Security

Dynamic Key Cryptography and Applications

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Executive Summary

In modern security models, cryptography plays a fundamental role in protecting data integrity and confidentiality in information systems. However, cryptography itself is subject to cryptanalysis attacks. To reduce the cryptanalysis attack risk, a dynamic key theory is presented and analyzed in this paper. Because these dynamic keys are one-time used symmetric cryptographic keys, they can significantly improve the security of cryptographic systems. The dynamic key theory generation scheme and key update mechanism are formally analyzed to demonstrate balance between security and performance.

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