public M2ResponseMessage(string respond)
{
respHeader.protocolVer = MsgInitValues.PROTOCOL;
respHeader.respStatus = BitConverter.GetBytes((UInt32)enStatusCodes.raErrNone);
respHeader.respType = BitConverter.GetBytes((UInt32)enMsgType.raMessage2Resp);
respHeader.msgLength = BitConverter.GetBytes((UInt32)enDefaultLength.raDefaultM2Length);
respHeader.sessionNonce = MsgInitValues.DS_ZERO_BA16;
respMsg2Body = new ResponseM2Body();
}
//Build an M2 response
public void buildM2Response(out M2ResponseMessage m2Resp)
{
string respond = Constants.Respond;
byte[] tempM2Bytes = { 0x00 };
var m2Body = new ResponseM2Body();
var m2Response = new M2ResponseMessage(respond);
//Populate message body components
m2Response.respMsg2Body.gbX = Constants.sampleGbXba;
m2Response.respMsg2Body.gbY = Constants.sampleGbYba;
m2Response.respMsg2Body.spId = SpStartup.iasConnectionMgr.SPID;
m2Response.respMsg2Body.sigLinkType = Constants.sltype;
m2Response.respMsg2Body.kdfId = Constants.kdfId;
//the m2 slReserved field is automatically initialized in the instance
m2Response.respMsg2Body.sigSpX = Constants.sigSpXba;
m2Response.respMsg2Body.sigSpY = Constants.sigSpYba;
using (RNGCryptoServiceProvider nonceGen = new RNGCryptoServiceProvider())
{
if (nonceGen == null)
{
Exception e = new Exception("Internal Error: nonceGen is Null");
options.LogThrownException(e);
throw e;
}
byte[] sessionNonce = Constants.sn2;
nonceGen.GetBytes(sessionNonce); //Generate a new nonce
m2Response.respMsg2Body.cmacsmk = sessionNonce;
m2Response.respMsg2Body.sigrlSize = MsgInitValues.DS_EMPTY_BA4;
m2Response.respMsg2Body.sigRl = null;
//Copy each reference to its output parameter
m2Resp = m2Response;
}
return;
}
public M2ResponseMessage()
{
//Constructor to populate an "empty" object
respHeader.protocolVer = MsgInitValues.DS_EMPTY_BA2;
respHeader.respStatus = BitConverter.GetBytes((UInt32)enStatusCodes.raErrUnknown);
respHeader.respType = BitConverter.GetBytes((UInt32)enMsgType.raReserved);
respHeader.msgLength = BitConverter.GetBytes((UInt32)enDefaultLength.raDefaultEmptyLength);
respHeader.sessionNonce = MsgInitValues.DS_ZERO_BA16;
respMsg2Body = new ResponseM2Body();
respMsg2Body.gbX = MsgInitValues.DS_EMPTY_BA32;
respMsg2Body.gbY = MsgInitValues.DS_EMPTY_BA32;
respMsg2Body.spId = MsgInitValues.DS_ZERO_BA16;
respMsg2Body.sigLinkType = MsgInitValues.DS_EMPTY_BA2;
respMsg2Body.kdfId = MsgInitValues.DS_EMPTY_BA2;
respMsg2Body.sigSpX = MsgInitValues.DS_EMPTY_BA32;
respMsg2Body.sigSpY = MsgInitValues.DS_EMPTY_BA32;
respMsg2Body.cmacsmk = MsgInitValues.DS_ZERO_BA16;
respMsg2Body.sigrlSize = MsgInitValues.DS_EMPTY_BA4;
respMsg2Body.sigRl = null;
}