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一个基于整数的高效全同态加密方案

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摘要 为了提高全同态加密方案的效率,基于无偏移近似最大公约数问题和稀疏子集和问题,提出了一个改进的基于整数的全同态加密方案.在DGHV方案的原始框架基础上,通过将模数由模2转换为模2k,使得单次数据处理能力由1比特增长到七比特.通过压缩公钥技术的应用把公钥的尺寸降到(O)(λ4),在保证较高的数据处理能力的同时具有较小的公钥尺寸,从而更适合实际的在云环境下进行应用.
出处 《网络安全技术与应用》 2019年第12期40-43,共4页 Network Security Technology & Application
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