org.wildfly.security.password.spec.IteratedHashPasswordSpec Maven / Gradle / Ivy
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* JBoss, Home of Professional Open Source.
* Copyright 2016 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* 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 org.wildfly.security.password.spec;
import static org.wildfly.common.math.HashMath.multiHashOrdered;
import java.util.Arrays;
import org.wildfly.common.Assert;
/**
* A {@link PasswordSpec} for a password represented by a hash with an iteration count or cost.
*
* @author Pedro Igor
*/
public class IteratedHashPasswordSpec implements PasswordSpec {
private final byte[] hash;
private final int iterationCount;
/**
* Construct new instance.
*
* @param hash the password hash
* @param iterationCount the iteration count or cost
*/
public IteratedHashPasswordSpec(byte[] hash, int iterationCount) {
Assert.checkNotNullParam("hash", hash);
this.hash = hash;
this.iterationCount = iterationCount;
}
/**
* Get a password hash.
*
* @return the password hash
*/
public byte[] getHash() {
return this.hash;
}
/**
* Get an iteration count or cost.
*
* @return the iteration count or cost
*/
public int getIterationCount() {
return this.iterationCount;
}
@Override
public boolean equals(Object other) {
if (! (other instanceof IteratedHashPasswordSpec)) return false;
IteratedHashPasswordSpec o = (IteratedHashPasswordSpec) other;
return Arrays.equals(hash, o.hash) && iterationCount == o.iterationCount;
}
@Override
public int hashCode() {
return multiHashOrdered(Arrays.hashCode(hash), iterationCount);
}
}