10.10.10.168 / Obscurity

#!/usr/bin/bash
# 10.10.10.168 / Obscurity
# hackthebox
#
file2=`md5sum check.txt | awk '{ print $1 }'`
for i in `cat passlist`; do
python3 crypt.py -i out.txt -o e.txt -k $i -d
echo "Cracking the key..."
file1=`md5sum e.txt | awk '{ print $1 }'`
if [ "$file1" = "$file2" ]
then
    echo "[+] md5sum matched."
    echo "The key is: " $i
    exit 0
else
    continue
fi
done