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Get Started with the Linux Key Retention Service

Apr 26, 2007, 05:15 (0 Talkback[s])
(Other stories by Avinesh Kumar, Sandesh Chopdekar)

[ Thanks to Adi Lane for this link. ]

"The Linux key retention service, introduced with the Linux 2.6 kernel, is primarily intended to cache authentication data in the Linux kernel. The service can be used by remote filesystems or other kernel services to manage cryptography, authentication tokens, cross-domain user mappings, and other security concerns. It also enables the Linux kernel to access required keys rapidly, and can be used to delegate key operations such as add, update, and delete to user-space.

"This article gives you an overview of the Linux key retention service, defines its terminology, and helps you get started quickly with using Linux keys. You see how to use the Linux key retention service in a kernel module using sample code. The kernel version used in writing this article is 2.6.20..."

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