#!/bin/bash
# This script encrypts / decrypts input files with a hard-coded password
export key=53D2714A752F498ED0D0AA52149BB2B624F1C35F4A7997F54ECC83DE60567F7D
export iv=6B22E0637484D90F5EA38C6E4259171F

if [[ $# -lt 2 ]]; then
	echo "Usage: bash-enc.sh [-e|-d] input files"
	exit 0
fi

OPER=$1
shift

while [[ $# -gt 0 ]];
do
	case "$OPER" in
		"-e")
			openssl enc -aes-256-ctr -e -in $1 -out /dev/shm/bash-enc.tmp -K $key -iv $iv -base64
			cat /dev/shm/bash-enc.tmp > $1
			;;
		"-d")
			openssl enc -aes-256-ctr -d -in $1 -out /dev/shm/bash-enc.tmp -K $key -iv $iv -base64
			cat /dev/shm/bash-enc.tmp > $1
			;;
	esac
	shift
	rm -f /dev/shm/bash-enc.tmp
done