byte[] temp = new byte[28 + avPairsLength + 4];

        Encdec.enc_uint32le(0x00000101, temp, 0); // Header
        Encdec.enc_uint32le(0x00000000, temp, 4); // Reserved
        Encdec.enc_uint64le(nanos1601, temp, 8);
        System.arraycopy(clientChallenge, 0, temp, 16, 8);
        Encdec.enc_uint32le(0x00000000, temp, 24); // Unknown
        if ( avPairs != null )

import jcifs.smb1.util.Hexdump;

import java.io.IOException;

abstract class AndXServerMessageBlock extends ServerMessageBlock {

    private static final int ANDX_COMMAND_OFFSET  = 1;
    private static final int ANDX_RESERVED_OFFSET = 2;
    private static final int ANDX_OFFSET_OFFSET   = 3;

    private byte andxCommand        = (byte)0xFF;
    private int andxOffset          = 0;

    ServerMessageBlock andx = null;

        }

        this.resumeKey = new byte[24];
        System.arraycopy(buffer, bufferIndex, this.resumeKey, 0, 24);
        bufferIndex += 24;

        SMBUtil.readInt4(buffer, bufferIndex); // contextLength - reserved
        bufferIndex += 4;

        return bufferIndex - start;
    }

    protected int writeBytesWireFormat ( byte[] dst, int dstIndex ) {
        int start = dstIndex;
        SMBUtil.writeInt2(24, dst, dstIndex);
        dstIndex += 2;
        dstIndex += 2; // Reserved1
        dstIndex += 4; // Reserved2

        System.arraycopy(this.fileId, 0, dst, dstIndex, 16);
        dstIndex += 16;

        return dstIndex - start;
    }


    /**
     * {@inheritDoc}
     *

        SMBUtil.writeInt4(this.maxOutputResponse, dst, dstIndex);
        dstIndex += 4;

        SMBUtil.writeInt4(this.flags, dst, dstIndex);
        dstIndex += 4;
        dstIndex += 4; // Reserved2

        if ( this.inputData != null ) {
            SMBUtil.writeInt4(dstIndex - getHeaderStart(), dst, inputOffsetOffset);
            int len = this.inputData.encode(dst, dstIndex);

    public UUID ( rpc.uuid_t uuid ) {
        this.time_low = uuid.time_low;
        this.time_mid = uuid.time_mid;
        this.time_hi_and_version = uuid.time_hi_and_version;
        this.clock_seq_hi_and_reserved = uuid.clock_seq_hi_and_reserved;
        this.clock_seq_low = uuid.clock_seq_low;
        this.node = new byte[6];
        this.node[ 0 ] = uuid.node[ 0 ];
        this.node[ 1 ] = uuid.node[ 1 ];

        SMBUtil.writeInt4(this.impersonationLevel, dst, dstIndex);
        dstIndex += 4;
        SMBUtil.writeInt8(this.smbCreateFlags, dst, dstIndex);
        dstIndex += 8;
        dstIndex += 8; // Reserved

        SMBUtil.writeInt4(this.desiredAccess, dst, dstIndex);
        dstIndex += 4;
        SMBUtil.writeInt4(this.fileAttributes, dst, dstIndex);
        dstIndex += 4;

        buf.enc_ndr_long(0); /* assoc. group */
        buf.enc_ndr_small(1); /* num context items */
        buf.enc_ndr_small(0); /* reserved */
        buf.enc_ndr_short(0); /* reserved2 */
        buf.enc_ndr_short(0); /* context id */
        buf.enc_ndr_small(1); /* number of items */
        buf.enc_ndr_small(0); /* reserved */
        this.binding.getUuid().encode(buf);
        buf.enc_ndr_short(this.binding.getMajor());

        int start = dstIndex;
        dstIndex += this.info.encode(dst, dstIndex);

        /* 6 zeros observed with NT */
        SMBUtil.writeInt8(0L, dst, dstIndex);
        dstIndex += 6;

        /*
         * Also observed 4 byte alignment but we stick
         * with the default for jCIFS which is 2
         */

        return dstIndex - start;
    }

     */
    @Override
    public int encode ( byte[] dst, int dstIndex ) {
        int start = dstIndex;
        dst[ dstIndex ] = (byte) ( this.replaceIfExists ? 1 : 0 );
        dstIndex += 8; // 7 Reserved
        dstIndex += 8; // RootDirectory = 0

        byte[] nameBytes = this.fileName.getBytes(StandardCharsets.UTF_16LE);

        SMBUtil.writeInt4(nameBytes.length, dst, dstIndex);
        dstIndex += 4;