aboutsummaryrefslogblamecommitdiff
path: root/tests/test-rpc_hashsig.c
blob: d9dd0e70373bedda79fb51a9d2394b8b8f2837fd (plain) (tree)
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
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528















































































































































































































































































































































































































































































































































                                                                                                                          
/*
 * test-rpc_hashsig.c
 * ------------------
 * Test code for RPC interface to Cryptech public key operations.
 *
 * Authors: Rob Austein, Paul Selkirk
 * Copyright (c) 2015-2018, NORDUnet A/S
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 * - Redistributions of source code must retain the above copyright notice,
 *   this list of conditions and the following disclaimer.
 *
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 *
 * - Neither the name of the NORDUnet nor the names of its contributors may
 *   be used to endorse or promote products derived from this software
 *   without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/* Parts of this may eventually get folded into test-rpc_pkey.c,
 * but for now I'd rather do it stand-alone.
 */

#include <stdio.h>
#include <stdlib.h>
#include <getopt.h>
#include <assert.h>

#include <hal.h>
#include <hashsig.h>
#include "test-hashsig.h"

#include <sys/time.h>
/* not included in my glibc, sigh... */
void timersub(struct timeval *a, struct timeval *b, struct timeval *res)
{
    res->tv_sec = a->tv_sec - b->tv_sec;
    res->tv_usec = a->tv_usec - b->tv_usec;
    if (res->tv_usec < 0) {
        res->tv_usec += 1000000;
        --res->tv_sec;
    }
    if (res->tv_usec > 1000000) {
        res->tv_usec -= 1000000;
        ++res->tv_sec;
    }
}

static int debug = 0;
static int info = 0;

#define lose(...) do { printf(__VA_ARGS__); goto fail; } while (0)

static int test_hashsig_testvec_local(const hashsig_tc_t * const tc, hal_key_flags_t flags)
{
    hal_error_t err;

    assert(tc != NULL);

    printf("Starting local hashsig test vector test\n");

    uint8_t tc_keybuf[hal_hashsig_key_t_size];
    hal_hashsig_key_t *tc_key = NULL;

    if ((err = hal_hashsig_key_load_public_xdr(&tc_key,
                                               tc_keybuf, sizeof(tc_keybuf),
                                               tc->key.val, tc->key.len)) != HAL_OK)
        lose("Could not load public key from test vector: %s\n", hal_error_string(err));

    if ((err = hal_hashsig_verify(NULL, tc_key, tc->msg.val, tc->msg.len, tc->sig.val, tc->sig.len)) != HAL_OK)
        lose("Verify failed: %s\n", hal_error_string(err));

    printf("OK\n");
    return 1;

fail:
    return 0;
}

static int test_hashsig_testvec_remote(const hashsig_tc_t * const tc, hal_key_flags_t flags)
{
    const hal_client_handle_t client = {HAL_HANDLE_NONE};
    const hal_session_handle_t session = {HAL_HANDLE_NONE};
    hal_pkey_handle_t public_key = {HAL_HANDLE_NONE};
    hal_error_t err;
    size_t len;

    assert(tc != NULL);

    {
        flags |= HAL_KEY_FLAG_USAGE_DIGITALSIGNATURE;

        printf("Starting remote hashsig test vector test, flags 0x%lx\n", (unsigned long) flags);

        uint8_t tc_keybuf[hal_hashsig_key_t_size];
        hal_hashsig_key_t *tc_key = NULL;

        if ((err = hal_hashsig_key_load_public_xdr(&tc_key,
                                                   tc_keybuf, sizeof(tc_keybuf),
                                                   tc->key.val, tc->key.len)) != HAL_OK)
            lose("Could not load public key from test vector: %s\n", hal_error_string(err));

        hal_uuid_t public_name;

        uint8_t public_der[hal_hashsig_public_key_to_der_len(tc_key)];

        if ((err = hal_hashsig_public_key_to_der(tc_key, public_der, &len, sizeof(public_der))) != HAL_OK)
            lose("Could not DER encode public key from test vector: %s\n", hal_error_string(err));

        assert(len == sizeof(public_der));

        if ((err = hal_rpc_pkey_load(client, session, &public_key, &public_name,
                                     public_der, sizeof(public_der), flags)) != HAL_OK)
            lose("Could not load public key into RPC: %s\n", hal_error_string(err));

        if ((err = hal_rpc_pkey_verify(public_key, hal_hash_handle_none,
                                       tc->msg.val, tc->msg.len, tc->sig.val, tc->sig.len)) != HAL_OK)
            lose("Could not verify: %s\n", hal_error_string(err));

        if ((err = hal_rpc_pkey_delete(public_key)) != HAL_OK)
            lose("Could not delete public key: %s\n", hal_error_string(err));

        printf("OK\n");
        return 1;
    }

fail:
    if (public_key.handle != HAL_HANDLE_NONE &&
        (err = hal_rpc_pkey_delete(public_key)) != HAL_OK)
        printf("Warning: could not delete public key: %s\n", hal_error_string(err));

    return 0;
}

static void hexdump(const char * const label, const uint8_t * const buf, const size_t len)
{
    printf("%-15s ", label);

    for (size_t i = 0; i < len; ++i) {
        printf("%02x", buf[i]);
        if ((i & 0x0f) == 0x0f) {
            printf("\n");
            if (i < len - 1)
                printf("                ");
        }
    }
    if ((len & 0x0f) != 0)
        printf("\n");
}

static inline size_t lms_type_to_h(const lms_algorithm_t lms_type)
{
    switch (lms_type) {
    case lms_sha256_n32_h5:  return  5;
    case lms_sha256_n32_h10: return 10;
    case lms_sha256_n32_h15: return 15;
    case lms_sha256_n32_h20: return 20;
    case lms_sha256_n32_h25: return 25;
    default: return 0;
    }
}

static inline size_t two_to_the(const size_t n)
{
    if (n % 5 != 0)
        return 0;

    size_t result, i;
    for (result = 1, i = 0; i < n; i += 5)
        result *= 32;

    return result;
}

static inline size_t lms_type_to_h2(const lms_algorithm_t lms_type)
{
    switch (lms_type) {
    case lms_sha256_n32_h5:  return two_to_the(5);
    case lms_sha256_n32_h10: return two_to_the(10);
    case lms_sha256_n32_h15: return two_to_the(15);
    case lms_sha256_n32_h20: return two_to_the(20);
    case lms_sha256_n32_h25: return two_to_the(25);
    default:                 return 0;
    }
}

static inline size_t lmots_type_to_w(const lmots_algorithm_t lmots_type)
{
    switch (lmots_type) {
    case lmots_sha256_n32_w1: return 1;
    case lmots_sha256_n32_w2: return 2;
    case lmots_sha256_n32_w4: return 4;
    case lmots_sha256_n32_w8: return 8;
    default: return 0;
    }
}

static inline size_t lmots_type_to_p(const lmots_algorithm_t lmots_type)
{
    switch (lmots_type) {
    case lmots_sha256_n32_w1: return 265;
    case lmots_sha256_n32_w2: return 133;
    case lmots_sha256_n32_w4: return  67;
    case lmots_sha256_n32_w8: return  34;
    default: return 0;
    }
}

#include <xdr_internal.h>

static hal_error_t dump_hss_signature(const uint8_t * const sig, const size_t len)
{
    const uint8_t *sigptr = sig;
    const uint8_t * const siglim = sig + len;
    hal_error_t err;

    hexdump("Nspk", sigptr, 4);
    uint32_t Nspk;
    if ((err = hal_xdr_decode_int(&sigptr, siglim, &Nspk)) != HAL_OK) return err;

    for (size_t i = 0; i < Nspk + 1; ++i) {
        printf("--------------------------------------------\nsig[%lu]\n", i);
        hexdump("q", sigptr, 4); sigptr += 4;

        {
            hexdump("lmots type", sigptr, 4);
            uint32_t lmots_type;
            if ((err = hal_xdr_decode_int(&sigptr, siglim, &lmots_type)) != HAL_OK) return err;
            hexdump("C", sigptr, 32); sigptr += 32;
            size_t p = lmots_type_to_p((const lmots_algorithm_t)lmots_type);
            for (size_t j = 0; j < p; ++j) {
                char label[16];
                sprintf(label, "y[%lu]", j);
                hexdump(label, sigptr, 32); sigptr += 32;
            }
        }

        hexdump("lms type", sigptr, 4);
        uint32_t lms_type;
        if ((err = hal_xdr_decode_int(&sigptr, siglim, &lms_type)) != HAL_OK) return err;
        size_t h = lms_type_to_h((const lms_algorithm_t)lms_type);
        for (size_t j = 0; j < h; ++j) {
            char label[16];
            sprintf(label, "path[%lu]", j);
            hexdump(label, sigptr, 32); sigptr += 32;
        }

        if (i == Nspk)
            break;

        printf("--------------------------------------------\npubkey[%lu]\n", i + 1);
        hexdump("lms type", sigptr, 4); sigptr += 4;
        hexdump("lmots type", sigptr, 4); sigptr += 4;
        hexdump("I", sigptr, 16); sigptr += 16;
        hexdump("T[1]", sigptr, 32); sigptr += 32;
    }

    if (sigptr < siglim) {
        printf("--------------------------------------------\nextra\n");
        hexdump("", sigptr, siglim - sigptr);
    }

    return HAL_OK;
}

static int test_hashsig_sign(const size_t L,
                             const lms_algorithm_t lms_type,
                             const lmots_algorithm_t lmots_type,
                             size_t iterations)
{
    const hal_client_handle_t client = {HAL_HANDLE_NONE};
    const hal_session_handle_t session = {HAL_HANDLE_NONE};
    hal_pkey_handle_t private_key = {HAL_HANDLE_NONE};
    hal_pkey_handle_t public_key = {HAL_HANDLE_NONE};
    hal_error_t err;
    size_t len;

    {
        hal_key_flags_t flags = HAL_KEY_FLAG_USAGE_DIGITALSIGNATURE;

        printf("Starting hashsig key test: L %lu, lms type %u (h=%lu), lmots type %u (w=%lu)\n",
               L, lms_type, lms_type_to_h(lms_type), lmots_type, lmots_type_to_w(lmots_type));

        if (info)
            printf("Info: signature length %lu, lmots private key length %lu\n",
                   hal_hashsig_signature_len(L, lms_type, lmots_type),
                   hal_hashsig_lmots_private_key_len(lmots_type));

        hal_uuid_t private_name, public_name;
        struct timeval tv_start, tv_end, tv_diff;

        size_t Lh2 = two_to_the(L * lms_type_to_h(lms_type));
        size_t h2 = lms_type_to_h2(lms_type);

        if (info)
            gettimeofday(&tv_start, NULL);
        if ((err = hal_rpc_pkey_generate_hashsig(client, session, &private_key, &private_name,
                                                 L, lms_type, lmots_type, flags)) != HAL_OK)
            lose("Could not generate hashsig private key: %s\n", hal_error_string(err));
        if (info) {
            gettimeofday(&tv_end, NULL);
            timersub(&tv_end, &tv_start, &tv_diff);
            long per_key = (tv_diff.tv_sec * 1000000 + tv_diff.tv_usec) / (L * h2);
            printf("Info: %ldm%ld.%03lds to generate key (%ld.%03lds per lmots key)\n",
                   tv_diff.tv_sec / 60, tv_diff.tv_sec % 60, tv_diff.tv_usec / 1000,
                   per_key / 1000000, (per_key % 1000000) / 1000);
        }

        uint8_t public_der[hal_rpc_pkey_get_public_key_len(private_key)];

        if ((err = hal_rpc_pkey_get_public_key(private_key, public_der, &len, sizeof(public_der))) != HAL_OK)
            lose("Could not DER encode RPC hashsig public key from RPC hashsig private key: %s\n", hal_error_string(err));

        assert(len == sizeof(public_der));

        if ((err = hal_rpc_pkey_load(client, session, &public_key, &public_name,
                                     public_der, sizeof(public_der), flags)) != HAL_OK)
            lose("Could not load public key into RPC: %s\n", hal_error_string(err));

        if (iterations > 0) {
            uint8_t sig[hal_hashsig_signature_len(L, lms_type, lmots_type)];

            if (info)
                gettimeofday(&tv_start, NULL);
            int i;
            for (i = 0; i < iterations; ++i) {
                if ((err = hal_rpc_pkey_sign(private_key, hal_hash_handle_none,
                                             tc1_msg, sizeof(tc1_msg), sig, &len, sizeof(sig))) == HAL_OK) {
                    assert(len == sizeof(sig));
                    if (debug) {
                        printf("Debug: received signature:\n");
                        dump_hss_signature(sig, len);
                    }
                }
                else {
                    if (i == Lh2 && err == HAL_ERROR_HASHSIG_KEY_EXHAUSTED)
                        break;
                    else
                        lose("Could not sign (%d): %s\n", i, hal_error_string(err));
                }
            }
            if (info) {
                gettimeofday(&tv_end, NULL);
                timersub(&tv_end, &tv_start, &tv_diff);
                long per_sig = (tv_diff.tv_sec * 1000000 + tv_diff.tv_usec) / i;
                printf("Info: %ldm%ld.%03lds to generate %d signatures (%ld.%03lds per signature)\n",
                       tv_diff.tv_sec / 60, tv_diff.tv_sec % 60, tv_diff.tv_usec / 1000, i,
                       per_sig / 1000000, (per_sig % 1000000) / 1000);
            }

            if (info)
                gettimeofday(&tv_start, NULL);
            if ((err = hal_rpc_pkey_verify(public_key, hal_hash_handle_none,
                                           tc1_msg, sizeof(tc1_msg), sig, len)) != HAL_OK)
                lose("Could not verify: %s\n", hal_error_string(err));
            if (info) {
                gettimeofday(&tv_end, NULL);
                timersub(&tv_end, &tv_start, &tv_diff);
                printf("Info: %ldm%ld.%03lds to verify 1 signature\n",
                       tv_diff.tv_sec / 60, tv_diff.tv_sec % 60, tv_diff.tv_usec / 1000);
            }
        }

        if ((err = hal_rpc_pkey_delete(private_key)) != HAL_OK)
            lose("Could not delete private key: %s\n", hal_error_string(err));

        if ((err = hal_rpc_pkey_delete(public_key)) != HAL_OK)
            lose("Could not delete public key: %s\n", hal_error_string(err));

        printf("OK\n");
        return 1;
    }

fail:
    if (private_key.handle != HAL_HANDLE_NONE &&
        (err = hal_rpc_pkey_delete(private_key)) != HAL_OK)
        printf("Warning: could not delete private key: %s\n", hal_error_string(err));

    if (public_key.handle != HAL_HANDLE_NONE &&
        (err = hal_rpc_pkey_delete(public_key)) != HAL_OK)
        printf("Warning: could not delete public key: %s\n", hal_error_string(err));

    return 0;
}

int main(int argc, char *argv[])
{
    const hal_client_handle_t client = {HAL_HANDLE_NONE};
    char *pin = "fnord";
    int do_default = 1;
    int do_testvec = 0;
    size_t iterations = 1;
    size_t L_lo = 0, L_hi = 0;
    size_t lms_lo = 5, lms_hi = 0;
    size_t lmots_lo = 3, lmots_hi = 0;
    char *p;
    hal_error_t err;
    int ok = 1;

char usage[] = "\
Usage: %s [-d] [-i] [-p pin] [-t] [-L n] [-l n] [-o n] [-n n]\n\
       -d: enable debugging - hexdump signatures\n\
       -i: enable informational messages - runtimes and signature lengths\n\
       -p: user PIN\n\
       -t: verify test vectors\n\
       -L: number of levels in the HSS scheme (1..8)\n\
       -l: LMS type (5..9)\n\
       -o: LM-OTS type (1..4)\n\
       -n: number of signatures to generate (0..'max')\n\
Numeric arguments can be a single number or a range, e.g. '1..4'\n";

    int opt;
    while ((opt = getopt(argc, argv, "ditp:L:l:o:n:h?")) != -1) {
        switch (opt) {
        case 'd':
            debug = 1;
            break;
        case 'i':
            info = 1;
            break;
        case 't':
            do_testvec = 1;
            do_default = 0;
            break;
        case 'p':
            pin = optarg;
            break;
        case 'n':
            if (strcmp(optarg, "max") == 0)
                iterations = (size_t)-1;
            else
                iterations = (size_t)atoi(optarg);
            do_default = 0;
            break;
        case 'L':
            if ((p = strtok(optarg, ".")) != NULL)
                L_lo = (size_t)atoi(p);
            if ((p = strtok(NULL, ".")) != NULL)
                L_hi = (size_t)atoi(p);
            do_default = 0;
            break;
        case 'l':
            if ((p = strtok(optarg, ".")) != NULL)
                lms_lo = (size_t)atoi(p);
            if ((p = strtok(NULL, ".")) != NULL)
                lms_hi = (size_t)atoi(p);
            do_default = 0;
            break;
        case 'o':
            if ((p = strtok(optarg, ".")) != NULL)
                lmots_lo = (size_t)atoi(p);
            if ((p = strtok(NULL, ".")) != NULL)
                lmots_hi = (size_t)atoi(p);
            do_default = 0;
            break;
        case 'h':
        case '?':
            fprintf(stdout, usage, argv[0]);
            exit(EXIT_SUCCESS);
        default:
            fprintf(stderr, usage, argv[0]);
            exit(EXIT_FAILURE);
        }
    }

    if (do_default) {
        do_testvec = 1;
        L_lo = 1;
    }

    if (L_hi < L_lo) L_hi = L_lo;
    if (lms_hi < lms_lo) lms_hi = lms_lo;
    if (lmots_hi < lmots_lo) lmots_hi = lmots_lo;

    if ((err = hal_rpc_client_init()) != HAL_OK)
        printf("Warning: Trouble initializing RPC client: %s\n", hal_error_string(err));

    if ((err = hal_rpc_login(client, HAL_USER_NORMAL, pin, strlen(pin))) != HAL_OK)
        printf("Warning: Trouble logging into HSM: %s\n", hal_error_string(err));

    if (do_testvec) {
        for (int i = 0; i < (sizeof(hashsig_tc)/sizeof(*hashsig_tc)); i++)
            ok &= test_hashsig_testvec_local(&hashsig_tc[i], 0);

        for (int i = 0; i < (sizeof(hashsig_tc)/sizeof(*hashsig_tc)); i++)
            for (int j = 0; j < 2; j++)
                ok &= test_hashsig_testvec_remote(&hashsig_tc[i], j * HAL_KEY_FLAG_TOKEN);
    }

    /* signing/performance tests: run with -i */
    /* A single test would be of the form '-L 2 -l 5 -o 3 -n 1' */
    /* A range test of just keygen would be of the form '-o 1..4 -n 0' */
    /* A test to key exhaustion would be of the form '-n max' */
    if (L_lo > 0) {
        for (size_t L = L_lo; L <= L_hi; ++L) {
            for (lms_algorithm_t lms_type = lms_lo; lms_type <= lms_hi; ++lms_type) {
                for (lmots_algorithm_t lmots_type = lmots_lo; lmots_type <= lmots_hi; ++lmots_type) {
                    ok &= test_hashsig_sign(L, lms_type, lmots_type, iterations);
                }
            }
        }
    }

    if ((err = hal_rpc_logout(client)) != HAL_OK)
        printf("Warning: Trouble logging out of HSM: %s\n", hal_error_string(err));

    if ((err = hal_rpc_client_close()) != HAL_OK)
        printf("Warning: Trouble shutting down RPC client: %s\n", hal_error_string(err));

    return !ok;
}