+class AttributeValue(Any):
+ pass
+
+
+class AttributeValues(SetOf):
+ schema = AttributeValue()
+
+
+class Attribute(Sequence):
+ schema = (
+ ("attrType", ObjectIdentifier()),
+ ("attrValues", AttributeValues()),
+ )
+
+
+class Attributes(SetOf):
+ schema = Attribute()
+
+
+class PublicKey(BitString):
+ pass
+
+