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8076328: Enforce key exchange constraints

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Reviewed-by: wetmore, igerasim, ahgross, asmotrak
This commit is contained in:
Xue-Lei Andrew Fan 2015-04-22 05:09:54 +00:00
parent 7ee95a458c
commit b7bf7fd3fd
11 changed files with 126 additions and 38 deletions
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19
jdk/src/java.base/share/classes/sun/security/ssl/ClientHandshaker.java
View File

@ -723,6 +723,14 @@ final class ClientHandshaker extends Handshaker {
// NOTREACHED
}
ephemeralServerKey = mesg.getPublicKey();
// check constraints of RSA PublicKey
if (!algorithmConstraints.permits(
EnumSet.of(CryptoPrimitive.KEY_AGREEMENT), ephemeralServerKey)) {
throw new SSLHandshakeException("RSA ServerKeyExchange " +
"does not comply to algorithm constraints");
}
}
/*
@ -739,6 +747,9 @@ final class ClientHandshaker extends Handshaker {
dh = new DHCrypt(mesg.getModulus(), mesg.getBase(),
sslContext.getSecureRandom());
serverDH = mesg.getServerPublicKey();
// check algorithm constraints
dh.checkConstraints(algorithmConstraints, serverDH);
}
private void serverKeyExchange(ECDH_ServerKeyExchange mesg)
@ -749,6 +760,14 @@ final class ClientHandshaker extends Handshaker {
ECPublicKey key = mesg.getPublicKey();
ecdh = new ECDHCrypt(key.getParams(), sslContext.getSecureRandom());
ephemeralServerKey = key;
// check constraints of EC PublicKey
if (!algorithmConstraints.permits(
EnumSet.of(CryptoPrimitive.KEY_AGREEMENT), ephemeralServerKey)) {
throw new SSLHandshakeException("ECDH ServerKeyExchange " +
"does not comply to algorithm constraints");
}
}
/*

25
jdk/src/java.base/share/classes/sun/security/ssl/DHCrypt.java
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 1996, 2014, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1996, 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -34,6 +34,7 @@ import javax.crypto.SecretKey;
import javax.crypto.KeyAgreement;
import javax.crypto.interfaces.DHPublicKey;
import javax.crypto.spec.*;
import java.util.EnumSet;
import sun.security.util.KeyUtil;
@ -216,6 +217,28 @@ final class DHCrypt {
}
}
// Check constraints of the specified DH public key.
void checkConstraints(AlgorithmConstraints constraints,
BigInteger peerPublicValue) throws SSLHandshakeException {
try {
KeyFactory kf = JsseJce.getKeyFactory("DiffieHellman");
DHPublicKeySpec spec =
new DHPublicKeySpec(peerPublicValue, modulus, base);
DHPublicKey publicKey = (DHPublicKey)kf.generatePublic(spec);
// check constraints of DHPublicKey
if (!constraints.permits(
EnumSet.of(CryptoPrimitive.KEY_AGREEMENT), publicKey)) {
throw new SSLHandshakeException(
"DHPublicKey does not comply to algorithm constraints");
}
} catch (GeneralSecurityException gse) {
throw (SSLHandshakeException) new SSLHandshakeException(
"Could not generate DHPublicKey").initCause(gse);
}
}
// Generate and validate DHPublicKeySpec
private DHPublicKeySpec generateDHPublicKeySpec(KeyPairGenerator kpg)
throws GeneralSecurityException {

43
jdk/src/java.base/share/classes/sun/security/ssl/ECDHCrypt.java
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2006, 2014, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2006, 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -29,6 +29,7 @@ import java.security.*;
import java.security.interfaces.ECPublicKey;
import java.security.spec.*;
import java.util.EnumSet;
import javax.crypto.SecretKey;
import javax.crypto.KeyAgreement;
import javax.net.ssl.SSLHandshakeException;
@ -88,8 +89,11 @@ final class ECDHCrypt {
return publicKey;
}
// called by ClientHandshaker with either the server's static or ephemeral public key
SecretKey getAgreedSecret(PublicKey peerPublicKey) throws SSLHandshakeException {
// called by ClientHandshaker with either the server's static or
// ephemeral public key
SecretKey getAgreedSecret(
PublicKey peerPublicKey) throws SSLHandshakeException {
try {
KeyAgreement ka = JsseJce.getKeyAgreement("ECDH");
ka.init(privateKey);
@ -102,10 +106,13 @@ final class ECDHCrypt {
}
// called by ServerHandshaker
SecretKey getAgreedSecret(byte[] encodedPoint) throws SSLHandshakeException {
SecretKey getAgreedSecret(
byte[] encodedPoint) throws SSLHandshakeException {
try {
ECParameterSpec params = publicKey.getParams();
ECPoint point = JsseJce.decodePoint(encodedPoint, params.getCurve());
ECPoint point =
JsseJce.decodePoint(encodedPoint, params.getCurve());
KeyFactory kf = JsseJce.getKeyFactory("EC");
ECPublicKeySpec spec = new ECPublicKeySpec(point, params);
PublicKey peerPublicKey = kf.generatePublic(spec);
@ -116,4 +123,30 @@ final class ECDHCrypt {
}
}
// Check constraints of the specified EC public key.
void checkConstraints(AlgorithmConstraints constraints,
byte[] encodedPoint) throws SSLHandshakeException {
try {
ECParameterSpec params = publicKey.getParams();
ECPoint point =
JsseJce.decodePoint(encodedPoint, params.getCurve());
ECPublicKeySpec spec = new ECPublicKeySpec(point, params);
KeyFactory kf = JsseJce.getKeyFactory("EC");
ECPublicKey publicKey = (ECPublicKey)kf.generatePublic(spec);
// check constraints of ECPublicKey
if (!constraints.permits(
EnumSet.of(CryptoPrimitive.KEY_AGREEMENT), publicKey)) {
throw new SSLHandshakeException(
"ECPublicKey does not comply to algorithm constraints");
}
} catch (GeneralSecurityException | java.io.IOException e) {
throw (SSLHandshakeException) new SSLHandshakeException(
"Could not generate ECPublicKey").initCause(e);
}
}
}

4
jdk/src/java.base/share/classes/sun/security/ssl/Handshaker.java
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 1996, 2014, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1996, 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -87,7 +87,7 @@ abstract class Handshaker {
String identificationProtocol;
// The cryptographic algorithm constraints
private AlgorithmConstraints algorithmConstraints = null;
AlgorithmConstraints algorithmConstraints = null;
// Local supported signature and algorithms
Collection<SignatureAndHashAlgorithm> localSupportedSignAlgs;

17
jdk/src/java.base/share/classes/sun/security/ssl/ServerHandshaker.java
View File

@ -32,6 +32,7 @@ import java.security.*;
import java.security.cert.*;
import java.security.interfaces.*;
import java.security.spec.ECParameterSpec;
import java.math.BigInteger;
import javax.crypto.SecretKey;
import javax.crypto.spec.SecretKeySpec;
@ -1571,7 +1572,13 @@ final class ServerHandshaker extends Handshaker {
if (debug != null && Debug.isOn("handshake")) {
mesg.print(System.out);
}
return dh.getAgreedSecret(mesg.getClientPublicKey(), false);
BigInteger publicKeyValue = mesg.getClientPublicKey();
// check algorithm constraints
dh.checkConstraints(algorithmConstraints, publicKeyValue);
return dh.getAgreedSecret(publicKeyValue, false);
}
private SecretKey clientKeyExchange(ECDHClientKeyExchange mesg)
@ -1580,7 +1587,13 @@ final class ServerHandshaker extends Handshaker {
if (debug != null && Debug.isOn("handshake")) {
mesg.print(System.out);
}
return ecdh.getAgreedSecret(mesg.getEncodedPoint());
byte[] publicPoint = mesg.getEncodedPoint();
// check algorithm constraints
ecdh.checkConstraints(algorithmConstraints, publicPoint);
return ecdh.getAgreedSecret(publicPoint);
}
/*

4
jdk/src/java.base/share/conf/security/java.security
View File

@ -541,7 +541,7 @@ jdk.certpath.disabledAlgorithms=MD2, MD5, RSA keySize < 1024
#
# Example:
# jdk.tls.disabledAlgorithms=MD5, SSLv3, DSA, RSA keySize < 2048
jdk.tls.disabledAlgorithms=SSLv3, RC4
jdk.tls.disabledAlgorithms=SSLv3, RC4, DH keySize < 768
# Legacy algorithms for Secure Socket Layer/Transport Layer Security (SSL/TLS)
# processing in JSSE implementation.
@ -580,7 +580,7 @@ jdk.tls.disabledAlgorithms=SSLv3, RC4
# 1. JSSE cipher suite name, e.g., TLS_RSA_WITH_AES_128_CBC_SHA
# 2. JSSE key exchange algorithm name, e.g., RSA
# 3. JSSE cipher (encryption) algorithm name, e.g., AES_128_CBC
# 4. JSSE message digest algorithm name, e.g., SHA-1
# 4. JSSE message digest algorithm name, e.g., SHA
#
# See SSL/TLS specifications and "Java Cryptography Architecture Standard
# Algorithm Name Documentation" for information about the algorithm names.

9
jdk/test/javax/net/ssl/sanity/interop/ClientJSSEServerJSSE.java
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2002, 2014, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2002, 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -33,13 +33,10 @@ import java.security.Security;
public class ClientJSSEServerJSSE {
public static void main(String[] args) throws Exception {
// reset the security property to make sure that the algorithms
// reset security properties to make sure that the algorithms
// and keys used in this test are not disabled.
Security.setProperty("jdk.tls.disabledAlgorithms", "");
// MD5 is used in this test case, don't disable MD5 algorithm.
Security.setProperty(
"jdk.certpath.disabledAlgorithms", "MD2, RSA keySize < 1024");
Security.setProperty("jdk.certpath.disabledAlgorithms", "");
CipherTest.main(new JSSEFactory(), args);
}

9
jdk/test/sun/security/ec/TestEC.java
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2009, 2014, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2009, 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -60,13 +60,10 @@ import java.security.Security;
public class TestEC {
public static void main(String[] args) throws Exception {
// reset the security property to make sure that the algorithms
// reset security properties to make sure that the algorithms
// and keys used in this test are not disabled.
Security.setProperty("jdk.tls.disabledAlgorithms", "");
// MD5 is used in this test case, don't disable MD5 algorithm.
Security.setProperty(
"jdk.certpath.disabledAlgorithms", "MD2, RSA keySize < 1024");
Security.setProperty("jdk.certpath.disabledAlgorithms", "");
ProvidersSnapshot snapshot = ProvidersSnapshot.create();
try {

13
jdk/test/sun/security/pkcs11/sslecc/ClientJSSEServerJSSE.java
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2002, 2014, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2002, 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -43,18 +43,15 @@ public class ClientJSSEServerJSSE extends PKCS11Test {
private static String[] cmdArgs;
public static void main(String[] args) throws Exception {
// reset the security property to make sure that the algorithms
// and keys used in this test are not disabled.
Security.setProperty("jdk.tls.disabledAlgorithms", "");
cmdArgs = args;
main(new ClientJSSEServerJSSE());
}
public void main(Provider p) throws Exception {
// MD5 is used in this test case, don't disable MD5 algorithm.
Security.setProperty(
"jdk.certpath.disabledAlgorithms", "MD2, RSA keySize < 1024");
// reset security properties to make sure that the algorithms
// and keys used in this test are not disabled.
Security.setProperty("jdk.tls.disabledAlgorithms", "");
Security.setProperty("jdk.certpath.disabledAlgorithms", "");
if (p.getService("KeyFactory", "EC") == null) {
System.out.println("Provider does not support EC, skipping");

3
jdk/test/sun/security/ssl/DHKeyExchange/DHEKeySizing.java
View File

@ -377,9 +377,10 @@ public class DHEKeySizing {
}
public static void main(String args[]) throws Exception {
// reset the security property to make sure that the algorithms
// reset security properties to make sure that the algorithms
// and keys used in this test are not disabled.
Security.setProperty("jdk.tls.disabledAlgorithms", "");
Security.setProperty("jdk.certpath.disabledAlgorithms", "");
if (args.length != 4) {
System.out.println(

16
jdk/test/sun/security/ssl/ServerHandshaker/AnonCipherWithWantClientAuth.java
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2001, 2011, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2001, 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -21,19 +21,22 @@
* questions.
*/
//
// SunJSSE does not support dynamic system properties, no way to re-use
// system properties in samevm/agentvm mode.
//
/*
* @test
* @bug 4392475
* @summary Calling setWantClientAuth(true) disables anonymous suites
* @run main/othervm/timeout=180 AnonCipherWithWantClientAuth
*
* SunJSSE does not support dynamic system properties, no way to re-use
* system properties in samevm/agentvm mode.
*/
import java.io.*;
import java.net.*;
import javax.net.ssl.*;
import java.security.Security;
public class AnonCipherWithWantClientAuth {
@ -156,6 +159,11 @@ public class AnonCipherWithWantClientAuth {
volatile Exception clientException = null;
public static void main(String[] args) throws Exception {
// reset security properties to make sure that the algorithms
// and keys used in this test are not disabled.
Security.setProperty("jdk.tls.disabledAlgorithms", "");
Security.setProperty("jdk.certpath.disabledAlgorithms", "");
String keyFilename =
System.getProperty("test.src", "./") + "/" + pathToStores +
"/" + keyStoreFile;