tests/test-crypto-ivgen.c

   1 /*
   2  * QEMU Crypto IV generator 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/ivgen.h"
  23
  24
  25 struct QCryptoIVGenTestData {
  26     const char *path;
  27     uint64_t sector;
  28     QCryptoIVGenAlgorithm ivalg;
  29     QCryptoHashAlgorithm hashalg;
  30     QCryptoCipherAlgorithm cipheralg;
  31     const uint8_t *key;
  32     size_t nkey;
  33     const uint8_t *iv;
  34     size_t niv;
  35 } test_data[] = {
  36     /* Small */
  37     {
  38         "/crypto/ivgen/plain/1",
  39         .sector = 0x1,
  40         .ivalg = QCRYPTO_IVGEN_ALG_PLAIN,
  41         .iv = (const uint8_t *)"\x01\x00\x00\x00\x00\x00\x00\x00"
  42                                "\x00\x00\x00\x00\x00\x00\x00\x00",
  43         .niv = 16,
  44     },
  45     /* Big ! */
  46     {
  47         "/crypto/ivgen/plain/1f2e3d4c",
  48         .sector = 0x1f2e3d4cULL,
  49         .ivalg = QCRYPTO_IVGEN_ALG_PLAIN,
  50         .iv = (const uint8_t *)"\x4c\x3d\x2e\x1f\x00\x00\x00\x00"
  51                                "\x00\x00\x00\x00\x00\x00\x00\x00",
  52         .niv = 16,
  53     },
  54     /* Truncation */
  55     {
  56         "/crypto/ivgen/plain/1f2e3d4c5b6a7988",
  57         .sector = 0x1f2e3d4c5b6a7988ULL,
  58         .ivalg = QCRYPTO_IVGEN_ALG_PLAIN,
  59         .iv = (const uint8_t *)"\x88\x79\x6a\x5b\x00\x00\x00\x00"
  60                                "\x00\x00\x00\x00\x00\x00\x00\x00",
  61         .niv = 16,
  62     },
  63     /* Small */
  64     {
  65         "/crypto/ivgen/plain64/1",
  66         .sector = 0x1,
  67         .ivalg = QCRYPTO_IVGEN_ALG_PLAIN64,
  68         .iv = (const uint8_t *)"\x01\x00\x00\x00\x00\x00\x00\x00"
  69                                "\x00\x00\x00\x00\x00\x00\x00\x00",
  70         .niv = 16,
  71     },
  72     /* Big ! */
  73     {
  74         "/crypto/ivgen/plain64/1f2e3d4c",
  75         .sector = 0x1f2e3d4cULL,
  76         .ivalg = QCRYPTO_IVGEN_ALG_PLAIN64,
  77         .iv = (const uint8_t *)"\x4c\x3d\x2e\x1f\x00\x00\x00\x00"
  78                                "\x00\x00\x00\x00\x00\x00\x00\x00",
  79         .niv = 16,
  80     },
  81     /* No Truncation */
  82     {
  83         "/crypto/ivgen/plain64/1f2e3d4c5b6a7988",
  84         .sector = 0x1f2e3d4c5b6a7988ULL,
  85         .ivalg = QCRYPTO_IVGEN_ALG_PLAIN64,
  86         .iv = (const uint8_t *)"\x88\x79\x6a\x5b\x4c\x3d\x2e\x1f"
  87                                "\x00\x00\x00\x00\x00\x00\x00\x00",
  88         .niv = 16,
  89     },
  90     /* Small */
  91     {
  92         "/crypto/ivgen/essiv/1",
  93         .sector = 0x1,
  94         .ivalg = QCRYPTO_IVGEN_ALG_ESSIV,
  95         .cipheralg = QCRYPTO_CIPHER_ALG_AES_128,
  96         .hashalg = QCRYPTO_HASH_ALG_SHA256,
  97         .key = (const uint8_t *)"\x00\x01\x02\x03\x04\x05\x06\x07"
  98                                 "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f",
  99         .nkey = 16,
 100         .iv = (const uint8_t *)"\xd4\x83\x71\xb2\xa1\x94\x53\x88"
 101                                "\x1c\x7a\x2d\06\x2d\x0b\x65\x46",
 102         .niv = 16,
 103     },
 104     /* Big ! */
 105     {
 106         "/crypto/ivgen/essiv/1f2e3d4c",
 107         .sector = 0x1f2e3d4cULL,
 108         .ivalg = QCRYPTO_IVGEN_ALG_ESSIV,
 109         .cipheralg = QCRYPTO_CIPHER_ALG_AES_128,
 110         .hashalg = QCRYPTO_HASH_ALG_SHA256,
 111         .key = (const uint8_t *)"\x00\x01\x02\x03\x04\x05\x06\x07"
 112                                 "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f",
 113         .nkey = 16,
 114         .iv = (const uint8_t *)"\x5d\x36\x09\x5d\xc6\x9e\x5e\xe9"
 115                                "\xe3\x02\x8d\xd8\x7a\x3d\xe7\x8f",
 116         .niv = 16,
 117     },
 118     /* No Truncation */
 119     {
 120         "/crypto/ivgen/essiv/1f2e3d4c5b6a7988",
 121         .sector = 0x1f2e3d4c5b6a7988ULL,
 122         .ivalg = QCRYPTO_IVGEN_ALG_ESSIV,
 123         .cipheralg = QCRYPTO_CIPHER_ALG_AES_128,
 124         .hashalg = QCRYPTO_HASH_ALG_SHA256,
 125         .key = (const uint8_t *)"\x00\x01\x02\x03\x04\x05\x06\x07"
 126                                 "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f",
 127         .nkey = 16,
 128         .iv = (const uint8_t *)"\x58\xbb\x81\x94\x51\x83\x23\x23"
 129                                "\x7a\x08\x93\xa9\xdc\xd2\xd9\xab",
 130         .niv = 16,
 131     },
 132 };
 133
 134
 135 static void test_ivgen(const void *opaque)
 136 {
 137     const struct QCryptoIVGenTestData *data = opaque;
 138     uint8_t *iv = g_new0(uint8_t, data->niv);
 139     QCryptoIVGen *ivgen = qcrypto_ivgen_new(
 140         data->ivalg,
 141         data->cipheralg,
 142         data->hashalg,
 143         data->key,
 144         data->nkey,
 145         &error_abort);
 146
 147     qcrypto_ivgen_calculate(ivgen,
 148                             data->sector,
 149                             iv,
 150                             data->niv,
 151                             &error_abort);
 152
 153     g_assert(memcmp(iv, data->iv, data->niv) == 0);
 154
 155     qcrypto_ivgen_free(ivgen);
 156     g_free(iv);
 157 }
 158
 159 int main(int argc, char **argv)
 160 {
 161     size_t i;
 162     g_test_init(&argc, &argv, NULL);
 163     for (i = 0; i < G_N_ELEMENTS(test_data); i++) {
 164         if (test_data[i].ivalg == QCRYPTO_IVGEN_ALG_ESSIV &&
 165             !qcrypto_hash_supports(test_data[i].hashalg)) {
 166             continue;
 167         }
 168         g_test_add_data_func(test_data[i].path,
 169                              &(test_data[i]),
 170                              test_ivgen);
 171     }
 172     return g_test_run();
 173 }