ASN.1 type AuthAttributes is defined as follows:

    AuthAttributes ::= SET SIZE(1..MAX) OF Attribute

    Attribute ::= SEQUENCE {
       attrType   ATTRIBUTE.&id({Authenticated}),
       atrValues  SET SIZE(0..MAX) OF ATTRIBUTE.&Type({Authenticated})

    }
	
    Authenticated ATTRIBUTE ::={

       ...  -- Expect additional authenticated attribute objects --
    }