Aiming at the data secrecy problem in database, we have analyzed some present encryption mechanism and put forward a new query method based on ciphertext index.

针对数据库中数据的保密性问题，分析了目前已有的一些加密机制，提出了一种基于密文索引的新的查询方法。

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On software it's composed of audio-video processing function, audio and video synchronizing function, audio and video data secrecy function, multicast transmission function.

系统软件包括音视频处理、音视频同步及数据加密和多播传输等功能。

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The security problems of information systems include identity authentication service, access control service, data secrecy service, data integrality service, non-negation service, etc.

信息系统中的安全性问题主要包含身份认证服务、访问控制服务、数据保密服务、数据完整牲服务和不可否认服务等几个方面。

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For one thing, banking-secrecy and data-protection laws will make it fiddly for Credit Suisse and Winterthur to pool information about customers.

ECONOMIST: In the land of milk and money | The

Google, by contrast, fought the subpoena on grounds of trade secrecy and avoided revealing user data.

FORBES: Magazine Article

Again, technology is driving this enhanced due diligence capability and control of data is being wrestled from those who have benefited from secrecy.

FORBES: Emerging New Fiduciary Trends and Developments: Systems of Mass Deception vs. Systems of Enhanced Diligence (September 1, 2003)