/* -*-mode:java; c-basic-offset:2; indent-tabs-mode:nil -*- */
/*
Copyright (c) 2002-2018 ymnk, JCraft,Inc. All rights reserved.

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  1. Redistributions of source code must retain the above copyright notice,
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  2. Redistributions in binary form must reproduce the above copyright 
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  3. The names of the authors may not be used to endorse or promote products
     derived from this software without specific prior written permission.

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package com.jcraft.jsch;

import java.io.*;

class IdentityFile implements Identity{
  private JSch jsch;
  private KeyPair kpair;
  private String identity;

  static IdentityFile newInstance(String prvfile, String pubfile, JSch jsch) throws JSchException{
    KeyPair kpair = KeyPair.load(jsch, prvfile, pubfile);
    return new IdentityFile(jsch, prvfile, kpair);
  }

  static IdentityFile newInstance(String name, byte[] prvkey, byte[] pubkey, JSch jsch) throws JSchException{

    KeyPair kpair = KeyPair.load(jsch, prvkey, pubkey);
    return new IdentityFile(jsch, name, kpair);
  }

  private IdentityFile(JSch jsch, String name, KeyPair kpair) throws JSchException{
    this.jsch = jsch;
    this.identity = name;
    this.kpair = kpair;
  }

  
Decrypts this identity with the specified pass-phrase.
Params:
  • passphrase – the pass-phrase for this identity.
Returns:true if the decryption is succeeded or this identity is not cyphered.
/** * Decrypts this identity with the specified pass-phrase. * @param passphrase the pass-phrase for this identity. * @return <tt>true</tt> if the decryption is succeeded * or this identity is not cyphered. */
public boolean setPassphrase(byte[] passphrase) throws JSchException{ return kpair.decrypt(passphrase); }
Returns the public-key blob.
Returns:the public-key blob
/** * Returns the public-key blob. * @return the public-key blob */
public byte[] getPublicKeyBlob(){ return kpair.getPublicKeyBlob(); }
Signs on data with this identity, and returns the result.
Params:
  • data – data to be signed
Returns:the signature
/** * Signs on data with this identity, and returns the result. * @param data data to be signed * @return the signature */
public byte[] getSignature(byte[] data){ return kpair.getSignature(data); }
See Also:
Deprecated:This method should not be invoked.
/** * @deprecated This method should not be invoked. * @see #setPassphrase(byte[] passphrase) */
public boolean decrypt(){ throw new RuntimeException("not implemented"); }
Returns the name of the key algorithm.
Returns:"ssh-rsa" or "ssh-dss"
/** * Returns the name of the key algorithm. * @return "ssh-rsa" or "ssh-dss" */
public String getAlgName(){ byte[] name = kpair.getKeyTypeName(); try { return new String(name, "UTF-8"); } catch (UnsupportedEncodingException e){ return new String(name); } }
Returns the name of this identity. It will be useful to identify this object in the IdentityRepository.
/** * Returns the name of this identity. * It will be useful to identify this object in the {@link IdentityRepository}. */
public String getName(){ return identity; }
Returns true if this identity is cyphered.
Returns:true if this identity is cyphered.
/** * Returns <tt>true</tt> if this identity is cyphered. * @return <tt>true</tt> if this identity is cyphered. */
public boolean isEncrypted(){ return kpair.isEncrypted(); }
Disposes internally allocated data, like byte array for the private key.
/** * Disposes internally allocated data, like byte array for the private key. */
public void clear(){ kpair.dispose(); kpair = null; }
Returns an instance of KeyPair used in this Identity.
Returns:an instance of KeyPair used in this Identity.
/** * Returns an instance of {@link KeyPair} used in this {@link Identity}. * @return an instance of {@link KeyPair} used in this {@link Identity}. */
public KeyPair getKeyPair(){ return kpair; } }