openssl aes-256-cbc -a -salt -in privateKey.txt -out privateKey.aes It's that simple to do cold storage. Do it from an offline live CD boot, save the file to U

openssl aes-256-cbc -a -salt -in privateKey.txt -out privateKey.aes It's that simple to do cold storage. Do it from an offline live CD boot, save the file to USB, and print it on a piece of paper just to be safe. So much confusion around something which is essentially protecting a string of text.