GPG Wipe Keys from RAM on Suspend

procmem at procmem at
Sun Sep 20 01:10:44 CEST 2020

Hi. I came across a new cryptsetup feature that is supposed to protect
user data while the PC is in standby. It wipes the key from RAM when
sleep events are triggered. While it protects LUKS, other data and keys
loaded in RAM at the time are still vulnerable to forensic recovery. Can
you please consider adding a sleep key cache wipe feature to GPG?


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