To make a kernel extension key-aware, you must understand the kernel's use of keys.

要使得一个内核扩展成为可以识别键的内核扩展，您必须了解键在内核中的使用情况。

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If you make a kernel extension key-aware, you must add explicit protection gates, typically at all entry and exit points of your module.

如果您需要使内核扩展成为可识别键的内核扩展，那么您必须添加显式的保护门，通常在您的模块的所有条目和退出点处。

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To make a kernel extension key-protected, you must also define its private or semi-private data and how it USES keys to protect that data.

要使得一个内核扩展成为键保护的内核扩展，您还必须定义它的私有或者半私有数据，以及它如何使用键来保护这些数据。

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This morning, President Obama urged Congress to pass a clean extension of key transportation programs as soon as possible.

WHITEHOUSE: President Obama Tells Congress to Pass Extensions

But any extension to key parts of the private sector, according to former officials and security professionals, could be hamstringed by the government's own secrecy.

FORBES: Bush's Cyber Secrets Dilemma

Rand Paul has single-handedly stopped the extension of three key provisions of the Patriot Act until after they expire at midnight Thursday.

FORBES: Rand Paul Single-Handedly Halts Vote on PATRIOT Act Reauthorization