Discrete Mathematics

Advanced Encryption Standard - AES: 4th International by Hans Dobbertin, Vincent Rijmen, Visit Amazon's Aleksandra PDF

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 ebook constítutes the completely refereed postproceedings of the 4th overseas convention at the complicated Encryption general, AES 2004, held in Bonn, Germany in may perhaps 2004. the ten revised complete papers awarded including an introductory survey and four invited papers through major researchers have been conscientiously chosen in the course of rounds of reviewing and development. The papers are prepared in topical sections on cryptanalytic assaults and similar issues, algebraic assaults and comparable effects, implementations, and different themes. All in all, the papers represent a most recent overview of the cutting-edge of knowledge encryption utilizing the complex Encryption common AES, the de facto global typical for info encryption.

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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

Example text

Optical Fault Induction Attack. In B. K. Ko¸c, and C. Paar, editors, Cryptographic Hardware and Embedded Systems – CHES 2002, volume 2523 of Lecture Notes in Computer Science, pages 2–12. Springer-Verlag, 2002. A The First Attack in More Details If a message M is ciphered by using an AES-128 and if a one-bit fault ej is induced on Mj9 , we obtain a faulty ciphertext D. e. for all values of x between 0 and 255 and for ej ∈ {0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80}, we test if the following equality holds : CShif tRow(j) ⊕ DShif tRow(j) = SubByte(x) ⊕ SubByte(x ⊕ ej ) (32) There is no solution to (32) if CShif tRow(j) ⊕ DShif tRow(j) = 185, so this value can be excluded right away.

The last rounds of an AES-128 By definition, we have C = Shif tRows(SubBytes(M 9 )) ⊕ K 10 (1) Let us denote by SubByte(Mji ) the result of the substitution table applied on the byte Mji and by Shif tRow(j) the position of the j th byte of a temporary result after applying the ShiftRows transformation. , 15}\{j}, we have: 10 DShif tRow(i) = SubByte(Mi9 ) ⊕ KShif tRow(i) (4) So, if there is no induced fault on the ith byte of M 9 , we obtain from (2) and (4) CShif tRow(i) ⊕ DShif tRow(i) = 0 (5) 32 C.

Lenstra. Memo on RSA Signature Generation in the Presence of Faults. Manuscript, 1996. com. 10. P. Maher. Fault Induction Attacks, Tamper Resistance, and Hostile Reverse Engineering in Perspective. In R. Hirschfeld, editor, Financial Cryptography – FC ’97, volume 1318 of Lecture Notes in Computer Science, pages 109–121. SpringerVerlag, 1997. 11. National Institute of Standards and Technology. FIPS PUB 197: Advanced Encryption Standard, 2001. 12. G. -J. Quisquater. A Differential Fault Attack Technique Against SPN Structures, with Application to the AES and Khazad.

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Advanced Encryption Standard - AES: 4th International Conference, AES 2004, Bonn, Germany, May 10-12, 2004, Revised Selected and Invited Papers by Hans Dobbertin, Vincent Rijmen, Visit Amazon's Aleksandra Sowa Page, search results, Learn about Author Central, Aleksandra Sowa,


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