420 lines
16 KiB
Java
420 lines
16 KiB
Java
/*
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* Copyright (c) 2003, 2007, 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.
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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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/**
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* @test
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* @bug 4794996
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* @summary Ensure basic functionality of these new ECC classes.
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* @author Valerie Peng
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*/
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import java.math.BigInteger;
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import java.util.Arrays;
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import java.security.*;
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import java.security.spec.*;
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public class ECCBasic {
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private static final BigInteger ZERO = BigInteger.ZERO;
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private static final BigInteger ONE = BigInteger.ONE;
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private static final BigInteger TEN = BigInteger.TEN;
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private static final ECFieldFp FP = new ECFieldFp(TEN);
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private static final int F2M_M = 4;
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private static final int[] F2M_KS;
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static {
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F2M_KS = new int[1];
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F2M_KS[0] = 1;
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}
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private static final BigInteger F2M_RP = BigInteger.valueOf(19);
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private static final ECFieldF2m F2M = new ECFieldF2m(F2M_M, F2M_KS);
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private static final EllipticCurve CURVE = new EllipticCurve
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(new ECFieldFp(TEN), ONE, ONE);
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private static final ECPoint POINT = new ECPoint(ONE, TEN);
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private static final BigInteger ORDER = ONE;
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private static final int COFACTOR = 3;
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private static final ECParameterSpec PARAMS = new ECParameterSpec
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(CURVE, POINT, ORDER, COFACTOR);
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private static final ECGenParameterSpec GENPARAMS =
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new ECGenParameterSpec("prime192v1");
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private static final ECPrivateKeySpec PRIV_KEY = new ECPrivateKeySpec
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(TEN, PARAMS);
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private static final ECPublicKeySpec PUB_KEY = new ECPublicKeySpec
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(POINT, PARAMS);
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private static void testECFieldFp() throws Exception {
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System.out.println("Testing ECFieldFp(BigInteger)");
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try {
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new ECFieldFp(ZERO);
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throw new Exception("...should throw IAE");
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} catch (IllegalArgumentException iae) {
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System.out.println("...expected IAE thrown");
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}
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try {
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new ECFieldFp(null);
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throw new Exception("...should throw NPE");
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} catch (NullPointerException npe) {
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System.out.println("...expected NPE thrown");
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}
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if (TEN.equals(FP.getP()) == false) {
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throw new Exception("...error in getP()");
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}
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if (FP.getFieldSize() != TEN.bitLength()) {
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throw new Exception("...error in getFieldSize()");
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}
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}
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private static void testECFieldF2m() throws Exception {
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// invalid parameters
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int mBad = 0;
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int[] ksBad;
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for (int i=0; i<7; i++) {
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System.out.print("Testing ECFieldF2m");
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try {
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switch (i) {
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case 0:
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System.out.println("(int)");
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new ECFieldF2m(mBad);
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break;
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case 1:
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System.out.println("(int, BigInteger)#1");
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new ECFieldF2m(mBad, F2M_RP);
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break;
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case 2:
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System.out.println("(int, BigInteger)#2");
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new ECFieldF2m(mBad, F2M_RP);
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break;
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case 3:
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System.out.println("(int, int[])#1");
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new ECFieldF2m(mBad, F2M_KS);
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break;
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case 4:
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ksBad = new int[2];
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System.out.println("(int, int[])#2");
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new ECFieldF2m(F2M_M, ksBad);
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break;
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case 5:
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ksBad = new int[1];
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ksBad[0] = 5;
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System.out.println("(int, int[])#3");
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new ECFieldF2m(F2M_M, ksBad);
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break;
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case 6:
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ksBad = new int[3];
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ksBad[0] = 1;
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ksBad[1] = 2;
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ksBad[2] = 3;
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System.out.println("(int, int[])#4");
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new ECFieldF2m(F2M_M, ksBad);
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break;
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}
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throw new Exception("...should throw IAE");
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} catch (IllegalArgumentException iae) {
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System.out.println("...expected IAE thrown");
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}
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}
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for (int i=0; i<2; i++) {
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System.out.print("Testing ECFieldF2m");
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try {
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switch (i) {
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case 0:
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System.out.println("(int, BigInteger)");
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new ECFieldF2m(F2M_M, (BigInteger) null);
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break;
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case 1:
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System.out.println("(int, int[])#1");
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new ECFieldF2m(F2M_M, (int[]) null);
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break;
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}
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throw new Exception("...should throw NPE");
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} catch (NullPointerException npe) {
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System.out.println("...expected NPE thrown");
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}
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}
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if (F2M_RP.compareTo(F2M.getReductionPolynomial()) != 0) {
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throw new Exception("...error in getReductionPolynomial()");
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}
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ECFieldF2m field = new ECFieldF2m(F2M_M, F2M_RP);
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if (!(Arrays.equals(F2M_KS,
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field.getMidTermsOfReductionPolynomial()))) {
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throw new Exception("...error in getMidTermsOfReductionPolynomial()");
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}
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if (field.getFieldSize() != F2M_M) {
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throw new Exception("...error in getFieldSize()");
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}
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}
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private static void testECParameterSpec() throws Exception {
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System.out.println("Testing ECParameterSpec(...)");
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for (int i = 0; i < 2; i++) {
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try {
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switch (i) {
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case 0:
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System.out.println("with zero order");
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new ECParameterSpec(CURVE, POINT, ZERO, COFACTOR);
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break;
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case 1:
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System.out.println("with negative cofactor");
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new ECParameterSpec(CURVE, POINT, ORDER, -1);
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break;
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}
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throw new Exception("...should throw IAE");
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} catch (IllegalArgumentException iae) {
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System.out.println("...expected IAE thrown");
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}
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}
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for (int i = 0; i < 3; i++) {
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try {
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switch (i) {
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case 0:
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System.out.println("with null curve");
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new ECParameterSpec(null, POINT, ORDER, COFACTOR);
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break;
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case 1:
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System.out.println("with null generator");
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new ECParameterSpec(CURVE, null, ORDER, COFACTOR);
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break;
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case 2:
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System.out.println("with null order");
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new ECParameterSpec(CURVE, POINT, null, COFACTOR);
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break;
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}
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throw new Exception("...should throw NPE");
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} catch (NullPointerException npe) {
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System.out.println("...expected NPE thrown");
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}
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}
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if (!(CURVE.equals(PARAMS.getCurve()))) {
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throw new Exception("...error in getCurve()");
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}
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if (!(POINT.equals(PARAMS.getGenerator()))) {
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throw new Exception("...error in getGenerator()");
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}
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if (!(ORDER.equals(PARAMS.getOrder()))) {
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throw new Exception("...error in getOrder()");
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}
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if (COFACTOR != PARAMS.getCofactor()) {
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throw new Exception("...error in getCofactor()");
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}
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}
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private static void testECGenParameterSpec() throws Exception {
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System.out.println("Testing ECGenParameterSpec(String)");
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try {
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new ECGenParameterSpec(null);
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throw new Exception("...should throw NPE");
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} catch (NullPointerException npe) {
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System.out.println("...expected NPE thrown");
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}
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if (!("prime192v1".equals(GENPARAMS.getName()))) {
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throw new Exception("...error in getName()");
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}
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}
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private static void testECPoint() throws Exception {
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System.out.println("Testing ECParameterSpec(...)");
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for (int i = 0; i < 2; i++) {
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try {
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switch (i) {
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case 0:
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System.out.println("with null x-coordinate");
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new ECPoint(null, TEN);
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break;
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case 1:
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System.out.println("with null y-coordinate");
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new ECPoint(ONE, null);
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break;
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}
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throw new Exception("...should throw NPE");
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} catch (NullPointerException npe) {
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System.out.println("...expected NPE thrown");
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}
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}
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if (!(ONE.equals(POINT.getAffineX()))) {
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throw new Exception("...error in getAffineX()");
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}
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if (!(TEN.equals(POINT.getAffineY()))) {
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throw new Exception("...error in getAffineY()");
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}
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}
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private static void testECPublicKeySpec() throws Exception {
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System.out.println("Testing ECPublicKeySpec(...)");
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for (int i = 0; i < 2; i++) {
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try {
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switch (i) {
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case 0:
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System.out.println("with null public value");
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new ECPublicKeySpec(null, PARAMS);
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break;
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case 1:
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System.out.println("with null params");
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new ECPublicKeySpec(POINT, null);
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break;
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}
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throw new Exception("...should throw NPE");
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} catch (NullPointerException npe) {
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System.out.println("...expected NPE thrown");
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}
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}
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if (!(POINT.equals(PUB_KEY.getW()))) {
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throw new Exception("...error in getW()");
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}
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if (!(PARAMS.equals(PUB_KEY.getParams()))) {
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throw new Exception("...error in getParams()");
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}
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}
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private static void testECPrivateKeySpec() throws Exception {
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System.out.println("Testing ECPrivateKeySpec(...)");
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for (int i = 0; i < 2; i++) {
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try {
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switch (i) {
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case 0:
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System.out.println("with null private value");
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new ECPrivateKeySpec(null, PARAMS);
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break;
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case 1:
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System.out.println("with null param");
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new ECPrivateKeySpec(ONE, null);
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break;
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}
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throw new Exception("...should throw NPE");
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} catch (NullPointerException npe) {
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System.out.println("...expected NPE thrown");
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}
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}
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if (!(TEN.equals(PRIV_KEY.getS()))) {
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throw new Exception("...error in getS()");
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}
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if (!(PARAMS.equals(PRIV_KEY.getParams()))) {
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throw new Exception("...error in getParams()");
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}
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}
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private static void testEllipticCurve() throws Exception {
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System.out.println("Testing EllipticCurve(...)");
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for (int j = 0; j < 2; j++) {
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BigInteger a = ONE;
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BigInteger b = ONE;
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if (j == 0) { // test a out of range
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System.out.println("with a's value out of range");
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a = BigInteger.valueOf(20);
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} else { // test b out of range
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System.out.println("with b's value out of range");
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b = BigInteger.valueOf(20);
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}
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System.out.println(">> over ECFieldFp");
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for (int i = 0; i < 3; i++) {
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try {
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switch (i) {
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case 0:
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new EllipticCurve(FP, a, b);
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break;
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case 1:
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new EllipticCurve(FP, a, b, null);
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break;
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case 2:
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new EllipticCurve(FP, a, b, new byte[8]);
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break;
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}
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throw new Exception("...should throw IAE");
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} catch (IllegalArgumentException iae) {
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System.out.println("...expected IAE thrown for #" + (i+1));
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}
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}
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System.out.println(">> over ECFieldF2m");
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for (int i = 0; i < 3; i++) {
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try {
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switch (i) {
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case 0:
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new EllipticCurve(F2M, a, b);
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break;
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case 1:
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new EllipticCurve(F2M, a, b, null);
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break;
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case 2:
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new EllipticCurve(F2M, a, b, new byte[8]);
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break;
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}
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throw new Exception("...should throw IAE");
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} catch (IllegalArgumentException iae) {
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System.out.println("...expected IAE thrown for #" + (i+1));
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}
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}
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}
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for (int i = 0; i < 6; i++) {
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try {
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switch (i) {
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case 0:
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new EllipticCurve(null, ONE, TEN);
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break;
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case 1:
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new EllipticCurve(FP, null, TEN);
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break;
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case 2:
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new EllipticCurve(FP, ONE, null);
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break;
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case 3:
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new EllipticCurve(null, ONE, TEN, null);
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break;
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case 4:
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new EllipticCurve(FP, null, TEN, null);
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break;
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case 5:
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new EllipticCurve(FP, ONE, null, null);
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break;
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}
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throw new Exception("...should throw NPE");
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} catch (NullPointerException npe) {
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System.out.println("...expected NPE thrown");
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}
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}
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if (!(FP.equals(CURVE.getField()))) {
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throw new Exception("...error in getField()");
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}
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if (!(ONE.equals(CURVE.getA()))) {
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throw new Exception("...error in getA()");
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}
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if (!(ONE.equals(CURVE.getB()))) {
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throw new Exception("...error in getB()");
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}
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if (!(CURVE.equals(new EllipticCurve(FP, ONE, ONE, null)))) {
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throw new Exception("...error in equals()");
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}
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}
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private static void testAllHashCode() throws Exception {
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// make sure no unexpected exception when hashCode() is called.
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FP.hashCode();
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F2M.hashCode();
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GENPARAMS.hashCode();
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PARAMS.hashCode();
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POINT.hashCode();
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PRIV_KEY.hashCode();
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PUB_KEY.hashCode();
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CURVE.hashCode();
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}
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public static void main(String[] argv) throws Exception {
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testECFieldFp();
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testECFieldF2m();
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testECParameterSpec();
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testECGenParameterSpec();
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testECPoint();
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testECPrivateKeySpec();
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testECPublicKeySpec();
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testEllipticCurve();
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testAllHashCode();
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System.out.println("All Test Passed");
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}
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}
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