XBoot.txt

title XBoot

participantgroup #lightgreen **IoT Device**
participant Operating System
participant Application Code
participant XBoot.Client SDK
participant DPS SDK
participant IoT Hub Client SDK
end

Intermediate x.509 Cert->DPS: Create enrollment group\n & install cert
Intermediate x.509 Cert->XBoot.Server Function: Install signing certificate
Application Code->Operating System:Read local \nconfig file
Operating System-->Application Code:Retrieve settings
Application Code->XBoot.Client SDK:GetDeviceCert(RegistrationId, DN)
XBoot.Client SDK->XBoot.Client SDK:Generate RSA \nkeypair
XBoot.Client SDK->XBoot.Client SDK:Generate CSR in \nDER-encoded PKCS#10
XBoot.Client SDK->XBoot.Server Function:HTTPS POST: MAC + CSR (CSR in DER-encoded PKCS#10)
XBoot.Server Function->Authorized Devices DB: Verify RegistrationId is authorized
Authorized Devices DB-->XBoot.Server Function:
XBoot.Server Function->XBoot.Server Function: Read signing certificate \nand private key
XBoot.Server Function->XBoot.Server Function: Generate device\n certificate
linear 
XBoot.Server Function-->XBoot.Client SDK: HTTPS Response: Certificate in DER-encoded PKCS#12
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XBoot.Client SDK->XBoot.Client SDK:Combine cert and private \nkey into pfx
XBoot.Client SDK-->Application Code: Return pfx in DER-encoded byte[]
Application Code->Application Code: Save as pfx to local disk
linear
Application Code->DPS SDK: ProvisioningDeviceClient.RegisterAsync()
DPS SDK->DPS: 
DPS->IoT Hub: Register deviceId
IoT Hub-->DPS: Assigned IoT Hub
DPS-->DPS SDK: 
DPS SDK-->Application Code: Assigned IoT Hub
Application Code->IoT Hub Client SDK: DeviceClient.Create(x509)
IoT Hub Client SDK->IoT Hub: x.509 Auth
Application Code->IoT Hub Client SDK: DeviceClient.SendEventAsync()
IoT Hub Client SDK->IoT Hub: Send messages
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