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19 lines
778 B
19 lines
778 B
11 months ago
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from Crypto.PublicKey import RSA
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from Crypto.Random import get_random_bytes
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from Crypto.Cipher import AES, PKCS1_OAEP
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data = "La criptografía a través en Python a través de <<pycryptodome>> es consistente".encode("utf-8")
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file_out = open("Datos_Encriptados.bin", "wb")
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recipient_key = RSA.import_key(open("publica_usuario_A.pem").read())
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session_key = get_random_bytes(16)
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# Encriptar la sesión con la clave pública del usuario_A
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cipher_rsa = PKCS1_OAEP.new(recipient_key)
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enc_session_key = cipher_rsa.encrypt(session_key)
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# Encriptar los datos con la sesión de AES
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cipher_aes = AES.new(session_key, AES.MODE_EAX)
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ciphertext, tag = cipher_aes.encrypt_and_digest(data)
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[ file_out.write(x) for x in (enc_session_key, cipher_aes.nonce, tag, ciphertext) ]
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file_out.close()
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