org.wildfly.security.password.spec.EncryptablePasswordSpec Maven / Gradle / Ivy
/*
* JBoss, Home of Professional Open Source.
* Copyright 2014 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.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import java.security.spec.AlgorithmParameterSpec;
import java.util.Arrays;
import java.util.Objects;
import org.wildfly.common.Assert;
/**
* A password specification for clear passwords which are intended to be encrypted or hashed.
*
* @author David M. Lloyd
*/
public final class EncryptablePasswordSpec implements PasswordSpec {
private final char[] password;
private final AlgorithmParameterSpec algorithmParameterSpec;
private final Charset hashCharset;
/**
* Construct a new instance.
*
* @param password the password to be encrypted or hashed
* @param algorithmParameterSpec the parameters of the algorithm to be used for encryption or hashing
*/
public EncryptablePasswordSpec(final char[] password, final AlgorithmParameterSpec algorithmParameterSpec) {
this(password, algorithmParameterSpec, StandardCharsets.UTF_8);
}
/**
* Construct a new instance.
*
* @param password the password to be encrypted or hashed
* @param algorithmParameterSpec the parameters of the algorithm to be used for encryption or hashing
* @param hashCharset the character set used in the password representation. Uses UTF-8 by default.
*/
public EncryptablePasswordSpec(char[] password, AlgorithmParameterSpec algorithmParameterSpec, Charset hashCharset) {
Assert.checkNotNullParam("password", password);
this.password = password;
this.algorithmParameterSpec = algorithmParameterSpec;
this.hashCharset = hashCharset == null ? StandardCharsets.UTF_8 : hashCharset;
}
/**
* Get the password characters.
*
* @return the password characters
*/
public char[] getPassword() {
return password;
}
/**
* Get the algorithm parameter specification.
*
* @return the algorithm parameter specification
*/
public AlgorithmParameterSpec getAlgorithmParameterSpec() {
return algorithmParameterSpec;
}
/**
* Get the character set used in the password representation
*
* @return the character set
*/
public Charset getHashCharset() {
return hashCharset;
}
@Override
public boolean equals(Object other) {
if (! (other instanceof EncryptablePasswordSpec)) return false;
EncryptablePasswordSpec o = (EncryptablePasswordSpec) other;
return Arrays.equals(password, o.password) && Objects.equals(algorithmParameterSpec, o.algorithmParameterSpec);
}
@Override
public int hashCode() {
return multiHashOrdered(Arrays.hashCode(password), Objects.hashCode(algorithmParameterSpec));
}
}