Title

The 128-bit block cipher MARS

Document Type

Thesis

Degree

Master of Science (MS)

Department

Computer Engineering

First Advisor's Name

Malcolm Heimer

First Advisor's Committee Title

Committee Chair

Second Advisor's Name

Subbarao Wunnava

Third Advisor's Name

Jean Andrian

Date of Defense

6-11-2003

Abstract

The purpose of the research is to investigate the emerging data security methodologies that will work with most suitable applications in the academic, industrial and commercial environments. Of several methodologies considered for Advanced Encryption Standard (AES), MARS (block cipher) developed by IBM, has been selected. Its design takes advantage of the powerful capabilities of modern computers to allow a much higher level of performance than can be obtained from less optimized algorithms such as Data Encryption Standards (DES). MARS is unique in combining virtually every design technique known to cryptographers in one algorithm.

The thesis presents the performance of 128-bit cipher flexibility, which is a scaled down version of the algorithm MARS. The cryptosystem used showed equally comparable performance in speed, flexibility and security, with that of the original algorithm. The algorithm is considered to be very secure and robust and is expected to be implemented for most of the applications.

Identifier

FI14051800

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