percUtil       MetricName = "perc_util"
	usedInodes     MetricName = "used_inodes"

	// network stats
	interfaceRxBytes  MetricName = "rx_bytes"
	interfaceRxErrors MetricName = "rx_errors"
	interfaceTxBytes  MetricName = "tx_bytes"
	interfaceTxErrors MetricName = "tx_errors"

	// cpu stats
	cpuUser       MetricName = "user"
	cpuSystem     MetricName = "system"
	cpuIOWait     MetricName = "iowait"

    private static final byte[] SIGNCONTEXT_300 = toCBytes("SmbSign");
    private static final byte[] SIGNLABEL_300 = toCBytes("SMB2AESCMAC");
    private static final byte[] SIGNLABEL_311 = toCBytes("SMBSigningKey");

    private static final byte[] APPCONTEXT_300 = toCBytes("SmbRpc");
    private static final byte[] APPLABEL_300 = toCBytes("SMB2APP");
    private static final byte[] APPLABEL_311 = toCBytes("SMBAppKey");

     */
    private static byte[] buildPacket(byte[] header, byte[] body, Integer ctxOffsetFromHeader, byte[] ctxBytes) {
        int totalLen;
        if (ctxOffsetFromHeader != null && ctxBytes != null) {
            totalLen = Math.max(SMB2_HEADER_LENGTH + body.length, ctxOffsetFromHeader + ctxBytes.length);
        } else {
            totalLen = SMB2_HEADER_LENGTH + body.length;
        }

}

// ToTimestamp returns the timestamp value if present.
func (v Value) ToTimestamp() (t time.Time, ok bool) {
	t, ok = v.value.(time.Time)
	return t, ok
}

// ToBytes returns the value if byte-slice.
func (v Value) ToBytes() (val []byte, ok bool) {
	val, ok = v.value.([]byte)
	return val, ok
}

// ToArray returns the value if it is a slice of values.
func (v Value) ToArray() (val []Value, ok bool) {

        assertNotEquals(guid1, guid2);
        assertEquals(16, guid1.toBytes().length);
        assertEquals(16, guid2.toBytes().length);
    }

    @Test
    public void testHandleGuidRoundTrip() {
        HandleGuid original = new HandleGuid();
        byte[] bytes = original.toBytes();
        HandleGuid reconstructed = new HandleGuid(bytes);

        assertEquals(original, reconstructed);

    byte[] tenBytes = new byte[10];
    assertThrows(IndexOutOfBoundsException.class, () -> nos.write(tenBytes, -1, 1));
    assertThrows(IndexOutOfBoundsException.class, () -> nos.write(tenBytes, 1, -1));
    assertThrows(IndexOutOfBoundsException.class, () -> nos.write(tenBytes, 9, 2));
    assertThrows(IndexOutOfBoundsException.class, () -> nos.write(tenBytes, 9, 100));
  }

// The plaintext must not exceed 1 MB
func (c *kesConn) EncryptKey(keyID string, plaintext []byte, ctx Context) ([]byte, error) {
	ctxBytes, err := ctx.MarshalText()
	if err != nil {
		return nil, err
	}
	return c.client.Encrypt(context.Background(), keyID, plaintext, ctxBytes)
}

// DecryptKey decrypts the ciphertext with the key at the KES
// server referenced by the key ID. The context must match the

	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}
	tgtBytes, err := json.Marshal(&targets)
	if err != nil {
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErrWithErr(ErrAdminConfigBadJSON, err), r.URL)
		return
	}
	if _, err = globalBucketMetadataSys.Update(ctx, bucket, bucketTargetsFile, tgtBytes); err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

        dstIndex += 4;

        SMBUtil.writeInt8(0, dst, dstIndex); // Reserved (8 bytes)
        dstIndex += 8;

        System.arraycopy(createGuid.toBytes(), 0, dst, dstIndex, 16); // CreateGuid (16 bytes)
        dstIndex += 16;

        return dstIndex - start;
    }

    }

    /**
     * Convert the GUID to byte array for wire format (little-endian as per MS-SMB2)
     * @return 16-byte array representing the GUID in SMB wire format
     */
    public byte[] toBytes() {
        byte[] result = new byte[16];
        ByteBuffer bb = ByteBuffer.wrap(result).order(java.nio.ByteOrder.LITTLE_ENDIAN);

        long mostSig = guid.getMostSignificantBits();