1 /*
2  * Copyright (c) 1999, Oracle and/or its affiliates. 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.
8  *
9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
15  * You should have received a copy of the GNU General Public License version
16  * 2 along with this work; if not, write to the Free Software Foundation,
17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18  *
19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
21  * questions.
22  */
23 
24 /* @test
25  * @bug 4228833
26  * @summary Make sure constructor that takes DerValue argument works
27  * @modules java.base/sun.security.util
28  *          java.base/sun.security.x509
29  */
30 
31 import sun.security.util.*;
32 import sun.security.x509.*;
33 
34 public class DerValueConstructor {
35 
main(String[] args)36     public static void main(String[] args) throws Exception {
37         String name = "CN=anne test";
38 
39         DerOutputStream debugDER;
40         byte[] ba;
41 
42         /*
43          * X500Name
44          */
45 
46         // encode
47         X500Name dn = new X500Name(name);
48         System.err.println("DEBUG: dn: " + dn.toString());
49         debugDER = new DerOutputStream();
50         dn.encode(debugDER);
51         ba = debugDER.toByteArray();
52         System.err.print("DEBUG: encoded X500Name bytes: ");
53         System.out.println(toHexString(ba));
54         System.err.println();
55 
56         // decode
57         System.out.println("DEBUG: decoding into X500Name ...");
58         X500Name dn1 = new X500Name(new DerValue(ba));
59         System.err.println("DEBUG: dn1: " + dn1.toString());
60         System.err.println();
61         dn1 = new X500Name(ba);
62         System.err.println("DEBUG: dn1: " + dn1.toString());
63         System.err.println();
64         dn1 = new X500Name(new DerInputStream(ba));
65         System.err.println("DEBUG: dn1: " + dn1.toString());
66         System.err.println();
67 
68         /*
69          * GeneralName
70          */
71 
72         // encode
73         GeneralName gn = new GeneralName(dn);
74         System.err.println("DEBUG: gn: " + gn.toString());
75         debugDER = new DerOutputStream();
76         gn.encode(debugDER);
77         ba = debugDER.toByteArray();
78         System.err.print("DEBUG: encoded GeneralName bytes: ");
79         System.out.println(toHexString(ba));
80         System.err.println();
81 
82         // decode
83         System.out.println("DEBUG: decoding into GeneralName ...");
84         GeneralName gn1 = new GeneralName(new DerValue(ba));
85         System.err.println("DEBUG: gn1: " + gn1.toString());
86         System.err.println();
87 
88         /*
89          * GeneralSubtree
90          */
91 
92         // encode
93         GeneralSubtree subTree = new GeneralSubtree(gn, 0, -1);
94         System.err.println("DEBUG: subTree: " + subTree.toString());
95         debugDER = new DerOutputStream();
96         subTree.encode(debugDER);
97         ba = debugDER.toByteArray();
98         System.err.print("DEBUG: encoded GeneralSubtree bytes: ");
99         System.out.println(toHexString(ba));
100         System.err.println();
101 
102         // decode
103         GeneralSubtree debugSubtree = new GeneralSubtree(new DerValue(ba));
104     }
105 
106     /*
107      * Converts a byte to hex digit and writes to the supplied buffer
108      */
byte2hex(byte b, StringBuffer buf)109     private static void byte2hex(byte b, StringBuffer buf) {
110         char[] hexChars = { '0', '1', '2', '3', '4', '5', '6', '7', '8',
111                             '9', 'A', 'B', 'C', 'D', 'E', 'F' };
112         int high = ((b & 0xf0) >> 4);
113         int low = (b & 0x0f);
114         buf.append(hexChars[high]);
115         buf.append(hexChars[low]);
116     }
117 
118     /*
119      * Converts a byte array to hex string
120      */
toHexString(byte[] block)121     private static String toHexString(byte[] block) {
122         StringBuffer buf = new StringBuffer();
123 
124         int len = block.length;
125 
126         for (int i = 0; i < len; i++) {
127             byte2hex(block[i], buf);
128             if (i < len-1) {
129                 buf.append(":");
130             }
131         }
132         return buf.toString();
133     }
134 }
135