TaikoPythonTools/TaikoFumenEncryptDecrypt/enc.py
2024-04-02 23:38:00 +01:00

88 lines
2.8 KiB
Python

import os
import sys
import toml
import gzip
from Crypto.Cipher import AES
from Crypto.Util.Padding import pad
def compress_file(input_file):
# Generate the output filename with .gz extension
output_file = os.path.splitext(input_file)[0] + ".gz"
# Compress the input file
with open(input_file, 'rb') as f_in, gzip.open(output_file, 'wb') as f_out:
f_out.write(f_in.read())
print(f"Compression successful. Compressed file saved as: {output_file}")
return output_file
def encrypt_file(input_file, key, iv):
# Read the compressed file
with open(input_file, 'rb') as file:
plaintext = file.read()
# Encrypt the file
cipher = AES.new(key, AES.MODE_CBC, iv)
ciphertext = cipher.encrypt(pad(plaintext, AES.block_size))
# Prepend the IV to the ciphertext
encrypted_data = iv + ciphertext
# Generate the output filename
output_file = os.path.splitext(input_file)[0] + ".encrypted.bin"
# Write the encrypted data to the output file
with open(output_file, 'wb') as file:
file.write(encrypted_data)
print(f"Encryption successful. Encrypted file saved as: {output_file}")
return output_file
def move_to_encrypted_folder(input_file, output_file):
# Create the encrypted folder if it doesn't exist
encrypted_folder = os.path.join(os.path.dirname(input_file), "encrypted")
os.makedirs(encrypted_folder, exist_ok=True)
# Generate the output filename within the encrypted folder
output_encrypted_file = os.path.join(encrypted_folder, os.path.basename(input_file))
# Move the encrypted file to the encrypted folder
os.rename(output_file, output_encrypted_file)
print(f"Encrypted file moved to folder 'encrypted'. Encrypted file saved as: {output_encrypted_file}")
def main():
# Check if there are any files dragged and dropped
if len(sys.argv) < 2:
print("Please drag and drop the files you want to re-compress and re-encrypt onto this program.")
return
# Load configuration from config.toml
config_file = "config.toml"
with open(config_file, "r") as file:
config = toml.load(file)
# Get key and IV from configuration and convert them to bytes
key_hex = config["key"]
key = bytes.fromhex(key_hex)
iv = bytes.fromhex("FF" * 16) # IV set to FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
for input_file in sys.argv[1:]:
# Compress the file
compressed_file = compress_file(input_file)
# Encrypt the compressed file
encrypted_file = encrypt_file(compressed_file, key, iv)
# Move the encrypted file to the encrypted folder
move_to_encrypted_folder(input_file, encrypted_file)
# Remove the compressed file
os.remove(compressed_file)
print(f"Removed the compressed file: {compressed_file}")
if __name__ == "__main__":
main()