1 /*
2 * Copyright (c) 1999, 2001, 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 /*
25 * @test
26 * @bug 4178326
27 * @summary Make sure reading/writing of different DER encoded string
28 * types works correctly.
29 */
30
31 import java.io.*;
32 import sun.security.util.*;
33
34 public class StringTypes {
35
36 private static String s = null;
37 private static String fileName = "StringTypes.bin";
38
39 public static void main(String[] args) throws Exception {
40
41 s = new String("This is just a test!");
42
43 byte[] asciiBytes = s.getBytes("ASCII");
44 byte[] utf8Bytes = s.getBytes("UTF8");
45 byte[] iso8859_1Bytes = s.getBytes("ISO-8859-1");
46
47 byte[] unicodeBytes = s.getBytes("UnicodeBigUnmarked");
48 byte[] unicodeBytes2 = getBytes(s);
49
50 // test that unicode encoder is the correct one
51 if (!equalBytes(unicodeBytes, unicodeBytes2))
52 throw new Exception ("Problem with unicode encoder being used.");
53
54 FileOutputStream fout = new FileOutputStream(fileName);
55 DerOutputStream derOut = new DerOutputStream();
56
57 System.out.println("Writing Java string out as various DER" +
58 " encoded Strings now...");
59 derOut.putUTF8String(s);
60 derOut.putPrintableString(s);
61 derOut.putIA5String(s);
62 derOut.putT61String(s);
63 derOut.putBMPString(s);
64
65 derOut.derEncode(fout);
66 fout.close();
67
68 FileInputStream fis = new FileInputStream(fileName);
69 byte[] data = new byte[fis.available()];
70 fis.read(data);
71 DerInputStream derIn = new DerInputStream(data);
72 fis.close();
73
74 System.out.println("\nReading Strings back as DerValue's...\n");
75
76 DerValue der;
77
78 der = derIn.getDerValue();
79 verifyDER("UTF8", der, DerValue.tag_UTF8String, utf8Bytes);
80
81 der = derIn.getDerValue();
82 verifyDER("Printable", der, DerValue.tag_PrintableString, asciiBytes);
83
84 der = derIn.getDerValue();
85 verifyDER("IA5", der, DerValue.tag_IA5String, asciiBytes);
86
87 der = derIn.getDerValue();
88 verifyDER("T61", der, DerValue.tag_T61String, iso8859_1Bytes);
89
90 der = derIn.getDerValue();
91 verifyDER("BMP", der, DerValue.tag_BMPString, unicodeBytes);
92
93 if (derIn.available() > 0)
94 throw new Exception("DerInputStream has extra data!");
95
96
97 derIn.reset();
98
99 System.out.println("Reading Strings back as Strings...\n");
100
101 verifyString("UTF8", derIn.getUTF8String());
102 verifyString("Printable", derIn.getPrintableString());
103 verifyString("IA5", derIn.getIA5String());
104 verifyString("T61", derIn.getT61String());
105 verifyString("BMP", derIn.getBMPString());
106
107 }
108
109 /**
110 * Return the unicode bytes in the string as a byte[]
111 */
112 private static byte[] getBytes(String s) {
113
114 int len = s.length();
115 byte[] retVal = new byte[len*2]; // each unicode char is two bytes
116
117 for (int i = 0, j = 0; i < len; i++, j+=2) {
118 retVal[j] = (byte) (s.charAt(i)>>8);
119 retVal[j+1] = (byte) (s.charAt(i));
120 }
121
122 return retVal;
123 }
124
125 /* Compare two byte arrays */
126 private static boolean equalBytes(byte[] a, byte[] b) {
127
128 int len1 = a.length;
129 int len2 = b.length;
130
131 if (len1 != len2)
132 return false;
133
134 for (int i = 0; i < len1 && i < len2; i++)
135 if (a[i] != b[i])
136 return false;
137
138 return true;
139 }
140
141 /* Verify that the DER object is correct */
142 private static void verifyDER(String type,
143 DerValue der, byte tag,
144 byte[] data) throws Exception {
145 if (der.tag != tag)
146 throw new Exception("Problem with tag for " + type);
147
148 if (!equalBytes(der.data.toByteArray(), data))
149 throw new Exception("Problem with data for " + type);
150
151 System.out.println(type + " checks out OK");
152 System.out.println("Calling toString on it: " + der.toString() + "\n");
153 }
154
155 private static void verifyString(String type, String str)
156 throws Exception {
157
158 if (!s.equals(str))
159 throw new Exception("Problem with string " + type);
160
161 System.out.println(type + "String checks out OK\n");
162 }
163
164 }