LXR 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
  32typedef struct QCryptoPbkdfTestData QCryptoPbkdfTestData;
  33struct 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 */
  52static 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
 301static inline char hex(int i)
 302{
 303    if (i < 10) {
 304        return '0' + i;
 305    }
 306    return 'a' + (i - 10);
 307}
 308
 309static 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
 324static 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
 349static 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
 367int 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
 389int main(int argc, char **argv)
 390{
 391    return 0;
 392}
 393#endif
 394