engines/e_ubsec.c

   1 /* crypto/engine/hw_ubsec.c */
   2 /* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL
   3  * project 2000.
   4  *
   5  * Cloned shamelessly by Joe Tardo.
   6  */
   7 /* ====================================================================
   8  * Copyright (c) 1999-2001 The OpenSSL Project.  All rights reserved.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  *
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions and the following disclaimer.
  16  *
  17  * 2. Redistributions in binary form must reproduce the above copyright
  18  *    notice, this list of conditions and the following disclaimer in
  19  *    the documentation and/or other materials provided with the
  20  *    distribution.
  21  *
  22  * 3. All advertising materials mentioning features or use of this
  23  *    software must display the following acknowledgment:
  24  *    "This product includes software developed by the OpenSSL Project
  25  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
  26  *
  27  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  28  *    endorse or promote products derived from this software without
  29  *    prior written permission. For written permission, please contact
  30  *    licensing@OpenSSL.org.
  31  *
  32  * 5. Products derived from this software may not be called "OpenSSL"
  33  *    nor may "OpenSSL" appear in their names without prior written
  34  *    permission of the OpenSSL Project.
  35  *
  36  * 6. Redistributions of any form whatsoever must retain the following
  37  *    acknowledgment:
  38  *    "This product includes software developed by the OpenSSL Project
  39  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  42  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  44  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  45  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  46  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  47  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  48  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  49  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  50  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  51  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  52  * OF THE POSSIBILITY OF SUCH DAMAGE.
  53  * ====================================================================
  54  *
  55  * This product includes cryptographic software written by Eric Young
  56  * (eay@cryptsoft.com).  This product includes software written by Tim
  57  * Hudson (tjh@cryptsoft.com).
  58  *
  59  */
  60
  61 #include <stdio.h>
  62 #include <string.h>
  63 #include <openssl/crypto.h>
  64 #include <openssl/buffer.h>
  65 #include <openssl/dso.h>
  66 #include <openssl/engine.h>
  67
  68 #ifndef OPENSSL_NO_HW
  69 #ifndef OPENSSL_NO_HW_UBSEC
  70
  71 #ifdef FLAT_INC
  72 #include "hw_ubsec.h"
  73 #else
  74 #include "vendor_defns/hw_ubsec.h"
  75 #endif
  76
  77 #define UBSEC_LIB_NAME "ubsec engine"
  78 #include "e_ubsec_err.c"
  79
  80 #define FAIL_TO_SOFTWARE -15
  81
  82 static int ubsec_destroy(ENGINE *e);
  83 static int ubsec_init(ENGINE *e);
  84 static int ubsec_finish(ENGINE *e);
  85 static int ubsec_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)());
  86 static int ubsec_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
  87                 const BIGNUM *m, BN_CTX *ctx);
  88 static int ubsec_mod_exp_crt(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
  89                         const BIGNUM *q, const BIGNUM *dp,
  90                         const BIGNUM *dq, const BIGNUM *qinv, BN_CTX *ctx);
  91 #ifndef OPENSSL_NO_RSA
  92 static int ubsec_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa);
  93 #endif
  94 static int ubsec_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
  95                 const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
  96 #ifndef OPENSSL_NO_DSA
  97 #ifdef NOT_USED
  98 static int ubsec_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1,
  99                 BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m,
 100                 BN_CTX *ctx, BN_MONT_CTX *in_mont);
 101 static int ubsec_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a,
 102                 const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
 103                 BN_MONT_CTX *m_ctx);
 104 #endif
 105 static DSA_SIG *ubsec_dsa_do_sign(const unsigned char *dgst, int dlen, DSA *dsa);
 106 static int ubsec_dsa_verify(const unsigned char *dgst, int dgst_len,
 107                                 DSA_SIG *sig, DSA *dsa);
 108 #endif
 109 #ifndef OPENSSL_NO_DH
 110 static int ubsec_mod_exp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a,
 111                 const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
 112                 BN_MONT_CTX *m_ctx);
 113 static int ubsec_dh_compute_key(unsigned char *key,const BIGNUM *pub_key,DH *dh);
 114 static int ubsec_dh_generate_key(DH *dh);
 115 #endif
 116
 117 #ifdef NOT_USED
 118 static int ubsec_rand_bytes(unsigned char *buf, int num);
 119 static int ubsec_rand_status(void);
 120 #endif
 121
 122 #define UBSEC_CMD_SO_PATH               ENGINE_CMD_BASE
 123 static const ENGINE_CMD_DEFN ubsec_cmd_defns[] = {
 124         {UBSEC_CMD_SO_PATH,
 125                 "SO_PATH",
 126                 "Specifies the path to the 'ubsec' shared library",
 127                 ENGINE_CMD_FLAG_STRING},
 128         {0, NULL, NULL, 0}
 129         };
 130
 131 #ifndef OPENSSL_NO_RSA
 132 /* Our internal RSA_METHOD that we provide pointers to */
 133 static RSA_METHOD ubsec_rsa =
 134         {
 135         "UBSEC RSA method",
 136         NULL,
 137         NULL,
 138         NULL,
 139         NULL,
 140         ubsec_rsa_mod_exp,
 141         ubsec_mod_exp_mont,
 142         NULL,
 143         NULL,
 144         0,
 145         NULL,
 146         NULL,
 147         NULL,
 148         NULL
 149         };
 150 #endif
 151
 152 #ifndef OPENSSL_NO_DSA
 153 /* Our internal DSA_METHOD that we provide pointers to */
 154 static DSA_METHOD ubsec_dsa =
 155         {
 156         "UBSEC DSA method",
 157         ubsec_dsa_do_sign, /* dsa_do_sign */
 158         NULL, /* dsa_sign_setup */
 159         ubsec_dsa_verify, /* dsa_do_verify */
 160         NULL, /* ubsec_dsa_mod_exp */ /* dsa_mod_exp */
 161         NULL, /* ubsec_mod_exp_dsa */ /* bn_mod_exp */
 162         NULL, /* init */
 163         NULL, /* finish */
 164         0, /* flags */
 165         NULL, /* app_data */
 166         NULL, /* dsa_paramgen */
 167         NULL /* dsa_keygen */
 168         };
 169 #endif
 170
 171 #ifndef OPENSSL_NO_DH
 172 /* Our internal DH_METHOD that we provide pointers to */
 173 static DH_METHOD ubsec_dh =
 174         {
 175         "UBSEC DH method",
 176         ubsec_dh_generate_key,
 177         ubsec_dh_compute_key,
 178         ubsec_mod_exp_dh,
 179         NULL,
 180         NULL,
 181         0,
 182         NULL,
 183         NULL
 184         };
 185 #endif
 186
 187 /* Constants used when creating the ENGINE */
 188 static const char *engine_ubsec_id = "ubsec";
 189 static const char *engine_ubsec_name = "UBSEC hardware engine support";
 190
 191 /* This internal function is used by ENGINE_ubsec() and possibly by the
 192  * "dynamic" ENGINE support too */
 193 static int bind_helper(ENGINE *e)
 194         {
 195 #ifndef OPENSSL_NO_RSA
 196         const RSA_METHOD *meth1;
 197 #endif
 198 #ifndef OPENSSL_NO_DH
 199 #ifndef HAVE_UBSEC_DH
 200         const DH_METHOD *meth3;
 201 #endif /* HAVE_UBSEC_DH */
 202 #endif
 203         if(!ENGINE_set_id(e, engine_ubsec_id) ||
 204                         !ENGINE_set_name(e, engine_ubsec_name) ||
 205 #ifndef OPENSSL_NO_RSA
 206                         !ENGINE_set_RSA(e, &ubsec_rsa) ||
 207 #endif
 208 #ifndef OPENSSL_NO_DSA
 209                         !ENGINE_set_DSA(e, &ubsec_dsa) ||
 210 #endif
 211 #ifndef OPENSSL_NO_DH
 212                         !ENGINE_set_DH(e, &ubsec_dh) ||
 213 #endif
 214                         !ENGINE_set_destroy_function(e, ubsec_destroy) ||
 215                         !ENGINE_set_init_function(e, ubsec_init) ||
 216                         !ENGINE_set_finish_function(e, ubsec_finish) ||
 217                         !ENGINE_set_ctrl_function(e, ubsec_ctrl) ||
 218                         !ENGINE_set_cmd_defns(e, ubsec_cmd_defns))
 219                 return 0;
 220
 221 #ifndef OPENSSL_NO_RSA
 222         /* We know that the "PKCS1_SSLeay()" functions hook properly
 223          * to the Broadcom-specific mod_exp and mod_exp_crt so we use
 224          * those functions. NB: We don't use ENGINE_openssl() or
 225          * anything "more generic" because something like the RSAref
 226          * code may not hook properly, and if you own one of these
 227          * cards then you have the right to do RSA operations on it
 228          * anyway! */
 229         meth1 = RSA_PKCS1_SSLeay();
 230         ubsec_rsa.rsa_pub_enc = meth1->rsa_pub_enc;
 231         ubsec_rsa.rsa_pub_dec = meth1->rsa_pub_dec;
 232         ubsec_rsa.rsa_priv_enc = meth1->rsa_priv_enc;
 233         ubsec_rsa.rsa_priv_dec = meth1->rsa_priv_dec;
 234 #endif
 235
 236 #ifndef OPENSSL_NO_DH
 237 #ifndef HAVE_UBSEC_DH
 238         /* Much the same for Diffie-Hellman */
 239         meth3 = DH_OpenSSL();
 240         ubsec_dh.generate_key = meth3->generate_key;
 241         ubsec_dh.compute_key = meth3->compute_key;
 242 #endif /* HAVE_UBSEC_DH */
 243 #endif
 244
 245         /* Ensure the ubsec error handling is set up */
 246         ERR_load_UBSEC_strings();
 247         return 1;
 248         }
 249
 250 #ifdef OPENSSL_NO_DYNAMIC_ENGINE
 251 static ENGINE *engine_ubsec(void)
 252         {
 253         ENGINE *ret = ENGINE_new();
 254         if(!ret)
 255                 return NULL;
 256         if(!bind_helper(ret))
 257                 {
 258                 ENGINE_free(ret);
 259                 return NULL;
 260                 }
 261         return ret;
 262         }
 263
 264 void ENGINE_load_ubsec(void)
 265         {
 266         /* Copied from eng_[openssl|dyn].c */
 267         ENGINE *toadd = engine_ubsec();
 268         if(!toadd) return;
 269         ENGINE_add(toadd);
 270         ENGINE_free(toadd);
 271         ERR_clear_error();
 272         }
 273 #endif
 274
 275 /* This is a process-global DSO handle used for loading and unloading
 276  * the UBSEC library. NB: This is only set (or unset) during an
 277  * init() or finish() call (reference counts permitting) and they're
 278  * operating with global locks, so this should be thread-safe
 279  * implicitly. */
 280
 281 static DSO *ubsec_dso = NULL;
 282
 283 /* These are the function pointers that are (un)set when the library has
 284  * successfully (un)loaded. */
 285
 286 static t_UBSEC_ubsec_bytes_to_bits *p_UBSEC_ubsec_bytes_to_bits = NULL;
 287 static t_UBSEC_ubsec_bits_to_bytes *p_UBSEC_ubsec_bits_to_bytes = NULL;
 288 static t_UBSEC_ubsec_open *p_UBSEC_ubsec_open = NULL;
 289 static t_UBSEC_ubsec_close *p_UBSEC_ubsec_close = NULL;
 290 #ifndef OPENSSL_NO_DH
 291 static t_UBSEC_diffie_hellman_generate_ioctl
 292         *p_UBSEC_diffie_hellman_generate_ioctl = NULL;
 293 static t_UBSEC_diffie_hellman_agree_ioctl *p_UBSEC_diffie_hellman_agree_ioctl = NULL;
 294 #endif
 295 /* #ifndef OPENSSL_NO_RSA */
 296 static t_UBSEC_rsa_mod_exp_ioctl *p_UBSEC_rsa_mod_exp_ioctl = NULL;
 297 static t_UBSEC_rsa_mod_exp_crt_ioctl *p_UBSEC_rsa_mod_exp_crt_ioctl = NULL;
 298 /* #endif */
 299 #ifndef OPENSSL_NO_DSA
 300 static t_UBSEC_dsa_sign_ioctl *p_UBSEC_dsa_sign_ioctl = NULL;
 301 static t_UBSEC_dsa_verify_ioctl *p_UBSEC_dsa_verify_ioctl = NULL;
 302 #endif
 303 static t_UBSEC_math_accelerate_ioctl *p_UBSEC_math_accelerate_ioctl = NULL;
 304 static t_UBSEC_rng_ioctl *p_UBSEC_rng_ioctl = NULL;
 305 static t_UBSEC_max_key_len_ioctl *p_UBSEC_max_key_len_ioctl = NULL;
 306
 307 static int max_key_len = 1024;  /* ??? */
 308
 309 /*
 310  * These are the static string constants for the DSO file name and the function
 311  * symbol names to bind to.
 312  */
 313
 314 static const char *UBSEC_LIBNAME = NULL;
 315 static const char *get_UBSEC_LIBNAME(void)
 316         {
 317         if(UBSEC_LIBNAME)
 318                 return UBSEC_LIBNAME;
 319         return "ubsec";
 320         }
 321 static void free_UBSEC_LIBNAME(void)
 322         {
 323         if(UBSEC_LIBNAME)
 324                 OPENSSL_free((void*)UBSEC_LIBNAME);
 325         UBSEC_LIBNAME = NULL;
 326         }
 327 static long set_UBSEC_LIBNAME(const char *name)
 328         {
 329         free_UBSEC_LIBNAME();
 330         return (((UBSEC_LIBNAME = BUF_strdup(name)) != NULL) ? 1 : 0);
 331         }
 332 static const char *UBSEC_F1 = "ubsec_bytes_to_bits";
 333 static const char *UBSEC_F2 = "ubsec_bits_to_bytes";
 334 static const char *UBSEC_F3 = "ubsec_open";
 335 static const char *UBSEC_F4 = "ubsec_close";
 336 #ifndef OPENSSL_NO_DH
 337 static const char *UBSEC_F5 = "diffie_hellman_generate_ioctl";
 338 static const char *UBSEC_F6 = "diffie_hellman_agree_ioctl";
 339 #endif
 340 /* #ifndef OPENSSL_NO_RSA */
 341 static const char *UBSEC_F7 = "rsa_mod_exp_ioctl";
 342 static const char *UBSEC_F8 = "rsa_mod_exp_crt_ioctl";
 343 /* #endif */
 344 #ifndef OPENSSL_NO_DSA
 345 static const char *UBSEC_F9 = "dsa_sign_ioctl";
 346 static const char *UBSEC_F10 = "dsa_verify_ioctl";
 347 #endif
 348 static const char *UBSEC_F11 = "math_accelerate_ioctl";
 349 static const char *UBSEC_F12 = "rng_ioctl";
 350 static const char *UBSEC_F13 = "ubsec_max_key_len_ioctl";
 351
 352 /* Destructor (complements the "ENGINE_ubsec()" constructor) */
 353 static int ubsec_destroy(ENGINE *e)
 354         {
 355         free_UBSEC_LIBNAME();
 356         ERR_unload_UBSEC_strings();
 357         return 1;
 358         }
 359
 360 /* (de)initialisation functions. */
 361 static int ubsec_init(ENGINE *e)
 362         {
 363         t_UBSEC_ubsec_bytes_to_bits *p1;
 364         t_UBSEC_ubsec_bits_to_bytes *p2;
 365         t_UBSEC_ubsec_open *p3;
 366         t_UBSEC_ubsec_close *p4;
 367 #ifndef OPENSSL_NO_DH
 368         t_UBSEC_diffie_hellman_generate_ioctl *p5;
 369         t_UBSEC_diffie_hellman_agree_ioctl *p6;
 370 #endif
 371 /* #ifndef OPENSSL_NO_RSA */
 372         t_UBSEC_rsa_mod_exp_ioctl *p7;
 373         t_UBSEC_rsa_mod_exp_crt_ioctl *p8;
 374 /* #endif */
 375 #ifndef OPENSSL_NO_DSA
 376         t_UBSEC_dsa_sign_ioctl *p9;
 377         t_UBSEC_dsa_verify_ioctl *p10;
 378 #endif
 379         t_UBSEC_math_accelerate_ioctl *p11;
 380         t_UBSEC_rng_ioctl *p12;
 381         t_UBSEC_max_key_len_ioctl *p13;
 382         int fd = 0;
 383
 384         if(ubsec_dso != NULL)
 385                 {
 386                 UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_ALREADY_LOADED);
 387                 goto err;
 388                 }
 389         /*
 390          * Attempt to load libubsec.so/ubsec.dll/whatever.
 391          */
 392         ubsec_dso = DSO_load(NULL, get_UBSEC_LIBNAME(), NULL, 0);
 393         if(ubsec_dso == NULL)
 394                 {
 395                 UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_DSO_FAILURE);
 396                 goto err;
 397                 }
 398
 399         if (
 400         !(p1 = (t_UBSEC_ubsec_bytes_to_bits *) DSO_bind_func(ubsec_dso, UBSEC_F1)) ||
 401         !(p2 = (t_UBSEC_ubsec_bits_to_bytes *) DSO_bind_func(ubsec_dso, UBSEC_F2)) ||
 402         !(p3 = (t_UBSEC_ubsec_open *) DSO_bind_func(ubsec_dso, UBSEC_F3)) ||
 403         !(p4 = (t_UBSEC_ubsec_close *) DSO_bind_func(ubsec_dso, UBSEC_F4)) ||
 404 #ifndef OPENSSL_NO_DH
 405         !(p5 = (t_UBSEC_diffie_hellman_generate_ioctl *)
 406                                 DSO_bind_func(ubsec_dso, UBSEC_F5)) ||
 407         !(p6 = (t_UBSEC_diffie_hellman_agree_ioctl *)
 408                                 DSO_bind_func(ubsec_dso, UBSEC_F6)) ||
 409 #endif
 410 /* #ifndef OPENSSL_NO_RSA */
 411         !(p7 = (t_UBSEC_rsa_mod_exp_ioctl *) DSO_bind_func(ubsec_dso, UBSEC_F7)) ||
 412         !(p8 = (t_UBSEC_rsa_mod_exp_crt_ioctl *) DSO_bind_func(ubsec_dso, UBSEC_F8)) ||
 413 /* #endif */
 414 #ifndef OPENSSL_NO_DSA
 415         !(p9 = (t_UBSEC_dsa_sign_ioctl *) DSO_bind_func(ubsec_dso, UBSEC_F9)) ||
 416         !(p10 = (t_UBSEC_dsa_verify_ioctl *) DSO_bind_func(ubsec_dso, UBSEC_F10)) ||
 417 #endif
 418         !(p11 = (t_UBSEC_math_accelerate_ioctl *)
 419                                 DSO_bind_func(ubsec_dso, UBSEC_F11)) ||
 420         !(p12 = (t_UBSEC_rng_ioctl *) DSO_bind_func(ubsec_dso, UBSEC_F12)) ||
 421         !(p13 = (t_UBSEC_max_key_len_ioctl *) DSO_bind_func(ubsec_dso, UBSEC_F13)))
 422                 {
 423                 UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_DSO_FAILURE);
 424                 goto err;
 425                 }
 426
 427         /* Copy the pointers */
 428         p_UBSEC_ubsec_bytes_to_bits = p1;
 429         p_UBSEC_ubsec_bits_to_bytes = p2;
 430         p_UBSEC_ubsec_open = p3;
 431         p_UBSEC_ubsec_close = p4;
 432 #ifndef OPENSSL_NO_DH
 433         p_UBSEC_diffie_hellman_generate_ioctl = p5;
 434         p_UBSEC_diffie_hellman_agree_ioctl = p6;
 435 #endif
 436 #ifndef OPENSSL_NO_RSA
 437         p_UBSEC_rsa_mod_exp_ioctl = p7;
 438         p_UBSEC_rsa_mod_exp_crt_ioctl = p8;
 439 #endif
 440 #ifndef OPENSSL_NO_DSA
 441         p_UBSEC_dsa_sign_ioctl = p9;
 442         p_UBSEC_dsa_verify_ioctl = p10;
 443 #endif
 444         p_UBSEC_math_accelerate_ioctl = p11;
 445         p_UBSEC_rng_ioctl = p12;
 446         p_UBSEC_max_key_len_ioctl = p13;
 447
 448         /* Perform an open to see if there's actually any unit running. */
 449         if (((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) > 0) && (p_UBSEC_max_key_len_ioctl(fd, &max_key_len) == 0))
 450         {
 451            p_UBSEC_ubsec_close(fd);
 452            return 1;
 453         }
 454         else
 455         {
 456           UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_UNIT_FAILURE);
 457         }
 458
 459 err:
 460         if(ubsec_dso)
 461                 DSO_free(ubsec_dso);
 462         p_UBSEC_ubsec_bytes_to_bits = NULL;
 463         p_UBSEC_ubsec_bits_to_bytes = NULL;
 464         p_UBSEC_ubsec_open = NULL;
 465         p_UBSEC_ubsec_close = NULL;
 466 #ifndef OPENSSL_NO_DH
 467         p_UBSEC_diffie_hellman_generate_ioctl = NULL;
 468         p_UBSEC_diffie_hellman_agree_ioctl = NULL;
 469 #endif
 470 #ifndef OPENSSL_NO_RSA
 471         p_UBSEC_rsa_mod_exp_ioctl = NULL;
 472         p_UBSEC_rsa_mod_exp_crt_ioctl = NULL;
 473 #endif
 474 #ifndef OPENSSL_NO_DSA
 475         p_UBSEC_dsa_sign_ioctl = NULL;
 476         p_UBSEC_dsa_verify_ioctl = NULL;
 477 #endif
 478         p_UBSEC_math_accelerate_ioctl = NULL;
 479         p_UBSEC_rng_ioctl = NULL;
 480         p_UBSEC_max_key_len_ioctl = NULL;
 481
 482         return 0;
 483         }
 484
 485 static int ubsec_finish(ENGINE *e)
 486         {
 487         free_UBSEC_LIBNAME();
 488         if(ubsec_dso == NULL)
 489                 {
 490                 UBSECerr(UBSEC_F_UBSEC_FINISH, UBSEC_R_NOT_LOADED);
 491                 return 0;
 492                 }
 493         if(!DSO_free(ubsec_dso))
 494                 {
 495                 UBSECerr(UBSEC_F_UBSEC_FINISH, UBSEC_R_DSO_FAILURE);
 496                 return 0;
 497                 }
 498         ubsec_dso = NULL;
 499         p_UBSEC_ubsec_bytes_to_bits = NULL;
 500         p_UBSEC_ubsec_bits_to_bytes = NULL;
 501         p_UBSEC_ubsec_open = NULL;
 502         p_UBSEC_ubsec_close = NULL;
 503 #ifndef OPENSSL_NO_DH
 504         p_UBSEC_diffie_hellman_generate_ioctl = NULL;
 505         p_UBSEC_diffie_hellman_agree_ioctl = NULL;
 506 #endif
 507 #ifndef OPENSSL_NO_RSA
 508         p_UBSEC_rsa_mod_exp_ioctl = NULL;
 509         p_UBSEC_rsa_mod_exp_crt_ioctl = NULL;
 510 #endif
 511 #ifndef OPENSSL_NO_DSA
 512         p_UBSEC_dsa_sign_ioctl = NULL;
 513         p_UBSEC_dsa_verify_ioctl = NULL;
 514 #endif
 515         p_UBSEC_math_accelerate_ioctl = NULL;
 516         p_UBSEC_rng_ioctl = NULL;
 517         p_UBSEC_max_key_len_ioctl = NULL;
 518         return 1;
 519         }
 520
 521 static int ubsec_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)())
 522         {
 523         int initialised = ((ubsec_dso == NULL) ? 0 : 1);
 524         switch(cmd)
 525                 {
 526         case UBSEC_CMD_SO_PATH:
 527                 if(p == NULL)
 528                         {
 529                         UBSECerr(UBSEC_F_UBSEC_CTRL,ERR_R_PASSED_NULL_PARAMETER);
 530                         return 0;
 531                         }
 532                 if(initialised)
 533                         {
 534                         UBSECerr(UBSEC_F_UBSEC_CTRL,UBSEC_R_ALREADY_LOADED);
 535                         return 0;
 536                         }
 537                 return set_UBSEC_LIBNAME((const char *)p);
 538         default:
 539                 break;
 540                 }
 541         UBSECerr(UBSEC_F_UBSEC_CTRL,UBSEC_R_CTRL_COMMAND_NOT_IMPLEMENTED);
 542         return 0;
 543         }
 544
 545 static int ubsec_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
 546                 const BIGNUM *m, BN_CTX *ctx)
 547         {
 548         int     y_len = 0;
 549         int     fd;
 550
 551         if(ubsec_dso == NULL)
 552         {
 553                 UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_NOT_LOADED);
 554                 return 0;
 555         }
 556
 557         /* Check if hardware can't handle this argument. */
 558         y_len = BN_num_bits(m);
 559         if (y_len > max_key_len) {
 560                 UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
 561                 return BN_mod_exp(r, a, p, m, ctx);
 562         }
 563
 564         if(!bn_wexpand(r, m->top))
 565         {
 566                 UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_BN_EXPAND_FAIL);
 567                 return 0;
 568         }
 569         memset(r->d, 0, BN_num_bytes(m));
 570
 571         if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0) {
 572                 fd = 0;
 573                 UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_UNIT_FAILURE);
 574                 return BN_mod_exp(r, a, p, m, ctx);
 575         }
 576
 577         if (p_UBSEC_rsa_mod_exp_ioctl(fd, (unsigned char *)a->d, BN_num_bits(a),
 578                 (unsigned char *)m->d, BN_num_bits(m), (unsigned char *)p->d,
 579                 BN_num_bits(p), (unsigned char *)r->d, &y_len) != 0)
 580         {
 581                 UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_REQUEST_FAILED);
 582                 p_UBSEC_ubsec_close(fd);
 583
 584                 return BN_mod_exp(r, a, p, m, ctx);
 585         }
 586
 587         p_UBSEC_ubsec_close(fd);
 588
 589         r->top = (BN_num_bits(m)+BN_BITS2-1)/BN_BITS2;
 590         return 1;
 591         }
 592
 593 #ifndef OPENSSL_NO_RSA
 594 static int ubsec_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa)
 595         {
 596         BN_CTX *ctx;
 597         int to_return = 0;
 598
 599         if((ctx = BN_CTX_new()) == NULL)
 600                 goto err;
 601
 602         if(!rsa->p || !rsa->q || !rsa->dmp1 || !rsa->dmq1 || !rsa->iqmp)
 603                 {
 604                 UBSECerr(UBSEC_F_UBSEC_RSA_MOD_EXP, UBSEC_R_MISSING_KEY_COMPONENTS);
 605                 goto err;
 606                 }
 607
 608         to_return = ubsec_mod_exp_crt(r0, I, rsa->p, rsa->q, rsa->dmp1,
 609                     rsa->dmq1, rsa->iqmp, ctx);
 610         if (to_return == FAIL_TO_SOFTWARE)
 611         {
 612           /*
 613            * Do in software as hardware failed.
 614            */
 615            const RSA_METHOD *meth = RSA_PKCS1_SSLeay();
 616            to_return = (*meth->rsa_mod_exp)(r0, I, rsa);
 617         }
 618 err:
 619         if(ctx)
 620                 BN_CTX_free(ctx);
 621         return to_return;
 622         }
 623 #endif
 624
 625 static int ubsec_mod_exp_crt(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
 626                         const BIGNUM *q, const BIGNUM *dp,
 627                         const BIGNUM *dq, const BIGNUM *qinv, BN_CTX *ctx)
 628         {
 629         int     y_len,
 630                 m_len,
 631                 fd;
 632
 633         m_len = BN_num_bytes(p) + BN_num_bytes(q) + 1;
 634         y_len = BN_num_bits(p) + BN_num_bits(q);
 635
 636         /* Check if hardware can't handle this argument. */
 637         if (y_len > max_key_len) {
 638                 UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
 639                 return FAIL_TO_SOFTWARE;
 640         }
 641
 642         if (!bn_wexpand(r, p->top + q->top + 1)) {
 643                 UBSECerr(UBSEC_F_UBSEC_RSA_MOD_EXP_CRT, UBSEC_R_BN_EXPAND_FAIL);
 644                 return 0;
 645         }
 646
 647         if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0) {
 648                 fd = 0;
 649                 UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_UNIT_FAILURE);
 650                 return FAIL_TO_SOFTWARE;
 651         }
 652
 653         if (p_UBSEC_rsa_mod_exp_crt_ioctl(fd,
 654                 (unsigned char *)a->d, BN_num_bits(a),
 655                 (unsigned char *)qinv->d, BN_num_bits(qinv),
 656                 (unsigned char *)dp->d, BN_num_bits(dp),
 657                 (unsigned char *)p->d, BN_num_bits(p),
 658                 (unsigned char *)dq->d, BN_num_bits(dq),
 659                 (unsigned char *)q->d, BN_num_bits(q),
 660                 (unsigned char *)r->d,  &y_len) != 0) {
 661                 UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_REQUEST_FAILED);
 662                 p_UBSEC_ubsec_close(fd);
 663                 return FAIL_TO_SOFTWARE;
 664         }
 665
 666         p_UBSEC_ubsec_close(fd);
 667
 668         r->top = (BN_num_bits(p) + BN_num_bits(q) + BN_BITS2 - 1)/BN_BITS2;
 669         return 1;
 670 }
 671
 672 #ifndef OPENSSL_NO_DSA
 673 #ifdef NOT_USED
 674 static int ubsec_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1,
 675                 BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m,
 676                 BN_CTX *ctx, BN_MONT_CTX *in_mont)
 677         {
 678         BIGNUM t;
 679         int to_return = 0;
 680
 681         BN_init(&t);
 682         /* let rr = a1 ^ p1 mod m */
 683         if (!ubsec_mod_exp(rr,a1,p1,m,ctx)) goto end;
 684         /* let t = a2 ^ p2 mod m */
 685         if (!ubsec_mod_exp(&t,a2,p2,m,ctx)) goto end;
 686         /* let rr = rr * t mod m */
 687         if (!BN_mod_mul(rr,rr,&t,m,ctx)) goto end;
 688         to_return = 1;
 689 end:
 690         BN_free(&t);
 691         return to_return;
 692         }
 693
 694 static int ubsec_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a,
 695                 const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
 696                 BN_MONT_CTX *m_ctx)
 697         {
 698         return ubsec_mod_exp(r, a, p, m, ctx);
 699         }
 700 #endif
 701 #endif
 702
 703 /*
 704  * This function is aliased to mod_exp (with the mont stuff dropped).
 705  */
 706 static int ubsec_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
 707                 const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
 708         {
 709         int ret = 0;
 710
 711 #ifndef OPENSSL_NO_RSA
 712         /* Do in software if the key is too large for the hardware. */
 713         if (BN_num_bits(m) > max_key_len)
 714                 {
 715                 const RSA_METHOD *meth = RSA_PKCS1_SSLeay();
 716                 ret = (*meth->bn_mod_exp)(r, a, p, m, ctx, m_ctx);
 717                 }
 718         else
 719 #endif
 720                 {
 721                 ret = ubsec_mod_exp(r, a, p, m, ctx);
 722                 }
 723
 724         return ret;
 725         }
 726
 727 #ifndef OPENSSL_NO_DH
 728 /* This function is aliased to mod_exp (with the dh and mont dropped). */
 729 static int ubsec_mod_exp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a,
 730                 const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
 731                 BN_MONT_CTX *m_ctx)
 732         {
 733         return ubsec_mod_exp(r, a, p, m, ctx);
 734         }
 735 #endif
 736
 737 #ifndef OPENSSL_NO_DSA
 738 static DSA_SIG *ubsec_dsa_do_sign(const unsigned char *dgst, int dlen, DSA *dsa)
 739         {
 740         DSA_SIG *to_return = NULL;
 741         int s_len = 160, r_len = 160, d_len, fd;
 742         BIGNUM m, *r=NULL, *s=NULL;
 743
 744         BN_init(&m);
 745
 746         s = BN_new();
 747         r = BN_new();
 748         if ((s == NULL) || (r==NULL))
 749                 goto err;
 750
 751         d_len = p_UBSEC_ubsec_bytes_to_bits((unsigned char *)dgst, dlen);
 752
 753         if(!bn_wexpand(r, (160+BN_BITS2-1)/BN_BITS2) ||
 754            (!bn_wexpand(s, (160+BN_BITS2-1)/BN_BITS2))) {
 755                 UBSECerr(UBSEC_F_UBSEC_DSA_SIGN, UBSEC_R_BN_EXPAND_FAIL);
 756                 goto err;
 757         }
 758
 759         if (BN_bin2bn(dgst,dlen,&m) == NULL) {
 760                 UBSECerr(UBSEC_F_UBSEC_DSA_SIGN, UBSEC_R_BN_EXPAND_FAIL);
 761                 goto err;
 762         }
 763
 764         if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0) {
 765                 const DSA_METHOD *meth;
 766                 fd = 0;
 767                 UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_UNIT_FAILURE);
 768                 meth = DSA_OpenSSL();
 769                 to_return =  meth->dsa_do_sign(dgst, dlen, dsa);
 770                 goto err;
 771         }
 772
 773         if (p_UBSEC_dsa_sign_ioctl(fd, 0, /* compute hash before signing */
 774                 (unsigned char *)dgst, d_len,
 775                 NULL, 0,  /* compute random value */
 776                 (unsigned char *)dsa->p->d, BN_num_bits(dsa->p),
 777                 (unsigned char *)dsa->q->d, BN_num_bits(dsa->q),
 778                 (unsigned char *)dsa->g->d, BN_num_bits(dsa->g),
 779                 (unsigned char *)dsa->priv_key->d, BN_num_bits(dsa->priv_key),
 780                 (unsigned char *)r->d, &r_len,
 781                 (unsigned char *)s->d, &s_len ) != 0) {
 782                 const DSA_METHOD *meth;
 783
 784                 UBSECerr(UBSEC_F_UBSEC_DSA_SIGN, UBSEC_R_REQUEST_FAILED);
 785                 p_UBSEC_ubsec_close(fd);
 786                 meth = DSA_OpenSSL();
 787                 to_return = meth->dsa_do_sign(dgst, dlen, dsa);
 788
 789                 goto err;
 790         }
 791
 792         p_UBSEC_ubsec_close(fd);
 793
 794         r->top = (160+BN_BITS2-1)/BN_BITS2;
 795         s->top = (160+BN_BITS2-1)/BN_BITS2;
 796
 797         to_return = DSA_SIG_new();
 798         if(to_return == NULL) {
 799                 UBSECerr(UBSEC_F_UBSEC_DSA_SIGN, UBSEC_R_BN_EXPAND_FAIL);
 800                 goto err;
 801         }
 802
 803         to_return->r = r;
 804         to_return->s = s;
 805
 806 err:
 807         if (!to_return) {
 808                 if (r) BN_free(r);
 809                 if (s) BN_free(s);
 810         }
 811         BN_clear_free(&m);
 812         return to_return;
 813 }
 814
 815 static int ubsec_dsa_verify(const unsigned char *dgst, int dgst_len,
 816                                 DSA_SIG *sig, DSA *dsa)
 817         {
 818         int v_len, d_len;
 819         int to_return = 0;
 820         int fd;
 821         BIGNUM v;
 822
 823         BN_init(&v);
 824
 825         if(!bn_wexpand(&v, dsa->p->top)) {
 826                 UBSECerr(UBSEC_F_UBSEC_DSA_VERIFY ,UBSEC_R_BN_EXPAND_FAIL);
 827                 goto err;
 828         }
 829
 830         v_len = BN_num_bits(dsa->p);
 831
 832         d_len = p_UBSEC_ubsec_bytes_to_bits((unsigned char *)dgst, dgst_len);
 833
 834         if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0) {
 835                 const DSA_METHOD *meth;
 836                 fd = 0;
 837                 UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_UNIT_FAILURE);
 838                 meth = DSA_OpenSSL();
 839                 to_return = meth->dsa_do_verify(dgst, dgst_len, sig, dsa);
 840                 goto err;
 841         }
 842
 843         if (p_UBSEC_dsa_verify_ioctl(fd, 0, /* compute hash before signing */
 844                 (unsigned char *)dgst, d_len,
 845                 (unsigned char *)dsa->p->d, BN_num_bits(dsa->p),
 846                 (unsigned char *)dsa->q->d, BN_num_bits(dsa->q),
 847                 (unsigned char *)dsa->g->d, BN_num_bits(dsa->g),
 848                 (unsigned char *)dsa->pub_key->d, BN_num_bits(dsa->pub_key),
 849                 (unsigned char *)sig->r->d, BN_num_bits(sig->r),
 850                 (unsigned char *)sig->s->d, BN_num_bits(sig->s),
 851                 (unsigned char *)v.d, &v_len) != 0) {
 852                 const DSA_METHOD *meth;
 853                 UBSECerr(UBSEC_F_UBSEC_DSA_VERIFY , UBSEC_R_REQUEST_FAILED);
 854                 p_UBSEC_ubsec_close(fd);
 855
 856                 meth = DSA_OpenSSL();
 857                 to_return = meth->dsa_do_verify(dgst, dgst_len, sig, dsa);
 858
 859                 goto err;
 860         }
 861
 862         p_UBSEC_ubsec_close(fd);
 863
 864         to_return = 1;
 865 err:
 866         BN_clear_free(&v);
 867         return to_return;
 868         }
 869 #endif
 870
 871 #ifndef OPENSSL_NO_DH
 872 static int ubsec_dh_compute_key (unsigned char *key,const BIGNUM *pub_key,DH *dh)
 873         {
 874         int      ret      = -1,
 875                  k_len,
 876                  fd;
 877
 878         k_len = BN_num_bits(dh->p);
 879
 880         if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0)
 881                 {
 882                 const DH_METHOD *meth;
 883                 ENGINEerr(UBSEC_F_UBSEC_INIT, UBSEC_R_UNIT_FAILURE);
 884                 meth = DH_OpenSSL();
 885                 ret = meth->compute_key(key, pub_key, dh);
 886                 goto err;
 887                 }
 888
 889         if (p_UBSEC_diffie_hellman_agree_ioctl(fd,
 890                                                (unsigned char *)dh->priv_key->d, BN_num_bits(dh->priv_key),
 891                                                (unsigned char *)pub_key->d, BN_num_bits(pub_key),
 892                                                (unsigned char *)dh->p->d, BN_num_bits(dh->p),
 893                                                key, &k_len) != 0)
 894                 {
 895                 /* Hardware's a no go, failover to software */
 896                 const DH_METHOD *meth;
 897                 ENGINEerr(UBSEC_F_UBSEC_DH_COMPUTE_KEY, UBSEC_R_REQUEST_FAILED);
 898                 p_UBSEC_ubsec_close(fd);
 899
 900                 meth = DH_OpenSSL();
 901                 ret = meth->compute_key(key, pub_key, dh);
 902
 903                 goto err;
 904                 }
 905
 906         p_UBSEC_ubsec_close(fd);
 907
 908         ret = p_UBSEC_ubsec_bits_to_bytes(k_len);
 909 err:
 910         return ret;
 911         }
 912
 913 static int ubsec_dh_generate_key (DH *dh)
 914         {
 915         int      ret               = 0,
 916                  random_bits       = 0,
 917                  pub_key_len       = 0,
 918                  priv_key_len      = 0,
 919                  fd;
 920         BIGNUM   *pub_key          = NULL;
 921         BIGNUM   *priv_key         = NULL;
 922
 923         /*
 924          *  How many bits should Random x be? dh_key.c
 925          *  sets the range from 0 to num_bits(modulus) ???
 926          */
 927
 928         if (dh->priv_key == NULL)
 929                 {
 930                 priv_key = BN_new();
 931                 if (priv_key == NULL) goto err;
 932                 priv_key_len = BN_num_bits(dh->p);
 933                 bn_wexpand(priv_key, dh->p->top);
 934                 do
 935                         if (!BN_rand_range(priv_key, dh->p)) goto err;
 936                 while (BN_is_zero(priv_key));
 937                 random_bits = BN_num_bits(priv_key);
 938                 }
 939         else
 940                 {
 941                 priv_key = dh->priv_key;
 942                 }
 943
 944         if (dh->pub_key == NULL)
 945                 {
 946                 pub_key = BN_new();
 947                 pub_key_len = BN_num_bits(dh->p);
 948                 bn_wexpand(pub_key, dh->p->top);
 949                 if(pub_key == NULL) goto err;
 950                 }
 951         else
 952                 {
 953                 pub_key = dh->pub_key;
 954                 }
 955
 956         if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0)
 957                 {
 958                 const DH_METHOD *meth;
 959                 ENGINEerr(UBSEC_F_UBSEC_INIT, UBSEC_R_UNIT_FAILURE);
 960                 meth = DH_OpenSSL();
 961                 ret = meth->generate_key(dh);
 962                 goto err;
 963                 }
 964
 965         if (p_UBSEC_diffie_hellman_generate_ioctl(fd,
 966                                                   (unsigned char *)priv_key->d, &priv_key_len,
 967                                                   (unsigned char *)pub_key->d,  &pub_key_len,
 968                                                   (unsigned char *)dh->g->d, BN_num_bits(dh->g),
 969                                                   (unsigned char *)dh->p->d, BN_num_bits(dh->p),
 970                                                   0, 0, random_bits) != 0)
 971                 {
 972                 /* Hardware's a no go, failover to software */
 973                 const DH_METHOD *meth;
 974
 975                 ENGINEerr(UBSEC_F_UBSEC_DH_COMPUTE_KEY, UBSEC_R_REQUEST_FAILED);
 976                 p_UBSEC_ubsec_close(fd);
 977
 978                 meth = DH_OpenSSL();
 979                 ret = meth->generate_key(dh);
 980
 981                 goto err;
 982                 }
 983
 984         p_UBSEC_ubsec_close(fd);
 985
 986         dh->pub_key = pub_key;
 987         dh->pub_key->top = (pub_key_len + BN_BITS2-1) / BN_BITS2;
 988         dh->priv_key = priv_key;
 989         dh->priv_key->top = (priv_key_len + BN_BITS2-1) / BN_BITS2;
 990
 991         ret = 1;
 992 err:
 993         return ret;
 994         }
 995 #endif
 996
 997 #ifdef NOT_USED
 998 static int ubsec_rand_bytes(unsigned char * buf,
 999                             int num)
1000         {
1001         int      ret      = 0,
1002                  fd;
1003
1004         if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0)
1005                 {
1006                 const RAND_METHOD *meth;
1007                 ENGINEerr(UBSEC_F_UBSEC_INIT, UBSEC_R_UNIT_FAILURE);
1008                 num = p_UBSEC_ubsec_bits_to_bytes(num);
1009                 meth = RAND_SSLeay();
1010                 meth->seed(buf, num);
1011                 ret = meth->bytes(buf, num);
1012                 goto err;
1013                 }
1014
1015         num *= 8; /* bytes to bits */
1016
1017         if (p_UBSEC_rng_ioctl(fd,
1018                               UBSEC_RNG_DIRECT,
1019                               buf,
1020                               &num) != 0)
1021                 {
1022                 /* Hardware's a no go, failover to software */
1023                 const RAND_METHOD *meth;
1024
1025                 ENGINEerr(UBSEC_F_UBSEC_RNG_BYTES, UBSEC_R_REQUEST_FAILED);
1026                 p_UBSEC_ubsec_close(fd);
1027
1028                 num = p_UBSEC_ubsec_bits_to_bytes(num);
1029                 meth = RAND_SSLeay();
1030                 meth->seed(buf, num);
1031                 ret = meth->bytes(buf, num);
1032
1033                 goto err;
1034                 }
1035
1036         p_UBSEC_ubsec_close(fd);
1037
1038         ret = 1;
1039 err:
1040         return(ret);
1041         }
1042
1043
1044 static int ubsec_rand_status(void)
1045         {
1046         return 0;
1047         }
1048 #endif
1049
1050 /* This stuff is needed if this ENGINE is being compiled into a self-contained
1051  * shared-library. */
1052 #ifndef OPENSSL_NO_DYNAMIC_ENGINE
1053 static int bind_fn(ENGINE *e, const char *id)
1054         {
1055         if(id && (strcmp(id, engine_ubsec_id) != 0))
1056                 return 0;
1057         if(!bind_helper(e))
1058                 return 0;
1059         return 1;
1060         }
1061 IMPLEMENT_DYNAMIC_CHECK_FN()
1062 IMPLEMENT_DYNAMIC_BIND_FN(bind_fn)
1063 #endif /* OPENSSL_NO_DYNAMIC_ENGINE */
1064
1065 #endif /* !OPENSSL_NO_HW_UBSEC */
1066 #endif /* !OPENSSL_NO_HW */