qemu/tests/test-crypto-pbkdf.c

   1 /*
   2  * QEMU Crypto cipher algorithms
   3  *
   4  * Copyright (c) 2015-2016 Red Hat, Inc.
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  18  *
  19  */
  20
  21 #include "qemu/osdep.h"
  22 #include "qapi/error.h"
  23 #include "crypto/init.h"
  24 #ifndef _WIN32
  25 #include <sys/resource.h>
  26 #endif
  27
  28 #if ((defined(CONFIG_NETTLE) || defined(CONFIG_GCRYPT)) && \
  29      (defined(_WIN32) || defined(RUSAGE_THREAD)))
  30 #include "crypto/pbkdf.h"
  31
  32 typedef struct QCryptoPbkdfTestData QCryptoPbkdfTestData;
  33 struct QCryptoPbkdfTestData {
  34     const char *path;
  35     QCryptoHashAlgorithm hash;
  36     unsigned int iterations;
  37     const char *key;
  38     size_t nkey;
  39     const char *salt;
  40     size_t nsalt;
  41     const char *out;
  42     size_t nout;
  43     bool slow;
  44 };
  45
  46 /* This test data comes from cryptsetup package
  47  *
  48  *  $SRC/lib/crypto_backend/pbkdf2_generic.c
  49  *
  50  * under LGPLv2.1+ license
  51  */
  52 static QCryptoPbkdfTestData test_data[] = {
  53     /* RFC 3962 test data */
  54     {
  55         .path = "/crypto/pbkdf/rfc3962/sha1/iter1",
  56         .hash = QCRYPTO_HASH_ALG_SHA1,
  57         .iterations = 1,
  58         .key = "password",
  59         .nkey = 8,
  60         .salt = "ATHENA.MIT.EDUraeburn",
  61         .nsalt = 21,
  62         .out = "\xcd\xed\xb5\x28\x1b\xb2\xf8\x01"
  63                "\x56\x5a\x11\x22\xb2\x56\x35\x15"
  64                "\x0a\xd1\xf7\xa0\x4b\xb9\xf3\xa3"
  65                "\x33\xec\xc0\xe2\xe1\xf7\x08\x37",
  66         .nout = 32
  67     },
  68     {
  69         .path = "/crypto/pbkdf/rfc3962/sha1/iter2",
  70         .hash = QCRYPTO_HASH_ALG_SHA1,
  71         .iterations = 2,
  72         .key = "password",
  73         .nkey = 8,
  74         .salt = "ATHENA.MIT.EDUraeburn",
  75         .nsalt = 21,
  76         .out = "\x01\xdb\xee\x7f\x4a\x9e\x24\x3e"
  77                "\x98\x8b\x62\xc7\x3c\xda\x93\x5d"
  78                "\xa0\x53\x78\xb9\x32\x44\xec\x8f"
  79                "\x48\xa9\x9e\x61\xad\x79\x9d\x86",
  80         .nout = 32
  81     },
  82     {
  83         .path = "/crypto/pbkdf/rfc3962/sha1/iter1200a",
  84         .hash = QCRYPTO_HASH_ALG_SHA1,
  85         .iterations = 1200,
  86         .key = "password",
  87         .nkey = 8,
  88         .salt = "ATHENA.MIT.EDUraeburn",
  89         .nsalt = 21,
  90         .out = "\x5c\x08\xeb\x61\xfd\xf7\x1e\x4e"
  91                "\x4e\xc3\xcf\x6b\xa1\xf5\x51\x2b"
  92                "\xa7\xe5\x2d\xdb\xc5\xe5\x14\x2f"
  93                "\x70\x8a\x31\xe2\xe6\x2b\x1e\x13",
  94         .nout = 32
  95     },
  96     {
  97         .path = "/crypto/pbkdf/rfc3962/sha1/iter5",
  98         .hash = QCRYPTO_HASH_ALG_SHA1,
  99         .iterations = 5,
 100         .key = "password",
 101         .nkey = 8,
 102         .salt = "\0224VxxV4\022", /* "\x1234567878563412 */
 103         .nsalt = 8,
 104         .out = "\xd1\xda\xa7\x86\x15\xf2\x87\xe6"
 105                "\xa1\xc8\xb1\x20\xd7\x06\x2a\x49"
 106                "\x3f\x98\xd2\x03\xe6\xbe\x49\xa6"
 107                "\xad\xf4\xfa\x57\x4b\x6e\x64\xee",
 108         .nout = 32
 109     },
 110     {
 111         .path = "/crypto/pbkdf/rfc3962/sha1/iter1200b",
 112         .hash = QCRYPTO_HASH_ALG_SHA1,
 113         .iterations = 1200,
 114         .key = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
 115                "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
 116         .nkey = 64,
 117         .salt = "pass phrase equals block size",
 118         .nsalt = 29,
 119         .out = "\x13\x9c\x30\xc0\x96\x6b\xc3\x2b"
 120                "\xa5\x5f\xdb\xf2\x12\x53\x0a\xc9"
 121                "\xc5\xec\x59\xf1\xa4\x52\xf5\xcc"
 122                "\x9a\xd9\x40\xfe\xa0\x59\x8e\xd1",
 123         .nout = 32
 124     },
 125     {
 126         .path = "/crypto/pbkdf/rfc3962/sha1/iter1200c",
 127         .hash = QCRYPTO_HASH_ALG_SHA1,
 128         .iterations = 1200,
 129         .key = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
 130                "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
 131         .nkey = 65,
 132         .salt = "pass phrase exceeds block size",
 133         .nsalt = 30,
 134         .out = "\x9c\xca\xd6\xd4\x68\x77\x0c\xd5"
 135                "\x1b\x10\xe6\xa6\x87\x21\xbe\x61"
 136                "\x1a\x8b\x4d\x28\x26\x01\xdb\x3b"
 137                "\x36\xbe\x92\x46\x91\x5e\xc8\x2a",
 138         .nout = 32
 139     },
 140     {
 141         .path = "/crypto/pbkdf/rfc3962/sha1/iter50",
 142         .hash = QCRYPTO_HASH_ALG_SHA1,
 143         .iterations = 50,
 144         .key = "\360\235\204\236", /* g-clef ("\xf09d849e) */
 145         .nkey = 4,
 146         .salt = "EXAMPLE.COMpianist",
 147         .nsalt = 18,
 148         .out = "\x6b\x9c\xf2\x6d\x45\x45\x5a\x43"
 149                "\xa5\xb8\xbb\x27\x6a\x40\x3b\x39"
 150                "\xe7\xfe\x37\xa0\xc4\x1e\x02\xc2"
 151                "\x81\xff\x30\x69\xe1\xe9\x4f\x52",
 152         .nout = 32
 153     },
 154
 155     /* RFC-6070 test data */
 156     {
 157         .path = "/crypto/pbkdf/rfc6070/sha1/iter1",
 158         .hash = QCRYPTO_HASH_ALG_SHA1,
 159         .iterations = 1,
 160         .key = "password",
 161         .nkey = 8,
 162         .salt = "salt",
 163         .nsalt = 4,
 164         .out = "\x0c\x60\xc8\x0f\x96\x1f\x0e\x71\xf3\xa9"
 165                "\xb5\x24\xaf\x60\x12\x06\x2f\xe0\x37\xa6",
 166         .nout = 20
 167     },
 168     {
 169         .path = "/crypto/pbkdf/rfc6070/sha1/iter2",
 170         .hash = QCRYPTO_HASH_ALG_SHA1,
 171         .iterations = 2,
 172         .key = "password",
 173         .nkey = 8,
 174         .salt = "salt",
 175         .nsalt = 4,
 176         .out = "\xea\x6c\x01\x4d\xc7\x2d\x6f\x8c\xcd\x1e"
 177                "\xd9\x2a\xce\x1d\x41\xf0\xd8\xde\x89\x57",
 178         .nout = 20
 179     },
 180     {
 181         .path = "/crypto/pbkdf/rfc6070/sha1/iter4096",
 182         .hash = QCRYPTO_HASH_ALG_SHA1,
 183         .iterations = 4096,
 184         .key = "password",
 185         .nkey = 8,
 186         .salt = "salt",
 187         .nsalt = 4,
 188         .out = "\x4b\x00\x79\x01\xb7\x65\x48\x9a\xbe\xad"
 189                "\x49\xd9\x26\xf7\x21\xd0\x65\xa4\x29\xc1",
 190         .nout = 20
 191     },
 192     {
 193         .path = "/crypto/pbkdf/rfc6070/sha1/iter16777216",
 194         .hash = QCRYPTO_HASH_ALG_SHA1,
 195         .iterations = 16777216,
 196         .key = "password",
 197         .nkey = 8,
 198         .salt = "salt",
 199         .nsalt = 4,
 200         .out = "\xee\xfe\x3d\x61\xcd\x4d\xa4\xe4\xe9\x94"
 201                "\x5b\x3d\x6b\xa2\x15\x8c\x26\x34\xe9\x84",
 202         .nout = 20,
 203         .slow = true,
 204     },
 205     {
 206         .path = "/crypto/pbkdf/rfc6070/sha1/iter4096a",
 207         .hash = QCRYPTO_HASH_ALG_SHA1,
 208         .iterations = 4096,
 209         .key = "passwordPASSWORDpassword",
 210         .nkey = 24,
 211         .salt = "saltSALTsaltSALTsaltSALTsaltSALTsalt",
 212         .nsalt = 36,
 213         .out = "\x3d\x2e\xec\x4f\xe4\x1c\x84\x9b\x80\xc8"
 214                "\xd8\x36\x62\xc0\xe4\x4a\x8b\x29\x1a\x96"
 215                "\x4c\xf2\xf0\x70\x38",
 216         .nout = 25
 217     },
 218     {
 219         .path = "/crypto/pbkdf/rfc6070/sha1/iter4096b",
 220         .hash = QCRYPTO_HASH_ALG_SHA1,
 221         .iterations = 4096,
 222         .key = "pass\0word",
 223         .nkey = 9,
 224         .salt = "sa\0lt",
 225         .nsalt = 5,
 226         .out = "\x56\xfa\x6a\xa7\x55\x48\x09\x9d\xcc\x37"
 227                "\xd7\xf0\x34\x25\xe0\xc3",
 228         .nout = 16
 229     },
 230
 231     /* non-RFC misc test data */
 232 #ifdef CONFIG_NETTLE
 233     {
 234         /* empty password test.
 235          * Broken with libgcrypt <= 1.5.0, hence CONFIG_NETTLE */
 236         .path = "/crypto/pbkdf/nonrfc/sha1/iter2",
 237         .hash = QCRYPTO_HASH_ALG_SHA1,
 238         .iterations = 2,
 239         .key = "",
 240         .nkey = 0,
 241         .salt = "salt",
 242         .nsalt = 4,
 243         .out = "\x13\x3a\x4c\xe8\x37\xb4\xd2\x52\x1e\xe2"
 244                "\xbf\x03\xe1\x1c\x71\xca\x79\x4e\x07\x97",
 245         .nout = 20
 246     },
 247 #endif
 248     {
 249         /* Password exceeds block size test */
 250         .path = "/crypto/pbkdf/nonrfc/sha256/iter1200",
 251         .hash = QCRYPTO_HASH_ALG_SHA256,
 252         .iterations = 1200,
 253         .key = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
 254                "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
 255         .nkey = 65,
 256         .salt = "pass phrase exceeds block size",
 257         .nsalt = 30,
 258         .out = "\x22\x34\x4b\xc4\xb6\xe3\x26\x75"
 259                "\xa8\x09\x0f\x3e\xa8\x0b\xe0\x1d"
 260                "\x5f\x95\x12\x6a\x2c\xdd\xc3\xfa"
 261                "\xcc\x4a\x5e\x6d\xca\x04\xec\x58",
 262         .nout = 32
 263     },
 264 #if 0
 265     {
 266         .path = "/crypto/pbkdf/nonrfc/sha512/iter1200",
 267         .hash = QCRYPTO_HASH_ALG_SHA512,
 268         .iterations = 1200,
 269         .key = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
 270                "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
 271                "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
 272                "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
 273         .nkey = 129,
 274         .salt = "pass phrase exceeds block size",
 275         .nsalt = 30,
 276         .out = "\x0f\xb2\xed\x2c\x0e\x6e\xfb\x7d"
 277                "\x7d\x8e\xdd\x58\x01\xb4\x59\x72"
 278                "\x99\x92\x16\x30\x5e\xa4\x36\x8d"
 279                "\x76\x14\x80\xf3\xe3\x7a\x22\xb9",
 280         .nout = 32
 281     },
 282     {
 283         .path = "/crypto/pbkdf/nonrfc/whirlpool/iter1200",
 284         .hash = QCRYPTO_HASH_ALG_WHIRLPOOL,
 285         .iterations = 1200,
 286         .key = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
 287                "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
 288         .nkey = 65,
 289         .salt = "pass phrase exceeds block size",
 290         .nsalt = 30,
 291         .out = "\x9c\x1c\x74\xf5\x88\x26\xe7\x6a"
 292                "\x53\x58\xf4\x0c\x39\xe7\x80\x89"
 293                "\x07\xc0\x31\x19\x9a\x50\xa2\x48"
 294                "\xf1\xd9\xfe\x78\x64\xe5\x84\x50",
 295         .nout = 32
 296     }
 297 #endif
 298 };
 299
 300
 301 static inline char hex(int i)
 302 {
 303     if (i < 10) {
 304         return '0' + i;
 305     }
 306     return 'a' + (i - 10);
 307 }
 308
 309 static char *hex_string(const uint8_t *bytes,
 310                         size_t len)
 311 {
 312     char *hexstr = g_new0(char, len * 2 + 1);
 313     size_t i;
 314
 315     for (i = 0; i < len; i++) {
 316         hexstr[i * 2] = hex((bytes[i] >> 4) & 0xf);
 317         hexstr[i * 2 + 1] = hex(bytes[i] & 0xf);
 318     }
 319     hexstr[len * 2] = '\0';
 320
 321     return hexstr;
 322 }
 323
 324 static void test_pbkdf(const void *opaque)
 325 {
 326     const QCryptoPbkdfTestData *data = opaque;
 327     size_t nout = data->nout;
 328     uint8_t *out = g_new0(uint8_t, nout);
 329     gchar *expect, *actual;
 330
 331     qcrypto_pbkdf2(data->hash,
 332                    (uint8_t *)data->key, data->nkey,
 333                    (uint8_t *)data->salt, data->nsalt,
 334                    data->iterations,
 335                    (uint8_t *)out, nout,
 336                    &error_abort);
 337
 338     expect = hex_string((const uint8_t *)data->out, data->nout);
 339     actual = hex_string(out, nout);
 340
 341     g_assert_cmpstr(actual, ==, expect);
 342
 343     g_free(actual);
 344     g_free(expect);
 345     g_free(out);
 346 }
 347
 348
 349 static void test_pbkdf_timing(void)
 350 {
 351     uint8_t key[32];
 352     uint8_t salt[32];
 353     int iters;
 354
 355     memset(key, 0x5d, sizeof(key));
 356     memset(salt, 0x7c, sizeof(salt));
 357
 358     iters = qcrypto_pbkdf2_count_iters(QCRYPTO_HASH_ALG_SHA256,
 359                                        key, sizeof(key),
 360                                        salt, sizeof(salt),
 361                                        &error_abort);
 362
 363     g_assert(iters >= (1 << 15));
 364 }
 365
 366
 367 int main(int argc, char **argv)
 368 {
 369     size_t i;
 370
 371     g_test_init(&argc, &argv, NULL);
 372
 373     g_assert(qcrypto_init(NULL) == 0);
 374
 375     for (i = 0; i < G_N_ELEMENTS(test_data); i++) {
 376         if (!test_data[i].slow ||
 377             g_test_slow()) {
 378             g_test_add_data_func(test_data[i].path, &test_data[i], test_pbkdf);
 379         }
 380     }
 381
 382     if (g_test_slow()) {
 383         g_test_add_func("/crypt0/pbkdf/timing", test_pbkdf_timing);
 384     }
 385
 386     return g_test_run();
 387 }
 388 #else
 389 int main(int argc, char **argv)
 390 {
 391     return 0;
 392 }
 393 #endif