Paper Info
Title
Password Authentication Based on Fractal Coding Scheme.
Abstract
Password authentication is a mechanism used to authenticate user identity over insecure communication channel. In this paper, a new method to improve the security of password authentication is proposed. It is based on the compression capability of the fractal image coding to provide an authorized user a secure access to registration and login process. In the proposed scheme, a hashed password string is generated and encrypted to be captured together with the user identity using text to image mechanisms. The advantage of fractal image coding is to be used to securely send the compressed image data through a nonsecured communication channel to the server. The verification of client information with the database system is achieved in the server to authenticate the legal user. The encrypted hashed password in the decoded fractal image is recognized using optical character recognition. The authentication process is performed after a successful verification of the client identity by comparing the decrypted hashed password with those which was stored in the database system. The system is analyzed and discussed from the attacker's viewpoint. A security comparison is performed to show that the proposed scheme provides an essential security requirement, while their efficiency makes it easier to be applied alone or in hybrid with other security methods. Computer simulation and statistical analysis are presented.
Year
DOI
Venue
2012
10.1155/2012/340861
JOURNAL OF APPLIED MATHEMATICS
Field
DocType
Volume
Mathematical optimization,Zero-knowledge password proof,Password strength,Authentication,Challenge–response authentication,Computer network,S/KEY,One-time password,Password,Mathematics,Syskey
Journal
2012
ISSN
Citations 
PageRank 
1110-757X
1
0.35
References 
Authors
10
3
Name
Order
Citations
PageRank
Nadia M. G. Al-Saidi173.89
Mohamad Rushdan Md. Said272.16
Wan Ainun M. Othman310.35