Plenary Lecture

A Comparison of the128-bit Block Ciphers: AES, Camellia, SEED

Professor Mirella Amelia Mioc
Department of Computer Science
Faculty of Automatics and Computers
“Politehnica” University of Timisoara

Abstract: In the same time with the growing of the computer networks and the quick advances in technology a large amount of data became exchanged over unsecured channels. The security of the information has become a critical point in the modern computing systems for protecting data from unauthorized access. More and more, Security is developed as an important issue in communication and storage. The nowadays digital communication transmission and storage of multimedia data has increased very much. Data Encryption Standard, International Data Encryption Algorithm and the Advanced Encryption Standard (AES) have some limitations in multimedia data encryption, so that numerous researchers developed many new methods for encryption. Because of the continuous growth of the dimension and complexity of real world data sets is necessary to combine two or more algorithms for obtaining advanced data mining algorithms. ISO/IEC 18033-3:2010 specifies block ciphers. A block cipher is a symmetric encipherment system where the encryption algorithm operates on a block of plaintext to obtain a block of ciphertext. Starting from 2000, when Rijndael became the winner of the international contest of cryptographic algorithms, several kinds of comparisons between existing encryption ciphers have been made. Comparisons have been attempted on the basis of the criteria hard or soft, as a function of time, the size of the encrypted texts, depending on the type of input date lot and more.

Brief Biography of the Speaker: Mirella Amelia Mioc graduated the Faculty of Electrotehnics, Computer Science, of the „Traian Vuia” Polytehnic Institute of Timisoara; Presently she is Assistant Professor in the Department of Computer Science from „Politehnica” University of Timisoara. The main field of interest consists of analizing the use of shift registers in cryptography and coding theory, the subject of her PhD. Her scientific activity concerns: Number Theory,Numerical Methods for mathematics,Information Theory,Programming languages: Pascal, C, C++, Lisp, ML, Java, Fundamental concepts of programming languages, Study of using shift registers in cryptography and coding theory. She is the author of:3 books about Programming Languages Pascal and C, 4 guiding laboratories - Numerical Methods and Programming Languages, 43 scientific papers published in conference proceedings and journals in country and abroad. She performed scientific activities in some foreign univesities:Technische Universität Berlin, Germany, Technical University of Budapest, Hungary, Université Libre de Bruxelles, Belgium, Université de Liège, Belgium, Université Pierre et Marie Curie ( VI ) of Paris, France. She participated in several EU founded projects in TEMPUS, LEONARDO and ERASMUS and also took part in some grants and agreements in research. She was member in the implementations team of the Project “WETEN – Western-Eastern Teacher Education Network”, 145035 - TEMPUS – 2008 – LT – JPTHN in the period 2009 – 2011. She has papers presented in WSEAS Conferences in 2008, 2009 and also published in WSEAS Journals. She was invited Plenary Speaker in the 13th WSEAS International Conference on COMPUTERS in Rhodes in July 2009 and also in the 11th WSEAS International Conference on DATA NETWORKS, COMMUNICATIONS, COMPUTERS (DNCOCO '12) in Sliema, Malta, September 7-9, 2012 and this year in the INASE Conference from Athina.

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