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Java example source code file (OidFormat.java)

This example Java source code file (OidFormat.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

crypto, derinputstream, deroutputstream, encryptedprivatekeyinfo, exception, gssexception, i\/o, ioexception, nosuchalgorithmexception, objectidentifier, oid, oidformat, security, string, test, util

The OidFormat.java Java example source code

/*
 * Copyright (c) 2006, 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.
 *
 * 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.
 */

/*
 * @test
 * @author Weijun Wang
 * @bug 6418422
 * @bug 6418425
 * @bug 6418433
 * @summary ObjectIdentifier should reject 1.2.3.-4 and throw IOException on all format errors
 */

import java.io.IOException;
import java.security.NoSuchAlgorithmException;
import org.ietf.jgss.GSSException;
import org.ietf.jgss.Oid;
import javax.crypto.EncryptedPrivateKeyInfo;
import sun.security.util.*;
import java.util.Arrays;

public class OidFormat {
    public static void main(String[] args) throws Exception {
        String[] badOids = {
            // number problems
            "0", "1", "2",
            "3.1.1", "3", "4",
            "1.40", "1.111.1",
            "-1.2", "0,-2", "1.-2", "2.-2",
            "1.2.-3.4", "1.2.3.-4",
            // format problems
            "aa", "aa.aa",
            "", "....", "1.2..4", "1.2.3.", "1.", "1.2.", "0.1.",
            "1,2",
        };

        for (String s: badOids) {
            testBad(s);
        }

        String[] goodOids = {
            "0.0", "0.1", "1.0", "1.2",
            "0.39", "1.39", "2.47", "2.40.3.6", "2.100.3", "2.123456.3",
            "1.2.3", "1.2.3445",
            "1.3.6.1.4.1.42.2.17",
            // 4811968: ASN.1 cannot handle huge OID components
            "2.16.764.1.3101555394.1.0.100.2.1",
            "2.2726957624935694386592435",  // as huge as possible
            "1.2.777777777777777777",
            "1.2.888888888888888888.111111111111111.2222222222222.33333333333333333.44444444444444",
            "1.2." +
                "1111111111111111111111111111111111111111111111111111111111111." +
                "2222222222222222222222222222222222222222222222222222222222222222." +
                "333333333333333333333333333333333333333333333333333333333333333." +
                "4444444444444444444444444444444444444444444444444444444." +
                "55555555555555555555555555555555555555555555555555555555555555555555555." +
                "666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666." +
                "77777777777777777777777777777777777777777777777777777777777777777777777777." +
                "8888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888." +
                "9999999999999999999999999999999999999999999999999999999999999999999999999999999999999999",
            "1.2.2147483647.4",
            "1.2.268435456.4",
        };

        for (String s: goodOids) {
            testGood(s);
        }

        int[][] goodInts = {
            {0,0}, {0,1}, {1,0}, {1,2},
            {0,39}, {1,39}, {2,47}, {2,40,3,6}, {2,100,3}, {2,123456,3},
            {1,2,3}, {1,2,3445},
            {1,3,6,1,4,1,42,2,17},
        };

        for (int[] is: goodInts) {
            testGood(is);
        }

        int[][] badInts = new int[][] {
            {0}, {1}, {2},
            {3,1,1}, {3}, {4},
            {1,40}, {1,111,1},
            {-1,2}, {0,-2}, {1,-2}, {2,-2},
            {1,2,-3,4}, {1,2,3,-4},
        };

        for (int[] is: badInts) {
            testBad(is);
        }

    }

    static void testBad(int[] ints) throws Exception {
        System.err.println("Trying " + Arrays.toString(ints));
        try {
            new ObjectIdentifier(ints);
            throw new Exception("should be invalid ObjectIdentifier");
        } catch (IOException ioe) {
            System.err.println(ioe);
        }
    }

    static void testGood(int[] ints) throws Exception {
        System.err.println("Trying " + Arrays.toString(ints));
        ObjectIdentifier oid = new ObjectIdentifier(ints);
        DerOutputStream os = new DerOutputStream();
        os.putOID(oid);
        DerInputStream is = new DerInputStream(os.toByteArray());
        ObjectIdentifier oid2 = is.getOID();
        if (!oid.equals((Object)oid2)) {
            throw new Exception("Test DER I/O fails: " + oid + " and " + oid2);
        }
    }

    static void testGood(String s) throws Exception {
        System.err.println("Trying " + s);
        ObjectIdentifier oid = new ObjectIdentifier(s);
        if (!oid.toString().equals(s)) {
            throw new Exception("equal test fail");
        }
        DerOutputStream os = new DerOutputStream();
        os.putOID(oid);
        DerInputStream is = new DerInputStream(os.toByteArray());
        ObjectIdentifier oid2 = is.getOID();
        if (!oid.equals((Object)oid2)) {
            throw new Exception("Test DER I/O fails: " + oid + " and " + oid2);
        }
    }

    static void testBad(String s) throws Exception {
        System.err.println("Trying " + s);
        try {
            new ObjectIdentifier(s);
            throw new Exception("should be invalid ObjectIdentifier");
        } catch (IOException ioe) {
            System.err.println(ioe);
        }

        try {
            new Oid(s);
            throw new Exception("should be invalid Oid");
        } catch (GSSException gsse) {
            ;
        }

        try {
            new EncryptedPrivateKeyInfo(s, new byte[8]);
            throw new Exception("should be invalid algorithm");
        } catch (NoSuchAlgorithmException e) {
            ;
        }
    }
}

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