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- W4376958529 abstract "The wireless network suffers from many security problems, and computation in a wireless network environment may fail to preserve privacy as well as correctness when the adversaries conduct attacks through backdoors, steganography, kleptography, etc. Secure computation ensures the execution security in such an environment, and compared with computation on the plaintext, the performance of secure computation is bounded by the underlying cryptographic algorithms and the network environment between the involved parties. Besides, the Chinese cryptography laws require the cryptographic algorithms that appeared in the commercial market to be authorized. In this work, we show how to implement oblivious transfer (OT), an important primitive in secure multiparty computation (MPC), using the Chinese government-approved SM2 and SM3 algorithms. The SM2 algorithm is based on the elliptic curve cryptography and is much faster than the discrete logarithm-based solutions. Moreover, by adopting the standard OT extension technique, we can extend the number of OTs efficiently with one more round of communication and invocations to the SM3 and SM4 algorithms. The OT primitive can be used in the Beaver multiplication triple generation and other MPC protocols, e.g., private set intersection. Therefore, we can utilize the SM series cryptography, specifically, the SM2, SM3, and SM4 algorithms, to build highly efficient secure computation frameworks which are suitable for the wireless network environment and for commercial applications in China. The experimental evaluation results show that our protocols have comparable performance to existing protocols; specifically, our protocols are quite suitable for bad network environments." @default.
- W4376958529 created "2023-05-18" @default.
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- W4376958529 date "2023-05-17" @default.
- W4376958529 modified "2023-10-14" @default.
- W4376958529 title "Efficient Secure Computation from SM Series Cryptography" @default.
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- W4376958529 doi "https://doi.org/10.1155/2023/6039034" @default.
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