Title
Cloud-Oriented Sat Solver Based On Obfuscating Cnf Formula
Abstract
Propositional satisfiability (SAT) has been widely used in hardware and software verification. Outsourcing complex SAT problem to Cloud can leverage the huge computation capability and flexibility of Cloud. But some confidential information encoded in CNF formula, such as circuit structure, may be leaked to unauthorized third party.In this paper, we propose a novel Cloud-oriented SAT solving algorithm to preserve privacy. First, an obfuscated CNF formula is generated by embedding a Husk formula into the original formula with proper rules. Second, the obfuscated formula is solved by a state-of-the-art SAT solver deployed in Cloud. Third, a simple mapping algorithm is used to map the solution of the obfuscated formula back to that of the original CNF formula.Theoretical analysis and experimental result show that our algorithms can significantly improve security of the SAT solver with linear complexity while keeping its solution space unchanged.
Year
DOI
Venue
2014
10.1007/978-3-319-11119-3_18
WEB TECHNOLOGIES AND APPLICATIONS, APWEB 2014, PT II
Keywords
Field
DocType
SAT solver, CNF formula, Privacy, Obfuscating, Cloud computing
#SAT,Computer science,Boolean satisfiability problem,Satisfiability,Outsourcing,Third party,Theoretical computer science,Software verification,Cloud computing,Computation
Conference
Volume
ISSN
Citations 
8710
0302-9743
2
PageRank 
References 
Authors
0.36
12
4
Name
Order
Citations
PageRank
Ying Qin1304.39
Shengyu Shen28310.06
Jingzhu Kong320.36
Huadong Dai442.77