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8196584: TLS 1.3 Implementation
Co-authored-by: Adam Petcher <adam.petcher@oracle.com> Co-authored-by: Amanda Jiang <amanda.jiang@oracle.com> Co-authored-by: Anthony Scarpino <anthony.scarpino@oracle.com> Co-authored-by: Bradford Wetmore <bradford.wetmore@oracle.com> Co-authored-by: Jamil Nimeh <jamil.j.nimeh@oracle.com> Co-authored-by: John Jiang <sha.jiang@oracle.com> Co-authored-by: Rajan Halade <rajan.halade@oracle.com> Co-authored-by: Sibabrata Sahoo <sibabrata.sahoo@oracle.com> Co-authored-by: Valerie Peng <valerie.peng@oracle.com> Co-authored-by: Weijun Wang <weijun.wang@oracle.com> Reviewed-by: ascarpino, coffeys, dfuchs, jjiang, jnimeh, mullan, rhalade, ssahoo, valeriep, weijun, wetmore, xuelei
This commit is contained in:
Xue-Lei Andrew Fan
parent
c7c819cd8b
commit
87c6761704
262 changed files with 44368 additions and 32552 deletions
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@ -1,5 +1,5 @@
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/*
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* Copyright (c) 1996, 2016, Oracle and/or its affiliates. All rights reserved.
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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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@ -23,247 +23,299 @@
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* questions.
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*/
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package sun.security.ssl;
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import java.io.*;
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import java.security.*;
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import javax.crypto.*;
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import javax.net.ssl.*;
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import sun.security.internal.spec.TlsRsaPremasterSecretParameterSpec;
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import sun.security.util.KeyUtil;
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import java.io.IOException;
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import java.nio.ByteBuffer;
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import java.security.GeneralSecurityException;
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import java.security.PrivateKey;
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import java.security.PublicKey;
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import java.text.MessageFormat;
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import java.util.Locale;
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import javax.crypto.SecretKey;
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import sun.security.ssl.RSAKeyExchange.EphemeralRSACredentials;
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import sun.security.ssl.RSAKeyExchange.EphemeralRSAPossession;
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import sun.security.ssl.RSAKeyExchange.RSAPremasterSecret;
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import sun.security.ssl.SSLHandshake.HandshakeMessage;
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import sun.security.ssl.X509Authentication.X509Credentials;
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import sun.security.ssl.X509Authentication.X509Possession;
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import sun.security.util.HexDumpEncoder;
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/**
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* This is the client key exchange message (CLIENT --> SERVER) used with
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* all RSA key exchanges; it holds the RSA-encrypted pre-master secret.
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*
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* The message is encrypted using PKCS #1 block type 02 encryption with the
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* server's public key. The padding and resulting message size is a function
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* of this server's public key modulus size, but the pre-master secret is
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* always exactly 48 bytes.
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*
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* Pack of the "ClientKeyExchange" handshake message.
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*/
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final class RSAClientKeyExchange extends HandshakeMessage {
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final class RSAClientKeyExchange {
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static final SSLConsumer rsaHandshakeConsumer =
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new RSAClientKeyExchangeConsumer();
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static final HandshakeProducer rsaHandshakeProducer =
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new RSAClientKeyExchangeProducer();
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/*
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* The following field values were encrypted with the server's public
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* key (or temp key from server key exchange msg) and are presented
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* here in DECRYPTED form.
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/**
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* The RSA ClientKeyExchange handshake message.
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*/
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private ProtocolVersion protocolVersion; // preMaster [0,1]
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SecretKey preMaster;
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private byte[] encrypted; // same size as public modulus
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private static final
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class RSAClientKeyExchangeMessage extends HandshakeMessage {
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final int protocolVersion;
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final boolean useTLS10PlusSpec;
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final byte[] encrypted;
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/*
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* Client randomly creates a pre-master secret and encrypts it
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* using the server's RSA public key; only the server can decrypt
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* it, using its RSA private key. Result is the same size as the
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* server's public key, and uses PKCS #1 block format 02.
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*/
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@SuppressWarnings("deprecation")
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RSAClientKeyExchange(ProtocolVersion protocolVersion,
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ProtocolVersion maxVersion,
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SecureRandom generator, PublicKey publicKey) throws IOException {
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if (publicKey.getAlgorithm().equals("RSA") == false) {
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throw new SSLKeyException("Public key not of type RSA: " +
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publicKey.getAlgorithm());
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RSAClientKeyExchangeMessage(HandshakeContext context,
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RSAPremasterSecret premaster,
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PublicKey publicKey) throws GeneralSecurityException {
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super(context);
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this.protocolVersion = context.clientHelloVersion;
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this.encrypted = premaster.getEncoded(
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publicKey, context.sslContext.getSecureRandom());
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this.useTLS10PlusSpec = ProtocolVersion.useTLS10PlusSpec(
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protocolVersion, context.sslContext.isDTLS());
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}
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this.protocolVersion = protocolVersion;
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try {
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String s = protocolVersion.useTLS12PlusSpec() ?
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"SunTls12RsaPremasterSecret" : "SunTlsRsaPremasterSecret";
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KeyGenerator kg = JsseJce.getKeyGenerator(s);
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kg.init(new TlsRsaPremasterSecretParameterSpec(
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maxVersion.v, protocolVersion.v), generator);
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preMaster = kg.generateKey();
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RSAClientKeyExchangeMessage(HandshakeContext context,
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ByteBuffer m) throws IOException {
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super(context);
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Cipher cipher = JsseJce.getCipher(JsseJce.CIPHER_RSA_PKCS1);
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cipher.init(Cipher.WRAP_MODE, publicKey, generator);
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encrypted = cipher.wrap(preMaster);
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} catch (GeneralSecurityException e) {
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throw (SSLKeyException)new SSLKeyException
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("RSA premaster secret error").initCause(e);
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}
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}
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/*
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* Retrieving the cipher's provider name for the debug purposes
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* can throw an exception by itself.
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*/
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private static String safeProviderName(Cipher cipher) {
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try {
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return cipher.getProvider().toString();
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} catch (Exception e) {
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if (debug != null && Debug.isOn("handshake")) {
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System.out.println("Retrieving The Cipher provider name" +
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" caused exception " + e.getMessage());
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if (m.remaining() < 2) {
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context.conContext.fatal(Alert.HANDSHAKE_FAILURE,
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"Invalid RSA ClientKeyExchange message: insufficient data");
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}
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}
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try {
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return cipher.toString() + " (provider name not available)";
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} catch (Exception e) {
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if (debug != null && Debug.isOn("handshake")) {
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System.out.println("Retrieving The Cipher name" +
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" caused exception " + e.getMessage());
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}
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}
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return "(cipher/provider names not available)";
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}
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/*
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* Server gets the PKCS #1 (block format 02) data, decrypts
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* it with its private key.
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*/
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@SuppressWarnings("deprecation")
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RSAClientKeyExchange(ProtocolVersion currentVersion,
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ProtocolVersion maxVersion,
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SecureRandom generator, HandshakeInStream input,
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int messageSize, PrivateKey privateKey) throws IOException {
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if (privateKey.getAlgorithm().equals("RSA") == false) {
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throw new SSLKeyException("Private key not of type RSA: " +
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privateKey.getAlgorithm());
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}
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if (currentVersion.useTLS10PlusSpec()) {
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encrypted = input.getBytes16();
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} else {
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encrypted = new byte [messageSize];
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if (input.read(encrypted) != messageSize) {
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throw new SSLProtocolException(
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"SSL: read PreMasterSecret: short read");
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this.protocolVersion = context.clientHelloVersion;
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this.useTLS10PlusSpec = ProtocolVersion.useTLS10PlusSpec(
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protocolVersion, context.sslContext.isDTLS());
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if (useTLS10PlusSpec) {
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this.encrypted = Record.getBytes16(m);
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} else { // SSL 3.0
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this.encrypted = new byte[m.remaining()];
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m.get(encrypted);
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}
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}
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byte[] encoded = null;
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try {
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boolean needFailover = false;
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Cipher cipher = JsseJce.getCipher(JsseJce.CIPHER_RSA_PKCS1);
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try {
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// Try UNWRAP_MODE mode firstly.
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cipher.init(Cipher.UNWRAP_MODE, privateKey,
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new TlsRsaPremasterSecretParameterSpec(
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maxVersion.v, currentVersion.v),
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generator);
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@Override
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public SSLHandshake handshakeType() {
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return SSLHandshake.CLIENT_KEY_EXCHANGE;
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}
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// The provider selection can be delayed, please don't call
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// any Cipher method before the call to Cipher.init().
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needFailover = !KeyUtil.isOracleJCEProvider(
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cipher.getProvider().getName());
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} catch (InvalidKeyException | UnsupportedOperationException iue) {
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if (debug != null && Debug.isOn("handshake")) {
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System.out.println("The Cipher provider "
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+ safeProviderName(cipher)
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+ " caused exception: " + iue.getMessage());
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}
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needFailover = true;
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}
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if (needFailover) {
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// The cipher might be spoiled by unsuccessful call to init(),
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// so request a fresh instance
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cipher = JsseJce.getCipher(JsseJce.CIPHER_RSA_PKCS1);
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// Use DECRYPT_MODE and dispose the previous initialization.
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cipher.init(Cipher.DECRYPT_MODE, privateKey);
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boolean failed = false;
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try {
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encoded = cipher.doFinal(encrypted);
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} catch (BadPaddingException bpe) {
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// Note: encoded == null
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failed = true;
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}
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encoded = KeyUtil.checkTlsPreMasterSecretKey(
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maxVersion.v, currentVersion.v,
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generator, encoded, failed);
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preMaster = generatePreMasterSecret(
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maxVersion.v, currentVersion.v,
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encoded, generator);
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@Override
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public int messageLength() {
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if (useTLS10PlusSpec) {
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return encrypted.length + 2;
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} else {
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// the cipher should have been initialized
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preMaster = (SecretKey)cipher.unwrap(encrypted,
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"TlsRsaPremasterSecret", Cipher.SECRET_KEY);
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return encrypted.length;
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}
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} catch (InvalidKeyException ibk) {
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// the message is too big to process with RSA
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throw new SSLException(
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"Unable to process PreMasterSecret", ibk);
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} catch (Exception e) {
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// unlikely to happen, otherwise, must be a provider exception
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if (debug != null && Debug.isOn("handshake")) {
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System.out.println("RSA premaster secret decryption error:");
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e.printStackTrace(System.out);
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}
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@Override
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public void send(HandshakeOutStream hos) throws IOException {
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if (useTLS10PlusSpec) {
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hos.putBytes16(encrypted);
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} else {
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hos.write(encrypted);
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}
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throw new RuntimeException("Could not generate dummy secret", e);
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}
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@Override
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public String toString() {
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MessageFormat messageFormat = new MessageFormat(
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"\"RSA ClientKeyExchange\": '{'\n" +
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" \"client_version\": {0}\n" +
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" \"encncrypted\": '{'\n" +
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"{1}\n" +
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" '}'\n" +
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"'}'",
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Locale.ENGLISH);
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HexDumpEncoder hexEncoder = new HexDumpEncoder();
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Object[] messageFields = {
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ProtocolVersion.nameOf(protocolVersion),
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Utilities.indent(
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hexEncoder.encodeBuffer(encrypted), " "),
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};
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return messageFormat.format(messageFields);
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}
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}
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// generate a premaster secret with the specified version number
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@SuppressWarnings("deprecation")
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private static SecretKey generatePreMasterSecret(
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int clientVersion, int serverVersion,
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byte[] encodedSecret, SecureRandom generator) {
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if (debug != null && Debug.isOn("handshake")) {
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System.out.println("Generating a premaster secret");
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/**
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* The RSA "ClientKeyExchange" handshake message producer.
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*/
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private static final
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class RSAClientKeyExchangeProducer implements HandshakeProducer {
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// Prevent instantiation of this class.
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private RSAClientKeyExchangeProducer() {
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// blank
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}
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try {
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String s = ((clientVersion >= ProtocolVersion.TLS12.v) ?
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"SunTls12RsaPremasterSecret" : "SunTlsRsaPremasterSecret");
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KeyGenerator kg = JsseJce.getKeyGenerator(s);
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kg.init(new TlsRsaPremasterSecretParameterSpec(
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clientVersion, serverVersion, encodedSecret),
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generator);
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return kg.generateKey();
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} catch (InvalidAlgorithmParameterException |
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NoSuchAlgorithmException iae) {
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// unlikely to happen, otherwise, must be a provider exception
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if (debug != null && Debug.isOn("handshake")) {
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System.out.println("RSA premaster secret generation error:");
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iae.printStackTrace(System.out);
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@Override
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public byte[] produce(ConnectionContext context,
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HandshakeMessage message) throws IOException {
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// This happens in client side only.
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ClientHandshakeContext chc = (ClientHandshakeContext)context;
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EphemeralRSACredentials rsaCredentials = null;
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X509Credentials x509Credentials = null;
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for (SSLCredentials credential : chc.handshakeCredentials) {
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if (credential instanceof EphemeralRSACredentials) {
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rsaCredentials = (EphemeralRSACredentials)credential;
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if (x509Credentials != null) {
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break;
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}
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} else if (credential instanceof X509Credentials) {
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x509Credentials = (X509Credentials)credential;
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if (rsaCredentials != null) {
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break;
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}
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}
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}
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throw new RuntimeException("Could not generate premaster secret", iae);
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if (rsaCredentials == null && x509Credentials == null) {
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chc.conContext.fatal(Alert.ILLEGAL_PARAMETER,
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"No RSA credentials negotiated for client key exchange");
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}
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PublicKey publicKey = (rsaCredentials != null) ?
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rsaCredentials.popPublicKey : x509Credentials.popPublicKey;
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if (!publicKey.getAlgorithm().equals("RSA")) { // unlikely
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chc.conContext.fatal(Alert.ILLEGAL_PARAMETER,
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"Not RSA public key for client key exchange");
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}
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RSAPremasterSecret premaster;
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RSAClientKeyExchangeMessage ckem;
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try {
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premaster = RSAPremasterSecret.createPremasterSecret(chc);
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chc.handshakePossessions.add(premaster);
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ckem = new RSAClientKeyExchangeMessage(
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chc, premaster, publicKey);
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} catch (GeneralSecurityException gse) {
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chc.conContext.fatal(Alert.ILLEGAL_PARAMETER,
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"Cannot generate RSA premaster secret", gse);
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return null; // make the compiler happy
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}
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if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
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SSLLogger.fine(
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"Produced RSA ClientKeyExchange handshake message", ckem);
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}
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// Output the handshake message.
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ckem.write(chc.handshakeOutput);
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chc.handshakeOutput.flush();
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// update the states
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SSLKeyExchange ke = SSLKeyExchange.valueOf(
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chc.negotiatedCipherSuite.keyExchange,
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chc.negotiatedProtocol);
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if (ke == null) { // unlikely
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chc.conContext.fatal(Alert.INTERNAL_ERROR,
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"Not supported key exchange type");
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} else {
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SSLKeyDerivation masterKD = ke.createKeyDerivation(chc);
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SecretKey masterSecret =
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masterKD.deriveKey("MasterSecret", null);
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// update the states
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chc.handshakeSession.setMasterSecret(masterSecret);
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SSLTrafficKeyDerivation kd =
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SSLTrafficKeyDerivation.valueOf(chc.negotiatedProtocol);
|
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if (kd == null) { // unlikely
|
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chc.conContext.fatal(Alert.INTERNAL_ERROR,
|
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"Not supported key derivation: " +
|
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chc.negotiatedProtocol);
|
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} else {
|
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chc.handshakeKeyDerivation =
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kd.createKeyDerivation(chc, masterSecret);
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}
|
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}
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|
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// The handshake message has been delivered.
|
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return null;
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}
|
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}
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|
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@Override
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int messageType() {
|
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return ht_client_key_exchange;
|
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}
|
||||
|
||||
@Override
|
||||
int messageLength() {
|
||||
if (protocolVersion.useTLS10PlusSpec()) {
|
||||
return encrypted.length + 2;
|
||||
} else {
|
||||
return encrypted.length;
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
void send(HandshakeOutStream s) throws IOException {
|
||||
if (protocolVersion.useTLS10PlusSpec()) {
|
||||
s.putBytes16(encrypted);
|
||||
} else {
|
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s.write(encrypted);
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
void print(PrintStream s) throws IOException {
|
||||
String version = "version not available/extractable";
|
||||
|
||||
byte[] ba = preMaster.getEncoded();
|
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if (ba != null && ba.length >= 2) {
|
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version = ProtocolVersion.valueOf(ba[0], ba[1]).name;
|
||||
/**
|
||||
* The RSA "ClientKeyExchange" handshake message consumer.
|
||||
*/
|
||||
private static final
|
||||
class RSAClientKeyExchangeConsumer implements SSLConsumer {
|
||||
// Prevent instantiation of this class.
|
||||
private RSAClientKeyExchangeConsumer() {
|
||||
// blank
|
||||
}
|
||||
|
||||
s.println("*** ClientKeyExchange, RSA PreMasterSecret, " + version);
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@Override
|
||||
public void consume(ConnectionContext context,
|
||||
ByteBuffer message) throws IOException {
|
||||
// The consuming happens in server side only.
|
||||
ServerHandshakeContext shc = (ServerHandshakeContext)context;
|
||||
|
||||
EphemeralRSAPossession rsaPossession = null;
|
||||
X509Possession x509Possession = null;
|
||||
for (SSLPossession possession : shc.handshakePossessions) {
|
||||
if (possession instanceof EphemeralRSAPossession) {
|
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rsaPossession = (EphemeralRSAPossession)possession;
|
||||
break;
|
||||
} else if (possession instanceof X509Possession) {
|
||||
x509Possession = (X509Possession)possession;
|
||||
if (rsaPossession != null) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (rsaPossession == null && x509Possession == null) { // unlikely
|
||||
shc.conContext.fatal(Alert.ILLEGAL_PARAMETER,
|
||||
"No RSA possessions negotiated for client key exchange");
|
||||
}
|
||||
|
||||
PrivateKey privateKey = (rsaPossession != null) ?
|
||||
rsaPossession.popPrivateKey : x509Possession.popPrivateKey;
|
||||
if (!privateKey.getAlgorithm().equals("RSA")) { // unlikely
|
||||
shc.conContext.fatal(Alert.ILLEGAL_PARAMETER,
|
||||
"Not RSA private key for client key exchange");
|
||||
}
|
||||
|
||||
RSAClientKeyExchangeMessage ckem =
|
||||
new RSAClientKeyExchangeMessage(shc, message);
|
||||
if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
|
||||
SSLLogger.fine(
|
||||
"Consuming RSA ClientKeyExchange handshake message", ckem);
|
||||
}
|
||||
|
||||
// create the credentials
|
||||
RSAPremasterSecret premaster;
|
||||
try {
|
||||
premaster =
|
||||
RSAPremasterSecret.decode(shc, privateKey, ckem.encrypted);
|
||||
shc.handshakeCredentials.add(premaster);
|
||||
} catch (GeneralSecurityException gse) {
|
||||
shc.conContext.fatal(Alert.ILLEGAL_PARAMETER,
|
||||
"Cannot decode RSA premaster secret", gse);
|
||||
}
|
||||
|
||||
// update the states
|
||||
SSLKeyExchange ke = SSLKeyExchange.valueOf(
|
||||
shc.negotiatedCipherSuite.keyExchange,
|
||||
shc.negotiatedProtocol);
|
||||
if (ke == null) { // unlikely
|
||||
shc.conContext.fatal(Alert.INTERNAL_ERROR,
|
||||
"Not supported key exchange type");
|
||||
} else {
|
||||
SSLKeyDerivation masterKD = ke.createKeyDerivation(shc);
|
||||
SecretKey masterSecret =
|
||||
masterKD.deriveKey("MasterSecret", null);
|
||||
|
||||
// update the states
|
||||
shc.handshakeSession.setMasterSecret(masterSecret);
|
||||
SSLTrafficKeyDerivation kd =
|
||||
SSLTrafficKeyDerivation.valueOf(shc.negotiatedProtocol);
|
||||
if (kd == null) { // unlikely
|
||||
shc.conContext.fatal(Alert.INTERNAL_ERROR,
|
||||
"Not supported key derivation: " +
|
||||
shc.negotiatedProtocol);
|
||||
} else {
|
||||
shc.handshakeKeyDerivation =
|
||||
kd.createKeyDerivation(shc, masterSecret);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue