/*******************************************************************************
*Copyright (c) 2009 Eucalyptus Systems, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, only version 3 of the License.
*
*
* This file is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Please contact Eucalyptus Systems, Inc., 130 Castilian
* Dr., Goleta, CA 93101 USA or visit <http://www.eucalyptus.com/licenses/>
* if you need additional information or have any questions.
*
* This file may incorporate work covered under the following copyright and
* permission notice:
*
* Software License Agreement (BSD License)
*
* Copyright (c) 2008, Regents of the University of California
* All rights reserved.
*
* Redistribution and use of this software in source and binary forms, with
* or without modification, are permitted provided that the following
* conditions are met:
*
* Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS 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 THE COPYRIGHT OWNER
* OR CONTRIBUTORS 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. USERS OF
* THIS SOFTWARE ACKNOWLEDGE THE POSSIBLE PRESENCE OF OTHER OPEN SOURCE
* LICENSED MATERIAL, COPYRIGHTED MATERIAL OR PATENTED MATERIAL IN THIS
* SOFTWARE, AND IF ANY SUCH MATERIAL IS DISCOVERED THE PARTY DISCOVERING
* IT MAY INFORM DR. RICH WOLSKI AT THE UNIVERSITY OF CALIFORNIA, SANTA
* BARBARA WHO WILL THEN ASCERTAIN THE MOST APPROPRIATE REMEDY, WHICH IN
* THE REGENTS’ DISCRETION MAY INCLUDE, WITHOUT LIMITATION, REPLACEMENT
* OF THE CODE SO IDENTIFIED, LICENSING OF THE CODE SO IDENTIFIED, OR
* WITHDRAWAL OF THE CODE CAPABILITY TO THE EXTENT NEEDED TO COMPLY WITH
* ANY SUCH LICENSES OR RIGHTS.
*******************************************************************************/
/*
*
* Author: Neil Soman neil@eucalyptus.com
*/
package com.eucalyptus.util;
import java.security.PrivateKey;
import java.security.PublicKey;
import javax.crypto.Cipher;
import org.apache.log4j.Logger;
import org.bouncycastle.util.encoders.Base64;
import com.eucalyptus.auth.Authentication;
import com.eucalyptus.auth.SystemCredentialProvider;
import com.eucalyptus.auth.ClusterCredentials;
import com.eucalyptus.auth.SystemCredentialProvider;
import com.eucalyptus.auth.X509Cert;
import com.eucalyptus.bootstrap.Component;
import com.eucalyptus.entities.EntityWrapper;
import com.eucalyptus.util.EucalyptusCloudException;
import com.eucalyptus.util.StorageProperties;
public class BlockStorageUtil {
private static Logger LOG = Logger.getLogger(BlockStorageUtil.class);
public static String encryptNodeTargetPassword(String password) throws EucalyptusCloudException {
EntityWrapper<ClusterCredentials> credDb = Authentication.getEntityWrapper( );
try {
ClusterCredentials credentials = credDb.getUnique( new ClusterCredentials( StorageProperties.NAME ) );
PublicKey ncPublicKey = X509Cert.toCertificate(credentials.getNodeCertificate()).getPublicKey();
credDb.commit();
Cipher cipher = Cipher.getInstance("RSA/ECB/PKCS1Padding");
cipher.init(Cipher.ENCRYPT_MODE, ncPublicKey);
return new String(Base64.encode(cipher.doFinal(password.getBytes())));
} catch ( Exception e ) {
LOG.error( "Unable to encrypt storage target password" );
credDb.rollback( );
throw new EucalyptusCloudException(e.getMessage(), e);
}
}
public static String encryptSCTargetPassword(String password) throws EucalyptusCloudException {
PublicKey scPublicKey = SystemCredentialProvider.getCredentialProvider(Component.storage).getKeyPair().getPublic();
Cipher cipher;
try {
cipher = Cipher.getInstance("RSA/ECB/PKCS1Padding");
cipher.init(Cipher.ENCRYPT_MODE, scPublicKey);
return new String(Base64.encode(cipher.doFinal(password.getBytes())));
} catch (Exception e) {
LOG.error("Unable to encrypted storage target password");
throw new EucalyptusCloudException(e.getMessage(), e);
}
}
public static String decryptSCTargetPassword(String encryptedPassword) throws EucalyptusCloudException {
PrivateKey scPrivateKey = SystemCredentialProvider.getCredentialProvider(Component.storage).getPrivateKey();
try {
Cipher cipher = Cipher.getInstance("RSA/ECB/PKCS1Padding");
cipher.init(Cipher.DECRYPT_MODE, scPrivateKey);
return new String(cipher.doFinal(Base64.decode(encryptedPassword)));
} catch(Exception ex) {
LOG.error(ex);
throw new EucalyptusCloudException("Unable to decrypt storage target password", ex);
}
}
}