信息保密技术

基于时频分析的多媒体信息保密技术研究

Research on Multimedia Information Based on Time-frequency Analysis

而以密码学理论为基础的传统信息保密技术，还不足以满足现代信息安全的需要。

Traditional password theory is not enough to meet modern information security technology needs .

随着现代通信技术的长足进步，通信容量的不断增加，迫切需要研究开发具有高速、高保密性的新一代信息安全保密技术。

The security of the information transmission has become more and more important with the development of modern communication technology .

随着信息及保密技术的不断发展，传统的保密与认证方式已越来越难以满足认证安全性的要求。

As information and security technology develops , the traditional security and authentication technology has become increasingly difficult to guarantee the safety of certification .

公钥密码体制是实现信息安全保密的关键技术。

Public Key Cryptosystems is key technology of realizing information security .

网上档案信息的安全及保密技术

Safety and security technology of network archives information

激光混沌在光信息技术，保密通信技术等方面有着广泛的应用。

The chaotic laser has been widely used in the optical information technology and the secret communication technology .

密码技术是实现信息安全保密的核心技术，其安全性通常由算法的数学分析代价所决定。

As the core technology of information security , the security of cryptographic algorithms is usually determined by the cost of mathematical analysis .

接着从网络信息安全的角度，特别是从密码学角度阐述信息保密技术。

Then expatiates the technique about information secret from cryptography angle .