A Study on the Algorithm of Improved One-Time Password using Time and Time Correction 


Vol. 27,  No. 11, pp. 1074-1080, Nov.  2002


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  Abstract

In clients/server environments, the one-time password scheme using time is especially useful because it solves the synchronization problem. However, it has the problem that is time-slippage, and causes the authentication to fail. In this paper, we propose an effective one-time password algorithm, which solves the time-slippage problem through the use of 1-bit information, which denotes the duration in which the authentication could be failed because of time-slippage. This algorithm is added easily and quickly to current one-time password systems using time without requiring any change of protocols: the proposed algorithm can be implemented by adding only 1-bit information to the user authentication information, not by modifying the one-time password authentication system protocol. And we propose also the algorithm of time correction, which can be implemented by adding 2-bit information on the proposed one-time password.

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  Cite this article

[IEEE Style]

C. Kang, J. Park, S. Hong, B. Bae, B. Park, "A Study on the Algorithm of Improved One-Time Password using Time and Time Correction," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 11, pp. 1074-1080, 2002. DOI: .

[ACM Style]

Cheol-Oh Kang, Joong-Gil Park, Soon-Jwa Hong, Byung-Cheol Bae, and Bong-Joo Park. 2002. A Study on the Algorithm of Improved One-Time Password using Time and Time Correction. The Journal of Korean Institute of Communications and Information Sciences, 27, 11, (2002), 1074-1080. DOI: .

[KICS Style]

Cheol-Oh Kang, Joong-Gil Park, Soon-Jwa Hong, Byung-Cheol Bae, Bong-Joo Park, "A Study on the Algorithm of Improved One-Time Password using Time and Time Correction," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 11, pp. 1074-1080, 11. 2002.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880