class VaultoroDigest extends BaseParamsDigest {

  private VaultoroDigest(String secretKeyBase64) {

    super(secretKeyBase64, HMAC_SHA_256);
  }

  public static VaultoroDigest createInstance(String secretKeyBase64) {

    return secretKeyBase64 == null ? null : new VaultoroDigest(secretKeyBase64);
  }

  @Override
  public String digestParams(RestInvocation restInvocation) {<FILL_FUNCTION_BODY>}
}


    String invocationUrl = restInvocation.getInvocationUrl();
    Mac mac = getMac();
    mac.update(invocationUrl.getBytes());

    return String.format("%040x", new BigInteger(1, mac.doFinal()));
  
<methods>public javax.crypto.Mac getMac() <variables>public static final java.lang.String HMAC_MD5,public static final java.lang.String HMAC_SHA_1,public static final java.lang.String HMAC_SHA_256,public static final java.lang.String HMAC_SHA_384,public static final java.lang.String HMAC_SHA_512,private final non-sealed javax.crypto.Mac mac