/// <summary>
/// Creates a signed MTB with one participant object.
/// Participant object is expected to be serialized to JSON-array;
/// [{participantTicketObject-1}, {participantTicketObject-2}, ... ]
/// </summary>
/// <param name="jsonString">Participant object serialized to JSON</param>
/// <param name="participantId">Participant id (PID) for Ticket Bundle map</param>
/// <returns>Signed MTB as byte[]</returns>
public byte[] CreateSigned(string jsonString, string participantId)
{
var participantObject = new ParticipantObject(jsonString);
var ticketBundle = new TicketBundle();
ticketBundle.ParticipantObjects.Add(participantId, participantObject);
var unSignedBundle = new IssuerSignedTicketBundle(ticketBundle);
var mtbContainer = new MtbContainer(unSignedBundle);
// Sign
var signedMtb = _service.Sign(mtbContainer);
return signedMtb.GetBytes();
}
public void Sign_Creates_a_MTB_with_valid_signature()
{
var ticketBundle = new TicketBundle();
var issuerTicketBundle = new IssuerSignedTicketBundle(ticketBundle);
var mtb = new MtbContainer(issuerTicketBundle);
var signed = service.Sign(mtb);
var signedBundle = signed.IssuerSignedTicketBundle;
var validationResult = service.Verify(mtb);
Assert.That(signedBundle.Signature, Is.Not.Null);
Assert.That(validationResult, Is.True);
}
public void SetUp()
{
keyRepo = new TestKeyRepository();
service = new SignatureService(keyRepo);
// Create a bundle
var signatureHeader = new IssuerSignatureHeader(header);
var ticketBundle = new TicketBundle(payload);
issuerSignedTicketBundle = new IssuerSignedTicketBundle(ticketBundle);
issuerSignedTicketBundle.Header = signatureHeader;
issuerSignedTicketBundle.Signature = signature;
}
public void Sign_Creates_a_MTB_with_valid_header()
{
var ticketBundle = new TicketBundle();
var issuerTicketBundle = new IssuerSignedTicketBundle(ticketBundle);
var mtb = new MtbContainer(issuerTicketBundle);
var signed = service.Sign(mtb);
var signedBundle = signed.IssuerSignedTicketBundle;
Assert.That(signedBundle.Header, Is.Not.Null);
Assert.That(signedBundle.Header.alg, Is.EqualTo(SignatureAlgorithm.ES256));
Assert.That(signedBundle.Header.iid, Is.EqualTo(keyRepo.SigningIssuerId));
Assert.That(signedBundle.Header.kid, Is.EqualTo(keyRepo.SigningKeyId));
}
private void Parse(byte[] bytes)
{
CBORObject cborObject;
try
{
cborObject = CBORObject.DecodeFromBytes(bytes);
}
catch
{
throw new ArgumentException("Could not parse IssuerSignedTicketBundle. Byte array could not be decoded to CBOR Object");
}
if (cborObject.Type == CBORType.Array)
{
var byteStringList = cborObject.ConvertToList();
if (byteStringList.Count != 3)
throw new ArgumentException($"Could not parse IssuerSignedTicketBundle. Unexpected length of array: {byteStringList.Count}, expected 3.");
Header = new IssuerSignatureHeader(byteStringList.ElementAt(0).GetByteString());
TicketBundle = new TicketBundle(byteStringList.ElementAt(1).GetByteString());
Signature = byteStringList.ElementAt(2).GetByteString();
}
}
public IssuerSignedTicketBundle(TicketBundle ticketBundle)
{
TicketBundle = ticketBundle;
}