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Main ACS AEM Commons OSGi Bundle. Includes commons utilities.

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

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

  1. Redistributions of source code must retain the above copyright notice,
     this list of conditions and the following disclaimer.

  2. Redistributions in binary form must reproduce the above copyright 
     notice, this list of conditions and the following disclaimer in 
     the documentation and/or other materials provided with the distribution.

  3. The names of the authors may not be used to endorse or promote products
     derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JCRAFT,
INC. OR ANY CONTRIBUTORS TO THIS SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

package acscommons.com.jcraft.jsch;

public interface Identity{

  /**
   * Decrypts this identity with the specified pass-phrase.
   * @param passphrase the pass-phrase for this identity.
   * @return true if the decryption is succeeded
   * or this identity is not cyphered.
   */
  public boolean setPassphrase(byte[] passphrase) throws JSchException;

  /**
   * Returns the public-key blob.
   * @return the public-key blob
   */
  public byte[] getPublicKeyBlob();

  /**
   * Signs on data with this identity, and returns the result.
   * @param data data to be signed
   * @return the signature
   */
  public byte[] getSignature(byte[] data);

  /**
   * @deprecated The decryption should be done automatically in #setPassphase(byte[] passphrase)
   * @see #setPassphrase(byte[] passphrase)
   */
  public boolean decrypt();

  /**
   * Returns the name of the key algorithm.
   * @return "ssh-rsa" or "ssh-dss"
   */
  public String getAlgName();

  /**
   * Returns the name of this identity. 
   * It will be useful to identify this object in the {@link IdentityRepository}.
   */
  public String getName();

  /**
   * Returns true if this identity is cyphered.
   * @return true if this identity is cyphered.
   */
  public boolean isEncrypted();

  /**
   * Disposes internally allocated data, like byte array for the private key.
   */
  public void clear();
}