You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
21 lines
592 B
21 lines
592 B
1 year ago
|
from Crypto.Cipher import AES
|
||
|
|
|
||
|
|
mensajeOriginal = b"Hola, algoritmo AES"
|
||
|
|
key = b'Clave de 16 Byte'
|
||
|
|
print ("Original: ", mensajeOriginal)
|
||
|
|
|
||
|
|
#cifrar
|
||
|
|
cipher = AES.new(key, AES.MODE_EAX) #sin iv
|
||
|
|
mensajeCifrado, tag = cipher.encrypt_and_digest(mensajeOriginal)
|
||
|
|
print ("Cifrado: ", mensajeCifrado)
|
||
|
|
|
||
|
|
#descifrar
|
||
|
|
cipher = AES.new(key, AES.MODE_EAX, nonce=cipher.nonce)
|
||
|
|
mensajeDescifrado = cipher.decrypt(mensajeCifrado)
|
||
|
|
try:
|
||
|
|
cipher.verify(tag)
|
||
|
|
print("Descifrado: ", mensajeDescifrado)
|
||
|
|
except ValueError:
|
||
|
|
print("Clave incorrecta o mensaje corrupto")
|
||
|
|
|
||
|
|
assert (mensajeDescifrado == mensajeDescifrado)
|