1 /*
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   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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   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
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  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
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  23 
  24 /**
  25  * @test
  26  * @bug 6313661
  27  * @summary Basic known-answer-test for TlsPrf
  28  * @author Andreas Sterbenz
  29  * @modules java.base/sun.security.internal.spec
  30  */
  31 
  32 import java.io.*;
  33 import java.util.*;
  34 
  35 import java.security.Security;
  36 import java.security.Provider;
  37 
  38 import javax.crypto.KeyGenerator;
  39 import javax.crypto.SecretKey;
  40 
  41 import javax.crypto.spec.*;
  42 
  43 import sun.security.internal.spec.*;
  44 
  45 public class TestPRF extends Utils {
  46 
  47     private static int PREFIX_LENGTH = "prf-output: ".length();
  48 
  49     public static void main(String[] args) throws Exception {
  50         Provider provider = Security.getProvider("SunJCE");
  51 
  52         InputStream in = new FileInputStream(new File(BASE, "prfdata.txt"));
  53         BufferedReader reader = new BufferedReader(new InputStreamReader(in));
  54 
  55         int n = 0;
  56         int lineNumber = 0;
  57 
  58         byte[] secret = null;
  59         String label = null;
  60         byte[] seed = null;
  61         int length = 0;
  62         byte[] output = null;
  63 
  64         while (true) {
  65             String line = reader.readLine();
  66             lineNumber++;
  67             if (line == null) {
  68                 break;
  69             }
  70             if (line.startsWith("prf-") == false) {
  71                 continue;
  72             }
  73 
  74             String data = line.substring(PREFIX_LENGTH);
  75             if (line.startsWith("prf-secret:")) {
  76                 secret = parse(data);
  77             } else if (line.startsWith("prf-label:")) {
  78                 label = data;
  79             } else if (line.startsWith("prf-seed:")) {
  80                 seed = parse(data);
  81             } else if (line.startsWith("prf-length:")) {
  82                 length = Integer.parseInt(data);
  83             } else if (line.startsWith("prf-output:")) {
  84                 output = parse(data);
  85 
  86                 System.out.print(".");
  87                 n++;
  88 
  89                 KeyGenerator kg =
  90                     KeyGenerator.getInstance("SunTlsPrf", provider);
  91                 SecretKey inKey;
  92                 if (secret == null) {
  93                     inKey = null;
  94                 } else {
  95                     inKey = new SecretKeySpec(secret, "Generic");
  96                 }
  97                 TlsPrfParameterSpec spec =
  98                     new TlsPrfParameterSpec(inKey, label, seed, length,
  99                         null, -1, -1);
 100                 kg.init(spec);
 101                 SecretKey key = kg.generateKey();
 102                 byte[] enc = key.getEncoded();
 103                 if (Arrays.equals(output, enc) == false) {
 104                     throw new Exception("mismatch line: " + lineNumber);
 105                 }
 106             } else {
 107                 throw new Exception("Unknown line: " + line);
 108             }
 109         }
 110         if (n == 0) {
 111             throw new Exception("no tests");
 112         }
 113         in.close();
 114         System.out.println();
 115         System.out.println("OK: " + n + " tests");
 116     }
 117 
 118 }