Analysis of issues of security of information systems on the basis of application of high performance computer systems

An important issue of ensuring information security for high performance computing is the use of virtualization and cloud computing. This approach has created many new security risks that need to be investigated. The article considers the issue of using cryptographic protection methods to achieve data security in cloud systems based on the GOST 28147-89 algorithm. Issues related to data security and information about the HPC context during the organization of access to services and resources are investigated. The use and implementation of the GOST 28147-89 cryptographic algorithm is considered. Changes in the GOST 28147-89 algorithm are proposed: a random number generator is included to generate a key in the form of a random number. It is used as a key for encryption and decryption within one session. This method was tested when creating a prototype according to the proposed concept on the computing cluster of the Academy of Marketing and Social Information Technologies - IMSIT.