News Tech: Google developers began working on a patch series in May to allow encrypted hibernation for Linux, which would be protected by the platform hardware itself, such as a TPM module, as well as user identification through a password or another method. A second iteration of the Linux encrypted hibernation support was released today.
The 1.5k lines of new kernel code that were affected by the encrypted hibernation “v2” patches correct a few code warnings, different user key changes, and other low-level modifications.
Security is a top priority for the Google engineers leading this encrypted hibernation work on the Chrome OS team; not only does it need to be supported by user authentication, a TPM, or other platform protection, but it also needs to prevent malicious user-space software from being able to compromise the hibernation image in order to attack the kernel once it is reloaded.
For the most recent details, check out this patch series if you’re interested in the potential of Linux encrypted hibernation.
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