test/evp_test.c

   1 /* evp_test.c */
   2 /*
   3  * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
   4  * project.
   5  */
   6 /* ====================================================================
   7  * Copyright (c) 2015 The OpenSSL Project.  All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  *
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  *
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in
  18  *    the documentation and/or other materials provided with the
  19  *    distribution.
  20  *
  21  * 3. All advertising materials mentioning features or use of this
  22  *    software must display the following acknowledgment:
  23  *    "This product includes software developed by the OpenSSL Project
  24  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
  25  *
  26  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  27  *    endorse or promote products derived from this software without
  28  *    prior written permission. For written permission, please contact
  29  *    licensing@OpenSSL.org.
  30  *
  31  * 5. Products derived from this software may not be called "OpenSSL"
  32  *    nor may "OpenSSL" appear in their names without prior written
  33  *    permission of the OpenSSL Project.
  34  *
  35  * 6. Redistributions of any form whatsoever must retain the following
  36  *    acknowledgment:
  37  *    "This product includes software developed by the OpenSSL Project
  38  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  39  *
  40  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  41  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  42  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  43  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  44  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  45  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  46  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  47  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  49  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  50  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  51  * OF THE POSSIBILITY OF SUCH DAMAGE.
  52  * ====================================================================
  53  */
  54
  55 #include <stdio.h>
  56 #include <string.h>
  57 #include <stdlib.h>
  58 #include <ctype.h>
  59 #include <openssl/evp.h>
  60 #include <openssl/pem.h>
  61 #include <openssl/err.h>
  62 #include <openssl/x509v3.h>
  63
  64 /* Remove spaces from beginning and end of a string */
  65
  66 static void remove_space(char **pval)
  67 {
  68     unsigned char *p = (unsigned char *)*pval;
  69
  70     while (isspace(*p))
  71         p++;
  72
  73     *pval = (char *)p;
  74
  75     p = p + strlen(*pval) - 1;
  76
  77     /* Remove trailing space */
  78     while (isspace(*p))
  79         *p-- = 0;
  80 }
  81
  82 /*
  83  * Given a line of the form:
  84  *      name = value # comment
  85  * extract name and value. NB: modifies passed buffer.
  86  */
  87
  88 static int parse_line(char **pkw, char **pval, char *linebuf)
  89 {
  90     char *p;
  91
  92     p = linebuf + strlen(linebuf) - 1;
  93
  94     if (*p != '\n') {
  95         fprintf(stderr, "FATAL: missing EOL\n");
  96         exit(1);
  97     }
  98
  99     /* Look for # */
 100
 101     p = strchr(linebuf, '#');
 102
 103     if (p)
 104         *p = '\0';
 105
 106     /* Look for = sign */
 107     p = strchr(linebuf, '=');
 108
 109     /* If no '=' exit */
 110     if (!p)
 111         return 0;
 112
 113     *p++ = '\0';
 114
 115     *pkw = linebuf;
 116     *pval = p;
 117
 118     /* Remove spaces from keyword and value */
 119     remove_space(pkw);
 120     remove_space(pval);
 121
 122     return 1;
 123 }
 124
 125 /* For a hex string "value" convert to a binary allocated buffer */
 126 static int test_bin(const char *value, unsigned char **buf, size_t *buflen)
 127 {
 128     long len;
 129     if (!*value) {
 130         /* Don't return NULL for zero length buffer */
 131         *buf = OPENSSL_malloc(1);
 132         if (!*buf)
 133             return 0;
 134         **buf = 0;
 135         *buflen = 0;
 136         return 1;
 137     }
 138     /* Check for string literal */
 139     if (value[0] == '"') {
 140         size_t vlen;
 141         value++;
 142         vlen = strlen(value);
 143         if (value[vlen - 1] != '"')
 144             return 0;
 145         vlen--;
 146         *buf = BUF_memdup(value, vlen);
 147         *buflen = vlen;
 148         return 1;
 149     }
 150     *buf = string_to_hex(value, &len);
 151     if (!*buf) {
 152         fprintf(stderr, "Value=%s\n", value);
 153         ERR_print_errors_fp(stderr);
 154         return -1;
 155     }
 156     /* Size of input buffer means we'll never overflow */
 157     *buflen = len;
 158     return 1;
 159 }
 160
 161 /* Structure holding test information */
 162 struct evp_test {
 163     /* file being read */
 164     FILE *in;
 165     /* List of public and private keys */
 166     struct key_list *private;
 167     struct key_list *public;
 168     /* method for this test */
 169     const struct evp_test_method *meth;
 170     /* current line being processed */
 171     unsigned int line;
 172     /* start line of current test */
 173     unsigned int start_line;
 174     /* Error string for test */
 175     const char *err;
 176     /* Expected error value of test */
 177     char *expected_err;
 178     /* Number of tests */
 179     int ntests;
 180     /* Error count */
 181     int errors;
 182     /* Number of tests skipped */
 183     int nskip;
 184     /* If output mismatch expected and got value */
 185     unsigned char *out_got;
 186     unsigned char *out_expected;
 187     size_t out_len;
 188     /* test specific data */
 189     void *data;
 190     /* Current test should be skipped */
 191     int skip;
 192 };
 193
 194 struct key_list {
 195     char *name;
 196     EVP_PKEY *key;
 197     struct key_list *next;
 198 };
 199
 200 /* Test method structure */
 201 struct evp_test_method {
 202     /* Name of test as it appears in file */
 203     const char *name;
 204     /* Initialise test for "alg" */
 205     int (*init) (struct evp_test * t, const char *alg);
 206     /* Clean up method */
 207     void (*cleanup) (struct evp_test * t);
 208     /* Test specific name value pair processing */
 209     int (*parse) (struct evp_test * t, const char *name, const char *value);
 210     /* Run the test itself */
 211     int (*run_test) (struct evp_test * t);
 212 };
 213
 214 static const struct evp_test_method digest_test_method, cipher_test_method;
 215 static const struct evp_test_method mac_test_method;
 216 static const struct evp_test_method psign_test_method, pverify_test_method;
 217 static const struct evp_test_method pdecrypt_test_method;
 218 static const struct evp_test_method pverify_recover_test_method;
 219
 220 static const struct evp_test_method *evp_test_list[] = {
 221     &digest_test_method,
 222     &cipher_test_method,
 223     &mac_test_method,
 224     &psign_test_method,
 225     &pverify_test_method,
 226     &pdecrypt_test_method,
 227     &pverify_recover_test_method,
 228     NULL
 229 };
 230
 231 static const struct evp_test_method *evp_find_test(const char *name)
 232 {
 233     const struct evp_test_method **tt;
 234     for (tt = evp_test_list; *tt; tt++) {
 235         if (!strcmp(name, (*tt)->name))
 236             return *tt;
 237     }
 238     return NULL;
 239 }
 240
 241 static void hex_print(const char *name, const unsigned char *buf, size_t len)
 242 {
 243     size_t i;
 244     fprintf(stderr, "%s ", name);
 245     for (i = 0; i < len; i++)
 246         fprintf(stderr, "%02X", buf[i]);
 247     fputs("\n", stderr);
 248 }
 249
 250 static void free_expected(struct evp_test *t)
 251 {
 252     OPENSSL_free(t->expected_err);
 253     t->expected_err = NULL;
 254     OPENSSL_free(t->out_expected);
 255     OPENSSL_free(t->out_got);
 256     t->out_expected = NULL;
 257     t->out_got = NULL;
 258 }
 259
 260 static void print_expected(struct evp_test *t)
 261 {
 262     if (t->out_expected == NULL)
 263         return;
 264     hex_print("Expected:", t->out_expected, t->out_len);
 265     hex_print("Got:     ", t->out_got, t->out_len);
 266     free_expected(t);
 267 }
 268
 269 static int check_test_error(struct evp_test *t)
 270 {
 271     if (!t->err && !t->expected_err)
 272         return 1;
 273     if (t->err && !t->expected_err) {
 274         fprintf(stderr, "Test line %d: unexpected error %s\n",
 275                 t->start_line, t->err);
 276         print_expected(t);
 277         return 0;
 278     }
 279     if (!t->err && t->expected_err) {
 280         fprintf(stderr, "Test line %d: succeeded expecting %s\n",
 281                 t->start_line, t->expected_err);
 282         return 0;
 283     }
 284     if (!strcmp(t->err, t->expected_err))
 285         return 1;
 286
 287     fprintf(stderr, "Test line %d: expecting %s got %s\n",
 288             t->start_line, t->expected_err, t->err);
 289     return 0;
 290 }
 291
 292 /* Setup a new test, run any existing test */
 293
 294 static int setup_test(struct evp_test *t, const struct evp_test_method *tmeth)
 295 {
 296     /* If we already have a test set up run it */
 297     if (t->meth) {
 298         t->ntests++;
 299         if (t->skip) {
 300             t->meth = tmeth;
 301             t->nskip++;
 302             return 1;
 303         }
 304         t->err = NULL;
 305         if (t->meth->run_test(t) != 1) {
 306             fprintf(stderr, "%s test error line %d\n",
 307                     t->meth->name, t->start_line);
 308             return 0;
 309         }
 310         if (!check_test_error(t)) {
 311             if (t->err)
 312                 ERR_print_errors_fp(stderr);
 313             t->errors++;
 314         }
 315         ERR_clear_error();
 316         t->meth->cleanup(t);
 317         OPENSSL_free(t->data);
 318         t->data = NULL;
 319         OPENSSL_free(t->expected_err);
 320         t->expected_err = NULL;
 321         free_expected(t);
 322     }
 323     t->meth = tmeth;
 324     return 1;
 325 }
 326
 327 static int find_key(EVP_PKEY **ppk, const char *name, struct key_list *lst)
 328 {
 329     for (; lst; lst = lst->next) {
 330         if (!strcmp(lst->name, name)) {
 331             if (ppk)
 332                 *ppk = lst->key;
 333             return 1;
 334         }
 335     }
 336     return 0;
 337 }
 338
 339 static void free_key_list(struct key_list *lst)
 340 {
 341     while (lst != NULL) {
 342         struct key_list *ltmp;
 343         EVP_PKEY_free(lst->key);
 344         OPENSSL_free(lst->name);
 345         ltmp = lst->next;
 346         OPENSSL_free(lst);
 347         lst = ltmp;
 348     }
 349 }
 350
 351 static int check_unsupported()
 352 {
 353     long err = ERR_peek_error();
 354     if (ERR_GET_LIB(err) == ERR_LIB_EVP
 355         && ERR_GET_REASON(err) == EVP_R_UNSUPPORTED_ALGORITHM) {
 356         ERR_clear_error();
 357         return 1;
 358     }
 359     return 0;
 360 }
 361
 362 static int process_test(struct evp_test *t, char *buf, int verbose)
 363 {
 364     char *keyword = NULL, *value = NULL;
 365     int rv = 0, add_key = 0;
 366     long save_pos = 0;
 367     struct key_list **lst = NULL, *key = NULL;
 368     EVP_PKEY *pk = NULL;
 369     const struct evp_test_method *tmeth = NULL;
 370     if (verbose)
 371         fputs(buf, stdout);
 372     if (!parse_line(&keyword, &value, buf))
 373         return 1;
 374     if (!strcmp(keyword, "PrivateKey")) {
 375         save_pos = ftell(t->in);
 376         pk = PEM_read_PrivateKey(t->in, NULL, 0, NULL);
 377         if (pk == NULL && !check_unsupported()) {
 378             fprintf(stderr, "Error reading private key %s\n", value);
 379             ERR_print_errors_fp(stderr);
 380             return 0;
 381         }
 382         lst = &t->private;
 383         add_key = 1;
 384     }
 385     if (!strcmp(keyword, "PublicKey")) {
 386         save_pos = ftell(t->in);
 387         pk = PEM_read_PUBKEY(t->in, NULL, 0, NULL);
 388         if (pk == NULL && !check_unsupported()) {
 389             fprintf(stderr, "Error reading public key %s\n", value);
 390             ERR_print_errors_fp(stderr);
 391             return 0;
 392         }
 393         lst = &t->public;
 394         add_key = 1;
 395     }
 396     /* If we have a key add to list */
 397     if (add_key) {
 398         char tmpbuf[80];
 399         if (find_key(NULL, value, *lst)) {
 400             fprintf(stderr, "Duplicate key %s\n", value);
 401             return 0;
 402         }
 403         key = OPENSSL_malloc(sizeof(*key));
 404         if (!key)
 405             return 0;
 406         key->name = BUF_strdup(value);
 407         key->key = pk;
 408         key->next = *lst;
 409         *lst = key;
 410         /* Rewind input, read to end and update line numbers */
 411         fseek(t->in, save_pos, SEEK_SET);
 412         while (fgets(tmpbuf, sizeof(tmpbuf), t->in)) {
 413             t->line++;
 414             if (!strncmp(tmpbuf, "-----END", 8))
 415                 return 1;
 416         }
 417         fprintf(stderr, "Can't find key end\n");
 418         return 0;
 419     }
 420
 421     /* See if keyword corresponds to a test start */
 422     tmeth = evp_find_test(keyword);
 423     if (tmeth) {
 424         if (!setup_test(t, tmeth))
 425             return 0;
 426         t->start_line = t->line;
 427         t->skip = 0;
 428         if (!tmeth->init(t, value)) {
 429             fprintf(stderr, "Unknown %s: %s\n", keyword, value);
 430             return 0;
 431         }
 432         return 1;
 433     } else if (t->skip) {
 434         return 1;
 435     } else if (!strcmp(keyword, "Result")) {
 436         if (t->expected_err) {
 437             fprintf(stderr, "Line %d: multiple result lines\n", t->line);
 438             return 0;
 439         }
 440         t->expected_err = BUF_strdup(value);
 441         if (!t->expected_err)
 442             return 0;
 443     } else {
 444         /* Must be test specific line: try to parse it */
 445         if (t->meth)
 446             rv = t->meth->parse(t, keyword, value);
 447
 448         if (rv == 0)
 449             fprintf(stderr, "line %d: unexpected keyword %s\n",
 450                     t->line, keyword);
 451
 452         if (rv < 0)
 453             fprintf(stderr, "line %d: error processing keyword %s\n",
 454                     t->line, keyword);
 455         if (rv <= 0)
 456             return 0;
 457     }
 458     return 1;
 459 }
 460
 461 static int check_output(struct evp_test *t, const unsigned char *expected,
 462                         const unsigned char *got, size_t len)
 463 {
 464     if (!memcmp(expected, got, len))
 465         return 0;
 466     t->out_expected = BUF_memdup(expected, len);
 467     t->out_got = BUF_memdup(got, len);
 468     t->out_len = len;
 469     if (t->out_expected == NULL || t->out_got == NULL) {
 470         fprintf(stderr, "Memory allocation error!\n");
 471         exit(1);
 472     }
 473     return 1;
 474 }
 475
 476 int main(int argc, char **argv)
 477 {
 478     FILE *in = NULL;
 479     char buf[10240];
 480     struct evp_test t;
 481
 482     if (argc != 2) {
 483         fprintf(stderr, "usage: evp_test testfile.txt\n");
 484         return 1;
 485     }
 486
 487     CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
 488
 489     ERR_load_crypto_strings();
 490     OpenSSL_add_all_algorithms();
 491
 492     memset(&t, 0, sizeof(t));
 493     t.meth = NULL;
 494     t.public = NULL;
 495     t.private = NULL;
 496     t.err = NULL;
 497     t.line = 0;
 498     t.start_line = -1;
 499     t.errors = 0;
 500     t.ntests = 0;
 501     t.out_expected = NULL;
 502     t.out_got = NULL;
 503     t.out_len = 0;
 504     in = fopen(argv[1], "r");
 505     t.in = in;
 506     while (fgets(buf, sizeof(buf), in)) {
 507         t.line++;
 508         if (!process_test(&t, buf, 0))
 509             exit(1);
 510     }
 511     /* Run any final test we have */
 512     if (!setup_test(&t, NULL))
 513         exit(1);
 514     fprintf(stderr, "%d tests completed with %d errors, %d skipped\n",
 515             t.ntests, t.errors, t.nskip);
 516     free_key_list(t.public);
 517     free_key_list(t.private);
 518     fclose(in);
 519     EVP_cleanup();
 520     CRYPTO_cleanup_all_ex_data();
 521     ERR_remove_thread_state(NULL);
 522     ERR_free_strings();
 523     CRYPTO_mem_leaks_fp(stderr);
 524     if (t.errors)
 525         return 1;
 526     return 0;
 527 }
 528
 529 static void test_free(void *d)
 530 {
 531     OPENSSL_free(d);
 532 }
 533
 534 /* Message digest tests */
 535
 536 struct digest_data {
 537     /* Digest this test is for */
 538     const EVP_MD *digest;
 539     /* Input to digest */
 540     unsigned char *input;
 541     size_t input_len;
 542     /* Repeat count for input */
 543     size_t nrpt;
 544     /* Expected output */
 545     unsigned char *output;
 546     size_t output_len;
 547 };
 548
 549 static int digest_test_init(struct evp_test *t, const char *alg)
 550 {
 551     const EVP_MD *digest;
 552     struct digest_data *mdat = t->data;
 553     digest = EVP_get_digestbyname(alg);
 554     if (!digest) {
 555         /* If alg has an OID assume disabled algorithm */
 556         if (OBJ_sn2nid(alg) != NID_undef || OBJ_ln2nid(alg) != NID_undef) {
 557             t->skip = 1;
 558             return 1;
 559         }
 560         return 0;
 561     }
 562     mdat = OPENSSL_malloc(sizeof(*mdat));
 563     mdat->digest = digest;
 564     mdat->input = NULL;
 565     mdat->output = NULL;
 566     mdat->nrpt = 1;
 567     t->data = mdat;
 568     return 1;
 569 }
 570
 571 static void digest_test_cleanup(struct evp_test *t)
 572 {
 573     struct digest_data *mdat = t->data;
 574     test_free(mdat->input);
 575     test_free(mdat->output);
 576 }
 577
 578 static int digest_test_parse(struct evp_test *t,
 579                              const char *keyword, const char *value)
 580 {
 581     struct digest_data *mdata = t->data;
 582     if (!strcmp(keyword, "Input"))
 583         return test_bin(value, &mdata->input, &mdata->input_len);
 584     if (!strcmp(keyword, "Output"))
 585         return test_bin(value, &mdata->output, &mdata->output_len);
 586     if (!strcmp(keyword, "Count")) {
 587         long nrpt = atoi(value);
 588         if (nrpt <= 0)
 589             return 0;
 590         mdata->nrpt = (size_t)nrpt;
 591         return 1;
 592     }
 593     return 0;
 594 }
 595
 596 static int digest_test_run(struct evp_test *t)
 597 {
 598     struct digest_data *mdata = t->data;
 599     size_t i;
 600     const char *err = "INTERNAL_ERROR";
 601     EVP_MD_CTX *mctx;
 602     unsigned char md[EVP_MAX_MD_SIZE];
 603     unsigned int md_len;
 604     mctx = EVP_MD_CTX_create();
 605     if (!mctx)
 606         goto err;
 607     err = "DIGESTINIT_ERROR";
 608     if (!EVP_DigestInit_ex(mctx, mdata->digest, NULL))
 609         goto err;
 610     err = "DIGESTUPDATE_ERROR";
 611     for (i = 0; i < mdata->nrpt; i++) {
 612         if (!EVP_DigestUpdate(mctx, mdata->input, mdata->input_len))
 613             goto err;
 614     }
 615     err = "DIGESTFINAL_ERROR";
 616     if (!EVP_DigestFinal(mctx, md, &md_len))
 617         goto err;
 618     err = "DIGEST_LENGTH_MISMATCH";
 619     if (md_len != mdata->output_len)
 620         goto err;
 621     err = "DIGEST_MISMATCH";
 622     if (check_output(t, mdata->output, md, md_len))
 623         goto err;
 624     err = NULL;
 625  err:
 626     if (mctx)
 627         EVP_MD_CTX_destroy(mctx);
 628     t->err = err;
 629     return 1;
 630 }
 631
 632 static const struct evp_test_method digest_test_method = {
 633     "Digest",
 634     digest_test_init,
 635     digest_test_cleanup,
 636     digest_test_parse,
 637     digest_test_run
 638 };
 639
 640 /* Cipher tests */
 641 struct cipher_data {
 642     const EVP_CIPHER *cipher;
 643     int enc;
 644     /* EVP_CIPH_GCM_MODE, EVP_CIPH_CCM_MODE or EVP_CIPH_OCB_MODE if AEAD */
 645     int aead;
 646     unsigned char *key;
 647     size_t key_len;
 648     unsigned char *iv;
 649     size_t iv_len;
 650     unsigned char *plaintext;
 651     size_t plaintext_len;
 652     unsigned char *ciphertext;
 653     size_t ciphertext_len;
 654     /* GCM, CCM only */
 655     unsigned char *aad;
 656     size_t aad_len;
 657     unsigned char *tag;
 658     size_t tag_len;
 659 };
 660
 661 static int cipher_test_init(struct evp_test *t, const char *alg)
 662 {
 663     const EVP_CIPHER *cipher;
 664     struct cipher_data *cdat = t->data;
 665     cipher = EVP_get_cipherbyname(alg);
 666     if (!cipher) {
 667         /* If alg has an OID assume disabled algorithm */
 668         if (OBJ_sn2nid(alg) != NID_undef || OBJ_ln2nid(alg) != NID_undef) {
 669             t->skip = 1;
 670             return 1;
 671         }
 672         return 0;
 673     }
 674     cdat = OPENSSL_malloc(sizeof(*cdat));
 675     cdat->cipher = cipher;
 676     cdat->enc = -1;
 677     cdat->key = NULL;
 678     cdat->iv = NULL;
 679     cdat->ciphertext = NULL;
 680     cdat->plaintext = NULL;
 681     cdat->aad = NULL;
 682     cdat->tag = NULL;
 683     t->data = cdat;
 684     if (EVP_CIPHER_mode(cipher) == EVP_CIPH_GCM_MODE
 685         || EVP_CIPHER_mode(cipher) == EVP_CIPH_OCB_MODE
 686         || EVP_CIPHER_mode(cipher) == EVP_CIPH_CCM_MODE)
 687         cdat->aead = EVP_CIPHER_mode(cipher);
 688     else
 689         cdat->aead = 0;
 690
 691     return 1;
 692 }
 693
 694 static void cipher_test_cleanup(struct evp_test *t)
 695 {
 696     struct cipher_data *cdat = t->data;
 697     test_free(cdat->key);
 698     test_free(cdat->iv);
 699     test_free(cdat->ciphertext);
 700     test_free(cdat->plaintext);
 701     test_free(cdat->aad);
 702     test_free(cdat->tag);
 703 }
 704
 705 static int cipher_test_parse(struct evp_test *t, const char *keyword,
 706                              const char *value)
 707 {
 708     struct cipher_data *cdat = t->data;
 709     if (!strcmp(keyword, "Key"))
 710         return test_bin(value, &cdat->key, &cdat->key_len);
 711     if (!strcmp(keyword, "IV"))
 712         return test_bin(value, &cdat->iv, &cdat->iv_len);
 713     if (!strcmp(keyword, "Plaintext"))
 714         return test_bin(value, &cdat->plaintext, &cdat->plaintext_len);
 715     if (!strcmp(keyword, "Ciphertext"))
 716         return test_bin(value, &cdat->ciphertext, &cdat->ciphertext_len);
 717     if (cdat->aead) {
 718         if (!strcmp(keyword, "AAD"))
 719             return test_bin(value, &cdat->aad, &cdat->aad_len);
 720         if (!strcmp(keyword, "Tag"))
 721             return test_bin(value, &cdat->tag, &cdat->tag_len);
 722     }
 723
 724     if (!strcmp(keyword, "Operation")) {
 725         if (!strcmp(value, "ENCRYPT"))
 726             cdat->enc = 1;
 727         else if (!strcmp(value, "DECRYPT"))
 728             cdat->enc = 0;
 729         else
 730             return 0;
 731         return 1;
 732     }
 733     return 0;
 734 }
 735
 736 static int cipher_test_enc(struct evp_test *t, int enc)
 737 {
 738     struct cipher_data *cdat = t->data;
 739     unsigned char *in, *out, *tmp = NULL;
 740     size_t in_len, out_len;
 741     int tmplen, tmpflen;
 742     EVP_CIPHER_CTX *ctx = NULL;
 743     const char *err;
 744     err = "INTERNAL_ERROR";
 745     ctx = EVP_CIPHER_CTX_new();
 746     if (!ctx)
 747         goto err;
 748     EVP_CIPHER_CTX_set_flags(ctx, EVP_CIPHER_CTX_FLAG_WRAP_ALLOW);
 749     if (enc) {
 750         in = cdat->plaintext;
 751         in_len = cdat->plaintext_len;
 752         out = cdat->ciphertext;
 753         out_len = cdat->ciphertext_len;
 754     } else {
 755         in = cdat->ciphertext;
 756         in_len = cdat->ciphertext_len;
 757         out = cdat->plaintext;
 758         out_len = cdat->plaintext_len;
 759     }
 760     tmp = OPENSSL_malloc(in_len + 2 * EVP_MAX_BLOCK_LENGTH);
 761     if (!tmp)
 762         goto err;
 763     err = "CIPHERINIT_ERROR";
 764     if (!EVP_CipherInit_ex(ctx, cdat->cipher, NULL, NULL, NULL, enc))
 765         goto err;
 766     err = "INVALID_IV_LENGTH";
 767     if (cdat->iv) {
 768         if (cdat->aead) {
 769             if (!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_IVLEN,
 770                                      cdat->iv_len, 0))
 771                 goto err;
 772         } else if (cdat->iv_len != (size_t)EVP_CIPHER_CTX_iv_length(ctx))
 773             goto err;
 774     }
 775     if (cdat->aead) {
 776         unsigned char *tag;
 777         /*
 778          * If encrypting or OCB just set tag length initially, otherwise
 779          * set tag length and value.
 780          */
 781         if (enc || cdat->aead == EVP_CIPH_OCB_MODE) {
 782             err = "TAG_LENGTH_SET_ERROR";
 783             tag = NULL;
 784         } else {
 785             err = "TAG_SET_ERROR";
 786             tag = cdat->tag;
 787         }
 788         if (tag || cdat->aead != EVP_CIPH_GCM_MODE) {
 789             if (!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_TAG,
 790                                      cdat->tag_len, tag))
 791                 goto err;
 792         }
 793     }
 794
 795     err = "INVALID_KEY_LENGTH";
 796     if (!EVP_CIPHER_CTX_set_key_length(ctx, cdat->key_len))
 797         goto err;
 798     err = "KEY_SET_ERROR";
 799     if (!EVP_CipherInit_ex(ctx, NULL, NULL, cdat->key, cdat->iv, -1))
 800         goto err;
 801
 802     if (!enc && cdat->aead == EVP_CIPH_OCB_MODE) {
 803         if (!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_TAG,
 804                                  cdat->tag_len, cdat->tag)) {
 805             err = "TAG_SET_ERROR";
 806             goto err;
 807         }
 808     }
 809
 810     if (cdat->aead == EVP_CIPH_CCM_MODE) {
 811         if (!EVP_CipherUpdate(ctx, NULL, &tmplen, NULL, out_len)) {
 812             err = "CCM_PLAINTEXT_LENGTH_SET_ERROR";
 813             goto err;
 814         }
 815     }
 816     if (cdat->aad) {
 817         if (!EVP_CipherUpdate(ctx, NULL, &tmplen, cdat->aad, cdat->aad_len)) {
 818             err = "AAD_SET_ERROR";
 819             goto err;
 820         }
 821     }
 822     EVP_CIPHER_CTX_set_padding(ctx, 0);
 823     err = "CIPHERUPDATE_ERROR";
 824     if (!EVP_CipherUpdate(ctx, tmp, &tmplen, in, in_len))
 825         goto err;
 826     if (cdat->aead == EVP_CIPH_CCM_MODE)
 827         tmpflen = 0;
 828     else {
 829         err = "CIPHERFINAL_ERROR";
 830         if (!EVP_CipherFinal_ex(ctx, tmp + tmplen, &tmpflen))
 831             goto err;
 832     }
 833     err = "LENGTH_MISMATCH";
 834     if (out_len != (size_t)(tmplen + tmpflen))
 835         goto err;
 836     err = "VALUE_MISMATCH";
 837     if (check_output(t, out, tmp, out_len))
 838         goto err;
 839     if (enc && cdat->aead) {
 840         unsigned char rtag[16];
 841         if (cdat->tag_len > sizeof(rtag)) {
 842             err = "TAG_LENGTH_INTERNAL_ERROR";
 843             goto err;
 844         }
 845         if (!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_GET_TAG,
 846                                  cdat->tag_len, rtag)) {
 847             err = "TAG_RETRIEVE_ERROR";
 848             goto err;
 849         }
 850         if (check_output(t, cdat->tag, rtag, cdat->tag_len)) {
 851             err = "TAG_VALUE_MISMATCH";
 852             goto err;
 853         }
 854     }
 855     err = NULL;
 856  err:
 857     OPENSSL_free(tmp);
 858     EVP_CIPHER_CTX_free(ctx);
 859     t->err = err;
 860     return err ? 0 : 1;
 861 }
 862
 863 static int cipher_test_run(struct evp_test *t)
 864 {
 865     struct cipher_data *cdat = t->data;
 866     int rv;
 867     if (!cdat->key) {
 868         t->err = "NO_KEY";
 869         return 0;
 870     }
 871     if (!cdat->iv && EVP_CIPHER_iv_length(cdat->cipher)) {
 872         /* IV is optional and usually omitted in wrap mode */
 873         if (EVP_CIPHER_mode(cdat->cipher) != EVP_CIPH_WRAP_MODE) {
 874             t->err = "NO_IV";
 875             return 0;
 876         }
 877     }
 878     if (cdat->aead && !cdat->tag) {
 879         t->err = "NO_TAG";
 880         return 0;
 881     }
 882     if (cdat->enc) {
 883         rv = cipher_test_enc(t, 1);
 884         /* Not fatal errors: return */
 885         if (rv != 1) {
 886             if (rv < 0)
 887                 return 0;
 888             return 1;
 889         }
 890     }
 891     if (cdat->enc != 1) {
 892         rv = cipher_test_enc(t, 0);
 893         /* Not fatal errors: return */
 894         if (rv != 1) {
 895             if (rv < 0)
 896                 return 0;
 897             return 1;
 898         }
 899     }
 900     return 1;
 901 }
 902
 903 static const struct evp_test_method cipher_test_method = {
 904     "Cipher",
 905     cipher_test_init,
 906     cipher_test_cleanup,
 907     cipher_test_parse,
 908     cipher_test_run
 909 };
 910
 911 struct mac_data {
 912     /* MAC type */
 913     int type;
 914     /* Algorithm string for this MAC */
 915     char *alg;
 916     /* MAC key */
 917     unsigned char *key;
 918     size_t key_len;
 919     /* Input to MAC */
 920     unsigned char *input;
 921     size_t input_len;
 922     /* Expected output */
 923     unsigned char *output;
 924     size_t output_len;
 925 };
 926
 927 static int mac_test_init(struct evp_test *t, const char *alg)
 928 {
 929     int type;
 930     struct mac_data *mdat;
 931     if (!strcmp(alg, "HMAC"))
 932         type = EVP_PKEY_HMAC;
 933     else if (!strcmp(alg, "CMAC"))
 934         type = EVP_PKEY_CMAC;
 935     else
 936         return 0;
 937
 938     mdat = OPENSSL_malloc(sizeof(*mdat));
 939     mdat->type = type;
 940     mdat->alg = NULL;
 941     mdat->key = NULL;
 942     mdat->input = NULL;
 943     mdat->output = NULL;
 944     t->data = mdat;
 945     return 1;
 946 }
 947
 948 static void mac_test_cleanup(struct evp_test *t)
 949 {
 950     struct mac_data *mdat = t->data;
 951     test_free(mdat->alg);
 952     test_free(mdat->key);
 953     test_free(mdat->input);
 954     test_free(mdat->output);
 955 }
 956
 957 static int mac_test_parse(struct evp_test *t,
 958                           const char *keyword, const char *value)
 959 {
 960     struct mac_data *mdata = t->data;
 961     if (!strcmp(keyword, "Key"))
 962         return test_bin(value, &mdata->key, &mdata->key_len);
 963     if (!strcmp(keyword, "Algorithm")) {
 964         mdata->alg = BUF_strdup(value);
 965         if (!mdata->alg)
 966             return 0;
 967         return 1;
 968     }
 969     if (!strcmp(keyword, "Input"))
 970         return test_bin(value, &mdata->input, &mdata->input_len);
 971     if (!strcmp(keyword, "Output"))
 972         return test_bin(value, &mdata->output, &mdata->output_len);
 973     return 0;
 974 }
 975
 976 static int mac_test_run(struct evp_test *t)
 977 {
 978     struct mac_data *mdata = t->data;
 979     const char *err = "INTERNAL_ERROR";
 980     EVP_MD_CTX *mctx = NULL;
 981     EVP_PKEY_CTX *pctx = NULL, *genctx = NULL;
 982     EVP_PKEY *key = NULL;
 983     const EVP_MD *md = NULL;
 984     unsigned char *mac = NULL;
 985     size_t mac_len;
 986
 987     err = "MAC_PKEY_CTX_ERROR";
 988     genctx = EVP_PKEY_CTX_new_id(mdata->type, NULL);
 989     if (!genctx)
 990         goto err;
 991
 992     err = "MAC_KEYGEN_INIT_ERROR";
 993     if (EVP_PKEY_keygen_init(genctx) <= 0)
 994         goto err;
 995     if (mdata->type == EVP_PKEY_CMAC) {
 996         err = "MAC_ALGORITHM_SET_ERROR";
 997         if (EVP_PKEY_CTX_ctrl_str(genctx, "cipher", mdata->alg) <= 0)
 998             goto err;
 999     }
1000
1001     err = "MAC_KEY_SET_ERROR";
1002     if (EVP_PKEY_CTX_set_mac_key(genctx, mdata->key, mdata->key_len) <= 0)
1003         goto err;
1004
1005     err = "MAC_KEY_GENERATE_ERROR";
1006     if (EVP_PKEY_keygen(genctx, &key) <= 0)
1007         goto err;
1008     if (mdata->type == EVP_PKEY_HMAC) {
1009         err = "MAC_ALGORITHM_SET_ERROR";
1010         md = EVP_get_digestbyname(mdata->alg);
1011         if (!md)
1012             goto err;
1013     }
1014     mctx = EVP_MD_CTX_create();
1015     if (!mctx)
1016         goto err;
1017     err = "DIGESTSIGNINIT_ERROR";
1018     if (!EVP_DigestSignInit(mctx, &pctx, md, NULL, key))
1019         goto err;
1020
1021     err = "DIGESTSIGNUPDATE_ERROR";
1022     if (!EVP_DigestSignUpdate(mctx, mdata->input, mdata->input_len))
1023         goto err;
1024     err = "DIGESTSIGNFINAL_LENGTH_ERROR";
1025     if (!EVP_DigestSignFinal(mctx, NULL, &mac_len))
1026         goto err;
1027     mac = OPENSSL_malloc(mac_len);
1028     if (!mac) {
1029         fprintf(stderr, "Error allocating mac buffer!\n");
1030         exit(1);
1031     }
1032     if (!EVP_DigestSignFinal(mctx, mac, &mac_len))
1033         goto err;
1034     err = "MAC_LENGTH_MISMATCH";
1035     if (mac_len != mdata->output_len)
1036         goto err;
1037     err = "MAC_MISMATCH";
1038     if (check_output(t, mdata->output, mac, mac_len))
1039         goto err;
1040     err = NULL;
1041  err:
1042     if (mctx)
1043         EVP_MD_CTX_destroy(mctx);
1044     OPENSSL_free(mac);
1045     EVP_PKEY_CTX_free(genctx);
1046     EVP_PKEY_free(key);
1047     t->err = err;
1048     return 1;
1049 }
1050
1051 static const struct evp_test_method mac_test_method = {
1052     "MAC",
1053     mac_test_init,
1054     mac_test_cleanup,
1055     mac_test_parse,
1056     mac_test_run
1057 };
1058
1059 /*
1060  * Public key operations. These are all very similar and can share
1061  * a lot of common code.
1062  */
1063
1064 struct pkey_data {
1065     /* Context for this operation */
1066     EVP_PKEY_CTX *ctx;
1067     /* Key operation to perform */
1068     int (*keyop) (EVP_PKEY_CTX *ctx,
1069                   unsigned char *sig, size_t *siglen,
1070                   const unsigned char *tbs, size_t tbslen);
1071     /* Input to MAC */
1072     unsigned char *input;
1073     size_t input_len;
1074     /* Expected output */
1075     unsigned char *output;
1076     size_t output_len;
1077 };
1078
1079 /*
1080  * Perform public key operation setup: lookup key, allocated ctx and call
1081  * the appropriate initialisation function
1082  */
1083 static int pkey_test_init(struct evp_test *t, const char *name,
1084                           int use_public,
1085                           int (*keyopinit) (EVP_PKEY_CTX *ctx),
1086                           int (*keyop) (EVP_PKEY_CTX *ctx,
1087                                         unsigned char *sig, size_t *siglen,
1088                                         const unsigned char *tbs,
1089                                         size_t tbslen)
1090     )
1091 {
1092     struct pkey_data *kdata;
1093     EVP_PKEY *pkey = NULL;
1094     int rv = 0;
1095     if (use_public)
1096         rv = find_key(&pkey, name, t->public);
1097     if (!rv)
1098         rv = find_key(&pkey, name, t->private);
1099     if (!rv)
1100         return 0;
1101     if (!pkey) {
1102         t->skip = 1;
1103         return 1;
1104     }
1105
1106     kdata = OPENSSL_malloc(sizeof(*kdata));
1107     if (!kdata) {
1108         EVP_PKEY_free(pkey);
1109         return 0;
1110     }
1111     kdata->ctx = NULL;
1112     kdata->input = NULL;
1113     kdata->output = NULL;
1114     kdata->keyop = keyop;
1115     t->data = kdata;
1116     kdata->ctx = EVP_PKEY_CTX_new(pkey, NULL);
1117     if (!kdata->ctx)
1118         return 0;
1119     if (keyopinit(kdata->ctx) <= 0)
1120         return 0;
1121     return 1;
1122 }
1123
1124 static void pkey_test_cleanup(struct evp_test *t)
1125 {
1126     struct pkey_data *kdata = t->data;
1127
1128     OPENSSL_free(kdata->input);
1129     OPENSSL_free(kdata->output);
1130     EVP_PKEY_CTX_free(kdata->ctx);
1131 }
1132
1133 static int pkey_test_parse(struct evp_test *t,
1134                            const char *keyword, const char *value)
1135 {
1136     struct pkey_data *kdata = t->data;
1137     if (!strcmp(keyword, "Input"))
1138         return test_bin(value, &kdata->input, &kdata->input_len);
1139     if (!strcmp(keyword, "Output"))
1140         return test_bin(value, &kdata->output, &kdata->output_len);
1141     if (!strcmp(keyword, "Ctrl")) {
1142         char *p = strchr(value, ':');
1143         if (p)
1144             *p++ = 0;
1145         if (EVP_PKEY_CTX_ctrl_str(kdata->ctx, value, p) <= 0)
1146             return 0;
1147         return 1;
1148     }
1149     return 0;
1150 }
1151
1152 static int pkey_test_run(struct evp_test *t)
1153 {
1154     struct pkey_data *kdata = t->data;
1155     unsigned char *out = NULL;
1156     size_t out_len;
1157     const char *err = "KEYOP_LENGTH_ERROR";
1158     if (kdata->keyop(kdata->ctx, NULL, &out_len, kdata->input,
1159                      kdata->input_len) <= 0)
1160         goto err;
1161     out = OPENSSL_malloc(out_len);
1162     if (!out) {
1163         fprintf(stderr, "Error allocating output buffer!\n");
1164         exit(1);
1165     }
1166     err = "KEYOP_ERROR";
1167     if (kdata->keyop
1168         (kdata->ctx, out, &out_len, kdata->input, kdata->input_len) <= 0)
1169         goto err;
1170     err = "KEYOP_LENGTH_MISMATCH";
1171     if (out_len != kdata->output_len)
1172         goto err;
1173     err = "KEYOP_MISMATCH";
1174     if (check_output(t, kdata->output, out, out_len))
1175         goto err;
1176     err = NULL;
1177  err:
1178     OPENSSL_free(out);
1179     t->err = err;
1180     return 1;
1181 }
1182
1183 static int sign_test_init(struct evp_test *t, const char *name)
1184 {
1185     return pkey_test_init(t, name, 0, EVP_PKEY_sign_init, EVP_PKEY_sign);
1186 }
1187
1188 static const struct evp_test_method psign_test_method = {
1189     "Sign",
1190     sign_test_init,
1191     pkey_test_cleanup,
1192     pkey_test_parse,
1193     pkey_test_run
1194 };
1195
1196 static int verify_recover_test_init(struct evp_test *t, const char *name)
1197 {
1198     return pkey_test_init(t, name, 1, EVP_PKEY_verify_recover_init,
1199                           EVP_PKEY_verify_recover);
1200 }
1201
1202 static const struct evp_test_method pverify_recover_test_method = {
1203     "VerifyRecover",
1204     verify_recover_test_init,
1205     pkey_test_cleanup,
1206     pkey_test_parse,
1207     pkey_test_run
1208 };
1209
1210 static int decrypt_test_init(struct evp_test *t, const char *name)
1211 {
1212     return pkey_test_init(t, name, 0, EVP_PKEY_decrypt_init,
1213                           EVP_PKEY_decrypt);
1214 }
1215
1216 static const struct evp_test_method pdecrypt_test_method = {
1217     "Decrypt",
1218     decrypt_test_init,
1219     pkey_test_cleanup,
1220     pkey_test_parse,
1221     pkey_test_run
1222 };
1223
1224 static int verify_test_init(struct evp_test *t, const char *name)
1225 {
1226     return pkey_test_init(t, name, 1, EVP_PKEY_verify_init, 0);
1227 }
1228
1229 static int verify_test_run(struct evp_test *t)
1230 {
1231     struct pkey_data *kdata = t->data;
1232     if (EVP_PKEY_verify(kdata->ctx, kdata->output, kdata->output_len,
1233                         kdata->input, kdata->input_len) <= 0)
1234         t->err = "VERIFY_ERROR";
1235     return 1;
1236 }
1237
1238 static const struct evp_test_method pverify_test_method = {
1239     "Verify",
1240     verify_test_init,
1241     pkey_test_cleanup,
1242     pkey_test_parse,
1243     verify_test_run
1244 };