is ecryptfs. (LUKS and dm_crypt solve different problems.) Compared to
Do you trust ecryptfs?
https://defuse.ca/audits/ecryptfs.htm says "eCryptfs appears to have a better crypto design than EncFS [4], but there are some red flags indicating that it was not designed by a cryptographer, and has not received enough security review. It should be safe to use, but more auditing would be a good idea."
I can't see any security audit for dm_crypt. I see google results that suggest LUKS has been audited, but not the report. -- Brian May <brian@microcomaustralia.com.au>