openLUKS from prometheanfire

gistfile1.sh

openLUKS() {
        read -s -p "Password: " password
        local RETRY_COUNT=3
        echo ""
        while [ $RETRY_COUNT -ne 0 ]; do
                RETRY_COUNT=$(( RETRY_COUNT - 1 ))
                for disk in a b c d e f g h i j k l m n o p q r s t u v w x y z; do
                        if [ -b /dev/sd${disk}2 ]; then
                                echo -n ${password} | gpg -q -d --no-tty --passphrase-fd 0 /mnt/key/decrypt.gpg | cryptsetup -q --key-file=- luksOpen /dev/sd${disk}2 crypt${disk}2
                                STATUS=$?
                                if [ $STATUS -ne 0 ]; then
                                        echo "exit code was $STATUS"
                                        echo 'bad password'
                                        read -s -p "Password: " password
                                        break
                                else
                                        RETRY_COUNT=0
                                fi
                        else
                                echo "no disk named /dev/sd${disk}2"
                        fi
                done
        done
        unset password
        umount /mnt/key
}