/*******************************************************************************
*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: chris grzegorczyk <grze@eucalyptus.com>
*/
package com.eucalyptus.auth.util;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.security.SecureRandom;
import java.security.cert.X509Certificate;
import org.apache.log4j.Logger;
import org.bouncycastle.openssl.PEMReader;
import org.bouncycastle.util.encoders.UrlBase64;
/**
* This class is headed for the dead pool.
* @author decker
*/
@Deprecated
public class Hashes {
public static Logger LOG = Logger.getLogger( Hashes.class );
/**
* TODO: Move this up in the dependency tree.
* @param o
* @return
*/
@Deprecated
public static X509Certificate getPemCert( final byte[] o ) {
X509Certificate x509 = null;
PEMReader in = null;
ByteArrayInputStream pemByteIn = new ByteArrayInputStream( o );
in = new PEMReader( new InputStreamReader( pemByteIn ) );
try {
x509 = ( X509Certificate ) in.readObject( );
} catch ( IOException e ) {
LOG.error( e, e );//this can never happen
}
return x509;
}
/**
* TODO: Move this up in the dependency tree.
* @param o
* @return
*/
@Deprecated
public static String base64encode( String input ) {
return new String( UrlBase64.encode( input.getBytes( ) ) );
}
/**
* TODO: Move this up in the dependency tree.
* @param o
* @return
*/
@Deprecated
public static String base64decode( String input ) {
return new String( UrlBase64.decode( input.getBytes( ) ) );
}
/**
* TODO: Move this up in the dependency tree.
* @param o
* @return
*/
@Deprecated
public static String getHexString( byte[] data ) {
StringBuffer buf = new StringBuffer( );
for ( int i = 0; i < data.length; i++ ) {
int halfbyte = ( data[i] >>> 4 ) & 0x0F;
int two_halfs = 0;
do {
if ( ( 0 <= halfbyte ) && ( halfbyte <= 9 ) ) buf.append( ( char ) ( '0' + halfbyte ) );
else buf.append( ( char ) ( 'a' + ( halfbyte - 10 ) ) );
halfbyte = data[i] & 0x0F;
} while ( two_halfs++ < 1 );
}
return buf.toString( ).toLowerCase( );
}
public static String getRandom( int size ) {
SecureRandom random = new SecureRandom( );
random.setSeed( System.nanoTime( ) );
byte[] randomBytes = new byte[size];
random.nextBytes( randomBytes );
return new String( UrlBase64.encode( randomBytes ) );
}
public static byte[] hexToBytes( String data ) {
int k = 0;
byte[] results = new byte[data.length( ) / 2];
for ( int i = 0; i < data.length( ); ) {
results[k] = ( byte ) ( Character.digit( data.charAt( i++ ), 16 ) << 4 );
results[k] += ( byte ) ( Character.digit( data.charAt( i++ ), 16 ) );
k++;
}
return results;
}
public static String bytesToHex( byte[] data ) {
StringBuffer buffer = new StringBuffer( );
for ( int i = 0; i < data.length; i++ ) {
buffer.append( byteToHex( data[i] ) );
}
return ( buffer.toString( ) );
}
public static String byteToHex( byte data ) {
StringBuffer hexString = new StringBuffer( );
hexString.append( toHex( ( data >>> 4 ) & 0x0F ) );
hexString.append( toHex( data & 0x0F ) );
return hexString.toString( );
}
public static char toHex( int value ) {
if ( ( 0 <= value ) && ( value <= 9 ) ) return ( char ) ( '0' + value );
else return ( char ) ( 'a' + ( value - 10 ) );
}
}