论述并介绍几种主要的数据加密技术。
研究了基于宏块置乱的视频数据加密技术。
This paper presents a video encryption approach by MacroBlock permutation.
数据加密技术是实现网络安全的关键技术之一。
The data encryption technology is one of the key skills to ensure the network security.
数据加密技术是实现网络安全的关键技术之一。
Data encryption is one of the key technologies in network security.
数据加密技术是保障信息安全的最核心的技术。
Data encryption is the most core techniques for the safety of the information.
采用数据加密技术是语音保密通信的重要手段。
The data encrypts is important means in the speech secure communication.
其中数据加密技术被誉为信息安全的核心技术。
Among these, data encryption technology is said to be the critical one.
需要用某种形式的加密技术保护数据的机密性和完整性。
Some form of encryption is needed to protect confidentiality and integrity of data.
2009年已有数据库加密技术的专利发明出现。
In 2009, there was a patent invention of database encryption technology.
但在这一阶段，逐渐有国内科研人员开始进行数据库加密技术的研究。
But at this stage, the domestic researchers began to study the database encryption technology.
第三个阶段是国产数据库加密技术逐步产品化并走向市场的阶段。
The third stage is the gradual progress of the domestic database encryption technology and market.
第三个阶段是国产数据库加密技术逐步产品化并走向市场的阶段。
The third stage is the gradual progress of the domestic database encryption technology and market.
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