docs: public static String hash(String password) {
  
          String result = null;
  
          if (password != null) {
  
              // Generate a random salt:
              String salt = Generate.salt();
  
              // Hash the password:
              byte[] hash = hash(password, salt);
  
              // Concatenate the salt and hash:
              byte[] concatenated = ArrayUtils.addAll(ByteArray.fromBase64(salt), hash);
  
              // Base-64 encode the result:
              result = ByteArray.toBase64(concatenated);
          }
  
          return result;
      }