The encryption principle and index structure of encryption data are developed. The encryption processing of duplicate data and algorithm exposure are analyzed.

详细阐述了其加密原理和密文索引结构，对重复性数据的加密处理和算法抗攻击性进行了分析。

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Apple's stance on these issues emerged post-Snowden, when the company started putting in place a series of technologies that, by default, make use of encryption to limit access to people's data.

苹果公司在这些问题上的立场是在斯诺登事件出现后形成的，在那之后，公司开始采用了一系列的技术，这些技术在默认情况下将使用者的数据加密，限制他人访问。

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In addition 128 bit AES encryption provides data protection and in particular can be used to rapidly erase the encryption key so the drive can be repurposed without concern about the old data being accessible.

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There's also a freshened up UI look, a Download Manager App, user-definable App Groups, encryption for data both on the device and its SD card, improvements in battery life while using WiFi and Bluetooth, and the obligatory stability fixes.

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For the moment, the researchers have got what they want, but the government has said that the amendment is a temporary measure, and will be reviewed annually to take account of progress in electronic record-keeping, anonymisation and encryption of data which might eliminate the need for identifiable information.

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