NNTPCryptography.py 文件源码

def genkeys(self, key_size=KeySize.NORMAL, password=None):
        """
        Generates a Private and Public Key set and returns them in a tuple
        (private, public)

        """

        self.private_key = rsa.generate_private_key(
            # The public exponent of the new key. Usually one of the small
            # Fermat primes 3, 5, 17, 257, 65537. If in doubt you should use
            # 65537. See http://www.daemonology.net/blog/2009-06-11-\
            #  cryptographic-right-answers.html
            public_exponent=65537,
            key_size=key_size,
            backend=default_backend()
        )

        # Generate our Public Key
        self.public_key = self.private_key.public_key()

        # Store our password; this will be used when we save our content
        # via it's searialized value later on
        self.password = password

        # Returns a (RSAPrivateKey, RSAPublicKey)
        return (self.private_key, self.public_key)