Certificates - Generate Verification Code

Service:

IoT Hub

API Version:

2023-06-30

Generate verification code for proof of possession flow.
Generates verification code for proof of possession flow. The verification code will be used to generate a leaf certificate.

POST https://management.azure.com/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Devices/IotHubs/{resourceName}/certificates/{certificateName}/generateVerificationCode?api-version=2023-06-30

URI Parameters

Name	In	Required	Type	Description
certificateName	path	True	string	The name of the certificate Regex pattern: ^[A-Za-z0-9-._]{1,64}$
resourceGroupName	path	True	string	The name of the resource group that contains the IoT hub.
resourceName	path	True	string	The name of the IoT hub.
subscriptionId	path	True	string	The subscription identifier.
api-version	query	True	string	The version of the API.

Request Header

Name	Required	Type	Description
If-Match	True	string	ETag of the Certificate.

Responses

Name	Type	Description
200 OK	CertificateWithNonceDescription	The body contains the certificate.
Other Status Codes	ErrorDetails	DefaultErrorResponse

Security

azure_auth

Azure Active Directory OAuth2 Flow

Type: oauth2
Flow: implicit
Authorization URL: https://login.microsoftonline.com/common/oauth2/authorize

Scopes

Name	Description
user_impersonation	impersonate your user account

Examples

Certificates_GenerateVerificationCode

Sample request

HTTP

POST https://management.azure.com/subscriptions/91d12660-3dec-467a-be2a-213b5544ddc0/resourceGroups/myResourceGroup/providers/Microsoft.Devices/IotHubs/testHub/certificates/cert/generateVerificationCode?api-version=2023-06-30

Java

/** Samples for Certificates GenerateVerificationCode. */
public final class Main {
    /*
     * x-ms-original-file: specification/iothub/resource-manager/Microsoft.Devices/stable/2023-06-30/examples/iothub_generateverificationcode.json
     */
    /**
     * Sample code: Certificates_GenerateVerificationCode.
     *
     * @param manager Entry point to IotHubManager.
     */
    public static void certificatesGenerateVerificationCode(com.azure.resourcemanager.iothub.IotHubManager manager) {
        manager
            .certificates()
            .generateVerificationCodeWithResponse(
                "myResourceGroup", "testHub", "cert", "AAAAAAAADGk=", com.azure.core.util.Context.NONE);
    }
}

To use the Azure SDK library in your project, see this documentation. To provide feedback on this code sample, open a GitHub issue

Python

from azure.identity import DefaultAzureCredential
from azure.mgmt.iothub import IotHubClient

"""
# PREREQUISITES
    pip install azure-identity
    pip install azure-mgmt-iothub
# USAGE
    python iothub_generateverificationcode.py

    Before run the sample, please set the values of the client ID, tenant ID and client secret
    of the AAD application as environment variables: AZURE_CLIENT_ID, AZURE_TENANT_ID,
    AZURE_CLIENT_SECRET. For more info about how to get the value, please see:
    https://docs.microsoft.com/azure/active-directory/develop/howto-create-service-principal-portal
"""


def main():
    client = IotHubClient(
        credential=DefaultAzureCredential(),
        subscription_id="91d12660-3dec-467a-be2a-213b5544ddc0",
    )

    response = client.certificates.generate_verification_code(
        resource_group_name="myResourceGroup",
        resource_name="testHub",
        certificate_name="cert",
        if_match="AAAAAAAADGk=",
    )
    print(response)


# x-ms-original-file: specification/iothub/resource-manager/Microsoft.Devices/stable/2023-06-30/examples/iothub_generateverificationcode.json
if __name__ == "__main__":
    main()

To use the Azure SDK library in your project, see this documentation. To provide feedback on this code sample, open a GitHub issue

Go

package armiothub_test

import (
	"context"
	"log"

	"github.com/Azure/azure-sdk-for-go/sdk/azidentity"
	"github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/iothub/armiothub"
)

// Generated from example definition: https://github.com/Azure/azure-rest-api-specs/blob/32c178f2467f792a322f56174be244135d2c907f/specification/iothub/resource-manager/Microsoft.Devices/stable/2023-06-30/examples/iothub_generateverificationcode.json
func ExampleCertificatesClient_GenerateVerificationCode() {
	cred, err := azidentity.NewDefaultAzureCredential(nil)
	if err != nil {
		log.Fatalf("failed to obtain a credential: %v", err)
	}
	ctx := context.Background()
	clientFactory, err := armiothub.NewClientFactory("<subscription-id>", cred, nil)
	if err != nil {
		log.Fatalf("failed to create client: %v", err)
	}
	res, err := clientFactory.NewCertificatesClient().GenerateVerificationCode(ctx, "myResourceGroup", "testHub", "cert", "AAAAAAAADGk=", nil)
	if err != nil {
		log.Fatalf("failed to finish the request: %v", err)
	}
	// You could use response here. We use blank identifier for just demo purposes.
	_ = res
	// If the HTTP response code is 200 as defined in example definition, your response structure would look as follows. Please pay attention that all the values in the output are fake values for just demo purposes.
	// res.CertificateWithNonceDescription = armiothub.CertificateWithNonceDescription{
	// 	Name: to.Ptr("cert"),
	// 	Properties: &armiothub.CertificatePropertiesWithNonce{
	// 		Created: to.Ptr(func() time.Time { t, _ := time.Parse(time.RFC1123, "2017-10-12T19:23:50.000Z"); return t}()),
	// 		Expiry: to.Ptr(func() time.Time { t, _ := time.Parse(time.RFC1123, "2039-12-31T23:59:59.000Z"); return t}()),
	// 		IsVerified: to.Ptr(false),
	// 		Subject: to.Ptr("CN=andbucdevice1"),
	// 		Thumbprint: to.Ptr("##############################"),
	// 		Updated: to.Ptr(func() time.Time { t, _ := time.Parse(time.RFC1123, "2017-10-12T19:26:56.000Z"); return t}()),
	// 		VerificationCode: to.Ptr("##################################"),
	// 	},
	// }
}

To use the Azure SDK library in your project, see this documentation. To provide feedback on this code sample, open a GitHub issue

JavaScript

const { IotHubClient } = require("@azure/arm-iothub");
const { DefaultAzureCredential } = require("@azure/identity");

/**
 * This sample demonstrates how to Generates verification code for proof of possession flow. The verification code will be used to generate a leaf certificate.
 *
 * @summary Generates verification code for proof of possession flow. The verification code will be used to generate a leaf certificate.
 * x-ms-original-file: specification/iothub/resource-manager/Microsoft.Devices/stable/2023-06-30/examples/iothub_generateverificationcode.json
 */
async function certificatesGenerateVerificationCode() {
  const subscriptionId =
    process.env["IOTHUB_SUBSCRIPTION_ID"] || "91d12660-3dec-467a-be2a-213b5544ddc0";
  const resourceGroupName = process.env["IOTHUB_RESOURCE_GROUP"] || "myResourceGroup";
  const resourceName = "testHub";
  const certificateName = "cert";
  const ifMatch = "AAAAAAAADGk=";
  const credential = new DefaultAzureCredential();
  const client = new IotHubClient(credential, subscriptionId);
  const result = await client.certificates.generateVerificationCode(
    resourceGroupName,
    resourceName,
    certificateName,
    ifMatch
  );
  console.log(result);
}

To use the Azure SDK library in your project, see this documentation. To provide feedback on this code sample, open a GitHub issue

dotnet

using Azure;
using Azure.ResourceManager;
using System;
using System.Threading.Tasks;
using Azure.Core;
using Azure.Identity;
using Azure.ResourceManager.IotHub.Models;
using Azure.ResourceManager.IotHub;

// Generated from example definition: specification/iothub/resource-manager/Microsoft.Devices/stable/2023-06-30/examples/iothub_generateverificationcode.json
// this example is just showing the usage of "Certificates_GenerateVerificationCode" operation, for the dependent resources, they will have to be created separately.

// get your azure access token, for more details of how Azure SDK get your access token, please refer to https://learn.microsoft.com/en-us/dotnet/azure/sdk/authentication?tabs=command-line
TokenCredential cred = new DefaultAzureCredential();
// authenticate your client
ArmClient client = new ArmClient(cred);

// this example assumes you already have this IotHubCertificateDescriptionResource created on azure
// for more information of creating IotHubCertificateDescriptionResource, please refer to the document of IotHubCertificateDescriptionResource
string subscriptionId = "91d12660-3dec-467a-be2a-213b5544ddc0";
string resourceGroupName = "myResourceGroup";
string resourceName = "testHub";
string certificateName = "cert";
ResourceIdentifier iotHubCertificateDescriptionResourceId = IotHubCertificateDescriptionResource.CreateResourceIdentifier(subscriptionId, resourceGroupName, resourceName, certificateName);
IotHubCertificateDescriptionResource iotHubCertificateDescription = client.GetIotHubCertificateDescriptionResource(iotHubCertificateDescriptionResourceId);

// invoke the operation
string ifMatch = "AAAAAAAADGk=";
IotHubCertificateWithNonceDescription result = await iotHubCertificateDescription.GenerateVerificationCodeAsync(ifMatch);

Console.WriteLine($"Succeeded: {result}");

To use the Azure SDK library in your project, see this documentation. To provide feedback on this code sample, open a GitHub issue

Sample response

Status code:

200

{
  "name": "cert",
  "properties": {
    "verificationCode": "##################################",
    "subject": "CN=andbucdevice1",
    "expiry": "Sat, 31 Dec 2039 23:59:59 GMT",
    "thumbprint": "##############################",
    "isVerified": false,
    "created": "Thu, 12 Oct 2017 19:23:50 GMT",
    "updated": "Thu, 12 Oct 2017 19:26:56 GMT"
  }
}

Definitions

Name	Description
CertificatePropertiesWithNonce	The description of an X509 CA Certificate including the challenge nonce issued for the Proof-Of-Possession flow.
CertificateWithNonceDescription	The X509 Certificate.
ErrorDetails	Error details.

CertificatePropertiesWithNonce

The description of an X509 CA Certificate including the challenge nonce issued for the Proof-Of-Possession flow.

Name	Type	Description
certificate	string	The certificate content
created	string	The certificate's create date and time.
expiry	string	The certificate's expiration date and time.
isVerified	boolean	Determines whether certificate has been verified.
subject	string	The certificate's subject name.
thumbprint	string	The certificate's thumbprint.
updated	string	The certificate's last update date and time.
verificationCode	string	The certificate's verification code that will be used for proof of possession.

CertificateWithNonceDescription

The X509 Certificate.

Name	Type	Description
etag	string	The entity tag.
id	string	The resource identifier.
name	string	The name of the certificate.
properties	CertificatePropertiesWithNonce	The description of an X509 CA Certificate including the challenge nonce issued for the Proof-Of-Possession flow.
type	string	The resource type.

ErrorDetails

Error details.

Name	Type	Description
code	string	The error code.
details	string	The error details.
httpStatusCode	string	The HTTP status code.
message	string	The error message.