catch ( NoSuchAlgorithmException e ) {
            throw new CIFSUnsupportedCryptoException(e);
        }
    }


    /**
     * @return SHA512 digest
     */
    public static MessageDigest getSHA512 () {
        try {
            return MessageDigest.getInstance("SHA-512");
        }
        catch ( NoSuchAlgorithmException e ) {
            throw new CIFSUnsupportedCryptoException(e);
        }
    }