ssl/ssltest.c

   1 /* ssl/ssltest.c */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58
  59 #include <assert.h>
  60 #include <errno.h>
  61 #include <limits.h>
  62 #include <stdio.h>
  63 #include <stdlib.h>
  64 #include <string.h>
  65 #include <time.h>
  66
  67 #include "openssl/e_os.h"
  68
  69 #include <openssl/bio.h>
  70 #include <openssl/crypto.h>
  71 #include <openssl/evp.h>
  72 #include <openssl/x509.h>
  73 #include <openssl/ssl.h>
  74 #include <openssl/err.h>
  75 #include <openssl/rand.h>
  76 #ifdef WINDOWS
  77 #include "../crypto/bio/bss_file.c"
  78 #endif
  79
  80 #ifdef VMS
  81 #  define TEST_SERVER_CERT "SYS$DISK:[-.APPS]SERVER.PEM"
  82 #  define TEST_CLIENT_CERT "SYS$DISK:[-.APPS]CLIENT.PEM"
  83 #else
  84 #  define TEST_SERVER_CERT "../apps/server.pem"
  85 #  define TEST_CLIENT_CERT "../apps/client.pem"
  86 #endif
  87
  88 static int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx);
  89 #ifndef NO_RSA
  90 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export,int keylength);
  91 #endif
  92 #ifndef NO_DH
  93 static DH *get_dh512(void);
  94 static DH *get_dh1024(void);
  95 static DH *get_dh1024dsa(void);
  96 #endif
  97
  98 static BIO *bio_err=NULL;
  99 static BIO *bio_stdout=NULL;
 100
 101 static char *cipher=NULL;
 102 static int verbose=0;
 103 static int debug=0;
 104 #if 0
 105 /* Not used yet. */
 106 #ifdef FIONBIO
 107 static int s_nbio=0;
 108 #endif
 109 #endif
 110
 111 static const char rnd_seed[] = "string to make the random number generator think it has entropy";
 112
 113 int doit_biopair(SSL *s_ssl,SSL *c_ssl,long bytes,clock_t *s_time,clock_t *c_time);
 114 int doit(SSL *s_ssl,SSL *c_ssl,long bytes);
 115 static void sv_usage(void)
 116         {
 117         fprintf(stderr,"usage: ssltest [args ...]\n");
 118         fprintf(stderr,"\n");
 119         fprintf(stderr," -server_auth  - check server certificate\n");
 120         fprintf(stderr," -client_auth  - do client authentication\n");
 121         fprintf(stderr," -v            - more output\n");
 122         fprintf(stderr," -d            - debug output\n");
 123         fprintf(stderr," -reuse        - use session-id reuse\n");
 124         fprintf(stderr," -num <val>    - number of connections to perform\n");
 125         fprintf(stderr," -bytes <val>  - number of bytes to swap between client/server\n");
 126 #ifndef NO_DH
 127         fprintf(stderr," -dhe1024      - use 1024 bit key (safe prime) for DHE\n");
 128         fprintf(stderr," -dhe1024dsa   - use 1024 bit key (with 160-bit subprime) for DHE\n");
 129         fprintf(stderr," -no_dhe       - disable DHE\n");
 130 #endif
 131 #ifndef NO_SSL2
 132         fprintf(stderr," -ssl2         - use SSLv2\n");
 133 #endif
 134 #ifndef NO_SSL3
 135         fprintf(stderr," -ssl3         - use SSLv3\n");
 136 #endif
 137 #ifndef NO_TLS1
 138         fprintf(stderr," -tls1         - use TLSv1\n");
 139 #endif
 140         fprintf(stderr," -CApath arg   - PEM format directory of CA's\n");
 141         fprintf(stderr," -CAfile arg   - PEM format file of CA's\n");
 142         fprintf(stderr," -cert arg     - Server certificate file\n");
 143         fprintf(stderr," -key arg      - Server key file (default: same as -cert)\n");
 144         fprintf(stderr," -c_cert arg   - Client certificate file\n");
 145         fprintf(stderr," -c_key arg    - Client key file (default: same as -c_cert)\n");
 146         fprintf(stderr," -cipher arg   - The cipher list\n");
 147         fprintf(stderr," -bio_pair     - Use BIO pairs\n");
 148         fprintf(stderr," -f            - Test even cases that can't work\n");
 149         fprintf(stderr," -time         - measure processor time used by client and server\n");
 150         }
 151
 152 static void print_details(SSL *c_ssl, const char *prefix)
 153         {
 154         SSL_CIPHER *ciph;
 155         X509 *cert;
 156
 157         ciph=SSL_get_current_cipher(c_ssl);
 158         BIO_printf(bio_stdout,"%s%s, cipher %s %s",
 159                 prefix,
 160                 SSL_get_version(c_ssl),
 161                 SSL_CIPHER_get_version(ciph),
 162                 SSL_CIPHER_get_name(ciph));
 163         cert=SSL_get_peer_certificate(c_ssl);
 164         if (cert != NULL)
 165                 {
 166                 EVP_PKEY *pkey = X509_get_pubkey(cert);
 167                 if (pkey != NULL)
 168                         {
 169                         if (0)
 170                                 ;
 171 #ifndef NO_RSA
 172                         else if (pkey->type == EVP_PKEY_RSA && pkey->pkey.rsa != NULL
 173                                 && pkey->pkey.rsa->n != NULL)
 174                                 {
 175                                 BIO_printf(bio_stdout, ", %d bit RSA",
 176                                         BN_num_bits(pkey->pkey.rsa->n));
 177                                 }
 178 #endif
 179 #ifndef NO_DSA
 180                         else if (pkey->type == EVP_PKEY_DSA && pkey->pkey.dsa != NULL
 181                                 && pkey->pkey.dsa->p != NULL)
 182                                 {
 183                                 BIO_printf(bio_stdout, ", %d bit DSA",
 184                                         BN_num_bits(pkey->pkey.dsa->p));
 185                                 }
 186 #endif
 187                         EVP_PKEY_free(pkey);
 188                         }
 189                 X509_free(cert);
 190                 }
 191         /* The SSL API does not allow us to look at temporary RSA/DH keys,
 192          * otherwise we should print their lengths too */
 193         BIO_printf(bio_stdout,"\n");
 194         }
 195
 196 int main(int argc, char *argv[])
 197         {
 198         char *CApath=NULL,*CAfile=NULL;
 199         int badop=0;
 200         int bio_pair=0;
 201         int force=0;
 202         int tls1=0,ssl2=0,ssl3=0,ret=1;
 203         int client_auth=0;
 204         int server_auth=0,i;
 205         char *server_cert=TEST_SERVER_CERT;
 206         char *server_key=NULL;
 207         char *client_cert=TEST_CLIENT_CERT;
 208         char *client_key=NULL;
 209         SSL_CTX *s_ctx=NULL;
 210         SSL_CTX *c_ctx=NULL;
 211         SSL_METHOD *meth=NULL;
 212         SSL *c_ssl,*s_ssl;
 213         int number=1,reuse=0;
 214         long bytes=1L;
 215 #ifndef NO_DH
 216         DH *dh;
 217         int dhe1024 = 0, dhe1024dsa = 0;
 218 #endif
 219         int no_dhe = 0;
 220         int print_time = 0;
 221         clock_t s_time = 0, c_time = 0;
 222
 223         verbose = 0;
 224         debug = 0;
 225         cipher = 0;
 226
 227         CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
 228
 229         RAND_seed(rnd_seed, sizeof rnd_seed);
 230
 231         bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 232         bio_stdout=BIO_new_fp(stdout,BIO_NOCLOSE);
 233
 234         argc--;
 235         argv++;
 236
 237         while (argc >= 1)
 238                 {
 239                 if      (strcmp(*argv,"-server_auth") == 0)
 240                         server_auth=1;
 241                 else if (strcmp(*argv,"-client_auth") == 0)
 242                         client_auth=1;
 243                 else if (strcmp(*argv,"-v") == 0)
 244                         verbose=1;
 245                 else if (strcmp(*argv,"-d") == 0)
 246                         debug=1;
 247                 else if (strcmp(*argv,"-reuse") == 0)
 248                         reuse=1;
 249 #ifndef NO_DH
 250                 else if (strcmp(*argv,"-dhe1024") == 0)
 251                         dhe1024=1;
 252                 else if (strcmp(*argv,"-dhe1024dsa") == 0)
 253                         dhe1024dsa=1;
 254 #endif
 255                 else if (strcmp(*argv,"-no_dhe") == 0)
 256                         no_dhe=1;
 257                 else if (strcmp(*argv,"-ssl2") == 0)
 258                         ssl2=1;
 259                 else if (strcmp(*argv,"-tls1") == 0)
 260                         tls1=1;
 261                 else if (strcmp(*argv,"-ssl3") == 0)
 262                         ssl3=1;
 263                 else if (strncmp(*argv,"-num",4) == 0)
 264                         {
 265                         if (--argc < 1) goto bad;
 266                         number= atoi(*(++argv));
 267                         if (number == 0) number=1;
 268                         }
 269                 else if (strcmp(*argv,"-bytes") == 0)
 270                         {
 271                         if (--argc < 1) goto bad;
 272                         bytes= atol(*(++argv));
 273                         if (bytes == 0L) bytes=1L;
 274                         i=strlen(argv[0]);
 275                         if (argv[0][i-1] == 'k') bytes*=1024L;
 276                         if (argv[0][i-1] == 'm') bytes*=1024L*1024L;
 277                         }
 278                 else if (strcmp(*argv,"-cert") == 0)
 279                         {
 280                         if (--argc < 1) goto bad;
 281                         server_cert= *(++argv);
 282                         }
 283                 else if (strcmp(*argv,"-s_cert") == 0)
 284                         {
 285                         if (--argc < 1) goto bad;
 286                         server_cert= *(++argv);
 287                         }
 288                 else if (strcmp(*argv,"-key") == 0)
 289                         {
 290                         if (--argc < 1) goto bad;
 291                         server_key= *(++argv);
 292                         }
 293                 else if (strcmp(*argv,"-s_key") == 0)
 294                         {
 295                         if (--argc < 1) goto bad;
 296                         server_key= *(++argv);
 297                         }
 298                 else if (strcmp(*argv,"-c_cert") == 0)
 299                         {
 300                         if (--argc < 1) goto bad;
 301                         client_cert= *(++argv);
 302                         }
 303                 else if (strcmp(*argv,"-c_key") == 0)
 304                         {
 305                         if (--argc < 1) goto bad;
 306                         client_key= *(++argv);
 307                         }
 308                 else if (strcmp(*argv,"-cipher") == 0)
 309                         {
 310                         if (--argc < 1) goto bad;
 311                         cipher= *(++argv);
 312                         }
 313                 else if (strcmp(*argv,"-CApath") == 0)
 314                         {
 315                         if (--argc < 1) goto bad;
 316                         CApath= *(++argv);
 317                         }
 318                 else if (strcmp(*argv,"-CAfile") == 0)
 319                         {
 320                         if (--argc < 1) goto bad;
 321                         CAfile= *(++argv);
 322                         }
 323                 else if (strcmp(*argv,"-bio_pair") == 0)
 324                         {
 325                         bio_pair = 1;
 326                         }
 327                 else if (strcmp(*argv,"-f") == 0)
 328                         {
 329                         force = 1;
 330                         }
 331                 else if (strcmp(*argv,"-time") == 0)
 332                         {
 333                         print_time = 1;
 334                         }
 335                 else
 336                         {
 337                         fprintf(stderr,"unknown option %s\n",*argv);
 338                         badop=1;
 339                         break;
 340                         }
 341                 argc--;
 342                 argv++;
 343                 }
 344         if (badop)
 345                 {
 346 bad:
 347                 sv_usage();
 348                 goto end;
 349                 }
 350
 351         if (!ssl2 && !ssl3 && !tls1 && number > 1 && !reuse && !force)
 352                 {
 353                 fprintf(stderr, "This case cannot work.  Use -f to perform "
 354                         "the test anyway (and\n-d to see what happens), "
 355                         "or add one of -ssl2, -ssl3, -tls1, -reuse\n"
 356                         "to avoid protocol mismatch.\n");
 357                 exit(1);
 358                 }
 359
 360         if (print_time)
 361                 {
 362                 if (!bio_pair)
 363                         {
 364                         fprintf(stderr, "Using BIO pair (-bio_pair)\n");
 365                         bio_pair = 1;
 366                         }
 367                 if (number < 50 && !force)
 368                         fprintf(stderr, "Warning: For accurate timings, use more connections (e.g. -num 1000)\n");
 369                 }
 370
 371 /*      if (cipher == NULL) cipher=getenv("SSL_CIPHER"); */
 372
 373         SSL_library_init();
 374         SSL_load_error_strings();
 375
 376 #if !defined(NO_SSL2) && !defined(NO_SSL3)
 377         if (ssl2)
 378                 meth=SSLv2_method();
 379         else
 380         if (tls1)
 381                 meth=TLSv1_method();
 382         else
 383         if (ssl3)
 384                 meth=SSLv3_method();
 385         else
 386                 meth=SSLv23_method();
 387 #else
 388 #ifdef NO_SSL2
 389         meth=SSLv3_method();
 390 #else
 391         meth=SSLv2_method();
 392 #endif
 393 #endif
 394
 395         c_ctx=SSL_CTX_new(meth);
 396         s_ctx=SSL_CTX_new(meth);
 397         if ((c_ctx == NULL) || (s_ctx == NULL))
 398                 {
 399                 ERR_print_errors(bio_err);
 400                 goto end;
 401                 }
 402
 403         if (cipher != NULL)
 404                 {
 405                 SSL_CTX_set_cipher_list(c_ctx,cipher);
 406                 SSL_CTX_set_cipher_list(s_ctx,cipher);
 407                 }
 408
 409 #ifndef NO_DH
 410         if (!no_dhe)
 411                 {
 412                 if (dhe1024dsa)
 413                         {
 414                         /* use SSL_OP_SINGLE_DH_USE to avoid small subgroup attacks */
 415                         SSL_CTX_set_options(s_ctx, SSL_OP_SINGLE_DH_USE);
 416                         dh=get_dh1024dsa();
 417                         }
 418                 else if (dhe1024)
 419                         dh=get_dh1024();
 420                 else
 421                         dh=get_dh512();
 422                 SSL_CTX_set_tmp_dh(s_ctx,dh);
 423                 DH_free(dh);
 424                 }
 425 #else
 426         (void)no_dhe;
 427 #endif
 428
 429 #ifndef NO_RSA
 430         SSL_CTX_set_tmp_rsa_callback(s_ctx,tmp_rsa_cb);
 431 #endif
 432
 433         if (!SSL_CTX_use_certificate_file(s_ctx,server_cert,SSL_FILETYPE_PEM))
 434                 {
 435                 ERR_print_errors(bio_err);
 436                 }
 437         else if (!SSL_CTX_use_PrivateKey_file(s_ctx,
 438                 (server_key?server_key:server_cert), SSL_FILETYPE_PEM))
 439                 {
 440                 ERR_print_errors(bio_err);
 441                 goto end;
 442                 }
 443
 444         if (client_auth)
 445                 {
 446                 SSL_CTX_use_certificate_file(c_ctx,client_cert,
 447                         SSL_FILETYPE_PEM);
 448                 SSL_CTX_use_PrivateKey_file(c_ctx,
 449                         (client_key?client_key:client_cert),
 450                         SSL_FILETYPE_PEM);
 451                 }
 452
 453         if (    (!SSL_CTX_load_verify_locations(s_ctx,CAfile,CApath)) ||
 454                 (!SSL_CTX_set_default_verify_paths(s_ctx)) ||
 455                 (!SSL_CTX_load_verify_locations(c_ctx,CAfile,CApath)) ||
 456                 (!SSL_CTX_set_default_verify_paths(c_ctx)))
 457                 {
 458                 /* fprintf(stderr,"SSL_load_verify_locations\n"); */
 459                 ERR_print_errors(bio_err);
 460                 /* goto end; */
 461                 }
 462
 463         if (client_auth)
 464                 {
 465                 BIO_printf(bio_err,"client authentication\n");
 466                 SSL_CTX_set_verify(s_ctx,
 467                         SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT,
 468                         verify_callback);
 469                 }
 470         if (server_auth)
 471                 {
 472                 BIO_printf(bio_err,"server authentication\n");
 473                 SSL_CTX_set_verify(c_ctx,SSL_VERIFY_PEER,
 474                         verify_callback);
 475                 }
 476
 477         {
 478                 int session_id_context = 0;
 479                 SSL_CTX_set_session_id_context(s_ctx, (void *)&session_id_context, sizeof session_id_context);
 480         }
 481
 482         c_ssl=SSL_new(c_ctx);
 483         s_ssl=SSL_new(s_ctx);
 484
 485         for (i=0; i<number; i++)
 486                 {
 487                 if (!reuse) SSL_set_session(c_ssl,NULL);
 488                 if (bio_pair)
 489                         ret=doit_biopair(s_ssl,c_ssl,bytes,&s_time,&c_time);
 490                 else
 491                         ret=doit(s_ssl,c_ssl,bytes);
 492                 }
 493
 494         if (!verbose)
 495                 {
 496                 print_details(c_ssl, "");
 497                 }
 498         if ((number > 1) || (bytes > 1L))
 499                 BIO_printf(bio_stdout, "%d handshakes of %ld bytes done\n",number,bytes);
 500         if (print_time)
 501                 {
 502 #ifdef CLOCKS_PER_SEC
 503                 /* "To determine the time in seconds, the value returned
 504                  * by the clock function should be divided by the value
 505                  * of the macro CLOCKS_PER_SEC."
 506                  *                                       -- ISO/IEC 9899 */
 507                 BIO_printf(bio_stdout, "Approximate total server time: %6.2f s\n"
 508                         "Approximate total client time: %6.2f s\n",
 509                         (double)s_time/CLOCKS_PER_SEC,
 510                         (double)c_time/CLOCKS_PER_SEC);
 511 #else
 512                 /* "`CLOCKS_PER_SEC' undeclared (first use this function)"
 513                  *                            -- cc on NeXTstep/OpenStep */
 514                 BIO_printf(bio_stdout,
 515                         "Approximate total server time: %6.2f units\n"
 516                         "Approximate total client time: %6.2f units\n",
 517                         (double)s_time,
 518                         (double)c_time);
 519 #endif
 520                 }
 521
 522         SSL_free(s_ssl);
 523         SSL_free(c_ssl);
 524
 525 end:
 526         if (s_ctx != NULL) SSL_CTX_free(s_ctx);
 527         if (c_ctx != NULL) SSL_CTX_free(c_ctx);
 528
 529         if (bio_stdout != NULL) BIO_free(bio_stdout);
 530
 531         ERR_free_strings();
 532         ERR_remove_state(0);
 533         EVP_cleanup();
 534         CRYPTO_mem_leaks(bio_err);
 535         if (bio_err != NULL) BIO_free(bio_err);
 536         EXIT(ret);
 537         }
 538
 539 int doit_biopair(SSL *s_ssl, SSL *c_ssl, long count,
 540         clock_t *s_time, clock_t *c_time)
 541         {
 542         long cw_num = count, cr_num = count, sw_num = count, sr_num = count;
 543         BIO *s_ssl_bio = NULL, *c_ssl_bio = NULL;
 544         BIO *server = NULL, *server_io = NULL, *client = NULL, *client_io = NULL;
 545         int ret = 1;
 546
 547         size_t bufsiz = 256; /* small buffer for testing */
 548
 549         if (!BIO_new_bio_pair(&server, bufsiz, &server_io, bufsiz))
 550                 goto err;
 551         if (!BIO_new_bio_pair(&client, bufsiz, &client_io, bufsiz))
 552                 goto err;
 553
 554         s_ssl_bio = BIO_new(BIO_f_ssl());
 555         if (!s_ssl_bio)
 556                 goto err;
 557
 558         c_ssl_bio = BIO_new(BIO_f_ssl());
 559         if (!c_ssl_bio)
 560                 goto err;
 561
 562         SSL_set_connect_state(c_ssl);
 563         SSL_set_bio(c_ssl, client, client);
 564         (void)BIO_set_ssl(c_ssl_bio, c_ssl, BIO_NOCLOSE);
 565
 566         SSL_set_accept_state(s_ssl);
 567         SSL_set_bio(s_ssl, server, server);
 568         (void)BIO_set_ssl(s_ssl_bio, s_ssl, BIO_NOCLOSE);
 569
 570         do
 571                 {
 572                 /* c_ssl_bio:          SSL filter BIO
 573                  *
 574                  * client:             pseudo-I/O for SSL library
 575                  *
 576                  * client_io:          client's SSL communication; usually to be
 577                  *                     relayed over some I/O facility, but in this
 578                  *                     test program, we're the server, too:
 579                  *
 580                  * server_io:          server's SSL communication
 581                  *
 582                  * server:             pseudo-I/O for SSL library
 583                  *
 584                  * s_ssl_bio:          SSL filter BIO
 585                  *
 586                  * The client and the server each employ a "BIO pair":
 587                  * client + client_io, server + server_io.
 588                  * BIO pairs are symmetric.  A BIO pair behaves similar
 589                  * to a non-blocking socketpair (but both endpoints must
 590                  * be handled by the same thread).
 591                  * [Here we could connect client and server to the ends
 592                  * of a single BIO pair, but then this code would be less
 593                  * suitable as an example for BIO pairs in general.]
 594                  *
 595                  * Useful functions for querying the state of BIO pair endpoints:
 596                  *
 597                  * BIO_ctrl_pending(bio)              number of bytes we can read now
 598                  * BIO_ctrl_get_read_request(bio)     number of bytes needed to fulfil
 599                  *                                      other side's read attempt
 600                  * BIO_ctrl_get_write_guarantee(bio)   number of bytes we can write now
 601                  *
 602                  * ..._read_request is never more than ..._write_guarantee;
 603                  * it depends on the application which one you should use.
 604                  */
 605
 606                 /* We have non-blocking behaviour throughout this test program, but
 607                  * can be sure that there is *some* progress in each iteration; so
 608                  * we don't have to worry about ..._SHOULD_READ or ..._SHOULD_WRITE
 609                  * -- we just try everything in each iteration
 610                  */
 611
 612                         {
 613                         /* CLIENT */
 614
 615                         MS_STATIC char cbuf[1024*8];
 616                         int i, r;
 617                         clock_t c_clock = clock();
 618
 619                         if (debug)
 620                                 if (SSL_in_init(c_ssl))
 621                                         printf("client waiting in SSL_connect - %s\n",
 622                                                 SSL_state_string_long(c_ssl));
 623
 624                         if (cw_num > 0)
 625                                 {
 626                                 /* Write to server. */
 627
 628                                 if (cw_num > (long)sizeof cbuf)
 629                                         i = sizeof cbuf;
 630                                 else
 631                                         i = (int)cw_num;
 632                                 r = BIO_write(c_ssl_bio, cbuf, i);
 633                                 if (r < 0)
 634                                         {
 635                                         if (!BIO_should_retry(c_ssl_bio))
 636                                                 {
 637                                                 fprintf(stderr,"ERROR in CLIENT\n");
 638                                                 goto err;
 639                                                 }
 640                                         /* BIO_should_retry(...) can just be ignored here.
 641                                          * The library expects us to call BIO_write with
 642                                          * the same arguments again, and that's what we will
 643                                          * do in the next iteration. */
 644                                         }
 645                                 else if (r == 0)
 646                                         {
 647                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
 648                                         goto err;
 649                                         }
 650                                 else
 651                                         {
 652                                         if (debug)
 653                                                 printf("client wrote %d\n", r);
 654                                         cw_num -= r;
 655                                         }
 656                                 }
 657
 658                         if (cr_num > 0)
 659                                 {
 660                                 /* Read from server. */
 661
 662                                 r = BIO_read(c_ssl_bio, cbuf, sizeof(cbuf));
 663                                 if (r < 0)
 664                                         {
 665                                         if (!BIO_should_retry(c_ssl_bio))
 666                                                 {
 667                                                 fprintf(stderr,"ERROR in CLIENT\n");
 668                                                 goto err;
 669                                                 }
 670                                         /* Again, "BIO_should_retry" can be ignored. */
 671                                         }
 672                                 else if (r == 0)
 673                                         {
 674                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
 675                                         goto err;
 676                                         }
 677                                 else
 678                                         {
 679                                         if (debug)
 680                                                 printf("client read %d\n", r);
 681                                         cr_num -= r;
 682                                         }
 683                                 }
 684
 685                         /* c_time and s_time increments will typically be very small
 686                          * (depending on machine speed and clock tick intervals),
 687                          * but sampling over a large number of connections should
 688                          * result in fairly accurate figures.  We cannot guarantee
 689                          * a lot, however -- if each connection lasts for exactly
 690                          * one clock tick, it will be counted only for the client
 691                          * or only for the server or even not at all.
 692                          */
 693                         *c_time += (clock() - c_clock);
 694                         }
 695
 696                         {
 697                         /* SERVER */
 698
 699                         MS_STATIC char sbuf[1024*8];
 700                         int i, r;
 701                         clock_t s_clock = clock();
 702
 703                         if (debug)
 704                                 if (SSL_in_init(s_ssl))
 705                                         printf("server waiting in SSL_accept - %s\n",
 706                                                 SSL_state_string_long(s_ssl));
 707
 708                         if (sw_num > 0)
 709                                 {
 710                                 /* Write to client. */
 711
 712                                 if (sw_num > (long)sizeof sbuf)
 713                                         i = sizeof sbuf;
 714                                 else
 715                                         i = (int)sw_num;
 716                                 r = BIO_write(s_ssl_bio, sbuf, i);
 717                                 if (r < 0)
 718                                         {
 719                                         if (!BIO_should_retry(s_ssl_bio))
 720                                                 {
 721                                                 fprintf(stderr,"ERROR in SERVER\n");
 722                                                 goto err;
 723                                                 }
 724                                         /* Ignore "BIO_should_retry". */
 725                                         }
 726                                 else if (r == 0)
 727                                         {
 728                                         fprintf(stderr,"SSL SERVER STARTUP FAILED\n");
 729                                         goto err;
 730                                         }
 731                                 else
 732                                         {
 733                                         if (debug)
 734                                                 printf("server wrote %d\n", r);
 735                                         sw_num -= r;
 736                                         }
 737                                 }
 738
 739                         if (sr_num > 0)
 740                                 {
 741                                 /* Read from client. */
 742
 743                                 r = BIO_read(s_ssl_bio, sbuf, sizeof(sbuf));
 744                                 if (r < 0)
 745                                         {
 746                                         if (!BIO_should_retry(s_ssl_bio))
 747                                                 {
 748                                                 fprintf(stderr,"ERROR in SERVER\n");
 749                                                 goto err;
 750                                                 }
 751                                         /* blah, blah */
 752                                         }
 753                                 else if (r == 0)
 754                                         {
 755                                         fprintf(stderr,"SSL SERVER STARTUP FAILED\n");
 756                                         goto err;
 757                                         }
 758                                 else
 759                                         {
 760                                         if (debug)
 761                                                 printf("server read %d\n", r);
 762                                         sr_num -= r;
 763                                         }
 764                                 }
 765
 766                         *s_time += (clock() - s_clock);
 767                         }
 768
 769                         {
 770                         /* "I/O" BETWEEN CLIENT AND SERVER. */
 771
 772                         size_t r1, r2;
 773                         BIO *io1 = server_io, *io2 = client_io;
 774                         /* we use the non-copying interface for io1
 775                          * and the standard BIO_write/BIO_read interface for io2
 776                          */
 777
 778                         static int prev_progress = 1;
 779                         int progress = 0;
 780
 781                         /* io1 to io2 */
 782                         do
 783                                 {
 784                                 size_t num;
 785                                 int r;
 786
 787                                 r1 = BIO_ctrl_pending(io1);
 788                                 r2 = BIO_ctrl_get_write_guarantee(io2);
 789
 790                                 num = r1;
 791                                 if (r2 < num)
 792                                         num = r2;
 793                                 if (num)
 794                                         {
 795                                         char *dataptr;
 796
 797                                         if (INT_MAX < num) /* yeah, right */
 798                                                 num = INT_MAX;
 799
 800                                         r = BIO_nread(io1, &dataptr, (int)num);
 801                                         assert(r > 0);
 802                                         assert(r <= (int)num);
 803                                         /* possibly r < num (non-contiguous data) */
 804                                         num = r;
 805                                         r = BIO_write(io2, dataptr, (int)num);
 806                                         if (r != (int)num) /* can't happen */
 807                                                 {
 808                                                 fprintf(stderr, "ERROR: BIO_write could not write "
 809                                                         "BIO_ctrl_get_write_guarantee() bytes");
 810                                                 goto err;
 811                                                 }
 812                                         progress = 1;
 813
 814                                         if (debug)
 815                                                 printf((io1 == client_io) ?
 816                                                         "C->S relaying: %d bytes\n" :
 817                                                         "S->C relaying: %d bytes\n",
 818                                                         (int)num);
 819                                         }
 820                                 }
 821                         while (r1 && r2);
 822
 823                         /* io2 to io1 */
 824                         {
 825                                 size_t num;
 826                                 int r;
 827
 828                                 r1 = BIO_ctrl_pending(io2);
 829                                 r2 = BIO_ctrl_get_read_request(io1);
 830                                 /* here we could use ..._get_write_guarantee instead of
 831                                  * ..._get_read_request, but by using the latter
 832                                  * we test restartability of the SSL implementation
 833                                  * more thoroughly */
 834                                 num = r1;
 835                                 if (r2 < num)
 836                                         num = r2;
 837                                 if (num)
 838                                         {
 839                                         char *dataptr;
 840
 841                                         if (INT_MAX < num)
 842                                                 num = INT_MAX;
 843
 844                                         if (num > 1)
 845                                                 --num; /* test restartability even more thoroughly */
 846
 847                                         r = BIO_nwrite(io1, &dataptr, (int)num);
 848                                         assert(r > 0);
 849                                         assert(r <= (int)num);
 850                                         num = r;
 851                                         r = BIO_read(io2, dataptr, (int)num);
 852                                         if (r != (int)num) /* can't happen */
 853                                                 {
 854                                                 fprintf(stderr, "ERROR: BIO_read could not read "
 855                                                         "BIO_ctrl_pending() bytes");
 856                                                 goto err;
 857                                                 }
 858                                         progress = 1;
 859
 860                                         if (debug)
 861                                                 printf((io2 == client_io) ?
 862                                                         "C->S relaying: %d bytes\n" :
 863                                                         "S->C relaying: %d bytes\n",
 864                                                         (int)num);
 865                                         }
 866                         } /* no loop, BIO_ctrl_get_read_request now returns 0 anyway */
 867
 868                         if (!progress && !prev_progress)
 869                                 if (cw_num > 0 || cr_num > 0 || sw_num > 0 || sr_num > 0)
 870                                         {
 871                                         fprintf(stderr, "ERROR: got stuck\n");
 872                                         if (strcmp("SSLv2", SSL_get_version(c_ssl)) == 0)
 873                                                 {
 874                                                 fprintf(stderr, "This can happen for SSL2 because "
 875                                                         "CLIENT-FINISHED and SERVER-VERIFY are written \n"
 876                                                         "concurrently ...");
 877                                                 if (strncmp("2SCF", SSL_state_string(c_ssl), 4) == 0
 878                                                         && strncmp("2SSV", SSL_state_string(s_ssl), 4) == 0)
 879                                                         {
 880                                                         fprintf(stderr, " ok.\n");
 881                                                         goto end;
 882                                                         }
 883                                                 }
 884                                         fprintf(stderr, " ERROR.\n");
 885                                         goto err;
 886                                         }
 887                         prev_progress = progress;
 888                         }
 889                 }
 890         while (cw_num > 0 || cr_num > 0 || sw_num > 0 || sr_num > 0);
 891
 892         if (verbose)
 893                 print_details(c_ssl, "DONE via BIO pair: ");
 894 end:
 895         ret = 0;
 896
 897  err:
 898         ERR_print_errors(bio_err);
 899
 900         if (server)
 901                 BIO_free(server);
 902         if (server_io)
 903                 BIO_free(server_io);
 904         if (client)
 905                 BIO_free(client);
 906         if (client_io)
 907                 BIO_free(client_io);
 908         if (s_ssl_bio)
 909                 BIO_free(s_ssl_bio);
 910         if (c_ssl_bio)
 911                 BIO_free(c_ssl_bio);
 912
 913         return ret;
 914         }
 915
 916
 917 #define W_READ  1
 918 #define W_WRITE 2
 919 #define C_DONE  1
 920 #define S_DONE  2
 921
 922 int doit(SSL *s_ssl, SSL *c_ssl, long count)
 923         {
 924         MS_STATIC char cbuf[1024*8],sbuf[1024*8];
 925         long cw_num=count,cr_num=count;
 926         long sw_num=count,sr_num=count;
 927         int ret=1;
 928         BIO *c_to_s=NULL;
 929         BIO *s_to_c=NULL;
 930         BIO *c_bio=NULL;
 931         BIO *s_bio=NULL;
 932         int c_r,c_w,s_r,s_w;
 933         int c_want,s_want;
 934         int i,j;
 935         int done=0;
 936         int c_write,s_write;
 937         int do_server=0,do_client=0;
 938
 939         c_to_s=BIO_new(BIO_s_mem());
 940         s_to_c=BIO_new(BIO_s_mem());
 941         if ((s_to_c == NULL) || (c_to_s == NULL))
 942                 {
 943                 ERR_print_errors(bio_err);
 944                 goto err;
 945                 }
 946
 947         c_bio=BIO_new(BIO_f_ssl());
 948         s_bio=BIO_new(BIO_f_ssl());
 949         if ((c_bio == NULL) || (s_bio == NULL))
 950                 {
 951                 ERR_print_errors(bio_err);
 952                 goto err;
 953                 }
 954
 955         SSL_set_connect_state(c_ssl);
 956         SSL_set_bio(c_ssl,s_to_c,c_to_s);
 957         BIO_set_ssl(c_bio,c_ssl,BIO_NOCLOSE);
 958
 959         SSL_set_accept_state(s_ssl);
 960         SSL_set_bio(s_ssl,c_to_s,s_to_c);
 961         BIO_set_ssl(s_bio,s_ssl,BIO_NOCLOSE);
 962
 963         c_r=0; s_r=1;
 964         c_w=1; s_w=0;
 965         c_want=W_WRITE;
 966         s_want=0;
 967         c_write=1,s_write=0;
 968
 969         /* We can always do writes */
 970         for (;;)
 971                 {
 972                 do_server=0;
 973                 do_client=0;
 974
 975                 i=(int)BIO_pending(s_bio);
 976                 if ((i && s_r) || s_w) do_server=1;
 977
 978                 i=(int)BIO_pending(c_bio);
 979                 if ((i && c_r) || c_w) do_client=1;
 980
 981                 if (do_server && debug)
 982                         {
 983                         if (SSL_in_init(s_ssl))
 984                                 printf("server waiting in SSL_accept - %s\n",
 985                                         SSL_state_string_long(s_ssl));
 986 /*                      else if (s_write)
 987                                 printf("server:SSL_write()\n");
 988                         else
 989                                 printf("server:SSL_read()\n"); */
 990                         }
 991
 992                 if (do_client && debug)
 993                         {
 994                         if (SSL_in_init(c_ssl))
 995                                 printf("client waiting in SSL_connect - %s\n",
 996                                         SSL_state_string_long(c_ssl));
 997 /*                      else if (c_write)
 998                                 printf("client:SSL_write()\n");
 999                         else
1000                                 printf("client:SSL_read()\n"); */
1001                         }
1002
1003                 if (!do_client && !do_server)
1004                         {
1005                         fprintf(stdout,"ERROR IN STARTUP\n");
1006                         ERR_print_errors(bio_err);
1007                         break;
1008                         }
1009                 if (do_client && !(done & C_DONE))
1010                         {
1011                         if (c_write)
1012                                 {
1013                                 j=(cw_num > (long)sizeof(cbuf))
1014                                         ?sizeof(cbuf):(int)cw_num;
1015                                 i=BIO_write(c_bio,cbuf,j);
1016                                 if (i < 0)
1017                                         {
1018                                         c_r=0;
1019                                         c_w=0;
1020                                         if (BIO_should_retry(c_bio))
1021                                                 {
1022                                                 if (BIO_should_read(c_bio))
1023                                                         c_r=1;
1024                                                 if (BIO_should_write(c_bio))
1025                                                         c_w=1;
1026                                                 }
1027                                         else
1028                                                 {
1029                                                 fprintf(stderr,"ERROR in CLIENT\n");
1030                                                 ERR_print_errors(bio_err);
1031                                                 goto err;
1032                                                 }
1033                                         }
1034                                 else if (i == 0)
1035                                         {
1036                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
1037                                         goto err;
1038                                         }
1039                                 else
1040                                         {
1041                                         if (debug)
1042                                                 printf("client wrote %d\n",i);
1043                                         /* ok */
1044                                         s_r=1;
1045                                         c_write=0;
1046                                         cw_num-=i;
1047                                         }
1048                                 }
1049                         else
1050                                 {
1051                                 i=BIO_read(c_bio,cbuf,sizeof(cbuf));
1052                                 if (i < 0)
1053                                         {
1054                                         c_r=0;
1055                                         c_w=0;
1056                                         if (BIO_should_retry(c_bio))
1057                                                 {
1058                                                 if (BIO_should_read(c_bio))
1059                                                         c_r=1;
1060                                                 if (BIO_should_write(c_bio))
1061                                                         c_w=1;
1062                                                 }
1063                                         else
1064                                                 {
1065                                                 fprintf(stderr,"ERROR in CLIENT\n");
1066                                                 ERR_print_errors(bio_err);
1067                                                 goto err;
1068                                                 }
1069                                         }
1070                                 else if (i == 0)
1071                                         {
1072                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
1073                                         goto err;
1074                                         }
1075                                 else
1076                                         {
1077                                         if (debug)
1078                                                 printf("client read %d\n",i);
1079                                         cr_num-=i;
1080                                         if (sw_num > 0)
1081                                                 {
1082                                                 s_write=1;
1083                                                 s_w=1;
1084                                                 }
1085                                         if (cr_num <= 0)
1086                                                 {
1087                                                 s_write=1;
1088                                                 s_w=1;
1089                                                 done=S_DONE|C_DONE;
1090                                                 }
1091                                         }
1092                                 }
1093                         }
1094
1095                 if (do_server && !(done & S_DONE))
1096                         {
1097                         if (!s_write)
1098                                 {
1099                                 i=BIO_read(s_bio,sbuf,sizeof(cbuf));
1100                                 if (i < 0)
1101                                         {
1102                                         s_r=0;
1103                                         s_w=0;
1104                                         if (BIO_should_retry(s_bio))
1105                                                 {
1106                                                 if (BIO_should_read(s_bio))
1107                                                         s_r=1;
1108                                                 if (BIO_should_write(s_bio))
1109                                                         s_w=1;
1110                                                 }
1111                                         else
1112                                                 {
1113                                                 fprintf(stderr,"ERROR in SERVER\n");
1114                                                 ERR_print_errors(bio_err);
1115                                                 goto err;
1116                                                 }
1117                                         }
1118                                 else if (i == 0)
1119                                         {
1120                                         ERR_print_errors(bio_err);
1121                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_read\n");
1122                                         goto err;
1123                                         }
1124                                 else
1125                                         {
1126                                         if (debug)
1127                                                 printf("server read %d\n",i);
1128                                         sr_num-=i;
1129                                         if (cw_num > 0)
1130                                                 {
1131                                                 c_write=1;
1132                                                 c_w=1;
1133                                                 }
1134                                         if (sr_num <= 0)
1135                                                 {
1136                                                 s_write=1;
1137                                                 s_w=1;
1138                                                 c_write=0;
1139                                                 }
1140                                         }
1141                                 }
1142                         else
1143                                 {
1144                                 j=(sw_num > (long)sizeof(sbuf))?
1145                                         sizeof(sbuf):(int)sw_num;
1146                                 i=BIO_write(s_bio,sbuf,j);
1147                                 if (i < 0)
1148                                         {
1149                                         s_r=0;
1150                                         s_w=0;
1151                                         if (BIO_should_retry(s_bio))
1152                                                 {
1153                                                 if (BIO_should_read(s_bio))
1154                                                         s_r=1;
1155                                                 if (BIO_should_write(s_bio))
1156                                                         s_w=1;
1157                                                 }
1158                                         else
1159                                                 {
1160                                                 fprintf(stderr,"ERROR in SERVER\n");
1161                                                 ERR_print_errors(bio_err);
1162                                                 goto err;
1163                                                 }
1164                                         }
1165                                 else if (i == 0)
1166                                         {
1167                                         ERR_print_errors(bio_err);
1168                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_write\n");
1169                                         goto err;
1170                                         }
1171                                 else
1172                                         {
1173                                         if (debug)
1174                                                 printf("server wrote %d\n",i);
1175                                         sw_num-=i;
1176                                         s_write=0;
1177                                         c_r=1;
1178                                         if (sw_num <= 0)
1179                                                 done|=S_DONE;
1180                                         }
1181                                 }
1182                         }
1183
1184                 if ((done & S_DONE) && (done & C_DONE)) break;
1185                 }
1186
1187         if (verbose)
1188                 print_details(c_ssl, "DONE: ");
1189         ret=0;
1190 err:
1191         /* We have to set the BIO's to NULL otherwise they will be
1192          * Free()ed twice.  Once when th s_ssl is SSL_free()ed and
1193          * again when c_ssl is SSL_free()ed.
1194          * This is a hack required because s_ssl and c_ssl are sharing the same
1195          * BIO structure and SSL_set_bio() and SSL_free() automatically
1196          * BIO_free non NULL entries.
1197          * You should not normally do this or be required to do this */
1198         if (s_ssl != NULL)
1199                 {
1200                 s_ssl->rbio=NULL;
1201                 s_ssl->wbio=NULL;
1202                 }
1203         if (c_ssl != NULL)
1204                 {
1205                 c_ssl->rbio=NULL;
1206                 c_ssl->wbio=NULL;
1207                 }
1208
1209         if (c_to_s != NULL) BIO_free(c_to_s);
1210         if (s_to_c != NULL) BIO_free(s_to_c);
1211         if (c_bio != NULL) BIO_free_all(c_bio);
1212         if (s_bio != NULL) BIO_free_all(s_bio);
1213         return(ret);
1214         }
1215
1216 static int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx)
1217         {
1218         char *s,buf[256];
1219
1220         s=X509_NAME_oneline(X509_get_subject_name(ctx->current_cert),buf,256);
1221         if (s != NULL)
1222                 {
1223                 if (ok)
1224                         fprintf(stderr,"depth=%d %s\n",ctx->error_depth,buf);
1225                 else
1226                         fprintf(stderr,"depth=%d error=%d %s\n",
1227                                 ctx->error_depth,ctx->error,buf);
1228                 }
1229
1230         if (ok == 0)
1231                 {
1232                 switch (ctx->error)
1233                         {
1234                 case X509_V_ERR_CERT_NOT_YET_VALID:
1235                 case X509_V_ERR_CERT_HAS_EXPIRED:
1236                 case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
1237                         ok=1;
1238                         }
1239                 }
1240
1241         return(ok);
1242         }
1243
1244 #ifndef NO_RSA
1245 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
1246         {
1247         static RSA *rsa_tmp=NULL;
1248
1249         if (rsa_tmp == NULL)
1250                 {
1251                 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
1252                 (void)BIO_flush(bio_err);
1253                 rsa_tmp=RSA_generate_key(keylength,RSA_F4,NULL,NULL);
1254                 BIO_printf(bio_err,"\n");
1255                 (void)BIO_flush(bio_err);
1256                 }
1257         return(rsa_tmp);
1258         }
1259 #endif
1260
1261 #ifndef NO_DH
1262 /* These DH parameters have been generated as follows:
1263  *    $ openssl dhparam -C -noout 512
1264  *    $ openssl dhparam -C -noout 1024
1265  *    $ openssl dhparam -C -noout -dsaparam 1024
1266  * (The third function has been renamed to avoid name conflicts.)
1267  */
1268 DH *get_dh512()
1269         {
1270         static unsigned char dh512_p[]={
1271                 0xCB,0xC8,0xE1,0x86,0xD0,0x1F,0x94,0x17,0xA6,0x99,0xF0,0xC6,
1272                 0x1F,0x0D,0xAC,0xB6,0x25,0x3E,0x06,0x39,0xCA,0x72,0x04,0xB0,
1273                 0x6E,0xDA,0xC0,0x61,0xE6,0x7A,0x77,0x25,0xE8,0x3B,0xB9,0x5F,
1274                 0x9A,0xB6,0xB5,0xFE,0x99,0x0B,0xA1,0x93,0x4E,0x35,0x33,0xB8,
1275                 0xE1,0xF1,0x13,0x4F,0x59,0x1A,0xD2,0x57,0xC0,0x26,0x21,0x33,
1276                 0x02,0xC5,0xAE,0x23,
1277                 };
1278         static unsigned char dh512_g[]={
1279                 0x02,
1280                 };
1281         DH *dh;
1282
1283         if ((dh=DH_new()) == NULL) return(NULL);
1284         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
1285         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
1286         if ((dh->p == NULL) || (dh->g == NULL))
1287                 { DH_free(dh); return(NULL); }
1288         return(dh);
1289         }
1290
1291 DH *get_dh1024()
1292         {
1293         static unsigned char dh1024_p[]={
1294                 0xF8,0x81,0x89,0x7D,0x14,0x24,0xC5,0xD1,0xE6,0xF7,0xBF,0x3A,
1295                 0xE4,0x90,0xF4,0xFC,0x73,0xFB,0x34,0xB5,0xFA,0x4C,0x56,0xA2,
1296                 0xEA,0xA7,0xE9,0xC0,0xC0,0xCE,0x89,0xE1,0xFA,0x63,0x3F,0xB0,
1297                 0x6B,0x32,0x66,0xF1,0xD1,0x7B,0xB0,0x00,0x8F,0xCA,0x87,0xC2,
1298                 0xAE,0x98,0x89,0x26,0x17,0xC2,0x05,0xD2,0xEC,0x08,0xD0,0x8C,
1299                 0xFF,0x17,0x52,0x8C,0xC5,0x07,0x93,0x03,0xB1,0xF6,0x2F,0xB8,
1300                 0x1C,0x52,0x47,0x27,0x1B,0xDB,0xD1,0x8D,0x9D,0x69,0x1D,0x52,
1301                 0x4B,0x32,0x81,0xAA,0x7F,0x00,0xC8,0xDC,0xE6,0xD9,0xCC,0xC1,
1302                 0x11,0x2D,0x37,0x34,0x6C,0xEA,0x02,0x97,0x4B,0x0E,0xBB,0xB1,
1303                 0x71,0x33,0x09,0x15,0xFD,0xDD,0x23,0x87,0x07,0x5E,0x89,0xAB,
1304                 0x6B,0x7C,0x5F,0xEC,0xA6,0x24,0xDC,0x53,
1305                 };
1306         static unsigned char dh1024_g[]={
1307                 0x02,
1308                 };
1309         DH *dh;
1310
1311         if ((dh=DH_new()) == NULL) return(NULL);
1312         dh->p=BN_bin2bn(dh1024_p,sizeof(dh1024_p),NULL);
1313         dh->g=BN_bin2bn(dh1024_g,sizeof(dh1024_g),NULL);
1314         if ((dh->p == NULL) || (dh->g == NULL))
1315                 { DH_free(dh); return(NULL); }
1316         return(dh);
1317         }
1318
1319 DH *get_dh1024dsa()
1320         {
1321         static unsigned char dh1024_p[]={
1322                 0xC8,0x00,0xF7,0x08,0x07,0x89,0x4D,0x90,0x53,0xF3,0xD5,0x00,
1323                 0x21,0x1B,0xF7,0x31,0xA6,0xA2,0xDA,0x23,0x9A,0xC7,0x87,0x19,
1324                 0x3B,0x47,0xB6,0x8C,0x04,0x6F,0xFF,0xC6,0x9B,0xB8,0x65,0xD2,
1325                 0xC2,0x5F,0x31,0x83,0x4A,0xA7,0x5F,0x2F,0x88,0x38,0xB6,0x55,
1326                 0xCF,0xD9,0x87,0x6D,0x6F,0x9F,0xDA,0xAC,0xA6,0x48,0xAF,0xFC,
1327                 0x33,0x84,0x37,0x5B,0x82,0x4A,0x31,0x5D,0xE7,0xBD,0x52,0x97,
1328                 0xA1,0x77,0xBF,0x10,0x9E,0x37,0xEA,0x64,0xFA,0xCA,0x28,0x8D,
1329                 0x9D,0x3B,0xD2,0x6E,0x09,0x5C,0x68,0xC7,0x45,0x90,0xFD,0xBB,
1330                 0x70,0xC9,0x3A,0xBB,0xDF,0xD4,0x21,0x0F,0xC4,0x6A,0x3C,0xF6,
1331                 0x61,0xCF,0x3F,0xD6,0x13,0xF1,0x5F,0xBC,0xCF,0xBC,0x26,0x9E,
1332                 0xBC,0x0B,0xBD,0xAB,0x5D,0xC9,0x54,0x39,
1333                 };
1334         static unsigned char dh1024_g[]={
1335                 0x3B,0x40,0x86,0xE7,0xF3,0x6C,0xDE,0x67,0x1C,0xCC,0x80,0x05,
1336                 0x5A,0xDF,0xFE,0xBD,0x20,0x27,0x74,0x6C,0x24,0xC9,0x03,0xF3,
1337                 0xE1,0x8D,0xC3,0x7D,0x98,0x27,0x40,0x08,0xB8,0x8C,0x6A,0xE9,
1338                 0xBB,0x1A,0x3A,0xD6,0x86,0x83,0x5E,0x72,0x41,0xCE,0x85,0x3C,
1339                 0xD2,0xB3,0xFC,0x13,0xCE,0x37,0x81,0x9E,0x4C,0x1C,0x7B,0x65,
1340                 0xD3,0xE6,0xA6,0x00,0xF5,0x5A,0x95,0x43,0x5E,0x81,0xCF,0x60,
1341                 0xA2,0x23,0xFC,0x36,0xA7,0x5D,0x7A,0x4C,0x06,0x91,0x6E,0xF6,
1342                 0x57,0xEE,0x36,0xCB,0x06,0xEA,0xF5,0x3D,0x95,0x49,0xCB,0xA7,
1343                 0xDD,0x81,0xDF,0x80,0x09,0x4A,0x97,0x4D,0xA8,0x22,0x72,0xA1,
1344                 0x7F,0xC4,0x70,0x56,0x70,0xE8,0x20,0x10,0x18,0x8F,0x2E,0x60,
1345                 0x07,0xE7,0x68,0x1A,0x82,0x5D,0x32,0xA2,
1346                 };
1347         DH *dh;
1348
1349         if ((dh=DH_new()) == NULL) return(NULL);
1350         dh->p=BN_bin2bn(dh1024_p,sizeof(dh1024_p),NULL);
1351         dh->g=BN_bin2bn(dh1024_g,sizeof(dh1024_g),NULL);
1352         if ((dh->p == NULL) || (dh->g == NULL))
1353                 { DH_free(dh); return(NULL); }
1354         dh->length = 160;
1355         return(dh);
1356         }
1357 #endif