--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/java.base/share/classes/sun/security/ssl/PredefinedDHParameterSpecs.java Wed May 10 23:40:46 2017 +0000
@@ -0,0 +1,314 @@
+/*
+ * Copyright (c) 2017, 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
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation. Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package sun.security.ssl;
+
+import java.security.*;
+import java.math.BigInteger;
+import java.util.regex.Pattern;
+import java.util.regex.Matcher;
+import java.util.Map;
+import java.util.HashMap;
+import java.util.Collections;
+import javax.crypto.spec.DHParameterSpec;
+
+/**
+ * Predefined default DH ephemeral parameters.
+ */
+final class PredefinedDHParameterSpecs {
+ private final static boolean debugIsOn =
+ (Debug.getInstance("ssl") != null) && Debug.isOn("sslctx");
+
+ //
+ // Default DH ephemeral parameters
+ //
+ private static final BigInteger p512 = new BigInteger( // generated
+ "D87780E15FF50B4ABBE89870188B049406B5BEA98AB23A02" +
+ "41D88EA75B7755E669C08093D3F0CA7FC3A5A25CF067DCB9" +
+ "A43DD89D1D90921C6328884461E0B6D3", 16);
+ private static final BigInteger p768 = new BigInteger( // RFC 2409
+ "FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1" +
+ "29024E088A67CC74020BBEA63B139B22514A08798E3404DD" +
+ "EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245" +
+ "E485B576625E7EC6F44C42E9A63A3620FFFFFFFFFFFFFFFF", 16);
+
+ private static final BigInteger p1024 = new BigInteger( // RFC 2409
+ "FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1" +
+ "29024E088A67CC74020BBEA63B139B22514A08798E3404DD" +
+ "EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245" +
+ "E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED" +
+ "EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE65381" +
+ "FFFFFFFFFFFFFFFF", 16);
+ private static final BigInteger p1536 = new BigInteger( // RFC 3526
+ "FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1" +
+ "29024E088A67CC74020BBEA63B139B22514A08798E3404DD" +
+ "EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245" +
+ "E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED" +
+ "EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3D" +
+ "C2007CB8A163BF0598DA48361C55D39A69163FA8FD24CF5F" +
+ "83655D23DCA3AD961C62F356208552BB9ED529077096966D" +
+ "670C354E4ABC9804F1746C08CA237327FFFFFFFFFFFFFFFF", 16);
+ private static final BigInteger p2048 = new BigInteger( // TLS FFDHE
+ "FFFFFFFFFFFFFFFFADF85458A2BB4A9AAFDC5620273D3CF1" +
+ "D8B9C583CE2D3695A9E13641146433FBCC939DCE249B3EF9" +
+ "7D2FE363630C75D8F681B202AEC4617AD3DF1ED5D5FD6561" +
+ "2433F51F5F066ED0856365553DED1AF3B557135E7F57C935" +
+ "984F0C70E0E68B77E2A689DAF3EFE8721DF158A136ADE735" +
+ "30ACCA4F483A797ABC0AB182B324FB61D108A94BB2C8E3FB" +
+ "B96ADAB760D7F4681D4F42A3DE394DF4AE56EDE76372BB19" +
+ "0B07A7C8EE0A6D709E02FCE1CDF7E2ECC03404CD28342F61" +
+ "9172FE9CE98583FF8E4F1232EEF28183C3FE3B1B4C6FAD73" +
+ "3BB5FCBC2EC22005C58EF1837D1683B2C6F34A26C1B2EFFA" +
+ "886B423861285C97FFFFFFFFFFFFFFFF", 16);
+ private static final BigInteger p3072 = new BigInteger( // TLS FFDHE
+ "FFFFFFFFFFFFFFFFADF85458A2BB4A9AAFDC5620273D3CF1" +
+ "D8B9C583CE2D3695A9E13641146433FBCC939DCE249B3EF9" +
+ "7D2FE363630C75D8F681B202AEC4617AD3DF1ED5D5FD6561" +
+ "2433F51F5F066ED0856365553DED1AF3B557135E7F57C935" +
+ "984F0C70E0E68B77E2A689DAF3EFE8721DF158A136ADE735" +
+ "30ACCA4F483A797ABC0AB182B324FB61D108A94BB2C8E3FB" +
+ "B96ADAB760D7F4681D4F42A3DE394DF4AE56EDE76372BB19" +
+ "0B07A7C8EE0A6D709E02FCE1CDF7E2ECC03404CD28342F61" +
+ "9172FE9CE98583FF8E4F1232EEF28183C3FE3B1B4C6FAD73" +
+ "3BB5FCBC2EC22005C58EF1837D1683B2C6F34A26C1B2EFFA" +
+ "886B4238611FCFDCDE355B3B6519035BBC34F4DEF99C0238" +
+ "61B46FC9D6E6C9077AD91D2691F7F7EE598CB0FAC186D91C" +
+ "AEFE130985139270B4130C93BC437944F4FD4452E2D74DD3" +
+ "64F2E21E71F54BFF5CAE82AB9C9DF69EE86D2BC522363A0D" +
+ "ABC521979B0DEADA1DBF9A42D5C4484E0ABCD06BFA53DDEF" +
+ "3C1B20EE3FD59D7C25E41D2B66C62E37FFFFFFFFFFFFFFFF", 16);
+ private static final BigInteger p4096 = new BigInteger( // TLS FFDHE
+ "FFFFFFFFFFFFFFFFADF85458A2BB4A9AAFDC5620273D3CF1" +
+ "D8B9C583CE2D3695A9E13641146433FBCC939DCE249B3EF9" +
+ "7D2FE363630C75D8F681B202AEC4617AD3DF1ED5D5FD6561" +
+ "2433F51F5F066ED0856365553DED1AF3B557135E7F57C935" +
+ "984F0C70E0E68B77E2A689DAF3EFE8721DF158A136ADE735" +
+ "30ACCA4F483A797ABC0AB182B324FB61D108A94BB2C8E3FB" +
+ "B96ADAB760D7F4681D4F42A3DE394DF4AE56EDE76372BB19" +
+ "0B07A7C8EE0A6D709E02FCE1CDF7E2ECC03404CD28342F61" +
+ "9172FE9CE98583FF8E4F1232EEF28183C3FE3B1B4C6FAD73" +
+ "3BB5FCBC2EC22005C58EF1837D1683B2C6F34A26C1B2EFFA" +
+ "886B4238611FCFDCDE355B3B6519035BBC34F4DEF99C0238" +
+ "61B46FC9D6E6C9077AD91D2691F7F7EE598CB0FAC186D91C" +
+ "AEFE130985139270B4130C93BC437944F4FD4452E2D74DD3" +
+ "64F2E21E71F54BFF5CAE82AB9C9DF69EE86D2BC522363A0D" +
+ "ABC521979B0DEADA1DBF9A42D5C4484E0ABCD06BFA53DDEF" +
+ "3C1B20EE3FD59D7C25E41D2B669E1EF16E6F52C3164DF4FB" +
+ "7930E9E4E58857B6AC7D5F42D69F6D187763CF1D55034004" +
+ "87F55BA57E31CC7A7135C886EFB4318AED6A1E012D9E6832" +
+ "A907600A918130C46DC778F971AD0038092999A333CB8B7A" +
+ "1A1DB93D7140003C2A4ECEA9F98D0ACC0A8291CDCEC97DCF" +
+ "8EC9B55A7F88A46B4DB5A851F44182E1C68A007E5E655F6A" +
+ "FFFFFFFFFFFFFFFF", 16);
+ private static final BigInteger p6144 = new BigInteger( // TLS FFDHE
+ "FFFFFFFFFFFFFFFFADF85458A2BB4A9AAFDC5620273D3CF1" +
+ "D8B9C583CE2D3695A9E13641146433FBCC939DCE249B3EF9" +
+ "7D2FE363630C75D8F681B202AEC4617AD3DF1ED5D5FD6561" +
+ "2433F51F5F066ED0856365553DED1AF3B557135E7F57C935" +
+ "984F0C70E0E68B77E2A689DAF3EFE8721DF158A136ADE735" +
+ "30ACCA4F483A797ABC0AB182B324FB61D108A94BB2C8E3FB" +
+ "B96ADAB760D7F4681D4F42A3DE394DF4AE56EDE76372BB19" +
+ "0B07A7C8EE0A6D709E02FCE1CDF7E2ECC03404CD28342F61" +
+ "9172FE9CE98583FF8E4F1232EEF28183C3FE3B1B4C6FAD73" +
+ "3BB5FCBC2EC22005C58EF1837D1683B2C6F34A26C1B2EFFA" +
+ "886B4238611FCFDCDE355B3B6519035BBC34F4DEF99C0238" +
+ "61B46FC9D6E6C9077AD91D2691F7F7EE598CB0FAC186D91C" +
+ "AEFE130985139270B4130C93BC437944F4FD4452E2D74DD3" +
+ "64F2E21E71F54BFF5CAE82AB9C9DF69EE86D2BC522363A0D" +
+ "ABC521979B0DEADA1DBF9A42D5C4484E0ABCD06BFA53DDEF" +
+ "3C1B20EE3FD59D7C25E41D2B669E1EF16E6F52C3164DF4FB" +
+ "7930E9E4E58857B6AC7D5F42D69F6D187763CF1D55034004" +
+ "87F55BA57E31CC7A7135C886EFB4318AED6A1E012D9E6832" +
+ "A907600A918130C46DC778F971AD0038092999A333CB8B7A" +
+ "1A1DB93D7140003C2A4ECEA9F98D0ACC0A8291CDCEC97DCF" +
+ "8EC9B55A7F88A46B4DB5A851F44182E1C68A007E5E0DD902" +
+ "0BFD64B645036C7A4E677D2C38532A3A23BA4442CAF53EA6" +
+ "3BB454329B7624C8917BDD64B1C0FD4CB38E8C334C701C3A" +
+ "CDAD0657FCCFEC719B1F5C3E4E46041F388147FB4CFDB477" +
+ "A52471F7A9A96910B855322EDB6340D8A00EF092350511E3" +
+ "0ABEC1FFF9E3A26E7FB29F8C183023C3587E38DA0077D9B4" +
+ "763E4E4B94B2BBC194C6651E77CAF992EEAAC0232A281BF6" +
+ "B3A739C1226116820AE8DB5847A67CBEF9C9091B462D538C" +
+ "D72B03746AE77F5E62292C311562A846505DC82DB854338A" +
+ "E49F5235C95B91178CCF2DD5CACEF403EC9D1810C6272B04" +
+ "5B3B71F9DC6B80D63FDD4A8E9ADB1E6962A69526D43161C1" +
+ "A41D570D7938DAD4A40E329CD0E40E65FFFFFFFFFFFFFFFF", 16);
+ private static final BigInteger p8192 = new BigInteger( // TLS FFDHE
+ "FFFFFFFFFFFFFFFFADF85458A2BB4A9AAFDC5620273D3CF1" +
+ "D8B9C583CE2D3695A9E13641146433FBCC939DCE249B3EF9" +
+ "7D2FE363630C75D8F681B202AEC4617AD3DF1ED5D5FD6561" +
+ "2433F51F5F066ED0856365553DED1AF3B557135E7F57C935" +
+ "984F0C70E0E68B77E2A689DAF3EFE8721DF158A136ADE735" +
+ "30ACCA4F483A797ABC0AB182B324FB61D108A94BB2C8E3FB" +
+ "B96ADAB760D7F4681D4F42A3DE394DF4AE56EDE76372BB19" +
+ "0B07A7C8EE0A6D709E02FCE1CDF7E2ECC03404CD28342F61" +
+ "9172FE9CE98583FF8E4F1232EEF28183C3FE3B1B4C6FAD73" +
+ "3BB5FCBC2EC22005C58EF1837D1683B2C6F34A26C1B2EFFA" +
+ "886B4238611FCFDCDE355B3B6519035BBC34F4DEF99C0238" +
+ "61B46FC9D6E6C9077AD91D2691F7F7EE598CB0FAC186D91C" +
+ "AEFE130985139270B4130C93BC437944F4FD4452E2D74DD3" +
+ "64F2E21E71F54BFF5CAE82AB9C9DF69EE86D2BC522363A0D" +
+ "ABC521979B0DEADA1DBF9A42D5C4484E0ABCD06BFA53DDEF" +
+ "3C1B20EE3FD59D7C25E41D2B669E1EF16E6F52C3164DF4FB" +
+ "7930E9E4E58857B6AC7D5F42D69F6D187763CF1D55034004" +
+ "87F55BA57E31CC7A7135C886EFB4318AED6A1E012D9E6832" +
+ "A907600A918130C46DC778F971AD0038092999A333CB8B7A" +
+ "1A1DB93D7140003C2A4ECEA9F98D0ACC0A8291CDCEC97DCF" +
+ "8EC9B55A7F88A46B4DB5A851F44182E1C68A007E5E0DD902" +
+ "0BFD64B645036C7A4E677D2C38532A3A23BA4442CAF53EA6" +
+ "3BB454329B7624C8917BDD64B1C0FD4CB38E8C334C701C3A" +
+ "CDAD0657FCCFEC719B1F5C3E4E46041F388147FB4CFDB477" +
+ "A52471F7A9A96910B855322EDB6340D8A00EF092350511E3" +
+ "0ABEC1FFF9E3A26E7FB29F8C183023C3587E38DA0077D9B4" +
+ "763E4E4B94B2BBC194C6651E77CAF992EEAAC0232A281BF6" +
+ "B3A739C1226116820AE8DB5847A67CBEF9C9091B462D538C" +
+ "D72B03746AE77F5E62292C311562A846505DC82DB854338A" +
+ "E49F5235C95B91178CCF2DD5CACEF403EC9D1810C6272B04" +
+ "5B3B71F9DC6B80D63FDD4A8E9ADB1E6962A69526D43161C1" +
+ "A41D570D7938DAD4A40E329CCFF46AAA36AD004CF600C838" +
+ "1E425A31D951AE64FDB23FCEC9509D43687FEB69EDD1CC5E" +
+ "0B8CC3BDF64B10EF86B63142A3AB8829555B2F747C932665" +
+ "CB2C0F1CC01BD70229388839D2AF05E454504AC78B758282" +
+ "2846C0BA35C35F5C59160CC046FD8251541FC68C9C86B022" +
+ "BB7099876A460E7451A8A93109703FEE1C217E6C3826E52C" +
+ "51AA691E0E423CFC99E9E31650C1217B624816CDAD9A95F9" +
+ "D5B8019488D9C0A0A1FE3075A577E23183F81D4A3F2FA457" +
+ "1EFC8CE0BA8A4FE8B6855DFE72B0A66EDED2FBABFBE58A30" +
+ "FAFABE1C5D71A87E2F741EF8C1FE86FEA6BBFDE530677F0D" +
+ "97D11D49F7A8443D0822E506A9F4614E011E2A94838FF88C" +
+ "D68C8BB7C5C6424CFFFFFFFFFFFFFFFF", 16);
+
+ private static final BigInteger[] supportedPrimes = {
+ p512, p768, p1024, p1536, p2048, p3072, p4096, p6144, p8192};
+
+ private static final BigInteger[] ffdhePrimes = {
+ p2048, p3072, p4096, p6144, p8192};
+
+ // a measure of the uncertainty that prime modulus p is not a prime
+ //
+ // see BigInteger.isProbablePrime(int certainty)
+ private final static int PRIME_CERTAINTY = 120;
+
+ // the known security property, jdk.tls.server.defaultDHEParameters
+ private final static String PROPERTY_NAME =
+ "jdk.tls.server.defaultDHEParameters";
+
+ private static final Pattern spacesPattern = Pattern.compile("\\s+");
+
+ private final static Pattern syntaxPattern = Pattern.compile(
+ "(\\{[0-9A-Fa-f]+,[0-9A-Fa-f]+\\})" +
+ "(,\\{[0-9A-Fa-f]+,[0-9A-Fa-f]+\\})*");
+
+ private static final Pattern paramsPattern = Pattern.compile(
+ "\\{([0-9A-Fa-f]+),([0-9A-Fa-f]+)\\}");
+
+ // cache of predefined default DH ephemeral parameters
+ final static Map<Integer, DHParameterSpec> definedParams;
+
+ // cache of Finite Field DH Ephemeral parameters (RFC 7919/FFDHE)
+ final static Map<Integer, DHParameterSpec> ffdheParams;
+
+ static {
+ String property = AccessController.doPrivileged(
+ new PrivilegedAction<String>() {
+ public String run() {
+ return Security.getProperty(PROPERTY_NAME);
+ }
+ });
+
+ if (property != null && !property.isEmpty()) {
+ // remove double quote marks from beginning/end of the property
+ if (property.length() >= 2 && property.charAt(0) == '"' &&
+ property.charAt(property.length() - 1) == '"') {
+ property = property.substring(1, property.length() - 1);
+ }
+
+ property = property.trim();
+ }
+
+ if (property != null && !property.isEmpty()) {
+ Matcher spacesMatcher = spacesPattern.matcher(property);
+ property = spacesMatcher.replaceAll("");
+
+ if (debugIsOn) {
+ System.out.println("The Security Property " +
+ PROPERTY_NAME + ": " + property);
+ }
+ }
+
+ Map<Integer,DHParameterSpec> defaultParams = new HashMap<>();
+ if (property != null && !property.isEmpty()) {
+ Matcher syntaxMatcher = syntaxPattern.matcher(property);
+ if (syntaxMatcher.matches()) {
+ Matcher paramsFinder = paramsPattern.matcher(property);
+ while(paramsFinder.find()) {
+ String primeModulus = paramsFinder.group(1);
+ BigInteger p = new BigInteger(primeModulus, 16);
+ if (!p.isProbablePrime(PRIME_CERTAINTY)) {
+ if (debugIsOn) {
+ System.out.println(
+ "Prime modulus p in Security Property, " +
+ PROPERTY_NAME + ", is not a prime: " +
+ primeModulus);
+ }
+
+ continue;
+ }
+
+ String baseGenerator = paramsFinder.group(2);
+ BigInteger g = new BigInteger(baseGenerator, 16);
+
+ DHParameterSpec spec = new DHParameterSpec(p, g);
+ int primeLen = p.bitLength();
+ defaultParams.put(primeLen, spec);
+ }
+ } else if (debugIsOn) {
+ System.out.println("Invalid Security Property, " +
+ PROPERTY_NAME + ", definition");
+ }
+ }
+
+ Map<Integer,DHParameterSpec> tempFFDHEs = new HashMap<>();
+ for (BigInteger p : ffdhePrimes) {
+ int primeLen = p.bitLength();
+ DHParameterSpec dhps = new DHParameterSpec(p, BigInteger.TWO);
+ tempFFDHEs.put(primeLen, dhps);
+ defaultParams.putIfAbsent(primeLen, dhps);
+ }
+
+ for (BigInteger p : supportedPrimes) {
+ int primeLen = p.bitLength();
+ if (defaultParams.get(primeLen) == null) {
+ defaultParams.put(primeLen,
+ new DHParameterSpec(p, BigInteger.TWO));
+ }
+ }
+
+ ffdheParams =
+ Collections.<Integer,DHParameterSpec>unmodifiableMap(tempFFDHEs);
+ definedParams =
+ Collections.<Integer,DHParameterSpec>unmodifiableMap(defaultParams);
+ }
+}