/*
* Copyright (C)2009 - SSHJ Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.schmizz.sshj.userauth.password;
import java.util.Arrays;
/** Static utility method and factories */
public class PasswordUtils {
/**
* Blank out a character array
*
* @param pwd the character array
*/
public static void blankOut(char[] pwd) {
if (pwd != null)
Arrays.fill(pwd, ' ');
}
/**
* @param password the password as a char[]
*
* @return the constructed {@link PasswordFinder}
*/
public static PasswordFinder createOneOff(final char[] password) {
if (password == null)
return null;
else
return new PasswordFinder() {
@Override
public char[] reqPassword(Resource<?> resource) {
char[] cloned = password.clone();
blankOut(password);
return cloned;
}
@Override
public boolean shouldRetry(Resource<?> resource) {
return false;
}
};
}
}