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