Cryptography is the core domain in the information security technique. It provides many algorithms and protocols to meet practical need.
密码学作为信息安全技术的核心领域，提供了多种密码算法与应用协议以满足人们实际应用的需要。
The network information security technique commonly includes authentication, authorization, audit, data privacy, data integrity and so on.
网络信息安全技术一般包括身份认证、授权控制、审计、数据保密和数据完整性等几个方面。
Based on the demand status of the information resource, analyses the network information security technique and the current status of authentication system.
就信息资源保护的需求现状，分析了当前网络信息安全通常采用的技术以及身份验证技术现状。
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