symmetric cipher

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。

From the master secret, the client and server create the session keys, symmetric keys within the bounds of the chosen symmetric cipher used to encrypt the session's data.

从master secret中，客户机和服务器可以创建session keys（会话密钥），这是选择用来对会话数据进行加密所使用的对称密码中的对称密钥。

Research and Design of Symmetric Cipher Processing Architecture

对称密码处理结构的研究与设计

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。

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.

高等加密标准（AES）是美国国家标准技术局（NIST）于2001年发布的，用于取代DES成为广泛应用的对称分组加密标准。

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

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。

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。

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。

At the beginning of 2001, the Symmetric Key Block Cipher Modes of Operation Workshop sponsored by NIST plans to develop a new mode standard that will be suitable for other symmetric key block cipher algorithms and AES.

2001年初，NIST分组密码运行模式工作组提出建议，计划制定新的工作模式标准（FIPS），以适应AES和其它分组密码算法发展的需要。

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。

TRENDS The Research of Dynamic Symmetric Cipher Algorithm

动态对称密码算法的研究与探讨

Development and Comment of Symmetric Key Block Cipher Modes of Operation

分组密码工作模式发展动态及简评