By Luan Ibraimi, Qiang Tang, Pieter Hartel, Willem Jonker (auth.), Feng Bao, Hui Li, Guilin Wang (eds.)
ISBN-10: 3642008429
ISBN-13: 9783642008429
ISBN-10: 3642008437
ISBN-13: 9783642008436
This booklet constitutes the refereed court cases of the fifth foreign info safety perform and adventure convention, ISPEC 2009, held in Xi'an, China in April 2009.
The 34 revised complete papers have been conscientiously reviewed and chosen from 147 submissions. The papers are geared up in topical sections on public key encryption, electronic signatures, procedure safety, utilized cryptography, multimedia safety and DRM, protection protocols, key trade and administration, hash features and MACs, cryptanalysis, community safeguard in addition to safety applications.
Read Online or Download Information Security Practice and Experience: 5th International Conference, ISPEC 2009 Xi’an, China, April 13-15, 2009 Proceedings PDF
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Additional resources for Information Security Practice and Experience: 5th International Conference, ISPEC 2009 Xi’an, China, April 13-15, 2009 Proceedings
Sample text
It wins the game if β = β under the following conditions: – At any time, ID∗ has not been submitted to the Private-Key-Request query. – (c∗ , ID∗ , PKID∗ ) have not been submitted to the Dec query. – If it is Type I adversary, ID∗ cannot be equal to an identity for which both the public key has been replaced and the partial private key has been extracted. We define A’s advantage in attacking the certificateless public key encryption CL-PKE as 1 = |Pr[β = β ] − |. AdvCL-PKE A 2 28 J. Lai et al. Definition 3.
LNCS, vol. 5037, pp. 111–129. Springer, Heidelberg (2008) 13. : Fuzzy identity-based encryption. In: Cramer, R. ) EUROCRYPT 2005. LNCS, vol. 3494, pp. 457–473. Springer, Heidelberg (2005) 14. : Ciphertext-policy attribute-based encryption: An expressive, efficient, and provably secure realization. In: Cryptology ePrint report 2008/290 (September 1, 2008) 15. edu/pbc/ RSA-Based Certificateless Public Key Encryption Junzuo Lai1 , Robert H. cn Abstract. Certificateless Public Key Cryptography was first introduced by Al-Riyami and Paterson in order to eliminate the inherent key-escrow problem of Identity-Based Cryptography.
Now, the event AskH∗2 |¬Abort denoted by Good, where Abort denotes the event that B aborts during the simulation. If Good dose not happen, it is clear that RSA-Based Certificateless Public Key Encryption 31 the adversary does not gain any advantage greater than 1/2 to guess β. Namely, we have Pr[β = β|¬Good] ≤ 1/2. Hence, by splitting Pr[β = β], we obtain 2 |Pr[β = β] − 12 | ≤ 12 Pr[Good]. To sum up, we have > qH τ (qpar +qprv +1) . 2 Time Complexity. In the simulation, B’s overhead is dominated by the exponentiation computation in response to AI ’s H and Public-Key-Request queries.
Information Security Practice and Experience: 5th International Conference, ISPEC 2009 Xi’an, China, April 13-15, 2009 Proceedings by Luan Ibraimi, Qiang Tang, Pieter Hartel, Willem Jonker (auth.), Feng Bao, Hui Li, Guilin Wang (eds.)
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