Advances in Cryptology - CRYPTO 2009: 29th Annual - download pdf or read online

By Shai Halevi

ISBN-10: 3642033555

ISBN-13: 9783642033551

This ebook constitutes the refereed lawsuits of the twenty ninth Annual overseas Cryptology convention, CRYPTO 2009, held in Santa Barbara, CA, united states in August 2009. The 38 revised complete papers provided have been conscientiously reviewed and chosen from 213 submissions. Addressing all present foundational, theoretical and learn points of cryptology, cryptography, and cryptanalysis in addition to complicated purposes, the papers are equipped in topical sections on key leakage, hash-function cryptanalysis, privateness and anonymity, interactive proofs and zero-knowledge, block-cipher cryptanalysis, modes of operation, elliptic curves, cryptographic hardness, merkle puzzles, cryptography within the actual global, assaults on signature schemes, mystery sharing and safe computation, cryptography and game-theory, cryptography and lattices, identity-based encryption and cryptographers’ toolbox.

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Extra resources for Advances in Cryptology - CRYPTO 2009: 29th Annual International Cryptology Conference, Santa Barbara, CA, USA, August 16-20, 2009, Proceedings (Lecture ... Computer Science Security and Cryptology)

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That is, given a public key and a valid ciphertext, the encapsulated key is well defined, and can be decapsulated using the secret key. In addition, the generation process of a valid ciphertext also produces a “witness” to the fact that the ciphertext is indeed valid. Ciphertexts generated using the second mode are referred to as invalid ciphertexts, and essentially contain no information on the encapsulated key. That is, given a public key and an invalid ciphertext, the distribution of the encapsulated key (as it will be produced by the decryption process) is almost uniform.

Let G = (G, q, g) where G a group of order q that is generated by g, and set = λ + 2 log q + 2 log(1/ ) for some negligible = (n). – Key generation: Choose s1 , . . , s ∈ {0, 1} and g1 , . . , g ∈ G uniformly at random. Let h = i=1 gisi , and output the keys SK = (s1 , . . , s ), P K = (g1 , . . , g , h) . – Encryption: On input a message M ∈ G, choose r ∈ Zq uniformly at random, and output the ciphertext (g1r , . . , g r , hr · M ) . – Decryption: On input a ciphertext (u1 , . . , uk , e) output e · i=1 usi i −1 .

Public-key cryptosystems resilient to key leakage. Cryptology ePrint Archive, Report 2009/105 (2009) 29. : Public-key cryptosystems provably secure against chosen ciphertext attacks. In: STOC, pp. 427–437 (1990) 30. : A block cipher based pseudo random number generator secure against side-channel key recovery. In: ASIACCS, pp. 56–65 (2008) 31. : A leakage-resilient mode of operation. In: EUROCRYPT, pp. 462–482 (2009) 32. : On lattices, learning with errors, random linear codes, and cryptography.

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Advances in Cryptology - CRYPTO 2009: 29th Annual International Cryptology Conference, Santa Barbara, CA, USA, August 16-20, 2009, Proceedings (Lecture ... Computer Science Security and Cryptology) by Shai Halevi


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