How to construct pseudorandom permutations from pseudorandom functions
SIAM Journal on Computing - Special issue on cryptography
Linear cryptanalysis method for DES cipher
EUROCRYPT '93 Workshop on the theory and application of cryptographic techniques on Advances in cryptology
Feistel Ciphers with L2-Decorrelation
SAC '98 Proceedings of the Selected Areas in Cryptography
Provable Security for Block Ciphers by Decorrelation
STACS '98 Proceedings of the 15th Annual Symposium on Theoretical Aspects of Computer Science
Differential Cryptanalysis of DES-like Cryptosystems
CRYPTO '90 Proceedings of the 10th Annual International Cryptology Conference on Advances in Cryptology
New Block Cipher DONUT Using Pairwise Perfect Decorrelation
INDOCRYPT '00 Proceedings of the First International Conference on Progress in Cryptology
FSE '99 Proceedings of the 6th International Workshop on Fast Software Encryption
On the Decorrelated Fast Cipher (DFC) and Its Theory
FSE '99 Proceedings of the 6th International Workshop on Fast Software Encryption
Provable Security against Differential and Linear Cryptanalysis for the SPN Structure
FSE '00 Proceedings of the 7th International Workshop on Fast Software Encryption
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Vaudenay[12] proposed a new way of protecting block ciphers against classes of attacks, which was based on the notion of decorrelation. He also suggested two block cipher families COCONUT and PEANUT. Wagner[14] suggested a new differential-style attack called boomerang attack and cryptanalyzed COCONUT'98. Cheon[5] suggested a new block cipher DONUT which was made by two pairwise perfect decorrelation modules and is secure against boomerang attack. In this paper we suggest an attack called difference distribution attack on DONUT. We also suggest an improved DONUT which is secure against difference distribution attack.