Modeled after
<xenc:EncryptedKeyType>
<element
name="DerivedKeyŌ type="xmlsec:DerivedKeyType"/>
<complexType
name="DerivedKeyType">
<sequence>
<element
name="KeyDerivationMethod"
type="xmlsec:KeyDerivationMethodType"
minOccurs="0"/>
<element
ref="xenc:ReferenceList" minOccurs="0"/>
<element
name="CarriedKeyName" type="string"
minOccurs="0"/>
</sequence>
<attribute name="Id" type="ID"
use="optional"/>
<attribute name="Type"
type="anyURI" use="optional"/>
</complexType>