초록

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Abstract ▼ AI-Helper

Peyravian and Zunic proposed a simple password authentication scheme based on hash function, however, their password was easily exposed in this scheme due to its vulnerability of guess attack. To overcome the vulnerability of their scheme, Cheng-Chi Lee, Li-Hua Li, and Min-Shiang Hwang have improved...

Peyravian and Zunic proposed a simple password authentication scheme based on hash function, however, their password was easily exposed in this scheme due to its vulnerability of guess attack. To overcome the vulnerability of their scheme, Cheng-Chi Lee, Li-Hua Li, and Min-Shiang Hwang have improved the scheme. Since these two schemes were not checked by integrity check with the verifier message, it shows vulnerability against attackers" counterfeit message, which makes it impossible for legal users to log it in. In this paper, we shall propose a simple and efficient remote user authentication scheme which is made through integrity check to password verifier that is not only safe in Denial of Service(DoS) attack, but also it does not cause any additional computation cost.

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