author | xuelei |
Mon, 12 Aug 2019 21:36:29 -0700 | |
changeset 57718 | a93b7b28f644 |
parent 47216 | 71c04702a3d5 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2006, 2014, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package sun.security.util; |
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import java.io.IOException; |
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import java.math.BigInteger; |
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import java.security.spec.*; |
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/** |
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* Contains Elliptic Curve parameters. |
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* |
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* @since 1.6 |
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* @author Andreas Sterbenz |
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*/ |
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public final class NamedCurve extends ECParameterSpec { |
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// friendly name for toString() output |
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private final String name; |
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// well known OID |
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private final String oid; |
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// encoded form (as NamedCurve identified via OID) |
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private final byte[] encoded; |
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NamedCurve(String name, String oid, EllipticCurve curve, |
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ECPoint g, BigInteger n, int h) { |
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super(curve, g, n, h); |
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this.name = name; |
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this.oid = oid; |
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DerOutputStream out = new DerOutputStream(); |
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try { |
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out.putOID(new ObjectIdentifier(oid)); |
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} catch (IOException e) { |
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throw new RuntimeException("Internal error", e); |
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} |
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encoded = out.toByteArray(); |
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} |
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public String getName() { |
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return name; |
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} |
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public byte[] getEncoded() { |
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return encoded.clone(); |
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} |
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public String getObjectId() { |
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return oid; |
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} |
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public String toString() { |
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return name + " (" + oid + ")"; |
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} |
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} |