2.2.5.4 A_ARG_TYPE_Authenticator

This type of element is an authenticator and is the 160-bit (20-octet) result of the HMAC-SHA-1 message authentication code [RFC2104], as specified in section 3.1.1, encoded as a base64 string.

  
     <xs:simpleType name="A_ARG_TYPE_Authenticator" >
         <xs:restriction base="xs:string"/>
     </xs:simpleType>