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 = OPENSSL_hexstr2buf(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 #ifndef OPENSSL_NO_SCRYPT
 213 /* Currently only used by scrypt tests */
 214 /* Parse unsigned decimal 64 bit integer value */
 215 static int test_uint64(const char *value, uint64_t *pr)
 216 {
 217     const char *p = value;
 218     if (!*p) {
 219         fprintf(stderr, "Invalid empty integer value\n");
 220         return -1;
 221     }
 222     *pr = 0;
 223     while (*p) {
 224         if (*pr > UINT64_MAX/10) {
 225             fprintf(stderr, "Integer string overflow value=%s\n", value);
 226             return -1;
 227         }
 228         *pr *= 10;
 229         if (*p < '0' || *p > '9') {
 230             fprintf(stderr, "Invalid integer string value=%s\n", value);
 231             return -1;
 232         }
 233         *pr += *p - '0';
 234         p++;
 235     }
 236     return 1;
 237 }
 238 #endif
 239
 240 /* Structure holding test information */
 241 struct evp_test {
 242     /* file being read */
 243     BIO *in;
 244     /* List of public and private keys */
 245     struct key_list *private;
 246     struct key_list *public;
 247     /* method for this test */
 248     const struct evp_test_method *meth;
 249     /* current line being processed */
 250     unsigned int line;
 251     /* start line of current test */
 252     unsigned int start_line;
 253     /* Error string for test */
 254     const char *err;
 255     /* Expected error value of test */
 256     char *expected_err;
 257     /* Number of tests */
 258     int ntests;
 259     /* Error count */
 260     int errors;
 261     /* Number of tests skipped */
 262     int nskip;
 263     /* If output mismatch expected and got value */
 264     unsigned char *out_received;
 265     size_t out_received_len;
 266     unsigned char *out_expected;
 267     size_t out_expected_len;
 268     /* test specific data */
 269     void *data;
 270     /* Current test should be skipped */
 271     int skip;
 272 };
 273
 274 struct key_list {
 275     char *name;
 276     EVP_PKEY *key;
 277     struct key_list *next;
 278 };
 279
 280 /* Test method structure */
 281 struct evp_test_method {
 282     /* Name of test as it appears in file */
 283     const char *name;
 284     /* Initialise test for "alg" */
 285     int (*init) (struct evp_test * t, const char *alg);
 286     /* Clean up method */
 287     void (*cleanup) (struct evp_test * t);
 288     /* Test specific name value pair processing */
 289     int (*parse) (struct evp_test * t, const char *name, const char *value);
 290     /* Run the test itself */
 291     int (*run_test) (struct evp_test * t);
 292 };
 293
 294 static const struct evp_test_method digest_test_method, cipher_test_method;
 295 static const struct evp_test_method mac_test_method;
 296 static const struct evp_test_method psign_test_method, pverify_test_method;
 297 static const struct evp_test_method pdecrypt_test_method;
 298 static const struct evp_test_method pverify_recover_test_method;
 299 static const struct evp_test_method pderive_test_method;
 300 static const struct evp_test_method pbe_test_method;
 301 static const struct evp_test_method encode_test_method;
 302 static const struct evp_test_method kdf_test_method;
 303
 304 static const struct evp_test_method *evp_test_list[] = {
 305     &digest_test_method,
 306     &cipher_test_method,
 307     &mac_test_method,
 308     &psign_test_method,
 309     &pverify_test_method,
 310     &pdecrypt_test_method,
 311     &pverify_recover_test_method,
 312     &pderive_test_method,
 313     &pbe_test_method,
 314     &encode_test_method,
 315     &kdf_test_method,
 316     NULL
 317 };
 318
 319 static const struct evp_test_method *evp_find_test(const char *name)
 320 {
 321     const struct evp_test_method **tt;
 322
 323     for (tt = evp_test_list; *tt; tt++) {
 324         if (strcmp(name, (*tt)->name) == 0)
 325             return *tt;
 326     }
 327     return NULL;
 328 }
 329
 330 static void hex_print(const char *name, const unsigned char *buf, size_t len)
 331 {
 332     size_t i;
 333     fprintf(stderr, "%s ", name);
 334     for (i = 0; i < len; i++)
 335         fprintf(stderr, "%02X", buf[i]);
 336     fputs("\n", stderr);
 337 }
 338
 339 static void free_expected(struct evp_test *t)
 340 {
 341     OPENSSL_free(t->expected_err);
 342     t->expected_err = NULL;
 343     OPENSSL_free(t->out_expected);
 344     OPENSSL_free(t->out_received);
 345     t->out_expected = NULL;
 346     t->out_received = NULL;
 347     t->out_expected_len = 0;
 348     t->out_received_len = 0;
 349     /* Literals. */
 350     t->err = NULL;
 351 }
 352
 353 static void print_expected(struct evp_test *t)
 354 {
 355     if (t->out_expected == NULL && t->out_received == NULL)
 356         return;
 357     hex_print("Expected:", t->out_expected, t->out_expected_len);
 358     hex_print("Got:     ", t->out_received, t->out_received_len);
 359     free_expected(t);
 360 }
 361
 362 static int check_test_error(struct evp_test *t)
 363 {
 364     if (!t->err && !t->expected_err)
 365         return 1;
 366     if (t->err && !t->expected_err) {
 367         fprintf(stderr, "Test line %d: unexpected error %s\n",
 368                 t->start_line, t->err);
 369         print_expected(t);
 370         return 0;
 371     }
 372     if (!t->err && t->expected_err) {
 373         fprintf(stderr, "Test line %d: succeeded expecting %s\n",
 374                 t->start_line, t->expected_err);
 375         return 0;
 376     }
 377     if (strcmp(t->err, t->expected_err) == 0)
 378         return 1;
 379
 380     fprintf(stderr, "Test line %d: expecting %s got %s\n",
 381             t->start_line, t->expected_err, t->err);
 382     return 0;
 383 }
 384
 385 /* Setup a new test, run any existing test */
 386
 387 static int setup_test(struct evp_test *t, const struct evp_test_method *tmeth)
 388 {
 389     /* If we already have a test set up run it */
 390     if (t->meth) {
 391         t->ntests++;
 392         if (t->skip) {
 393             t->meth = tmeth;
 394             t->nskip++;
 395             return 1;
 396         }
 397         t->err = NULL;
 398         if (t->meth->run_test(t) != 1) {
 399             fprintf(stderr, "%s test error line %d\n",
 400                     t->meth->name, t->start_line);
 401             return 0;
 402         }
 403         if (!check_test_error(t)) {
 404             if (t->err)
 405                 ERR_print_errors_fp(stderr);
 406             t->errors++;
 407         }
 408         ERR_clear_error();
 409         t->meth->cleanup(t);
 410         OPENSSL_free(t->data);
 411         t->data = NULL;
 412         OPENSSL_free(t->expected_err);
 413         t->expected_err = NULL;
 414         free_expected(t);
 415     }
 416     t->meth = tmeth;
 417     return 1;
 418 }
 419
 420 static int find_key(EVP_PKEY **ppk, const char *name, struct key_list *lst)
 421 {
 422     for (; lst; lst = lst->next) {
 423         if (strcmp(lst->name, name) == 0) {
 424             if (ppk)
 425                 *ppk = lst->key;
 426             return 1;
 427         }
 428     }
 429     return 0;
 430 }
 431
 432 static void free_key_list(struct key_list *lst)
 433 {
 434     while (lst != NULL) {
 435         struct key_list *ltmp;
 436         EVP_PKEY_free(lst->key);
 437         OPENSSL_free(lst->name);
 438         ltmp = lst->next;
 439         OPENSSL_free(lst);
 440         lst = ltmp;
 441     }
 442 }
 443
 444 static int check_unsupported()
 445 {
 446     long err = ERR_peek_error();
 447     if (ERR_GET_LIB(err) == ERR_LIB_EVP
 448         && ERR_GET_REASON(err) == EVP_R_UNSUPPORTED_ALGORITHM) {
 449         ERR_clear_error();
 450         return 1;
 451     }
 452     return 0;
 453 }
 454
 455 static int process_test(struct evp_test *t, char *buf, int verbose)
 456 {
 457     char *keyword = NULL, *value = NULL;
 458     int rv = 0, add_key = 0;
 459     long save_pos = 0;
 460     struct key_list **lst = NULL, *key = NULL;
 461     EVP_PKEY *pk = NULL;
 462     const struct evp_test_method *tmeth = NULL;
 463     if (verbose)
 464         fputs(buf, stdout);
 465     if (!parse_line(&keyword, &value, buf))
 466         return 1;
 467     if (strcmp(keyword, "PrivateKey") == 0) {
 468         save_pos = BIO_tell(t->in);
 469         pk = PEM_read_bio_PrivateKey(t->in, NULL, 0, NULL);
 470         if (pk == NULL && !check_unsupported()) {
 471             fprintf(stderr, "Error reading private key %s\n", value);
 472             ERR_print_errors_fp(stderr);
 473             return 0;
 474         }
 475         lst = &t->private;
 476         add_key = 1;
 477     }
 478     if (strcmp(keyword, "PublicKey") == 0) {
 479         save_pos = BIO_tell(t->in);
 480         pk = PEM_read_bio_PUBKEY(t->in, NULL, 0, NULL);
 481         if (pk == NULL && !check_unsupported()) {
 482             fprintf(stderr, "Error reading public key %s\n", value);
 483             ERR_print_errors_fp(stderr);
 484             return 0;
 485         }
 486         lst = &t->public;
 487         add_key = 1;
 488     }
 489     /* If we have a key add to list */
 490     if (add_key) {
 491         char tmpbuf[80];
 492         if (find_key(NULL, value, *lst)) {
 493             fprintf(stderr, "Duplicate key %s\n", value);
 494             return 0;
 495         }
 496         key = OPENSSL_malloc(sizeof(*key));
 497         if (!key)
 498             return 0;
 499         key->name = OPENSSL_strdup(value);
 500         key->key = pk;
 501         key->next = *lst;
 502         *lst = key;
 503         /* Rewind input, read to end and update line numbers */
 504         (void)BIO_seek(t->in, save_pos);
 505         while (BIO_gets(t->in,tmpbuf, sizeof(tmpbuf))) {
 506             t->line++;
 507             if (strncmp(tmpbuf, "-----END", 8) == 0)
 508                 return 1;
 509         }
 510         fprintf(stderr, "Can't find key end\n");
 511         return 0;
 512     }
 513
 514     /* See if keyword corresponds to a test start */
 515     tmeth = evp_find_test(keyword);
 516     if (tmeth) {
 517         if (!setup_test(t, tmeth))
 518             return 0;
 519         t->start_line = t->line;
 520         t->skip = 0;
 521         if (!tmeth->init(t, value)) {
 522             fprintf(stderr, "Unknown %s: %s\n", keyword, value);
 523             return 0;
 524         }
 525         return 1;
 526     } else if (t->skip) {
 527         return 1;
 528     } else if (strcmp(keyword, "Result") == 0) {
 529         if (t->expected_err) {
 530             fprintf(stderr, "Line %d: multiple result lines\n", t->line);
 531             return 0;
 532         }
 533         t->expected_err = OPENSSL_strdup(value);
 534         if (!t->expected_err)
 535             return 0;
 536     } else {
 537         /* Must be test specific line: try to parse it */
 538         if (t->meth)
 539             rv = t->meth->parse(t, keyword, value);
 540
 541         if (rv == 0)
 542             fprintf(stderr, "line %d: unexpected keyword %s\n",
 543                     t->line, keyword);
 544
 545         if (rv < 0)
 546             fprintf(stderr, "line %d: error processing keyword %s\n",
 547                     t->line, keyword);
 548         if (rv <= 0)
 549             return 0;
 550     }
 551     return 1;
 552 }
 553
 554 static int check_var_length_output(struct evp_test *t,
 555                                    const unsigned char *expected,
 556                                    size_t expected_len,
 557                                    const unsigned char *received,
 558                                    size_t received_len)
 559 {
 560     if (expected_len == received_len &&
 561         memcmp(expected, received, expected_len) == 0) {
 562         return 0;
 563     }
 564
 565     /* The result printing code expects a non-NULL buffer. */
 566     t->out_expected = OPENSSL_memdup(expected, expected_len ? expected_len : 1);
 567     t->out_expected_len = expected_len;
 568     t->out_received = OPENSSL_memdup(received, received_len ? received_len : 1);
 569     t->out_received_len = received_len;
 570     if (t->out_expected == NULL || t->out_received == NULL) {
 571         fprintf(stderr, "Memory allocation error!\n");
 572         exit(1);
 573     }
 574     return 1;
 575 }
 576
 577 static int check_output(struct evp_test *t,
 578                         const unsigned char *expected,
 579                         const unsigned char *received,
 580                         size_t len)
 581 {
 582     return check_var_length_output(t, expected, len, received, len);
 583 }
 584
 585 int main(int argc, char **argv)
 586 {
 587     BIO *in = NULL;
 588     char buf[10240];
 589     struct evp_test t;
 590
 591     if (argc != 2) {
 592         fprintf(stderr, "usage: evp_test testfile.txt\n");
 593         return 1;
 594     }
 595
 596     CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
 597
 598     memset(&t, 0, sizeof(t));
 599     t.start_line = -1;
 600     in = BIO_new_file(argv[1], "r");
 601     t.in = in;
 602     while (BIO_gets(in, buf, sizeof(buf))) {
 603         t.line++;
 604         if (!process_test(&t, buf, 0))
 605             exit(1);
 606     }
 607     /* Run any final test we have */
 608     if (!setup_test(&t, NULL))
 609         exit(1);
 610     fprintf(stderr, "%d tests completed with %d errors, %d skipped\n",
 611             t.ntests, t.errors, t.nskip);
 612     free_key_list(t.public);
 613     free_key_list(t.private);
 614     BIO_free(in);
 615
 616 #ifndef OPENSSL_NO_CRYPTO_MDEBUG
 617     if (CRYPTO_mem_leaks_fp(stderr) <= 0)
 618         return 1;
 619 #endif
 620     if (t.errors)
 621         return 1;
 622     return 0;
 623 }
 624
 625 static void test_free(void *d)
 626 {
 627     OPENSSL_free(d);
 628 }
 629
 630 /* Message digest tests */
 631
 632 struct digest_data {
 633     /* Digest this test is for */
 634     const EVP_MD *digest;
 635     /* Input to digest */
 636     unsigned char *input;
 637     size_t input_len;
 638     /* Repeat count for input */
 639     size_t nrpt;
 640     /* Expected output */
 641     unsigned char *output;
 642     size_t output_len;
 643 };
 644
 645 static int digest_test_init(struct evp_test *t, const char *alg)
 646 {
 647     const EVP_MD *digest;
 648     struct digest_data *mdat;
 649     digest = EVP_get_digestbyname(alg);
 650     if (!digest) {
 651         /* If alg has an OID assume disabled algorithm */
 652         if (OBJ_sn2nid(alg) != NID_undef || OBJ_ln2nid(alg) != NID_undef) {
 653             t->skip = 1;
 654             return 1;
 655         }
 656         return 0;
 657     }
 658     mdat = OPENSSL_malloc(sizeof(*mdat));
 659     mdat->digest = digest;
 660     mdat->input = NULL;
 661     mdat->output = NULL;
 662     mdat->nrpt = 1;
 663     t->data = mdat;
 664     return 1;
 665 }
 666
 667 static void digest_test_cleanup(struct evp_test *t)
 668 {
 669     struct digest_data *mdat = t->data;
 670     test_free(mdat->input);
 671     test_free(mdat->output);
 672 }
 673
 674 static int digest_test_parse(struct evp_test *t,
 675                              const char *keyword, const char *value)
 676 {
 677     struct digest_data *mdata = t->data;
 678     if (strcmp(keyword, "Input") == 0)
 679         return test_bin(value, &mdata->input, &mdata->input_len);
 680     if (strcmp(keyword, "Output") == 0)
 681         return test_bin(value, &mdata->output, &mdata->output_len);
 682     if (strcmp(keyword, "Count") == 0) {
 683         long nrpt = atoi(value);
 684         if (nrpt <= 0)
 685             return 0;
 686         mdata->nrpt = (size_t)nrpt;
 687         return 1;
 688     }
 689     return 0;
 690 }
 691
 692 static int digest_test_run(struct evp_test *t)
 693 {
 694     struct digest_data *mdata = t->data;
 695     size_t i;
 696     const char *err = "INTERNAL_ERROR";
 697     EVP_MD_CTX *mctx;
 698     unsigned char md[EVP_MAX_MD_SIZE];
 699     unsigned int md_len;
 700     mctx = EVP_MD_CTX_new();
 701     if (!mctx)
 702         goto err;
 703     err = "DIGESTINIT_ERROR";
 704     if (!EVP_DigestInit_ex(mctx, mdata->digest, NULL))
 705         goto err;
 706     err = "DIGESTUPDATE_ERROR";
 707     for (i = 0; i < mdata->nrpt; i++) {
 708         if (!EVP_DigestUpdate(mctx, mdata->input, mdata->input_len))
 709             goto err;
 710     }
 711     err = "DIGESTFINAL_ERROR";
 712     if (!EVP_DigestFinal(mctx, md, &md_len))
 713         goto err;
 714     err = "DIGEST_LENGTH_MISMATCH";
 715     if (md_len != mdata->output_len)
 716         goto err;
 717     err = "DIGEST_MISMATCH";
 718     if (check_output(t, mdata->output, md, md_len))
 719         goto err;
 720     err = NULL;
 721  err:
 722     EVP_MD_CTX_free(mctx);
 723     t->err = err;
 724     return 1;
 725 }
 726
 727 static const struct evp_test_method digest_test_method = {
 728     "Digest",
 729     digest_test_init,
 730     digest_test_cleanup,
 731     digest_test_parse,
 732     digest_test_run
 733 };
 734
 735 /* Cipher tests */
 736 struct cipher_data {
 737     const EVP_CIPHER *cipher;
 738     int enc;
 739     /* EVP_CIPH_GCM_MODE, EVP_CIPH_CCM_MODE or EVP_CIPH_OCB_MODE if AEAD */
 740     int aead;
 741     unsigned char *key;
 742     size_t key_len;
 743     unsigned char *iv;
 744     size_t iv_len;
 745     unsigned char *plaintext;
 746     size_t plaintext_len;
 747     unsigned char *ciphertext;
 748     size_t ciphertext_len;
 749     /* GCM, CCM only */
 750     unsigned char *aad;
 751     size_t aad_len;
 752     unsigned char *tag;
 753     size_t tag_len;
 754 };
 755
 756 static int cipher_test_init(struct evp_test *t, const char *alg)
 757 {
 758     const EVP_CIPHER *cipher;
 759     struct cipher_data *cdat = t->data;
 760     cipher = EVP_get_cipherbyname(alg);
 761     if (!cipher) {
 762         /* If alg has an OID assume disabled algorithm */
 763         if (OBJ_sn2nid(alg) != NID_undef || OBJ_ln2nid(alg) != NID_undef) {
 764             t->skip = 1;
 765             return 1;
 766         }
 767         return 0;
 768     }
 769     cdat = OPENSSL_malloc(sizeof(*cdat));
 770     cdat->cipher = cipher;
 771     cdat->enc = -1;
 772     cdat->key = NULL;
 773     cdat->iv = NULL;
 774     cdat->ciphertext = NULL;
 775     cdat->plaintext = NULL;
 776     cdat->aad = NULL;
 777     cdat->tag = NULL;
 778     t->data = cdat;
 779     if (EVP_CIPHER_mode(cipher) == EVP_CIPH_GCM_MODE
 780         || EVP_CIPHER_mode(cipher) == EVP_CIPH_OCB_MODE
 781         || EVP_CIPHER_mode(cipher) == EVP_CIPH_CCM_MODE)
 782         cdat->aead = EVP_CIPHER_mode(cipher);
 783     else if (EVP_CIPHER_flags(cipher) & EVP_CIPH_FLAG_AEAD_CIPHER)
 784         cdat->aead = -1;
 785     else
 786         cdat->aead = 0;
 787
 788     return 1;
 789 }
 790
 791 static void cipher_test_cleanup(struct evp_test *t)
 792 {
 793     struct cipher_data *cdat = t->data;
 794     test_free(cdat->key);
 795     test_free(cdat->iv);
 796     test_free(cdat->ciphertext);
 797     test_free(cdat->plaintext);
 798     test_free(cdat->aad);
 799     test_free(cdat->tag);
 800 }
 801
 802 static int cipher_test_parse(struct evp_test *t, const char *keyword,
 803                              const char *value)
 804 {
 805     struct cipher_data *cdat = t->data;
 806     if (strcmp(keyword, "Key") == 0)
 807         return test_bin(value, &cdat->key, &cdat->key_len);
 808     if (strcmp(keyword, "IV") == 0)
 809         return test_bin(value, &cdat->iv, &cdat->iv_len);
 810     if (strcmp(keyword, "Plaintext") == 0)
 811         return test_bin(value, &cdat->plaintext, &cdat->plaintext_len);
 812     if (strcmp(keyword, "Ciphertext") == 0)
 813         return test_bin(value, &cdat->ciphertext, &cdat->ciphertext_len);
 814     if (cdat->aead) {
 815         if (strcmp(keyword, "AAD") == 0)
 816             return test_bin(value, &cdat->aad, &cdat->aad_len);
 817         if (strcmp(keyword, "Tag") == 0)
 818             return test_bin(value, &cdat->tag, &cdat->tag_len);
 819     }
 820
 821     if (strcmp(keyword, "Operation") == 0) {
 822         if (strcmp(value, "ENCRYPT") == 0)
 823             cdat->enc = 1;
 824         else if (strcmp(value, "DECRYPT") == 0)
 825             cdat->enc = 0;
 826         else
 827             return 0;
 828         return 1;
 829     }
 830     return 0;
 831 }
 832
 833 static int cipher_test_enc(struct evp_test *t, int enc)
 834 {
 835     struct cipher_data *cdat = t->data;
 836     unsigned char *in, *out, *tmp = NULL;
 837     size_t in_len, out_len;
 838     int tmplen, tmpflen;
 839     EVP_CIPHER_CTX *ctx = NULL;
 840     const char *err;
 841     err = "INTERNAL_ERROR";
 842     ctx = EVP_CIPHER_CTX_new();
 843     if (!ctx)
 844         goto err;
 845     EVP_CIPHER_CTX_set_flags(ctx, EVP_CIPHER_CTX_FLAG_WRAP_ALLOW);
 846     if (enc) {
 847         in = cdat->plaintext;
 848         in_len = cdat->plaintext_len;
 849         out = cdat->ciphertext;
 850         out_len = cdat->ciphertext_len;
 851     } else {
 852         in = cdat->ciphertext;
 853         in_len = cdat->ciphertext_len;
 854         out = cdat->plaintext;
 855         out_len = cdat->plaintext_len;
 856     }
 857     tmp = OPENSSL_malloc(in_len + 2 * EVP_MAX_BLOCK_LENGTH);
 858     if (!tmp)
 859         goto err;
 860     err = "CIPHERINIT_ERROR";
 861     if (!EVP_CipherInit_ex(ctx, cdat->cipher, NULL, NULL, NULL, enc))
 862         goto err;
 863     err = "INVALID_IV_LENGTH";
 864     if (cdat->iv) {
 865         if (cdat->aead) {
 866             if (!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_IVLEN,
 867                                      cdat->iv_len, 0))
 868                 goto err;
 869         } else if (cdat->iv_len != (size_t)EVP_CIPHER_CTX_iv_length(ctx))
 870             goto err;
 871     }
 872     if (cdat->aead) {
 873         unsigned char *tag;
 874         /*
 875          * If encrypting or OCB just set tag length initially, otherwise
 876          * set tag length and value.
 877          */
 878         if (enc || cdat->aead == EVP_CIPH_OCB_MODE) {
 879             err = "TAG_LENGTH_SET_ERROR";
 880             tag = NULL;
 881         } else {
 882             err = "TAG_SET_ERROR";
 883             tag = cdat->tag;
 884         }
 885         if (tag || cdat->aead != EVP_CIPH_GCM_MODE) {
 886             if (!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_TAG,
 887                                      cdat->tag_len, tag))
 888                 goto err;
 889         }
 890     }
 891
 892     err = "INVALID_KEY_LENGTH";
 893     if (!EVP_CIPHER_CTX_set_key_length(ctx, cdat->key_len))
 894         goto err;
 895     err = "KEY_SET_ERROR";
 896     if (!EVP_CipherInit_ex(ctx, NULL, NULL, cdat->key, cdat->iv, -1))
 897         goto err;
 898
 899     if (!enc && cdat->aead == EVP_CIPH_OCB_MODE) {
 900         if (!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_TAG,
 901                                  cdat->tag_len, cdat->tag)) {
 902             err = "TAG_SET_ERROR";
 903             goto err;
 904         }
 905     }
 906
 907     if (cdat->aead == EVP_CIPH_CCM_MODE) {
 908         if (!EVP_CipherUpdate(ctx, NULL, &tmplen, NULL, out_len)) {
 909             err = "CCM_PLAINTEXT_LENGTH_SET_ERROR";
 910             goto err;
 911         }
 912     }
 913     if (cdat->aad) {
 914         if (!EVP_CipherUpdate(ctx, NULL, &tmplen, cdat->aad, cdat->aad_len)) {
 915             err = "AAD_SET_ERROR";
 916             goto err;
 917         }
 918     }
 919     EVP_CIPHER_CTX_set_padding(ctx, 0);
 920     err = "CIPHERUPDATE_ERROR";
 921     if (!EVP_CipherUpdate(ctx, tmp, &tmplen, in, in_len))
 922         goto err;
 923     if (cdat->aead == EVP_CIPH_CCM_MODE)
 924         tmpflen = 0;
 925     else {
 926         err = "CIPHERFINAL_ERROR";
 927         if (!EVP_CipherFinal_ex(ctx, tmp + tmplen, &tmpflen))
 928             goto err;
 929     }
 930     err = "LENGTH_MISMATCH";
 931     if (out_len != (size_t)(tmplen + tmpflen))
 932         goto err;
 933     err = "VALUE_MISMATCH";
 934     if (check_output(t, out, tmp, out_len))
 935         goto err;
 936     if (enc && cdat->aead) {
 937         unsigned char rtag[16];
 938         if (cdat->tag_len > sizeof(rtag)) {
 939             err = "TAG_LENGTH_INTERNAL_ERROR";
 940             goto err;
 941         }
 942         if (!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_GET_TAG,
 943                                  cdat->tag_len, rtag)) {
 944             err = "TAG_RETRIEVE_ERROR";
 945             goto err;
 946         }
 947         if (check_output(t, cdat->tag, rtag, cdat->tag_len)) {
 948             err = "TAG_VALUE_MISMATCH";
 949             goto err;
 950         }
 951     }
 952     err = NULL;
 953  err:
 954     OPENSSL_free(tmp);
 955     EVP_CIPHER_CTX_free(ctx);
 956     t->err = err;
 957     return err ? 0 : 1;
 958 }
 959
 960 static int cipher_test_run(struct evp_test *t)
 961 {
 962     struct cipher_data *cdat = t->data;
 963     int rv;
 964     if (!cdat->key) {
 965         t->err = "NO_KEY";
 966         return 0;
 967     }
 968     if (!cdat->iv && EVP_CIPHER_iv_length(cdat->cipher)) {
 969         /* IV is optional and usually omitted in wrap mode */
 970         if (EVP_CIPHER_mode(cdat->cipher) != EVP_CIPH_WRAP_MODE) {
 971             t->err = "NO_IV";
 972             return 0;
 973         }
 974     }
 975     if (cdat->aead && !cdat->tag) {
 976         t->err = "NO_TAG";
 977         return 0;
 978     }
 979     if (cdat->enc) {
 980         rv = cipher_test_enc(t, 1);
 981         /* Not fatal errors: return */
 982         if (rv != 1) {
 983             if (rv < 0)
 984                 return 0;
 985             return 1;
 986         }
 987     }
 988     if (cdat->enc != 1) {
 989         rv = cipher_test_enc(t, 0);
 990         /* Not fatal errors: return */
 991         if (rv != 1) {
 992             if (rv < 0)
 993                 return 0;
 994             return 1;
 995         }
 996     }
 997     return 1;
 998 }
 999
1000 static const struct evp_test_method cipher_test_method = {
1001     "Cipher",
1002     cipher_test_init,
1003     cipher_test_cleanup,
1004     cipher_test_parse,
1005     cipher_test_run
1006 };
1007
1008 struct mac_data {
1009     /* MAC type */
1010     int type;
1011     /* Algorithm string for this MAC */
1012     char *alg;
1013     /* MAC key */
1014     unsigned char *key;
1015     size_t key_len;
1016     /* Input to MAC */
1017     unsigned char *input;
1018     size_t input_len;
1019     /* Expected output */
1020     unsigned char *output;
1021     size_t output_len;
1022 };
1023
1024 static int mac_test_init(struct evp_test *t, const char *alg)
1025 {
1026     int type;
1027     struct mac_data *mdat;
1028     if (strcmp(alg, "HMAC") == 0) {
1029         type = EVP_PKEY_HMAC;
1030     } else if (strcmp(alg, "CMAC") == 0) {
1031 #ifndef OPENSSL_NO_CMAC
1032         type = EVP_PKEY_CMAC;
1033 #else
1034         t->skip = 1;
1035         return 1;
1036 #endif
1037     } else
1038         return 0;
1039
1040     mdat = OPENSSL_malloc(sizeof(*mdat));
1041     mdat->type = type;
1042     mdat->alg = NULL;
1043     mdat->key = NULL;
1044     mdat->input = NULL;
1045     mdat->output = NULL;
1046     t->data = mdat;
1047     return 1;
1048 }
1049
1050 static void mac_test_cleanup(struct evp_test *t)
1051 {
1052     struct mac_data *mdat = t->data;
1053     test_free(mdat->alg);
1054     test_free(mdat->key);
1055     test_free(mdat->input);
1056     test_free(mdat->output);
1057 }
1058
1059 static int mac_test_parse(struct evp_test *t,
1060                           const char *keyword, const char *value)
1061 {
1062     struct mac_data *mdata = t->data;
1063     if (strcmp(keyword, "Key") == 0)
1064         return test_bin(value, &mdata->key, &mdata->key_len);
1065     if (strcmp(keyword, "Algorithm") == 0) {
1066         mdata->alg = OPENSSL_strdup(value);
1067         if (!mdata->alg)
1068             return 0;
1069         return 1;
1070     }
1071     if (strcmp(keyword, "Input") == 0)
1072         return test_bin(value, &mdata->input, &mdata->input_len);
1073     if (strcmp(keyword, "Output") == 0)
1074         return test_bin(value, &mdata->output, &mdata->output_len);
1075     return 0;
1076 }
1077
1078 static int mac_test_run(struct evp_test *t)
1079 {
1080     struct mac_data *mdata = t->data;
1081     const char *err = "INTERNAL_ERROR";
1082     EVP_MD_CTX *mctx = NULL;
1083     EVP_PKEY_CTX *pctx = NULL, *genctx = NULL;
1084     EVP_PKEY *key = NULL;
1085     const EVP_MD *md = NULL;
1086     unsigned char *mac = NULL;
1087     size_t mac_len;
1088
1089 #ifdef OPENSSL_NO_DES
1090     if (strstr(mdata->alg, "DES") != NULL) {
1091         /* Skip DES */
1092         err = NULL;
1093         goto err;
1094     }
1095 #endif
1096
1097     err = "MAC_PKEY_CTX_ERROR";
1098     genctx = EVP_PKEY_CTX_new_id(mdata->type, NULL);
1099     if (!genctx)
1100         goto err;
1101
1102     err = "MAC_KEYGEN_INIT_ERROR";
1103     if (EVP_PKEY_keygen_init(genctx) <= 0)
1104         goto err;
1105     if (mdata->type == EVP_PKEY_CMAC) {
1106         err = "MAC_ALGORITHM_SET_ERROR";
1107         if (EVP_PKEY_CTX_ctrl_str(genctx, "cipher", mdata->alg) <= 0)
1108             goto err;
1109     }
1110
1111     err = "MAC_KEY_SET_ERROR";
1112     if (EVP_PKEY_CTX_set_mac_key(genctx, mdata->key, mdata->key_len) <= 0)
1113         goto err;
1114
1115     err = "MAC_KEY_GENERATE_ERROR";
1116     if (EVP_PKEY_keygen(genctx, &key) <= 0)
1117         goto err;
1118     if (mdata->type == EVP_PKEY_HMAC) {
1119         err = "MAC_ALGORITHM_SET_ERROR";
1120         md = EVP_get_digestbyname(mdata->alg);
1121         if (!md)
1122             goto err;
1123     }
1124     mctx = EVP_MD_CTX_new();
1125     if (!mctx)
1126         goto err;
1127     err = "DIGESTSIGNINIT_ERROR";
1128     if (!EVP_DigestSignInit(mctx, &pctx, md, NULL, key))
1129         goto err;
1130
1131     err = "DIGESTSIGNUPDATE_ERROR";
1132     if (!EVP_DigestSignUpdate(mctx, mdata->input, mdata->input_len))
1133         goto err;
1134     err = "DIGESTSIGNFINAL_LENGTH_ERROR";
1135     if (!EVP_DigestSignFinal(mctx, NULL, &mac_len))
1136         goto err;
1137     mac = OPENSSL_malloc(mac_len);
1138     if (!mac) {
1139         fprintf(stderr, "Error allocating mac buffer!\n");
1140         exit(1);
1141     }
1142     if (!EVP_DigestSignFinal(mctx, mac, &mac_len))
1143         goto err;
1144     err = "MAC_LENGTH_MISMATCH";
1145     if (mac_len != mdata->output_len)
1146         goto err;
1147     err = "MAC_MISMATCH";
1148     if (check_output(t, mdata->output, mac, mac_len))
1149         goto err;
1150     err = NULL;
1151  err:
1152     EVP_MD_CTX_free(mctx);
1153     OPENSSL_free(mac);
1154     EVP_PKEY_CTX_free(genctx);
1155     EVP_PKEY_free(key);
1156     t->err = err;
1157     return 1;
1158 }
1159
1160 static const struct evp_test_method mac_test_method = {
1161     "MAC",
1162     mac_test_init,
1163     mac_test_cleanup,
1164     mac_test_parse,
1165     mac_test_run
1166 };
1167
1168 /*
1169  * Public key operations. These are all very similar and can share
1170  * a lot of common code.
1171  */
1172
1173 struct pkey_data {
1174     /* Context for this operation */
1175     EVP_PKEY_CTX *ctx;
1176     /* Key operation to perform */
1177     int (*keyop) (EVP_PKEY_CTX *ctx,
1178                   unsigned char *sig, size_t *siglen,
1179                   const unsigned char *tbs, size_t tbslen);
1180     /* Input to MAC */
1181     unsigned char *input;
1182     size_t input_len;
1183     /* Expected output */
1184     unsigned char *output;
1185     size_t output_len;
1186 };
1187
1188 /*
1189  * Perform public key operation setup: lookup key, allocated ctx and call
1190  * the appropriate initialisation function
1191  */
1192 static int pkey_test_init(struct evp_test *t, const char *name,
1193                           int use_public,
1194                           int (*keyopinit) (EVP_PKEY_CTX *ctx),
1195                           int (*keyop) (EVP_PKEY_CTX *ctx,
1196                                         unsigned char *sig, size_t *siglen,
1197                                         const unsigned char *tbs,
1198                                         size_t tbslen)
1199     )
1200 {
1201     struct pkey_data *kdata;
1202     EVP_PKEY *pkey = NULL;
1203     int rv = 0;
1204     if (use_public)
1205         rv = find_key(&pkey, name, t->public);
1206     if (!rv)
1207         rv = find_key(&pkey, name, t->private);
1208     if (!rv)
1209         return 0;
1210     if (!pkey) {
1211         t->skip = 1;
1212         return 1;
1213     }
1214
1215     kdata = OPENSSL_malloc(sizeof(*kdata));
1216     if (!kdata) {
1217         EVP_PKEY_free(pkey);
1218         return 0;
1219     }
1220     kdata->ctx = NULL;
1221     kdata->input = NULL;
1222     kdata->output = NULL;
1223     kdata->keyop = keyop;
1224     t->data = kdata;
1225     kdata->ctx = EVP_PKEY_CTX_new(pkey, NULL);
1226     if (!kdata->ctx)
1227         return 0;
1228     if (keyopinit(kdata->ctx) <= 0)
1229         return 0;
1230     return 1;
1231 }
1232
1233 static void pkey_test_cleanup(struct evp_test *t)
1234 {
1235     struct pkey_data *kdata = t->data;
1236
1237     OPENSSL_free(kdata->input);
1238     OPENSSL_free(kdata->output);
1239     EVP_PKEY_CTX_free(kdata->ctx);
1240 }
1241
1242 static int pkey_test_ctrl(EVP_PKEY_CTX *pctx, const char *value)
1243 {
1244     int rv;
1245     char *p, *tmpval;
1246
1247     tmpval = OPENSSL_strdup(value);
1248     if (tmpval == NULL)
1249         return 0;
1250     p = strchr(tmpval, ':');
1251     if (p != NULL)
1252         *p++ = 0;
1253     rv = EVP_PKEY_CTX_ctrl_str(pctx, tmpval, p);
1254     OPENSSL_free(tmpval);
1255     return rv > 0;
1256 }
1257
1258 static int pkey_test_parse(struct evp_test *t,
1259                            const char *keyword, const char *value)
1260 {
1261     struct pkey_data *kdata = t->data;
1262     if (strcmp(keyword, "Input") == 0)
1263         return test_bin(value, &kdata->input, &kdata->input_len);
1264     if (strcmp(keyword, "Output") == 0)
1265         return test_bin(value, &kdata->output, &kdata->output_len);
1266     if (strcmp(keyword, "Ctrl") == 0)
1267         return pkey_test_ctrl(kdata->ctx, value);
1268     return 0;
1269 }
1270
1271 static int pkey_test_run(struct evp_test *t)
1272 {
1273     struct pkey_data *kdata = t->data;
1274     unsigned char *out = NULL;
1275     size_t out_len;
1276     const char *err = "KEYOP_LENGTH_ERROR";
1277     if (kdata->keyop(kdata->ctx, NULL, &out_len, kdata->input,
1278                      kdata->input_len) <= 0)
1279         goto err;
1280     out = OPENSSL_malloc(out_len);
1281     if (!out) {
1282         fprintf(stderr, "Error allocating output buffer!\n");
1283         exit(1);
1284     }
1285     err = "KEYOP_ERROR";
1286     if (kdata->keyop
1287         (kdata->ctx, out, &out_len, kdata->input, kdata->input_len) <= 0)
1288         goto err;
1289     err = "KEYOP_LENGTH_MISMATCH";
1290     if (out_len != kdata->output_len)
1291         goto err;
1292     err = "KEYOP_MISMATCH";
1293     if (check_output(t, kdata->output, out, out_len))
1294         goto err;
1295     err = NULL;
1296  err:
1297     OPENSSL_free(out);
1298     t->err = err;
1299     return 1;
1300 }
1301
1302 static int sign_test_init(struct evp_test *t, const char *name)
1303 {
1304     return pkey_test_init(t, name, 0, EVP_PKEY_sign_init, EVP_PKEY_sign);
1305 }
1306
1307 static const struct evp_test_method psign_test_method = {
1308     "Sign",
1309     sign_test_init,
1310     pkey_test_cleanup,
1311     pkey_test_parse,
1312     pkey_test_run
1313 };
1314
1315 static int verify_recover_test_init(struct evp_test *t, const char *name)
1316 {
1317     return pkey_test_init(t, name, 1, EVP_PKEY_verify_recover_init,
1318                           EVP_PKEY_verify_recover);
1319 }
1320
1321 static const struct evp_test_method pverify_recover_test_method = {
1322     "VerifyRecover",
1323     verify_recover_test_init,
1324     pkey_test_cleanup,
1325     pkey_test_parse,
1326     pkey_test_run
1327 };
1328
1329 static int decrypt_test_init(struct evp_test *t, const char *name)
1330 {
1331     return pkey_test_init(t, name, 0, EVP_PKEY_decrypt_init,
1332                           EVP_PKEY_decrypt);
1333 }
1334
1335 static const struct evp_test_method pdecrypt_test_method = {
1336     "Decrypt",
1337     decrypt_test_init,
1338     pkey_test_cleanup,
1339     pkey_test_parse,
1340     pkey_test_run
1341 };
1342
1343 static int verify_test_init(struct evp_test *t, const char *name)
1344 {
1345     return pkey_test_init(t, name, 1, EVP_PKEY_verify_init, 0);
1346 }
1347
1348 static int verify_test_run(struct evp_test *t)
1349 {
1350     struct pkey_data *kdata = t->data;
1351     if (EVP_PKEY_verify(kdata->ctx, kdata->output, kdata->output_len,
1352                         kdata->input, kdata->input_len) <= 0)
1353         t->err = "VERIFY_ERROR";
1354     return 1;
1355 }
1356
1357 static const struct evp_test_method pverify_test_method = {
1358     "Verify",
1359     verify_test_init,
1360     pkey_test_cleanup,
1361     pkey_test_parse,
1362     verify_test_run
1363 };
1364
1365
1366 static int pderive_test_init(struct evp_test *t, const char *name)
1367 {
1368     return pkey_test_init(t, name, 0, EVP_PKEY_derive_init, 0);
1369 }
1370
1371 static int pderive_test_parse(struct evp_test *t,
1372                               const char *keyword, const char *value)
1373 {
1374     struct pkey_data *kdata = t->data;
1375
1376     if (strcmp(keyword, "PeerKey") == 0) {
1377         EVP_PKEY *peer;
1378         if (find_key(&peer, value, t->public) == 0)
1379             return 0;
1380         if (EVP_PKEY_derive_set_peer(kdata->ctx, peer) <= 0)
1381             return 0;
1382         return 1;
1383     }
1384     if (strcmp(keyword, "SharedSecret") == 0)
1385         return test_bin(value, &kdata->output, &kdata->output_len);
1386     if (strcmp(keyword, "Ctrl") == 0)
1387         return pkey_test_ctrl(kdata->ctx, value);
1388     return 0;
1389 }
1390
1391 static int pderive_test_run(struct evp_test *t)
1392 {
1393     struct pkey_data *kdata = t->data;
1394     unsigned char *out = NULL;
1395     size_t out_len;
1396     const char *err = "INTERNAL_ERROR";
1397
1398     out_len = kdata->output_len;
1399     out = OPENSSL_malloc(out_len);
1400     if (!out) {
1401         fprintf(stderr, "Error allocating output buffer!\n");
1402         exit(1);
1403     }
1404     err = "DERIVE_ERROR";
1405     if (EVP_PKEY_derive(kdata->ctx, out, &out_len) <= 0)
1406         goto err;
1407     err = "SHARED_SECRET_LENGTH_MISMATCH";
1408     if (out_len != kdata->output_len)
1409         goto err;
1410     err = "SHARED_SECRET_MISMATCH";
1411     if (check_output(t, kdata->output, out, out_len))
1412         goto err;
1413     err = NULL;
1414  err:
1415     OPENSSL_free(out);
1416     t->err = err;
1417     return 1;
1418 }
1419
1420 static const struct evp_test_method pderive_test_method = {
1421     "Derive",
1422     pderive_test_init,
1423     pkey_test_cleanup,
1424     pderive_test_parse,
1425     pderive_test_run
1426 };
1427
1428 /* PBE tests */
1429
1430 #define PBE_TYPE_SCRYPT 1
1431 #define PBE_TYPE_PBKDF2 2
1432 #define PBE_TYPE_PKCS12 3
1433
1434 struct pbe_data {
1435
1436     int pbe_type;
1437
1438     /* scrypt parameters */
1439     uint64_t N, r, p, maxmem;
1440
1441     /* PKCS#12 parameters */
1442     int id, iter;
1443     const EVP_MD *md;
1444
1445     /* password */
1446     unsigned char *pass;
1447     size_t pass_len;
1448
1449     /* salt */
1450     unsigned char *salt;
1451     size_t salt_len;
1452
1453     /* Expected output */
1454     unsigned char *key;
1455     size_t key_len;
1456 };
1457
1458 #ifndef OPENSSL_NO_SCRYPT
1459 static int scrypt_test_parse(struct evp_test *t,
1460                              const char *keyword, const char *value)
1461 {
1462     struct pbe_data *pdata = t->data;
1463
1464     if (strcmp(keyword, "N") == 0)
1465         return test_uint64(value, &pdata->N);
1466     if (strcmp(keyword, "p") == 0)
1467         return test_uint64(value, &pdata->p);
1468     if (strcmp(keyword, "r") == 0)
1469         return test_uint64(value, &pdata->r);
1470     if (strcmp(keyword, "maxmem") == 0)
1471         return test_uint64(value, &pdata->maxmem);
1472     return 0;
1473 }
1474 #endif
1475
1476 static int pbkdf2_test_parse(struct evp_test *t,
1477                              const char *keyword, const char *value)
1478 {
1479     struct pbe_data *pdata = t->data;
1480
1481     if (strcmp(keyword, "iter") == 0) {
1482         pdata->iter = atoi(value);
1483         if (pdata->iter <= 0)
1484             return 0;
1485         return 1;
1486     }
1487     if (strcmp(keyword, "MD") == 0) {
1488         pdata->md = EVP_get_digestbyname(value);
1489         if (pdata->md == NULL)
1490             return 0;
1491         return 1;
1492     }
1493     return 0;
1494 }
1495
1496 static int pkcs12_test_parse(struct evp_test *t,
1497                              const char *keyword, const char *value)
1498 {
1499     struct pbe_data *pdata = t->data;
1500
1501     if (strcmp(keyword, "id") == 0) {
1502         pdata->id = atoi(value);
1503         if (pdata->id <= 0)
1504             return 0;
1505         return 1;
1506     }
1507     return pbkdf2_test_parse(t, keyword, value);
1508 }
1509
1510 static int pbe_test_init(struct evp_test *t, const char *alg)
1511 {
1512     struct pbe_data *pdat;
1513     int pbe_type = 0;
1514
1515     if (strcmp(alg, "scrypt") == 0) {
1516 #ifndef OPENSSL_NO_SCRYPT
1517         pbe_type = PBE_TYPE_SCRYPT;
1518 #else
1519         t->skip = 1;
1520         return 1;
1521 #endif
1522     } else if (strcmp(alg, "pbkdf2") == 0) {
1523         pbe_type = PBE_TYPE_PBKDF2;
1524     } else if (strcmp(alg, "pkcs12") == 0) {
1525         pbe_type = PBE_TYPE_PKCS12;
1526     } else {
1527         fprintf(stderr, "Unknown pbe algorithm %s\n", alg);
1528     }
1529     pdat = OPENSSL_malloc(sizeof(*pdat));
1530     pdat->pbe_type = pbe_type;
1531     pdat->pass = NULL;
1532     pdat->salt = NULL;
1533     pdat->N = 0;
1534     pdat->r = 0;
1535     pdat->p = 0;
1536     pdat->maxmem = 0;
1537     pdat->id = 0;
1538     pdat->iter = 0;
1539     pdat->md = NULL;
1540     t->data = pdat;
1541     return 1;
1542 }
1543
1544 static void pbe_test_cleanup(struct evp_test *t)
1545 {
1546     struct pbe_data *pdat = t->data;
1547     test_free(pdat->pass);
1548     test_free(pdat->salt);
1549     test_free(pdat->key);
1550 }
1551
1552 static int pbe_test_parse(struct evp_test *t,
1553                              const char *keyword, const char *value)
1554 {
1555     struct pbe_data *pdata = t->data;
1556
1557     if (strcmp(keyword, "Password") == 0)
1558         return test_bin(value, &pdata->pass, &pdata->pass_len);
1559     if (strcmp(keyword, "Salt") == 0)
1560         return test_bin(value, &pdata->salt, &pdata->salt_len);
1561     if (strcmp(keyword, "Key") == 0)
1562         return test_bin(value, &pdata->key, &pdata->key_len);
1563     if (pdata->pbe_type == PBE_TYPE_PBKDF2)
1564         return pbkdf2_test_parse(t, keyword, value);
1565     else if (pdata->pbe_type == PBE_TYPE_PKCS12)
1566         return pkcs12_test_parse(t, keyword, value);
1567 #ifndef OPENSSL_NO_SCRYPT
1568     else if (pdata->pbe_type == PBE_TYPE_SCRYPT)
1569         return scrypt_test_parse(t, keyword, value);
1570 #endif
1571     return 0;
1572 }
1573
1574 static int pbe_test_run(struct evp_test *t)
1575 {
1576     struct pbe_data *pdata = t->data;
1577     const char *err = "INTERNAL_ERROR";
1578     unsigned char *key;
1579
1580     key = OPENSSL_malloc(pdata->key_len);
1581     if (!key)
1582         goto err;
1583     if (pdata->pbe_type == PBE_TYPE_PBKDF2) {
1584         err = "PBKDF2_ERROR";
1585         if (PKCS5_PBKDF2_HMAC((char *)pdata->pass, pdata->pass_len,
1586                               pdata->salt, pdata->salt_len,
1587                               pdata->iter, pdata->md,
1588                               pdata->key_len, key) == 0)
1589             goto err;
1590 #ifndef OPENSSL_NO_SCRYPT
1591     } else if (pdata->pbe_type == PBE_TYPE_SCRYPT) {
1592         err = "SCRYPT_ERROR";
1593         if (EVP_PBE_scrypt((const char *)pdata->pass, pdata->pass_len,
1594                            pdata->salt, pdata->salt_len,
1595                            pdata->N, pdata->r, pdata->p, pdata->maxmem,
1596                            key, pdata->key_len) == 0)
1597             goto err;
1598 #endif
1599     } else if (pdata->pbe_type == PBE_TYPE_PKCS12) {
1600         err = "PKCS12_ERROR";
1601         if (PKCS12_key_gen_uni(pdata->pass, pdata->pass_len,
1602                                pdata->salt, pdata->salt_len,
1603                                pdata->id, pdata->iter, pdata->key_len,
1604                                key, pdata->md) == 0)
1605             goto err;
1606     }
1607     err = "KEY_MISMATCH";
1608     if (check_output(t, pdata->key, key, pdata->key_len))
1609         goto err;
1610     err = NULL;
1611     err:
1612     OPENSSL_free(key);
1613     t->err = err;
1614     return 1;
1615 }
1616
1617 static const struct evp_test_method pbe_test_method = {
1618     "PBE",
1619     pbe_test_init,
1620     pbe_test_cleanup,
1621     pbe_test_parse,
1622     pbe_test_run
1623 };
1624
1625 /* Base64 tests */
1626
1627 typedef enum {
1628     BASE64_CANONICAL_ENCODING = 0,
1629     BASE64_VALID_ENCODING = 1,
1630     BASE64_INVALID_ENCODING = 2
1631 } base64_encoding_type;
1632
1633 struct encode_data {
1634     /* Input to encoding */
1635     unsigned char *input;
1636     size_t input_len;
1637     /* Expected output */
1638     unsigned char *output;
1639     size_t output_len;
1640     base64_encoding_type encoding;
1641 };
1642
1643 static int encode_test_init(struct evp_test *t, const char *encoding)
1644 {
1645     struct encode_data *edata = OPENSSL_zalloc(sizeof(*edata));
1646
1647     if (strcmp(encoding, "canonical") == 0) {
1648         edata->encoding = BASE64_CANONICAL_ENCODING;
1649     } else if (strcmp(encoding, "valid") == 0) {
1650         edata->encoding = BASE64_VALID_ENCODING;
1651     } else if (strcmp(encoding, "invalid") == 0) {
1652         edata->encoding = BASE64_INVALID_ENCODING;
1653         t->expected_err = OPENSSL_strdup("DECODE_ERROR");
1654         if (t->expected_err == NULL)
1655             return 0;
1656     } else {
1657         fprintf(stderr, "Bad encoding: %s. Should be one of "
1658                 "{canonical, valid, invalid}\n", encoding);
1659         return 0;
1660     }
1661     t->data = edata;
1662     return 1;
1663 }
1664
1665 static void encode_test_cleanup(struct evp_test *t)
1666 {
1667     struct encode_data *edata = t->data;
1668     test_free(edata->input);
1669     test_free(edata->output);
1670     memset(edata, 0, sizeof(*edata));
1671 }
1672
1673 static int encode_test_parse(struct evp_test *t,
1674                              const char *keyword, const char *value)
1675 {
1676     struct encode_data *edata = t->data;
1677     if (strcmp(keyword, "Input") == 0)
1678         return test_bin(value, &edata->input, &edata->input_len);
1679     if (strcmp(keyword, "Output") == 0)
1680         return test_bin(value, &edata->output, &edata->output_len);
1681     return 0;
1682 }
1683
1684 static int encode_test_run(struct evp_test *t)
1685 {
1686     struct encode_data *edata = t->data;
1687     unsigned char *encode_out = NULL, *decode_out = NULL;
1688     int output_len, chunk_len;
1689     const char *err = "INTERNAL_ERROR";
1690     EVP_ENCODE_CTX *decode_ctx = EVP_ENCODE_CTX_new();
1691
1692     if (decode_ctx == NULL)
1693         goto err;
1694
1695     if (edata->encoding == BASE64_CANONICAL_ENCODING) {
1696         EVP_ENCODE_CTX *encode_ctx = EVP_ENCODE_CTX_new();
1697         if (encode_ctx == NULL)
1698             goto err;
1699         encode_out = OPENSSL_malloc(EVP_ENCODE_LENGTH(edata->input_len));
1700         if (encode_out == NULL)
1701             goto err;
1702
1703         EVP_EncodeInit(encode_ctx);
1704         EVP_EncodeUpdate(encode_ctx, encode_out, &chunk_len,
1705                          edata->input, edata->input_len);
1706         output_len = chunk_len;
1707
1708         EVP_EncodeFinal(encode_ctx, encode_out + chunk_len, &chunk_len);
1709         output_len += chunk_len;
1710
1711         EVP_ENCODE_CTX_free(encode_ctx);
1712
1713         if (check_var_length_output(t, edata->output, edata->output_len,
1714                                     encode_out, output_len)) {
1715             err = "BAD_ENCODING";
1716             goto err;
1717         }
1718     }
1719
1720     decode_out = OPENSSL_malloc(EVP_DECODE_LENGTH(edata->output_len));
1721     if (decode_out == NULL)
1722         goto err;
1723
1724     EVP_DecodeInit(decode_ctx);
1725     if (EVP_DecodeUpdate(decode_ctx, decode_out, &chunk_len, edata->output,
1726                          edata->output_len) < 0) {
1727         err = "DECODE_ERROR";
1728         goto err;
1729     }
1730     output_len = chunk_len;
1731
1732     if (EVP_DecodeFinal(decode_ctx, decode_out + chunk_len, &chunk_len) != 1) {
1733         err = "DECODE_ERROR";
1734         goto err;
1735     }
1736     output_len += chunk_len;
1737
1738     if (edata->encoding != BASE64_INVALID_ENCODING &&
1739         check_var_length_output(t, edata->input, edata->input_len,
1740                                 decode_out, output_len)) {
1741         err = "BAD_DECODING";
1742         goto err;
1743     }
1744
1745     err = NULL;
1746  err:
1747     t->err = err;
1748     OPENSSL_free(encode_out);
1749     OPENSSL_free(decode_out);
1750     EVP_ENCODE_CTX_free(decode_ctx);
1751     return 1;
1752 }
1753
1754 static const struct evp_test_method encode_test_method = {
1755     "Encoding",
1756     encode_test_init,
1757     encode_test_cleanup,
1758     encode_test_parse,
1759     encode_test_run,
1760 };
1761
1762 /* KDF operations */
1763
1764 struct kdf_data {
1765     /* Context for this operation */
1766     EVP_PKEY_CTX *ctx;
1767     /* Expected output */
1768     unsigned char *output;
1769     size_t output_len;
1770 };
1771
1772 /*
1773  * Perform public key operation setup: lookup key, allocated ctx and call
1774  * the appropriate initialisation function
1775  */
1776 static int kdf_test_init(struct evp_test *t, const char *name)
1777 {
1778     struct kdf_data *kdata;
1779
1780     kdata = OPENSSL_malloc(sizeof(*kdata));
1781     if (kdata == NULL)
1782         return 0;
1783     kdata->ctx = NULL;
1784     kdata->output = NULL;
1785     t->data = kdata;
1786     kdata->ctx = EVP_PKEY_CTX_new_id(OBJ_sn2nid(name), NULL);
1787     if (kdata->ctx == NULL)
1788         return 0;
1789     if (EVP_PKEY_derive_init(kdata->ctx) <= 0)
1790         return 0;
1791     return 1;
1792 }
1793
1794 static void kdf_test_cleanup(struct evp_test *t)
1795 {
1796     struct kdf_data *kdata = t->data;
1797     OPENSSL_free(kdata->output);
1798     EVP_PKEY_CTX_free(kdata->ctx);
1799 }
1800
1801 static int kdf_test_parse(struct evp_test *t,
1802                           const char *keyword, const char *value)
1803 {
1804     struct kdf_data *kdata = t->data;
1805     if (strcmp(keyword, "Output") == 0)
1806         return test_bin(value, &kdata->output, &kdata->output_len);
1807     if (strncmp(keyword, "Ctrl", 4) == 0)
1808         return pkey_test_ctrl(kdata->ctx, value);
1809     return 0;
1810 }
1811
1812 static int kdf_test_run(struct evp_test *t)
1813 {
1814     struct kdf_data *kdata = t->data;
1815     unsigned char *out = NULL;
1816     size_t out_len = kdata->output_len;
1817     const char *err = "INTERNAL_ERROR";
1818     out = OPENSSL_malloc(out_len);
1819     if (!out) {
1820         fprintf(stderr, "Error allocating output buffer!\n");
1821         exit(1);
1822     }
1823     err = "KDF_DERIVE_ERROR";
1824     if (EVP_PKEY_derive(kdata->ctx, out, &out_len) <= 0)
1825         goto err;
1826     err = "KDF_LENGTH_MISMATCH";
1827     if (out_len != kdata->output_len)
1828         goto err;
1829     err = "KDF_MISMATCH";
1830     if (check_output(t, kdata->output, out, out_len))
1831         goto err;
1832     err = NULL;
1833  err:
1834     OPENSSL_free(out);
1835     t->err = err;
1836     return 1;
1837 }
1838
1839 static const struct evp_test_method kdf_test_method = {
1840     "KDF",
1841     kdf_test_init,
1842     kdf_test_cleanup,
1843     kdf_test_parse,
1844     kdf_test_run
1845 };