symmetric cryptographic algorithms meaning in Chinese

传统密码算法又称对称密码算法

Determines the set of valid key sizes for the symmetric cryptographic algorithms
确定对称加密算法的有效密钥大小设置。
The paper discusses the development of web , browser / server mode conception and the content and mechanism of network security based on web , and also describes the basic conception and system of cipher theory , symmetric - based data encryption standard and advanced encryption standard and asymmetric - based rsa . it presents a detailed design of secrecy net of digital government , and advances a des - and - rsa - based security model of information exchange , which makes use of symmetric cryptographic algorithm to encrypt plaintext , and introduces public - key algorithm rsa to encrypt session key to compose digital envelope and to realize digital signature
本文论述了web的发展及其browser / server模式概念，以及基于web的网络安全的内容与机制；阐述了密码学的基本概念、分类，对称密钥密码体制des与aes以及公开密钥密码体制rsa ；最后，利用一种基于des和rsa的信息交换安全模型，详细地给出了一个数字政府的保密网系统设计方案。