*/

    public SmbFileOutputStream( SmbFile file, boolean append ) throws SmbException, MalformedURLException, UnknownHostException {
        this( file, append, append ? SmbFile.O_CREAT | SmbFile.O_WRONLY | SmbFile.O_APPEND :
                                    SmbFile.O_CREAT | SmbFile.O_WRONLY | SmbFile.O_TRUNC );
    }
/**
 * Creates an {@link java.io.OutputStream} for writing bytes to a file

    public SmbFileOutputStream ( SmbFile file, boolean append ) throws SmbException {
        this(
            file,
            append,
            append ? SmbConstants.O_CREAT | SmbConstants.O_WRONLY | SmbConstants.O_APPEND
                    : SmbConstants.O_CREAT | SmbConstants.O_WRONLY | SmbConstants.O_TRUNC,
            0,
            SmbConstants.DEFAULT_SHARING);
    }

    static final int O_WRONLY = 0x02;
    static final int O_RDWR = 0x03;
    static final int O_APPEND = 0x04;

    // Open Function Encoding
    // create if the file does not exist
    static final int O_CREAT = 0x0010;
    // fail if the file exists
    static final int O_EXCL = 0x0020;
    // truncate if the file exists
    static final int O_TRUNC = 0x0040;

 * @author mbechler
 *
 */
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

        this.access = (openFlags >>> 16) & 0xFFFF;
        if (file.type != SmbFile.TYPE_NAMED_PIPE) {
            file.open( openFlags, access, SmbFile.ATTR_NORMAL, 0 );
            this.openFlags &= ~(SmbFile.O_CREAT | SmbFile.O_TRUNC);
        } else {
            file.connect0();
        }
        readSize = Math.min( file.tree.session.transport.rcv_buf_size - 70,

            this.smb2 = th.isSMB2();
            if ( file.getType() != SmbConstants.TYPE_NAMED_PIPE ) {
                try ( SmbFileHandle h = ensureOpen() ) {}
                this.openFlags &= ~ ( SmbConstants.O_CREAT | SmbConstants.O_TRUNC );
            }

            init(th);
        }
        catch ( CIFSException e ) {
            throw SmbException.wrap(e);
        }
    }


    /**

		ACB_NOT_DELEGATED          = 0x00004000, /* 1 = Not delegated */
		ACB_USE_DES_KEY_ONLY       = 0x00008000, /* 1 = Use DES key only */
		ACB_DONT_REQUIRE_PREAUTH   = 0x00010000  /* 1 = Preauth not required */
	} SamrAcctFlags;

	[op(0x01)]
	int SamrCloseHandle([in] policy_handle *handle);

	[op(0x39)]
	int SamrConnect2([in,string,unique] wchar_t *system_name,

            if(( flags & SmbFile.O_CREAT ) == SmbFile.O_CREAT ) {
                // create it if necessary
                openFunction = OPEN_FN_TRUNC | OPEN_FN_CREATE;
            } else {
                openFunction = OPEN_FN_TRUNC;
            }
        } else {
            // don't truncate the file
            if(( flags & SmbFile.O_CREAT ) == SmbFile.O_CREAT ) {
                // create it if necessary

            if(( flags & SmbFile.O_CREAT ) == SmbFile.O_CREAT ) {
                // create it if necessary
                createDisposition = FILE_OVERWRITE_IF;
            } else {
                createDisposition = FILE_OVERWRITE;
            }
        } else {
            // don't truncate the file
            if(( flags & SmbFile.O_CREAT ) == SmbFile.O_CREAT ) {
                // create it if necessary

     */
    static SmbFileHandleImpl openCopyTargetFile ( SmbFile dest, int attrs, boolean alsoRead ) throws CIFSException {
        try {
            return dest.openUnshared(
                SmbConstants.O_CREAT | SmbConstants.O_WRONLY | SmbConstants.O_TRUNC,
                SmbConstants.FILE_WRITE_DATA | SmbConstants.FILE_WRITE_ATTRIBUTES | ( alsoRead ? SmbConstants.FILE_READ_DATA : 0 ),
                SmbConstants.FILE_NO_SHARE,