Computer Science – Cryptography and Security
Scientific paper
2009-07-10
Computer Science
Cryptography and Security
10 pages, 3 figures
Scientific paper
The one of the most interesting problem of discrete mathematics is the SAT (satisfiability) problem. Good way in SAT solver developing is to transform the SAT problem to the problem of continuous search of global minimums of the functional associated with the CNF. This article proves the special construction of the functional and offers to solve the system of non-linear algebraic equation that determines functional stationary points via modified method of consecutive approximation. The article describes parallel versions of the method. Also gives the schema of using the method to important problems of cryptographic analysis of asymmetric ciphers, including determining concrete bits of multipliers (in binary form) in large factorization problems and concrete bits of exponent of discrete logarithm problem.
Dylkeyt V. I.
Faizullin Rashit T.
Khnykin I. G.
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