internal ControllerResponse(coap.Response coapResponse)
{
this.Code = coapResponse.Code;
this.CodeString = coapResponse.CodeString;
this.IsCancelled = coapResponse.IsCancelled;
this.IsRejected = coapResponse.IsRejected;
this.IsTimedOut = coapResponse.IsTimedOut;
this.ResponseText = coapResponse.ResponseText;
this.StatusCode = Mapper.Map <coap.StatusCode, StatusCode>(coapResponse.StatusCode);
}
private static void KdcJoin(string[] cmds)
{
if (cmds.Length != 3)
{
Console.WriteLine("Incorrect number of parameters");
return;
}
if ((Program._CurrentOscore == null) || (Program._CurrentOscore.UserData == null) ||
!(Program._CurrentOscore.UserData is GroupData))
{
Console.WriteLine("Can't use the current OSCORE context");
return;
}
GroupData groupData = (GroupData)Program._CurrentOscore.UserData;
OneKey signKey = OneKey.GenerateKey(null, GeneralValues.KeyType_OKP, "Ed25519");
byte[] signature = Signer.Sign(groupData.SignNonce, groupData.SignInfo[0], signKey);
CBORObject join = CBORObject.NewMap();
CBORObject j2 = CBORObject.NewMap();
j2.Add(Confirmation.ConfirmationIds.COSE_Key, signKey.AsCBOR());
join.Add("type", 1);
join.Add("client_cred", j2);
join.Add("client_cred_verify", signature);
Request request = new Request(Method.POST)
{
URI = new Uri(cmds[1]),
Payload = @join.EncodeToBytes(),
ContentType = MediaType.ApplicationCbor,
OscoreContext = Program._CurrentOscore
};
request.Send();
Response response = request.WaitForResponse();
if (response == null || response.StatusCode != StatusCode.Changed)
{
Console.WriteLine("Error in the response");
return;
}
CBORObject respBody = CBORObject.DecodeFromBytes(response.Payload);
}
public static void KdcToken(string[] cmds)
{
if (cmds.Length != 7)
{
Console.WriteLine("Incorrect argument Count: KdcToken <AS> <Audience> <Scope> <OscoreKeys> <Kdc> <Store>");
return;
}
Request request = new Request(Method.POST)
{
URI = new Uri(cmds[1])
};
Oauth.Request oRequest = new Oauth.Request(Oauth.Request.GrantType_ClientToken)
{
Audience = cmds[2],
Scope = CBORObject.FromObject(cmds[3])
};
request.Payload = oRequest.EncodeToBytes();
request.ContentType = MediaType.ApplicationAceCbor;
request.OscoreContext = Program._OscoreKeys[cmds[4]];
request.Send();
Response response = request.WaitForResponse();
if (response.StatusCode != StatusCode.Created)
{
Console.WriteLine($"Error with response from the AS - Code is {response.StatusCode}");
return;
}
Oauth.Response oResponse = Oauth.Response.FromCBOR(response.Payload);
Confirmation cnf = oResponse.Confirmation;
byte[][] oscoreSalts = new byte[2][];
request = new Request(Method.POST)
{
URI = new Uri(cmds[5])
};
CBORObject kdcRequest = CBORObject.NewMap();
kdcRequest.Add(Oauth_Parameter.Access_Token.Key, oResponse.Token);
if (cnf.AsCBOR.ContainsKey(CBORObject.FromObject(Confirmation.ConfirmationIds.COSE_OSCORE)))
{
oscoreSalts[0] = SecureRandom.GetNextBytes(new SecureRandom(), 8);
kdcRequest.Add(Oauth_Parameter.CNonce.Key, CBORObject.FromObject(oscoreSalts[0]));
request.ContentFormat = MediaType.ApplicationAceCbor;
}
request.Payload = kdcRequest.EncodeToBytes();
request.Send();
response = request.WaitForResponse();
if (response.StatusCode != StatusCode.Created)
{
Console.WriteLine("Failure");
return;
}
Console.WriteLine("Successfully posted to KDC");
CBORObject cborResponse = CBORObject.DecodeFromBytes(response.Payload);
GroupData groupData = new GroupData();
if (cborResponse.ContainsKey(Oauth_Parameter.CNonce.Key))
{
groupData.ServerNonce = cborResponse[Oauth_Parameter.CNonce.Key].GetByteString();
}
if (cborResponse.ContainsKey("sign_info"))
{
groupData.SignInfo = CBORObject.DecodeFromBytes(cborResponse["sign_info"].GetByteString());
}
else
{
groupData.SignInfo = CBORObject.DecodeFromBytes(new byte[] { 0x83, 0x27, 0x06, 0x82, 0x01, 0x06 });
}
if (cborResponse.ContainsKey("pub_key_enc"))
{
groupData.PubKeyEnc = cborResponse["pub_key_enc"].GetByteString();
}
groupData.SignNonce = cborResponse["SignNonce"].GetByteString();
if (cnf.AsCBOR.ContainsKey(CBORObject.FromObject(Confirmation.ConfirmationIds.COSE_OSCORE)))
{
CBORObject oscoreContext = cnf.AsCBOR[CBORObject.FromObject(Confirmation.ConfirmationIds.COSE_OSCORE)];
byte[] salt = new byte[0];
if (oscoreContext.ContainsKey(CBORObject.FromObject(6)))
{
salt = oscoreContext[CBORObject.FromObject(CBORObject.FromObject(6))].GetByteString();
}
CBORObject alg = null;
if (oscoreContext.ContainsKey(CBORObject.FromObject(5)))
{
alg = oscoreContext[CBORObject.FromObject(5)];
}
CBORObject kdf = null;
if (oscoreContext.ContainsKey(CBORObject.FromObject(4)))
{
kdf = oscoreContext[CBORObject.FromObject(4)];
}
byte[] keyContext = null;
if (oscoreContext.ContainsKey(CBORObject.FromObject(7)))
{
keyContext = oscoreContext[CBORObject.FromObject(7)].GetByteString();
}
oscoreSalts[1] = cborResponse[Oauth_Parameter.CNonce.Key].GetByteString();
byte[] newSalt = new byte[salt.Length + oscoreSalts[0].Length + oscoreSalts[1].Length];
Array.Copy(salt, newSalt, salt.Length);
Array.Copy(oscoreSalts[0], 0, newSalt, salt.Length, oscoreSalts[0].Length);
Array.Copy(oscoreSalts[1], 0, newSalt, salt.Length + oscoreSalts[0].Length, oscoreSalts[1].Length);
SecurityContext oscoapContext = SecurityContext.DeriveContext(
oscoreContext[CBORObject.FromObject(1)].GetByteString(), keyContext,
oscoreContext[CBORObject.FromObject(2)].GetByteString(),
oscoreContext[CBORObject.FromObject(3)].GetByteString(),
newSalt, alg, kdf);
oscoapContext.UserData = groupData;
Program._OscoreKeys.Add(cmds[6], oscoapContext);
}
else if (cnf.AsCBOR.ContainsKey(CBORObject.FromObject(Confirmation.ConfirmationIds.COSE_Key)))
{
TlsKeyPair tlsKey = new TlsKeyPair(cnf.Key);
tlsKey.PrivateKey.UserData = groupData;
Program._TlsKeys.Add(cmds[5], new TlsKeyPair(cnf.Key));
}
else
{
Console.WriteLine("Don't know how to get the key");
}
}