J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2003 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun in the LICENSE file that accompanied this code. |
| 10 | * |
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| 15 | * accompanied this code). |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License version |
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | package java.security.spec; |
| 26 | |
| 27 | import java.math.BigInteger; |
| 28 | |
| 29 | /** |
| 30 | * This immutable class specifies an elliptic curve private key with |
| 31 | * its associated parameters. |
| 32 | * |
| 33 | * @see KeySpec |
| 34 | * @see ECParameterSpec |
| 35 | * |
| 36 | * @author Valerie Peng |
| 37 | * |
| 38 | * @since 1.5 |
| 39 | */ |
| 40 | public class ECPrivateKeySpec implements KeySpec { |
| 41 | |
| 42 | private BigInteger s; |
| 43 | private ECParameterSpec params; |
| 44 | |
| 45 | /** |
| 46 | * Creates a new ECPrivateKeySpec with the specified |
| 47 | * parameter values. |
| 48 | * @param s the private value. |
| 49 | * @param params the associated elliptic curve domain |
| 50 | * parameters. |
| 51 | * @exception NullPointerException if <code>s</code> |
| 52 | * or <code>params</code> is null. |
| 53 | */ |
| 54 | public ECPrivateKeySpec(BigInteger s, ECParameterSpec params) { |
| 55 | if (s == null) { |
| 56 | throw new NullPointerException("s is null"); |
| 57 | } |
| 58 | if (params == null) { |
| 59 | throw new NullPointerException("params is null"); |
| 60 | } |
| 61 | this.s = s; |
| 62 | this.params = params; |
| 63 | } |
| 64 | |
| 65 | /** |
| 66 | * Returns the private value S. |
| 67 | * @return the private value S. |
| 68 | */ |
| 69 | public BigInteger getS() { |
| 70 | return s; |
| 71 | } |
| 72 | |
| 73 | /** |
| 74 | * Returns the associated elliptic curve domain |
| 75 | * parameters. |
| 76 | * @return the EC domain parameters. |
| 77 | */ |
| 78 | public ECParameterSpec getParams() { |
| 79 | return params; |
| 80 | } |
| 81 | } |