In [1]:
#Use GCM
def enc_key(public_key, message):
pass
def dec_key(private_key, ciphertext):
pass
def enc_msg(key, iv, msg):
pass
def dec_msg(key, iv, ciphertext):
pass
In [ ]:
k1 = os.urandom(16)
iv = os.urandom(16)
msg = b"PyCon 2017 Crypto!!"
cipher = enc_msg(k1, iv, msg)
encrypted_key = enc_key(public_key, k1)
decrypted_key = dec_key(private_key, encrypted_key)
plaintext = dec_msg(decrypted_key, iv, cipher)