summaryrefslogtreecommitdiff
path: root/cmd/lowhashtest/lowhashtest.c
blob: a711ebd4af32463d82ef2fd927f7083176cc503a (plain)
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
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
#include <stdio.h>
#include <string.h>
#include <assert.h>

#include "nspr.h"

/* nss headers */
#include "prtypes.h"
#include "plgetopt.h"
#include "hasht.h"
#include "nsslowhash.h"
#include "secport.h"
#include "hasht.h"
#include "basicutil.h"

static char *progName = NULL;

static int
test_long_message(NSSLOWInitContext *initCtx,
                  HASH_HashType algoType, unsigned int hashLen,
                  const PRUint8 expected[], PRUint8 results[])
{
    unsigned int len, i, rv = 0;
    NSSLOWHASHContext *ctx;

    /* The message is meant to be 'a' repeated 1,000,000 times.
     * This is too much to allocate on the stack so we will use a 1,000 char
     * buffer and call update 1,000 times.
     */
    unsigned char buf[1000];
    (void)PORT_Memset(buf, 'a', sizeof(buf));

    ctx = NSSLOWHASH_NewContext(initCtx, algoType);
    if (ctx == NULL) {
        SECU_PrintError(progName, "Couldn't get hash context\n");
        return 1;
    }

    NSSLOWHASH_Begin(ctx);
    for (i = 0; i < 1000; ++i) {
        NSSLOWHASH_Update(ctx, buf, 1000);
    }

    NSSLOWHASH_End(ctx, results, &len, hashLen);
    PR_ASSERT(len == hashLen);
    PR_ASSERT(PORT_Memcmp(expected, results, hashLen) == 0);
    if (PORT_Memcmp(expected, results, len) != 0) {
        SECU_PrintError(progName, "Hash mismatch\n");
        SECU_PrintBuf(stdout, "Expected: ", expected, hashLen);
        SECU_PrintBuf(stdout, "Actual:   ", results, len);
        rv = 1;
    }

    NSSLOWHASH_Destroy(ctx);
    NSSLOW_Shutdown(initCtx);

    return rv;
}

static int
test_long_message_sha1(NSSLOWInitContext *initCtx)
{
    PRUint8 results[SHA1_LENGTH];
    /* Test vector from FIPS 180-2: appendix B.3.  */

    /* 34aa973c d4c4daa4 f61eeb2b dbad2731 6534016f. */
    static const PRUint8 expected[SHA256_LENGTH] = { 0x34, 0xaa, 0x97, 0x3c, 0xd4, 0xc4, 0xda, 0xa4, 0xf6, 0x1e, 0xeb, 0x2b,
                                                     0xdb, 0xad, 0x27, 0x31, 0x65, 0x34, 0x01, 0x6f };

    return test_long_message(initCtx, HASH_AlgSHA1,
                             SHA1_LENGTH, &expected[0], results);
}

static int
test_long_message_sha256(NSSLOWInitContext *initCtx)
{
    PRUint8 results[SHA256_LENGTH];
    /* cdc76e5c 9914fb92 81a1c7e2 84d73e67 f1809a48 a497200e 046d39cc c7112cd0. */
    static const PRUint8 expected[SHA256_LENGTH] = { 0xcd, 0xc7, 0x6e, 0x5c, 0x99, 0x14, 0xfb, 0x92, 0x81, 0xa1, 0xc7, 0xe2, 0x84, 0xd7, 0x3e, 0x67,
                                                     0xf1, 0x80, 0x9a, 0x48, 0xa4, 0x97, 0x20, 0x0e, 0x04, 0x6d, 0x39, 0xcc, 0xc7, 0x11, 0x2c, 0xd0 };

    return test_long_message(initCtx, HASH_AlgSHA256,
                             SHA256_LENGTH, &expected[0], results);
}

static int
test_long_message_sha384(NSSLOWInitContext *initCtx)
{
    PRUint8 results[SHA384_LENGTH];
    /* Test vector from FIPS 180-2: appendix B.3.  */
    /*
    9d0e1809716474cb
    086e834e310a4a1c
    ed149e9c00f24852
    7972cec5704c2a5b
    07b8b3dc38ecc4eb
    ae97ddd87f3d8985.
    */
    static const PRUint8 expected[SHA384_LENGTH] = { 0x9d, 0x0e, 0x18, 0x09, 0x71, 0x64, 0x74, 0xcb,
                                                     0x08, 0x6e, 0x83, 0x4e, 0x31, 0x0a, 0x4a, 0x1c,
                                                     0xed, 0x14, 0x9e, 0x9c, 0x00, 0xf2, 0x48, 0x52,
                                                     0x79, 0x72, 0xce, 0xc5, 0x70, 0x4c, 0x2a, 0x5b,
                                                     0x07, 0xb8, 0xb3, 0xdc, 0x38, 0xec, 0xc4, 0xeb,
                                                     0xae, 0x97, 0xdd, 0xd8, 0x7f, 0x3d, 0x89, 0x85 };

    return test_long_message(initCtx, HASH_AlgSHA384,
                             SHA384_LENGTH, &expected[0], results);
}

static int
test_long_message_sha512(NSSLOWInitContext *initCtx)
{
    PRUint8 results[SHA512_LENGTH];
    /* Test vector from FIPS 180-2: appendix B.3.  */
    static const PRUint8 expected[SHA512_LENGTH] = { 0xe7, 0x18, 0x48, 0x3d, 0x0c, 0xe7, 0x69, 0x64, 0x4e, 0x2e, 0x42, 0xc7, 0xbc, 0x15, 0xb4, 0x63,
                                                     0x8e, 0x1f, 0x98, 0xb1, 0x3b, 0x20, 0x44, 0x28, 0x56, 0x32, 0xa8, 0x03, 0xaf, 0xa9, 0x73, 0xeb,
                                                     0xde, 0x0f, 0xf2, 0x44, 0x87, 0x7e, 0xa6, 0x0a, 0x4c, 0xb0, 0x43, 0x2c, 0xe5, 0x77, 0xc3, 0x1b,
                                                     0xeb, 0x00, 0x9c, 0x5c, 0x2c, 0x49, 0xaa, 0x2e, 0x4e, 0xad, 0xb2, 0x17, 0xad, 0x8c, 0xc0, 0x9b };

    return test_long_message(initCtx, HASH_AlgSHA512,
                             SHA512_LENGTH, &expected[0], results);
}

static int
testMessageDigest(NSSLOWInitContext *initCtx,
                  HASH_HashType algoType, unsigned int hashLen,
                  const unsigned char *message,
                  const PRUint8 expected[], PRUint8 results[])
{
    NSSLOWHASHContext *ctx;
    unsigned int len;
    int rv = 0;

    ctx = NSSLOWHASH_NewContext(initCtx, algoType);
    if (ctx == NULL) {
        SECU_PrintError(progName, "Couldn't get hash context\n");
        return 1;
    }

    NSSLOWHASH_Begin(ctx);
    NSSLOWHASH_Update(ctx, message, PORT_Strlen((const char *)message));
    NSSLOWHASH_End(ctx, results, &len, hashLen);
    PR_ASSERT(len == hashLen);
    PR_ASSERT(PORT_Memcmp(expected, results, len) == 0);

    if (PORT_Memcmp(expected, results, len) != 0) {
        SECU_PrintError(progName, "Hash mismatch\n");
        SECU_PrintBuf(stdout, "Expected: ", expected, hashLen);
        SECU_PrintBuf(stdout, "Actual:   ", results, len);
        rv = 1;
    }

    NSSLOWHASH_Destroy(ctx);
    NSSLOW_Shutdown(initCtx);

    return rv;
}

static int
testMD5(NSSLOWInitContext *initCtx)
{
    /* test vectors that glibc, our API main client, uses */

    static const struct {
        const unsigned char *input;
        const PRUint8 result[MD5_LENGTH];
    } md5tests[] = {
        { (unsigned char *)"",
          { 0xd4, 0x1d, 0x8c, 0xd9, 0x8f, 0x00, 0xb2, 0x04, 0xe9, 0x80, 0x09, 0x98, 0xec, 0xf8, 0x42, 0x7e } },
        { (unsigned char *)"a",
          { 0x0c, 0xc1, 0x75, 0xb9, 0xc0, 0xf1, 0xb6, 0xa8, 0x31, 0xc3, 0x99, 0xe2, 0x69, 0x77, 0x26, 0x61 } },
        { (unsigned char *)"abc",
          { 0x90, 0x01, 0x50, 0x98, 0x3c, 0xd2, 0x4f, 0xb0, 0xd6, 0x96, 0x3f, 0x7d, 0x28, 0xe1, 0x7f, 0x72 } },
        { (unsigned char *)"message digest",
          { 0xf9, 0x6b, 0x69, 0x7d, 0x7c, 0xb7, 0x93, 0x8d, 0x52, 0x5a, 0x2f, 0x31, 0xaa, 0xf1, 0x61, 0xd0 } },
        { (unsigned char *)"abcdefghijklmnopqrstuvwxyz",
          { 0xc3, 0xfc, 0xd3, 0xd7, 0x61, 0x92, 0xe4, 0x00, 0x7d, 0xfb, 0x49, 0x6c, 0xca, 0x67, 0xe1, 0x3b } },
        { (unsigned char *)"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
          { 0xd1, 0x74, 0xab, 0x98, 0xd2, 0x77, 0xd9, 0xf5, 0xa5, 0x61, 0x1c, 0x2c, 0x9f, 0x41, 0x9d, 0x9f } },
        { (unsigned char *)"123456789012345678901234567890123456789012345678901234567890"
                           "12345678901234567890",
          { 0x57, 0xed, 0xf4, 0xa2, 0x2b, 0xe3, 0xc9, 0x55, 0xac, 0x49, 0xda, 0x2e, 0x21, 0x07, 0xb6, 0x7a } }
    };
    PRUint8 results[MD5_LENGTH];
    int rv = 0, cnt, numTests;

    numTests = sizeof(md5tests) / sizeof(md5tests[0]);
    for (cnt = 0; cnt < numTests; cnt++) {
        rv += testMessageDigest(initCtx, HASH_AlgMD5, MD5_LENGTH,
                                (const unsigned char *)md5tests[cnt].input,
                                md5tests[cnt].result, &results[0]);
    }
    return rv;
}

/*
 * Tests with test vectors from FIPS 180-2 Appendixes B.1, B.2, B.3, C, and D
 *
 */

static int
testSHA1(NSSLOWInitContext *initCtx)
{
    static const struct {
        const unsigned char *input;
        const PRUint8 result[SHA1_LENGTH];
    } sha1tests[] = {
        /* one block messsage */
        {
            (const unsigned char *)"abc",
            /* a9993e36 4706816a ba3e2571 7850c26c 9cd0d89d. */

            { 0xa9, 0x99, 0x3e, 0x36, 0x47, 0x06, 0x81, 0x6a,  /* a9993e36 4706816a */
              0xba, 0x3e, 0x25, 0x71,                          /* ba3e2571 */
              0x78, 0x50, 0xc2, 0x6c, 0x9c, 0xd0, 0xd8, 0x9d } /* 7850c26c 9cd0d89d */
        },
        { (const unsigned char *)"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
          /* 84983e44 1c3bd26e baae4aa1 f95129e5 e54670f1. */
          { 0x84, 0x98, 0x3e, 0x44, 0x1c, 0x3b, 0xd2, 0x6e, 0xba, 0xae, 0x4a, 0xa1,
            0xf9, 0x51, 0x29, 0xe5, 0xe5, 0x46, 0x70, 0xf1 } }
    };

    PRUint8 results[SHA1_LENGTH];
    int rv = 0, cnt, numTests;

    numTests = sizeof(sha1tests) / sizeof(sha1tests[0]);
    for (cnt = 0; cnt < numTests; cnt++) {
        rv += testMessageDigest(initCtx, HASH_AlgSHA1, SHA1_LENGTH,
                                (const unsigned char *)sha1tests[cnt].input,
                                sha1tests[cnt].result, &results[0]);
    }

    rv += test_long_message_sha1(initCtx);
    return rv;
}

static int
testSHA224(NSSLOWInitContext *initCtx)
{
    static const struct {
        const unsigned char *input;
        const PRUint8 result[SHA224_LENGTH];
    } sha224tests[] = {
        /* one block messsage */
        { (const unsigned char *)"abc",
          { 0x23, 0x09, 0x7D, 0x22, 0x34, 0x05, 0xD8, 0x22, 0x86, 0x42, 0xA4, 0x77, 0xBD, 0xA2, 0x55, 0xB3,
            0x2A, 0xAD, 0xBC, 0xE4, 0xBD, 0xA0, 0xB3, 0xF7, 0xE3, 0x6C, 0x9D, 0xA7 } },
        /* two block message */
        { (const unsigned char *)"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
          { 0x75, 0x38, 0x8B, 0x16, 0x51, 0x27, 0x76, 0xCC, 0x5D, 0xBA, 0x5D, 0xA1, 0xFD, 0x89, 0x01, 0x50,
            0xB0, 0xC6, 0x45, 0x5C, 0xB4, 0xF5, 0x8B, 0x19, 0x52, 0x52, 0x25, 0x25 } }
    };

    PRUint8 results[SHA224_LENGTH];
    int rv = 0, cnt, numTests;

    numTests = sizeof(sha224tests) / sizeof(sha224tests[0]);
    for (cnt = 0; cnt < numTests; cnt++) {
        rv += testMessageDigest(initCtx, HASH_AlgSHA224, SHA224_LENGTH,
                                (const unsigned char *)sha224tests[cnt].input,
                                sha224tests[cnt].result, &results[0]);
    }

    return rv;
}

static int
testSHA256(NSSLOWInitContext *initCtx)
{
    static const struct {
        const unsigned char *input;
        const PRUint8 result[SHA256_LENGTH];
    } sha256tests[] = {
        /* Test vectors from FIPS 180-2: appendix B.1.  */
        { (unsigned char *)"abc",
          { 0xba, 0x78, 0x16, 0xbf, 0x8f, 0x01, 0xcf, 0xea, 0x41, 0x41, 0x40, 0xde, 0x5d, 0xae, 0x22, 0x23,
            0xb0, 0x03, 0x61, 0xa3, 0x96, 0x17, 0x7a, 0x9c, 0xb4, 0x10, 0xff, 0x61, 0xf2, 0x00, 0x15, 0xad } },
        /* Test vectors from FIPS 180-2: appendix B.2.  */
        { (unsigned char *)"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
          { 0x24, 0x8d, 0x6a, 0x61, 0xd2, 0x06, 0x38, 0xb8, 0xe5, 0xc0, 0x26, 0x93, 0x0c, 0x3e, 0x60, 0x39,
            0xa3, 0x3c, 0xe4, 0x59, 0x64, 0xff, 0x21, 0x67, 0xf6, 0xec, 0xed, 0xd4, 0x19, 0xdb, 0x06, 0xc1 } }
    };

    PRUint8 results[SHA256_LENGTH];
    int rv = 0, cnt, numTests;

    numTests = sizeof(sha256tests) / sizeof(sha256tests[0]);
    for (cnt = 0; cnt < numTests; cnt++) {
        rv += testMessageDigest(initCtx, HASH_AlgSHA256, SHA256_LENGTH,
                                (const unsigned char *)sha256tests[cnt].input,
                                sha256tests[cnt].result, &results[0]);
    }

    rv += test_long_message_sha256(initCtx);
    return rv;
}

static int
testSHA384(NSSLOWInitContext *initCtx)
{
    static const struct {
        const unsigned char *input;
        const PRUint8 result[SHA384_LENGTH];
    } sha384tests[] = {
        /* Test vector from FIPS 180-2: appendix D, single-block message.  */
        { (unsigned char *)"abc",
          { 0xcb, 0x00, 0x75, 0x3f, 0x45, 0xa3, 0x5e, 0x8b,
            0xb5, 0xa0, 0x3d, 0x69, 0x9a, 0xc6, 0x50, 0x07,
            0x27, 0x2c, 0x32, 0xab, 0x0e, 0xde, 0xd1, 0x63,
            0x1a, 0x8b, 0x60, 0x5a, 0x43, 0xff, 0x5b, 0xed,
            0x80, 0x86, 0x07, 0x2b, 0xa1, 0xe7, 0xcc, 0x23,
            0x58, 0xba, 0xec, 0xa1, 0x34, 0xc8, 0x25, 0xa7 } },

        /* Test vectors from FIPS 180-2: appendix D, multi-block message.  */
        { (unsigned char *)"abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"
                           "hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu",
          /*
        09330c33f71147e8
        3d192fc782cd1b47
        53111b173b3b05d2
        2fa08086e3b0f712
        fcc7c71a557e2db9
        66c3e9fa91746039.
        */
          { 0x09, 0x33, 0x0c, 0x33, 0xf7, 0x11, 0x47, 0xe8,
            0x3d, 0x19, 0x2f, 0xc7, 0x82, 0xcd, 0x1b, 0x47,
            0x53, 0x11, 0x1b, 0x17, 0x3b, 0x3b, 0x05, 0xd2,
            0x2f, 0xa0, 0x80, 0x86, 0xe3, 0xb0, 0xf7, 0x12,
            0xfc, 0xc7, 0xc7, 0x1a, 0x55, 0x7e, 0x2d, 0xb9,
            0x66, 0xc3, 0xe9, 0xfa, 0x91, 0x74, 0x60, 0x39 } }
    };

    PRUint8 results[SHA384_LENGTH];
    int rv = 0, cnt, numTests;

    numTests = sizeof(sha384tests) / sizeof(sha384tests[0]);
    for (cnt = 0; cnt < numTests; cnt++) {
        rv += testMessageDigest(initCtx, HASH_AlgSHA384, SHA384_LENGTH,
                                (const unsigned char *)sha384tests[cnt].input,
                                sha384tests[cnt].result, &results[0]);
    }
    rv += test_long_message_sha384(initCtx);

    return rv;
}

int
testSHA512(NSSLOWInitContext *initCtx)
{
    static const struct {
        const unsigned char *input;
        const PRUint8 result[SHA512_LENGTH];
    } sha512tests[] = {
        /* Test vectors from FIPS 180-2: appendix C.1.  */
        { (unsigned char *)"abc",
          { 0xdd, 0xaf, 0x35, 0xa1, 0x93, 0x61, 0x7a, 0xba, 0xcc, 0x41, 0x73, 0x49, 0xae, 0x20, 0x41, 0x31,
            0x12, 0xe6, 0xfa, 0x4e, 0x89, 0xa9, 0x7e, 0xa2, 0x0a, 0x9e, 0xee, 0xe6, 0x4b, 0x55, 0xd3, 0x9a,
            0x21, 0x92, 0x99, 0x2a, 0x27, 0x4f, 0xc1, 0xa8, 0x36, 0xba, 0x3c, 0x23, 0xa3, 0xfe, 0xeb, 0xbd,
            0x45, 0x4d, 0x44, 0x23, 0x64, 0x3c, 0xe8, 0x0e, 0x2a, 0x9a, 0xc9, 0x4f, 0xa5, 0x4c, 0xa4, 0x9f } },
        /* Test vectors from FIPS 180-2: appendix C.2.  */
        { (unsigned char *)"abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"
                           "hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu",
          { 0x8e, 0x95, 0x9b, 0x75, 0xda, 0xe3, 0x13, 0xda, 0x8c, 0xf4, 0xf7, 0x28, 0x14, 0xfc, 0x14, 0x3f,
            0x8f, 0x77, 0x79, 0xc6, 0xeb, 0x9f, 0x7f, 0xa1, 0x72, 0x99, 0xae, 0xad, 0xb6, 0x88, 0x90, 0x18,
            0x50, 0x1d, 0x28, 0x9e, 0x49, 0x00, 0xf7, 0xe4, 0x33, 0x1b, 0x99, 0xde, 0xc4, 0xb5, 0x43, 0x3a,
            0xc7, 0xd3, 0x29, 0xee, 0xb6, 0xdd, 0x26, 0x54, 0x5e, 0x96, 0xe5, 0x5b, 0x87, 0x4b, 0xe9, 0x09 } }
    };

    PRUint8 results[SHA512_LENGTH];
    int rv = 0, cnt, numTests;

    numTests = sizeof(sha512tests) / sizeof(sha512tests[0]);
    for (cnt = 0; cnt < numTests; cnt++) {
        rv = testMessageDigest(initCtx, HASH_AlgSHA512, SHA512_LENGTH,
                               (const unsigned char *)sha512tests[cnt].input,
                               sha512tests[cnt].result, &results[0]);
    }
    rv += test_long_message_sha512(initCtx);
    return rv;
}

static void
Usage()
{
    fprintf(stderr, "Usage: %s [algorithm]\n",
            progName);
    fprintf(stderr, "algorithm must be one of %s\n",
            "{ MD5 | SHA1 | SHA224 | SHA256 | SHA384 | SHA512 }");
    fprintf(stderr, "default is to test all\n");
    exit(-1);
}

int
main(int argc, char **argv)
{
    NSSLOWInitContext *initCtx;
    int rv = 0; /* counts the number of failures */

    progName = strrchr(argv[0], '/');
    progName = progName ? progName + 1 : argv[0];

    initCtx = NSSLOW_Init();
    if (initCtx == NULL) {
        SECU_PrintError(progName, "Couldn't initialize for hashing\n");
        return 1;
    }

    if (argc < 2 || !argv[1] || strlen(argv[1]) == 0) {
        rv += testMD5(initCtx);
        rv += testSHA1(initCtx);
        rv += testSHA224(initCtx);
        rv += testSHA256(initCtx);
        rv += testSHA384(initCtx);
        rv += testSHA512(initCtx);
    } else if (strcmp(argv[1], "MD5") == 0) {
        rv += testMD5(initCtx);
    } else if (strcmp(argv[1], "SHA1") == 0) {
        rv += testSHA1(initCtx);
    } else if (strcmp(argv[1], "SHA224") == 0) {
        rv += testSHA224(initCtx);
    } else if (strcmp(argv[1], "SHA256") == 0) {
        rv += testSHA256(initCtx);
    } else if (strcmp(argv[1], "SHA384") == 0) {
        rv += testSHA384(initCtx);
    } else if (strcmp(argv[1], "SHA512") == 0) {
        rv += testSHA512(initCtx);
    } else {
        SECU_PrintError(progName, "Unsupported hash type %s\n", argv[0]);
        Usage();
    }

    NSSLOW_Shutdown(initCtx);

    return (rv == 0) ? 0 : 1;
}