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A computationally efficient and randomized RLWE-based key exchange scheme
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DOI：10.1007/s10586-023-04032-8.png)
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摘要
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Key exchange enables two or more entities to agree on an identical key. In post-quantum, the construction of ring learning with error (RLWE) based key exchange provides a strong provable secure, and efficient solution. The resistance against signal leakage and key mismatch attacks is essential for developing secure RLWE-based key exchange mechanisms for the quantum era. RLWE-based key exchange schemes are developed in recent years, however, most of them found vulnerable to attacks or have higher computational costs. We have analyzed the existing contributions and defined a mechanism to achieve a computationally efficient and secure solution. To improve security and reduce computing overhead, we are introducing a new key exchange technique to attain efficiency and security against signal leakage and key mismatch attacks. Our scheme is proven secure by the random oracle model (ROM). Moreover, we have provided a performance evaluation of computation cost competing with other existing key exchange techniques.
Keyword:
Computational efficiency
Post-quantum security
Key exchange
Ring learning with errors (RLWE)
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4.1
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5.1K
被引数:
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