lib/krb5/test_pknistkdf.c

   1 /*
   2  * Copyright (c) 2008 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 <pkinit_asn1.h>
  35 #include <err.h>
  36 #include <getarg.h>
  37
  38 RCSID("$Id$");
  39
  40 struct testcase {
  41     const heim_oid *(*oid)(void);
  42     krb5_data Z;
  43     const char *client;
  44     const char *server;
  45     krb5_enctype enctype;
  46     krb5_data as_req;
  47     krb5_data pk_as_rep;
  48     krb5_data ticket;
  49
  50     krb5_data key;
  51 } tests[] = {
  52     /* 0 */
  53     {
  54         oid_id_pkinit_kdf_ah_sha1, /* AlgorithmIdentifier */
  55         { /* Z */
  56             256,
  57             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
  58             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
  59             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
  60             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
  61             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
  62             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
  63             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
  64             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
  65             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
  66             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
  67             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
  68             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
  69             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
  70             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
  71             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
  72             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
  73         },
  74         "lha@SU.SE", /* client, partyUInfo */
  75         "krbtgt/SU.SE@SU.SE", /* server, partyVInfo */
  76         ETYPE_AES256_CTS_HMAC_SHA1_96, /* enctype */
  77         { /* as_req */
  78             10,
  79             "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA"
  80         },
  81         { /* pk_as_rep */
  82             9,
  83             "\xBB\xBB\xBB\xBB\xBB\xBB\xBB\xBB\xBB"
  84         },
  85         { /* ticket */
  86             55,
  87             "\x61\x35\x30\x33\xa0\x03\x02\x01\x05\xa1\x07\x1b\x05\x53\x55\x2e"
  88             "\x53\x45\xa2\x10\x30\x0e\xa0\x03\x02\x01\x01\xa1\x07\x30\x05\x1b"
  89             "\x03\x6c\x68\x61\xa3\x11\x30\x0f\xa0\x03\x02\x01\x12\xa2\x08\x04"
  90             "\x06\x68\x65\x6a\x68\x65\x6a"
  91         },
  92         { /* key */
  93             32,
  94             "\xc7\x62\x89\xec\x4b\x28\xa6\x91\xff\xce\x80\xbb\xb7\xec\x82\x41"
  95             "\x52\x3f\x99\xb1\x90\xcf\x2d\x34\x8f\x54\xa8\x65\x81\x2c\x32\x73"
  96         }
  97     }
  98 };
  99
 100 #ifdef MAKETICKET
 101 static void
 102 fooTicket(void)
 103 {
 104     krb5_error_code ret;
 105     krb5_data data;
 106     size_t size;
 107     Ticket t;
 108
 109     t.tkt_vno = 5;
 110     t.realm = "SU.SE";
 111     t.sname.name_type = KRB5_NT_PRINCIPAL;
 112     t.sname.name_string.len = 1;
 113     t.sname.name_string.val = ecalloc(1, sizeof(t.sname.name_string.val[0]));
 114     t.sname.name_string.val[0] = estrdup("lha");
 115     t.enc_part.etype = ETYPE_AES256_CTS_HMAC_SHA1_96;
 116     t.enc_part.kvno = NULL;
 117     t.enc_part.cipher.length = 6;
 118     t.enc_part.cipher.data = "hejhej";
 119
 120     ASN1_MALLOC_ENCODE(Ticket, data.data, data.length, &t, &size, ret);
 121     if (ret)
 122         errx(1, "ASN1_MALLOC_ENCODE(Ticket)");
 123
 124     rk_dumpdata("foo", data.data, data.length);
 125     free(data.data);
 126 }
 127 #endif
 128
 129 static void
 130 test_dh2key(krb5_context context, int i, struct testcase *c)
 131 {
 132     krb5_error_code ret;
 133     krb5_keyblock key;
 134     krb5_principal client, server;
 135     Ticket ticket;
 136     AlgorithmIdentifier ai;
 137     size_t size;
 138
 139     memset(&ticket, 0, sizeof(&ticket));
 140
 141     ai.algorithm = *(*c->oid)();
 142     ai.parameters = NULL;
 143
 144     ret = decode_Ticket(c->ticket.data, c->ticket.length, &ticket, &size);
 145     if (ret)
 146         krb5_errx(context, 1, "decode ticket: %d", ret);
 147
 148     ret = krb5_parse_name(context, c->client, &client);
 149     if (ret)
 150         krb5_err(context, 1, ret, "parse_name: %s", c->client);
 151     ret = krb5_parse_name(context, c->server, &server);
 152     if (ret)
 153         krb5_err(context, 1, ret, "parse_name: %s", c->server);
 154
 155     ret = _krb5_pk_kdf(context,
 156                        &ai,
 157                        c->Z.data,
 158                        c->Z.length,
 159                        client,
 160                        server,
 161                        c->enctype,
 162                        &c->as_req,
 163                        &c->pk_as_rep,
 164                        &ticket,
 165                        &key);
 166     krb5_free_principal(context, client);
 167     krb5_free_principal(context, server);
 168     if (ret)
 169         krb5_err(context, 1, ret, "_krb5_pk_kdf: %d", i);
 170
 171     if (key.keyvalue.length != c->key.length ||
 172         memcmp(key.keyvalue.data, c->key.data, c->key.length) != 0)
 173         krb5_errx(context, 1, "resulting key wrong: %d", i);
 174
 175     krb5_free_keyblock_contents(context, &key);
 176 }
 177
 178
 179
 180
 181 static int version_flag = 0;
 182 static int help_flag    = 0;
 183
 184 static struct getargs args[] = {
 185     {"version", 0,      arg_flag,       &version_flag,
 186      "print version", NULL },
 187     {"help",    0,      arg_flag,       &help_flag,
 188      NULL, NULL }
 189 };
 190
 191 static void
 192 usage (int ret)
 193 {
 194     arg_printusage (args,
 195                     sizeof(args)/sizeof(*args),
 196                     NULL,
 197                     "");
 198     exit (ret);
 199 }
 200
 201
 202 int
 203 main(int argc, char **argv)
 204 {
 205     krb5_context context;
 206     krb5_error_code ret;
 207     int i, optidx = 0;
 208
 209     setprogname(argv[0]);
 210
 211     if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
 212         usage(1);
 213
 214     if (help_flag)
 215         usage (0);
 216
 217     if(version_flag){
 218         print_version(NULL);
 219         exit(0);
 220     }
 221
 222     argc -= optidx;
 223     argv += optidx;
 224
 225 #ifdef MAKETICKET
 226     fooTicket();
 227 #endif
 228
 229     ret = krb5_init_context(&context);
 230     if (ret)
 231         errx (1, "krb5_init_context failed: %d", ret);
 232
 233     for (i = 0; i < sizeof(tests)/sizeof(tests[0]); i++)
 234         test_dh2key(context, i, &tests[i]);
 235
 236     krb5_free_context(context);
 237
 238     return 0;
 239 }