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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:

def _update_aes(self):
        '''
        Check to see if a fresh AES key is available and update the components
        of the worker
        '''
        if salt.master.SMaster.secrets['aes']['secret'].value != self.crypticle.key_string:
            self.crypticle = salt.crypt.Crypticle(self.opts, salt.master.SMaster.secrets['aes']['secret'].value)
            return True
        return False