jdk/src/java.base/share/classes/sun/security/util/LegacyAlgorithmConstraints.java
changeset 31689 1201792aa3a3
child 32649 2ee9017c7597
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/java.base/share/classes/sun/security/util/LegacyAlgorithmConstraints.java	Mon Mar 02 12:56:22 2015 -0800
@@ -0,0 +1,73 @@
+/*
+ * 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.util;
+
+import java.security.AlgorithmParameters;
+import java.security.CryptoPrimitive;
+import java.security.Key;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Set;
+import static sun.security.util.AbstractAlgorithmConstraints.getAlgorithms;
+
+/**
+ * Algorithm constraints for legacy algorithms.
+ */
+public class LegacyAlgorithmConstraints extends AbstractAlgorithmConstraints {
+
+    // the known security property, jdk.tls.legacyAlgorithms
+    public final static String PROPERTY_TLS_LEGACY_ALGS =
+            "jdk.tls.legacyAlgorithms";
+
+    private final static Map<String, String[]> legacyAlgorithmsMap =
+                                                          new HashMap<>();
+
+    private final String[] legacyAlgorithms;
+
+    public LegacyAlgorithmConstraints(String propertyName,
+            AlgorithmDecomposer decomposer) {
+        super(decomposer);
+        legacyAlgorithms = getAlgorithms(legacyAlgorithmsMap, propertyName);
+    }
+
+    @Override
+    final public boolean permits(Set<CryptoPrimitive> primitives,
+            String algorithm, AlgorithmParameters parameters) {
+        return checkAlgorithm(legacyAlgorithms, algorithm, decomposer);
+    }
+
+    @Override
+    final public boolean permits(Set<CryptoPrimitive> primitives, Key key) {
+        return true;
+    }
+
+    @Override
+    final public boolean permits(Set<CryptoPrimitive> primitives,
+            String algorithm, Key key, AlgorithmParameters parameters) {
+        return checkAlgorithm(legacyAlgorithms, algorithm, decomposer);
+    }
+
+}