File: TestDigestIOStream.java

package info (click to toggle)
openjdk-11 11.0.4%2B11-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 757,028 kB
  • sloc: java: 5,016,041; xml: 1,191,974; cpp: 934,731; ansic: 555,697; sh: 24,299; objc: 12,703; python: 3,602; asm: 3,415; makefile: 2,772; awk: 351; sed: 172; perl: 114; jsp: 24; csh: 3
file content (367 lines) | stat: -rw-r--r-- 14,580 bytes parent folder | download | duplicates (6)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
/*
 * Copyright (c) 2003, 2017, 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.
 */

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import java.security.DigestInputStream;
import java.security.DigestOutputStream;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.security.Security;
import java.util.Arrays;
import java.util.Random;
import jdk.test.lib.RandomFactory;
import static java.lang.System.out;

/**
 * @test
 * @bug 8050370 8156059
 * @summary MessageDigest tests with DigestIOStream
 * @author Kevin Liu
 * @key randomness
 * @library /test/lib
 * @build jdk.test.lib.RandomFactory
 * @run main/timeout=180 TestDigestIOStream
 */

enum ReadModel {
    READ, BUFFER_READ, MIX_READ
}

public class TestDigestIOStream {

    private static final int[] DATA_LEN_ARRAY = { 1, 50, 2500, 125000,
            6250000 };
    private static final String[] ALGORITHM_ARRAY = { "MD2", "MD5", "SHA1",
            "SHA-224", "SHA-256", "SHA-384", "SHA-512", "SHA3-224", "SHA3-256",
            "SHA3-384", "SHA3-512" };

    private static byte[] data;

    private static MessageDigest md = null;

    public static void main(String argv[]) throws Exception {
        TestDigestIOStream test = new TestDigestIOStream();
        test.run();
    }

    public void run() throws Exception {
        for (String algorithm : ALGORITHM_ARRAY) {
            try {
                md = MessageDigest.getInstance(algorithm);
                for (int length : DATA_LEN_ARRAY) {

                    Random rdm = RandomFactory.getRandom();
                    data = new byte[length];
                    rdm.nextBytes(data);

                    if (!testMDChange(algorithm, length)) {
                        throw new RuntimeException("testMDChange failed at:"
                                + algorithm + "/" + length);
                    }
                    if (!testMDShare(algorithm, length)) {
                        throw new RuntimeException("testMDShare failed at:"
                                + algorithm + "/" + length);
                    }
                    for (ReadModel readModel : ReadModel.values()) {
                        // test Digest function when digest switch on
                        if (!testDigestOnOff(algorithm, readModel, true,
                                length)) {
                            throw new RuntimeException(
                                    "testDigestOn failed at:" + algorithm + "/"
                                            + length + "/" + readModel);
                        }
                        // test Digest function when digest switch off
                        if (!testDigestOnOff(algorithm, readModel, false,
                                length)) {
                            throw new RuntimeException(
                                    "testDigestOff failed at:" + algorithm + "/"
                                            + length + "/" + readModel);
                        }
                    }
                }
            } catch (NoSuchAlgorithmException nae) {
                if (algorithm.startsWith("SHA3") && !isSHA3supported()) {
                    continue;
                } else {
                    throw nae;
                }
            }
        }
        int testNumber = ALGORITHM_ARRAY.length * ReadModel.values().length
                * DATA_LEN_ARRAY.length * 2
                + ALGORITHM_ARRAY.length * DATA_LEN_ARRAY.length * 2;
        out.println("All " + testNumber + " Tests Passed");
    }

    // SHA-3 hash algorithms are only supported by "SUN" provider
    // and "OracleUcrypto" provider on Solaris 12.0 or later
    // This method checks if system supports SHA-3
    private boolean isSHA3supported() {
        if (Security.getProvider("SUN") != null) {
            return true;
        }
        if (Security.getProvider("OracleUcrypto") != null
                && "SunOS".equals(System.getProperty("os.name"))
                && System.getProperty("os.version").compareTo("5.12") >= 0) {
            return true;
        }
        return false;
    }

    /**
     * Test DigestInputStream and DigestOutputStream digest function when digest
     * set on and off
     *
     * @param algo
     *            Message Digest algorithm
     * @param readModel
     *            which read method used(READ, BUFFER_READ, MIX_READ)
     * @param on
     *            digest switch(on and off)
     * @param dataLength
     *            plain test data length.
     * @exception Exception
     *                throw unexpected exception
     */
    public boolean testDigestOnOff(String algo, ReadModel readModel, boolean on,
            int dataLength) throws Exception {

        // Generate the DigestInputStream/DigestOutputStream object
        try (ByteArrayInputStream bais = new ByteArrayInputStream(data);
                DigestInputStream dis = new DigestInputStream(bais,
                        MessageDigest.getInstance(algo));
                ByteArrayOutputStream baos = new ByteArrayOutputStream();
                DigestOutputStream dos = new DigestOutputStream(baos,
                        MessageDigest.getInstance(algo));
                ByteArrayOutputStream baOut = new ByteArrayOutputStream();) {

            // Perform the update using all available/possible update methods
            int k = 0;
            byte[] buffer = new byte[5];
            boolean enDigest = true;
            // Make sure the digest function is on (default)
            dis.on(enDigest);
            dos.on(enDigest);

            switch (readModel) {
            case READ: // use only read()
                while ((k = dis.read()) != -1) {
                    if (on) {
                        dos.write(k);
                    } else {
                        dos.write(k);
                        if (enDigest) {
                            baOut.write(k);
                        }
                        enDigest = !enDigest;
                        dos.on(enDigest);
                        dis.on(enDigest);
                    }
                }
                break;
            case BUFFER_READ: // use only read(byte[], int, int)
                while ((k = dis.read(buffer, 0, buffer.length)) != -1) {
                    if (on) {
                        dos.write(buffer, 0, k);
                    } else {
                        dos.write(buffer, 0, k);
                        if (enDigest) {
                            baOut.write(buffer, 0, k);
                        }
                        enDigest = !enDigest;
                        dis.on(enDigest);
                        dos.on(enDigest);
                    }
                }
                break;
            case MIX_READ: // use both read() and read(byte[], int, int)
                while ((k = dis.read()) != -1) {
                    if (on) {
                        dos.write(k);
                        if ((k = dis.read(buffer, 0, buffer.length)) != -1) {
                            dos.write(buffer, 0, k);
                        }
                    } else {
                        dos.write(k);
                        if (enDigest) {
                            baOut.write(k);
                        }
                        enDigest = !enDigest;
                        dis.on(enDigest);
                        dos.on(enDigest);
                        if ((k = dis.read(buffer, 0, buffer.length)) != -1) {
                            dos.write(buffer, 0, k);
                            if (enDigest) {
                                baOut.write(buffer, 0, k);
                            }
                            enDigest = !enDigest;
                            dis.on(enDigest);
                            dos.on(enDigest);
                        }
                    }
                }
                break;
            default:
                out.println("ERROR: Invalid read/write combination choice!");
                return false;
            }

            // Get the output and the "correct" digest values
            byte[] output1 = dis.getMessageDigest().digest();
            byte[] output2 = dos.getMessageDigest().digest();
            byte[] standard;
            if (on) {
                standard = md.digest(data);
            } else {
                byte[] dataDigested = baOut.toByteArray();
                standard = md.digest(dataDigested);
            }

            // Compare the output byte array value to the input data
            if (!MessageDigest.isEqual(data, baos.toByteArray())) {
                out.println("ERROR of " + readModel
                        + ": output and input data unexpectedly changed");
                return false;
            }
            // Compare generated digest values
            if (!MessageDigest.isEqual(output1, standard)
                    || !MessageDigest.isEqual(output2, standard)) {
                out.println("ERROR" + readModel
                        + ": generated digest data unexpectedly changed");
                return false;
            }

            return true;
        } catch (Exception ex) {
            out.println("testDigestOnOff failed at:" + algo + "/" + readModel
                    + "/" + dataLength + " with unexpected exception");
            throw ex;
        }
    }

    /**
     * Test DigestInputStream and DigestOutputStream digest function when Swap
     * the message digest engines between DigestIn/OutputStream
     *
     * @param algo
     *            Message Digest algorithm
     * @param dataLength
     *            plain test data length.
     * @exception Exception
     *                throw unexpected exception
     */
    public boolean testMDChange(String algo, int dataLength) throws Exception {
        // Generate the DigestInputStream/DigestOutputStream object
        MessageDigest mdIn = MessageDigest.getInstance(algo);
        MessageDigest mdOut = MessageDigest.getInstance(algo);
        try (ByteArrayInputStream bais = new ByteArrayInputStream(data);
                DigestInputStream dis = new DigestInputStream(bais, mdIn);
                ByteArrayOutputStream baos = new ByteArrayOutputStream();
                DigestOutputStream dos = new DigestOutputStream(baos, mdOut);) {

            // Perform the update using all available/possible update methods
            int k = 0;
            byte[] buffer = new byte[10];

            // use both read() and read(byte[], int, int)
            while ((k = dis.read()) != -1) {
                dos.write(k);
                if ((k = dis.read(buffer, 0, buffer.length)) != -1) {
                    dos.write(buffer, 0, k);
                }

                // Swap the message digest engines between
                // DigestIn/OutputStream objects
                dis.setMessageDigest(mdOut);
                dos.setMessageDigest(mdIn);
                mdIn = dis.getMessageDigest();
                mdOut = dos.getMessageDigest();
            }

            // Get the output and the "correct" digest values
            byte[] output1 = mdIn.digest();
            byte[] output2 = mdOut.digest();
            byte[] standard = md.digest(data);

            // Compare generated digest values
            return MessageDigest.isEqual(output1, standard)
                    && MessageDigest.isEqual(output2, standard);
        } catch (Exception ex) {
            out.println("testMDChange failed at:" + algo + "/" + dataLength
                    + " with unexpected exception");
            throw ex;
        }
    }

    /**
     * Test DigestInputStream and DigestOutputStream digest function when use
     * same message digest object.
     *
     * @param algo
     *            Message Digest algorithm
     * @param dataLength
     *            plain test data length.
     * @exception Exception
     *                throw unexpected exception
     */
    public boolean testMDShare(String algo, int dataLength) throws Exception {
        MessageDigest mdCommon = MessageDigest.getInstance(algo);
        // Generate the DigestInputStream/DigestOutputStream object
        try (ByteArrayInputStream bais = new ByteArrayInputStream(data);
                DigestInputStream dis = new DigestInputStream(bais, mdCommon);
                ByteArrayOutputStream baos = new ByteArrayOutputStream();
                DigestOutputStream dos = new DigestOutputStream(baos,
                        mdCommon);) {

            // Perform the update using all available/possible update methods
            int k = 0;
            byte[] buffer = new byte[10];

            // use both read() and read(byte[], int, int)
            while (k < data.length) {
                int len = dis.read(buffer, 0, buffer.length);
                if (len != -1) {
                    k += len;
                    if (k < data.length) {
                        dos.write(data[k]);
                        k++;
                        dis.skip(1);
                    }
                }
            }

            // Get the output and the "correct" digest values
            byte[] output = mdCommon.digest();
            byte[] standard = md.digest(data);

            // Compare generated digest values
            return MessageDigest.isEqual(output, standard);
        } catch (Exception ex) {
            out.println("TestMDShare failed at:" + algo + "/" + dataLength
                    + " with unexpected exception");
            throw ex;
        }
    }
}