131 lines
4.0 KiB
Java
131 lines
4.0 KiB
Java
/* -*-mode:java; c-basic-offset:2; indent-tabs-mode:nil -*- */
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/*
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Copyright (c) 2002-2015 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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package com.jcraft.jsch;
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import java.io.*;
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class IdentityFile implements Identity{
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private JSch jsch;
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private KeyPair kpair;
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private String identity;
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static IdentityFile newInstance(String prvfile, String pubfile, JSch jsch) throws JSchException{
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KeyPair kpair = KeyPair.load(jsch, prvfile, pubfile);
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return new IdentityFile(jsch, prvfile, kpair);
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}
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static IdentityFile newInstance(String name, byte[] prvkey, byte[] pubkey, JSch jsch) throws JSchException{
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KeyPair kpair = KeyPair.load(jsch, prvkey, pubkey);
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return new IdentityFile(jsch, name, kpair);
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}
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private IdentityFile(JSch jsch, String name, KeyPair kpair) throws JSchException{
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this.jsch = jsch;
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this.identity = name;
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this.kpair = kpair;
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}
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/**
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* Decrypts this identity with the specified pass-phrase.
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* @param passphrase the pass-phrase for this identity.
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* @return <tt>true</tt> if the decryption is succeeded
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* or this identity is not cyphered.
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*/
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public boolean setPassphrase(byte[] passphrase) throws JSchException{
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return kpair.decrypt(passphrase);
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}
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/**
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* Returns the public-key blob.
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* @return the public-key blob
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*/
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public byte[] getPublicKeyBlob(){
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return kpair.getPublicKeyBlob();
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}
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/**
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* Signs on data with this identity, and returns the result.
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* @param data data to be signed
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* @return the signature
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*/
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public byte[] getSignature(byte[] data){
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return kpair.getSignature(data);
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}
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/**
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* @deprecated This method should not be invoked.
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* @see #setPassphrase(byte[] passphrase)
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*/
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public boolean decrypt(){
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throw new RuntimeException("not implemented");
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}
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/**
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* Returns the name of the key algorithm.
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* @return "ssh-rsa" or "ssh-dss"
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*/
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public String getAlgName(){
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return new String(kpair.getKeyTypeName());
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}
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/**
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* Returns the name of this identity.
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* It will be useful to identify this object in the {@link IdentityRepository}.
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*/
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public String getName(){
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return identity;
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}
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/**
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* Returns <tt>true</tt> if this identity is cyphered.
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* @return <tt>true</tt> if this identity is cyphered.
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*/
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public boolean isEncrypted(){
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return kpair.isEncrypted();
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}
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/**
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* Disposes internally allocated data, like byte array for the private key.
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*/
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public void clear(){
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kpair.dispose();
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kpair = null;
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}
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/**
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* Returns an instance of {@link KeyPair} used in this {@link Identity}.
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* @return an instance of {@link KeyPair} used in this {@link Identity}.
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*/
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public KeyPair getKeyPair(){
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return kpair;
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}
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}
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