tdf:EncryptionInformation

Top level element for holding information related to the encryption of an assertion or payload. Multiple child KeyAccess and/or EncryptionMethod elements represent onion or layered encryption. In this case, the first child represents the outermost layer of encryption.

Element information

Namespace: urn:us:gov:ic:tdf

Schema document: IC-TDF/IC-TDF.xsd

Type: Anonymous

Properties: Local, Qualified

Content

Choice [1..*]
- Sequence [1..1]
  1. tdf:KeyAccess [1..1] Contains information pertaining to the key for which the application value(s) was/were encrypted and/or that is necessary for decryption.
  2. tdf:EncryptionMethod [1..1] Contains information pertaining to the methods for which the applicable value(s) was/were encrypted. (i.e. SHA256)

Attributes

None

Used in

Group tdf:EncryptionInformationGroup
Type tdf:AssertionType via reference to tdf:EncryptionInformationGroup (Element tdf:Assertion)
Type tdf:TdoType via reference to tdf:EncryptionInformationGroup (Element tdf:TrustedDataObject)

Sample instance

<tdf:EncryptionInformation>
   <tdf:KeyAccess>
      <tdf:AttachedKey>
         <tdf:KeyValue>Jk6Jmdo7FwnbuIk/vHkjxQ==</tdf:KeyValue>
      </tdf:AttachedKey>
   </tdf:KeyAccess>
   <tdf:EncryptionMethod tdf:algorithm="AES">
      <tdf:KeySize>16</tdf:KeySize>
   </tdf:EncryptionMethod>
</tdf:EncryptionInformation>