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Bulletin of Bryansk state technical university

SYMMETRIC ENCRYPTION UPGRADE BY INTRODUCTION OF INFORMATION BLOCK ON USED ALGORITHMS IN KEY Symmetric encryption upgrade by introduction of information block on used algorithms in key

Published in Bulletin of Bryansk state technical university · Volume 2015, Issue 4 · Pages 121–126 · Rubric: Computer engineering and information technology
DOI: https://doi.org/10.12737/17147
Received: 10.01.2016 Accepted: 10.01.2016 Published: 10.01.2016 Language of publication: RUS
Authors
N
N. Kuznetsova
KA
Karlova Tatyana
AL
Aleksandr Bekmeshov
ABSTRACT
The approach described in the paper is similar to the idea of memory organization in a computer. In the computer memory there must be saved not only data workable, but also directions for processing itself. Only in case when with encryption a key appears as a memory: it contains both, information essential in the course of encryption (a key proper), and an instruction on the way of encryption should be carried out (an additional block of information). As a consequence of this the crypto-durability of the whole system increases. At the same time the postulate of used algorithm openness is not broken: in the course of encryption there are used open algorithms only, only a key is secret which bears in itself the block of secret information on an open algorithm superposition.
KEYWORDS
Symmetric encryption, encryption algorithms, informa-tion security, information security
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Editor-in-chief  of the journal  Bulletin of Bryansk State Technical University  KHANDOZHKO ALEKSANDER VLADIMIROVICH     Aleksander Vladimirovich Khandozhko is Doctor of Engineering (2002), Associate Professor (1993), Honorary Worker of Higher Professional Education of the Russian Federation, Professor of the Department of Metal-cutting Machines and Tools at Bryansk State Technical University (BSTU). He was born in Chelyabinsk in 1958. In 1980 he graduated from Bryansk Institute of Transport Engineering (BITE) (now - Bryansk State Technical University, BSTU) with a degree in Mechanical Engineering Technology, Metal-cutting Machines and Tools. From 1980 to 1983, he worked as a manufacturing engineer at an industrial enterprise. From 1983 until now he has been working at Bryansk State Technical University, having started his career at the university as a training master. In 1985 he entered the full-time postgraduate course in BITE. In 1989 he defended the thesis for the degree of Candidate of Science in the Dissertation Council of Moscow State Aviation Technological Institute (MSATI) on the specialty Heat Engines of Aircrafts. After defending his thesis, he worked as an assistant and then as an associate professor of the department of Metal-cutting Machines and Tools at BITE. In 2000 he entered the post-doctoral program and in 2002 he defended his doctoral thesis on the specialty of Technology and Equipment of Mechanical and Physical-technical Processing. After defending his thesis, he worked as a professor of the department until 2009. In 2009 he was appointed the head of the department of Metal-cutting Machines and Tools at Bryansk State Technical University. In 2016 when the laboratory of wave deformation and combined hardening in additive and subtractive technologies was founded at BSTU, he became the head of the department of modular technological equipment, continuing his teaching work as a professor of the department of Metal-cutting Machines and Tools. Khandozhko A.V. is a member of the editorial board of the journal Science Intensive Technologies in Mechanical Engineering (Bryansk). Since 2002 he has been a member of dissertation councils of several universities; currently he is a member of three dissertation councils D999. 155. 03, D999.112.02 and D212.021.03 aa well as being the Deputy Chairman of Dissertation Council D999.155.03.   Topics of scientific research 1. Fundamental theoretical and applied issues of designing cutting tools. 2. Theory and practice of designing and manufacturing process equipment, including for additive-subtractive processes. 3. Issues of mechanical processing of materials. 4. Problems of providing product quality in mechanical processing and additive processes.
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