public class PreauthIntegrityNegotiateContext implements NegotiateContextRequest, NegotiateContextResponse {

    /**
     * Context type
     */
    public static final int NEGO_CTX_PREAUTH_TYPE = 0x1;

    /**
     * SHA-512
     */
    public static final int HASH_ALGO_SHA512 = 0x1;

    private int[] hashAlgos;
    private byte[] salt;


    /**
     * 
     * @param config
     * @param hashAlgos

        }
    }


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


    /**
     * 
     * @param key
     * @return HMACT64 MAC