Crypt/crypt.sh at master · ashanahw/Crypt · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
#!/bin/bash

#this is a script to encrypt all files in a user given directory

#handle commandline arguments

if [ $# -eq 0 ]
then
	echo "\e[31mUsage \e[39m: crypt -[E/D]"
	echo "D- Decrypt files"
	echo "E- Encrypt files"
	exit 1
fi

if [ $1 != '-E' ] && [ $1 != '-D' ]
then
	echo "Invalid argument $1"
	exit 1
fi


#read path of the directory from user
echo -n "Directory path : "
read path


#read password from user
echo -n "Password : "
stty -echo
read  pass
echo
stty echo
if [ $1 != '-D' ]
then
	echo -n "Confirm Password : "
	stty -echo
	read  pass2
	stty echo
	echo

	if [ $pass != $pass2 ]
	then
        	echo "\e[91mPassword mismatch !"
      		exit 1
	fi


else
	echo ""
fi

files="$path/*"


#loop through files in the given directory
for f in $files
do
	if [ $1 != '-D' ]
	then
       		openssl enc -aes-256-cbc -salt -in "$f" -out "$f.en" -k $pass
		echo "\e[92m$f encypted"
		rm -r  "$f"
	else
        	openssl enc -aes-256-cbc -d -in "$f" -out "$f.d" -k $pass 2> /dev/null
		if [ $? -ne 1 ]
		then
			rm -r "$f"
			rename 's/\.en\.d//' "$f.d"
			echo "\e[92m$f Decrypted !"
		else
			rm "$f.d"
			echo "\e[91mDecryption Failed !"

		fi

	fi

done