INFORMATION CHANGE THE WORLD

International Journal of Computer Network and Information Security(IJCNIS)

ISSN: 2074-9090 (Print), ISSN: 2074-9104 (Online)

Published By: MECS Press

IJCNIS Vol.4, No.1, Feb. 2012

Enhancing Hash Function Selection Techniques Based on Message Contents

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Author(s)

Ali Saeed,Muhammad Khalil Shahid

Index Terms

HMAC,Hash Function Table,Hash Functions’Random Selection Techniques

Abstract

In Hash based Security systems two major factors that are mostly relied upon are Strong Hash function and the selection procedure of the hash function from a given pool. This paper aims at exploiting maximum available resources a message possesses, intrinsically, that can accommodate greater number of hash functions references. It provides a simple, low cost- easy to implement technique that will be able to make systems available with random hash functions’ selection ability. With the given technique the security level will be enhanced along with greater availability of hash functions. The truly variable nature of contents of messages can be exploited in order to secure messages beyond measure. In case of a single communication stint, if one hash function is compromised the next hash function for next block will be selected truly randomly and cannot be predicted. A summary of already in use techniques is also discussed in order to prove the proposition distinct and practicable. In proposed technique it is proven that it has ability to accommodate greater number of hash functions. Further, the hash function selection methodology has been provisioned with a technique to be message-dependent; the security cannot be compromised owing to truly randomness of the selection procedure.

Cite This Paper

Ali Saeed,Muhammad Khalil Shahid,"Enhancing Hash Function Selection Techniques Based on Message Contents", IJCNIS, vol.4, no.1, pp.45-51, 2012.

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