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公钥密码安全性
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公钥密码安全性
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理学
公钥密码
释
public-key encrytption
公钥密码安全性
在现代密码学中,公钥密码体制(public key encryption,PKE)是一种重要的密码原语(cryptographic primitive)。其基本作用是保护通信双方信息传递的机密性。按照安全目标,可将公钥加密体制的安全性主要分为:单向性(one-wayness,OW)和不可区分性(indistinguishability,IND)。单向性指敌手得到公钥和密文后,不能恢复出明文。
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