jdk/src/share/classes/sun/security/util/NamedCurve.java
changeset 25669 daa21271c03b
parent 23010 6dadb192ad81
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/sun/security/util/NamedCurve.java	Wed Jul 23 21:50:21 2014 +0000
@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 2006, 2014, 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.io.IOException;
+import java.math.BigInteger;
+
+import java.security.spec.*;
+
+
+/**
+ * Contains Elliptic Curve parameters.
+ *
+ * @since   1.6
+ * @author  Andreas Sterbenz
+ */
+public final class NamedCurve extends ECParameterSpec {
+
+    // friendly name for toString() output
+    private final String name;
+
+    // well known OID
+    private final String oid;
+
+    // encoded form (as NamedCurve identified via OID)
+    private final byte[] encoded;
+
+    NamedCurve(String name, String oid, EllipticCurve curve,
+            ECPoint g, BigInteger n, int h) {
+        super(curve, g, n, h);
+        this.name = name;
+        this.oid = oid;
+
+        DerOutputStream out = new DerOutputStream();
+
+        try {
+            out.putOID(new ObjectIdentifier(oid));
+        } catch (IOException e) {
+            throw new RuntimeException("Internal error", e);
+        }
+
+        encoded = out.toByteArray();
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public byte[] getEncoded() {
+        return encoded.clone();
+    }
+
+    public String getObjectId() {
+        return oid;
+    }
+
+    public String toString() {
+        return name + " (" + oid + ")";
+    }
+}