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RSA-EPAKE의 사전공격에 대한 안전성 분석

Cryptanalysis of an Efficient RSA-Based Password-Authenticate Key Exchange Protocol against Dictionary Attack

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참고문헌

주제분류컴퓨터학

초록

최근, Park 등은 RSA의 기반 인증된 키 교환 프로토콜을 제안하고, 제안한 프로토콜의 안전성을 증명했다. 본 논문에서는 Park 등에 의해 제안된 프로토콜을 분석하고, 사전공격에 취약함을 보인다. 또한 제안하는 공격의 성능을 분석함으로써 공격 방법이 Park 등이 제안한 프로토콜에 매우 효율적임을 보인다.

Abstract

Recently, an efficient passowrd-authenticated key exchange protocol based on RSA has been proposed by Park etal with fomal security proof. In this letter, we analyze their protocol, and show that it is not secure against an active adversary who performs a dictionary attack. Moreover, we analyze the performance of the proposed attack and show that the attack is a threatening attack against the protocol.

참고문헌 (11)

  1. F.Bao, "Security Analysis of a Password Authenticated Key Exchange Protocol", in Proc. of ISC 2003, pp.208~217 (2003), Springer-Verlag
  2. S. M. Bellovin, "Encrypted key exchange: password-based protocols secure against dictinary attacks", In Proc. of 1992 IEEE Symposium on Research in Security and Privacy, pp.72~84 (1992)
  3. M. Bellare, "Authenticated key exchange secure against dictionary attack", in Proc. of Eurocrypt 2000, pp.139~155 (2000)
  4. D. Catalano, "Trapdoor Hard-to-Invert Group Isomorphisms and Their Application to Password-based Authentication", Journal of Cryptology, 20(1), pp.115~149 (2007)
  5. P. MacKenzie, "Password-Authenticated Key Exchange Based on RSA", in Proc. of ASIACRYPT 2000, pp.599~613 (2000)
  6. S.Patel, "Number Theoretic Attacks on Secure Password Schemes", in Proc. of IEEE Symposium on Security and Privacy, pp.236~247 (1997)
  7. S. Park, "Efficient Password-Authenticated Key Exchange Based on RSA", in Proc. of CT-RSA 2007, Springer- Verlag, pp.309~323 (2007)
  8. D. S. Wong, "More Efficient Password Authenticated Key Exchange Based on RSA", in Proc. of INDOCRYPT 2003, pp.375~387 (2003)
  9. M.Zhang, "Further Analysis of Password Authenticated Key Exchange Protocol based on RSA for Imbalanced Wireless Networks", in Proc. of ISC 2004, pp.13~24 (2004)
  10. M.Zhang, "New Approaches to Password Authenticated Key Exchange based on RSA", in Proc. of ASIACRYPT 2004, pp.230~244 (2004)
  11. F. Zhu, "Password Authenticated Key Exchange Based on RSA for Imbalanced Wireless Networks", in Proc. of ISC 2002, pp.150~161 (2002)

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