This article first analyzes the security of computer network, introduces basic technology that guarantee the security and emphasizes that cryptography is the core technology.

本文第一章分析计算机网络的安全性，介绍保障计算机网络安全的基本技术，指出密码技术是网络安全技术的核心。

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This paper introduces the enterprise computer network organization and security requests in our country, and gives security scheme for enterprise network based on cryptography.

该文试图通过对企业网络构成和安全需求的分析，提出基于自主密码技术的企业广域网系统安全方案。

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This paper introduces the enterprise computer network organization and security requests in our country, and gives security scheme for enterprise network based on cryptography.

该文试图通过对企业网络构成和安全需求的分析，提出基于自主密码技术的企业广域网系统安全方案。

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