Files

21 lines
402 B
Python

from Crypto.Cipher import AES
from Crypto.Util.Padding import unpad
# Read Key
with open('key', 'rb') as f:
aes_key = f.read()
cipher = AES.new(aes_key, AES.MODE_CBC, iv=b'0'*16)
# Read message and decrypt
with open('ctext', 'rb') as f:
ciphertext = f.read()
print(f'Ciphertext: {ciphertext}')
plaintext = unpad(cipher.decrypt(ciphertext), 16).decode()
print(f'Plaintext: {plaintext}')