Linear cryptanalysis method for DES cipher
EUROCRYPT '93 Workshop on the theory and application of cryptographic techniques on Advances in cryptology
A New Version of the Stream Cipher SNOW
SAC '02 Revised Papers from the 9th Annual International Workshop on Selected Areas in Cryptography
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CRYPTO '02 Proceedings of the 22nd Annual International Cryptology Conference on Advances in Cryptology
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ASIACRYPT'05 Proceedings of the 11th international conference on Theory and Application of Cryptology and Information Security
Resistance of SNOW 2.0 against algebraic attacks
CT-RSA'05 Proceedings of the 2005 international conference on Topics in Cryptology
Algebraic Description and Simultaneous Linear Approximations of Addition in Snow 2.0.
ICICS '08 Proceedings of the 10th International Conference on Information and Communications Security
Cryptanalysis of Sosemanuk and SNOW 2.0 Using Linear Masks
ASIACRYPT '08 Proceedings of the 14th International Conference on the Theory and Application of Cryptology and Information Security: Advances in Cryptology
Modified clock-controlled alternating step generators
Computer Communications
Improved linear cryptanalysis of SOSEMANUK
ICISC'09 Proceedings of the 12th international conference on Information security and cryptology
Multiset collision attacks on reduced-round SNOW 3G and SNOW 3G⊕
ACNS'10 Proceedings of the 8th international conference on Applied cryptography and network security
Improved distinguishing attack on rabbit
ISC'10 Proceedings of the 13th international conference on Information security
Linear approximations of addition modulo 2n-1
FSE'11 Proceedings of the 18th international conference on Fast software encryption
MASHA: low cost authentication with a new stream cipher
ISC'11 Proceedings of the 14th international conference on Information security
Multidimensional linear distinguishing attacks and Boolean functions
Cryptography and Communications
Multiple modular additions and crossword puzzle attack on NLSv2
ISC'07 Proceedings of the 10th international conference on Information Security
Synthetic linear analysis with applications to CubeHash and Rabbit
Cryptography and Communications
Determining quality of s-boxes using pseudo random sequences generated from stream ciphers
ICA3PP'12 Proceedings of the 12th international conference on Algorithms and Architectures for Parallel Processing - Volume Part II
The stream cipher core of the 3GPP encryption standard 128-EEA3: timing attacks and countermeasures
Inscrypt'11 Proceedings of the 7th international conference on Information Security and Cryptology
On CCZ-equivalence of addition mod 2n
Designs, Codes and Cryptography
MaD2: an ultra-performance stream cipher for pervasive data encryption
FPS'12 Proceedings of the 5th international conference on Foundations and Practice of Security
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In this paper we present new and more accurate estimates of the biases of the linear approximation of the FSM of the stream cipher SNOW 2.0. Based on improved bias estimates we also find a new linear distinguisher with bias 2−−86.9 that is significantly stronger than the previously found ones by Watanabe et al. (2003) and makes it possible to distinguish the output keystream of SNOW 2.0 of length 2174 words from a truly random sequence with workload 2174. This attack is also stronger than the recent distinguishing attack by Maximov and Johansson (2005). We also investigate the diffusion properties of the MixColumn transformation used in the FSM of SNOW 2.0 and present some evidence why much more efficient distinguishers may not exist.