public string DamRequestAuthKey(string jsonFile)
{
LogManager.DoLogOperation("[DAM Server] Receive Request to get PICCDAMAuthKey");
DamRestCommand.JsonDamAuthKey test = DamRestCommand.LoadJson_DamAuthKey(jsonFile);
LogManager.DoLogOperation("[SERVER] Retrieve Diversified key from " + BinConvert.ToHex(test.uid));
byte[] AesKeyDiversified = new byte[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
/* le propriétaire connait sa clef racine utilisée pour sa diversification de clef */
byte[] AesKeyRootDiversified = new byte[] { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15 };
DueInfo.Diversification.Diversification_AES128(AesKeyRootDiversified, test.uid, test.uid.Length, ref AesKeyDiversified);
LogManager.DoLogOperation("[SERVER] Diversified key is " + BinConvert.ToHex(AesKeyDiversified));
/* format json response */
JObject result = new JObject();
JProperty d = new JProperty("Result", "ok");
result.Add(d);
JProperty a = new JProperty("uid", Converters.ByteArrayToSimpleHexString(test.uid));
result.Add(a);
JProperty b = new JProperty("damauthkey", Converters.ByteArrayToSimpleHexString(AesKeyDiversified));
result.Add(b);
/* le propriétaire connait le numéro de version de sa clef */
/*string version = "00";
* JProperty c = new JProperty("damauthkeyversion", version);
* result.Add(c); */
return(JsonConvert.SerializeObject(result, Formatting.Indented));
}
public void PostDamRequestAuthKey(HttpListenerContext context)
{
LogManager.DoLogOperation("POST /dam_request_auth_key");
DamRestResponse errorResponse;
string jsonFile = DamRestCommand.GetFileFromRequest(context.Request, out errorResponse);
if (jsonFile == null)
{
errorResponse = DamRestController.DamRestResponse.Error("File not found");
SendResponse(context, errorResponse);
return;
}
string response = DamIssuer.service.DamRequestAuthKey(jsonFile);
if (response == null)
{
SendResponseError(context, HttpCode.Device_error);
}
else
{
SendResponse(context, response);
}
}
public string DamRequestCreate(string jsonFile)
{
LogManager.DoLogOperation("[DAM Server] Receive Request to create DAM");
DamRestCommand.JsonDamCreate test = DamRestCommand.LoadJson_DamCreate(jsonFile);
/* format json response */
JObject result = new JObject();
JProperty a;
JProperty b;
JProperty c;
/*Calculate EncK*/
byte[] EncK = DamCrypto.EncK(test.damauthkey, test.damdefaultkey, test.damdefaultkeyversion);
/* secret dammac key */
byte[] DAMMACKey = new byte[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
uint iAid = 0x000000;
if (test.aid.Length != 3)
{
a = new JProperty("Enk", Converters.ByteArrayToSimpleHexString(EncK));
result.Add(a);
b = new JProperty("DAMMAC", Converters.ByteArrayToSimpleHexString(EncK));
result.Add(b);
c = new JProperty("status", "aid error");
result.Add(c);
return(JsonConvert.SerializeObject(result, Formatting.Indented));
}
iAid = test.aid[2];
iAid += (uint)(test.aid[1] << 8);
iAid += (uint)(test.aid[0] << 16);
/* Calculate DAMMAC */
byte[] dammac = DamCrypto.DAMMAC(
DAMMACKey,
DF_CREATE_DELEGATED_APPLICATION,
iAid, test.damslotno, test.damslotversion, test.quotalimit, test.key_setting1, test.key_setting2,
test.key_setting3, test.aksversion, test.nokeyset, test.maxkeysize, test.rollkey,
test.iso_df_id, test.iso_df_name,
EncK);
c = new JProperty("Result", "ok");
result.Add(c);
/* le proprietaire connait les valeurs en fonction de sa base de données */
/* les valeurs correspondent au DAMMAC crée */
c = new JProperty("damslotno", "0");
result.Add(c);
c = new JProperty("damslotversion", "FF");
result.Add(c);
c = new JProperty("quotalimit", "10");
result.Add(c);
a = new JProperty("Enck", Converters.ByteArrayToSimpleHexString(EncK));
result.Add(a);
b = new JProperty("DAMMAC", Converters.ByteArrayToSimpleHexString(dammac));
result.Add(b);
return(JsonConvert.SerializeObject(result, Formatting.Indented));
}