crypto/dist/heimdal/lib/krb5/test_prf.c

   1 /*
   2  * Copyright (c) 2007 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
  34 #include "krb5_locl.h"
  35
  36 __RCSID("$Heimdal: test_prf.c 20843 2007-06-03 14:23:20Z lha $"
  37         "$NetBSD$");
  38
  39 #include <hex.h>
  40 #include <err.h>
  41
  42 /*
  43  * key: string2key(aes256, "testkey", "testkey", default_params)
  44  * input: unhex(1122334455667788)
  45  * output: 58b594b8a61df6e9439b7baa991ff5c1
  46  *
  47  * key: string2key(aes128, "testkey", "testkey", default_params)
  48  * input: unhex(1122334455667788)
  49  * output: ffa2f823aa7f83a8ce3c5fb730587129
  50  */
  51
  52 int
  53 main(int argc, char **argv)
  54 {
  55     krb5_context context;
  56     krb5_error_code ret;
  57     krb5_keyblock key;
  58     krb5_crypto crypto;
  59     size_t length;
  60     krb5_data input, output, output2;
  61     krb5_enctype etype = ETYPE_AES256_CTS_HMAC_SHA1_96;
  62
  63     ret = krb5_init_context(&context);
  64     if (ret)
  65         errx(1, "krb5_init_context %d", ret);
  66
  67     ret = krb5_generate_random_keyblock(context, etype, &key);
  68     if (ret)
  69         krb5_err(context, 1, ret, "krb5_generate_random_keyblock");
  70
  71     ret = krb5_crypto_prf_length(context, etype, &length);
  72     if (ret)
  73         krb5_err(context, 1, ret, "krb5_crypto_prf_length");
  74
  75     ret = krb5_crypto_init(context, &key, 0, &crypto);
  76     if (ret)
  77         krb5_err(context, 1, ret, "krb5_crypto_init");
  78
  79     input.data = rk_UNCONST("foo");
  80     input.length = 3;
  81
  82     ret = krb5_crypto_prf(context, crypto, &input, &output);
  83     if (ret)
  84         krb5_err(context, 1, ret, "krb5_crypto_prf");
  85
  86     ret = krb5_crypto_prf(context, crypto, &input, &output2);
  87     if (ret)
  88         krb5_err(context, 1, ret, "krb5_crypto_prf");
  89
  90     if (krb5_data_cmp(&output, &output2) != 0)
  91         krb5_errx(context, 1, "krb5_data_cmp");
  92
  93     krb5_data_free(&output);
  94     krb5_data_free(&output2);
  95
  96     krb5_crypto_destroy(context, crypto);
  97
  98     krb5_free_keyblock_contents(context, &key);
  99
 100     krb5_free_context(context);
 101
 102     return 0;
 103 }