Advances in Cryptology — CRYPTO 2002: 22nd Annual - download pdf or read online

By Sean Murphy, Matthew J.B. Robshaw (auth.), Moti Yung (eds.)

ISBN-10: 354044050X

ISBN-13: 9783540440505

ISBN-10: 3540457089

ISBN-13: 9783540457084

Crypto 2002, the twenty second Annual Crypto convention, used to be backed through IACR, the overseas organization for Cryptologic study, in cooperation with the IEEE computing device Society Technical Committee on safeguard and privateness and the pc technology division of the college of California at Santa Barbara. it's released as Vol. 2442 of the Lecture Notes in machine technology (LNCS) of Springer Verlag. observe that 2002, 22 and 2442 are all palindromes... (Don’t nod!) Theconferencereceived175submissions,ofwhich40wereaccepted;twos- missionsweremergedintoasinglepaper,yieldingthetotalof39papersaccepted for presentation within the technical software of the convention. during this lawsuits quantity you are going to ?nd the revised types of the 39 papers that have been offered on the convention. The submissions symbolize the present nation of labor within the cryptographic group world wide, masking all parts of cryptologic learn. in reality, many fine quality works (that without doubt may be released in different places) couldn't be authorised. this can be as a result aggressive nature of the convention and the demanding job of choosing a application. I desire to thank the authors of all submitted papers. certainly, it's the authors of all papers who've made this convention attainable, whether or now not their papers have been approved. The convention application used to be additionally immensely bene?ted by means of plenary talks.

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Read Online or Download Advances in Cryptology — CRYPTO 2002: 22nd Annual International Cryptology Conference Santa Barbara, California, USA, August 18–22, 2002 Proceedings PDF

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Additional info for Advances in Cryptology — CRYPTO 2002: 22nd Annual International Cryptology Conference Santa Barbara, California, USA, August 18–22, 2002 Proceedings

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40]). See Figure 4, using a fixed public key K in the tweakable block cipher, and chaining through the tweak input. We don’t know if this construction is secure. With a strong additional property on the tweakable block cipher, namely that for a fixed known key and fixed unknown tweak, we still get a pseudorandom permutation, we could adapt the proof of the Davies-Meyer hash function. However, as we noted in section 2, this is not the case for all tweakable block ciphers2 . 3 Tweakable Authenticated Encryption (TAE) In this section we suggest an authenticated mode of encryption (TAE) based on the use of a tweakable block cipher.

5. S Coron, H. Handshuh, M. Joye, P. Paillier, D. Pointcheval, and C. Tymen. Reallife Chosen-Ciphertext Secure Encryption of Arbitrary-Length Messages. In D. Naccache, editor, PKC’2002, volume 2274 of Lecture Notes in Computer Science, pages 17 – 33. Springer-Verlag, Berlin, 2002. 6. A. Desai, A. L Yin. A Practice-Oriented Treatment of Pseudorandom Number Generators. In L. Knudsen, editor, Advances in Cryptology – Eurocrypt 2002, volume 2332 of Lecture Notes in Computer Science. Springer-Verlag, Berlin, 2002.

For the sake of simplicity, we will allow the attacker to be adaptive from one block to the next within a single message. This mimics the behavior of smart card implementations. Throughout the paper, this kind of attacker is said to be blockwise-adaptive. The first and simplest cryptanalysis we present is the attack on CBC mode of operation. The attacker adapts directly the plaintext block according to the previous ciphertext block. The proposed attack is very efficient, it uses a small constant number of queries to the encryption oracle and always succeeds.

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Advances in Cryptology — CRYPTO 2002: 22nd Annual International Cryptology Conference Santa Barbara, California, USA, August 18–22, 2002 Proceedings by Sean Murphy, Matthew J.B. Robshaw (auth.), Moti Yung (eds.)


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