353 lines
10 KiB
Java
353 lines
10 KiB
Java
using System;
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namespace Tamir.SharpSsh.jsch
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{
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/* -*-mode:java; c-basic-offset:2; -*- */
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/*
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Copyright (c) 2002,2003,2004 ymnk, JCraft,Inc. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the distribution.
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3. The names of the authors may not be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JCRAFT,
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INC. OR ANY CONTRIBUTORS TO THIS SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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public class KeyPairRSA : KeyPair
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{
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private byte[] prv_array;
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private byte[] pub_array;
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private byte[] n_array;
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private byte[] p_array; // prime p
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private byte[] q_array; // prime q
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private byte[] ep_array; // prime exponent p
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private byte[] eq_array; // prime exponent q
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private byte[] c_array; // coefficient
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//private int key_size=0;
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private int key_size=1024;
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public KeyPairRSA(JSch jsch):base(jsch)
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{
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}
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internal override void generate(int key_size)
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{
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this.key_size=key_size;
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try
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{
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Type t=Type.GetType(jsch.getConfig("keypairgen.rsa"));
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KeyPairGenRSA keypairgen=(KeyPairGenRSA)(Activator.CreateInstance(t));
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keypairgen.init(key_size);
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pub_array=keypairgen.getE();
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prv_array=keypairgen.getD();
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n_array=keypairgen.getN();
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p_array=keypairgen.getP();
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q_array=keypairgen.getQ();
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ep_array=keypairgen.getEP();
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eq_array=keypairgen.getEQ();
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c_array=keypairgen.getC();
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keypairgen=null;
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}
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catch(Exception e)
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{
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Console.WriteLine("KeyPairRSA: "+e);
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throw new JSchException(e.ToString());
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}
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}
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private static byte[] begin= Util.getBytes( "-----BEGIN RSA PRIVATE KEY-----");
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private static byte[] end=Util.getBytes("-----END RSA PRIVATE KEY-----");
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internal override byte[] getBegin(){ return begin; }
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internal override byte[] getEnd(){ return end; }
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internal override byte[] getPrivateKey()
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{
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int content=
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1+countLength(1) + 1 + // INTEGER
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1+countLength(n_array.Length) + n_array.Length + // INTEGER N
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1+countLength(pub_array.Length) + pub_array.Length + // INTEGER pub
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1+countLength(prv_array.Length) + prv_array.Length+ // INTEGER prv
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1+countLength(p_array.Length) + p_array.Length+ // INTEGER p
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1+countLength(q_array.Length) + q_array.Length+ // INTEGER q
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1+countLength(ep_array.Length) + ep_array.Length+ // INTEGER ep
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1+countLength(eq_array.Length) + eq_array.Length+ // INTEGER eq
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1+countLength(c_array.Length) + c_array.Length; // INTEGER c
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int total=
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1+countLength(content)+content; // SEQUENCE
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byte[] plain=new byte[total];
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int index=0;
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index=writeSEQUENCE(plain, index, content);
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index=writeINTEGER(plain, index, new byte[1]); // 0
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index=writeINTEGER(plain, index, n_array);
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index=writeINTEGER(plain, index, pub_array);
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index=writeINTEGER(plain, index, prv_array);
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index=writeINTEGER(plain, index, p_array);
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index=writeINTEGER(plain, index, q_array);
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index=writeINTEGER(plain, index, ep_array);
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index=writeINTEGER(plain, index, eq_array);
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index=writeINTEGER(plain, index, c_array);
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return plain;
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}
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internal override bool parse(byte [] plain)
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{
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/*
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byte[] p_array;
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byte[] q_array;
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byte[] dmp1_array;
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byte[] dmq1_array;
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byte[] iqmp_array;
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*/
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try
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{
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int index=0;
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int Length=0;
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if(vendor==VENDOR_FSECURE)
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{
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if(plain[index]!=0x30)
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{ // FSecure
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Buffer buf=new Buffer(plain);
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pub_array=buf.getMPIntBits();
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prv_array=buf.getMPIntBits();
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n_array=buf.getMPIntBits();
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byte[] u_array=buf.getMPIntBits();
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p_array=buf.getMPIntBits();
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q_array=buf.getMPIntBits();
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return true;
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}
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return false;
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}
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index++; // SEQUENCE
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Length=plain[index++]&0xff;
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if((Length&0x80)!=0)
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{
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int foo=Length&0x7f; Length=0;
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while(foo-->0){ Length=(Length<<8)+(plain[index++]&0xff); }
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}
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if(plain[index]!=0x02)return false;
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index++; // INTEGER
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Length=plain[index++]&0xff;
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if((Length&0x80)!=0)
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{
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int foo=Length&0x7f; Length=0;
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while(foo-->0){ Length=(Length<<8)+(plain[index++]&0xff); }
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}
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index+=Length;
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//System.out.println("int: len="+Length);
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//System.out.print(Integer.toHexString(plain[index-1]&0xff)+":");
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//System.out.println("");
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index++;
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Length=plain[index++]&0xff;
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if((Length&0x80)!=0)
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{
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int foo=Length&0x7f; Length=0;
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while(foo-->0){ Length=(Length<<8)+(plain[index++]&0xff); }
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}
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n_array=new byte[Length];
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Array.Copy(plain, index, n_array, 0, Length);
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index+=Length;
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/*
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System.out.println("int: N len="+Length);
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for(int i=0; i<n_array.Length; i++){
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System.out.print(Integer.toHexString(n_array[i]&0xff)+":");
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}
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System.out.println("");
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*/
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index++;
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Length=plain[index++]&0xff;
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if((Length&0x80)!=0)
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{
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int foo=Length&0x7f; Length=0;
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while(foo-->0){ Length=(Length<<8)+(plain[index++]&0xff); }
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}
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pub_array=new byte[Length];
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Array.Copy(plain, index, pub_array, 0, Length);
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index+=Length;
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/*
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System.out.println("int: E len="+Length);
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for(int i=0; i<pub_array.Length; i++){
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System.out.print(Integer.toHexString(pub_array[i]&0xff)+":");
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}
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System.out.println("");
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*/
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index++;
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Length=plain[index++]&0xff;
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if((Length&0x80)!=0)
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{
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int foo=Length&0x7f; Length=0;
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while(foo-->0){ Length=(Length<<8)+(plain[index++]&0xff); }
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}
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prv_array=new byte[Length];
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Array.Copy(plain, index, prv_array, 0, Length);
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index+=Length;
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/*
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System.out.println("int: prv len="+Length);
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for(int i=0; i<prv_array.Length; i++){
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System.out.print(Integer.toHexString(prv_array[i]&0xff)+":");
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}
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System.out.println("");
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*/
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index++;
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Length=plain[index++]&0xff;
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if((Length&0x80)!=0)
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{
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int foo=Length&0x7f; Length=0;
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while(foo-->0){ Length=(Length<<8)+(plain[index++]&0xff); }
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}
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p_array=new byte[Length];
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Array.Copy(plain, index, p_array, 0, Length);
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index+=Length;
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/*
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System.out.println("int: P len="+Length);
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for(int i=0; i<p_array.Length; i++){
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System.out.print(Integer.toHexString(p_array[i]&0xff)+":");
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}
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System.out.println("");
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*/
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index++;
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Length=plain[index++]&0xff;
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if((Length&0x80)!=0)
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{
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int foo=Length&0x7f; Length=0;
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while(foo-->0){ Length=(Length<<8)+(plain[index++]&0xff); }
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}
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q_array=new byte[Length];
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Array.Copy(plain, index, q_array, 0, Length);
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index+=Length;
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/*
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System.out.println("int: q len="+Length);
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for(int i=0; i<q_array.Length; i++){
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System.out.print(Integer.toHexString(q_array[i]&0xff)+":");
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}
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System.out.println("");
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*/
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index++;
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Length=plain[index++]&0xff;
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if((Length&0x80)!=0)
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{
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int foo=Length&0x7f; Length=0;
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while(foo-->0){ Length=(Length<<8)+(plain[index++]&0xff); }
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}
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ep_array=new byte[Length];
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Array.Copy(plain, index, ep_array, 0, Length);
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index+=Length;
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/*
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System.out.println("int: ep len="+Length);
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for(int i=0; i<ep_array.Length; i++){
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System.out.print(Integer.toHexString(ep_array[i]&0xff)+":");
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}
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System.out.println("");
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*/
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index++;
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Length=plain[index++]&0xff;
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if((Length&0x80)!=0)
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{
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int foo=Length&0x7f; Length=0;
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while(foo-->0){ Length=(Length<<8)+(plain[index++]&0xff); }
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}
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eq_array=new byte[Length];
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Array.Copy(plain, index, eq_array, 0, Length);
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index+=Length;
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/*
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System.out.println("int: eq len="+Length);
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for(int i=0; i<eq_array.Length; i++){
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System.out.print(Integer.toHexString(eq_array[i]&0xff)+":");
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}
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System.out.println("");
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*/
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index++;
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Length=plain[index++]&0xff;
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if((Length&0x80)!=0)
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{
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int foo=Length&0x7f; Length=0;
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while(foo-->0){ Length=(Length<<8)+(plain[index++]&0xff); }
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}
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c_array=new byte[Length];
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Array.Copy(plain, index, c_array, 0, Length);
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index+=Length;
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/*
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System.out.println("int: c len="+Length);
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for(int i=0; i<c_array.Length; i++){
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System.out.print(Integer.toHexString(c_array[i]&0xff)+":");
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}
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System.out.println("");
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*/
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}
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catch//(Exception e)
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{
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//System.out.println(e);
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return false;
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}
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return true;
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}
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public override byte[] getPublicKeyBlob()
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{
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byte[] foo=base.getPublicKeyBlob();
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if(foo!=null) return foo;
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if(pub_array==null) return null;
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Buffer buf=new Buffer(sshrsa.Length+4+
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pub_array.Length+4+
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n_array.Length+4);
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buf.putString(sshrsa);
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buf.putString(pub_array);
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buf.putString(n_array);
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return buf.buffer;
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}
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private static byte[] sshrsa= Util.getBytes( "ssh-rsa" );
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internal override byte[] getKeyTypeName(){return sshrsa;}
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public override int getKeyType(){return RSA;}
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public override int getKeySize(){return key_size; }
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public override void dispose()
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{
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base.dispose();
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pub_array=null;
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prv_array=null;
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n_array=null;
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p_array=null;
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q_array=null;
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ep_array=null;
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eq_array=null;
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c_array=null;
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}
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}
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}
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