fips/cmac/fips_cmactest.c

   1 /* fips_cmactest.c */
   2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
   3  * project 2005.
   4  */
   5 /* ====================================================================
   6  * Copyright (c) 2005 The OpenSSL Project.  All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  *
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in
  17  *    the documentation and/or other materials provided with the
  18  *    distribution.
  19  *
  20  * 3. All advertising materials mentioning features or use of this
  21  *    software must display the following acknowledgment:
  22  *    "This product includes software developed by the OpenSSL Project
  23  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
  24  *
  25  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  26  *    endorse or promote products derived from this software without
  27  *    prior written permission. For written permission, please contact
  28  *    licensing@OpenSSL.org.
  29  *
  30  * 5. Products derived from this software may not be called "OpenSSL"
  31  *    nor may "OpenSSL" appear in their names without prior written
  32  *    permission of the OpenSSL Project.
  33  *
  34  * 6. Redistributions of any form whatsoever must retain the following
  35  *    acknowledgment:
  36  *    "This product includes software developed by the OpenSSL Project
  37  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  38  *
  39  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  40  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  41  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  42  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  43  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  44  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  45  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  46  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  48  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  49  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  50  * OF THE POSSIBILITY OF SUCH DAMAGE.
  51  * ====================================================================
  52  *
  53  * This product includes cryptographic software written by Eric Young
  54  * (eay@cryptsoft.com).  This product includes software written by Tim
  55  * Hudson (tjh@cryptsoft.com).
  56  *
  57  */
  58
  59 #define OPENSSL_FIPSAPI
  60
  61 #include <stdio.h>
  62 #include <ctype.h>
  63 #include <string.h>
  64 #include <openssl/bio.h>
  65 #include <openssl/evp.h>
  66 #include <openssl/cmac.h>
  67 #include <openssl/err.h>
  68 #include <openssl/bn.h>
  69
  70 #ifndef OPENSSL_FIPS
  71
  72 int main(int argc, char *argv[])
  73 {
  74     printf("No FIPS CMAC support\n");
  75     return(0);
  76 }
  77
  78 #else
  79
  80 #include <openssl/fips.h>
  81 #include "fips_utl.h"
  82
  83 static int cmac_test(const EVP_CIPHER *cipher, FILE *out, FILE *in, int mode);
  84 static int print_cmac_gen(const EVP_CIPHER *cipher, FILE *out,
  85                 unsigned char *Key, int Klen,
  86                 unsigned char *Msg, int Msglen,
  87                 int Tlen);
  88 static int print_cmac_ver(const EVP_CIPHER *cipher, FILE *out,
  89                 unsigned char *Key, int Klen,
  90                 unsigned char *Msg, int Msglen,
  91                 unsigned char *Mac, int Maclen,
  92                 int Tlen);
  93
  94 int main(int argc, char **argv)
  95         {
  96         FILE *in = NULL, *out = NULL;
  97         int mode = 0;           /* 0 => Generate, 1 => Verify */
  98
  99         int ret = 1;
 100         fips_set_error_print();
 101         if(!FIPS_mode_set(1))
 102                 goto end;
 103
 104         if (argc > 1 && argv[1][0] == '-')
 105                 {
 106                 if (strcmp(argv[1], "-g") == 0)
 107                         mode = 0;
 108                 else if (strcmp(argv[1], "-v") == 0)
 109                         mode = 1;
 110                 else
 111                         {
 112                         fprintf(stderr, "Unknown option %s\n", argv[1]);
 113                         goto end;
 114                         }
 115                 argv++;
 116                 argc--;
 117                 }
 118         if (argc == 1)
 119                 in = stdin;
 120         else
 121                 in = fopen(argv[1], "r");
 122
 123         if (argc < 2)
 124                 out = stdout;
 125         else
 126                 out = fopen(argv[2], "w");
 127
 128         if (!in)
 129                 {
 130                 fprintf(stderr, "FATAL input initialization error\n");
 131                 goto end;
 132                 }
 133
 134         if (!out)
 135                 {
 136                 fprintf(stderr, "FATAL output initialization error\n");
 137                 goto end;
 138                 }
 139
 140         if (!cmac_test(EVP_aes_256_cbc(), out, in, mode))
 141                 {
 142                 fprintf(stderr, "FATAL cmac file processing error\n");
 143                 goto end;
 144                 }
 145         else
 146                 ret = 0;
 147
 148         end:
 149
 150         if (in && (in != stdin))
 151                 fclose(in);
 152         if (out && (out != stdout))
 153                 fclose(out);
 154
 155         return ret;
 156
 157         }
 158
 159 #define CMAC_TEST_MAXLINELEN    1024
 160
 161 int cmac_test(const EVP_CIPHER *cipher, FILE *out, FILE *in, int mode)
 162         {
 163         char *linebuf, *olinebuf, *p, *q;
 164         char *keyword, *value;
 165         unsigned char *Key = NULL, *Msg = NULL, *Mac = NULL;
 166         int Count, Klen, Mlen, Tlen;
 167         long Keylen, Msglen, Maclen;
 168         int ret = 0;
 169         int lnum = 0;
 170
 171         olinebuf = OPENSSL_malloc(CMAC_TEST_MAXLINELEN);
 172         linebuf = OPENSSL_malloc(CMAC_TEST_MAXLINELEN);
 173
 174         if (!linebuf || !olinebuf)
 175                 goto error;
 176
 177         Count = -1;
 178         Klen = -1;
 179         Mlen = -1;
 180         Tlen = -1;
 181
 182         while (fgets(olinebuf, CMAC_TEST_MAXLINELEN, in))
 183                 {
 184                 lnum++;
 185                 strcpy(linebuf, olinebuf);
 186                 keyword = linebuf;
 187                 /* Skip leading space */
 188                 while (isspace((unsigned char)*keyword))
 189                         keyword++;
 190
 191                 /* Skip comments */
 192                 if (keyword[0] == '#')
 193                         {
 194                         if (fputs(olinebuf, out) < 0)
 195                                 goto error;
 196                         continue;
 197                         }
 198
 199                 /* Look for = sign */
 200                 p = strchr(linebuf, '=');
 201
 202                 /* If no = or starts with [ (for [L=20] line) just copy */
 203                 if (!p)
 204                         {
 205                         if (fputs(olinebuf, out) < 0)
 206                                 goto error;
 207                         continue;
 208                         }
 209
 210                 q = p - 1;
 211
 212                 /* Remove trailing space */
 213                 while (isspace((unsigned char)*q))
 214                         *q-- = 0;
 215
 216                 *p = 0;
 217                 value = p + 1;
 218
 219                 /* Remove leading space from value */
 220                 while (isspace((unsigned char)*value))
 221                         value++;
 222
 223                 /* Remove trailing space from value */
 224                 p = value + strlen(value) - 1;
 225
 226                 while (*p == '\n' || isspace((unsigned char)*p))
 227                         *p-- = 0;
 228
 229                 if (!strcmp(keyword, "Count"))
 230                         {
 231                         if (Count != -1)
 232                                 goto parse_error;
 233                         Count = atoi(value);
 234                         if (Count < 0)
 235                                 goto parse_error;
 236                         }
 237                 else if (!strcmp(keyword, "Klen"))
 238                         {
 239                         if (Klen != -1)
 240                                 goto parse_error;
 241                         Klen = atoi(value);
 242                         if (Klen < 0)
 243                                 goto parse_error;
 244                         }
 245                 else if (!strcmp(keyword, "Mlen"))
 246                         {
 247                         if (Mlen != -1)
 248                                 goto parse_error;
 249                         Mlen = atoi(value);
 250                         if (Mlen < 0)
 251                                 goto parse_error;
 252                         }
 253                 else if (!strcmp(keyword, "Tlen"))
 254                         {
 255                         if (Tlen != -1)
 256                                 goto parse_error;
 257                         Tlen = atoi(value);
 258                         if (Tlen < 0)
 259                                 goto parse_error;
 260                         }
 261                 else if (!strcmp(keyword, "Key"))
 262                         {
 263                         if (Key)
 264                                 goto parse_error;
 265                         Key = hex2bin_m(value, &Keylen);
 266                         if (!Key)
 267                                 goto parse_error;
 268                         }
 269                 else if (!strcmp(keyword, "Msg"))
 270                         {
 271                         if (Msg)
 272                                 goto parse_error;
 273                         Msg = hex2bin_m(value, &Msglen);
 274                         if (!Msg)
 275                                 goto parse_error;
 276                         }
 277                 else if (!strcmp(keyword, "Mac"))
 278                         {
 279                         if (mode == 0)
 280                                 continue;
 281                         if (Mac)
 282                                 goto parse_error;
 283                         Mac = hex2bin_m(value, &Maclen);
 284                         if (!Mac)
 285                                 goto parse_error;
 286                         }
 287                 else if (!strcmp(keyword, "Result"))
 288                         {
 289                         if (mode == 1)
 290                                 continue;
 291                         goto parse_error;
 292                         }
 293                 else
 294                         goto parse_error;
 295
 296                 fputs(olinebuf, out);
 297
 298                 switch(mode)
 299                         {
 300                 case 0:
 301                         if (Key && Msg && (Tlen > 0) && (Klen > 0))
 302                                 {
 303                                 if (!print_cmac_gen(cipher, out,
 304                                                 Key, Klen,
 305                                                 Msg, Mlen,
 306                                                 Tlen))
 307                                         goto error;
 308                                 OPENSSL_free(Key);
 309                                 Key = NULL;
 310                                 OPENSSL_free(Msg);
 311                                 Msg = NULL;
 312                                 Klen = -1;
 313                                 Mlen = -1;
 314                                 Tlen = -1;
 315                                 Count = -1;
 316                                 }
 317                         break;
 318                 case 1:
 319                         if (Key && Msg && Mac && (Tlen > 0) && (Klen > 0))
 320                                 {
 321                                 if (!print_cmac_ver(cipher, out,
 322                                                 Key, Klen,
 323                                                 Msg, Mlen,
 324                                                 Mac, Maclen,
 325                                                 Tlen))
 326                                         goto error;
 327                                 OPENSSL_free(Key);
 328                                 Key = NULL;
 329                                 OPENSSL_free(Msg);
 330                                 Msg = NULL;
 331                                 OPENSSL_free(Mac);
 332                                 Mac = NULL;
 333                                 Klen = -1;
 334                                 Mlen = -1;
 335                                 Tlen = -1;
 336                                 Count = -1;
 337                                 }
 338                         break;
 339                         }
 340
 341                 }
 342
 343
 344         ret = 1;
 345
 346
 347         error:
 348
 349         if (olinebuf)
 350                 OPENSSL_free(olinebuf);
 351         if (linebuf)
 352                 OPENSSL_free(linebuf);
 353         if (Key)
 354                 OPENSSL_free(Key);
 355         if (Msg)
 356                 OPENSSL_free(Msg);
 357
 358         return ret;
 359
 360         parse_error:
 361
 362         fprintf(stderr, "FATAL parse error processing line %d\n", lnum);
 363
 364         goto error;
 365
 366         }
 367
 368 static int print_cmac_gen(const EVP_CIPHER *cipher, FILE *out,
 369                 unsigned char *Key, int Klen,
 370                 unsigned char *Msg, int Mlen,
 371                 int Tlen)
 372         {
 373         int rc, i;
 374         size_t reslen;
 375         unsigned char res[1024];
 376         CMAC_CTX *cmac_ctx = CMAC_CTX_new();
 377
 378         CMAC_Init(cmac_ctx, Key, Klen, cipher, 0);
 379         CMAC_Update(cmac_ctx, Msg, Mlen);
 380         if (!CMAC_Final(cmac_ctx, res, &reslen))
 381                 {
 382                 fputs("Error calculating CMAC\n", stderr);
 383                 rc = 0;
 384                 }
 385         else if (Tlen > reslen)
 386                 {
 387                 fputs("Parameter error, Tlen > CMAC length\n", stderr);
 388                 rc = 0;
 389                 }
 390         else
 391                 {
 392                 fputs("Mac = ", out);
 393                 for (i = 0; i < Tlen; i++)
 394                         fprintf(out, "%02x", res[i]);
 395                 fputs("\n", out);
 396                 rc = 1;
 397                 }
 398         CMAC_CTX_free(cmac_ctx);
 399         return rc;
 400         }
 401
 402 static int print_cmac_ver(const EVP_CIPHER *cipher, FILE *out,
 403                 unsigned char *Key, int Klen,
 404                 unsigned char *Msg, int Mlen,
 405                 unsigned char *Mac, int Maclen,
 406                 int Tlen)
 407         {
 408         int rc;
 409         size_t reslen;
 410         unsigned char res[1024];
 411         CMAC_CTX *cmac_ctx = CMAC_CTX_new();
 412
 413         CMAC_Init(cmac_ctx, Key, Klen, cipher, 0);
 414         CMAC_Update(cmac_ctx, Msg, Mlen);
 415         if (!CMAC_Final(cmac_ctx, res, &reslen))
 416                 {
 417                 fputs("Error calculating CMAC\n", stderr);
 418                 rc = 0;
 419                 }
 420         else if (Tlen > reslen)
 421                 {
 422                 fputs("Parameter error, Tlen > CMAC length\n", stderr);
 423                 rc = 0;
 424                 }
 425         else if (Tlen != Maclen)
 426                 {
 427                 fputs("Parameter error, Tlen != resulting Mac length\n", stderr);
 428                 rc = 0;
 429                 }
 430         else
 431                 {
 432                 if (!memcmp(Mac, res, Maclen))
 433                         fputs("Result = P\n", out);
 434                 else
 435                         fputs("Result = F\n", out);
 436                 }
 437         CMAC_CTX_free(cmac_ctx);
 438         return rc;
 439         }
 440
 441 #endif