Пример #1
0
 public String getFingerPrint(JSch jsch)
 {
     HASH hash=null;
     try{
     hash=(HASH)Activator.CreateInstance(Type.GetType(jsch.getConfig("md5")));
     }
     catch(Exception e){ Console.Error.WriteLine("getFingerPrint: "+e); }
     return Util.getFingerPrint(hash, key);
 }
Пример #2
0
        public static void test()
        {
            JSch jsch = new JSch();
            DH   dh1  = null;
            DH   dh2  = null;

            try
            {
                Type t = Type.GetType(jsch.getConfig("dh"));
                dh1 = (DH)(Activator.CreateInstance(t));
                dh1.init();
                dh2 = (DH)(Activator.CreateInstance(t));
                dh2.init();
            }
            catch (Exception ee)
            {
                Console.WriteLine(ee);
            }

            dh1.setP(DHG1.p);
            dh1.setG(DHG1.g);
            dh2.setP(DHG1.p);
            dh2.setG(DHG1.g);

            // The client responds with:
            // byte  SSH_MSG_KEXDH_INIT(30)
            // mpint e <- g^x mod p
            //         x is a random number (1 < x < (p-1)/2)

            byte[] e = dh1.getE();
            byte[] f = dh2.getE();
            Console.WriteLine("Private1 = {0}", hex(e));
            Console.WriteLine();
            Console.WriteLine("Private2 = {0}", hex(f));
            Console.WriteLine();
            dh1.setF(f);
            dh2.setF(e);
            byte[] k1 = dh1.getK();
            byte[] k2 = dh2.getK();
            Console.WriteLine("Public1 = {0}", hex(k1));
            Console.WriteLine();
            Console.WriteLine("Public2 = {0}", hex(k2));
            Console.WriteLine();
        }
        internal IdentityFile(String identity, JSch jsch)
        {
            this.identity=identity;
            this.jsch=jsch;
            try
            {
                Type c=Type.GetType(jsch.getConfig("3des-cbc"));
                cipher=(Cipher)Activator.CreateInstance(c);
                key=new byte[cipher.getBlockSize()];   // 24
                iv=new byte[cipher.getIVSize()];       // 8
                c=Type.GetType(jsch.getConfig("md5"));
                hash=(HASH)(Activator.CreateInstance(c));
                hash.init();
                FileInfo file=new FileInfo(identity);
                FileStream fis = File.OpenRead(identity);
                byte[] buf=new byte[(int)(file.Length)];
                int len=fis.Read(buf, 0, buf.Length);
                fis.Close();

                int i=0;
                while(i<len)
                {
                    if(buf[i]=='B'&& buf[i+1]=='E'&& buf[i+2]=='G'&& buf[i+3]=='I')
                    {
                        i+=6;
                        if(buf[i]=='D'&& buf[i+1]=='S'&& buf[i+2]=='A'){ type=DSS; }
                        else if(buf[i]=='R'&& buf[i+1]=='S'&& buf[i+2]=='A'){ type=RSA; }
                        else if(buf[i]=='S'&& buf[i+1]=='S'&& buf[i+2]=='H')
                        { // FSecure
                            type=UNKNOWN;
                            keytype=FSECURE;
                        }
                        else
                        {
                            //System.out.println("invalid format: "+identity);
                            throw new JSchException("invaid privatekey: "+identity);
                        }
                        i+=3;
                        continue;
                    }
                    if(buf[i]=='C'&& buf[i+1]=='B'&& buf[i+2]=='C'&& buf[i+3]==',')
                    {
                        i+=4;
                        for(int ii=0; ii<iv.Length; ii++)
                        {
                            iv[ii]=(byte)(((a2b(buf[i++])<<4)&0xf0)+
                                (a2b(buf[i++])&0xf));
                        }
                        continue;
                    }
                    if(buf[i]==0x0d &&
                        i+1<buf.Length && buf[i+1]==0x0a)
                    {
                        i++;
                        continue;
                    }
                    if(buf[i]==0x0a && i+1<buf.Length)
                    {
                        if(buf[i+1]==0x0a){ i+=2; break; }
                        if(buf[i+1]==0x0d &&
                            i+2<buf.Length && buf[i+2]==0x0a)
                        {
                            i+=3; break;
                        }
                        bool inheader=false;
                        for(int j=i+1; j<buf.Length; j++)
                        {
                            if(buf[j]==0x0a) break;
                            //if(buf[j]==0x0d) break;
                            if(buf[j]==':'){inheader=true; break;}
                        }
                        if(!inheader)
                        {
                            i++;
                            encrypted=false;    // no passphrase
                            break;
                        }
                    }
                    i++;
                }

                if(type==ERROR)
                {
                    throw new JSchException("invaid privatekey: "+identity);
                }

                int start=i;
                while(i<len)
                {
                    if(buf[i]==0x0a)
                    {
                        bool xd=(buf[i-1]==0x0d);
                        Array.Copy(buf, i+1,
                            buf,
                            i-(xd ? 1 : 0),
                            len-i-1-(xd ? 1 : 0)
                            );
                        if(xd)len--;
                        len--;
                        continue;
                    }
                    if(buf[i]=='-'){  break; }
                    i++;
                }
                encoded_data=Util.fromBase64(buf, start, i-start);

                if(encoded_data.Length>4 &&            // FSecure
                    encoded_data[0]==(byte)0x3f &&
                    encoded_data[1]==(byte)0x6f &&
                    encoded_data[2]==(byte)0xf9 &&
                    encoded_data[3]==(byte)0xeb)
                {

                    Buffer _buf=new Buffer(encoded_data);
                    _buf.getInt();  // 0x3f6ff9be
                    _buf.getInt();
                    byte[]_type=_buf.getString();
                    //System.out.println("type: "+new String(_type));
                    byte[] _cipher=_buf.getString();
                    String s_cipher=System.Text.Encoding.Default.GetString(_cipher);
                    //System.out.println("cipher: "+cipher);
                    if(s_cipher.Equals("3des-cbc"))
                    {
                        _buf.getInt();
                        byte[] foo=new byte[encoded_data.Length-_buf.getOffSet()];
                        _buf.getByte(foo);
                        encoded_data=foo;
                        encrypted=true;
                        throw new JSchException("unknown privatekey format: "+identity);
                    }
                    else if(s_cipher.Equals("none"))
                    {
                        _buf.getInt();
                        //_buf.getInt();

                        encrypted=false;

                        byte[] foo=new byte[encoded_data.Length-_buf.getOffSet()];
                        _buf.getByte(foo);
                        encoded_data=foo;
                    }

                }

                try
                {
                    file=new FileInfo(identity+".pub");
                    fis=File.OpenRead(identity+".pub");
                    buf=new byte[(int)(file.Length)];
                    len=fis.Read(buf, 0, buf.Length);
                    fis.Close();
                }
                catch
                {
                    return;
                }

                if(buf.Length>4 &&             // FSecure's public key
                    buf[0]=='-' && buf[1]=='-' && buf[2]=='-' && buf[3]=='-')
                {

                    i=0;
                    do{i++;}while(buf.Length>i && buf[i]!=0x0a);
                    if(buf.Length<=i) return;

                    while(true)
                    {
                        if(buf[i]==0x0a)
                        {
                            bool inheader=false;
                            for(int j=i+1; j<buf.Length; j++)
                            {
                                if(buf[j]==0x0a) break;
                                if(buf[j]==':'){inheader=true; break;}
                            }
                            if(!inheader)
                            {
                                i++;
                                break;
                            }
                        }
                        i++;
                    }
                    if(buf.Length<=i) return;

                    start=i;
                    while(i<len)
                    {
                        if(buf[i]==0x0a)
                        {
                            Array.Copy(buf, i+1, buf, i, len-i-1);
                            len--;
                            continue;
                        }
                        if(buf[i]=='-'){  break; }
                        i++;
                    }
                    publickeyblob=Util.fromBase64(buf, start, i-start);

                    if(type==UNKNOWN)
                    {
                        if(publickeyblob[8]=='d')
                        {
                            type=DSS;
                        }
                        else if(publickeyblob[8]=='r')
                        {
                            type=RSA;
                        }
                    }
                }
                else
                {
                    if(buf[0]!='s'|| buf[1]!='s'|| buf[2]!='h'|| buf[3]!='-') return;
                    i=0;
                    while(i<len){ if(buf[i]==' ')break; i++;} i++;
                    if(i>=len) return;
                    start=i;
                    while(i<len){ if(buf[i]==' ')break; i++;}
                    publickeyblob=Util.fromBase64(buf, start, i-start);
                }

            }
            catch(Exception e)
            {
                Console.WriteLine("Identity: "+e);
                if(e is JSchException) throw (JSchException)e;
                throw new JSchException(e.ToString());
            }
        }