Symmetric encryption algorithms and methods for their evaluation
Keywords:
Encryption, symmetric algorithm, AES, DES, data security, cryptanalysis, evaluation criteriaAbstract
This thesis analyzes the mechanisms of operation of modern symmetric encryption algorithms, their main types, and performance indicators. An analysis was also conducted based on the criteria used in the evaluation of encryption algorithms - speed, security, resource consumption, stability, and key length. The advantages and weaknesses of symmetric encryption algorithms in ensuring data security are highlighted.
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References
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3. NIST. *Federal Information Processing Standards (FIPS) 197: AES*, 2001.
4. Behrouz Forouzan. *Cryptography and Network Security*, McGraw-Hill, 2017.
5. Scientific articles and standards on cryptography in Uzbekistan.



















