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A Memory Efficient Regular Expression Matching by Compressing Deterministic Finite Automata

by Utkarsha P. Pisolkar, Shivaji R. Lahane
International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 122 - Number 20
Year of Publication: 2015
Authors: Utkarsha P. Pisolkar, Shivaji R. Lahane
10.5120/21815-5143

Utkarsha P. Pisolkar, Shivaji R. Lahane . A Memory Efficient Regular Expression Matching by Compressing Deterministic Finite Automata. International Journal of Computer Applications. 122, 20 ( July 2015), 14-17. DOI=10.5120/21815-5143

@article{ 10.5120/21815-5143,
author = { Utkarsha P. Pisolkar, Shivaji R. Lahane },
title = { A Memory Efficient Regular Expression Matching by Compressing Deterministic Finite Automata },
journal = { International Journal of Computer Applications },
issue_date = { July 2015 },
volume = { 122 },
number = { 20 },
month = { July },
year = { 2015 },
issn = { 0975-8887 },
pages = { 14-17 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume122/number20/21815-5143/ },
doi = { 10.5120/21815-5143 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T23:11:02.817547+05:30
%A Utkarsha P. Pisolkar
%A Shivaji R. Lahane
%T A Memory Efficient Regular Expression Matching by Compressing Deterministic Finite Automata
%J International Journal of Computer Applications
%@ 0975-8887
%V 122
%N 20
%P 14-17
%D 2015
%I Foundation of Computer Science (FCS), NY, USA
Abstract

Regular expressions are very meaningful and now-a-days broadly used to represent signatures of various attacks. The focal component of today's security systems like intrusion detection and prevention system is a signature based regular expression matching. Deterministic finite automaton is often used to represent regular expressions. In regular expression matching, storage space of Deterministic finite automata is very important concern. A massive amount of memory is essential to store transition function of Deterministic finite automata. The method described in this paper reduces size of Deterministic finite automata which is in regular expression format. The performance of the regular expression matching by compressing Deterministic finite automata is evaluated by using regular expression set.

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Index Terms

Computer Science
Information Sciences

Keywords

Regular expressions security attacks deterministic finite automata intrusion detection and prevention.