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21 lines
592 B
21 lines
592 B
11 months ago
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from Crypto.Cipher import AES
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mensajeOriginal = b"Hola, algoritmo AES"
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key = b'Clave de 16 Byte'
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print ("Original: ", mensajeOriginal)
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#cifrar
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cipher = AES.new(key, AES.MODE_EAX) #sin iv
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mensajeCifrado, tag = cipher.encrypt_and_digest(mensajeOriginal)
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print ("Cifrado: ", mensajeCifrado)
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#descifrar
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cipher = AES.new(key, AES.MODE_EAX, nonce=cipher.nonce)
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mensajeDescifrado = cipher.decrypt(mensajeCifrado)
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try:
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cipher.verify(tag)
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print("Descifrado: ", mensajeDescifrado)
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except ValueError:
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print("Clave incorrecta o mensaje corrupto")
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assert (mensajeDescifrado == mensajeDescifrado)
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