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