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org.wildfly.security.password.impl.DigestPasswordImpl 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.impl;
import static org.wildfly.common.math.HashMath.multiHashOrdered;
import static org.wildfly.security.password.impl.ElytronMessages.log;
import static org.wildfly.security.password.impl.DigestUtil.userRealmPasswordDigest;
import java.io.NotSerializableException;
import java.io.ObjectInputStream;
import java.nio.charset.Charset;
import java.security.InvalidKeyException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.security.spec.InvalidKeySpecException;
import java.security.spec.KeySpec;
import java.util.Arrays;
import org.wildfly.security.password.interfaces.DigestPassword;
import org.wildfly.security.password.spec.DigestPasswordAlgorithmSpec;
import org.wildfly.security.password.spec.DigestPasswordSpec;
import org.wildfly.security.password.spec.EncryptablePasswordSpec;
/**
* Pre-digested (DigestMD5) credential type implementation.
*
* @author Peter Skopek .
* @author Darran Lofthouse
*/
class DigestPasswordImpl extends AbstractPasswordImpl implements DigestPassword {
private static final long serialVersionUID = - 8454721263222529136L;
private final String algorithm;
private final String username;
private final String realm;
private final byte[] digest;
DigestPasswordImpl(final String algorithm, final String username, final String realm, final byte[] digest) {
this.algorithm = algorithm;
this.username = username;
this.realm = realm;
this.digest = digest;
}
DigestPasswordImpl(final String algorithm, final DigestPasswordSpec spec) {
this(algorithm, spec.getUsername(), spec.getRealm(), spec.getDigest().clone());
}
DigestPasswordImpl(final DigestPassword password) {
this(password.getAlgorithm(), password.getUsername(), password.getRealm(), password.getDigest().clone());
}
// We can not support conversion from ClearPasswordSpec as we require additional
// information we can not generate ourselves.
DigestPasswordImpl(final String algorithm, final EncryptablePasswordSpec spec) throws InvalidKeySpecException {
this(algorithm, spec.getPassword(), (DigestPasswordAlgorithmSpec) spec.getAlgorithmParameterSpec(), spec.getHashCharset());
}
DigestPasswordImpl(final String algorithm, final char[] password, final DigestPasswordAlgorithmSpec spec, final Charset hashCharset) throws InvalidKeySpecException {
this.algorithm = algorithm;
this.username = spec.getUsername();
this.realm = spec.getRealm();
try {
this.digest = userRealmPasswordDigest(getMessageDigest(algorithm), spec.getUsername(), spec.getRealm(), password, hashCharset);
} catch (NoSuchAlgorithmException e) {
throw log.invalidKeySpecNoSuchMessageDigestAlgorithm(algorithm);
}
}
@Override
public String getAlgorithm() {
return algorithm;
}
@Override
public String getUsername() {
return username;
}
@Override
public String getRealm() {
return realm;
}
@Override
public byte[] getDigest() {
return digest.clone();
}
@Override
S getKeySpec(Class keySpecType) throws InvalidKeySpecException {
if (keySpecType.isAssignableFrom(DigestPasswordSpec.class)) {
return keySpecType.cast(new DigestPasswordSpec(username, realm, digest.clone()));
}
throw new InvalidKeySpecException();
}
@Override
boolean verify(char[] guess) throws InvalidKeyException {
try {
byte[] guessDigest = userRealmPasswordDigest(getMessageDigest(algorithm), username, realm, guess);
return Arrays.equals(digest, guessDigest);
} catch (NoSuchAlgorithmException e) {
throw log.invalidKeyNoSuchMessageDigestAlgorithm(algorithm);
}
}
@Override
boolean verify(char[] guess, Charset hashCharset) throws InvalidKeyException {
try {
byte[] guessDigest = userRealmPasswordDigest(getMessageDigest(algorithm), username, realm, guess, hashCharset);
// compare guessDigest equals the digest calculated by server
return Arrays.equals(digest, guessDigest);
} catch (NoSuchAlgorithmException e) {
throw log.invalidKeyNoSuchMessageDigestAlgorithm(algorithm);
}
}
@Override
boolean convertibleTo(Class keySpecType) {
return keySpecType.isAssignableFrom(DigestPasswordSpec.class);
}
private static MessageDigest getMessageDigest(final String algorithm) throws NoSuchAlgorithmException {
switch (algorithm) {
case ALGORITHM_DIGEST_MD5:
return MessageDigest.getInstance("MD5");
case ALGORITHM_DIGEST_SHA:
return MessageDigest.getInstance("SHA-1");
case ALGORITHM_DIGEST_SHA_256:
return MessageDigest.getInstance("SHA-256");
case ALGORITHM_DIGEST_SHA_384:
return MessageDigest.getInstance("SHA-384");
case ALGORITHM_DIGEST_SHA_512:
return MessageDigest.getInstance("SHA-512");
case ALGORITHM_DIGEST_SHA_512_256:
return MessageDigest.getInstance("SHA-512-256");
default:
throw log.noSuchAlgorithmInvalidAlgorithm(algorithm);
}
}
public int hashCode() {
return multiHashOrdered(multiHashOrdered(multiHashOrdered(Arrays.hashCode(digest), username.hashCode()), realm.hashCode()), algorithm.hashCode());
}
public boolean equals(final Object obj) {
if (! (obj instanceof DigestPasswordImpl)) {
return false;
}
DigestPasswordImpl other = (DigestPasswordImpl) obj;
return Arrays.equals(digest, other.digest) && username.equals(other.username) && realm.equals(other.realm) && algorithm.equals(other.algorithm);
}
private void readObject(ObjectInputStream ignored) throws NotSerializableException {
throw new NotSerializableException();
}
Object writeReplace() {
return DigestPassword.createRaw(algorithm, username, realm, digest);
}
public DigestPasswordImpl clone() {
return this;
}
}