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,
  84         int mode, int Klen_counts_keys, int known_keylen);
  85 static int print_cmac_gen(const EVP_CIPHER *cipher, FILE *out,
  86                 unsigned char *Key, int Klen,
  87                 unsigned char *Msg, int Msglen,
  88                 int Tlen);
  89 static int print_cmac_ver(const EVP_CIPHER *cipher, FILE *out,
  90                 unsigned char *Key, int Klen,
  91                 unsigned char *Msg, int Msglen,
  92                 unsigned char *Mac, int Maclen,
  93                 int Tlen);
  94
  95 int main(int argc, char **argv)
  96         {
  97         FILE *in = NULL, *out = NULL;
  98         int mode = 0;           /* 0 => Generate, 1 => Verify */
  99         int Klen_counts_keys = 0; /* 0 => Klen is size of one key
 100                                      1 => Klen is amount of keys
 101                                   */
 102         int known_keylen = 0;   /* Only set when Klen_counts_keys = 1 */
 103         const EVP_CIPHER *cipher = 0;
 104         int ret = 1;
 105         fips_algtest_init();
 106
 107         while (argc > 1 && argv[1][0] == '-')
 108                 {
 109                 switch (argv[1][1])
 110                         {
 111                 case 'a':
 112                         {
 113                         char *p = &argv[1][2];
 114                         if (*p == '\0')
 115                                 {
 116                                 if (argc <= 2)
 117                                         {
 118                                         fprintf(stderr, "Option %s needs a value\n", argv[1]);
 119                                         goto end;
 120                                         }
 121                                 argv++;
 122                                 argc--;
 123                                 p = &argv[1][0];
 124                                 }
 125                         if (!strcmp(p, "aes128"))
 126                                 cipher = EVP_aes_128_cbc();
 127                         else if (!strcmp(p, "aes192"))
 128                                 cipher = EVP_aes_192_cbc();
 129                         else if (!strcmp(p, "aes256"))
 130                                 cipher = EVP_aes_256_cbc();
 131                         else if (!strcmp(p, "tdea3") || !strcmp(p, "tdes3"))
 132                                 {
 133                                 cipher = EVP_des_ede3_cbc();
 134                                 Klen_counts_keys = 1;
 135                                 known_keylen = 8;
 136                                 }
 137                         else
 138                                 {
 139                                 fprintf(stderr, "Unknown algorithm %s\n", p);
 140                                 goto end;
 141                                 }
 142                         }
 143                         break;
 144                 case 'g':
 145                         mode = 0;
 146                         break;
 147                 case 'v':
 148                         mode = 1;
 149                         break;
 150                 default:
 151                         fprintf(stderr, "Unknown option %s\n", argv[1]);
 152                         goto end;
 153                         }
 154                 argv++;
 155                 argc--;
 156                 }
 157         if (argc == 1)
 158                 in = stdin;
 159         else
 160                 in = fopen(argv[1], "r");
 161
 162         if (argc < 2)
 163                 out = stdout;
 164         else
 165                 out = fopen(argv[2], "w");
 166
 167         if (!in)
 168                 {
 169                 fprintf(stderr, "FATAL input initialization error\n");
 170                 goto end;
 171                 }
 172
 173         if (!out)
 174                 {
 175                 fprintf(stderr, "FATAL output initialization error\n");
 176                 goto end;
 177                 }
 178
 179         if (!cmac_test(cipher, out, in, mode,
 180                         Klen_counts_keys, known_keylen))
 181                 {
 182                 fprintf(stderr, "FATAL cmac file processing error\n");
 183                 goto end;
 184                 }
 185         else
 186                 ret = 0;
 187
 188         end:
 189
 190         if (in && (in != stdin))
 191                 fclose(in);
 192         if (out && (out != stdout))
 193                 fclose(out);
 194
 195         return ret;
 196
 197         }
 198
 199 #define CMAC_TEST_MAXLINELEN    150000
 200
 201 int cmac_test(const EVP_CIPHER *cipher, FILE *out, FILE *in,
 202         int mode, int Klen_counts_keys, int known_keylen)
 203         {
 204         char *linebuf, *olinebuf, *p, *q;
 205         char *keyword, *value;
 206         unsigned char **Keys = NULL, *Msg = NULL, *Mac = NULL;
 207         unsigned char *Key = NULL;
 208         int Count, Klen, Mlen, Tlen;
 209         long Keylen, Msglen, Maclen;
 210         int ret = 0;
 211         int lnum = 0;
 212
 213         olinebuf = OPENSSL_malloc(CMAC_TEST_MAXLINELEN);
 214         linebuf = OPENSSL_malloc(CMAC_TEST_MAXLINELEN);
 215
 216         if (!linebuf || !olinebuf)
 217                 goto error;
 218
 219         Count = -1;
 220         Klen = -1;
 221         Mlen = -1;
 222         Tlen = -1;
 223
 224         while (fgets(olinebuf, CMAC_TEST_MAXLINELEN, in))
 225                 {
 226                 lnum++;
 227                 strcpy(linebuf, olinebuf);
 228                 keyword = linebuf;
 229                 /* Skip leading space */
 230                 while (isspace((unsigned char)*keyword))
 231                         keyword++;
 232
 233                 /* Skip comments */
 234                 if (keyword[0] == '#')
 235                         {
 236                         if (fputs(olinebuf, out) < 0)
 237                                 goto error;
 238                         continue;
 239                         }
 240
 241                 /* Look for = sign */
 242                 p = strchr(linebuf, '=');
 243
 244                 /* If no = or starts with [ (for [L=20] line) just copy */
 245                 if (!p)
 246                         {
 247                         if (fputs(olinebuf, out) < 0)
 248                                 goto error;
 249                         continue;
 250                         }
 251
 252                 q = p - 1;
 253
 254                 /* Remove trailing space */
 255                 while (isspace((unsigned char)*q))
 256                         *q-- = 0;
 257
 258                 *p = 0;
 259                 value = p + 1;
 260
 261                 /* Remove leading space from value */
 262                 while (isspace((unsigned char)*value))
 263                         value++;
 264
 265                 /* Remove trailing space from value */
 266                 p = value + strlen(value) - 1;
 267
 268                 while (*p == '\n' || isspace((unsigned char)*p))
 269                         *p-- = 0;
 270
 271                 if (!strcmp(keyword, "Count"))
 272                         {
 273                         if (Count != -1)
 274                                 goto parse_error;
 275                         Count = atoi(value);
 276                         if (Count < 0)
 277                                 goto parse_error;
 278                         }
 279                 else if (!strcmp(keyword, "Klen"))
 280                         {
 281                         if (Klen != -1)
 282                                 goto parse_error;
 283                         Klen = atoi(value);
 284                         if (Klen < 0)
 285                                 goto parse_error;
 286                         if (Klen_counts_keys)
 287                                 {
 288                                 Keys = OPENSSL_malloc(sizeof(*Keys) * Klen);
 289                                 memset(Keys, '\0', sizeof(*Keys) * Klen);
 290                                 }
 291                         else
 292                                 {
 293                                 Keys = OPENSSL_malloc(sizeof(*Keys));
 294                                 memset(Keys, '\0', sizeof(*Keys));
 295                                 }
 296                         }
 297                 else if (!strcmp(keyword, "Mlen"))
 298                         {
 299                         if (Mlen != -1)
 300                                 goto parse_error;
 301                         Mlen = atoi(value);
 302                         if (Mlen < 0)
 303                                 goto parse_error;
 304                         }
 305                 else if (!strcmp(keyword, "Tlen"))
 306                         {
 307                         if (Tlen != -1)
 308                                 goto parse_error;
 309                         Tlen = atoi(value);
 310                         if (Tlen < 0)
 311                                 goto parse_error;
 312                         }
 313                 else if (!strcmp(keyword, "Key") && !Klen_counts_keys)
 314                         {
 315                         if (Keys[0])
 316                                 goto parse_error;
 317                         Keys[0] = hex2bin_m(value, &Keylen);
 318                         if (!Keys[0])
 319                                 goto parse_error;
 320                         }
 321                 else if (!strncmp(keyword, "Key", 3) && Klen_counts_keys)
 322                         {
 323                         int keynum = atoi(keyword + 3);
 324                         if (!keynum || keynum > Klen || Keys[keynum-1])
 325                                 goto parse_error;
 326                         Keys[keynum-1] = hex2bin_m(value, &Keylen);
 327                         if (!Keys[keynum-1])
 328                                 goto parse_error;
 329                         }
 330                 else if (!strcmp(keyword, "Msg"))
 331                         {
 332                         if (Msg)
 333                                 goto parse_error;
 334                         Msg = hex2bin_m(value, &Msglen);
 335                         if (!Msg)
 336                                 goto parse_error;
 337                         }
 338                 else if (!strcmp(keyword, "Mac"))
 339                         {
 340                         if (mode == 0)
 341                                 continue;
 342                         if (Mac)
 343                                 goto parse_error;
 344                         Mac = hex2bin_m(value, &Maclen);
 345                         if (!Mac)
 346                                 goto parse_error;
 347                         }
 348                 else if (!strcmp(keyword, "Result"))
 349                         {
 350                         if (mode == 1)
 351                                 continue;
 352                         goto parse_error;
 353                         }
 354                 else
 355                         goto parse_error;
 356
 357                 fputs(olinebuf, out);
 358
 359                 if (Keys && Msg && (!mode || Mac) && (Tlen > 0) && (Klen > 0))
 360                         {
 361                         if (Klen_counts_keys)
 362                                 {
 363                                 int x;
 364                                 Key = OPENSSL_malloc(Klen * known_keylen);
 365                                 for (x = 0; x < Klen; x++)
 366                                         {
 367                                         memcpy(Key + x * known_keylen,
 368                                                 Keys[x], known_keylen);
 369                                         OPENSSL_free(Keys[x]);
 370                                         }
 371                                 Klen *= known_keylen;
 372                                 }
 373                         else
 374                                 {
 375                                 Key = OPENSSL_malloc(Klen);
 376                                 memcpy(Key, Keys[0], Klen);
 377                                 OPENSSL_free(Keys[0]);
 378                                 }
 379                         OPENSSL_free(Keys);
 380
 381                         switch(mode)
 382                                 {
 383                         case 0:
 384                                 if (!print_cmac_gen(cipher, out,
 385                                                 Key, Klen,
 386                                                 Msg, Mlen,
 387                                                 Tlen))
 388                                         goto error;
 389                                 break;
 390                         case 1:
 391                                 if (!print_cmac_ver(cipher, out,
 392                                                 Key, Klen,
 393                                                 Msg, Mlen,
 394                                                 Mac, Maclen,
 395                                                 Tlen))
 396                                         goto error;
 397                                 break;
 398                                 }
 399
 400                         OPENSSL_free(Key);
 401                         Key = NULL;
 402                         OPENSSL_free(Msg);
 403                         Msg = NULL;
 404                         OPENSSL_free(Mac);
 405                         Mac = NULL;
 406                         Klen = -1;
 407                         Mlen = -1;
 408                         Tlen = -1;
 409                         Count = -1;
 410                         }
 411                 }
 412
 413
 414         ret = 1;
 415
 416
 417         error:
 418
 419         if (olinebuf)
 420                 OPENSSL_free(olinebuf);
 421         if (linebuf)
 422                 OPENSSL_free(linebuf);
 423         if (Key)
 424                 OPENSSL_free(Key);
 425         if (Msg)
 426                 OPENSSL_free(Msg);
 427         if (Mac)
 428                 OPENSSL_free(Mac);
 429
 430         return ret;
 431
 432         parse_error:
 433
 434         fprintf(stderr, "FATAL parse error processing line %d\n", lnum);
 435
 436         goto error;
 437
 438         }
 439
 440 static int print_cmac_gen(const EVP_CIPHER *cipher, FILE *out,
 441                 unsigned char *Key, int Klen,
 442                 unsigned char *Msg, int Mlen,
 443                 int Tlen)
 444         {
 445         int rc, i;
 446         size_t reslen;
 447         unsigned char res[128];
 448         CMAC_CTX *cmac_ctx = CMAC_CTX_new();
 449
 450         CMAC_Init(cmac_ctx, Key, Klen, cipher, 0);
 451         CMAC_Update(cmac_ctx, Msg, Mlen);
 452         if (!CMAC_Final(cmac_ctx, res, &reslen))
 453                 {
 454                 fputs("Error calculating CMAC\n", stderr);
 455                 rc = 0;
 456                 }
 457         else if (Tlen > (int)reslen)
 458                 {
 459                 fputs("Parameter error, Tlen > CMAC length\n", stderr);
 460                 rc = 0;
 461                 }
 462         else
 463                 {
 464                 fputs("Mac = ", out);
 465                 for (i = 0; i < Tlen; i++)
 466                         fprintf(out, "%02x", res[i]);
 467                 fputs(RESP_EOL, out);
 468                 rc = 1;
 469                 }
 470         CMAC_CTX_free(cmac_ctx);
 471         return rc;
 472         }
 473
 474 static int print_cmac_ver(const EVP_CIPHER *cipher, FILE *out,
 475                 unsigned char *Key, int Klen,
 476                 unsigned char *Msg, int Mlen,
 477                 unsigned char *Mac, int Maclen,
 478                 int Tlen)
 479         {
 480         int rc = 1;
 481         size_t reslen;
 482         unsigned char res[128];
 483         CMAC_CTX *cmac_ctx = CMAC_CTX_new();
 484
 485         CMAC_Init(cmac_ctx, Key, Klen, cipher, 0);
 486         CMAC_Update(cmac_ctx, Msg, Mlen);
 487         if (!CMAC_Final(cmac_ctx, res, &reslen))
 488                 {
 489                 fputs("Error calculating CMAC\n", stderr);
 490                 rc = 0;
 491                 }
 492         else if (Tlen > (int)reslen)
 493                 {
 494                 fputs("Parameter error, Tlen > CMAC length\n", stderr);
 495                 rc = 0;
 496                 }
 497         else if (Tlen != Maclen)
 498                 {
 499                 fputs("Parameter error, Tlen != resulting Mac length\n", stderr);
 500                 rc = 0;
 501                 }
 502         else
 503                 {
 504                 if (!memcmp(Mac, res, Maclen))
 505                         fputs("Result = P" RESP_EOL, out);
 506                 else
 507                         fputs("Result = F" RESP_EOL, out);
 508                 }
 509         CMAC_CTX_free(cmac_ctx);
 510         return rc;
 511         }
 512
 513 #endif