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--- chromium-os [2010/12/06 23:53] – cedric
+++ chromium-os [2010/12/06 23:57] – cedric
@@ Line 16: / Line 16: @@
     * signin keys will change offently (Google plan to use 1024-bit RSA keys which provides a good speed/performance trade-off);
+===== Partition encryption =====
+Each user is allocated one encrypted image file that can grow to fill the free space on its disk partition. The image file is stored in a directory specific to the user using a hash of the user name with a salt value. The image itself is a sparse file that is attached to the system through a loop device. Using the device mapper subsystem, a virtual, encrypting block device, dm-crypt, is layered on top of the loop device.
 //