[dm-crypt] Where is the entered password stored?

Jian-Ming Zheng jmzheng at gmail.com
Mon Dec 8 13:06:14 CET 2014


When I attach a hard disk with LUKS encrypted partition to a Linux
machine, a window will pop up and a password or passphrase is required
to unlock the encrypted partition. In addition to forget passphrase
immediately, I can choose to 1) remember passphrase until I logout or
2) remember forever. I am curious about where the entered passphrase
is kept in the two cases?


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