enctool-csv.sh

#!/bin/bash

# Enctool is a script for encrypting or decrypting a group of specific files using openssl

# Usage
# $ enctool.sh {ACTION} {PASSWORD}

# Requires a file in CSV format called "enctool.csv" among the target files
# For each row: the first column is the original filename and the second column is the encrypted filename
# The columns must be separated by a tab character

ACTION="$1"
PASSWD="$2"

CSV="enctool.csv"
CSV_LINES=$(cat $CSV|wc -l)
INDEX=0

while [ $INDEX -lt $CSV_LINES ]
do
	LN=$((INDEX + 1))
	PAIR="$(cat $CSV|head -n $LN|tail -n 1)"
	OFILE=$(printf "$PAIR"|cut -f 1)
	EFILE=$(printf "$PAIR"|cut -f 2)

	echo "- orig: $OFILE"
	echo "  encr: $EFILE"

	if [[ "$ACTION" == "enc" ]]
	then
		if [ -e "$OFILE" ]
		then
			openssl enc -aes-256-cbc -e -in "$OFILE" -out "$EFILE" -k "$PASSWD" -pbkdf2
			if [ $? -eq 0 ]
			then
				rm "$OFILE"
			fi
		fi
	fi
	if [[ "$ACTION" == "dec" ]]
	then
		if [ -e "$EFILE" ]
		then
			openssl enc -aes-256-cbc -d -in "$EFILE" -out "$OFILE" -k "$PASSWD" -pbkdf2
			if [ $? -eq 0 ]
			then
				rm "$EFILE"
			fi
		fi
	fi
	INDEX=$((INDEX + 1))
done

enctool-lst.sh

#!/bin/bash

# This variant of enctool uses a simple filename listing, rather than a CSV, but it does the same job

# Usage
# $ enctool.sh {PREFIX} {ACTION} {PASSWORD}
# PREFIX = name of the list or group of files
# ACTION = Encrypt (enc) / Decrypt (dec)
# PASSWORD = Password for encrypting or decrypting

# Required file: "enctool.PREFIX.lst"
# PREFIX = custom filename prefix for the encrypted files
# The contents of the file is a simple list of filenames

PREFIX="$1"
ACTION="$2"
PASSWD="$3"

LST="enctool.""$PREFIX"".lst"
LST_LINES=$(cat $LST|wc -l)

INDEX=0

while [ $INDEX -lt $LST_LINES ]
do

	LN=$((INDEX + 1))
	OFILE="$(cat $LST|head -n $LN|tail -n 1)"
	EFILE="$PREFIX"".""$LN"".bin"

	echo "- orig: $OFILE"
	echo "  encr: $EFILE"

	if [[ "$ACTION" == "enc" ]]
	then
		if [ -e "$OFILE" ]
		then
			openssl enc -aes-256-cbc -e -in "$OFILE" -out "$EFILE" -k "$PASSWD" -pbkdf2
			if [ $? -eq 0 ]
			then
				rm "$OFILE"
			fi
		fi
	fi

	if [[ "$ACTION" == "dec" ]]
	then
		if [ -e "$EFILE" ]
		then
			openssl enc -aes-256-cbc -d -in "$EFILE" -out "$OFILE" -k "$PASSWD" -pbkdf2
			if [ $? -eq 0 ]
			then
				rm "$EFILE"
			fi
		fi
	fi

	INDEX=$((INDEX + 1))

done