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azure-identity-java

Authenticate Java applications with Azure services using Microsoft Entra ID (Azure AD).

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Documentation

Azure Identity (Java)

Authenticate Java applications with Azure services using Microsoft Entra ID (Azure AD).

Installation

<dependency>
    <groupId>com.azure</groupId>
    <artifactId>azure-identity</artifactId>
    <version>1.15.0</version>
</dependency>

Key Concepts

CredentialUse Case
DefaultAzureCredentialRecommended - Works in dev and production
ManagedIdentityCredentialAzure-hosted apps (App Service, Functions, VMs)
EnvironmentCredentialCI/CD pipelines with env vars
ClientSecretCredentialService principals with secret
ClientCertificateCredentialService principals with certificate
AzureCliCredentialLocal dev using az login
InteractiveBrowserCredentialInteractive login flow
DeviceCodeCredentialHeadless device authentication

DefaultAzureCredential (Recommended)

The DefaultAzureCredential tries multiple authentication methods in order:

  1. Environment variables
  2. Workload Identity
  3. Managed Identity
  4. Azure CLI
  5. Azure PowerShell
  6. Azure Developer CLI
import com.azure.identity.DefaultAzureCredential;
import com.azure.identity.DefaultAzureCredentialBuilder;

// Simple usage
DefaultAzureCredential credential = new DefaultAzureCredentialBuilder().build();

// Use with any Azure client
BlobServiceClient blobClient = new BlobServiceClientBuilder()
    .endpoint("https://<storage-account>.blob.core.windows.net")
    .credential(credential)
    .buildClient();

KeyClient keyClient = new KeyClientBuilder()
    .vaultUrl("https://<vault-name>.vault.azure.net")
    .credential(credential)
    .buildClient();

Configure DefaultAzureCredential

DefaultAzureCredential credential = new DefaultAzureCredentialBuilder()
    .managedIdentityClientId("<user-assigned-identity-client-id>")  // For user-assigned MI
    .tenantId("<tenant-id>")                                        // Limit to specific tenant
    .excludeEnvironmentCredential()                                 // Skip env vars
    .excludeAzureCliCredential()                                    // Skip Azure CLI
    .build();

Managed Identity

For Azure-hosted applications (App Service, Functions, AKS, VMs).

import com.azure.identity.ManagedIdentityCredential;
import com.azure.identity.ManagedIdentityCredentialBuilder;

// System-assigned managed identity
ManagedIdentityCredential credential = new ManagedIdentityCredentialBuilder()
    .build();

// User-assigned managed identity (by client ID)
ManagedIdentityCredential credential = new ManagedIdentityCredentialBuilder()
    .clientId("<user-assigned-client-id>")
    .build();

// User-assigned managed identity (by resource ID)
ManagedIdentityCredential credential = new ManagedIdentityCredentialBuilder()
    .resourceId("/subscriptions/<sub>/resourceGroups/<rg>/providers/Microsoft.ManagedIdentity/userAssignedIdentities/<name>")
    .build();

Service Principal with Secret

import com.azure.identity.ClientSecretCredential;
import com.azure.identity.ClientSecretCredentialBuilder;

ClientSecretCredential credential = new ClientSecretCredentialBuilder()
    .tenantId("<tenant-id>")
    .clientId("<client-id>")
    .clientSecret("<client-secret>")
    .build();

Service Principal with Certificate

import com.azure.identity.ClientCertificateCredential;
import com.azure.identity.ClientCertificateCredentialBuilder;

// From PEM file
ClientCertificateCredential credential = new ClientCertificateCredentialBuilder()
    .tenantId("<tenant-id>")
    .clientId("<client-id>")
    .pemCertificate("<path-to-cert.pem>")
    .build();

// From PFX file with password
ClientCertificateCredential credential = new ClientCertificateCredentialBuilder()
    .tenantId("<tenant-id>")
    .clientId("<client-id>")
    .pfxCertificate("<path-to-cert.pfx>", "<pfx-password>")
    .build();

// Send certificate chain for SNI
ClientCertificateCredential credential = new ClientCertificateCredentialBuilder()
    .tenantId("<tenant-id>")
    .clientId("<client-id>")
    .pemCertificate("<path-to-cert.pem>")
    .sendCertificateChain(true)
    .build();

Environment Credential

Reads credentials from environment variables.

import com.azure.identity.EnvironmentCredential;
import com.azure.identity.EnvironmentCredentialBuilder;

EnvironmentCredential credential = new EnvironmentCredentialBuilder().build();

Required Environment Variables

For service principal with secret:

AZURE_TENANT_ID=<tenant-id>
AZURE_CLIENT_ID=<client-id>
AZURE_CLIENT_SECRET=<client-secret>

For service principal with certificate:

AZURE_TENANT_ID=<tenant-id>
AZURE_CLIENT_ID=<client-id>
AZURE_CLIENT_CERTIFICATE_PATH=/path/to/cert.pem
AZURE_CLIENT_CERTIFICATE_PASSWORD=<optional-password>

For username/password:

AZURE_TENANT_ID=<tenant-id>
AZURE_CLIENT_ID=<client-id>
AZURE_USERNAME=<username>
AZURE_

Use Cases

  • "Azure authentication Java", "DefaultAzureCredential Java"
  • "managed identity Java", "service principal Java"
  • "Azure login Java", "Azure credentials Java"
  • "AZURE_CLIENT_ID", "AZURE_TENANT_ID"

Quick Info

Source
antigravity
Category
Development & Code Tools
Repository
View Repo
Scraped At
Feb 12, 2026

Tags

aiworkflowkubernetesazureragcro

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