Matrix multiplication via arithmetic progressions
Journal of Symbolic Computation - Special issue on computational algebraic complexity
A noisy clock-controlled shift register cryptanalysis concept based on sequence comparison approach
EUROCRYPT '90 Proceedings of the workshop on the theory and application of cryptographic techniques on Advances in cryptology
Linear cryptanalysis method for DES cipher
EUROCRYPT '93 Workshop on the theory and application of cryptographic techniques on Advances in cryptology
The LILI-II Keystream Generator
ACISP '02 Proceedings of the 7th Australian Conference on Information Security and Privacy
Guess-and-Determine Attacks on SNOW
SAC '02 Revised Papers from the 9th Annual International Workshop on Selected Areas in Cryptography
A Generalized Birthday Problem
CRYPTO '02 Proceedings of the 22nd Annual International Cryptology Conference on Advances in Cryptology
On the Linear Consistency Test (LCT) in Cryptanalysis with Applications
CRYPTO '89 Proceedings of the 9th Annual International Cryptology Conference on Advances in Cryptology
Intrinsic Statistical Weakness of Keystream Generators
ASIACRYPT '94 Proceedings of the 4th International Conference on the Theory and Applications of Cryptology: Advances in Cryptology
On the Security of Nonlinear Filter Generators
Proceedings of the Third International Workshop on Fast Software Encryption
Cryptanalysis of Stream Ciphers with Linear Masking
CRYPTO '02 Proceedings of the 22nd Annual International Cryptology Conference on Advances in Cryptology
Towards fast correlation attacks on irregularly clocked shift registers
EUROCRYPT'95 Proceedings of the 14th annual international conference on Theory and application of cryptographic techniques
On the efficiency of the clock control guessing attack
ICISC'02 Proceedings of the 5th international conference on Information security and cryptology
A new simple technique to attack filter generators and related ciphers
SAC'04 Proceedings of the 11th international conference on Selected Areas in Cryptography
A new distinguisher for clock controlled stream ciphers
FSE'05 Proceedings of the 12th international conference on Fast Software Encryption
Algebraic attacks on combiners with memory and several outputs
ICISC'04 Proceedings of the 7th international conference on Information Security and Cryptology
Algebraic attacks on clock-controlled stream ciphers
ACISP'06 Proceedings of the 11th Australasian conference on Information Security and Privacy
An efficient cryptosystem Delta for stream cipher applications
Computers and Electrical Engineering
Modified clock-controlled alternating step generators
Computer Communications
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In this paper, we examine the effectiveness of clock control in protecting stream ciphers from a distinguishing attack, and show that this form of control is effective against such attacks. We model two typical clock-controlled stream ciphers and analyze the increase in computational complexity for these attacks due to clock control. We then analyze parameters for the design of clock-controlled stream ciphers, such as the length of the LFSR used for clock control. By adopting the design criteria described in this paper, a designer can find the optimal length of the clock-control sequence LFSR.