lib/krb5/test_rfc3961.c

   1 /*
   2  * Copyright (c) 2003-2005 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 #include <getarg.h>
  36
  37 static void
  38 time_encryption(krb5_context context, size_t size,
  39                 krb5_enctype etype, int iterations)
  40 {
  41     struct timeval tv1, tv2;
  42     krb5_error_code ret;
  43     krb5_keyblock key;
  44     krb5_crypto crypto;
  45     krb5_data data;
  46     char *etype_name;
  47     void *buf;
  48     int i;
  49
  50     ret = krb5_generate_random_keyblock(context, etype, &key);
  51     if (ret)
  52         krb5_err(context, 1, ret, "krb5_generate_random_keyblock");
  53
  54     ret = krb5_enctype_to_string(context, etype, &etype_name);
  55     if (ret)
  56         krb5_err(context, 1, ret, "krb5_enctype_to_string");
  57
  58     buf = malloc(size);
  59     if (buf == NULL)
  60         krb5_errx(context, 1, "out of memory");
  61     memset(buf, 0, size);
  62
  63     ret = krb5_crypto_init(context, &key, 0, &crypto);
  64     if (ret)
  65         krb5_err(context, 1, ret, "krb5_crypto_init");
  66
  67     gettimeofday(&tv1, NULL);
  68
  69     for (i = 0; i < iterations; i++) {
  70         ret = krb5_encrypt(context, crypto, 0, buf, size, &data);
  71         if (ret)
  72             krb5_err(context, 1, ret, "encrypt: %d", i);
  73         krb5_data_free(&data);
  74     }
  75
  76     gettimeofday(&tv2, NULL);
  77
  78     timevalsub(&tv2, &tv1);
  79
  80     printf("%s size: %7lu iterations: %d time: %3ld.%06ld\n",
  81            etype_name, (unsigned long)size, iterations,
  82            (long)tv2.tv_sec, (long)tv2.tv_usec);
  83
  84     free(buf);
  85     free(etype_name);
  86     krb5_crypto_destroy(context, crypto);
  87     krb5_free_keyblock_contents(context, &key);
  88 }
  89
  90 static void
  91 time_s2k(krb5_context context,
  92          krb5_enctype etype,
  93          const char *password,
  94          krb5_salt salt,
  95          int iterations)
  96 {
  97     struct timeval tv1, tv2;
  98     krb5_error_code ret;
  99     krb5_keyblock key;
 100     krb5_data opaque;
 101     char *etype_name;
 102     int i;
 103
 104     ret = krb5_enctype_to_string(context, etype, &etype_name);
 105     if (ret)
 106         krb5_err(context, 1, ret, "krb5_enctype_to_string");
 107
 108     opaque.data = NULL;
 109     opaque.length = 0;
 110
 111     gettimeofday(&tv1, NULL);
 112
 113     for (i = 0; i < iterations; i++) {
 114         ret = krb5_string_to_key_salt_opaque(context, etype, password, salt,
 115                                          opaque, &key);
 116         if (ret)
 117             krb5_err(context, 1, ret, "krb5_string_to_key_data_salt_opaque");
 118         krb5_free_keyblock_contents(context, &key);
 119     }
 120
 121     gettimeofday(&tv2, NULL);
 122
 123     timevalsub(&tv2, &tv1);
 124
 125     printf("%s string2key %d iterations time: %3ld.%06ld\n",
 126            etype_name, iterations, (long)tv2.tv_sec, (long)tv2.tv_usec);
 127     free(etype_name);
 128
 129 }
 130
 131 static int version_flag = 0;
 132 static int help_flag    = 0;
 133
 134 static struct getargs args[] = {
 135     {"version", 0,      arg_flag,       &version_flag,
 136      "print version", NULL },
 137     {"help",    0,      arg_flag,       &help_flag,
 138      NULL, NULL }
 139 };
 140
 141 static void
 142 usage (int ret)
 143 {
 144     arg_printusage (args,
 145                     sizeof(args)/sizeof(*args),
 146                     NULL,
 147                     "");
 148     exit (ret);
 149 }
 150
 151 int
 152 main(int argc, char **argv)
 153 {
 154     krb5_context context;
 155     krb5_error_code ret;
 156     int i, enciter, s2kiter;
 157     int optidx = 0;
 158     krb5_salt salt;
 159
 160     krb5_enctype enctypes[] = {
 161         ETYPE_DES_CBC_CRC,
 162         ETYPE_DES3_CBC_SHA1,
 163         ETYPE_ARCFOUR_HMAC_MD5,
 164         ETYPE_AES128_CTS_HMAC_SHA1_96,
 165         ETYPE_AES256_CTS_HMAC_SHA1_96
 166     };
 167
 168     setprogname(argv[0]);
 169
 170     if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
 171         usage(1);
 172
 173     if (help_flag)
 174         usage (0);
 175
 176     if(version_flag){
 177         print_version(NULL);
 178         exit(0);
 179     }
 180
 181     salt.salttype = KRB5_PW_SALT;
 182     salt.saltvalue.data = NULL;
 183     salt.saltvalue.length = 0;
 184
 185     ret = krb5_init_context(&context);
 186     if (ret)
 187         errx (1, "krb5_init_context failed: %d", ret);
 188
 189     enciter = 1000;
 190     s2kiter = 100;
 191
 192     for (i = 0; i < sizeof(enctypes)/sizeof(enctypes[0]); i++) {
 193
 194         krb5_enctype_enable(context, enctypes[i]);
 195
 196         time_encryption(context, 16, enctypes[i], enciter);
 197         time_encryption(context, 32, enctypes[i], enciter);
 198         time_encryption(context, 512, enctypes[i], enciter);
 199         time_encryption(context, 1024, enctypes[i], enciter);
 200         time_encryption(context, 2048, enctypes[i], enciter);
 201         time_encryption(context, 4096, enctypes[i], enciter);
 202         time_encryption(context, 8192, enctypes[i], enciter);
 203         time_encryption(context, 16384, enctypes[i], enciter);
 204         time_encryption(context, 32768, enctypes[i], enciter);
 205
 206         time_s2k(context, enctypes[i], "mYsecreitPassword", salt, s2kiter);
 207     }
 208
 209     krb5_free_context(context);
 210
 211     return 0;
 212 }