By Hans Dobbertin, Vincent Rijmen, Visit Amazon's Aleksandra Sowa Page, search results, Learn about Author Central, Aleksandra Sowa,

ISBN-10: 3540265570

ISBN-13: 9783540265573

This publication constítutes the completely refereed postproceedings of the 4th overseas convention at the complicated Encryption average, AES 2004, held in Bonn, Germany in may possibly 2004. the ten revised complete papers offered including an introductory survey and four invited papers through best researchers have been rigorously chosen in the course of rounds of reviewing and development. The papers are geared up in topical sections on cryptanalytic assaults and comparable issues, algebraic assaults and similar effects, implementations, and different themes. All in all, the papers represent a latest evaluation of the state-of-the-art of knowledge encryption utilizing the complex Encryption average AES, the de facto global normal for information encryption.

**Read or Download Advanced Encryption Standard - AES: 4th International Conference, AES 2004, Bonn, Germany, May 10-12, 2004, Revised Selected and Invited Papers PDF**

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**Additional resources for Advanced Encryption Standard - AES: 4th International Conference, AES 2004, Bonn, Germany, May 10-12, 2004, Revised Selected and Invited Papers**

**Sample text**

Contained in the proof of Theorem 1 in [23]. Remark 5. Clearly if wt(γa ) + wt(γb ) = Bl , then Wl [γa , γb ] ≤ (2n − 1). Further, the values χ(w,i) and υ (w,j) depend only on γa and γb , not on the speciﬁc values of a and b. Lemma 4. Given a, b ∈ {0, 1}N \ 0 that satisfy wt(γa ) + wt(γb ) > Bl , let W = Wl [γa , γb ], f = wt(γa ), = wt(γb ), and let χ(w,i) , υ (w,j) be deﬁned as above. Consider the vectors Vw in (10). Select any (f + −Bl ) vector positions, and ﬁx a value in {0, 1}n \ 0 for each position.

R. Anderson and M. Kuhn. Low cost attacks on tamper resistant devices. In B. Christianson, B. Crispo, T. Mark, A. Lomas, and M. Roe, editors, 5th Security Protocols Workshop, volume 1361 of Lecture Notes in Computer Science, pages 125–136. Springer-Verlag, 1997. 3. I. Biehl, B. Meyer, and V. M¨ uller. Diﬀerential Fault Analysis on Elliptic Curve Cryptosystems. In M. Bellare, editor, Advances in Cryptology – CRYPTO 2000, volume 1880 of Lecture Notes in Computer Science, pages 131–146. SpringerVerlag, 2000.

255} which satisfy the equation Ck ⊕ Dk = SubByte(x) ⊕ SubByte(x ⊕ ej ) (15) We obtain Kj9 and Kj9 ⊕ ej as solutions to (15). So, if we obtain another faulty ciphertext with a fault ej (ej = ej ) which occurs on the same byte j of K 9 , we obtain Kj9 and Kj9 ⊕ ej as solutions. This allows us to deduce the value of Kj9 because it is the only value that appears in both solution. 9 9 to K15 ) of the With this attack, we obtain the values of the last 4 bytes (K12 9 round key K with 32 faulty ciphertexts on average.