'Does this L{PublicKey} contain the same value as another L{PublicKey}?
@param otherKey: The key to compare C{self} to.
@type otherKey: L{PublicKey}
@return: L{True} if these keys match, L{False} if not.
@rtype: L{bool}'

def matches(self, otherKey):

    return (self.keyHash() == otherKey.keyHash())
