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A Hybrid Approach of System Security for Small Ans Medium Enterprises: Combining Different Cryptographic Techniques

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Proceedings of the 2013 Federated Conference on Computer Science and Information Systems pp. 659–662

A Hybrid Approach of System Security for Small and Medium Enterprises: combining different Cryptography techniques
Georgiana Mateescu
Polytechnic University of Bucharest, Splaiul Independenței 313, Bucharest, Romania, Email: georgiana.mateescu@gmail.com

Marius Vladescu
Polytechnic University of Bucharest, Splaiul Independenței 313, Bucharest, Romania, Email: vladescumariusnicolae@yahoo.com

Abstract—Information protection is one of the most important issues in every domain, especially when we are talking about enterprises. Information safety can be translated into three key terms: integrity, availability and data protection. There is a great number of means used in order to achieve the three objectives simultaneously. The most popular is cryptography because it offers a lot of techniques which nowadays are impossible to fail. In this paper we want to prove their efficiency by comparing the different types of crypto algorithms and by presenting their weaknesses and strengths. In order to maximize the benefits of the crypto techniques, we propose a hybrid approach that combines three crypto algorithms.

I. INTRODUCTION

W

HEN we are talking about information security we refer to it as the mean we use to protect our information from unauthorized access, use, disclosure, disruption, modification, perusal, inspection, recording or destruction. The main concepts that a security system has to respect are: confidentiality, integrity, availability and authentication. These concepts represent the information security goals and must be achieved by every security system that aims to be functional. Most security systems use cryptography because it offers various algorithms and techniques practically impossible to break because of their complexity. Cryptography,

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