org.wildfly.security.password.spec.OneTimePasswordAlgorithmSpec 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 java.io.Serializable;
import java.security.spec.AlgorithmParameterSpec;
import java.util.Objects;
import org.wildfly.common.Assert;
/**
* Algorithm parameter specification for one-time password types as defined in RFC 2289.
*
* @author Farah Juma
*/
public final class OneTimePasswordAlgorithmSpec implements AlgorithmParameterSpec, Serializable {
private static final long serialVersionUID = 2703192508293746122L;
private final String algorithm;
private final String seed;
private final int sequenceNumber;
/**
* Construct a new instance.
*
* @param algorithm the OTP hash algorithm in "otp-" form (see RFC 2289)
* @param seed the seed
* @param sequenceNumber the sequence number
*/
public OneTimePasswordAlgorithmSpec(final String algorithm, final String seed, final int sequenceNumber) {
Assert.checkNotNullParam("algorithm", algorithm);
Assert.checkNotNullParam("seed", seed);
this.algorithm = algorithm;
this.seed = seed;
this.sequenceNumber = sequenceNumber;
}
/**
* Gets the OTP hash algorithm in "otp-" form.
*
* @return the algorithm
*/
public String getAlgorithm() {
return algorithm;
}
/**
* Gets the seed.
*
* @return the seed
*/
public String getSeed() {
return seed;
}
/**
* Gets the sequence number.
*
* @return the sequence number
*/
public int getSequenceNumber() {
return sequenceNumber;
}
public boolean equals(Object other) {
if (! (other instanceof OneTimePasswordAlgorithmSpec)) return false;
if (this == other) return true;
OneTimePasswordAlgorithmSpec otherSpec = (OneTimePasswordAlgorithmSpec) other;
return sequenceNumber == otherSpec.sequenceNumber && Objects.equals(algorithm, otherSpec.algorithm) && Objects.equals(seed, otherSpec.seed);
}
public int hashCode() {
return (sequenceNumber * 31 + seed.hashCode()) * 31 + algorithm.hashCode();
}
}