![]() ![]() This behavior is important to understand because it means that adding a weak key into a keyslot can degrade security, even if the rest of the keyslots are well protected. ![]() This is helpful because multiple keys can be used to decrypt drive contents, and keys can be changed without re-encrypting the volume. The master key stored in a LUKS header is the final authentication factor protecting encrypted data.īy default, LUKS uses a keyslot system, where volume contents are encrypted using a master key which is protected by any key installed into a LUKS keyslot for that header. True Full Disk Encryption is not something that helps in most threat models, and it requires using separate storage to store all elements required to boot. 7.2.5 Embedding the image into the kernel. ![]()
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