Cc: zohar@linux.vnet.ibm.com, mhalcrow@google.com, herbert@gondor.apana.org.au, pavel@ucw.cz, hch@infradead.org, lczerner@redhat.com, tytso@mit.edu, tyhicks@canonical ...

The encryption of data at rest is increasingly mandatory in a wide range of settings from mobile devices to data centers. Linux has supported encryption at both the filesystem and block-storage layers ...