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How to use LUKS with a detached header

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LinuxConfig.org; By Egidio Docile 		Mail this story
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Linux Unified Key Setup (LUKS) is the de-facto standard block device encryption format used on Linux-based systems. We already discussed some of the features provided by it in a previous tutorial about using a file as a LUKS device key. When using LUKS, encryption metadata is stored on the header which is created at the beginning of the encrypted device (a copy of the header is created at end of the device for redundancy, when using LUKS2).If desired, it is possible to specify that the header should be detached from the device: in this tutorial we see how.

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