Source code: mindbright/ssh/SSHDataOutputStream.java
1 /******************************************************************************
2 *
3 * Copyright (c) 1998,99 by Mindbright Technology AB, Stockholm, Sweden.
4 * www.mindbright.se, info@mindbright.se
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 *****************************************************************************
17 * $Author: nallen $
18 * $Date: 2001/11/12 16:31:18 $
19 * $Name: $
20 *****************************************************************************/
21 package mindbright.ssh;
22
23 import java.io.*;
24 import java.math.BigInteger;
25
26 public class SSHDataOutputStream extends DataOutputStream {
27
28 SSHDataOutputStream(OutputStream out) {
29 super(out);
30 }
31
32 public void writeBigInteger(BigInteger bi) throws IOException {
33 short bytes = (short)((bi.bitLength() + 7) / 8);
34 byte[] raw = bi.toByteArray();
35 writeShort(bi.bitLength());
36 if(raw[0] == 0)
37 write(raw, 1, bytes);
38 else
39 write(raw, 0, bytes);
40 }
41
42 public void writeString(String str) throws IOException {
43 byte[] raw = str.getBytes();
44 writeInt(raw.length);
45 write(raw);
46 }
47 }