Package ch.ethz.ssh2.packets

Examples of ch.ethz.ssh2.packets.TypesWriter.writeString()

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      throw new IllegalArgumentException("invalid len argument");

    int req_id = generateNextRequestID();

    TypesWriter tw = new TypesWriter();
    tw.writeString(handle.fileHandle, 0, handle.fileHandle.length);
    tw.writeUINT64(fileOffset);
    tw.writeUINT32(len);

    if (debug != null)
    {
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          writeRequestLen = 32768;

        int req_id = generateNextRequestID();

        TypesWriter tw = new TypesWriter();
        tw.writeString(handle.fileHandle, 0, handle.fileHandle.length);
        tw.writeUINT64(fileOffset);
        tw.writeString(src, srcoff, writeRequestLen);

        if (debug != null)
        {
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        int req_id = generateNextRequestID();

        TypesWriter tw = new TypesWriter();
        tw.writeString(handle.fileHandle, 0, handle.fileHandle.length);
        tw.writeUINT64(fileOffset);
        tw.writeString(src, srcoff, writeRequestLen);

        if (debug != null)
        {
          debug.println("Sending SSH_FXP_WRITE...");
          debug.flush();
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  public static byte[] encodeSSHDSASignature(DSASignature ds)
  {
    TypesWriter tw = new TypesWriter();

    tw.writeString("ssh-dss");

    byte[] r = ds.getR().toByteArray();
    byte[] s = ds.getS().toByteArray();

    byte[] a40 = new byte[40];
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    int s_copylen = (s.length < 20) ? s.length : 20;

    System.arraycopy(r, r.length - r_copylen, a40, 20 - r_copylen, r_copylen);
    System.arraycopy(s, s.length - s_copylen, a40, 40 - s_copylen, s_copylen);

    tw.writeString(a40, 0, 40);

    return tw.getBytes();
  }

  public static DSASignature decodeSSHDSASignature(byte[] sig) throws IOException
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  public static byte[] encodeSSHRSAPublicKey(RSAPublicKey pk) throws IOException
  {
    TypesWriter tw = new TypesWriter();

    tw.writeString("ssh-rsa");
    tw.writeMPInt(pk.getE());
    tw.writeMPInt(pk.getN());

    return tw.getBytes();
  }
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  public static byte[] encodeSSHRSASignature(RSASignature sig) throws IOException
  {
    TypesWriter tw = new TypesWriter();

    tw.writeString("ssh-rsa");

    /* S is NOT an MPINT. "The value for 'rsa_signature_blob' is encoded as a string
     * containing s (which is an integer, without lengths or padding, unsigned and in
     * network byte order)."
     */
 
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    byte[] s = sig.getS().toByteArray();

    /* Remove first zero sign byte, if present */

    if ((s.length > 1) && (s[0] == 0x00))
      tw.writeString(s, 1, s.length - 1);
    else
      tw.writeString(s, 0, s.length);

    return tw.getBytes();
  }
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    /* Remove first zero sign byte, if present */

    if ((s.length > 1) && (s[0] == 0x00))
      tw.writeString(s, 1, s.length - 1);
    else
      tw.writeString(s, 0, s.length);

    return tw.getBytes();
  }

  public static RSASignature generateSignature(byte[] message, RSAPrivateKey pk) throws IOException
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        TypesWriter tw = new TypesWriter();

        byte[] H = tm.getSessionIdentifier();

        tw.writeString(H, 0, H.length);
        tw.writeByte(Packets.SSH_MSG_USERAUTH_REQUEST);
        tw.writeString(user);
        tw.writeString("ssh-connection");
        tw.writeString("publickey");
        tw.writeBoolean(true);
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