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Research on Methods of Security Assurance Based on Computer-Assisted Proof

Author: ShiZuoYuan
Tutor: PangJianMin
School: PLA Information Engineering University
Course: Computer Software and Theory
Keywords: Security guarantees Machine-assisted proof Coq Inductive Calculus of Constructions Formal Methods Protocol verification Program Verification
CLC: TP309
Type: Master's thesis
Year: 2007
Downloads: 60
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Abstract


With the wide application of computers and networks , many seemingly safe and proper protocol or software presents serious security problems , these problems from the design and implementation of other aspects . Therefore, an urgent need for appropriate , systematic approach to ensure the safety of the protocol and software . -Depth study protocols and software security assurance methods , based on computer-aided proof , and the feasibility and effectiveness of the theoretical and experimental verification . This paper, following the work done ; a more comprehensive analysis and comparison of formal methods and computer-aided proof tool , pointed out their advantages and limitations ; selected auxiliary prove higher - order logic - based interactive tool Coq as this study platform on the meta-language of Coq - inductive structure calculation basis for further research , analysis of the powerful features of Coq , provides a theoretical basis and technical assurance is based on the work the Coq to carry out a security guarantee ; -depth analysis of a variety of protocol verification method , respectively, for the stop-and-wait protocol and the Otway - Rees authentication protocol to establish a formal model of the relevant concepts and the nature of its formal description and conducted a rigorous computer - aided verification . The verification results show that the agreement to stop waiting in the design is correct and Otway - Rees authentication protocol type defects ; for program correctness , Hoare logic program to extract technology , the use of Coq done a lot of functional and the verification of imperative programs , to explore a system to guarantee the safety of the procedure . Formal and proof rigorous computer validation, verification process and the results show that , based on computer-aided proof system can effectively carry out the protocols and software security assurance work .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > General issues > Security and confidentiality
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