#NEWLINE# def test_sign_verify( self ) : #NEWLINE# #INDENT# message = 'foo' #NEWLINE# signature = self . private_key . sign ( message ) #NEWLINE# self . assertTrue ( self . public_key . verify_signature ( signature , message ) ) #NEWLINE# self . assertFalse ( self . public_key . verify_signature ( signature , 'test' ) )