public key encryption

To start with, cryptography is introduced from encryption and decryption, symmetric secret key encryption, public key encryption and password analysis.

首先从加密和解密、对称密钥加密、公钥加密、密码分析等方面对密码学进行了简单的介绍。

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Based on the combination of a public-key cryptosystem of the homomorphic encryption and on the theoretic construction relying on the F-hiding assumption, a protocol for comparing information of equality is proposed. The protocol needs only a single round of interaction and ensures fairness, efficiency and security.

基于F-隐藏假设以及同态公钥加密体制的语义安全性假设，给出了一个特殊的安全双方计算协议枣无信息泄漏的比较相等协议。

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EKE is a kind of key exchange protocol based on week password and can resist offline dictionary attacks by use of symmetric key encryption and public key encryption.

EKE协议是基于弱口令的密钥交换协议，通过使用对称密钥加密体制和公钥加密体制，能够很好地抵抗离线字典攻击。

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It guarantees privacy, integrity and authenticity of information exchanged between a Web server and a Web browser based on a multiple of public key cryptographical techniques and symmetrical encryption techniques.

SSL协议以多种公钥密码技术和对称加密技术为基础，实现Web服务器和Web浏览器之间的信息交换的秘密性、完整性和认证性的通信目标。

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To evaluate the IND-CCA2 security of public key encryption schemes, proposed the gray-box analysis of IND-CCA2 security.

为了更简单准确地判断公钥加密方案的IND-CCA2安全性，提出了IND-CCA2安全性的灰盒分析法。

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The present homomorphic encryption schemes are mostly in the form of" one-to-one", means one party encrypts and the other decrypts in public key cryptosystem.

已有同态加密方案大多是公钥密码体制下的一方加密，一方解密的一对一的密码形式。

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Encryption key is different from decryption key for the cryptosystem, therefore, in order to be different from symmetric encryption, which is called Public-Key Cryptosystem.

公钥密码学是加密密钥和解密密钥不同的密码学体系，为了区别加密密钥和解密密钥相同的对称密码系统，故取名为公钥密码。

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When the algorithms open, the decryption key can not be calculated by encryption key so the encryption key could be open, only keep decryption key secret, that is public key.

当算法公开时，在计算上不可能由加密密钥求解解密密钥，因而可以将加密密钥公开，即公开密钥。

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PKI is a technology that is based on the mechanism of the public key cryptography. It supplies a frame that allows you to deploy a security service, which is based on the unsymmetrical encryption.

PKI技术是一种基于公开密钥理论的技术，它提供了一种框架，使得你可以在这个框架下实施基于非对称加密的安全服务。

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Encryption algorithm using the IDEA and RSA algorithm, the main consideration to symmetric encryption efficiency and the security of public-key encryption;

加密算法采用成熟的IDEA和RSA算法，主要考虑到对称加密的高效性和公钥加密的安全性；

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