from Crypto import Random
from Crypto.Cipher import AES

plaintext = bytes.fromhex("255044462d312e350a25d0d4c5d80a34")
IV  = bytes.fromhex("09080706050403020100A2B2C2D2E2F2")
lab_ciphertext = bytes.fromhex("d06bf9d0dab8e8ef880660d2af65aa82")
keyFile = open("possibleKeys.txt", "r")

#iterate through the possibleKeys.txt file line by line
for line in keyFile.readlines():
	#strip \n from string and store in key
	key = line.rstrip()
	key = bytes.fromhex(key)
	cipher_dc = AES.new(key, AES.MODE_CBC, IV)
	decrypted = cipher_dc.decrypt(lab_ciphertext)
## check if we've found the correct key
	if (decrypted == plaintext):
		print("KEY FOUND!!")
		print (key)
		print(str(decrypted))

keyFile.close()