Be careful when using environment to store sensitive info (keys, etc) - they are visible to other processes of the same user and also can be sent as part of cra

Be careful when using environment to store sensitive info (keys, etc) - they are visible to other processes of the same user and also can be sent as part of crash report. See http://security.stackexchange.com/q/49725 http://security.stackexchange.com/q/49725