(self, msg, key, sig)
Verifies that the specified digital signature is valid
        for the specified message and key values.
Verifies that the specified digital signature is valid
        for the specified message and key values.
Verifies that the specified digital signature is valid for the specified message and key values .
def verify(self, msg, key, sig):
        """
        Verifies that the specified digital signature is valid
        for the specified message and key values.
        """
        raise NotImplementedError
def verify ( self , msg , key , sig ) : raise NotImplementedError