Lukyanov D. Key Information Management in Group Communication Cryptosystems.

The thesis is devoted to the development and substantiation of efficient methods of dynamic information cryptographic security of a large group communication system characterized by a spatially remote structure. Based on the analysis of the research into group communication cryptographic security, a holistic concept of key information management has been formulated. This concept has been implemented by elaborating new schemes and algorithms, by modifying the existing ones, as well as developing appropriate software support. On the basis thereof a project has been proposed of complex practical means of information cryptographic security for the distributed multi-component group structure with the management processes high -level optimization and automation.