength (of 128 bits or above) is only as good as the key management.
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Delivering the SoftFob(TM) one-time key code to a customer's designated phone, email address, or by SMS text message, is a unique solution consumers will easily accept.
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Safe, secure end-to-end communications from bank to customer, as well as encrypting over-the-air communications between user and bank with the aid of a one-time key, DM's solution assigns a personal certificate to every user that verifies details of their mobile phone subscription and handset to authenticate them as a bona fide customer of the bank.
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