code: def generate(bits, progress_func=None):
          
          signing_key = ECDSA.generate()
          key = ECDSAKey(vals=(signing_key, signing_key.get_verifying_key()))
          return key
docs: Generate a new private RSA key.  This factory function can be used to
          generate a new host key or authentication key.
  
          @param bits: number of bits the generated key should be.
          @type bits: int
          @param progress_func: an optional function to call at key points in
              key generation (used by C{pyCrypto.PublicKey}).
          @type progress_func: function
          @return: new private key
          @rtype: L{RSAKey}