Homomorphic encryption

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。

With the strict analysis of the characteristics of homomorphic encryption, we realize that the reasonable using of this technology can reduce the computational complexity and communication complexity of multi-party computation.

通过对同态加密技术特点的深入分析，得知合理利用此技术可降低多方计算协议的计算复杂度与通信复杂度。

The second system ( i.e., the strengthened version of the first one) achieved more efficient security reduction by incorporating the straight-line extraction paradigm and removed random oracles by using the non-interactive zero-knowledge argument from homomorphic encryption.

第二个系统（即前一个系统的增强版本）利用直线提取技术实现了更为高效的安全性归约过程，并借助基于同态加密的非交互零知识论证避免了对随机预言机的使用。

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。

Homomorphic Encryption Scheme in the Range of the Real

实数范围上的同态加密机制

It puts forward a novel approach to discover privacy-preserving sequential patterns based on secure multi-party computation by using commutative encryption and homomorphic encryption technology.

利用可交换加密技术和同态加密技术，提出一个新颖的基于安全多方计算的私密保持序贯模式挖掘算法。

In this paper, the main work of the homomorphic encryption as follows: First of all, introduce several typical homomorphic encryption schemes, including partially homomorphic encryption schemes and fully homomorphic encryption schemes.

本文在同态加密领域的主要工作如下：首先，介绍分析了几种典型的同态加密方案，包括半同态和全同态方案。

Secondly, this paper protects data by homomorphic encryption algorithm based on elliptic curve.

其次，本文提出基于椭圆曲线的同态加密算法，对传感器数据进行加密。

Making use of the Sander and Tschudin defined homomorphic encryption scheme in the integer ring, we design a new protocol, the homomorphism key agreement.

利用Sander和Tschudin提出的整数环上的同态加密机制，提出了一种新的密钥协定&同态密钥协定。

Finally, this paper presents a new secure tree-based data aggregation protocol which includes homomorphic encryption algorithm and the new result-checking algorithm.

最后，基于同态加密和新的结果验证算法，提出一种新的树形数据融合协议。

Based on these work, we summarize the existing problems of homomorphic encryption cryptosystems, and propose further ideas. Next, introduce the "many-to-one" homomorphic encryption scheme.

在此基础上，总结同态加密体制存在的问题，并提出进一步研究设想。其次，提出并设计了多对一的同态加密方案。

Research on Techniques Securing Mobile Code Based on Homomorphic Encryption

基于同态加密的移动代码安全技术研究

On the other hand, using homomorphic encryption technology, we.

另一方面，本文通过同态加密技术，提出一种基于同态加密的数据隔离操作机制。

But the defects of homomorphic encryption system still limit the scope of its application. Therefore, research on the theory and applications of homomorphic encryption is of great significance.

但目前同态加密体制的自身缺陷也限制了其应用的范围，所以从理论和应用两个方面研究同态加密具有重要的价值。

Wireless Group Key Distribution Protocol Based on Homomorphic Encryption Scheme Detecting Dynamic Complexity of Rat Population in Ecological Systems

基于同态加密机制的无线群组密钥分配协议生态系统中鼠群密度动态复杂性研究

In order to achieve software protection, dynamic data hiding makes use of homomorphic encryption scheme and data obfuscation to protect the key data in program.

针对程序中的关键数据的保护问题，动态数据隐藏是个可行的方法。

He explains that such a move is needed for homomorphic encryption and cloud security.

他解释说这样一个动态之所以被需要是出于单态加密（homomorphic encryption）和云安全性的考虑。

Compared with the general encryption algorithm, homomorphic encryption can implement not only the basic cryptographic operations, but also specific types of computations on ciphertexts, which means the results of calculating before decrypting is same as decrypting before calculating.

与一般加密算法相比，同态加密除了能实现基本的加密操作之外，还能实现密文间的多种计算功能，即先计算后解密可等价于先解密后计算。