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/*
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* Copyright (c) 2003, 2018, 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 sun.security.ssl;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.nio.ByteBuffer;
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import java.security.MessageDigest;
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import java.util.Arrays;
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import java.util.LinkedList;
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import javax.crypto.SecretKey;
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import sun.security.util.MessageDigestSpi2;
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final class HandshakeHash {
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private TranscriptHash transcriptHash;
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private LinkedList<byte[]> reserves; // one handshake message per entry
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private boolean hasBeenUsed;
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HandshakeHash() {
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this.transcriptHash = new CacheOnlyHash();
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this.reserves = new LinkedList<>();
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this.hasBeenUsed = false;
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}
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// fix the negotiated protocol version and cipher suite
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void determine(ProtocolVersion protocolVersion,
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CipherSuite cipherSuite) {
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if (!(transcriptHash instanceof CacheOnlyHash)) {
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throw new IllegalStateException(
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"Not expected instance of transcript hash");
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}
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CacheOnlyHash coh = (CacheOnlyHash)transcriptHash;
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if (protocolVersion.useTLS13PlusSpec()) {
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transcriptHash = new T13HandshakeHash(cipherSuite);
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} else if (protocolVersion.useTLS12PlusSpec()) {
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transcriptHash = new T12HandshakeHash(cipherSuite);
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} else if (protocolVersion.useTLS10PlusSpec()) {
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transcriptHash = new T10HandshakeHash(cipherSuite);
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} else {
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transcriptHash = new S30HandshakeHash(cipherSuite);
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}
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byte[] reserved = coh.baos.toByteArray();
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if (reserved.length != 0) {
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transcriptHash.update(reserved, 0, reserved.length);
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}
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}
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HandshakeHash copy() {
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if (transcriptHash instanceof CacheOnlyHash) {
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HandshakeHash result = new HandshakeHash();
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result.transcriptHash = ((CacheOnlyHash)transcriptHash).copy();
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result.reserves = new LinkedList<>(reserves);
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result.hasBeenUsed = hasBeenUsed;
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return result;
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} else {
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throw new IllegalStateException("Hash does not support copying");
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}
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}
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void receive(byte[] input) {
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reserves.add(Arrays.copyOf(input, input.length));
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}
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void receive(byte[] input, int offset, int length) {
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reserves.add(Arrays.copyOfRange(input, offset, offset + length));
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}
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void receive(ByteBuffer input, int length) {
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if (input.hasArray()) {
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int from = input.position() + input.arrayOffset();
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int to = from + length;
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reserves.add(Arrays.copyOfRange(input.array(), from, to));
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} else {
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int inPos = input.position();
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byte[] holder = new byte[length];
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input.get(holder);
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input.position(inPos);
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reserves.add(Arrays.copyOf(holder, holder.length));
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}
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}
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void receive(ByteBuffer input) {
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receive(input, input.remaining());
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}
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// For HelloRetryRequest only! Please use this method very carefully!
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void push(byte[] input) {
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reserves.push(Arrays.copyOf(input, input.length));
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}
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// For PreSharedKey to modify the state of the PSK binder hash
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byte[] removeLastReceived() {
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return reserves.removeLast();
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}
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void deliver(byte[] input) {
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update();
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transcriptHash.update(input, 0, input.length);
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}
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void deliver(byte[] input, int offset, int length) {
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update();
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transcriptHash.update(input, offset, length);
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}
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void deliver(ByteBuffer input) {
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update();
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if (input.hasArray()) {
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transcriptHash.update(input.array(),
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input.position() + input.arrayOffset(), input.remaining());
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} else {
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int inPos = input.position();
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byte[] holder = new byte[input.remaining()];
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input.get(holder);
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input.position(inPos);
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transcriptHash.update(holder, 0, holder.length);
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}
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}
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// Use one handshake message if it has not been used.
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void utilize() {
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if (hasBeenUsed) {
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return;
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}
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if (reserves.size() != 0) {
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byte[] holder = reserves.remove();
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transcriptHash.update(holder, 0, holder.length);
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hasBeenUsed = true;
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}
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}
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// Consume one handshake message if it has not been consumed.
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void consume() {
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if (hasBeenUsed) {
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hasBeenUsed = false;
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return;
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}
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if (reserves.size() != 0) {
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byte[] holder = reserves.remove();
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transcriptHash.update(holder, 0, holder.length);
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}
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}
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void update() {
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while (reserves.size() != 0) {
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byte[] holder = reserves.remove();
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transcriptHash.update(holder, 0, holder.length);
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}
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hasBeenUsed = false;
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}
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byte[] digest() {
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// Note that the reserve handshake message may be not a part of
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// the expected digest.
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return transcriptHash.digest();
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}
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void finish() {
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this.transcriptHash = new CacheOnlyHash();
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this.reserves = new LinkedList<>();
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this.hasBeenUsed = false;
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}
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// Optional
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byte[] archived() {
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// Note that the reserve handshake message may be not a part of
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// the expected digest.
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return transcriptHash.archived();
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}
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// Optional, TLS 1.0/1.1 only
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byte[] digest(String algorithm) {
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T10HandshakeHash hh = (T10HandshakeHash)transcriptHash;
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return hh.digest(algorithm);
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}
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// Optional, SSL 3.0 only
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byte[] digest(String algorithm, SecretKey masterSecret) {
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S30HandshakeHash hh = (S30HandshakeHash)transcriptHash;
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return hh.digest(algorithm, masterSecret);
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}
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// Optional, SSL 3.0 only
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byte[] digest(boolean useClientLabel, SecretKey masterSecret) {
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S30HandshakeHash hh = (S30HandshakeHash)transcriptHash;
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return hh.digest(useClientLabel, masterSecret);
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}
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public boolean isHashable(byte handshakeType) {
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return handshakeType != SSLHandshake.HELLO_REQUEST.id &&
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handshakeType != SSLHandshake.HELLO_VERIFY_REQUEST.id;
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}
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interface TranscriptHash {
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void update(byte[] input, int offset, int length);
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byte[] digest();
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byte[] archived(); // optional
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}
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// For cache only.
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private static final class CacheOnlyHash implements TranscriptHash {
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private final ByteArrayOutputStream baos;
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CacheOnlyHash() {
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this.baos = new ByteArrayOutputStream();
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}
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@Override
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public void update(byte[] input, int offset, int length) {
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baos.write(input, offset, length);
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}
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@Override
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public byte[] digest() {
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throw new IllegalStateException(
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"Not expected call to handshake hash digest");
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}
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@Override
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public byte[] archived() {
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return baos.toByteArray();
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}
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CacheOnlyHash copy() {
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CacheOnlyHash result = new CacheOnlyHash();
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try {
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baos.writeTo(result.baos);
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} catch (IOException ex) {
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throw new RuntimeException("unable to to clone hash state");
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}
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return result;
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}
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}
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static final class S30HandshakeHash implements TranscriptHash {
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static final byte[] MD5_pad1 = genPad(0x36, 48);
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static final byte[] MD5_pad2 = genPad(0x5c, 48);
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static final byte[] SHA_pad1 = genPad(0x36, 40);
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static final byte[] SHA_pad2 = genPad(0x5c, 40);
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private static final byte[] SSL_CLIENT = { 0x43, 0x4C, 0x4E, 0x54 };
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private static final byte[] SSL_SERVER = { 0x53, 0x52, 0x56, 0x52 };
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private final MessageDigest mdMD5;
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private final MessageDigest mdSHA;
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private final TranscriptHash md5;
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private final TranscriptHash sha;
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private final ByteArrayOutputStream baos;
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S30HandshakeHash(CipherSuite cipherSuite) {
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this.mdMD5 = JsseJce.getMessageDigest("MD5");
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this.mdSHA = JsseJce.getMessageDigest("SHA");
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boolean hasArchived = false;
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if (mdMD5 instanceof Cloneable) {
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md5 = new CloneableHash(mdMD5);
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} else {
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hasArchived = true;
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md5 = new NonCloneableHash(mdMD5);
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}
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if (mdSHA instanceof Cloneable) {
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sha = new CloneableHash(mdSHA);
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} else {
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hasArchived = true;
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sha = new NonCloneableHash(mdSHA);
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}
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if (hasArchived) {
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this.baos = null;
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} else {
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this.baos = new ByteArrayOutputStream();
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}
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}
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@Override
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public void update(byte[] input, int offset, int length) {
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md5.update(input, offset, length);
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sha.update(input, offset, length);
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if (baos != null) {
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baos.write(input, offset, length);
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}
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}
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@Override
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public byte[] digest() {
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byte[] digest = new byte[36];
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System.arraycopy(md5.digest(), 0, digest, 0, 16);
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System.arraycopy(sha.digest(), 0, digest, 16, 20);
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return digest;
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}
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@Override
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public byte[] archived() {
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if (baos != null) {
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return baos.toByteArray();
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} else if (md5 instanceof NonCloneableHash) {
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return md5.archived();
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} else {
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return sha.archived();
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}
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}
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byte[] digest(boolean useClientLabel, SecretKey masterSecret) {
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MessageDigest md5Clone = cloneMd5();
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331 |
MessageDigest shaClone = cloneSha();
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332 |
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if (useClientLabel) {
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md5Clone.update(SSL_CLIENT);
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shaClone.update(SSL_CLIENT);
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} else {
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md5Clone.update(SSL_SERVER);
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shaClone.update(SSL_SERVER);
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}
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340 |
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updateDigest(md5Clone, MD5_pad1, MD5_pad2, masterSecret);
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342 |
updateDigest(shaClone, SHA_pad1, SHA_pad2, masterSecret);
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343 |
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byte[] digest = new byte[36];
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345 |
System.arraycopy(md5Clone.digest(), 0, digest, 0, 16);
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System.arraycopy(shaClone.digest(), 0, digest, 16, 20);
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347 |
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return digest;
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}
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350 |
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351 |
byte[] digest(String algorithm, SecretKey masterSecret) {
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if ("RSA".equalsIgnoreCase(algorithm)) {
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MessageDigest md5Clone = cloneMd5();
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MessageDigest shaClone = cloneSha();
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updateDigest(md5Clone, MD5_pad1, MD5_pad2, masterSecret);
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updateDigest(shaClone, SHA_pad1, SHA_pad2, masterSecret);
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357 |
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byte[] digest = new byte[36];
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359 |
System.arraycopy(md5Clone.digest(), 0, digest, 0, 16);
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System.arraycopy(shaClone.digest(), 0, digest, 16, 20);
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361 |
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362 |
return digest;
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363 |
} else {
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364 |
MessageDigest shaClone = cloneSha();
|
|
365 |
updateDigest(shaClone, SHA_pad1, SHA_pad2, masterSecret);
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366 |
return shaClone.digest();
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367 |
}
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368 |
}
|
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369 |
|
|
370 |
private static byte[] genPad(int b, int count) {
|
|
371 |
byte[] padding = new byte[count];
|
|
372 |
Arrays.fill(padding, (byte)b);
|
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373 |
return padding;
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374 |
}
|
|
375 |
|
|
376 |
private MessageDigest cloneMd5() {
|
|
377 |
MessageDigest md5Clone;
|
|
378 |
if (mdMD5 instanceof Cloneable) {
|
|
379 |
try {
|
|
380 |
md5Clone = (MessageDigest)mdMD5.clone();
|
|
381 |
} catch (CloneNotSupportedException ex) { // unlikely
|
|
382 |
throw new RuntimeException(
|
|
383 |
"MessageDigest does no support clone operation");
|
|
384 |
}
|
|
385 |
} else {
|
|
386 |
md5Clone = JsseJce.getMessageDigest("MD5");
|
|
387 |
md5Clone.update(md5.archived());
|
|
388 |
}
|
|
389 |
|
|
390 |
return md5Clone;
|
|
391 |
}
|
|
392 |
|
|
393 |
private MessageDigest cloneSha() {
|
|
394 |
MessageDigest shaClone;
|
|
395 |
if (mdSHA instanceof Cloneable) {
|
|
396 |
try {
|
|
397 |
shaClone = (MessageDigest)mdSHA.clone();
|
|
398 |
} catch (CloneNotSupportedException ex) { // unlikely
|
|
399 |
throw new RuntimeException(
|
|
400 |
"MessageDigest does no support clone operation");
|
|
401 |
}
|
|
402 |
} else {
|
|
403 |
shaClone = JsseJce.getMessageDigest("SHA");
|
|
404 |
shaClone.update(sha.archived());
|
|
405 |
}
|
|
406 |
|
|
407 |
return shaClone;
|
|
408 |
}
|
|
409 |
|
|
410 |
private static void updateDigest(MessageDigest md,
|
|
411 |
byte[] pad1, byte[] pad2, SecretKey masterSecret) {
|
|
412 |
byte[] keyBytes = "RAW".equals(masterSecret.getFormat())
|
|
413 |
? masterSecret.getEncoded() : null;
|
|
414 |
if (keyBytes != null) {
|
|
415 |
md.update(keyBytes);
|
|
416 |
} else {
|
|
417 |
digestKey(md, masterSecret);
|
|
418 |
}
|
|
419 |
md.update(pad1);
|
|
420 |
byte[] temp = md.digest();
|
|
421 |
|
|
422 |
if (keyBytes != null) {
|
|
423 |
md.update(keyBytes);
|
|
424 |
} else {
|
|
425 |
digestKey(md, masterSecret);
|
|
426 |
}
|
|
427 |
md.update(pad2);
|
|
428 |
md.update(temp);
|
7043
|
429 |
}
|
|
430 |
|
56542
|
431 |
private static void digestKey(MessageDigest md, SecretKey key) {
|
|
432 |
try {
|
|
433 |
if (md instanceof MessageDigestSpi2) {
|
|
434 |
((MessageDigestSpi2)md).engineUpdate(key);
|
|
435 |
} else {
|
|
436 |
throw new Exception(
|
|
437 |
"Digest does not support implUpdate(SecretKey)");
|
|
438 |
}
|
|
439 |
} catch (Exception e) {
|
|
440 |
throw new RuntimeException(
|
|
441 |
"Could not obtain encoded key and "
|
|
442 |
+ "MessageDigest cannot digest key", e);
|
|
443 |
}
|
|
444 |
}
|
|
445 |
}
|
|
446 |
|
|
447 |
// TLS 1.0 and TLS 1.1
|
|
448 |
static final class T10HandshakeHash implements TranscriptHash {
|
|
449 |
private final TranscriptHash md5;
|
|
450 |
private final TranscriptHash sha;
|
|
451 |
private final ByteArrayOutputStream baos;
|
|
452 |
|
|
453 |
T10HandshakeHash(CipherSuite cipherSuite) {
|
|
454 |
MessageDigest mdMD5 = JsseJce.getMessageDigest("MD5");
|
|
455 |
MessageDigest mdSHA = JsseJce.getMessageDigest("SHA");
|
|
456 |
|
|
457 |
boolean hasArchived = false;
|
|
458 |
if (mdMD5 instanceof Cloneable) {
|
|
459 |
md5 = new CloneableHash(mdMD5);
|
|
460 |
} else {
|
|
461 |
hasArchived = true;
|
|
462 |
md5 = new NonCloneableHash(mdMD5);
|
|
463 |
}
|
|
464 |
if (mdSHA instanceof Cloneable) {
|
|
465 |
sha = new CloneableHash(mdSHA);
|
|
466 |
} else {
|
|
467 |
hasArchived = true;
|
|
468 |
sha = new NonCloneableHash(mdSHA);
|
|
469 |
}
|
7043
|
470 |
|
56542
|
471 |
if (hasArchived) {
|
|
472 |
this.baos = null;
|
|
473 |
} else {
|
|
474 |
this.baos = new ByteArrayOutputStream();
|
|
475 |
}
|
|
476 |
}
|
|
477 |
|
|
478 |
@Override
|
|
479 |
public void update(byte[] input, int offset, int length) {
|
|
480 |
md5.update(input, offset, length);
|
|
481 |
sha.update(input, offset, length);
|
|
482 |
if (baos != null) {
|
|
483 |
baos.write(input, offset, length);
|
|
484 |
}
|
7043
|
485 |
}
|
56542
|
486 |
|
|
487 |
@Override
|
|
488 |
public byte[] digest() {
|
|
489 |
byte[] digest = new byte[36];
|
|
490 |
System.arraycopy(md5.digest(), 0, digest, 0, 16);
|
|
491 |
System.arraycopy(sha.digest(), 0, digest, 16, 20);
|
|
492 |
|
|
493 |
return digest;
|
|
494 |
}
|
|
495 |
|
|
496 |
byte[] digest(String algorithm) {
|
|
497 |
if ("RSA".equalsIgnoreCase(algorithm)) {
|
|
498 |
return digest();
|
|
499 |
} else {
|
|
500 |
return sha.digest();
|
|
501 |
}
|
|
502 |
}
|
|
503 |
|
|
504 |
@Override
|
|
505 |
public byte[] archived() {
|
|
506 |
if (baos != null) {
|
|
507 |
return baos.toByteArray();
|
|
508 |
} else if (md5 instanceof NonCloneableHash) {
|
|
509 |
return md5.archived();
|
|
510 |
} else {
|
|
511 |
return sha.archived();
|
|
512 |
}
|
|
513 |
}
|
7043
|
514 |
}
|
|
515 |
|
56542
|
516 |
static final class T12HandshakeHash implements TranscriptHash {
|
|
517 |
private final TranscriptHash transcriptHash;
|
|
518 |
private final ByteArrayOutputStream baos;
|
|
519 |
|
|
520 |
T12HandshakeHash(CipherSuite cipherSuite) {
|
|
521 |
MessageDigest md =
|
|
522 |
JsseJce.getMessageDigest(cipherSuite.hashAlg.name);
|
|
523 |
if (md instanceof Cloneable) {
|
|
524 |
transcriptHash = new CloneableHash(md);
|
|
525 |
this.baos = null;
|
|
526 |
} else {
|
|
527 |
transcriptHash = new NonCloneableHash(md);
|
|
528 |
this.baos = new ByteArrayOutputStream();
|
|
529 |
}
|
|
530 |
}
|
|
531 |
|
|
532 |
@Override
|
|
533 |
public void update(byte[] input, int offset, int length) {
|
|
534 |
transcriptHash.update(input, offset, length);
|
|
535 |
if (baos != null) {
|
|
536 |
baos.write(input, offset, length);
|
|
537 |
}
|
|
538 |
}
|
|
539 |
|
|
540 |
@Override
|
|
541 |
public byte[] digest() {
|
|
542 |
return transcriptHash.digest();
|
|
543 |
}
|
|
544 |
|
|
545 |
@Override
|
|
546 |
public byte[] archived() {
|
|
547 |
if (baos != null) {
|
|
548 |
return baos.toByteArray();
|
|
549 |
} else {
|
|
550 |
return transcriptHash.archived();
|
|
551 |
}
|
|
552 |
}
|
7043
|
553 |
}
|
|
554 |
|
56542
|
555 |
static final class T13HandshakeHash implements TranscriptHash {
|
|
556 |
private final TranscriptHash transcriptHash;
|
|
557 |
private final ByteArrayOutputStream baos;
|
|
558 |
|
|
559 |
T13HandshakeHash(CipherSuite cipherSuite) {
|
|
560 |
MessageDigest md =
|
|
561 |
JsseJce.getMessageDigest(cipherSuite.hashAlg.name);
|
|
562 |
if (md instanceof Cloneable) {
|
|
563 |
transcriptHash = new CloneableHash(md);
|
|
564 |
this.baos = null;
|
|
565 |
} else {
|
|
566 |
transcriptHash = new NonCloneableHash(md);
|
|
567 |
this.baos = new ByteArrayOutputStream();
|
|
568 |
}
|
|
569 |
}
|
|
570 |
|
|
571 |
@Override
|
|
572 |
public void update(byte[] input, int offset, int length) {
|
|
573 |
transcriptHash.update(input, offset, length);
|
|
574 |
if (baos != null) {
|
|
575 |
baos.write(input, offset, length);
|
|
576 |
}
|
|
577 |
}
|
|
578 |
|
|
579 |
@Override
|
|
580 |
public byte[] digest() {
|
|
581 |
return transcriptHash.digest();
|
|
582 |
}
|
|
583 |
|
|
584 |
@Override
|
|
585 |
public byte[] archived() {
|
|
586 |
if (baos != null) {
|
|
587 |
return baos.toByteArray();
|
|
588 |
} else {
|
|
589 |
return transcriptHash.archived();
|
|
590 |
}
|
|
591 |
|
|
592 |
// throw new UnsupportedOperationException("Not supported yet.");
|
|
593 |
}
|
|
594 |
}
|
|
595 |
|
|
596 |
static final class CloneableHash implements TranscriptHash {
|
|
597 |
private final MessageDigest md;
|
|
598 |
|
|
599 |
CloneableHash(MessageDigest md) {
|
|
600 |
this.md = md;
|
|
601 |
}
|
|
602 |
|
|
603 |
@Override
|
|
604 |
public void update(byte[] input, int offset, int length) {
|
|
605 |
md.update(input, offset, length);
|
|
606 |
}
|
|
607 |
|
|
608 |
@Override
|
|
609 |
public byte[] digest() {
|
|
610 |
try {
|
|
611 |
return ((MessageDigest)md.clone()).digest();
|
|
612 |
} catch (CloneNotSupportedException ex) {
|
|
613 |
// unlikely
|
|
614 |
return new byte[0];
|
|
615 |
}
|
|
616 |
}
|
|
617 |
|
|
618 |
@Override
|
|
619 |
public byte[] archived() {
|
|
620 |
throw new UnsupportedOperationException("Not supported yet.");
|
|
621 |
}
|
|
622 |
}
|
|
623 |
|
|
624 |
static final class NonCloneableHash implements TranscriptHash {
|
|
625 |
private final MessageDigest md;
|
|
626 |
private final ByteArrayOutputStream baos = new ByteArrayOutputStream();
|
|
627 |
|
|
628 |
NonCloneableHash(MessageDigest md) {
|
|
629 |
this.md = md;
|
|
630 |
}
|
|
631 |
|
|
632 |
@Override
|
|
633 |
public void update(byte[] input, int offset, int length) {
|
|
634 |
baos.write(input, offset, length);
|
|
635 |
}
|
|
636 |
|
|
637 |
@Override
|
|
638 |
public byte[] digest() {
|
|
639 |
byte[] bytes = baos.toByteArray();
|
|
640 |
md.reset();
|
|
641 |
return md.digest(bytes);
|
|
642 |
}
|
|
643 |
|
|
644 |
@Override
|
|
645 |
public byte[] archived() {
|
|
646 |
return baos.toByteArray();
|
7043
|
647 |
}
|
|
648 |
}
|
2
|
649 |
}
|