def set_aes_key(self, msg_e, signature):
vr = auth.verify_signature(self.secret, self.salt, msg_e, signature)
if vr:
k = qcrypt.pub_decrypt(msg_e, self.pri_key)
self.aes_key = k
self.key_agreement = True
msg = qcrypt.aes_encrypt(AES_SET_MSG, self.aes_key)
signature = auth.sign_msg(self.partner_secret_hash, msg)
self.send('confirm_aeskey', msg, signature)
print 'set aes key. key agreement reached'
else:
k = None
self.send('bad_aeskey', None)
self.key_agreement = False
print 'incorrect message signature'
self.aes_key = k
return k
def send_message(self, msg):
msg = qcrypt.aes_encrypt(msg, self.aes_key)
self.send('message', msg)