The Advanced Encryption Standard ( AES) issued by the National Institude of Standards and Technology ( NIST) of the USA in 2001, is supposed to replace DES, and has become the new widely-used symmetric block cipher standard.

A new symmetric block cipher algorithm was brought forward. The overall structure and hardware implementation of an encryption and decryption ASIC system based on PCMCIA interface standard were achieved.

根据标准数据加密算法，提出了一种新的对称分组加密算法，并基于国际个人计算机存储卡协会（PCMCIA）接口标准完成了加密/解密芯片的总体设计和硬件实现。

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Performance of four alternative hardware architectures of the symmetric block cipher using an alternative hardware technology based on Field Programmable Gate Arrays ( FPGA) is discussed and compared.

介绍和讨论基于FPGA的硬件技术实现分组加密算法时所采用的4种结构及其性能。

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SSL uses a public key infrastructure to negotiate a mutually acceptable symmetric key cipher and to agree upon and exchange encryption keys between two communication sources.

ssl使用一个公共密钥基础设施来协商出一个双方都能接受的对称密钥加密，并在通信两端之间交换双方同意的加密密钥。

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The Hardware Implementation of a New Symmetric Block Cipher Algorithm Based on PCMCIA

基于PCMCIA接口数据加密算法的硬件实现

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In this protocol, the evidence problem based on reliable client is pointed out. Without public key signature algorithm, the evidence problem is solved by symmetric cipher and hash function.

该协议提出了基于客户端可信的证据保留问题，并在不使用公钥数字签名算法的前提下，利用哈希函数与对称密码算法解决了证据保留问题。

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With the application of symmetric cipher and asymmetric cipher, a cryptographic key management scheme for hierarchy is presented and a workgroup cryptographic key management scheme is presented.

结合单钥加密和双钥加密的理论，分别给出了纵向的等级安全管理密钥管理方法和横向的协同工作安全管理的工作组密钥管理方法。

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Research and Design of Symmetric Cipher Processing Architecture

对称密码处理结构的研究与设计

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As the basis and core of information security, cryptography also attracts more and more attention. Brute force attack on symmetric cipher algorithms is an important direction of cryptography.

密码学作为信息安全的基础和核心，也越来越受到人们的关注，而暴力破解对称密码算法，是密码学研究的一个重要方向。

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TRENDS The Research of Dynamic Symmetric Cipher Algorithm

动态对称密码算法的研究与探讨

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You need a symmetric key to do the encryption, and the key must be managed independently.

必须有对称密钥才能解密，而且密钥必须单独管理。

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This type of schemes has the following two characteristics: the commitment value of the signature is only recoverable by an intended receiver, so the value also can be used as a shared symmetric key of symmetric encryption and acts as "two birds one stone".

它有两个特点，一个是签名中的承诺值只有预定的接收者才能算出，从而又可将该承诺值用作对称加密的密钥，取得一举两得之功效；

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This paper introduces a high speed symmetric key data encryption/ decryption IC according to the algorithm which is designed on the basis of encryption standards established by the national information security domain.

根据国家信息安全领域确定的密码标准体系自行设计的对称密码算法，提出了一种高速对称密码芯片结构。

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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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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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Then the development of grid, from computing grid to service grid, constructs a software framework for this request.

而网格技术从计算网格发展到服务网格为解决这个问题提供了平台。

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We should balance the load in service grid in order to enhance the resource's utility and increase system's throughput.

为了提高资源利用率和系统的吞吐率，需要实现服务网格系统内负载的均衡分布。

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At last, we summarize the significance of service grid to broadband business and illustrate the prospective research direction.

最后总结了服务网格给电信宽带业务模式转变带来的重大革新价值和未来的发展方向。

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Service grid business is unreliable because of its character of loosely coupled, distributed and long running.

服务网格业务的松散耦合、地理分布、运行时间长等特点决定了它的不可靠性。

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Optimization of self-scheduling algorithm for service grid

面向服务网格的自调度算法优化技术

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Hierarchical Role-Based Delegation Authorization Execution Model for Service Grid

基于层次角色委托的服务网格授权执行模型

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