--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/java.base/share/classes/sun/security/ssl/SSLAlgorithmDecomposer.java Mon Mar 02 12:56:22 2015 -0800
@@ -0,0 +1,258 @@
+/*
+ * Copyright (c) 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
+ * 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.util.HashSet;
+import java.util.Set;
+import sun.security.util.AlgorithmDecomposer;
+import static sun.security.ssl.CipherSuite.*;
+import static sun.security.ssl.CipherSuite.KeyExchange.*;
+
+/**
+ * The class decomposes standard SSL/TLS cipher suites into sub-elements.
+ */
+class SSLAlgorithmDecomposer extends AlgorithmDecomposer {
+
+ // indicates that only certification path algorithms need to be used
+ private final boolean onlyX509;
+
+ SSLAlgorithmDecomposer(boolean onlyX509) {
+ this.onlyX509 = onlyX509;
+ }
+
+ SSLAlgorithmDecomposer() {
+ this(false);
+ }
+
+ private Set<String> decomposes(CipherSuite.KeyExchange keyExchange) {
+ Set<String> components = new HashSet<>();
+ switch (keyExchange) {
+ case K_NULL:
+ if (!onlyX509) {
+ components.add("K_NULL");
+ }
+ break;
+ case K_RSA:
+ components.add("RSA");
+ break;
+ case K_RSA_EXPORT:
+ components.add("RSA");
+ components.add("RSA_EXPORT");
+ break;
+ case K_DH_RSA:
+ components.add("RSA");
+ components.add("DH");
+ components.add("DiffieHellman");
+ components.add("DH_RSA");
+ break;
+ case K_DH_DSS:
+ components.add("DSA");
+ components.add("DSS");
+ components.add("DH");
+ components.add("DiffieHellman");
+ components.add("DH_DSS");
+ break;
+ case K_DHE_DSS:
+ components.add("DSA");
+ components.add("DSS");
+ components.add("DH");
+ components.add("DHE");
+ components.add("DiffieHellman");
+ components.add("DHE_DSS");
+ break;
+ case K_DHE_RSA:
+ components.add("RSA");
+ components.add("DH");
+ components.add("DHE");
+ components.add("DiffieHellman");
+ components.add("DHE_RSA");
+ break;
+ case K_DH_ANON:
+ if (!onlyX509) {
+ components.add("ANON");
+ components.add("DH");
+ components.add("DiffieHellman");
+ components.add("DH_ANON");
+ }
+ break;
+ case K_ECDH_ECDSA:
+ components.add("ECDH");
+ components.add("ECDSA");
+ components.add("ECDH_ECDSA");
+ break;
+ case K_ECDH_RSA:
+ components.add("ECDH");
+ components.add("RSA");
+ components.add("ECDH_RSA");
+ break;
+ case K_ECDHE_ECDSA:
+ components.add("ECDHE");
+ components.add("ECDSA");
+ components.add("ECDHE_ECDSA");
+ break;
+ case K_ECDHE_RSA:
+ components.add("ECDHE");
+ components.add("RSA");
+ components.add("ECDHE_RSA");
+ break;
+ case K_ECDH_ANON:
+ if (!onlyX509) {
+ components.add("ECDH");
+ components.add("ANON");
+ components.add("ECDH_ANON");
+ }
+ break;
+ default:
+ if (ClientKeyExchangeService.find(keyExchange.name) != null) {
+ if (!onlyX509) {
+ components.add(keyExchange.name);
+ }
+ }
+ // otherwise ignore
+ }
+
+ return components;
+ }
+
+ private Set<String> decomposes(CipherSuite.BulkCipher bulkCipher) {
+ Set<String> components = new HashSet<>();
+
+ if (bulkCipher.transformation != null) {
+ components.addAll(super.decompose(bulkCipher.transformation));
+ }
+
+ switch (bulkCipher) {
+ case B_NULL:
+ components.add("C_NULL");
+ break;
+ case B_RC2_40:
+ components.add("RC2_CBC_40");
+ break;
+ case B_RC4_40:
+ components.add("RC4_40");
+ break;
+ case B_RC4_128:
+ components.add("RC4_128");
+ break;
+ case B_DES_40:
+ components.add("DES40_CBC");
+ components.add("DES_CBC_40");
+ break;
+ case B_DES:
+ components.add("DES_CBC");
+ break;
+ case B_3DES:
+ components.add("3DES_EDE_CBC");
+ break;
+ case B_AES_128:
+ components.add("AES_128_CBC");
+ break;
+ case B_AES_256:
+ components.add("AES_256_CBC");
+ break;
+ case B_AES_128_GCM:
+ components.add("AES_128_GCM");
+ break;
+ case B_AES_256_GCM:
+ components.add("AES_256_GCM");
+ break;
+ }
+
+ return components;
+ }
+
+ private Set<String> decomposes(CipherSuite.MacAlg macAlg,
+ BulkCipher cipher) {
+ Set<String> components = new HashSet<>();
+
+ if (macAlg == CipherSuite.MacAlg.M_NULL
+ && cipher.cipherType != CipherType.AEAD_CIPHER) {
+ components.add("M_NULL");
+ } else if (macAlg == CipherSuite.MacAlg.M_MD5) {
+ components.add("MD5");
+ components.add("HmacMD5");
+ } else if (macAlg == CipherSuite.MacAlg.M_SHA) {
+ components.add("SHA1");
+ components.add("SHA-1");
+ components.add("HmacSHA1");
+ } else if (macAlg == CipherSuite.MacAlg.M_SHA256) {
+ components.add("SHA256");
+ components.add("SHA-256");
+ components.add("HmacSHA256");
+ } else if (macAlg == CipherSuite.MacAlg.M_SHA384) {
+ components.add("SHA384");
+ components.add("SHA-384");
+ components.add("HmacSHA384");
+ }
+
+ return components;
+ }
+
+ private Set<String> decompose(KeyExchange keyExchange, BulkCipher cipher,
+ MacAlg macAlg) {
+ Set<String> components = new HashSet<>();
+
+ if (keyExchange != null) {
+ components.addAll(decomposes(keyExchange));
+ }
+
+ if (onlyX509) {
+ // Certification path algorithm constraints do not apply
+ // to cipher and macAlg.
+ return components;
+ }
+
+ if (cipher != null) {
+ components.addAll(decomposes(cipher));
+ }
+
+ if (macAlg != null) {
+ components.addAll(decomposes(macAlg, cipher));
+ }
+
+ return components;
+ }
+
+ @Override
+ public Set<String> decompose(String algorithm) {
+ if (algorithm.startsWith("SSL_") || algorithm.startsWith("TLS_")) {
+ CipherSuite cipherSuite = null;
+ try {
+ cipherSuite = CipherSuite.valueOf(algorithm);
+ } catch (IllegalArgumentException iae) {
+ // ignore: unknown or unsupported ciphersuite
+ }
+
+ if (cipherSuite != null) {
+ return decompose(cipherSuite.keyExchange, cipherSuite.cipher,
+ cipherSuite.macAlg);
+ }
+ }
+
+ return super.decompose(algorithm);
+ }
+
+}