test/evp_test.c

   1 /*
   2  * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
   3  * project.
   4  */
   5 /* ====================================================================
   6  * Copyright (c) 2015 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
  54 #include <stdio.h>
  55 #include <string.h>
  56 #include <stdlib.h>
  57 #include <ctype.h>
  58 #include <openssl/evp.h>
  59 #include <openssl/pem.h>
  60 #include <openssl/err.h>
  61 #include <openssl/x509v3.h>
  62 #include <openssl/pkcs12.h>
  63 #include <openssl/kdf.h>
  64 #include "internal/numbers.h"
  65
  66 /* Remove spaces from beginning and end of a string */
  67
  68 static void remove_space(char **pval)
  69 {
  70     unsigned char *p = (unsigned char *)*pval;
  71
  72     while (isspace(*p))
  73         p++;
  74
  75     *pval = (char *)p;
  76
  77     p = p + strlen(*pval) - 1;
  78
  79     /* Remove trailing space */
  80     while (isspace(*p))
  81         *p-- = 0;
  82 }
  83
  84 /*
  85  * Given a line of the form:
  86  *      name = value # comment
  87  * extract name and value. NB: modifies passed buffer.
  88  */
  89
  90 static int parse_line(char **pkw, char **pval, char *linebuf)
  91 {
  92     char *p;
  93
  94     p = linebuf + strlen(linebuf) - 1;
  95
  96     if (*p != '\n') {
  97         fprintf(stderr, "FATAL: missing EOL\n");
  98         exit(1);
  99     }
 100
 101     /* Look for # */
 102
 103     p = strchr(linebuf, '#');
 104
 105     if (p)
 106         *p = '\0';
 107
 108     /* Look for = sign */
 109     p = strchr(linebuf, '=');
 110
 111     /* If no '=' exit */
 112     if (!p)
 113         return 0;
 114
 115     *p++ = '\0';
 116
 117     *pkw = linebuf;
 118     *pval = p;
 119
 120     /* Remove spaces from keyword and value */
 121     remove_space(pkw);
 122     remove_space(pval);
 123
 124     return 1;
 125 }
 126
 127 /*
 128  * Unescape some escape sequences in string literals.
 129  * Return the result in a newly allocated buffer.
 130  * Currently only supports '\n'.
 131  * If the input length is 0, returns a valid 1-byte buffer, but sets
 132  * the length to 0.
 133  */
 134 static unsigned char* unescape(const char *input, size_t input_len,
 135                                size_t *out_len)
 136 {
 137     unsigned char *ret, *p;
 138     size_t i;
 139     if (input_len == 0) {
 140         *out_len = 0;
 141         return OPENSSL_zalloc(1);
 142     }
 143
 144     /* Escaping is non-expanding; over-allocate original size for simplicity. */
 145     ret = p = OPENSSL_malloc(input_len);
 146     if (ret == NULL)
 147         return NULL;
 148
 149     for (i = 0; i < input_len; i++) {
 150         if (input[i] == '\\') {
 151             if (i == input_len - 1 || input[i+1] != 'n')
 152                 goto err;
 153             *p++ = '\n';
 154             i++;
 155         } else {
 156             *p++ = input[i];
 157         }
 158     }
 159
 160     *out_len = p - ret;
 161     return ret;
 162
 163  err:
 164     OPENSSL_free(ret);
 165     return NULL;
 166 }
 167
 168 /* For a hex string "value" convert to a binary allocated buffer */
 169 static int test_bin(const char *value, unsigned char **buf, size_t *buflen)
 170 {
 171     long len;
 172
 173     *buflen = 0;
 174     if (!*value) {
 175         /*
 176          * Don't return NULL for zero length buffer.
 177          * This is needed for some tests with empty keys: HMAC_Init_ex() expects
 178          * a non-NULL key buffer even if the key length is 0, in order to detect
 179          * key reset.
 180          */
 181         *buf = OPENSSL_malloc(1);
 182         if (!*buf)
 183             return 0;
 184         **buf = 0;
 185         *buflen = 0;
 186         return 1;
 187     }
 188     /* Check for string literal */
 189     if (value[0] == '"') {
 190         size_t vlen;
 191         value++;
 192         vlen = strlen(value);
 193         if (value[vlen - 1] != '"')
 194             return 0;
 195         vlen--;
 196         *buf = unescape(value, vlen, buflen);
 197         if (*buf == NULL)
 198             return 0;
 199         return 1;
 200     }
 201
 202     *buf = string_to_hex(value, &len);
 203     if (!*buf) {
 204         fprintf(stderr, "Value=%s\n", value);
 205         ERR_print_errors_fp(stderr);
 206         return -1;
 207     }
 208     /* Size of input buffer means we'll never overflow */
 209     *buflen = len;
 210     return 1;
 211 }
 212 /* Parse unsigned decimal 64 bit integer value */
 213 static int test_uint64(const char *value, uint64_t *pr)
 214 {
 215     const char *p = value;
 216     if (!*p) {
 217         fprintf(stderr, "Invalid empty integer value\n");
 218         return -1;
 219     }
 220     *pr = 0;
 221     while (*p) {
 222         if (*pr > UINT64_MAX/10) {
 223             fprintf(stderr, "Integer string overflow value=%s\n", value);
 224             return -1;
 225         }
 226         *pr *= 10;
 227         if (*p < '0' || *p > '9') {
 228             fprintf(stderr, "Invalid integer string value=%s\n", value);
 229             return -1;
 230         }
 231         *pr += *p - '0';
 232         p++;
 233     }
 234     return 1;
 235 }
 236
 237 /* Structure holding test information */
 238 struct evp_test {
 239     /* file being read */
 240     FILE *in;
 241     /* List of public and private keys */
 242     struct key_list *private;
 243     struct key_list *public;
 244     /* method for this test */
 245     const struct evp_test_method *meth;
 246     /* current line being processed */
 247     unsigned int line;
 248     /* start line of current test */
 249     unsigned int start_line;
 250     /* Error string for test */
 251     const char *err;
 252     /* Expected error value of test */
 253     char *expected_err;
 254     /* Number of tests */
 255     int ntests;
 256     /* Error count */
 257     int errors;
 258     /* Number of tests skipped */
 259     int nskip;
 260     /* If output mismatch expected and got value */
 261     unsigned char *out_received;
 262     size_t out_received_len;
 263     unsigned char *out_expected;
 264     size_t out_expected_len;
 265     /* test specific data */
 266     void *data;
 267     /* Current test should be skipped */
 268     int skip;
 269 };
 270
 271 struct key_list {
 272     char *name;
 273     EVP_PKEY *key;
 274     struct key_list *next;
 275 };
 276
 277 /* Test method structure */
 278 struct evp_test_method {
 279     /* Name of test as it appears in file */
 280     const char *name;
 281     /* Initialise test for "alg" */
 282     int (*init) (struct evp_test * t, const char *alg);
 283     /* Clean up method */
 284     void (*cleanup) (struct evp_test * t);
 285     /* Test specific name value pair processing */
 286     int (*parse) (struct evp_test * t, const char *name, const char *value);
 287     /* Run the test itself */
 288     int (*run_test) (struct evp_test * t);
 289 };
 290
 291 static const struct evp_test_method digest_test_method, cipher_test_method;
 292 static const struct evp_test_method mac_test_method;
 293 static const struct evp_test_method psign_test_method, pverify_test_method;
 294 static const struct evp_test_method pdecrypt_test_method;
 295 static const struct evp_test_method pverify_recover_test_method;
 296 static const struct evp_test_method pderive_test_method;
 297 static const struct evp_test_method pbe_test_method;
 298 static const struct evp_test_method encode_test_method;
 299 static const struct evp_test_method kdf_test_method;
 300
 301 static const struct evp_test_method *evp_test_list[] = {
 302     &digest_test_method,
 303     &cipher_test_method,
 304     &mac_test_method,
 305     &psign_test_method,
 306     &pverify_test_method,
 307     &pdecrypt_test_method,
 308     &pverify_recover_test_method,
 309     &pderive_test_method,
 310     &pbe_test_method,
 311     &encode_test_method,
 312     &kdf_test_method,
 313     NULL
 314 };
 315
 316 static const struct evp_test_method *evp_find_test(const char *name)
 317 {
 318     const struct evp_test_method **tt;
 319
 320     for (tt = evp_test_list; *tt; tt++) {
 321         if (strcmp(name, (*tt)->name) == 0)
 322             return *tt;
 323     }
 324     return NULL;
 325 }
 326
 327 static void hex_print(const char *name, const unsigned char *buf, size_t len)
 328 {
 329     size_t i;
 330     fprintf(stderr, "%s ", name);
 331     for (i = 0; i < len; i++)
 332         fprintf(stderr, "%02X", buf[i]);
 333     fputs("\n", stderr);
 334 }
 335
 336 static void free_expected(struct evp_test *t)
 337 {
 338     OPENSSL_free(t->expected_err);
 339     t->expected_err = NULL;
 340     OPENSSL_free(t->out_expected);
 341     OPENSSL_free(t->out_received);
 342     t->out_expected = NULL;
 343     t->out_received = NULL;
 344     t->out_expected_len = 0;
 345     t->out_received_len = 0;
 346     /* Literals. */
 347     t->err = NULL;
 348 }
 349
 350 static void print_expected(struct evp_test *t)
 351 {
 352     if (t->out_expected == NULL && t->out_received == NULL)
 353         return;
 354     hex_print("Expected:", t->out_expected, t->out_expected_len);
 355     hex_print("Got:     ", t->out_received, t->out_received_len);
 356     free_expected(t);
 357 }
 358
 359 static int check_test_error(struct evp_test *t)
 360 {
 361     if (!t->err && !t->expected_err)
 362         return 1;
 363     if (t->err && !t->expected_err) {
 364         fprintf(stderr, "Test line %d: unexpected error %s\n",
 365                 t->start_line, t->err);
 366         print_expected(t);
 367         return 0;
 368     }
 369     if (!t->err && t->expected_err) {
 370         fprintf(stderr, "Test line %d: succeeded expecting %s\n",
 371                 t->start_line, t->expected_err);
 372         return 0;
 373     }
 374     if (strcmp(t->err, t->expected_err) == 0)
 375         return 1;
 376
 377     fprintf(stderr, "Test line %d: expecting %s got %s\n",
 378             t->start_line, t->expected_err, t->err);
 379     return 0;
 380 }
 381
 382 /* Setup a new test, run any existing test */
 383
 384 static int setup_test(struct evp_test *t, const struct evp_test_method *tmeth)
 385 {
 386     /* If we already have a test set up run it */
 387     if (t->meth) {
 388         t->ntests++;
 389         if (t->skip) {
 390             t->meth = tmeth;
 391             t->nskip++;
 392             return 1;
 393         }
 394         t->err = NULL;
 395         if (t->meth->run_test(t) != 1) {
 396             fprintf(stderr, "%s test error line %d\n",
 397                     t->meth->name, t->start_line);
 398             return 0;
 399         }
 400         if (!check_test_error(t)) {
 401             if (t->err)
 402                 ERR_print_errors_fp(stderr);
 403             t->errors++;
 404         }
 405         ERR_clear_error();
 406         t->meth->cleanup(t);
 407         OPENSSL_free(t->data);
 408         t->data = NULL;
 409         OPENSSL_free(t->expected_err);
 410         t->expected_err = NULL;
 411         free_expected(t);
 412     }
 413     t->meth = tmeth;
 414     return 1;
 415 }
 416
 417 static int find_key(EVP_PKEY **ppk, const char *name, struct key_list *lst)
 418 {
 419     for (; lst; lst = lst->next) {
 420         if (strcmp(lst->name, name) == 0) {
 421             if (ppk)
 422                 *ppk = lst->key;
 423             return 1;
 424         }
 425     }
 426     return 0;
 427 }
 428
 429 static void free_key_list(struct key_list *lst)
 430 {
 431     while (lst != NULL) {
 432         struct key_list *ltmp;
 433         EVP_PKEY_free(lst->key);
 434         OPENSSL_free(lst->name);
 435         ltmp = lst->next;
 436         OPENSSL_free(lst);
 437         lst = ltmp;
 438     }
 439 }
 440
 441 static int check_unsupported()
 442 {
 443     long err = ERR_peek_error();
 444     if (ERR_GET_LIB(err) == ERR_LIB_EVP
 445         && ERR_GET_REASON(err) == EVP_R_UNSUPPORTED_ALGORITHM) {
 446         ERR_clear_error();
 447         return 1;
 448     }
 449     return 0;
 450 }
 451
 452 static int process_test(struct evp_test *t, char *buf, int verbose)
 453 {
 454     char *keyword = NULL, *value = NULL;
 455     int rv = 0, add_key = 0;
 456     long save_pos = 0;
 457     struct key_list **lst = NULL, *key = NULL;
 458     EVP_PKEY *pk = NULL;
 459     const struct evp_test_method *tmeth = NULL;
 460     if (verbose)
 461         fputs(buf, stdout);
 462     if (!parse_line(&keyword, &value, buf))
 463         return 1;
 464     if (strcmp(keyword, "PrivateKey") == 0) {
 465         save_pos = ftell(t->in);
 466         pk = PEM_read_PrivateKey(t->in, NULL, 0, NULL);
 467         if (pk == NULL && !check_unsupported()) {
 468             fprintf(stderr, "Error reading private key %s\n", value);
 469             ERR_print_errors_fp(stderr);
 470             return 0;
 471         }
 472         lst = &t->private;
 473         add_key = 1;
 474     }
 475     if (strcmp(keyword, "PublicKey") == 0) {
 476         save_pos = ftell(t->in);
 477         pk = PEM_read_PUBKEY(t->in, NULL, 0, NULL);
 478         if (pk == NULL && !check_unsupported()) {
 479             fprintf(stderr, "Error reading public key %s\n", value);
 480             ERR_print_errors_fp(stderr);
 481             return 0;
 482         }
 483         lst = &t->public;
 484         add_key = 1;
 485     }
 486     /* If we have a key add to list */
 487     if (add_key) {
 488         char tmpbuf[80];
 489         if (find_key(NULL, value, *lst)) {
 490             fprintf(stderr, "Duplicate key %s\n", value);
 491             return 0;
 492         }
 493         key = OPENSSL_malloc(sizeof(*key));
 494         if (!key)
 495             return 0;
 496         key->name = OPENSSL_strdup(value);
 497         key->key = pk;
 498         key->next = *lst;
 499         *lst = key;
 500         /* Rewind input, read to end and update line numbers */
 501         fseek(t->in, save_pos, SEEK_SET);
 502         while (fgets(tmpbuf, sizeof(tmpbuf), t->in)) {
 503             t->line++;
 504             if (strncmp(tmpbuf, "-----END", 8) == 0)
 505                 return 1;
 506         }
 507         fprintf(stderr, "Can't find key end\n");
 508         return 0;
 509     }
 510
 511     /* See if keyword corresponds to a test start */
 512     tmeth = evp_find_test(keyword);
 513     if (tmeth) {
 514         if (!setup_test(t, tmeth))
 515             return 0;
 516         t->start_line = t->line;
 517         t->skip = 0;
 518         if (!tmeth->init(t, value)) {
 519             fprintf(stderr, "Unknown %s: %s\n", keyword, value);
 520             return 0;
 521         }
 522         return 1;
 523     } else if (t->skip) {
 524         return 1;
 525     } else if (strcmp(keyword, "Result") == 0) {
 526         if (t->expected_err) {
 527             fprintf(stderr, "Line %d: multiple result lines\n", t->line);
 528             return 0;
 529         }
 530         t->expected_err = OPENSSL_strdup(value);
 531         if (!t->expected_err)
 532             return 0;
 533     } else {
 534         /* Must be test specific line: try to parse it */
 535         if (t->meth)
 536             rv = t->meth->parse(t, keyword, value);
 537
 538         if (rv == 0)
 539             fprintf(stderr, "line %d: unexpected keyword %s\n",
 540                     t->line, keyword);
 541
 542         if (rv < 0)
 543             fprintf(stderr, "line %d: error processing keyword %s\n",
 544                     t->line, keyword);
 545         if (rv <= 0)
 546             return 0;
 547     }
 548     return 1;
 549 }
 550
 551 static int check_var_length_output(struct evp_test *t,
 552                                    const unsigned char *expected,
 553                                    size_t expected_len,
 554                                    const unsigned char *received,
 555                                    size_t received_len)
 556 {
 557     if (expected_len == received_len &&
 558         memcmp(expected, received, expected_len) == 0) {
 559         return 0;
 560     }
 561
 562     /* The result printing code expects a non-NULL buffer. */
 563     t->out_expected = OPENSSL_memdup(expected, expected_len ? expected_len : 1);
 564     t->out_expected_len = expected_len;
 565     t->out_received = OPENSSL_memdup(received, received_len ? received_len : 1);
 566     t->out_received_len = received_len;
 567     if (t->out_expected == NULL || t->out_received == NULL) {
 568         fprintf(stderr, "Memory allocation error!\n");
 569         exit(1);
 570     }
 571     return 1;
 572 }
 573
 574 static int check_output(struct evp_test *t,
 575                         const unsigned char *expected,
 576                         const unsigned char *received,
 577                         size_t len)
 578 {
 579     return check_var_length_output(t, expected, len, received, len);
 580 }
 581
 582 int main(int argc, char **argv)
 583 {
 584     FILE *in = NULL;
 585     char buf[10240];
 586     struct evp_test t;
 587
 588     if (argc != 2) {
 589         fprintf(stderr, "usage: evp_test testfile.txt\n");
 590         return 1;
 591     }
 592
 593     CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
 594
 595     memset(&t, 0, sizeof(t));
 596     t.start_line = -1;
 597     in = fopen(argv[1], "r");
 598     t.in = in;
 599     while (fgets(buf, sizeof(buf), in)) {
 600         t.line++;
 601         if (!process_test(&t, buf, 0))
 602             exit(1);
 603     }
 604     /* Run any final test we have */
 605     if (!setup_test(&t, NULL))
 606         exit(1);
 607     fprintf(stderr, "%d tests completed with %d errors, %d skipped\n",
 608             t.ntests, t.errors, t.nskip);
 609     free_key_list(t.public);
 610     free_key_list(t.private);
 611     fclose(in);
 612
 613 #ifndef OPENSSL_NO_CRYPTO_MDEBUG
 614     if (CRYPTO_mem_leaks_fp(stderr) <= 0)
 615         return 1;
 616 #endif
 617     if (t.errors)
 618         return 1;
 619     return 0;
 620 }
 621
 622 static void test_free(void *d)
 623 {
 624     OPENSSL_free(d);
 625 }
 626
 627 /* Message digest tests */
 628
 629 struct digest_data {
 630     /* Digest this test is for */
 631     const EVP_MD *digest;
 632     /* Input to digest */
 633     unsigned char *input;
 634     size_t input_len;
 635     /* Repeat count for input */
 636     size_t nrpt;
 637     /* Expected output */
 638     unsigned char *output;
 639     size_t output_len;
 640 };
 641
 642 static int digest_test_init(struct evp_test *t, const char *alg)
 643 {
 644     const EVP_MD *digest;
 645     struct digest_data *mdat;
 646     digest = EVP_get_digestbyname(alg);
 647     if (!digest) {
 648         /* If alg has an OID assume disabled algorithm */
 649         if (OBJ_sn2nid(alg) != NID_undef || OBJ_ln2nid(alg) != NID_undef) {
 650             t->skip = 1;
 651             return 1;
 652         }
 653         return 0;
 654     }
 655     mdat = OPENSSL_malloc(sizeof(*mdat));
 656     mdat->digest = digest;
 657     mdat->input = NULL;
 658     mdat->output = NULL;
 659     mdat->nrpt = 1;
 660     t->data = mdat;
 661     return 1;
 662 }
 663
 664 static void digest_test_cleanup(struct evp_test *t)
 665 {
 666     struct digest_data *mdat = t->data;
 667     test_free(mdat->input);
 668     test_free(mdat->output);
 669 }
 670
 671 static int digest_test_parse(struct evp_test *t,
 672                              const char *keyword, const char *value)
 673 {
 674     struct digest_data *mdata = t->data;
 675     if (strcmp(keyword, "Input") == 0)
 676         return test_bin(value, &mdata->input, &mdata->input_len);
 677     if (strcmp(keyword, "Output") == 0)
 678         return test_bin(value, &mdata->output, &mdata->output_len);
 679     if (strcmp(keyword, "Count") == 0) {
 680         long nrpt = atoi(value);
 681         if (nrpt <= 0)
 682             return 0;
 683         mdata->nrpt = (size_t)nrpt;
 684         return 1;
 685     }
 686     return 0;
 687 }
 688
 689 static int digest_test_run(struct evp_test *t)
 690 {
 691     struct digest_data *mdata = t->data;
 692     size_t i;
 693     const char *err = "INTERNAL_ERROR";
 694     EVP_MD_CTX *mctx;
 695     unsigned char md[EVP_MAX_MD_SIZE];
 696     unsigned int md_len;
 697     mctx = EVP_MD_CTX_new();
 698     if (!mctx)
 699         goto err;
 700     err = "DIGESTINIT_ERROR";
 701     if (!EVP_DigestInit_ex(mctx, mdata->digest, NULL))
 702         goto err;
 703     err = "DIGESTUPDATE_ERROR";
 704     for (i = 0; i < mdata->nrpt; i++) {
 705         if (!EVP_DigestUpdate(mctx, mdata->input, mdata->input_len))
 706             goto err;
 707     }
 708     err = "DIGESTFINAL_ERROR";
 709     if (!EVP_DigestFinal(mctx, md, &md_len))
 710         goto err;
 711     err = "DIGEST_LENGTH_MISMATCH";
 712     if (md_len != mdata->output_len)
 713         goto err;
 714     err = "DIGEST_MISMATCH";
 715     if (check_output(t, mdata->output, md, md_len))
 716         goto err;
 717     err = NULL;
 718  err:
 719     EVP_MD_CTX_free(mctx);
 720     t->err = err;
 721     return 1;
 722 }
 723
 724 static const struct evp_test_method digest_test_method = {
 725     "Digest",
 726     digest_test_init,
 727     digest_test_cleanup,
 728     digest_test_parse,
 729     digest_test_run
 730 };
 731
 732 /* Cipher tests */
 733 struct cipher_data {
 734     const EVP_CIPHER *cipher;
 735     int enc;
 736     /* EVP_CIPH_GCM_MODE, EVP_CIPH_CCM_MODE or EVP_CIPH_OCB_MODE if AEAD */
 737     int aead;
 738     unsigned char *key;
 739     size_t key_len;
 740     unsigned char *iv;
 741     size_t iv_len;
 742     unsigned char *plaintext;
 743     size_t plaintext_len;
 744     unsigned char *ciphertext;
 745     size_t ciphertext_len;
 746     /* GCM, CCM only */
 747     unsigned char *aad;
 748     size_t aad_len;
 749     unsigned char *tag;
 750     size_t tag_len;
 751 };
 752
 753 static int cipher_test_init(struct evp_test *t, const char *alg)
 754 {
 755     const EVP_CIPHER *cipher;
 756     struct cipher_data *cdat = t->data;
 757     cipher = EVP_get_cipherbyname(alg);
 758     if (!cipher) {
 759         /* If alg has an OID assume disabled algorithm */
 760         if (OBJ_sn2nid(alg) != NID_undef || OBJ_ln2nid(alg) != NID_undef) {
 761             t->skip = 1;
 762             return 1;
 763         }
 764         return 0;
 765     }
 766     cdat = OPENSSL_malloc(sizeof(*cdat));
 767     cdat->cipher = cipher;
 768     cdat->enc = -1;
 769     cdat->key = NULL;
 770     cdat->iv = NULL;
 771     cdat->ciphertext = NULL;
 772     cdat->plaintext = NULL;
 773     cdat->aad = NULL;
 774     cdat->tag = NULL;
 775     t->data = cdat;
 776     if (EVP_CIPHER_mode(cipher) == EVP_CIPH_GCM_MODE
 777         || EVP_CIPHER_mode(cipher) == EVP_CIPH_OCB_MODE
 778         || EVP_CIPHER_mode(cipher) == EVP_CIPH_CCM_MODE)
 779         cdat->aead = EVP_CIPHER_mode(cipher);
 780     else if (EVP_CIPHER_flags(cipher) & EVP_CIPH_FLAG_AEAD_CIPHER)
 781         cdat->aead = -1;
 782     else
 783         cdat->aead = 0;
 784
 785     return 1;
 786 }
 787
 788 static void cipher_test_cleanup(struct evp_test *t)
 789 {
 790     struct cipher_data *cdat = t->data;
 791     test_free(cdat->key);
 792     test_free(cdat->iv);
 793     test_free(cdat->ciphertext);
 794     test_free(cdat->plaintext);
 795     test_free(cdat->aad);
 796     test_free(cdat->tag);
 797 }
 798
 799 static int cipher_test_parse(struct evp_test *t, const char *keyword,
 800                              const char *value)
 801 {
 802     struct cipher_data *cdat = t->data;
 803     if (strcmp(keyword, "Key") == 0)
 804         return test_bin(value, &cdat->key, &cdat->key_len);
 805     if (strcmp(keyword, "IV") == 0)
 806         return test_bin(value, &cdat->iv, &cdat->iv_len);
 807     if (strcmp(keyword, "Plaintext") == 0)
 808         return test_bin(value, &cdat->plaintext, &cdat->plaintext_len);
 809     if (strcmp(keyword, "Ciphertext") == 0)
 810         return test_bin(value, &cdat->ciphertext, &cdat->ciphertext_len);
 811     if (cdat->aead) {
 812         if (strcmp(keyword, "AAD") == 0)
 813             return test_bin(value, &cdat->aad, &cdat->aad_len);
 814         if (strcmp(keyword, "Tag") == 0)
 815             return test_bin(value, &cdat->tag, &cdat->tag_len);
 816     }
 817
 818     if (strcmp(keyword, "Operation") == 0) {
 819         if (strcmp(value, "ENCRYPT") == 0)
 820             cdat->enc = 1;
 821         else if (strcmp(value, "DECRYPT") == 0)
 822             cdat->enc = 0;
 823         else
 824             return 0;
 825         return 1;
 826     }
 827     return 0;
 828 }
 829
 830 static int cipher_test_enc(struct evp_test *t, int enc)
 831 {
 832     struct cipher_data *cdat = t->data;
 833     unsigned char *in, *out, *tmp = NULL;
 834     size_t in_len, out_len;
 835     int tmplen, tmpflen;
 836     EVP_CIPHER_CTX *ctx = NULL;
 837     const char *err;
 838     err = "INTERNAL_ERROR";
 839     ctx = EVP_CIPHER_CTX_new();
 840     if (!ctx)
 841         goto err;
 842     EVP_CIPHER_CTX_set_flags(ctx, EVP_CIPHER_CTX_FLAG_WRAP_ALLOW);
 843     if (enc) {
 844         in = cdat->plaintext;
 845         in_len = cdat->plaintext_len;
 846         out = cdat->ciphertext;
 847         out_len = cdat->ciphertext_len;
 848     } else {
 849         in = cdat->ciphertext;
 850         in_len = cdat->ciphertext_len;
 851         out = cdat->plaintext;
 852         out_len = cdat->plaintext_len;
 853     }
 854     tmp = OPENSSL_malloc(in_len + 2 * EVP_MAX_BLOCK_LENGTH);
 855     if (!tmp)
 856         goto err;
 857     err = "CIPHERINIT_ERROR";
 858     if (!EVP_CipherInit_ex(ctx, cdat->cipher, NULL, NULL, NULL, enc))
 859         goto err;
 860     err = "INVALID_IV_LENGTH";
 861     if (cdat->iv) {
 862         if (cdat->aead) {
 863             if (!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_IVLEN,
 864                                      cdat->iv_len, 0))
 865                 goto err;
 866         } else if (cdat->iv_len != (size_t)EVP_CIPHER_CTX_iv_length(ctx))
 867             goto err;
 868     }
 869     if (cdat->aead) {
 870         unsigned char *tag;
 871         /*
 872          * If encrypting or OCB just set tag length initially, otherwise
 873          * set tag length and value.
 874          */
 875         if (enc || cdat->aead == EVP_CIPH_OCB_MODE) {
 876             err = "TAG_LENGTH_SET_ERROR";
 877             tag = NULL;
 878         } else {
 879             err = "TAG_SET_ERROR";
 880             tag = cdat->tag;
 881         }
 882         if (tag || cdat->aead != EVP_CIPH_GCM_MODE) {
 883             if (!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_TAG,
 884                                      cdat->tag_len, tag))
 885                 goto err;
 886         }
 887     }
 888
 889     err = "INVALID_KEY_LENGTH";
 890     if (!EVP_CIPHER_CTX_set_key_length(ctx, cdat->key_len))
 891         goto err;
 892     err = "KEY_SET_ERROR";
 893     if (!EVP_CipherInit_ex(ctx, NULL, NULL, cdat->key, cdat->iv, -1))
 894         goto err;
 895
 896     if (!enc && cdat->aead == EVP_CIPH_OCB_MODE) {
 897         if (!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_TAG,
 898                                  cdat->tag_len, cdat->tag)) {
 899             err = "TAG_SET_ERROR";
 900             goto err;
 901         }
 902     }
 903
 904     if (cdat->aead == EVP_CIPH_CCM_MODE) {
 905         if (!EVP_CipherUpdate(ctx, NULL, &tmplen, NULL, out_len)) {
 906             err = "CCM_PLAINTEXT_LENGTH_SET_ERROR";
 907             goto err;
 908         }
 909     }
 910     if (cdat->aad) {
 911         if (!EVP_CipherUpdate(ctx, NULL, &tmplen, cdat->aad, cdat->aad_len)) {
 912             err = "AAD_SET_ERROR";
 913             goto err;
 914         }
 915     }
 916     EVP_CIPHER_CTX_set_padding(ctx, 0);
 917     err = "CIPHERUPDATE_ERROR";
 918     if (!EVP_CipherUpdate(ctx, tmp, &tmplen, in, in_len))
 919         goto err;
 920     if (cdat->aead == EVP_CIPH_CCM_MODE)
 921         tmpflen = 0;
 922     else {
 923         err = "CIPHERFINAL_ERROR";
 924         if (!EVP_CipherFinal_ex(ctx, tmp + tmplen, &tmpflen))
 925             goto err;
 926     }
 927     err = "LENGTH_MISMATCH";
 928     if (out_len != (size_t)(tmplen + tmpflen))
 929         goto err;
 930     err = "VALUE_MISMATCH";
 931     if (check_output(t, out, tmp, out_len))
 932         goto err;
 933     if (enc && cdat->aead) {
 934         unsigned char rtag[16];
 935         if (cdat->tag_len > sizeof(rtag)) {
 936             err = "TAG_LENGTH_INTERNAL_ERROR";
 937             goto err;
 938         }
 939         if (!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_GET_TAG,
 940                                  cdat->tag_len, rtag)) {
 941             err = "TAG_RETRIEVE_ERROR";
 942             goto err;
 943         }
 944         if (check_output(t, cdat->tag, rtag, cdat->tag_len)) {
 945             err = "TAG_VALUE_MISMATCH";
 946             goto err;
 947         }
 948     }
 949     err = NULL;
 950  err:
 951     OPENSSL_free(tmp);
 952     EVP_CIPHER_CTX_free(ctx);
 953     t->err = err;
 954     return err ? 0 : 1;
 955 }
 956
 957 static int cipher_test_run(struct evp_test *t)
 958 {
 959     struct cipher_data *cdat = t->data;
 960     int rv;
 961     if (!cdat->key) {
 962         t->err = "NO_KEY";
 963         return 0;
 964     }
 965     if (!cdat->iv && EVP_CIPHER_iv_length(cdat->cipher)) {
 966         /* IV is optional and usually omitted in wrap mode */
 967         if (EVP_CIPHER_mode(cdat->cipher) != EVP_CIPH_WRAP_MODE) {
 968             t->err = "NO_IV";
 969             return 0;
 970         }
 971     }
 972     if (cdat->aead && !cdat->tag) {
 973         t->err = "NO_TAG";
 974         return 0;
 975     }
 976     if (cdat->enc) {
 977         rv = cipher_test_enc(t, 1);
 978         /* Not fatal errors: return */
 979         if (rv != 1) {
 980             if (rv < 0)
 981                 return 0;
 982             return 1;
 983         }
 984     }
 985     if (cdat->enc != 1) {
 986         rv = cipher_test_enc(t, 0);
 987         /* Not fatal errors: return */
 988         if (rv != 1) {
 989             if (rv < 0)
 990                 return 0;
 991             return 1;
 992         }
 993     }
 994     return 1;
 995 }
 996
 997 static const struct evp_test_method cipher_test_method = {
 998     "Cipher",
 999     cipher_test_init,
1000     cipher_test_cleanup,
1001     cipher_test_parse,
1002     cipher_test_run
1003 };
1004
1005 struct mac_data {
1006     /* MAC type */
1007     int type;
1008     /* Algorithm string for this MAC */
1009     char *alg;
1010     /* MAC key */
1011     unsigned char *key;
1012     size_t key_len;
1013     /* Input to MAC */
1014     unsigned char *input;
1015     size_t input_len;
1016     /* Expected output */
1017     unsigned char *output;
1018     size_t output_len;
1019 };
1020
1021 static int mac_test_init(struct evp_test *t, const char *alg)
1022 {
1023     int type;
1024     struct mac_data *mdat;
1025     if (strcmp(alg, "HMAC") == 0)
1026         type = EVP_PKEY_HMAC;
1027     else if (strcmp(alg, "CMAC") == 0)
1028         type = EVP_PKEY_CMAC;
1029     else
1030         return 0;
1031
1032     mdat = OPENSSL_malloc(sizeof(*mdat));
1033     mdat->type = type;
1034     mdat->alg = NULL;
1035     mdat->key = NULL;
1036     mdat->input = NULL;
1037     mdat->output = NULL;
1038     t->data = mdat;
1039     return 1;
1040 }
1041
1042 static void mac_test_cleanup(struct evp_test *t)
1043 {
1044     struct mac_data *mdat = t->data;
1045     test_free(mdat->alg);
1046     test_free(mdat->key);
1047     test_free(mdat->input);
1048     test_free(mdat->output);
1049 }
1050
1051 static int mac_test_parse(struct evp_test *t,
1052                           const char *keyword, const char *value)
1053 {
1054     struct mac_data *mdata = t->data;
1055     if (strcmp(keyword, "Key") == 0)
1056         return test_bin(value, &mdata->key, &mdata->key_len);
1057     if (strcmp(keyword, "Algorithm") == 0) {
1058         mdata->alg = OPENSSL_strdup(value);
1059         if (!mdata->alg)
1060             return 0;
1061         return 1;
1062     }
1063     if (strcmp(keyword, "Input") == 0)
1064         return test_bin(value, &mdata->input, &mdata->input_len);
1065     if (strcmp(keyword, "Output") == 0)
1066         return test_bin(value, &mdata->output, &mdata->output_len);
1067     return 0;
1068 }
1069
1070 static int mac_test_run(struct evp_test *t)
1071 {
1072     struct mac_data *mdata = t->data;
1073     const char *err = "INTERNAL_ERROR";
1074     EVP_MD_CTX *mctx = NULL;
1075     EVP_PKEY_CTX *pctx = NULL, *genctx = NULL;
1076     EVP_PKEY *key = NULL;
1077     const EVP_MD *md = NULL;
1078     unsigned char *mac = NULL;
1079     size_t mac_len;
1080
1081     err = "MAC_PKEY_CTX_ERROR";
1082     genctx = EVP_PKEY_CTX_new_id(mdata->type, NULL);
1083     if (!genctx)
1084         goto err;
1085
1086     err = "MAC_KEYGEN_INIT_ERROR";
1087     if (EVP_PKEY_keygen_init(genctx) <= 0)
1088         goto err;
1089     if (mdata->type == EVP_PKEY_CMAC) {
1090         err = "MAC_ALGORITHM_SET_ERROR";
1091         if (EVP_PKEY_CTX_ctrl_str(genctx, "cipher", mdata->alg) <= 0)
1092             goto err;
1093     }
1094
1095     err = "MAC_KEY_SET_ERROR";
1096     if (EVP_PKEY_CTX_set_mac_key(genctx, mdata->key, mdata->key_len) <= 0)
1097         goto err;
1098
1099     err = "MAC_KEY_GENERATE_ERROR";
1100     if (EVP_PKEY_keygen(genctx, &key) <= 0)
1101         goto err;
1102     if (mdata->type == EVP_PKEY_HMAC) {
1103         err = "MAC_ALGORITHM_SET_ERROR";
1104         md = EVP_get_digestbyname(mdata->alg);
1105         if (!md)
1106             goto err;
1107     }
1108     mctx = EVP_MD_CTX_new();
1109     if (!mctx)
1110         goto err;
1111     err = "DIGESTSIGNINIT_ERROR";
1112     if (!EVP_DigestSignInit(mctx, &pctx, md, NULL, key))
1113         goto err;
1114
1115     err = "DIGESTSIGNUPDATE_ERROR";
1116     if (!EVP_DigestSignUpdate(mctx, mdata->input, mdata->input_len))
1117         goto err;
1118     err = "DIGESTSIGNFINAL_LENGTH_ERROR";
1119     if (!EVP_DigestSignFinal(mctx, NULL, &mac_len))
1120         goto err;
1121     mac = OPENSSL_malloc(mac_len);
1122     if (!mac) {
1123         fprintf(stderr, "Error allocating mac buffer!\n");
1124         exit(1);
1125     }
1126     if (!EVP_DigestSignFinal(mctx, mac, &mac_len))
1127         goto err;
1128     err = "MAC_LENGTH_MISMATCH";
1129     if (mac_len != mdata->output_len)
1130         goto err;
1131     err = "MAC_MISMATCH";
1132     if (check_output(t, mdata->output, mac, mac_len))
1133         goto err;
1134     err = NULL;
1135  err:
1136     EVP_MD_CTX_free(mctx);
1137     OPENSSL_free(mac);
1138     EVP_PKEY_CTX_free(genctx);
1139     EVP_PKEY_free(key);
1140     t->err = err;
1141     return 1;
1142 }
1143
1144 static const struct evp_test_method mac_test_method = {
1145     "MAC",
1146     mac_test_init,
1147     mac_test_cleanup,
1148     mac_test_parse,
1149     mac_test_run
1150 };
1151
1152 /*
1153  * Public key operations. These are all very similar and can share
1154  * a lot of common code.
1155  */
1156
1157 struct pkey_data {
1158     /* Context for this operation */
1159     EVP_PKEY_CTX *ctx;
1160     /* Key operation to perform */
1161     int (*keyop) (EVP_PKEY_CTX *ctx,
1162                   unsigned char *sig, size_t *siglen,
1163                   const unsigned char *tbs, size_t tbslen);
1164     /* Input to MAC */
1165     unsigned char *input;
1166     size_t input_len;
1167     /* Expected output */
1168     unsigned char *output;
1169     size_t output_len;
1170 };
1171
1172 /*
1173  * Perform public key operation setup: lookup key, allocated ctx and call
1174  * the appropriate initialisation function
1175  */
1176 static int pkey_test_init(struct evp_test *t, const char *name,
1177                           int use_public,
1178                           int (*keyopinit) (EVP_PKEY_CTX *ctx),
1179                           int (*keyop) (EVP_PKEY_CTX *ctx,
1180                                         unsigned char *sig, size_t *siglen,
1181                                         const unsigned char *tbs,
1182                                         size_t tbslen)
1183     )
1184 {
1185     struct pkey_data *kdata;
1186     EVP_PKEY *pkey = NULL;
1187     int rv = 0;
1188     if (use_public)
1189         rv = find_key(&pkey, name, t->public);
1190     if (!rv)
1191         rv = find_key(&pkey, name, t->private);
1192     if (!rv)
1193         return 0;
1194     if (!pkey) {
1195         t->skip = 1;
1196         return 1;
1197     }
1198
1199     kdata = OPENSSL_malloc(sizeof(*kdata));
1200     if (!kdata) {
1201         EVP_PKEY_free(pkey);
1202         return 0;
1203     }
1204     kdata->ctx = NULL;
1205     kdata->input = NULL;
1206     kdata->output = NULL;
1207     kdata->keyop = keyop;
1208     t->data = kdata;
1209     kdata->ctx = EVP_PKEY_CTX_new(pkey, NULL);
1210     if (!kdata->ctx)
1211         return 0;
1212     if (keyopinit(kdata->ctx) <= 0)
1213         return 0;
1214     return 1;
1215 }
1216
1217 static void pkey_test_cleanup(struct evp_test *t)
1218 {
1219     struct pkey_data *kdata = t->data;
1220
1221     OPENSSL_free(kdata->input);
1222     OPENSSL_free(kdata->output);
1223     EVP_PKEY_CTX_free(kdata->ctx);
1224 }
1225
1226 static int pkey_test_ctrl(EVP_PKEY_CTX *pctx, const char *value)
1227 {
1228     int rv;
1229     char *p, *tmpval;
1230
1231     tmpval = OPENSSL_strdup(value);
1232     if (tmpval == NULL)
1233         return 0;
1234     p = strchr(tmpval, ':');
1235     if (p != NULL)
1236         *p++ = 0;
1237     rv = EVP_PKEY_CTX_ctrl_str(pctx, tmpval, p);
1238     OPENSSL_free(tmpval);
1239     return rv > 0;
1240 }
1241
1242 static int pkey_test_parse(struct evp_test *t,
1243                            const char *keyword, const char *value)
1244 {
1245     struct pkey_data *kdata = t->data;
1246     if (strcmp(keyword, "Input") == 0)
1247         return test_bin(value, &kdata->input, &kdata->input_len);
1248     if (strcmp(keyword, "Output") == 0)
1249         return test_bin(value, &kdata->output, &kdata->output_len);
1250     if (strcmp(keyword, "Ctrl") == 0)
1251         return pkey_test_ctrl(kdata->ctx, value);
1252     return 0;
1253 }
1254
1255 static int pkey_test_run(struct evp_test *t)
1256 {
1257     struct pkey_data *kdata = t->data;
1258     unsigned char *out = NULL;
1259     size_t out_len;
1260     const char *err = "KEYOP_LENGTH_ERROR";
1261     if (kdata->keyop(kdata->ctx, NULL, &out_len, kdata->input,
1262                      kdata->input_len) <= 0)
1263         goto err;
1264     out = OPENSSL_malloc(out_len);
1265     if (!out) {
1266         fprintf(stderr, "Error allocating output buffer!\n");
1267         exit(1);
1268     }
1269     err = "KEYOP_ERROR";
1270     if (kdata->keyop
1271         (kdata->ctx, out, &out_len, kdata->input, kdata->input_len) <= 0)
1272         goto err;
1273     err = "KEYOP_LENGTH_MISMATCH";
1274     if (out_len != kdata->output_len)
1275         goto err;
1276     err = "KEYOP_MISMATCH";
1277     if (check_output(t, kdata->output, out, out_len))
1278         goto err;
1279     err = NULL;
1280  err:
1281     OPENSSL_free(out);
1282     t->err = err;
1283     return 1;
1284 }
1285
1286 static int sign_test_init(struct evp_test *t, const char *name)
1287 {
1288     return pkey_test_init(t, name, 0, EVP_PKEY_sign_init, EVP_PKEY_sign);
1289 }
1290
1291 static const struct evp_test_method psign_test_method = {
1292     "Sign",
1293     sign_test_init,
1294     pkey_test_cleanup,
1295     pkey_test_parse,
1296     pkey_test_run
1297 };
1298
1299 static int verify_recover_test_init(struct evp_test *t, const char *name)
1300 {
1301     return pkey_test_init(t, name, 1, EVP_PKEY_verify_recover_init,
1302                           EVP_PKEY_verify_recover);
1303 }
1304
1305 static const struct evp_test_method pverify_recover_test_method = {
1306     "VerifyRecover",
1307     verify_recover_test_init,
1308     pkey_test_cleanup,
1309     pkey_test_parse,
1310     pkey_test_run
1311 };
1312
1313 static int decrypt_test_init(struct evp_test *t, const char *name)
1314 {
1315     return pkey_test_init(t, name, 0, EVP_PKEY_decrypt_init,
1316                           EVP_PKEY_decrypt);
1317 }
1318
1319 static const struct evp_test_method pdecrypt_test_method = {
1320     "Decrypt",
1321     decrypt_test_init,
1322     pkey_test_cleanup,
1323     pkey_test_parse,
1324     pkey_test_run
1325 };
1326
1327 static int verify_test_init(struct evp_test *t, const char *name)
1328 {
1329     return pkey_test_init(t, name, 1, EVP_PKEY_verify_init, 0);
1330 }
1331
1332 static int verify_test_run(struct evp_test *t)
1333 {
1334     struct pkey_data *kdata = t->data;
1335     if (EVP_PKEY_verify(kdata->ctx, kdata->output, kdata->output_len,
1336                         kdata->input, kdata->input_len) <= 0)
1337         t->err = "VERIFY_ERROR";
1338     return 1;
1339 }
1340
1341 static const struct evp_test_method pverify_test_method = {
1342     "Verify",
1343     verify_test_init,
1344     pkey_test_cleanup,
1345     pkey_test_parse,
1346     verify_test_run
1347 };
1348
1349
1350 static int pderive_test_init(struct evp_test *t, const char *name)
1351 {
1352     return pkey_test_init(t, name, 0, EVP_PKEY_derive_init, 0);
1353 }
1354
1355 static int pderive_test_parse(struct evp_test *t,
1356                               const char *keyword, const char *value)
1357 {
1358     struct pkey_data *kdata = t->data;
1359
1360     if (strcmp(keyword, "PeerKey") == 0) {
1361         EVP_PKEY *peer;
1362         if (find_key(&peer, value, t->public) == 0)
1363             return 0;
1364         if (EVP_PKEY_derive_set_peer(kdata->ctx, peer) <= 0)
1365             return 0;
1366         return 1;
1367     }
1368     if (strcmp(keyword, "SharedSecret") == 0)
1369         return test_bin(value, &kdata->output, &kdata->output_len);
1370     if (strcmp(keyword, "Ctrl") == 0)
1371         return pkey_test_ctrl(kdata->ctx, value);
1372     return 0;
1373 }
1374
1375 static int pderive_test_run(struct evp_test *t)
1376 {
1377     struct pkey_data *kdata = t->data;
1378     unsigned char *out = NULL;
1379     size_t out_len;
1380     const char *err = "INTERNAL_ERROR";
1381
1382     out_len = kdata->output_len;
1383     out = OPENSSL_malloc(out_len);
1384     if (!out) {
1385         fprintf(stderr, "Error allocating output buffer!\n");
1386         exit(1);
1387     }
1388     err = "DERIVE_ERROR";
1389     if (EVP_PKEY_derive(kdata->ctx, out, &out_len) <= 0)
1390         goto err;
1391     err = "SHARED_SECRET_LENGTH_MISMATCH";
1392     if (out_len != kdata->output_len)
1393         goto err;
1394     err = "SHARED_SECRET_MISMATCH";
1395     if (check_output(t, kdata->output, out, out_len))
1396         goto err;
1397     err = NULL;
1398  err:
1399     OPENSSL_free(out);
1400     t->err = err;
1401     return 1;
1402 }
1403
1404 static const struct evp_test_method pderive_test_method = {
1405     "Derive",
1406     pderive_test_init,
1407     pkey_test_cleanup,
1408     pderive_test_parse,
1409     pderive_test_run
1410 };
1411
1412 /* PBE tests */
1413
1414 #define PBE_TYPE_SCRYPT 1
1415 #define PBE_TYPE_PBKDF2 2
1416 #define PBE_TYPE_PKCS12 3
1417
1418 struct pbe_data {
1419
1420     int pbe_type;
1421
1422     /* scrypt parameters */
1423     uint64_t N, r, p, maxmem;
1424
1425     /* PKCS#12 parameters */
1426     int id, iter;
1427     const EVP_MD *md;
1428
1429     /* password */
1430     unsigned char *pass;
1431     size_t pass_len;
1432
1433     /* salt */
1434     unsigned char *salt;
1435     size_t salt_len;
1436
1437     /* Expected output */
1438     unsigned char *key;
1439     size_t key_len;
1440 };
1441
1442 #ifndef OPENSSL_NO_SCRYPT
1443 static int scrypt_test_parse(struct evp_test *t,
1444                              const char *keyword, const char *value)
1445 {
1446     struct pbe_data *pdata = t->data;
1447
1448     if (strcmp(keyword, "N") == 0)
1449         return test_uint64(value, &pdata->N);
1450     if (strcmp(keyword, "p") == 0)
1451         return test_uint64(value, &pdata->p);
1452     if (strcmp(keyword, "r") == 0)
1453         return test_uint64(value, &pdata->r);
1454     if (strcmp(keyword, "maxmem") == 0)
1455         return test_uint64(value, &pdata->maxmem);
1456     return 0;
1457 }
1458 #endif
1459
1460 static int pbkdf2_test_parse(struct evp_test *t,
1461                              const char *keyword, const char *value)
1462 {
1463     struct pbe_data *pdata = t->data;
1464
1465     if (strcmp(keyword, "iter") == 0) {
1466         pdata->iter = atoi(value);
1467         if (pdata->iter <= 0)
1468             return 0;
1469         return 1;
1470     }
1471     if (strcmp(keyword, "MD") == 0) {
1472         pdata->md = EVP_get_digestbyname(value);
1473         if (pdata->md == NULL)
1474             return 0;
1475         return 1;
1476     }
1477     return 0;
1478 }
1479
1480 static int pkcs12_test_parse(struct evp_test *t,
1481                              const char *keyword, const char *value)
1482 {
1483     struct pbe_data *pdata = t->data;
1484
1485     if (strcmp(keyword, "id") == 0) {
1486         pdata->id = atoi(value);
1487         if (pdata->id <= 0)
1488             return 0;
1489         return 1;
1490     }
1491     return pbkdf2_test_parse(t, keyword, value);
1492 }
1493
1494 static int pbe_test_init(struct evp_test *t, const char *alg)
1495 {
1496     struct pbe_data *pdat;
1497     int pbe_type = 0;
1498
1499 #ifndef OPENSSL_NO_SCRYPT
1500     if (strcmp(alg, "scrypt") == 0)
1501         pbe_type = PBE_TYPE_SCRYPT;
1502 #endif
1503     else if (strcmp(alg, "pbkdf2") == 0)
1504         pbe_type = PBE_TYPE_PBKDF2;
1505     else if (strcmp(alg, "pkcs12") == 0)
1506         pbe_type = PBE_TYPE_PKCS12;
1507     else
1508         fprintf(stderr, "Unknown pbe algorithm %s\n", alg);
1509     pdat = OPENSSL_malloc(sizeof(*pdat));
1510     pdat->pbe_type = pbe_type;
1511     pdat->pass = NULL;
1512     pdat->salt = NULL;
1513     pdat->N = 0;
1514     pdat->r = 0;
1515     pdat->p = 0;
1516     pdat->maxmem = 0;
1517     pdat->id = 0;
1518     pdat->iter = 0;
1519     pdat->md = NULL;
1520     t->data = pdat;
1521     return 1;
1522 }
1523
1524 static void pbe_test_cleanup(struct evp_test *t)
1525 {
1526     struct pbe_data *pdat = t->data;
1527     test_free(pdat->pass);
1528     test_free(pdat->salt);
1529     test_free(pdat->key);
1530 }
1531
1532 static int pbe_test_parse(struct evp_test *t,
1533                              const char *keyword, const char *value)
1534 {
1535     struct pbe_data *pdata = t->data;
1536
1537     if (strcmp(keyword, "Password") == 0)
1538         return test_bin(value, &pdata->pass, &pdata->pass_len);
1539     if (strcmp(keyword, "Salt") == 0)
1540         return test_bin(value, &pdata->salt, &pdata->salt_len);
1541     if (strcmp(keyword, "Key") == 0)
1542         return test_bin(value, &pdata->key, &pdata->key_len);
1543     if (pdata->pbe_type == PBE_TYPE_PBKDF2)
1544         return pbkdf2_test_parse(t, keyword, value);
1545     else if (pdata->pbe_type == PBE_TYPE_PKCS12)
1546         return pkcs12_test_parse(t, keyword, value);
1547 #ifndef OPENSSL_NO_SCRYPT
1548     else if (pdata->pbe_type == PBE_TYPE_SCRYPT)
1549         return scrypt_test_parse(t, keyword, value);
1550 #endif
1551     return 0;
1552 }
1553
1554 static int pbe_test_run(struct evp_test *t)
1555 {
1556     struct pbe_data *pdata = t->data;
1557     const char *err = "INTERNAL_ERROR";
1558     unsigned char *key;
1559
1560     key = OPENSSL_malloc(pdata->key_len);
1561     if (!key)
1562         goto err;
1563     if (pdata->pbe_type == PBE_TYPE_PBKDF2) {
1564         err = "PBKDF2_ERROR";
1565         if (PKCS5_PBKDF2_HMAC((char *)pdata->pass, pdata->pass_len,
1566                               pdata->salt, pdata->salt_len,
1567                               pdata->iter, pdata->md,
1568                               pdata->key_len, key) == 0)
1569             goto err;
1570 #ifndef OPENSSL_NO_SCRYPT
1571     } else if (pdata->pbe_type == PBE_TYPE_SCRYPT) {
1572         err = "SCRYPT_ERROR";
1573         if (EVP_PBE_scrypt((const char *)pdata->pass, pdata->pass_len,
1574                            pdata->salt, pdata->salt_len,
1575                            pdata->N, pdata->r, pdata->p, pdata->maxmem,
1576                            key, pdata->key_len) == 0)
1577             goto err;
1578 #endif
1579     } else if (pdata->pbe_type == PBE_TYPE_PKCS12) {
1580         err = "PKCS12_ERROR";
1581         if (PKCS12_key_gen_uni(pdata->pass, pdata->pass_len,
1582                                pdata->salt, pdata->salt_len,
1583                                pdata->id, pdata->iter, pdata->key_len,
1584                                key, pdata->md) == 0)
1585             goto err;
1586     }
1587     err = "KEY_MISMATCH";
1588     if (check_output(t, pdata->key, key, pdata->key_len))
1589         goto err;
1590     err = NULL;
1591     err:
1592     OPENSSL_free(key);
1593     t->err = err;
1594     return 1;
1595 }
1596
1597 static const struct evp_test_method pbe_test_method = {
1598     "PBE",
1599     pbe_test_init,
1600     pbe_test_cleanup,
1601     pbe_test_parse,
1602     pbe_test_run
1603 };
1604
1605 /* Base64 tests */
1606
1607 typedef enum {
1608     BASE64_CANONICAL_ENCODING = 0,
1609     BASE64_VALID_ENCODING = 1,
1610     BASE64_INVALID_ENCODING = 2
1611 } base64_encoding_type;
1612
1613 struct encode_data {
1614     /* Input to encoding */
1615     unsigned char *input;
1616     size_t input_len;
1617     /* Expected output */
1618     unsigned char *output;
1619     size_t output_len;
1620     base64_encoding_type encoding;
1621 };
1622
1623 static int encode_test_init(struct evp_test *t, const char *encoding)
1624 {
1625     struct encode_data *edata = OPENSSL_zalloc(sizeof(*edata));
1626
1627     if (strcmp(encoding, "canonical") == 0) {
1628         edata->encoding = BASE64_CANONICAL_ENCODING;
1629     } else if (strcmp(encoding, "valid") == 0) {
1630         edata->encoding = BASE64_VALID_ENCODING;
1631     } else if (strcmp(encoding, "invalid") == 0) {
1632         edata->encoding = BASE64_INVALID_ENCODING;
1633         t->expected_err = OPENSSL_strdup("DECODE_ERROR");
1634         if (t->expected_err == NULL)
1635             return 0;
1636     } else {
1637         fprintf(stderr, "Bad encoding: %s. Should be one of "
1638                 "{canonical, valid, invalid}\n", encoding);
1639         return 0;
1640     }
1641     t->data = edata;
1642     return 1;
1643 }
1644
1645 static void encode_test_cleanup(struct evp_test *t)
1646 {
1647     struct encode_data *edata = t->data;
1648     test_free(edata->input);
1649     test_free(edata->output);
1650     memset(edata, 0, sizeof(*edata));
1651 }
1652
1653 static int encode_test_parse(struct evp_test *t,
1654                              const char *keyword, const char *value)
1655 {
1656     struct encode_data *edata = t->data;
1657     if (strcmp(keyword, "Input") == 0)
1658         return test_bin(value, &edata->input, &edata->input_len);
1659     if (strcmp(keyword, "Output") == 0)
1660         return test_bin(value, &edata->output, &edata->output_len);
1661     return 0;
1662 }
1663
1664 static int encode_test_run(struct evp_test *t)
1665 {
1666     struct encode_data *edata = t->data;
1667     unsigned char *encode_out = NULL, *decode_out = NULL;
1668     int output_len, chunk_len;
1669     const char *err = "INTERNAL_ERROR";
1670     EVP_ENCODE_CTX *decode_ctx = EVP_ENCODE_CTX_new();
1671
1672     if (decode_ctx == NULL)
1673         goto err;
1674
1675     if (edata->encoding == BASE64_CANONICAL_ENCODING) {
1676         EVP_ENCODE_CTX *encode_ctx = EVP_ENCODE_CTX_new();
1677         if (encode_ctx == NULL)
1678             goto err;
1679         encode_out = OPENSSL_malloc(EVP_ENCODE_LENGTH(edata->input_len));
1680         if (encode_out == NULL)
1681             goto err;
1682
1683         EVP_EncodeInit(encode_ctx);
1684         EVP_EncodeUpdate(encode_ctx, encode_out, &chunk_len,
1685                          edata->input, edata->input_len);
1686         output_len = chunk_len;
1687
1688         EVP_EncodeFinal(encode_ctx, encode_out + chunk_len, &chunk_len);
1689         output_len += chunk_len;
1690
1691         EVP_ENCODE_CTX_free(encode_ctx);
1692
1693         if (check_var_length_output(t, edata->output, edata->output_len,
1694                                     encode_out, output_len)) {
1695             err = "BAD_ENCODING";
1696             goto err;
1697         }
1698     }
1699
1700     decode_out = OPENSSL_malloc(EVP_DECODE_LENGTH(edata->output_len));
1701     if (decode_out == NULL)
1702         goto err;
1703
1704     EVP_DecodeInit(decode_ctx);
1705     if (EVP_DecodeUpdate(decode_ctx, decode_out, &chunk_len, edata->output,
1706                          edata->output_len) < 0) {
1707         err = "DECODE_ERROR";
1708         goto err;
1709     }
1710     output_len = chunk_len;
1711
1712     if (EVP_DecodeFinal(decode_ctx, decode_out + chunk_len, &chunk_len) != 1) {
1713         err = "DECODE_ERROR";
1714         goto err;
1715     }
1716     output_len += chunk_len;
1717
1718     if (edata->encoding != BASE64_INVALID_ENCODING &&
1719         check_var_length_output(t, edata->input, edata->input_len,
1720                                 decode_out, output_len)) {
1721         err = "BAD_DECODING";
1722         goto err;
1723     }
1724
1725     err = NULL;
1726  err:
1727     t->err = err;
1728     OPENSSL_free(encode_out);
1729     OPENSSL_free(decode_out);
1730     EVP_ENCODE_CTX_free(decode_ctx);
1731     return 1;
1732 }
1733
1734 static const struct evp_test_method encode_test_method = {
1735     "Encoding",
1736     encode_test_init,
1737     encode_test_cleanup,
1738     encode_test_parse,
1739     encode_test_run,
1740 };
1741
1742 /* KDF operations */
1743
1744 struct kdf_data {
1745     /* Context for this operation */
1746     EVP_PKEY_CTX *ctx;
1747     /* Expected output */
1748     unsigned char *output;
1749     size_t output_len;
1750 };
1751
1752 /*
1753  * Perform public key operation setup: lookup key, allocated ctx and call
1754  * the appropriate initialisation function
1755  */
1756 static int kdf_test_init(struct evp_test *t, const char *name)
1757 {
1758     struct kdf_data *kdata;
1759
1760     kdata = OPENSSL_malloc(sizeof(*kdata));
1761     if (kdata == NULL)
1762         return 0;
1763     kdata->ctx = NULL;
1764     kdata->output = NULL;
1765     t->data = kdata;
1766     kdata->ctx = EVP_PKEY_CTX_new_id(OBJ_sn2nid(name), NULL);
1767     if (kdata->ctx == NULL)
1768         return 0;
1769     if (EVP_PKEY_derive_init(kdata->ctx) <= 0)
1770         return 0;
1771     return 1;
1772 }
1773
1774 static void kdf_test_cleanup(struct evp_test *t)
1775 {
1776     struct kdf_data *kdata = t->data;
1777     OPENSSL_free(kdata->output);
1778     EVP_PKEY_CTX_free(kdata->ctx);
1779 }
1780
1781 static int kdf_test_parse(struct evp_test *t,
1782                           const char *keyword, const char *value)
1783 {
1784     struct kdf_data *kdata = t->data;
1785     if (strcmp(keyword, "Output") == 0)
1786         return test_bin(value, &kdata->output, &kdata->output_len);
1787     if (strncmp(keyword, "Ctrl", 4) == 0)
1788         return pkey_test_ctrl(kdata->ctx, value);
1789     return 0;
1790 }
1791
1792 static int kdf_test_run(struct evp_test *t)
1793 {
1794     struct kdf_data *kdata = t->data;
1795     unsigned char *out = NULL;
1796     size_t out_len = kdata->output_len;
1797     const char *err = "INTERNAL_ERROR";
1798     out = OPENSSL_malloc(out_len);
1799     if (!out) {
1800         fprintf(stderr, "Error allocating output buffer!\n");
1801         exit(1);
1802     }
1803     err = "KDF_DERIVE_ERROR";
1804     if (EVP_PKEY_derive(kdata->ctx, out, &out_len) <= 0)
1805         goto err;
1806     err = "KDF_LENGTH_MISMATCH";
1807     if (out_len != kdata->output_len)
1808         goto err;
1809     err = "KDF_MISMATCH";
1810     if (check_output(t, kdata->output, out, out_len))
1811         goto err;
1812     err = NULL;
1813  err:
1814     OPENSSL_free(out);
1815     t->err = err;
1816     return 1;
1817 }
1818
1819 static const struct evp_test_method kdf_test_method = {
1820     "KDF",
1821     kdf_test_init,
1822     kdf_test_cleanup,
1823     kdf_test_parse,
1824     kdf_test_run
1825 };