/*
* Copyright (c) 1999, 2001, 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
* @bug 4178326
* @summary Make sure reading/writing of different DER encoded string
* types works correctly.
*/
import java.io.*;
import sun.security.util.*;
public class StringTypes {
private static String s = null;
private static String fileName = "StringTypes.bin";
public static void main(String[] args) throws Exception {
s = new String("This is just a test!");
byte[] asciiBytes = s.getBytes("ASCII");
byte[] utf8Bytes = s.getBytes("UTF8");
byte[] iso8859_1Bytes = s.getBytes("ISO-8859-1");
byte[] unicodeBytes = s.getBytes("UnicodeBigUnmarked");
byte[] unicodeBytes2 = getBytes(s);
// test that unicode encoder is the correct one
if (!equalBytes(unicodeBytes, unicodeBytes2))
throw new Exception ("Problem with unicode encoder being used.");
FileOutputStream fout = new FileOutputStream(fileName);
DerOutputStream derOut = new DerOutputStream();
System.out.println("Writing Java string out as various DER" +
" encoded Strings now...");
derOut.putUTF8String(s);
derOut.putPrintableString(s);
derOut.putIA5String(s);
derOut.putT61String(s);
derOut.putBMPString(s);
derOut.derEncode(fout);
fout.close();
FileInputStream fis = new FileInputStream(fileName);
byte[] data = new byte[fis.available()];
fis.read(data);
DerInputStream derIn = new DerInputStream(data);
fis.close();
System.out.println("\nReading Strings back as DerValue's...\n");
DerValue der;
der = derIn.getDerValue();
verifyDER("UTF8", der, DerValue.tag_UTF8String, utf8Bytes);
der = derIn.getDerValue();
verifyDER("Printable", der, DerValue.tag_PrintableString, asciiBytes);
der = derIn.getDerValue();
verifyDER("IA5", der, DerValue.tag_IA5String, asciiBytes);
der = derIn.getDerValue();
verifyDER("T61", der, DerValue.tag_T61String, iso8859_1Bytes);
der = derIn.getDerValue();
verifyDER("BMP", der, DerValue.tag_BMPString, unicodeBytes);
if (derIn.available() > 0)
throw new Exception("DerInputStream has extra data!");
derIn.reset();
System.out.println("Reading Strings back as Strings...\n");
verifyString("UTF8", derIn.getUTF8String());
verifyString("Printable", derIn.getPrintableString());
verifyString("IA5", derIn.getIA5String());
verifyString("T61", derIn.getT61String());
verifyString("BMP", derIn.getBMPString());
}
/**
* Return the unicode bytes in the string as a byte[]
*/
private static byte[] getBytes(String s) {
int len = s.length();
byte[] retVal = new byte[len*2]; // each unicode char is two bytes
for (int i = 0, j = 0; i < len; i++, j+=2) {
retVal[j] = (byte) (s.charAt(i)>>8);
retVal[j+1] = (byte) (s.charAt(i));
}
return retVal;
}
/* Compare two byte arrays */
private static boolean equalBytes(byte[] a, byte[] b) {
int len1 = a.length;
int len2 = b.length;
if (len1 != len2)
return false;
for (int i = 0; i < len1 && i < len2; i++)
if (a[i] != b[i])
return false;
return true;
}
/* Verify that the DER object is correct */
private static void verifyDER(String type,
DerValue der, byte tag,
byte[] data) throws Exception {
if (der.tag != tag)
throw new Exception("Problem with tag for " + type);
if (!equalBytes(der.data.toByteArray(), data))
throw new Exception("Problem with data for " + type);
System.out.println(type + " checks out OK");
System.out.println("Calling toString on it: " + der.toString() + "\n");
}
private static void verifyString(String type, String str)
throws Exception {
if (!s.equals(str))
throw new Exception("Problem with string " + type);
System.out.println(type + "String checks out OK\n");
}
}