隐私保护计算密码技术研究进展与应用

The emergence of technologies such as cloud computing, big data analytics, the Internet of Things (IoT), mobile internet, artificial intelligence (AI), and blockchain has given rise to several critical security concerns, especially regarding privacy breaches. Sophisticated cryptographic algorithms and protocols, including secure multiparty computation, homomorphic encryption, zero-knowledge proof, and indistinguishability obfuscation, provide effective solutions to address these challenges. The cryptographic community has already witnessed numerous commendable efforts aimed at mitigating privacy breaches through the utilization of advanced cryptographic algorithms and protocols. This study offers a comprehensive survey of the designs and applications of such algorithms and protocols, assessing them based on their security level, module rationale, and limitations regarding security and performance. This survey acts as a valuable resource for readers seeking a thorough understanding of the latest advancements in cryptographic algorithms and protocols. It also serves to bridge the gap between the theoretical underpinnings and practical applications of these advanced cryptographic primitives.