lib/krb5/pseudo-random-test.c

   1 /*
   2  * Copyright (c) 2001 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * 3. Neither the name of KTH nor the names of its contributors may be
  18  *    used to endorse or promote products derived from this software without
  19  *    specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY KTH AND ITS CONTRIBUTORS ``AS IS'' AND ANY
  22  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  24  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KTH OR ITS CONTRIBUTORS BE
  25  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  28  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  29  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  30  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  31  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
  32
  33 #include "krb5_locl.h"
  34 #include <err.h>
  35
  36 enum { MAXSIZE = 48 };
  37
  38 static struct testcase {
  39     krb5_enctype enctype;
  40     unsigned char constant[MAXSIZE];
  41     size_t constant_len;
  42     unsigned char key[MAXSIZE];
  43     unsigned char res[MAXSIZE];
  44 } tests[] = {
  45     {ETYPE_AES128_CTS_HMAC_SHA256_128, "test", 4,
  46      {0x37, 0x05, 0xD9, 0x60, 0x80, 0xC1, 0x77, 0x28, 0xA0, 0xE8, 0x00, 0xEA, 0xB6, 0xE0, 0xD2, 0x3C},
  47      {0x9D, 0x18, 0x86, 0x16, 0xF6, 0x38, 0x52, 0xFE, 0x86, 0x91, 0x5B, 0xB8, 0x40, 0xB4, 0xA8, 0x86,
  48       0xFF, 0x3E, 0x6B, 0xB0, 0xF8, 0x19, 0xB4, 0x9B, 0x89, 0x33, 0x93, 0xD3, 0x93, 0x85, 0x42, 0x95}},
  49     {ETYPE_AES256_CTS_HMAC_SHA384_192, "test", 4,
  50      {0x6D, 0x40, 0x4D, 0x37, 0xFA, 0xF7, 0x9F, 0x9D, 0xF0, 0xD3, 0x35, 0x68, 0xD3, 0x20, 0x66, 0x98,
  51       0x00, 0xEB, 0x48, 0x36, 0x47, 0x2E, 0xA8, 0xA0, 0x26, 0xD1, 0x6B, 0x71, 0x82, 0x46, 0x0C, 0x52},
  52      {0x98, 0x01, 0xF6, 0x9A, 0x36, 0x8C, 0x2B, 0xF6, 0x75, 0xE5, 0x95, 0x21, 0xE1, 0x77, 0xD9, 0xA0,
  53       0x7F, 0x67, 0xEF, 0xE1, 0xCF, 0xDE, 0x8D, 0x3C, 0x8D, 0x6F, 0x6A, 0x02, 0x56, 0xE3, 0xB1, 0x7D,
  54       0xB3, 0xC1, 0xB6, 0x2A, 0xD1, 0xB8, 0x55, 0x33, 0x60, 0xD1, 0x73, 0x67, 0xEB, 0x15, 0x14, 0xD2}},
  55     {0, {0}, 0, {0}, {0}}
  56 };
  57
  58 int
  59 main(int argc, char **argv)
  60 {
  61     struct testcase *t;
  62     krb5_context context;
  63     krb5_error_code ret;
  64     int val = 0;
  65
  66     ret = krb5_init_context (&context);
  67     if (ret)
  68         errx (1, "krb5_init_context failed: %d", ret);
  69
  70     for (t = tests; t->enctype != 0; ++t) {
  71         krb5_keyblock key;
  72         krb5_crypto crypto;
  73         krb5_data constant, prf;
  74
  75         krb5_data_zero(&prf);
  76
  77         key.keytype = t->enctype;
  78         krb5_enctype_keysize(context, t->enctype, &key.keyvalue.length);
  79         key.keyvalue.data   = t->key;
  80
  81         ret = krb5_crypto_init(context, &key, 0, &crypto);
  82         if (ret)
  83             krb5_err (context, 1, ret, "krb5_crypto_init");
  84
  85         constant.data = t->constant;
  86         constant.length = t->constant_len;
  87
  88         ret = krb5_crypto_prf(context, crypto, &constant, &prf);
  89         if (ret)
  90             krb5_err (context, 1, ret, "krb5_crypto_prf");
  91
  92         if (memcmp(prf.data, t->res, prf.length) != 0) {
  93             const unsigned char *p = prf.data;
  94             int i;
  95
  96             printf ("PRF failed (enctype %d)\n", t->enctype);
  97             printf ("should be: ");
  98             for (i = 0; i < prf.length; ++i)
  99                 printf ("%02x", t->res[i]);
 100             printf ("\nresult was: ");
 101             for (i = 0; i < prf.length; ++i)
 102                 printf ("%02x", p[i]);
 103             printf ("\n");
 104             val = 1;
 105         }
 106         krb5_data_free(&prf);
 107         krb5_crypto_destroy(context, crypto);
 108     }
 109     krb5_free_context(context);
 110
 111     return val;
 112 }