test/evp_test.c

   1 /*
   2  * Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the OpenSSL license (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 #include <stdio.h>
  11 #include <string.h>
  12 #include <stdlib.h>
  13 #include <ctype.h>
  14 #include <openssl/evp.h>
  15 #include <openssl/pem.h>
  16 #include <openssl/err.h>
  17 #include <openssl/x509v3.h>
  18 #include <openssl/pkcs12.h>
  19 #include <openssl/kdf.h>
  20 #include "internal/numbers.h"
  21
  22 /* Remove spaces from beginning and end of a string */
  23
  24 static void remove_space(char **pval)
  25 {
  26     unsigned char *p = (unsigned char *)*pval;
  27
  28     while (isspace(*p))
  29         p++;
  30
  31     *pval = (char *)p;
  32
  33     p = p + strlen(*pval) - 1;
  34
  35     /* Remove trailing space */
  36     while (isspace(*p))
  37         *p-- = 0;
  38 }
  39
  40 /*
  41  * Given a line of the form:
  42  *      name = value # comment
  43  * extract name and value. NB: modifies passed buffer.
  44  */
  45
  46 static int parse_line(char **pkw, char **pval, char *linebuf)
  47 {
  48     char *p;
  49
  50     p = linebuf + strlen(linebuf) - 1;
  51
  52     if (*p != '\n') {
  53         fprintf(stderr, "FATAL: missing EOL\n");
  54         exit(1);
  55     }
  56
  57     /* Look for # */
  58
  59     p = strchr(linebuf, '#');
  60
  61     if (p)
  62         *p = '\0';
  63
  64     /* Look for = sign */
  65     p = strchr(linebuf, '=');
  66
  67     /* If no '=' exit */
  68     if (!p)
  69         return 0;
  70
  71     *p++ = '\0';
  72
  73     *pkw = linebuf;
  74     *pval = p;
  75
  76     /* Remove spaces from keyword and value */
  77     remove_space(pkw);
  78     remove_space(pval);
  79
  80     return 1;
  81 }
  82
  83 /*
  84  * Unescape some escape sequences in string literals.
  85  * Return the result in a newly allocated buffer.
  86  * Currently only supports '\n'.
  87  * If the input length is 0, returns a valid 1-byte buffer, but sets
  88  * the length to 0.
  89  */
  90 static unsigned char* unescape(const char *input, size_t input_len,
  91                                size_t *out_len)
  92 {
  93     unsigned char *ret, *p;
  94     size_t i;
  95     if (input_len == 0) {
  96         *out_len = 0;
  97         return OPENSSL_zalloc(1);
  98     }
  99
 100     /* Escaping is non-expanding; over-allocate original size for simplicity. */
 101     ret = p = OPENSSL_malloc(input_len);
 102     if (ret == NULL)
 103         return NULL;
 104
 105     for (i = 0; i < input_len; i++) {
 106         if (input[i] == '\\') {
 107             if (i == input_len - 1 || input[i+1] != 'n')
 108                 goto err;
 109             *p++ = '\n';
 110             i++;
 111         } else {
 112             *p++ = input[i];
 113         }
 114     }
 115
 116     *out_len = p - ret;
 117     return ret;
 118
 119  err:
 120     OPENSSL_free(ret);
 121     return NULL;
 122 }
 123
 124 /* For a hex string "value" convert to a binary allocated buffer */
 125 static int test_bin(const char *value, unsigned char **buf, size_t *buflen)
 126 {
 127     long len;
 128
 129     *buflen = 0;
 130     if (!*value) {
 131         /*
 132          * Don't return NULL for zero length buffer.
 133          * This is needed for some tests with empty keys: HMAC_Init_ex() expects
 134          * a non-NULL key buffer even if the key length is 0, in order to detect
 135          * key reset.
 136          */
 137         *buf = OPENSSL_malloc(1);
 138         if (!*buf)
 139             return 0;
 140         **buf = 0;
 141         *buflen = 0;
 142         return 1;
 143     }
 144     /* Check for string literal */
 145     if (value[0] == '"') {
 146         size_t vlen;
 147         value++;
 148         vlen = strlen(value);
 149         if (value[vlen - 1] != '"')
 150             return 0;
 151         vlen--;
 152         *buf = unescape(value, vlen, buflen);
 153         if (*buf == NULL)
 154             return 0;
 155         return 1;
 156     }
 157
 158     *buf = OPENSSL_hexstr2buf(value, &len);
 159     if (!*buf) {
 160         fprintf(stderr, "Value=%s\n", value);
 161         ERR_print_errors_fp(stderr);
 162         return -1;
 163     }
 164     /* Size of input buffer means we'll never overflow */
 165     *buflen = len;
 166     return 1;
 167 }
 168 #ifndef OPENSSL_NO_SCRYPT
 169 /* Currently only used by scrypt tests */
 170 /* Parse unsigned decimal 64 bit integer value */
 171 static int test_uint64(const char *value, uint64_t *pr)
 172 {
 173     const char *p = value;
 174     if (!*p) {
 175         fprintf(stderr, "Invalid empty integer value\n");
 176         return -1;
 177     }
 178     *pr = 0;
 179     while (*p) {
 180         if (*pr > UINT64_MAX/10) {
 181             fprintf(stderr, "Integer string overflow value=%s\n", value);
 182             return -1;
 183         }
 184         *pr *= 10;
 185         if (*p < '0' || *p > '9') {
 186             fprintf(stderr, "Invalid integer string value=%s\n", value);
 187             return -1;
 188         }
 189         *pr += *p - '0';
 190         p++;
 191     }
 192     return 1;
 193 }
 194 #endif
 195
 196 /* Structure holding test information */
 197 struct evp_test {
 198     /* file being read */
 199     BIO *in;
 200     /* List of public and private keys */
 201     struct key_list *private;
 202     struct key_list *public;
 203     /* method for this test */
 204     const struct evp_test_method *meth;
 205     /* current line being processed */
 206     unsigned int line;
 207     /* start line of current test */
 208     unsigned int start_line;
 209     /* Error string for test */
 210     const char *err, *aux_err;
 211     /* Expected error value of test */
 212     char *expected_err;
 213     /* Number of tests */
 214     int ntests;
 215     /* Error count */
 216     int errors;
 217     /* Number of tests skipped */
 218     int nskip;
 219     /* If output mismatch expected and got value */
 220     unsigned char *out_received;
 221     size_t out_received_len;
 222     unsigned char *out_expected;
 223     size_t out_expected_len;
 224     /* test specific data */
 225     void *data;
 226     /* Current test should be skipped */
 227     int skip;
 228 };
 229
 230 struct key_list {
 231     char *name;
 232     EVP_PKEY *key;
 233     struct key_list *next;
 234 };
 235
 236 /* Test method structure */
 237 struct evp_test_method {
 238     /* Name of test as it appears in file */
 239     const char *name;
 240     /* Initialise test for "alg" */
 241     int (*init) (struct evp_test * t, const char *alg);
 242     /* Clean up method */
 243     void (*cleanup) (struct evp_test * t);
 244     /* Test specific name value pair processing */
 245     int (*parse) (struct evp_test * t, const char *name, const char *value);
 246     /* Run the test itself */
 247     int (*run_test) (struct evp_test * t);
 248 };
 249
 250 static const struct evp_test_method digest_test_method, cipher_test_method;
 251 static const struct evp_test_method mac_test_method;
 252 static const struct evp_test_method psign_test_method, pverify_test_method;
 253 static const struct evp_test_method pdecrypt_test_method;
 254 static const struct evp_test_method pverify_recover_test_method;
 255 static const struct evp_test_method pderive_test_method;
 256 static const struct evp_test_method pbe_test_method;
 257 static const struct evp_test_method encode_test_method;
 258 static const struct evp_test_method kdf_test_method;
 259
 260 static const struct evp_test_method *evp_test_list[] = {
 261     &digest_test_method,
 262     &cipher_test_method,
 263     &mac_test_method,
 264     &psign_test_method,
 265     &pverify_test_method,
 266     &pdecrypt_test_method,
 267     &pverify_recover_test_method,
 268     &pderive_test_method,
 269     &pbe_test_method,
 270     &encode_test_method,
 271     &kdf_test_method,
 272     NULL
 273 };
 274
 275 static const struct evp_test_method *evp_find_test(const char *name)
 276 {
 277     const struct evp_test_method **tt;
 278
 279     for (tt = evp_test_list; *tt; tt++) {
 280         if (strcmp(name, (*tt)->name) == 0)
 281             return *tt;
 282     }
 283     return NULL;
 284 }
 285
 286 static void hex_print(const char *name, const unsigned char *buf, size_t len)
 287 {
 288     size_t i;
 289     fprintf(stderr, "%s ", name);
 290     for (i = 0; i < len; i++)
 291         fprintf(stderr, "%02X", buf[i]);
 292     fputs("\n", stderr);
 293 }
 294
 295 static void free_expected(struct evp_test *t)
 296 {
 297     OPENSSL_free(t->expected_err);
 298     t->expected_err = NULL;
 299     OPENSSL_free(t->out_expected);
 300     OPENSSL_free(t->out_received);
 301     t->out_expected = NULL;
 302     t->out_received = NULL;
 303     t->out_expected_len = 0;
 304     t->out_received_len = 0;
 305     /* Literals. */
 306     t->err = NULL;
 307 }
 308
 309 static void print_expected(struct evp_test *t)
 310 {
 311     if (t->out_expected == NULL && t->out_received == NULL)
 312         return;
 313     hex_print("Expected:", t->out_expected, t->out_expected_len);
 314     hex_print("Got:     ", t->out_received, t->out_received_len);
 315     free_expected(t);
 316 }
 317
 318 static int check_test_error(struct evp_test *t)
 319 {
 320     if (!t->err && !t->expected_err)
 321         return 1;
 322     if (t->err && !t->expected_err) {
 323         if (t->aux_err != NULL) {
 324             fprintf(stderr, "Test line %d(%s): unexpected error %s\n",
 325                     t->start_line, t->aux_err, t->err);
 326         } else {
 327             fprintf(stderr, "Test line %d: unexpected error %s\n",
 328                     t->start_line, t->err);
 329         }
 330         print_expected(t);
 331         return 0;
 332     }
 333     if (!t->err && t->expected_err) {
 334         fprintf(stderr, "Test line %d: succeeded expecting %s\n",
 335                 t->start_line, t->expected_err);
 336         return 0;
 337     }
 338     if (strcmp(t->err, t->expected_err) == 0)
 339         return 1;
 340
 341     fprintf(stderr, "Test line %d: expecting %s got %s\n",
 342             t->start_line, t->expected_err, t->err);
 343     return 0;
 344 }
 345
 346 /* Setup a new test, run any existing test */
 347
 348 static int setup_test(struct evp_test *t, const struct evp_test_method *tmeth)
 349 {
 350     /* If we already have a test set up run it */
 351     if (t->meth) {
 352         t->ntests++;
 353         if (t->skip) {
 354             t->meth = tmeth;
 355             t->nskip++;
 356             return 1;
 357         }
 358         t->err = NULL;
 359         if (t->meth->run_test(t) != 1) {
 360             fprintf(stderr, "%s test error line %d\n",
 361                     t->meth->name, t->start_line);
 362             return 0;
 363         }
 364         if (!check_test_error(t)) {
 365             if (t->err)
 366                 ERR_print_errors_fp(stderr);
 367             t->errors++;
 368         }
 369         ERR_clear_error();
 370         t->meth->cleanup(t);
 371         OPENSSL_free(t->data);
 372         t->data = NULL;
 373         OPENSSL_free(t->expected_err);
 374         t->expected_err = NULL;
 375         free_expected(t);
 376     }
 377     t->meth = tmeth;
 378     return 1;
 379 }
 380
 381 static int find_key(EVP_PKEY **ppk, const char *name, struct key_list *lst)
 382 {
 383     for (; lst; lst = lst->next) {
 384         if (strcmp(lst->name, name) == 0) {
 385             if (ppk)
 386                 *ppk = lst->key;
 387             return 1;
 388         }
 389     }
 390     return 0;
 391 }
 392
 393 static void free_key_list(struct key_list *lst)
 394 {
 395     while (lst != NULL) {
 396         struct key_list *ltmp;
 397         EVP_PKEY_free(lst->key);
 398         OPENSSL_free(lst->name);
 399         ltmp = lst->next;
 400         OPENSSL_free(lst);
 401         lst = ltmp;
 402     }
 403 }
 404
 405 static int check_unsupported()
 406 {
 407     long err = ERR_peek_error();
 408     if (ERR_GET_LIB(err) == ERR_LIB_EVP
 409         && ERR_GET_REASON(err) == EVP_R_UNSUPPORTED_ALGORITHM) {
 410         ERR_clear_error();
 411         return 1;
 412     }
 413     return 0;
 414 }
 415
 416 static int process_test(struct evp_test *t, char *buf, int verbose)
 417 {
 418     char *keyword = NULL, *value = NULL;
 419     int rv = 0, add_key = 0;
 420     long save_pos = 0;
 421     struct key_list **lst = NULL, *key = NULL;
 422     EVP_PKEY *pk = NULL;
 423     const struct evp_test_method *tmeth = NULL;
 424     if (verbose)
 425         fputs(buf, stdout);
 426     if (!parse_line(&keyword, &value, buf))
 427         return 1;
 428     if (strcmp(keyword, "PrivateKey") == 0) {
 429         save_pos = BIO_tell(t->in);
 430         pk = PEM_read_bio_PrivateKey(t->in, NULL, 0, NULL);
 431         if (pk == NULL && !check_unsupported()) {
 432             fprintf(stderr, "Error reading private key %s\n", value);
 433             ERR_print_errors_fp(stderr);
 434             return 0;
 435         }
 436         lst = &t->private;
 437         add_key = 1;
 438     }
 439     if (strcmp(keyword, "PublicKey") == 0) {
 440         save_pos = BIO_tell(t->in);
 441         pk = PEM_read_bio_PUBKEY(t->in, NULL, 0, NULL);
 442         if (pk == NULL && !check_unsupported()) {
 443             fprintf(stderr, "Error reading public key %s\n", value);
 444             ERR_print_errors_fp(stderr);
 445             return 0;
 446         }
 447         lst = &t->public;
 448         add_key = 1;
 449     }
 450     /* If we have a key add to list */
 451     if (add_key) {
 452         char tmpbuf[80];
 453         if (find_key(NULL, value, *lst)) {
 454             fprintf(stderr, "Duplicate key %s\n", value);
 455             return 0;
 456         }
 457         key = OPENSSL_malloc(sizeof(*key));
 458         if (!key)
 459             return 0;
 460         key->name = OPENSSL_strdup(value);
 461         key->key = pk;
 462         key->next = *lst;
 463         *lst = key;
 464         /* Rewind input, read to end and update line numbers */
 465         (void)BIO_seek(t->in, save_pos);
 466         while (BIO_gets(t->in,tmpbuf, sizeof(tmpbuf))) {
 467             t->line++;
 468             if (strncmp(tmpbuf, "-----END", 8) == 0)
 469                 return 1;
 470         }
 471         fprintf(stderr, "Can't find key end\n");
 472         return 0;
 473     }
 474
 475     /* See if keyword corresponds to a test start */
 476     tmeth = evp_find_test(keyword);
 477     if (tmeth) {
 478         if (!setup_test(t, tmeth))
 479             return 0;
 480         t->start_line = t->line;
 481         t->skip = 0;
 482         if (!tmeth->init(t, value)) {
 483             fprintf(stderr, "Unknown %s: %s\n", keyword, value);
 484             return 0;
 485         }
 486         return 1;
 487     } else if (t->skip) {
 488         return 1;
 489     } else if (strcmp(keyword, "Result") == 0) {
 490         if (t->expected_err) {
 491             fprintf(stderr, "Line %d: multiple result lines\n", t->line);
 492             return 0;
 493         }
 494         t->expected_err = OPENSSL_strdup(value);
 495         if (!t->expected_err)
 496             return 0;
 497     } else {
 498         /* Must be test specific line: try to parse it */
 499         if (t->meth)
 500             rv = t->meth->parse(t, keyword, value);
 501
 502         if (rv == 0)
 503             fprintf(stderr, "line %d: unexpected keyword %s\n",
 504                     t->line, keyword);
 505
 506         if (rv < 0)
 507             fprintf(stderr, "line %d: error processing keyword %s\n",
 508                     t->line, keyword);
 509         if (rv <= 0)
 510             return 0;
 511     }
 512     return 1;
 513 }
 514
 515 static int check_var_length_output(struct evp_test *t,
 516                                    const unsigned char *expected,
 517                                    size_t expected_len,
 518                                    const unsigned char *received,
 519                                    size_t received_len)
 520 {
 521     if (expected_len == received_len &&
 522         memcmp(expected, received, expected_len) == 0) {
 523         return 0;
 524     }
 525
 526     /* The result printing code expects a non-NULL buffer. */
 527     t->out_expected = OPENSSL_memdup(expected, expected_len ? expected_len : 1);
 528     t->out_expected_len = expected_len;
 529     t->out_received = OPENSSL_memdup(received, received_len ? received_len : 1);
 530     t->out_received_len = received_len;
 531     if (t->out_expected == NULL || t->out_received == NULL) {
 532         fprintf(stderr, "Memory allocation error!\n");
 533         exit(1);
 534     }
 535     return 1;
 536 }
 537
 538 static int check_output(struct evp_test *t,
 539                         const unsigned char *expected,
 540                         const unsigned char *received,
 541                         size_t len)
 542 {
 543     return check_var_length_output(t, expected, len, received, len);
 544 }
 545
 546 int main(int argc, char **argv)
 547 {
 548     BIO *in = NULL;
 549     char buf[10240];
 550     struct evp_test t;
 551
 552     if (argc != 2) {
 553         fprintf(stderr, "usage: evp_test testfile.txt\n");
 554         return 1;
 555     }
 556
 557     CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
 558
 559     memset(&t, 0, sizeof(t));
 560     t.start_line = -1;
 561     in = BIO_new_file(argv[1], "r");
 562     if (in == NULL) {
 563         fprintf(stderr, "Can't open %s for reading\n", argv[1]);
 564         return 1;
 565     }
 566     t.in = in;
 567     while (BIO_gets(in, buf, sizeof(buf))) {
 568         t.line++;
 569         if (!process_test(&t, buf, 0))
 570             exit(1);
 571     }
 572     /* Run any final test we have */
 573     if (!setup_test(&t, NULL))
 574         exit(1);
 575     fprintf(stderr, "%d tests completed with %d errors, %d skipped\n",
 576             t.ntests, t.errors, t.nskip);
 577     free_key_list(t.public);
 578     free_key_list(t.private);
 579     BIO_free(in);
 580
 581 #ifndef OPENSSL_NO_CRYPTO_MDEBUG
 582     if (CRYPTO_mem_leaks_fp(stderr) <= 0)
 583         return 1;
 584 #endif
 585     if (t.errors)
 586         return 1;
 587     return 0;
 588 }
 589
 590 static void test_free(void *d)
 591 {
 592     OPENSSL_free(d);
 593 }
 594
 595 /* Message digest tests */
 596
 597 struct digest_data {
 598     /* Digest this test is for */
 599     const EVP_MD *digest;
 600     /* Input to digest */
 601     unsigned char *input;
 602     size_t input_len;
 603     /* Repeat count for input */
 604     size_t nrpt;
 605     /* Expected output */
 606     unsigned char *output;
 607     size_t output_len;
 608 };
 609
 610 static int digest_test_init(struct evp_test *t, const char *alg)
 611 {
 612     const EVP_MD *digest;
 613     struct digest_data *mdat;
 614     digest = EVP_get_digestbyname(alg);
 615     if (!digest) {
 616         /* If alg has an OID assume disabled algorithm */
 617         if (OBJ_sn2nid(alg) != NID_undef || OBJ_ln2nid(alg) != NID_undef) {
 618             t->skip = 1;
 619             return 1;
 620         }
 621         return 0;
 622     }
 623     mdat = OPENSSL_malloc(sizeof(*mdat));
 624     mdat->digest = digest;
 625     mdat->input = NULL;
 626     mdat->output = NULL;
 627     mdat->nrpt = 1;
 628     t->data = mdat;
 629     return 1;
 630 }
 631
 632 static void digest_test_cleanup(struct evp_test *t)
 633 {
 634     struct digest_data *mdat = t->data;
 635     test_free(mdat->input);
 636     test_free(mdat->output);
 637 }
 638
 639 static int digest_test_parse(struct evp_test *t,
 640                              const char *keyword, const char *value)
 641 {
 642     struct digest_data *mdata = t->data;
 643     if (strcmp(keyword, "Input") == 0)
 644         return test_bin(value, &mdata->input, &mdata->input_len);
 645     if (strcmp(keyword, "Output") == 0)
 646         return test_bin(value, &mdata->output, &mdata->output_len);
 647     if (strcmp(keyword, "Count") == 0) {
 648         long nrpt = atoi(value);
 649         if (nrpt <= 0)
 650             return 0;
 651         mdata->nrpt = (size_t)nrpt;
 652         return 1;
 653     }
 654     return 0;
 655 }
 656
 657 static int digest_test_run(struct evp_test *t)
 658 {
 659     struct digest_data *mdata = t->data;
 660     size_t i;
 661     const char *err = "INTERNAL_ERROR";
 662     EVP_MD_CTX *mctx;
 663     unsigned char md[EVP_MAX_MD_SIZE];
 664     unsigned int md_len;
 665     mctx = EVP_MD_CTX_new();
 666     if (!mctx)
 667         goto err;
 668     err = "DIGESTINIT_ERROR";
 669     if (!EVP_DigestInit_ex(mctx, mdata->digest, NULL))
 670         goto err;
 671     err = "DIGESTUPDATE_ERROR";
 672     for (i = 0; i < mdata->nrpt; i++) {
 673         if (!EVP_DigestUpdate(mctx, mdata->input, mdata->input_len))
 674             goto err;
 675     }
 676     err = "DIGESTFINAL_ERROR";
 677     if (!EVP_DigestFinal(mctx, md, &md_len))
 678         goto err;
 679     err = "DIGEST_LENGTH_MISMATCH";
 680     if (md_len != mdata->output_len)
 681         goto err;
 682     err = "DIGEST_MISMATCH";
 683     if (check_output(t, mdata->output, md, md_len))
 684         goto err;
 685     err = NULL;
 686  err:
 687     EVP_MD_CTX_free(mctx);
 688     t->err = err;
 689     return 1;
 690 }
 691
 692 static const struct evp_test_method digest_test_method = {
 693     "Digest",
 694     digest_test_init,
 695     digest_test_cleanup,
 696     digest_test_parse,
 697     digest_test_run
 698 };
 699
 700 /* Cipher tests */
 701 struct cipher_data {
 702     const EVP_CIPHER *cipher;
 703     int enc;
 704     /* EVP_CIPH_GCM_MODE, EVP_CIPH_CCM_MODE or EVP_CIPH_OCB_MODE if AEAD */
 705     int aead;
 706     unsigned char *key;
 707     size_t key_len;
 708     unsigned char *iv;
 709     size_t iv_len;
 710     unsigned char *plaintext;
 711     size_t plaintext_len;
 712     unsigned char *ciphertext;
 713     size_t ciphertext_len;
 714     /* GCM, CCM only */
 715     unsigned char *aad;
 716     size_t aad_len;
 717     unsigned char *tag;
 718     size_t tag_len;
 719 };
 720
 721 static int cipher_test_init(struct evp_test *t, const char *alg)
 722 {
 723     const EVP_CIPHER *cipher;
 724     struct cipher_data *cdat = t->data;
 725     cipher = EVP_get_cipherbyname(alg);
 726     if (!cipher) {
 727         /* If alg has an OID assume disabled algorithm */
 728         if (OBJ_sn2nid(alg) != NID_undef || OBJ_ln2nid(alg) != NID_undef) {
 729             t->skip = 1;
 730             return 1;
 731         }
 732         return 0;
 733     }
 734     cdat = OPENSSL_malloc(sizeof(*cdat));
 735     cdat->cipher = cipher;
 736     cdat->enc = -1;
 737     cdat->key = NULL;
 738     cdat->iv = NULL;
 739     cdat->ciphertext = NULL;
 740     cdat->plaintext = NULL;
 741     cdat->aad = NULL;
 742     cdat->tag = NULL;
 743     t->data = cdat;
 744     if (EVP_CIPHER_mode(cipher) == EVP_CIPH_GCM_MODE
 745         || EVP_CIPHER_mode(cipher) == EVP_CIPH_OCB_MODE
 746         || EVP_CIPHER_mode(cipher) == EVP_CIPH_CCM_MODE)
 747         cdat->aead = EVP_CIPHER_mode(cipher);
 748     else if (EVP_CIPHER_flags(cipher) & EVP_CIPH_FLAG_AEAD_CIPHER)
 749         cdat->aead = -1;
 750     else
 751         cdat->aead = 0;
 752
 753     return 1;
 754 }
 755
 756 static void cipher_test_cleanup(struct evp_test *t)
 757 {
 758     struct cipher_data *cdat = t->data;
 759     test_free(cdat->key);
 760     test_free(cdat->iv);
 761     test_free(cdat->ciphertext);
 762     test_free(cdat->plaintext);
 763     test_free(cdat->aad);
 764     test_free(cdat->tag);
 765 }
 766
 767 static int cipher_test_parse(struct evp_test *t, const char *keyword,
 768                              const char *value)
 769 {
 770     struct cipher_data *cdat = t->data;
 771     if (strcmp(keyword, "Key") == 0)
 772         return test_bin(value, &cdat->key, &cdat->key_len);
 773     if (strcmp(keyword, "IV") == 0)
 774         return test_bin(value, &cdat->iv, &cdat->iv_len);
 775     if (strcmp(keyword, "Plaintext") == 0)
 776         return test_bin(value, &cdat->plaintext, &cdat->plaintext_len);
 777     if (strcmp(keyword, "Ciphertext") == 0)
 778         return test_bin(value, &cdat->ciphertext, &cdat->ciphertext_len);
 779     if (cdat->aead) {
 780         if (strcmp(keyword, "AAD") == 0)
 781             return test_bin(value, &cdat->aad, &cdat->aad_len);
 782         if (strcmp(keyword, "Tag") == 0)
 783             return test_bin(value, &cdat->tag, &cdat->tag_len);
 784     }
 785
 786     if (strcmp(keyword, "Operation") == 0) {
 787         if (strcmp(value, "ENCRYPT") == 0)
 788             cdat->enc = 1;
 789         else if (strcmp(value, "DECRYPT") == 0)
 790             cdat->enc = 0;
 791         else
 792             return 0;
 793         return 1;
 794     }
 795     return 0;
 796 }
 797
 798 static int cipher_test_enc(struct evp_test *t, int enc,
 799                            size_t out_misalign, size_t inp_misalign)
 800 {
 801     struct cipher_data *cdat = t->data;
 802     unsigned char *in, *out, *tmp = NULL;
 803     size_t in_len, out_len;
 804     int tmplen, tmpflen;
 805     EVP_CIPHER_CTX *ctx = NULL;
 806     const char *err;
 807     err = "INTERNAL_ERROR";
 808     ctx = EVP_CIPHER_CTX_new();
 809     if (!ctx)
 810         goto err;
 811     EVP_CIPHER_CTX_set_flags(ctx, EVP_CIPHER_CTX_FLAG_WRAP_ALLOW);
 812     if (enc) {
 813         in = cdat->plaintext;
 814         in_len = cdat->plaintext_len;
 815         out = cdat->ciphertext;
 816         out_len = cdat->ciphertext_len;
 817     } else {
 818         in = cdat->ciphertext;
 819         in_len = cdat->ciphertext_len;
 820         out = cdat->plaintext;
 821         out_len = cdat->plaintext_len;
 822     }
 823     if (inp_misalign == (size_t)-1) {
 824         /*
 825          * Exercise in-place encryption
 826          */
 827         tmp = OPENSSL_malloc(out_misalign + in_len + 2 * EVP_MAX_BLOCK_LENGTH);
 828         if (!tmp)
 829             goto err;
 830         in = memcpy(tmp + out_misalign, in, in_len);
 831     } else {
 832         inp_misalign += 16 - ((out_misalign + in_len) & 15);
 833         /*
 834          * 'tmp' will store both output and copy of input. We make the copy
 835          * of input to specifically aligned part of 'tmp'. So we just
 836          * figured out how much padding would ensure the required alignment,
 837          * now we allocate extended buffer and finally copy the input just
 838          * past inp_misalign in expression below. Output will be written
 839          * past out_misalign...
 840          */
 841         tmp = OPENSSL_malloc(out_misalign + in_len + 2 * EVP_MAX_BLOCK_LENGTH +
 842                              inp_misalign + in_len);
 843         if (!tmp)
 844             goto err;
 845         in = memcpy(tmp + out_misalign + in_len + 2 * EVP_MAX_BLOCK_LENGTH +
 846                     inp_misalign, in, in_len);
 847     }
 848     err = "CIPHERINIT_ERROR";
 849     if (!EVP_CipherInit_ex(ctx, cdat->cipher, NULL, NULL, NULL, enc))
 850         goto err;
 851     err = "INVALID_IV_LENGTH";
 852     if (cdat->iv) {
 853         if (cdat->aead) {
 854             if (!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_IVLEN,
 855                                      cdat->iv_len, 0))
 856                 goto err;
 857         } else if (cdat->iv_len != (size_t)EVP_CIPHER_CTX_iv_length(ctx))
 858             goto err;
 859     }
 860     if (cdat->aead) {
 861         unsigned char *tag;
 862         /*
 863          * If encrypting or OCB just set tag length initially, otherwise
 864          * set tag length and value.
 865          */
 866         if (enc || cdat->aead == EVP_CIPH_OCB_MODE) {
 867             err = "TAG_LENGTH_SET_ERROR";
 868             tag = NULL;
 869         } else {
 870             err = "TAG_SET_ERROR";
 871             tag = cdat->tag;
 872         }
 873         if (tag || cdat->aead != EVP_CIPH_GCM_MODE) {
 874             if (!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_TAG,
 875                                      cdat->tag_len, tag))
 876                 goto err;
 877         }
 878     }
 879
 880     err = "INVALID_KEY_LENGTH";
 881     if (!EVP_CIPHER_CTX_set_key_length(ctx, cdat->key_len))
 882         goto err;
 883     err = "KEY_SET_ERROR";
 884     if (!EVP_CipherInit_ex(ctx, NULL, NULL, cdat->key, cdat->iv, -1))
 885         goto err;
 886
 887     if (!enc && cdat->aead == EVP_CIPH_OCB_MODE) {
 888         if (!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_TAG,
 889                                  cdat->tag_len, cdat->tag)) {
 890             err = "TAG_SET_ERROR";
 891             goto err;
 892         }
 893     }
 894
 895     if (cdat->aead == EVP_CIPH_CCM_MODE) {
 896         if (!EVP_CipherUpdate(ctx, NULL, &tmplen, NULL, out_len)) {
 897             err = "CCM_PLAINTEXT_LENGTH_SET_ERROR";
 898             goto err;
 899         }
 900     }
 901     if (cdat->aad) {
 902         if (!EVP_CipherUpdate(ctx, NULL, &tmplen, cdat->aad, cdat->aad_len)) {
 903             err = "AAD_SET_ERROR";
 904             goto err;
 905         }
 906     }
 907     EVP_CIPHER_CTX_set_padding(ctx, 0);
 908     err = "CIPHERUPDATE_ERROR";
 909     if (!EVP_CipherUpdate(ctx, tmp + out_misalign, &tmplen, in, in_len))
 910         goto err;
 911     if (cdat->aead == EVP_CIPH_CCM_MODE)
 912         tmpflen = 0;
 913     else {
 914         err = "CIPHERFINAL_ERROR";
 915         if (!EVP_CipherFinal_ex(ctx, tmp + out_misalign + tmplen, &tmpflen))
 916             goto err;
 917     }
 918     err = "LENGTH_MISMATCH";
 919     if (out_len != (size_t)(tmplen + tmpflen))
 920         goto err;
 921     err = "VALUE_MISMATCH";
 922     if (check_output(t, out, tmp + out_misalign, out_len))
 923         goto err;
 924     if (enc && cdat->aead) {
 925         unsigned char rtag[16];
 926         if (cdat->tag_len > sizeof(rtag)) {
 927             err = "TAG_LENGTH_INTERNAL_ERROR";
 928             goto err;
 929         }
 930         if (!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_GET_TAG,
 931                                  cdat->tag_len, rtag)) {
 932             err = "TAG_RETRIEVE_ERROR";
 933             goto err;
 934         }
 935         if (check_output(t, cdat->tag, rtag, cdat->tag_len)) {
 936             err = "TAG_VALUE_MISMATCH";
 937             goto err;
 938         }
 939     }
 940     err = NULL;
 941  err:
 942     OPENSSL_free(tmp);
 943     EVP_CIPHER_CTX_free(ctx);
 944     t->err = err;
 945     return err ? 0 : 1;
 946 }
 947
 948 static int cipher_test_run(struct evp_test *t)
 949 {
 950     struct cipher_data *cdat = t->data;
 951     int rv;
 952     size_t out_misalign, inp_misalign;
 953
 954     if (!cdat->key) {
 955         t->err = "NO_KEY";
 956         return 0;
 957     }
 958     if (!cdat->iv && EVP_CIPHER_iv_length(cdat->cipher)) {
 959         /* IV is optional and usually omitted in wrap mode */
 960         if (EVP_CIPHER_mode(cdat->cipher) != EVP_CIPH_WRAP_MODE) {
 961             t->err = "NO_IV";
 962             return 0;
 963         }
 964     }
 965     if (cdat->aead && !cdat->tag) {
 966         t->err = "NO_TAG";
 967         return 0;
 968     }
 969     for (out_misalign = 0; out_misalign <= 1; out_misalign++) {
 970         static char aux_err[64];
 971         t->aux_err = aux_err;
 972         for (inp_misalign = (size_t)-1; inp_misalign != 2; inp_misalign++) {
 973             if (inp_misalign == (size_t)-1) {
 974                 /* kludge: inp_misalign == -1 means "exercise in-place" */
 975                 BIO_snprintf(aux_err, sizeof(aux_err), "%s in-place",
 976                              out_misalign ? "misaligned" : "aligned");
 977             } else {
 978                 BIO_snprintf(aux_err, sizeof(aux_err), "%s output and %s input",
 979                              out_misalign ? "misaligned" : "aligned",
 980                              inp_misalign ? "misaligned" : "aligned");
 981             }
 982             if (cdat->enc) {
 983                 rv = cipher_test_enc(t, 1, out_misalign, inp_misalign);
 984                 /* Not fatal errors: return */
 985                 if (rv != 1) {
 986                     if (rv < 0)
 987                         return 0;
 988                     return 1;
 989                 }
 990             }
 991             if (cdat->enc != 1) {
 992                 rv = cipher_test_enc(t, 0, out_misalign, inp_misalign);
 993                 /* Not fatal errors: return */
 994                 if (rv != 1) {
 995                     if (rv < 0)
 996                         return 0;
 997                     return 1;
 998                 }
 999             }
1000         }
1001     }
1002     t->aux_err = NULL;
1003
1004     return 1;
1005 }
1006
1007 static const struct evp_test_method cipher_test_method = {
1008     "Cipher",
1009     cipher_test_init,
1010     cipher_test_cleanup,
1011     cipher_test_parse,
1012     cipher_test_run
1013 };
1014
1015 struct mac_data {
1016     /* MAC type */
1017     int type;
1018     /* Algorithm string for this MAC */
1019     char *alg;
1020     /* MAC key */
1021     unsigned char *key;
1022     size_t key_len;
1023     /* Input to MAC */
1024     unsigned char *input;
1025     size_t input_len;
1026     /* Expected output */
1027     unsigned char *output;
1028     size_t output_len;
1029 };
1030
1031 static int mac_test_init(struct evp_test *t, const char *alg)
1032 {
1033     int type;
1034     struct mac_data *mdat;
1035     if (strcmp(alg, "HMAC") == 0) {
1036         type = EVP_PKEY_HMAC;
1037     } else if (strcmp(alg, "CMAC") == 0) {
1038 #ifndef OPENSSL_NO_CMAC
1039         type = EVP_PKEY_CMAC;
1040 #else
1041         t->skip = 1;
1042         return 1;
1043 #endif
1044     } else
1045         return 0;
1046
1047     mdat = OPENSSL_malloc(sizeof(*mdat));
1048     mdat->type = type;
1049     mdat->alg = NULL;
1050     mdat->key = NULL;
1051     mdat->input = NULL;
1052     mdat->output = NULL;
1053     t->data = mdat;
1054     return 1;
1055 }
1056
1057 static void mac_test_cleanup(struct evp_test *t)
1058 {
1059     struct mac_data *mdat = t->data;
1060     test_free(mdat->alg);
1061     test_free(mdat->key);
1062     test_free(mdat->input);
1063     test_free(mdat->output);
1064 }
1065
1066 static int mac_test_parse(struct evp_test *t,
1067                           const char *keyword, const char *value)
1068 {
1069     struct mac_data *mdata = t->data;
1070     if (strcmp(keyword, "Key") == 0)
1071         return test_bin(value, &mdata->key, &mdata->key_len);
1072     if (strcmp(keyword, "Algorithm") == 0) {
1073         mdata->alg = OPENSSL_strdup(value);
1074         if (!mdata->alg)
1075             return 0;
1076         return 1;
1077     }
1078     if (strcmp(keyword, "Input") == 0)
1079         return test_bin(value, &mdata->input, &mdata->input_len);
1080     if (strcmp(keyword, "Output") == 0)
1081         return test_bin(value, &mdata->output, &mdata->output_len);
1082     return 0;
1083 }
1084
1085 static int mac_test_run(struct evp_test *t)
1086 {
1087     struct mac_data *mdata = t->data;
1088     const char *err = "INTERNAL_ERROR";
1089     EVP_MD_CTX *mctx = NULL;
1090     EVP_PKEY_CTX *pctx = NULL, *genctx = NULL;
1091     EVP_PKEY *key = NULL;
1092     const EVP_MD *md = NULL;
1093     unsigned char *mac = NULL;
1094     size_t mac_len;
1095
1096 #ifdef OPENSSL_NO_DES
1097     if (strstr(mdata->alg, "DES") != NULL) {
1098         /* Skip DES */
1099         err = NULL;
1100         goto err;
1101     }
1102 #endif
1103
1104     err = "MAC_PKEY_CTX_ERROR";
1105     genctx = EVP_PKEY_CTX_new_id(mdata->type, NULL);
1106     if (!genctx)
1107         goto err;
1108
1109     err = "MAC_KEYGEN_INIT_ERROR";
1110     if (EVP_PKEY_keygen_init(genctx) <= 0)
1111         goto err;
1112     if (mdata->type == EVP_PKEY_CMAC) {
1113         err = "MAC_ALGORITHM_SET_ERROR";
1114         if (EVP_PKEY_CTX_ctrl_str(genctx, "cipher", mdata->alg) <= 0)
1115             goto err;
1116     }
1117
1118     err = "MAC_KEY_SET_ERROR";
1119     if (EVP_PKEY_CTX_set_mac_key(genctx, mdata->key, mdata->key_len) <= 0)
1120         goto err;
1121
1122     err = "MAC_KEY_GENERATE_ERROR";
1123     if (EVP_PKEY_keygen(genctx, &key) <= 0)
1124         goto err;
1125     if (mdata->type == EVP_PKEY_HMAC) {
1126         err = "MAC_ALGORITHM_SET_ERROR";
1127         md = EVP_get_digestbyname(mdata->alg);
1128         if (!md)
1129             goto err;
1130     }
1131     mctx = EVP_MD_CTX_new();
1132     if (!mctx)
1133         goto err;
1134     err = "DIGESTSIGNINIT_ERROR";
1135     if (!EVP_DigestSignInit(mctx, &pctx, md, NULL, key))
1136         goto err;
1137
1138     err = "DIGESTSIGNUPDATE_ERROR";
1139     if (!EVP_DigestSignUpdate(mctx, mdata->input, mdata->input_len))
1140         goto err;
1141     err = "DIGESTSIGNFINAL_LENGTH_ERROR";
1142     if (!EVP_DigestSignFinal(mctx, NULL, &mac_len))
1143         goto err;
1144     mac = OPENSSL_malloc(mac_len);
1145     if (!mac) {
1146         fprintf(stderr, "Error allocating mac buffer!\n");
1147         exit(1);
1148     }
1149     if (!EVP_DigestSignFinal(mctx, mac, &mac_len))
1150         goto err;
1151     err = "MAC_LENGTH_MISMATCH";
1152     if (mac_len != mdata->output_len)
1153         goto err;
1154     err = "MAC_MISMATCH";
1155     if (check_output(t, mdata->output, mac, mac_len))
1156         goto err;
1157     err = NULL;
1158  err:
1159     EVP_MD_CTX_free(mctx);
1160     OPENSSL_free(mac);
1161     EVP_PKEY_CTX_free(genctx);
1162     EVP_PKEY_free(key);
1163     t->err = err;
1164     return 1;
1165 }
1166
1167 static const struct evp_test_method mac_test_method = {
1168     "MAC",
1169     mac_test_init,
1170     mac_test_cleanup,
1171     mac_test_parse,
1172     mac_test_run
1173 };
1174
1175 /*
1176  * Public key operations. These are all very similar and can share
1177  * a lot of common code.
1178  */
1179
1180 struct pkey_data {
1181     /* Context for this operation */
1182     EVP_PKEY_CTX *ctx;
1183     /* Key operation to perform */
1184     int (*keyop) (EVP_PKEY_CTX *ctx,
1185                   unsigned char *sig, size_t *siglen,
1186                   const unsigned char *tbs, size_t tbslen);
1187     /* Input to MAC */
1188     unsigned char *input;
1189     size_t input_len;
1190     /* Expected output */
1191     unsigned char *output;
1192     size_t output_len;
1193 };
1194
1195 /*
1196  * Perform public key operation setup: lookup key, allocated ctx and call
1197  * the appropriate initialisation function
1198  */
1199 static int pkey_test_init(struct evp_test *t, const char *name,
1200                           int use_public,
1201                           int (*keyopinit) (EVP_PKEY_CTX *ctx),
1202                           int (*keyop) (EVP_PKEY_CTX *ctx,
1203                                         unsigned char *sig, size_t *siglen,
1204                                         const unsigned char *tbs,
1205                                         size_t tbslen)
1206     )
1207 {
1208     struct pkey_data *kdata;
1209     EVP_PKEY *pkey = NULL;
1210     int rv = 0;
1211     if (use_public)
1212         rv = find_key(&pkey, name, t->public);
1213     if (!rv)
1214         rv = find_key(&pkey, name, t->private);
1215     if (!rv)
1216         return 0;
1217     if (!pkey) {
1218         t->skip = 1;
1219         return 1;
1220     }
1221
1222     kdata = OPENSSL_malloc(sizeof(*kdata));
1223     if (!kdata) {
1224         EVP_PKEY_free(pkey);
1225         return 0;
1226     }
1227     kdata->ctx = NULL;
1228     kdata->input = NULL;
1229     kdata->output = NULL;
1230     kdata->keyop = keyop;
1231     t->data = kdata;
1232     kdata->ctx = EVP_PKEY_CTX_new(pkey, NULL);
1233     if (!kdata->ctx)
1234         return 0;
1235     if (keyopinit(kdata->ctx) <= 0)
1236         return 0;
1237     return 1;
1238 }
1239
1240 static void pkey_test_cleanup(struct evp_test *t)
1241 {
1242     struct pkey_data *kdata = t->data;
1243
1244     OPENSSL_free(kdata->input);
1245     OPENSSL_free(kdata->output);
1246     EVP_PKEY_CTX_free(kdata->ctx);
1247 }
1248
1249 static int pkey_test_ctrl(EVP_PKEY_CTX *pctx, const char *value)
1250 {
1251     int rv;
1252     char *p, *tmpval;
1253
1254     tmpval = OPENSSL_strdup(value);
1255     if (tmpval == NULL)
1256         return 0;
1257     p = strchr(tmpval, ':');
1258     if (p != NULL)
1259         *p++ = 0;
1260     rv = EVP_PKEY_CTX_ctrl_str(pctx, tmpval, p);
1261     OPENSSL_free(tmpval);
1262     return rv > 0;
1263 }
1264
1265 static int pkey_test_parse(struct evp_test *t,
1266                            const char *keyword, const char *value)
1267 {
1268     struct pkey_data *kdata = t->data;
1269     if (strcmp(keyword, "Input") == 0)
1270         return test_bin(value, &kdata->input, &kdata->input_len);
1271     if (strcmp(keyword, "Output") == 0)
1272         return test_bin(value, &kdata->output, &kdata->output_len);
1273     if (strcmp(keyword, "Ctrl") == 0)
1274         return pkey_test_ctrl(kdata->ctx, value);
1275     return 0;
1276 }
1277
1278 static int pkey_test_run(struct evp_test *t)
1279 {
1280     struct pkey_data *kdata = t->data;
1281     unsigned char *out = NULL;
1282     size_t out_len;
1283     const char *err = "KEYOP_LENGTH_ERROR";
1284     if (kdata->keyop(kdata->ctx, NULL, &out_len, kdata->input,
1285                      kdata->input_len) <= 0)
1286         goto err;
1287     out = OPENSSL_malloc(out_len);
1288     if (!out) {
1289         fprintf(stderr, "Error allocating output buffer!\n");
1290         exit(1);
1291     }
1292     err = "KEYOP_ERROR";
1293     if (kdata->keyop
1294         (kdata->ctx, out, &out_len, kdata->input, kdata->input_len) <= 0)
1295         goto err;
1296     err = "KEYOP_LENGTH_MISMATCH";
1297     if (out_len != kdata->output_len)
1298         goto err;
1299     err = "KEYOP_MISMATCH";
1300     if (check_output(t, kdata->output, out, out_len))
1301         goto err;
1302     err = NULL;
1303  err:
1304     OPENSSL_free(out);
1305     t->err = err;
1306     return 1;
1307 }
1308
1309 static int sign_test_init(struct evp_test *t, const char *name)
1310 {
1311     return pkey_test_init(t, name, 0, EVP_PKEY_sign_init, EVP_PKEY_sign);
1312 }
1313
1314 static const struct evp_test_method psign_test_method = {
1315     "Sign",
1316     sign_test_init,
1317     pkey_test_cleanup,
1318     pkey_test_parse,
1319     pkey_test_run
1320 };
1321
1322 static int verify_recover_test_init(struct evp_test *t, const char *name)
1323 {
1324     return pkey_test_init(t, name, 1, EVP_PKEY_verify_recover_init,
1325                           EVP_PKEY_verify_recover);
1326 }
1327
1328 static const struct evp_test_method pverify_recover_test_method = {
1329     "VerifyRecover",
1330     verify_recover_test_init,
1331     pkey_test_cleanup,
1332     pkey_test_parse,
1333     pkey_test_run
1334 };
1335
1336 static int decrypt_test_init(struct evp_test *t, const char *name)
1337 {
1338     return pkey_test_init(t, name, 0, EVP_PKEY_decrypt_init,
1339                           EVP_PKEY_decrypt);
1340 }
1341
1342 static const struct evp_test_method pdecrypt_test_method = {
1343     "Decrypt",
1344     decrypt_test_init,
1345     pkey_test_cleanup,
1346     pkey_test_parse,
1347     pkey_test_run
1348 };
1349
1350 static int verify_test_init(struct evp_test *t, const char *name)
1351 {
1352     return pkey_test_init(t, name, 1, EVP_PKEY_verify_init, 0);
1353 }
1354
1355 static int verify_test_run(struct evp_test *t)
1356 {
1357     struct pkey_data *kdata = t->data;
1358     if (EVP_PKEY_verify(kdata->ctx, kdata->output, kdata->output_len,
1359                         kdata->input, kdata->input_len) <= 0)
1360         t->err = "VERIFY_ERROR";
1361     return 1;
1362 }
1363
1364 static const struct evp_test_method pverify_test_method = {
1365     "Verify",
1366     verify_test_init,
1367     pkey_test_cleanup,
1368     pkey_test_parse,
1369     verify_test_run
1370 };
1371
1372
1373 static int pderive_test_init(struct evp_test *t, const char *name)
1374 {
1375     return pkey_test_init(t, name, 0, EVP_PKEY_derive_init, 0);
1376 }
1377
1378 static int pderive_test_parse(struct evp_test *t,
1379                               const char *keyword, const char *value)
1380 {
1381     struct pkey_data *kdata = t->data;
1382
1383     if (strcmp(keyword, "PeerKey") == 0) {
1384         EVP_PKEY *peer;
1385         if (find_key(&peer, value, t->public) == 0)
1386             return 0;
1387         if (EVP_PKEY_derive_set_peer(kdata->ctx, peer) <= 0)
1388             return 0;
1389         return 1;
1390     }
1391     if (strcmp(keyword, "SharedSecret") == 0)
1392         return test_bin(value, &kdata->output, &kdata->output_len);
1393     if (strcmp(keyword, "Ctrl") == 0)
1394         return pkey_test_ctrl(kdata->ctx, value);
1395     return 0;
1396 }
1397
1398 static int pderive_test_run(struct evp_test *t)
1399 {
1400     struct pkey_data *kdata = t->data;
1401     unsigned char *out = NULL;
1402     size_t out_len;
1403     const char *err = "INTERNAL_ERROR";
1404
1405     out_len = kdata->output_len;
1406     out = OPENSSL_malloc(out_len);
1407     if (!out) {
1408         fprintf(stderr, "Error allocating output buffer!\n");
1409         exit(1);
1410     }
1411     err = "DERIVE_ERROR";
1412     if (EVP_PKEY_derive(kdata->ctx, out, &out_len) <= 0)
1413         goto err;
1414     err = "SHARED_SECRET_LENGTH_MISMATCH";
1415     if (out_len != kdata->output_len)
1416         goto err;
1417     err = "SHARED_SECRET_MISMATCH";
1418     if (check_output(t, kdata->output, out, out_len))
1419         goto err;
1420     err = NULL;
1421  err:
1422     OPENSSL_free(out);
1423     t->err = err;
1424     return 1;
1425 }
1426
1427 static const struct evp_test_method pderive_test_method = {
1428     "Derive",
1429     pderive_test_init,
1430     pkey_test_cleanup,
1431     pderive_test_parse,
1432     pderive_test_run
1433 };
1434
1435 /* PBE tests */
1436
1437 #define PBE_TYPE_SCRYPT 1
1438 #define PBE_TYPE_PBKDF2 2
1439 #define PBE_TYPE_PKCS12 3
1440
1441 struct pbe_data {
1442
1443     int pbe_type;
1444
1445     /* scrypt parameters */
1446     uint64_t N, r, p, maxmem;
1447
1448     /* PKCS#12 parameters */
1449     int id, iter;
1450     const EVP_MD *md;
1451
1452     /* password */
1453     unsigned char *pass;
1454     size_t pass_len;
1455
1456     /* salt */
1457     unsigned char *salt;
1458     size_t salt_len;
1459
1460     /* Expected output */
1461     unsigned char *key;
1462     size_t key_len;
1463 };
1464
1465 #ifndef OPENSSL_NO_SCRYPT
1466 static int scrypt_test_parse(struct evp_test *t,
1467                              const char *keyword, const char *value)
1468 {
1469     struct pbe_data *pdata = t->data;
1470
1471     if (strcmp(keyword, "N") == 0)
1472         return test_uint64(value, &pdata->N);
1473     if (strcmp(keyword, "p") == 0)
1474         return test_uint64(value, &pdata->p);
1475     if (strcmp(keyword, "r") == 0)
1476         return test_uint64(value, &pdata->r);
1477     if (strcmp(keyword, "maxmem") == 0)
1478         return test_uint64(value, &pdata->maxmem);
1479     return 0;
1480 }
1481 #endif
1482
1483 static int pbkdf2_test_parse(struct evp_test *t,
1484                              const char *keyword, const char *value)
1485 {
1486     struct pbe_data *pdata = t->data;
1487
1488     if (strcmp(keyword, "iter") == 0) {
1489         pdata->iter = atoi(value);
1490         if (pdata->iter <= 0)
1491             return 0;
1492         return 1;
1493     }
1494     if (strcmp(keyword, "MD") == 0) {
1495         pdata->md = EVP_get_digestbyname(value);
1496         if (pdata->md == NULL)
1497             return 0;
1498         return 1;
1499     }
1500     return 0;
1501 }
1502
1503 static int pkcs12_test_parse(struct evp_test *t,
1504                              const char *keyword, const char *value)
1505 {
1506     struct pbe_data *pdata = t->data;
1507
1508     if (strcmp(keyword, "id") == 0) {
1509         pdata->id = atoi(value);
1510         if (pdata->id <= 0)
1511             return 0;
1512         return 1;
1513     }
1514     return pbkdf2_test_parse(t, keyword, value);
1515 }
1516
1517 static int pbe_test_init(struct evp_test *t, const char *alg)
1518 {
1519     struct pbe_data *pdat;
1520     int pbe_type = 0;
1521
1522     if (strcmp(alg, "scrypt") == 0) {
1523 #ifndef OPENSSL_NO_SCRYPT
1524         pbe_type = PBE_TYPE_SCRYPT;
1525 #else
1526         t->skip = 1;
1527         return 1;
1528 #endif
1529     } else if (strcmp(alg, "pbkdf2") == 0) {
1530         pbe_type = PBE_TYPE_PBKDF2;
1531     } else if (strcmp(alg, "pkcs12") == 0) {
1532         pbe_type = PBE_TYPE_PKCS12;
1533     } else {
1534         fprintf(stderr, "Unknown pbe algorithm %s\n", alg);
1535     }
1536     pdat = OPENSSL_malloc(sizeof(*pdat));
1537     pdat->pbe_type = pbe_type;
1538     pdat->pass = NULL;
1539     pdat->salt = NULL;
1540     pdat->N = 0;
1541     pdat->r = 0;
1542     pdat->p = 0;
1543     pdat->maxmem = 0;
1544     pdat->id = 0;
1545     pdat->iter = 0;
1546     pdat->md = NULL;
1547     t->data = pdat;
1548     return 1;
1549 }
1550
1551 static void pbe_test_cleanup(struct evp_test *t)
1552 {
1553     struct pbe_data *pdat = t->data;
1554     test_free(pdat->pass);
1555     test_free(pdat->salt);
1556     test_free(pdat->key);
1557 }
1558
1559 static int pbe_test_parse(struct evp_test *t,
1560                              const char *keyword, const char *value)
1561 {
1562     struct pbe_data *pdata = t->data;
1563
1564     if (strcmp(keyword, "Password") == 0)
1565         return test_bin(value, &pdata->pass, &pdata->pass_len);
1566     if (strcmp(keyword, "Salt") == 0)
1567         return test_bin(value, &pdata->salt, &pdata->salt_len);
1568     if (strcmp(keyword, "Key") == 0)
1569         return test_bin(value, &pdata->key, &pdata->key_len);
1570     if (pdata->pbe_type == PBE_TYPE_PBKDF2)
1571         return pbkdf2_test_parse(t, keyword, value);
1572     else if (pdata->pbe_type == PBE_TYPE_PKCS12)
1573         return pkcs12_test_parse(t, keyword, value);
1574 #ifndef OPENSSL_NO_SCRYPT
1575     else if (pdata->pbe_type == PBE_TYPE_SCRYPT)
1576         return scrypt_test_parse(t, keyword, value);
1577 #endif
1578     return 0;
1579 }
1580
1581 static int pbe_test_run(struct evp_test *t)
1582 {
1583     struct pbe_data *pdata = t->data;
1584     const char *err = "INTERNAL_ERROR";
1585     unsigned char *key;
1586
1587     key = OPENSSL_malloc(pdata->key_len);
1588     if (!key)
1589         goto err;
1590     if (pdata->pbe_type == PBE_TYPE_PBKDF2) {
1591         err = "PBKDF2_ERROR";
1592         if (PKCS5_PBKDF2_HMAC((char *)pdata->pass, pdata->pass_len,
1593                               pdata->salt, pdata->salt_len,
1594                               pdata->iter, pdata->md,
1595                               pdata->key_len, key) == 0)
1596             goto err;
1597 #ifndef OPENSSL_NO_SCRYPT
1598     } else if (pdata->pbe_type == PBE_TYPE_SCRYPT) {
1599         err = "SCRYPT_ERROR";
1600         if (EVP_PBE_scrypt((const char *)pdata->pass, pdata->pass_len,
1601                            pdata->salt, pdata->salt_len,
1602                            pdata->N, pdata->r, pdata->p, pdata->maxmem,
1603                            key, pdata->key_len) == 0)
1604             goto err;
1605 #endif
1606     } else if (pdata->pbe_type == PBE_TYPE_PKCS12) {
1607         err = "PKCS12_ERROR";
1608         if (PKCS12_key_gen_uni(pdata->pass, pdata->pass_len,
1609                                pdata->salt, pdata->salt_len,
1610                                pdata->id, pdata->iter, pdata->key_len,
1611                                key, pdata->md) == 0)
1612             goto err;
1613     }
1614     err = "KEY_MISMATCH";
1615     if (check_output(t, pdata->key, key, pdata->key_len))
1616         goto err;
1617     err = NULL;
1618     err:
1619     OPENSSL_free(key);
1620     t->err = err;
1621     return 1;
1622 }
1623
1624 static const struct evp_test_method pbe_test_method = {
1625     "PBE",
1626     pbe_test_init,
1627     pbe_test_cleanup,
1628     pbe_test_parse,
1629     pbe_test_run
1630 };
1631
1632 /* Base64 tests */
1633
1634 typedef enum {
1635     BASE64_CANONICAL_ENCODING = 0,
1636     BASE64_VALID_ENCODING = 1,
1637     BASE64_INVALID_ENCODING = 2
1638 } base64_encoding_type;
1639
1640 struct encode_data {
1641     /* Input to encoding */
1642     unsigned char *input;
1643     size_t input_len;
1644     /* Expected output */
1645     unsigned char *output;
1646     size_t output_len;
1647     base64_encoding_type encoding;
1648 };
1649
1650 static int encode_test_init(struct evp_test *t, const char *encoding)
1651 {
1652     struct encode_data *edata = OPENSSL_zalloc(sizeof(*edata));
1653
1654     if (strcmp(encoding, "canonical") == 0) {
1655         edata->encoding = BASE64_CANONICAL_ENCODING;
1656     } else if (strcmp(encoding, "valid") == 0) {
1657         edata->encoding = BASE64_VALID_ENCODING;
1658     } else if (strcmp(encoding, "invalid") == 0) {
1659         edata->encoding = BASE64_INVALID_ENCODING;
1660         t->expected_err = OPENSSL_strdup("DECODE_ERROR");
1661         if (t->expected_err == NULL)
1662             return 0;
1663     } else {
1664         fprintf(stderr, "Bad encoding: %s. Should be one of "
1665                 "{canonical, valid, invalid}\n", encoding);
1666         return 0;
1667     }
1668     t->data = edata;
1669     return 1;
1670 }
1671
1672 static void encode_test_cleanup(struct evp_test *t)
1673 {
1674     struct encode_data *edata = t->data;
1675     test_free(edata->input);
1676     test_free(edata->output);
1677     memset(edata, 0, sizeof(*edata));
1678 }
1679
1680 static int encode_test_parse(struct evp_test *t,
1681                              const char *keyword, const char *value)
1682 {
1683     struct encode_data *edata = t->data;
1684     if (strcmp(keyword, "Input") == 0)
1685         return test_bin(value, &edata->input, &edata->input_len);
1686     if (strcmp(keyword, "Output") == 0)
1687         return test_bin(value, &edata->output, &edata->output_len);
1688     return 0;
1689 }
1690
1691 static int encode_test_run(struct evp_test *t)
1692 {
1693     struct encode_data *edata = t->data;
1694     unsigned char *encode_out = NULL, *decode_out = NULL;
1695     int output_len, chunk_len;
1696     const char *err = "INTERNAL_ERROR";
1697     EVP_ENCODE_CTX *decode_ctx = EVP_ENCODE_CTX_new();
1698
1699     if (decode_ctx == NULL)
1700         goto err;
1701
1702     if (edata->encoding == BASE64_CANONICAL_ENCODING) {
1703         EVP_ENCODE_CTX *encode_ctx = EVP_ENCODE_CTX_new();
1704         if (encode_ctx == NULL)
1705             goto err;
1706         encode_out = OPENSSL_malloc(EVP_ENCODE_LENGTH(edata->input_len));
1707         if (encode_out == NULL)
1708             goto err;
1709
1710         EVP_EncodeInit(encode_ctx);
1711         EVP_EncodeUpdate(encode_ctx, encode_out, &chunk_len,
1712                          edata->input, edata->input_len);
1713         output_len = chunk_len;
1714
1715         EVP_EncodeFinal(encode_ctx, encode_out + chunk_len, &chunk_len);
1716         output_len += chunk_len;
1717
1718         EVP_ENCODE_CTX_free(encode_ctx);
1719
1720         if (check_var_length_output(t, edata->output, edata->output_len,
1721                                     encode_out, output_len)) {
1722             err = "BAD_ENCODING";
1723             goto err;
1724         }
1725     }
1726
1727     decode_out = OPENSSL_malloc(EVP_DECODE_LENGTH(edata->output_len));
1728     if (decode_out == NULL)
1729         goto err;
1730
1731     EVP_DecodeInit(decode_ctx);
1732     if (EVP_DecodeUpdate(decode_ctx, decode_out, &chunk_len, edata->output,
1733                          edata->output_len) < 0) {
1734         err = "DECODE_ERROR";
1735         goto err;
1736     }
1737     output_len = chunk_len;
1738
1739     if (EVP_DecodeFinal(decode_ctx, decode_out + chunk_len, &chunk_len) != 1) {
1740         err = "DECODE_ERROR";
1741         goto err;
1742     }
1743     output_len += chunk_len;
1744
1745     if (edata->encoding != BASE64_INVALID_ENCODING &&
1746         check_var_length_output(t, edata->input, edata->input_len,
1747                                 decode_out, output_len)) {
1748         err = "BAD_DECODING";
1749         goto err;
1750     }
1751
1752     err = NULL;
1753  err:
1754     t->err = err;
1755     OPENSSL_free(encode_out);
1756     OPENSSL_free(decode_out);
1757     EVP_ENCODE_CTX_free(decode_ctx);
1758     return 1;
1759 }
1760
1761 static const struct evp_test_method encode_test_method = {
1762     "Encoding",
1763     encode_test_init,
1764     encode_test_cleanup,
1765     encode_test_parse,
1766     encode_test_run,
1767 };
1768
1769 /* KDF operations */
1770
1771 struct kdf_data {
1772     /* Context for this operation */
1773     EVP_PKEY_CTX *ctx;
1774     /* Expected output */
1775     unsigned char *output;
1776     size_t output_len;
1777 };
1778
1779 /*
1780  * Perform public key operation setup: lookup key, allocated ctx and call
1781  * the appropriate initialisation function
1782  */
1783 static int kdf_test_init(struct evp_test *t, const char *name)
1784 {
1785     struct kdf_data *kdata;
1786
1787     kdata = OPENSSL_malloc(sizeof(*kdata));
1788     if (kdata == NULL)
1789         return 0;
1790     kdata->ctx = NULL;
1791     kdata->output = NULL;
1792     t->data = kdata;
1793     kdata->ctx = EVP_PKEY_CTX_new_id(OBJ_sn2nid(name), NULL);
1794     if (kdata->ctx == NULL)
1795         return 0;
1796     if (EVP_PKEY_derive_init(kdata->ctx) <= 0)
1797         return 0;
1798     return 1;
1799 }
1800
1801 static void kdf_test_cleanup(struct evp_test *t)
1802 {
1803     struct kdf_data *kdata = t->data;
1804     OPENSSL_free(kdata->output);
1805     EVP_PKEY_CTX_free(kdata->ctx);
1806 }
1807
1808 static int kdf_test_parse(struct evp_test *t,
1809                           const char *keyword, const char *value)
1810 {
1811     struct kdf_data *kdata = t->data;
1812     if (strcmp(keyword, "Output") == 0)
1813         return test_bin(value, &kdata->output, &kdata->output_len);
1814     if (strncmp(keyword, "Ctrl", 4) == 0)
1815         return pkey_test_ctrl(kdata->ctx, value);
1816     return 0;
1817 }
1818
1819 static int kdf_test_run(struct evp_test *t)
1820 {
1821     struct kdf_data *kdata = t->data;
1822     unsigned char *out = NULL;
1823     size_t out_len = kdata->output_len;
1824     const char *err = "INTERNAL_ERROR";
1825     out = OPENSSL_malloc(out_len);
1826     if (!out) {
1827         fprintf(stderr, "Error allocating output buffer!\n");
1828         exit(1);
1829     }
1830     err = "KDF_DERIVE_ERROR";
1831     if (EVP_PKEY_derive(kdata->ctx, out, &out_len) <= 0)
1832         goto err;
1833     err = "KDF_LENGTH_MISMATCH";
1834     if (out_len != kdata->output_len)
1835         goto err;
1836     err = "KDF_MISMATCH";
1837     if (check_output(t, kdata->output, out, out_len))
1838         goto err;
1839     err = NULL;
1840  err:
1841     OPENSSL_free(out);
1842     t->err = err;
1843     return 1;
1844 }
1845
1846 static const struct evp_test_method kdf_test_method = {
1847     "KDF",
1848     kdf_test_init,
1849     kdf_test_cleanup,
1850     kdf_test_parse,
1851     kdf_test_run
1852 };