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Currently, information exchange processes are rapidly developing in financial information systems. The main reason for the development of this process is the application of information and modern digital technologies to financial systems. As a result, the creation of electronic payment systems, remote banking services, electronic money systems, cryptocurrencies and other financial technologies causes the volume of financial transactions to increase day by day. Therefore, at present, all over the world, the issue of ensuring the security of financial transactions is urgent. This article examines the methods of using cryptographic methods to ensure the security of financial transactions, modern symmetric key cryptosystems, and issues of determining and selecting their effectiveness. Also, the process of modelling an efficient key generator for symmetric block encryption algorithms such as AES, DES, and Kuznechik is presented.

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Ensuring the Security of Transactions in Financial Information Networks Based on Modern Symmetric Cryptosystems in the Digital Economy

  • 会议论文

  • 发表日期：

    2026年

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  • Rakhimberdiev Kuvonchbek,
  • Azam Kutbiddin Azamzade,
  • Samariddin Makhmudov,
  • Toshpulov Bekzod,
  • Mamasoliyev Sarvar

摘要

Currently, information exchange processes are rapidly developing in financial information systems. The main reason for the development of this process is the application of information and modern digital technologies to financial systems. As a result, the creation of electronic payment systems, remote banking services, electronic money systems, cryptocurrencies and other financial technologies causes the volume of financial transactions to increase day by day. Therefore, at present, all over the world, the issue of ensuring the security of financial transactions is urgent. This article examines the methods of using cryptographic methods to ensure the security of financial transactions, modern symmetric key cryptosystems, and issues of determining and selecting their effectiveness. Also, the process of modelling an efficient key generator for symmetric block encryption algorithms such as AES, DES, and Kuznechik is presented.