private IHASH genHash() { try { Type t = Type.GetType(jsch.getConfig("md5")); hash = (IHASH)Activator.CreateInstance(t); hash.Init(); } catch //(Exception e) { } return(hash); }
internal static String getFingerPrint(IHASH hash, byte[] data) { try { hash.Init(); hash.update(data, 0, data.Length); byte[] foo = hash.digest(); System.Text.StringBuilder sb = new System.Text.StringBuilder(); uint bar; for (int i = 0; i < foo.Length; i++) { bar = (byte)(foo[i] & 0xff); sb.AppendFormat("{0:x2}", bar); if (i + 1 < foo.Length) { sb.Append(":"); } } return(sb.ToString()); } catch { return("???"); } }
internal IdentityFile(String identity, SshClient jsch) { this.identity = identity; this.jsch = jsch; try { Type c = Type.GetType(jsch.getConfig("3des-cbc")); cipher = (ICipher)Activator.CreateInstance(c); key = new byte[cipher.getBlockSize()]; // 24 iv = new byte[cipher.getIVSize()]; // 8 c = Type.GetType(jsch.getConfig("md5")); hash = (IHASH)(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 SshClientException("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 SshClientException("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 = StringAux.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 SshClientException("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 = StringAux.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 = StringAux.fromBase64(buf, start, i - start); } } catch (Exception e) { Console.WriteLine("Identity: " + e); if (e is SshClientException) { throw (SshClientException)e; } throw new SshClientException(e.ToString()); } }