internal static IFreeformEntity_Msg InitKeyExchangeEndG2H_SIM(this FreeformSecurityTableCollection secTables,
IFreeformEntity_Msg request)
{
// store the partial key of the host
FFTgt_B2B_Security_KeyExchange_PartialKey tgt = request.EntityPrimaryTarget as FFTgt_B2B_Security_KeyExchange_PartialKey;
SECURITY_KEY_INDEX keyIndex = FreeformEncryptionHelper.GetSecurityKeyIndex(request);
byte[] gmuPartialKey = secTables.CreatePartialKeyGmu(keyIndex);
secTables.StoreOtherPartialKeyGmu(keyIndex, tgt.PartialKey);
secTables.CreateCommonKey(keyIndex);
// send the partial key of the gmu
IFreeformEntity_Msg response = request.CopyTo(FF_FlowDirection.G2H, new FFCreateEntityRequest_G2H_ResponseRequired()
{
MessageType = FF_AppId_G2H_MessageTypes.FreeForm,
Command = FF_AppId_G2H_Commands.ResponseRequest,
SkipTransactionId = true,
});
FFTgt_B2B_Security tgt2 = new FFTgt_B2B_Security()
{
SecurityData = new FFTgt_B2B_Security_KeyExchange_End()
{
PartialKey = gmuPartialKey,
}
};
response.AddTarget(tgt2);
return(response);
}
internal static IFreeformEntity_Msg InitKeyExchangePartialKeyH2G_GMU(this FreeformSecurityTableCollection secTables,
IFreeformEntity_Msg request)
{
SECURITY_KEY_INDEX keyIndex = FreeformEncryptionHelper.GetSecurityKeyIndex(request);
byte[] hostPartialKey = secTables.CreatePartialKeyHost(keyIndex);
IFreeformEntity_Msg message = request.CopyTo(FF_FlowDirection.H2G, new FFCreateEntityRequest_H2G_ResponseRequired()
{
PollCode = FF_AppId_H2G_PollCodes.FreeformResponse,
});
InitSecurityData(message,
new FFTgt_B2B_Security_KeyExchange_PartialKey()
{
PartialKey = hostPartialKey,
});
return(message);
}
internal static IFreeformEntity_Msg InitKeyExchangeStatusH2G_GMU(this FreeformSecurityTableCollection secTables,
IFreeformEntity_Msg request)
{
// store the partial key of the gmu
FFTgt_B2B_Security_KeyExchange_End tgt = request.EntityPrimaryTarget as FFTgt_B2B_Security_KeyExchange_End;
SECURITY_KEY_INDEX keyIndex = FreeformEncryptionHelper.GetSecurityKeyIndex(request);
secTables.StoreOtherPartialKeyHost(keyIndex, tgt.PartialKey);
secTables.CreateCommonKey(keyIndex);
IFreeformEntity_Msg message = request.CopyTo(FF_FlowDirection.H2G, new FFCreateEntityRequest_H2G_ResponseRequired()
{
PollCode = FF_AppId_H2G_PollCodes.FreeformNoResponse,
});
InitSecurityData(message,
new FFTgt_B2B_Security_KeyExchange_Status()
{
Status = (request.EntityPrimaryTarget is FFTgt_B2B_Security_PartialKey ?
FF_AppId_ResponseStatus_Types.Success :
FF_AppId_ResponseStatus_Types.Fail),
});
return(message);
}