public static KeyPair load(JSch jsch, String prvkey, String pubkey) { byte[] iv=new byte[8]; // 8 bool encrypted=true; byte[] data=null; byte[] publickeyblob=null; int type=ERROR; int vendor=VENDOR_OPENSSH; try { //File file=new File(prvkey); FileStream fis=File.OpenRead(prvkey); byte[] buf=new byte[(int)(fis.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=DSA; } 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; vendor=VENDOR_FSECURE; } else { //System.outs.println("invalid format: "+identity); throw new JSchException("invaid privatekey: "+prvkey); } 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: "+prvkey); } 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++; } data=Util.fromBase64(buf, start, i-start); if(data.Length>4 && // FSecure data[0]==(byte)0x3f && data[1]==(byte)0x6f && data[2]==(byte)0xf9 && data[3]==(byte)0xeb) { Buffer _buf=new Buffer(data); _buf.getInt(); // 0x3f6ff9be _buf.getInt(); byte[]_type=_buf.getString(); //System.outs.println("type: "+new String(_type)); byte[] _cipher=_buf.getString(); String cipher=Util.getString(_cipher); //System.outs.println("cipher: "+cipher); if(cipher.Equals("3des-cbc")) { _buf.getInt(); byte[] foo=new byte[data.Length-_buf.getOffSet()]; _buf.getByte(foo); data=foo; encrypted=true; throw new JSchException("unknown privatekey format: "+prvkey); } else if(cipher.Equals("none")) { _buf.getInt(); _buf.getInt(); encrypted=false; byte[] foo=new byte[data.Length-_buf.getOffSet()]; _buf.getByte(foo); data=foo; } } if(pubkey!=null) { try { //file=new File(pubkey); fis=File.OpenRead(pubkey); buf=new byte[(int)(fis.Length)]; len=fis.Read(buf, 0, buf.Length); fis.Close(); if(buf.Length>4 && // FSecure's public key buf[0]=='-' && buf[1]=='-' && buf[2]=='-' && buf[3]=='-') { bool valid=true; i=0; do{i++;}while(buf.Length>i && buf[i]!=0x0a); if(buf.Length<=i) {valid=false;} while(valid) { 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){valid=false;} start=i; while(valid && i<len) { if(buf[i]==0x0a) { Array.Copy(buf, i+1, buf, i, len-i-1); len--; continue; } if(buf[i]=='-'){ break; } i++; } if(valid) { publickeyblob=Util.fromBase64(buf, start, i-start); if(type==UNKNOWN) { if(publickeyblob[8]=='d'){ type=DSA; } else if(publickeyblob[8]=='r'){ type=RSA; } } } } else { if(buf[0]=='s'&& buf[1]=='s'&& buf[2]=='h' && buf[3]=='-') { i=0; while(i<len){ if(buf[i]==' ')break; i++;} i++; if(i<len) { start=i; while(i<len){ if(buf[i]==' ')break; i++;} publickeyblob=Util.fromBase64(buf, start, i-start); } } } } catch//(Exception ee) { } } } catch(Exception e) { if(e is JSchException) throw (JSchException)e; throw new JSchException(e.ToString()); } KeyPair kpair=null; if(type==DSA){ kpair=new KeyPairDSA(jsch); } else if(type==RSA){ kpair=new KeyPairRSA(jsch); } if(kpair!=null) { kpair.encrypted=encrypted; kpair.publickeyblob=publickeyblob; kpair.vendor=vendor; if(encrypted) { kpair.iv=iv; kpair.data=data; } else { if(kpair.parse(data)) { return kpair; } else { throw new JSchException("invaid privatekey: "+prvkey); } } } return kpair; }
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()); } }