/**
     * Returns the algorithm.
     *
     * @return the algorithm
     */
    public String getAlgorithm() {
        return algorithm;
    }

    /**
     * Sets the algorithm.
     *
     * @param algorithm
     *            the algorithm
     */
    public void setAlgorithm(final String algorithm) {
        this.algorithm = algorithm;
    }

    /**

      } catch (CloneNotSupportedException e) {
        // falls through
      }
    }
    return new MessageDigestHasher(getMessageDigest(prototype.getAlgorithm()), bytes);
  }

  private static final class SerializedForm implements Serializable {
    private final String algorithmName;
    private final int bytes;
    private final String toString;

      } catch (CloneNotSupportedException e) {
        // falls through
      }
    }
    return new MessageDigestHasher(getMessageDigest(prototype.getAlgorithm()), bytes);
  }

  private static final class SerializedForm implements Serializable {
    private final String algorithmName;
    private final int bytes;
    private final String toString;

  }

  private static String hmacToString(String methodName, Key key) {
    return "Hashing."
        + methodName
        + "(Key[algorithm="
        + key.getAlgorithm()
        + ", format="
        + key.getFormat()
        + "])";
  }

  /**
   * Returns a hash function implementing the CRC32C checksum algorithm (32 hash bits) as described