Download e-book for iPad: Advances in Cryptology – CRYPTO 2004: 24th Annual by Alex Biryukov, Christophe De Cannière, Michaël Quisquater

By Alex Biryukov, Christophe De Cannière, Michaël Quisquater (auth.), Matt Franklin (eds.)

ISBN-10: 3540226680

ISBN-13: 9783540226680

ISBN-10: 3540286284

ISBN-13: 9783540286288

Crypto 2004, the twenty fourth Annual Crypto convention, used to be backed via the Int- nationwide organization for Cryptologic learn (IACR) in cooperation with the IEEE laptop Society Technical Committee on defense and privateness and the pc technology division of the collage of California at Santa Barbara. this system committee approved 33 papers for presentation on the conf- ence. those have been chosen from a complete of 211 submissions. each one paper got not less than 3 autonomous stories. the choice approach integrated a web based dialogue section, and a one-day software committee assembly at ny U- versity. those court cases contain up to date models of the 33 authorized papers. The authors had a couple of weeks to revise them, aided through reviews from the reviewers. even though, the revisions weren't subjected to any editorial assessment. Theconferenceprogramincludedtwoinvitedlectures.VictorShoup’sinvited speak was once a survey on selected ciphertext defense in public-key encryption. Susan Landau’s invited speak used to be entitled “Security, Liberty, and digital Commu- cations”. Her prolonged summary is integrated in those complaints. We persevered the culture of a Rump consultation, chaired through Stuart Haber. these displays (always brief, frequently critical) usually are not incorporated here.

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Additional info for Advances in Cryptology – CRYPTO 2004: 24th Annual International Cryptology Conference, Santa Barbara, California, USA, August 15-19, 2004. Proceedings

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Related work: Similar results were previously obtained for some substitutionpermutation network (SPN) ciphers. In [9] Harpes, Kramer and Massey give an example of 8-bit SPN that is secure against LC and DC, but insecure for generalised linear cryptanalysis due to a probabilistic homomorphic property of each round relative to quadratic residuosity function modulo The Jakobsen attack for substitution ciphers that uses probabilistic univariate polynomials from [15] can also be seen as a special case of GLC.

Linear Encryption. The Decision Linear problem gives rise to the Linear encryption (LE) scheme, a natural extension of ElGamal encryption. Unlike ElGamal encryption, Linear encryption can be secure even in groups where a DDH-deciding algorithm exists. In this scheme, a user’s public key is a triple of generators her private key is the exponents such that To encrypt a message choose random values and output the triple To recover the message from an encryption , the user computes By a natural extension of the proof of security of ElGamal, LE is semantically secure against a chosen-plaintext attack, assuming Decision-LA holds.

29. J. Patarin, How to construct pseudorandom and super pseudorandom permutations from one single pseudorandom function. Eurocrypt’92,Springer, pp. 256-266, 1992. 30. Adi Shamir: On the security of DES, Crypto’85, LNCS 218, Springer, pp. 280-281, 1985. TEAM LinG 36 A Nicolas T. Courtois Selected Bi-linear Characteristics of DES S-Boxes In this section we give some bi-linear characteristics for DES S-boxes. Our results are not exhaustive: the number of possible bi-linear characteristics is huge and we do not have a fast method to find all interesting characteristics.

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Advances in Cryptology – CRYPTO 2004: 24th Annual International Cryptology Conference, Santa Barbara, California, USA, August 15-19, 2004. Proceedings by Alex Biryukov, Christophe De Cannière, Michaël Quisquater (auth.), Matt Franklin (eds.)

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