Past Project

CRYPTOGRAPHIC

security in ICT networks

Project Information

Fund
National Centre for Research and Development

Description

The main ambition of the project is to solve selected important problems of information and communication network security, to include transferring and processing of data. A comprehensive approach to the issue of security has to include the following three rudimentary aspects: confidentiality, integrity, and accessibility of data. The project includes integrated research of cryptographic mechanisms such as ciphers and shortcut functions, their synthesis and cryptoanalysis.

Goals

The project objective is to develop new cryptographic algorithms.

In particular, the scientific goals of the project include:

  1. Elaborating the theoretical bases for and the principles of implementation of a generator of strongly non-linear, balanced boolean functions, on the basis of generation of random bent functions, and using the generator to design substitution blocks (S-blocks);
  2. Testing the susceptibility of the ciphers and S-blocks to linear and differential cryptoanalysis and to a synthesis of algorithms to calculate approximation tables and difference distribution tables in block cipher cryptoanalysis. The basis for determining the characteristics are the so-called approximation tables and cipher component function difference distribution tables. The defined algorithms to calculate the value of these tables are exponential in their complexity, which limits their application for component functions of a small number of binary inputs and outputs. The scope also includes research of susceptibility to linear and differential cryptoanalysis of S-blocks.

Research of this kind is conducted intensively worldwide. Methods of S-block synthesis are continuously developed. The Information Systems Security Division of the Poznan University of Technology has developed algorithms to generate S-blocks of multiple inputs and outputs. They are continuously improved.

Consortium

Project coordinator:

  • Dr. Janusz Stoklosa – Poznan University of Technology.

The institution performing the project:

  • Poznan University of Technology, Department of Electrical Engineering, Institute of Control and Information Engineering.

Financing

Project financed by The National Centre for Research and Development.

Eager to learn more about the project?

Get in touch with us at projekty@ppbw.pl

Project Information

Financing
National Centre for Research and Development

Relevant Updates

ul. Slowackiego 17/11, 60-822 Poznan, Poland
ul. Slowackiego 17/11
60-822 Poznan, Poland
Tax ID: 7831618232
REGON No: 300294630
KRS No: 0000251345
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SHIELD4CROWD has received funding from the European Union's Horizon Europe research and innovation programme under grant agreement No 101121171

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