</ResponseMetadata>
</AssumeRoleWithCertificateResponse>
```

## Authentication Flow

A client can request temp. S3 credentials via the STS API. It can authenticate via a client certificate and obtain a access/secret key pair as well as a session token. These credentials are associated to an S3 policy at the MinIO server.

        this.keyStorePassword = keyStorePassword != null ? keyStorePassword.clone() : null;
    }

    /**
     * Store a session key
     *
     * @param sessionId unique session identifier
     * @param key the secret key to store
     * @param algorithm the key algorithm (e.g., "AES")
     */
    public void storeSessionKey(String sessionId, byte[] key, String algorithm) {
        checkNotClosed();

    /**
     * Creates a new S3StorageClient instance.
     *
     * @param endpoint the S3 endpoint URL (null for AWS default)
     * @param accessKey the AWS access key
     * @param secretKey the AWS secret key
     * @param bucket the bucket name
     * @param region the AWS region
     */
    public S3StorageClient(final String endpoint, final String accessKey, final String secretKey, final String bucket,

  cancel-in-progress: false

env:
  # Set the DEVELOCITY_ACCESS_KEY so that a Build Scan is generated
  DEVELOCITY_ACCESS_KEY: ${{ secrets.DEVELOCITY_ACCESS_KEY }}
  # Enable debug for the `gradle-build-action` cache operations
  GRADLE_BUILD_ACTION_CACHE_DEBUG_ENABLED: true

permissions: {}

jobs:
  build:
    name: "Compile All"

}

func newWarmBackendMinIO(conf madmin.TierMinIO, tier string) (*warmBackendMinIO, error) {
	// Validation of credentials
	if conf.AccessKey == "" || conf.SecretKey == "" {
		return nil, errors.New("both access and secret keys are required")
	}

	if conf.Bucket == "" {
		return nil, errors.New("no bucket name was provided")
	}

	u, err := url.Parse(conf.Endpoint)
	if err != nil {
		return nil, err
	}

```
cat ${HADOOP_CONF_DIR}/core-site.xml | kv-pairify | grep "s3a"

fs.s3a.access.key=minio
fs.s3a.secret.key=minio123
fs.s3a.path.style.access=true
fs.s3a.block.size=512M
fs.s3a.buffer.dir=${hadoop.tmp.dir}/s3a
fs.s3a.committer.magic.enabled=false
fs.s3a.committer.name=directory

labels.notification_login=Página de inicio de sesión
labels.notification_search_top=Página superior de búsqueda
labels.storage_endpoint=Punto final
labels.storage_access_key=Clave de acceso
labels.storage_secret_key=Clave secreta
labels.storage_bucket=Cubo
labels.storage_type=Tipo
labels.storage_type_auto=Automático
labels.storage_type_s3=S3
labels.storage_type_gcs=GCS
labels.storage_region=Región

if [ "${expected_checksum}" != "${got_checksum}" ]; then
	echo "BUG: decommission failed on encrypted objects: expected ${expected_checksum} got ${got_checksum}"
	exit 1
fi

./s3-check-md5 -versions -access-key minioadmin -secret-key minioadmin -endpoint http://127.0.0.1:9001/ -bucket versioned

 *   <li>Call {@link #clearCredentials()} after authentication is complete to clear sensitive data from memory</li>
 *   <li>Avoid logging instances of this class as it may expose credentials</li>
 *   <li>Consider using external secret management systems for credential storage in production</li>
 * </ul>
 *
 * @author shinsuke
 */
public class FtpAuthentication {
    private static final Logger logger = LogManager.getLogger(FtpAuthentication.class);

<img src="/img/tutorial/security/image07.png">

Авторизуйте застосунок так само, як раніше.

Використайте облікові дані:

Username: `johndoe`
Password: `secret`

/// check | Перевірте

Зверніть увагу, що ніде в коді немає відкритого пароля "`secret`", ми маємо лише хешовану версію.

///

<img src="/img/tutorial/security/image08.png">

Викличте кінцеву точку `/users/me/`, ви отримаєте відповідь: