public static final String STORAGE_ENDPOINT = "storage.endpoint";

    public static final String STORAGE_ACCESS_KEY = "storage.accesskey";

    public static final String STORAGE_SECRET_KEY = "storage.secretkey";

    public static final String STORAGE_BUCKET = "storage.bucket";

    public static final String MAPPING_TYPE_ARRAY = "array";

    public static final String MAPPING_TYPE_STRING = "string";

    }

    default void setStorageSecretKey(final String value) {
        setSystemProperty(Constants.STORAGE_SECRET_KEY, value);
    }

    default String getStorageSecretKey() {
        return getSystemProperty(Constants.STORAGE_SECRET_KEY, StringUtil.EMPTY);
    }

    default void setStorageBucket(final String value) {
        setSystemProperty(Constants.STORAGE_BUCKET, value);
    }

  private static final SecretKey MD5_KEY =
      new SecretKeySpec("secret key".getBytes(UTF_8), "HmacMD5");
  private static final SecretKey SHA1_KEY =
      new SecretKeySpec("secret key".getBytes(UTF_8), "HmacSHA1");
  private static final SecretKey SHA256_KEY =
      new SecretKeySpec("secret key".getBytes(UTF_8), "HmacSHA256");
  private static final SecretKey SHA512_KEY =

  private static final SecretKey MD5_KEY =
      new SecretKeySpec("secret key".getBytes(UTF_8), "HmacMD5");
  private static final SecretKey SHA1_KEY =
      new SecretKeySpec("secret key".getBytes(UTF_8), "HmacSHA1");
  private static final SecretKey SHA256_KEY =
      new SecretKeySpec("secret key".getBytes(UTF_8), "HmacSHA256");
  private static final SecretKey SHA512_KEY =

import javax.crypto.BadPaddingException;
import javax.crypto.Cipher;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.Mac;
import javax.crypto.NoSuchPaddingException;
import javax.crypto.SecretKey;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;
import javax.security.auth.kerberos.KerberosKey;

import org.bouncycastle.asn1.*;

import jcifs.pac.ASN1Util;

    public static final String LABELS_storage_access_key = "{labels.storage_access_key}";

    /** The key of the message: Secret Key */
    public static final String LABELS_storage_secret_key = "{labels.storage_secret_key}";

    /** The key of the message: Bucket */
    public static final String LABELS_storage_bucket = "{labels.storage_bucket}";

    /** The key of the message: Send TestMail */