How to break Okamoto's cryptosystem by reducing lattice bases
Lecture Notes in Computer Science on Advances in Cryptology-EUROCRYPT'88
An introduction to the analysis of algorithms
An introduction to the analysis of algorithms
The computational complexity of simultaneous Diophantine approximation problems
SFCS '82 Proceedings of the 23rd Annual Symposium on Foundations of Computer Science
Solving low density subset sum problems
SFCS '83 Proceedings of the 24th Annual Symposium on Foundations of Computer Science
Attacking the Chor-Rivest cryptosystem by improved lattice reduction
EUROCRYPT'95 Proceedings of the 14th annual international conference on Theory and application of cryptographic techniques
Random lattices, threshold phenomena and efficient reduction algorithms
Theoretical Computer Science
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Two new lattice reduction algorithms are presented and analyzed. These algorithms, called the Schmidt reduction and the Gram reduction, are obtained by relaxing some of the constraints of the classical LLL algorithm. By analyzing the worst case behavior and the average case behavior in a tractable model, we prove that the new algorithms still produce "good" reduced basis while requiring fewer iterations on average. In addition, we provide empirical tests on random lattices coming from applications, that confirm our theoretical results about the relative behavior of the different reduction algorithms.