[dm-crypt] Can LUKS be used on a tmpfs?

H McCurdy hmccurdy at yahoo.com
Wed Dec 23 20:05:52 CET 2015

Is it possible to get crypt_init() to use a tmpfs instead of a block device or a file?
I realize there are sanity issues related to such an inquiry because the key is in RAM and so is the "disk."  Regardless, I have the question.
BTW, an older ramdisk (/dev/ram0) does appear to work.
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