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8187443: Forest Consolidation: Move files to unified layout
Reviewed-by: darcy, ihse
This commit is contained in:
Erik Joelsson
parent
270fe13182
commit
3789983e89
56923 changed files with 3 additions and 15727 deletions
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/*
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* Copyright (c) 2005, 2017, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package com.sun.crypto.provider;
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import java.io.ObjectStreamException;
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import java.nio.ByteBuffer;
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import java.nio.CharBuffer;
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import java.nio.charset.Charset;
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import java.util.Arrays;
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import java.util.Locale;
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import java.security.MessageDigest;
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import java.security.KeyRep;
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import java.security.GeneralSecurityException;
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import java.security.NoSuchAlgorithmException;
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import java.security.spec.InvalidKeySpecException;
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import javax.crypto.Mac;
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import javax.crypto.SecretKey;
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import javax.crypto.spec.PBEKeySpec;
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import jdk.internal.ref.CleanerFactory;
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/**
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* This class represents a PBE key derived using PBKDF2 defined
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* in PKCS#5 v2.0. meaning that
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* 1) the password must consist of characters which will be converted
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* to bytes using UTF-8 character encoding.
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* 2) salt, iteration count, and to be derived key length are supplied
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*
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* @author Valerie Peng
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*
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*/
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final class PBKDF2KeyImpl implements javax.crypto.interfaces.PBEKey {
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static final long serialVersionUID = -2234868909660948157L;
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private char[] passwd;
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private byte[] salt;
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private int iterCount;
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private byte[] key;
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private Mac prf;
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private static byte[] getPasswordBytes(char[] passwd) {
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Charset utf8 = Charset.forName("UTF-8");
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CharBuffer cb = CharBuffer.wrap(passwd);
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ByteBuffer bb = utf8.encode(cb);
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int len = bb.limit();
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byte[] passwdBytes = new byte[len];
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bb.get(passwdBytes, 0, len);
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return passwdBytes;
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}
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/**
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* Creates a PBE key from a given PBE key specification.
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*
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* @param keySpec the given PBE key specification
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* @param prfAlgo the given PBE key algorithm
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*/
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PBKDF2KeyImpl(PBEKeySpec keySpec, String prfAlgo)
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throws InvalidKeySpecException {
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char[] passwd = keySpec.getPassword();
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if (passwd == null) {
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// Should allow an empty password.
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this.passwd = new char[0];
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} else {
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this.passwd = passwd.clone();
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}
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// Convert the password from char[] to byte[]
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byte[] passwdBytes = getPasswordBytes(this.passwd);
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this.salt = keySpec.getSalt();
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if (salt == null) {
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throw new InvalidKeySpecException("Salt not found");
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}
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this.iterCount = keySpec.getIterationCount();
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if (iterCount == 0) {
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throw new InvalidKeySpecException("Iteration count not found");
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} else if (iterCount < 0) {
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throw new InvalidKeySpecException("Iteration count is negative");
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}
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int keyLength = keySpec.getKeyLength();
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if (keyLength == 0) {
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throw new InvalidKeySpecException("Key length not found");
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} else if (keyLength < 0) {
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throw new InvalidKeySpecException("Key length is negative");
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}
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try {
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this.prf = Mac.getInstance(prfAlgo);
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// SunPKCS11 requires a non-empty PBE password
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if (passwdBytes.length == 0 &&
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this.prf.getProvider().getName().startsWith("SunPKCS11")) {
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this.prf = Mac.getInstance(prfAlgo, SunJCE.getInstance());
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}
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} catch (NoSuchAlgorithmException nsae) {
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// not gonna happen; re-throw just in case
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InvalidKeySpecException ike = new InvalidKeySpecException();
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ike.initCause(nsae);
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throw ike;
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}
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this.key = deriveKey(prf, passwdBytes, salt, iterCount, keyLength);
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// Use the cleaner to zero the key when no longer referenced
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final byte[] k = this.key;
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final char[] p = this.passwd;
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CleanerFactory.cleaner().register(this,
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() -> {
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java.util.Arrays.fill(k, (byte)0x00);
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java.util.Arrays.fill(p, '0');
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});
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}
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private static byte[] deriveKey(final Mac prf, final byte[] password,
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byte[] salt, int iterCount, int keyLengthInBit) {
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int keyLength = keyLengthInBit/8;
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byte[] key = new byte[keyLength];
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try {
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int hlen = prf.getMacLength();
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int intL = (keyLength + hlen - 1)/hlen; // ceiling
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int intR = keyLength - (intL - 1)*hlen; // residue
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byte[] ui = new byte[hlen];
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byte[] ti = new byte[hlen];
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// SecretKeySpec cannot be used, since password can be empty here.
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SecretKey macKey = new SecretKey() {
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private static final long serialVersionUID = 7874493593505141603L;
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@Override
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public String getAlgorithm() {
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return prf.getAlgorithm();
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}
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@Override
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public String getFormat() {
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return "RAW";
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}
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@Override
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public byte[] getEncoded() {
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return password;
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}
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@Override
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public int hashCode() {
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return Arrays.hashCode(password) * 41 +
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prf.getAlgorithm().toLowerCase(Locale.ENGLISH).hashCode();
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}
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@Override
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public boolean equals(Object obj) {
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if (this == obj) return true;
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if (this.getClass() != obj.getClass()) return false;
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SecretKey sk = (SecretKey)obj;
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return prf.getAlgorithm().equalsIgnoreCase(
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sk.getAlgorithm()) &&
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MessageDigest.isEqual(password, sk.getEncoded());
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}
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};
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prf.init(macKey);
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byte[] ibytes = new byte[4];
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for (int i = 1; i <= intL; i++) {
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prf.update(salt);
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ibytes[3] = (byte) i;
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ibytes[2] = (byte) ((i >> 8) & 0xff);
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ibytes[1] = (byte) ((i >> 16) & 0xff);
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ibytes[0] = (byte) ((i >> 24) & 0xff);
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prf.update(ibytes);
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prf.doFinal(ui, 0);
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System.arraycopy(ui, 0, ti, 0, ui.length);
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for (int j = 2; j <= iterCount; j++) {
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prf.update(ui);
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prf.doFinal(ui, 0);
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// XOR the intermediate Ui's together.
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for (int k = 0; k < ui.length; k++) {
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ti[k] ^= ui[k];
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}
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}
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if (i == intL) {
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System.arraycopy(ti, 0, key, (i-1)*hlen, intR);
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} else {
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System.arraycopy(ti, 0, key, (i-1)*hlen, hlen);
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}
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}
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} catch (GeneralSecurityException gse) {
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throw new RuntimeException("Error deriving PBKDF2 keys");
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}
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return key;
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}
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public byte[] getEncoded() {
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return key.clone();
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}
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public String getAlgorithm() {
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return "PBKDF2With" + prf.getAlgorithm();
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}
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public int getIterationCount() {
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return iterCount;
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}
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public char[] getPassword() {
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return passwd.clone();
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}
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public byte[] getSalt() {
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return salt.clone();
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}
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public String getFormat() {
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return "RAW";
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}
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/**
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* Calculates a hash code value for the object.
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* Objects that are equal will also have the same hashcode.
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*/
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public int hashCode() {
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int retval = 0;
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for (int i = 1; i < this.key.length; i++) {
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retval += this.key[i] * i;
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}
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return(retval ^= getAlgorithm().toLowerCase(Locale.ENGLISH).hashCode());
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}
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public boolean equals(Object obj) {
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if (obj == this)
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return true;
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if (!(obj instanceof SecretKey))
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return false;
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SecretKey that = (SecretKey) obj;
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if (!(that.getAlgorithm().equalsIgnoreCase(getAlgorithm())))
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return false;
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if (!(that.getFormat().equalsIgnoreCase("RAW")))
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return false;
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byte[] thatEncoded = that.getEncoded();
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boolean ret = MessageDigest.isEqual(key, that.getEncoded());
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java.util.Arrays.fill(thatEncoded, (byte)0x00);
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return ret;
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}
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/**
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* Replace the PBE key to be serialized.
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*
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* @return the standard KeyRep object to be serialized
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*
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* @throws ObjectStreamException if a new object representing
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* this PBE key could not be created
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*/
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private Object writeReplace() throws ObjectStreamException {
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return new KeyRep(KeyRep.Type.SECRET, getAlgorithm(),
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getFormat(), getEncoded());
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}
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}
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