org.wildfly.security.password.spec.OneTimePasswordSpec Maven / Gradle / Ivy
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* Copyright 2015 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 java.util.Objects;
import org.wildfly.common.Assert;
/**
* A {@link PasswordSpec} for a one-time password as defined in RFC 2289.
*
* @author Farah Juma
*/
public final class OneTimePasswordSpec implements PasswordSpec {
private final byte[] hash;
private final String seed;
private final int sequenceNumber;
/**
* Construct a new instance.
*
* @param hash the hash bytes
* @param seed the seed
* @param sequenceNumber the sequence number
*/
public OneTimePasswordSpec(final byte[] hash, final String seed, final int sequenceNumber) {
Assert.checkNotNullParam("hash", hash);
Assert.checkNotNullParam("seed", seed);
this.hash = hash;
this.seed = seed;
this.sequenceNumber = sequenceNumber;
}
/**
* Gets the hash.
*
* @return the hash
*/
public byte[] getHash() {
return hash;
}
/**
* Gets the seed.
*
* @return the seed
*/
public String getSeed() {
return seed;
}
/**
* Gets the sequence number.
*
* @return the sequence number
*/
public int getSequenceNumber() {
return sequenceNumber;
}
@Override
public boolean equals(Object other) {
if (! (other instanceof OneTimePasswordSpec)) return false;
OneTimePasswordSpec o = (OneTimePasswordSpec) other;
return Arrays.equals(hash, o.hash) && Objects.equals(seed, o.seed) && sequenceNumber == o.sequenceNumber;
}
@Override
public int hashCode() {
return multiHashOrdered(multiHashOrdered(Arrays.hashCode(hash), Objects.hashCode(seed)), sequenceNumber);
}
}