/*******************************************************************************
*
* Copyright (c) 2004-2009 Oracle Corporation.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
*
* Kohsuke Kawaguchi
*
*
*******************************************************************************/
package hudson.util;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import org.apache.commons.codec.binary.Base64;
/**
* Used when storing passwords in configuration files.
*
* <p> This doesn't make passwords secure, but it prevents unwanted exposure to
* passwords, such as when one is grepping the file system or looking at config
* files for trouble-shooting.
*
* @author Kohsuke Kawaguchi
* @see Protector
*/
public class Scrambler {
public static String scramble(String secret) {
if (secret == null) {
return null;
}
try {
return new String(Base64.encodeBase64(secret.getBytes("UTF-8")));
} catch (UnsupportedEncodingException e) {
throw new Error(e); // impossible
}
}
public static String descramble(String scrambled) {
if (scrambled == null) {
return null;
}
try {
return new String(Base64.decodeBase64(scrambled), "UTF-8");
} catch (IOException e) {
return ""; // corrupted data.
}
}
}