cryptsetup 2.7.0 adds feature to link effective volume key in custom kernel keyring during device activation. It can be used later to pass linked volume key to other services. For example: kdump enabled systems installed on LUKS2 device. This feature allows it to store volume key linked in a kernel keyring to the kdump reserved memory and reuse it to reactivate LUKS2 device in case of kernel crash.
System and Service Manager
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