Camellia: A 128-Bit Block Cipher Suitable for Multiple Platforms - Design and Analysis
SAC '00 Proceedings of the 7th Annual International Workshop on Selected Areas in Cryptography
Structural Cryptanalysis of SASAS
EUROCRYPT '01 Proceedings of the International Conference on the Theory and Application of Cryptographic Techniques: Advances in Cryptology
FSE '97 Proceedings of the 4th International Workshop on Fast Software Encryption
Improved Cryptanalysis of Rijndael
FSE '00 Proceedings of the 7th International Workshop on Fast Software Encryption
FSE '02 Revised Papers from the 9th International Workshop on Fast Software Encryption
PRESENT: An Ultra-Lightweight Block Cipher
CHES '07 Proceedings of the 9th international workshop on Cryptographic Hardware and Embedded Systems
Bit-Pattern Based Integral Attack
Fast Software Encryption
Cryptographic Properties and Application of a Generalized Unbalanced Feistel Network Structure
ACISP '09 Proceedings of the 14th Australasian Conference on Information Security and Privacy
Analysis of the SMS4 block cipher
ACISP'07 Proceedings of the 12th Australasian conference on Information security and privacy
Cryptanalysis of a generalized unbalanced feistel network structure
ACISP'10 Proceedings of the 15th Australasian conference on Information security and privacy
FSE'07 Proceedings of the 14th international conference on Fast Software Encryption
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In this paper, we give an extension of the concept of higher-order integral, which can make us design better higher-order integral distinguishers for some block ciphers (structures). Using the new extension, we present a unified algorithm of searching for the best possible higher-order integral distinguishers for block ciphers. We adopt the inside-out approach, trying to predict the behavior of a set of carefully chosen data, not only along encryption direction, but also along decryption direction. Applying the unified algorithm, we search for the best possible higher-order integral distinguishers of Gen-SMS4 structure, Gen-Fourcell structure and Present. For Gen-SMS4 structure and Present, the best higher-order integral distinguishers given by our algorithm are better than the best results known so far. For Gen-Fourcell structure, the best higher-order integral distinguishers given by our algorithm are the same as the best results known so far. We expect that the inside-out method is helpful to understand higher-order integral of block ciphers better, and the unified algorithm presented in this paper can be used as a tool for efficiently evaluating the security of a block cipher against integral cryptanalysis.