crypto/openssl-0.9/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 #include <openssl/rsa.h>
  68 #include <openssl/dsa.h>
  69 #include <openssl/dh.h>
  70 #include <openssl/bn.h>
  71
  72 #ifndef OPENSSL_NO_HW
  73 #ifndef OPENSSL_NO_HW_UBSEC
  74
  75 #ifdef FLAT_INC
  76 #include "hw_ubsec.h"
  77 #else
  78 #include "vendor_defns/hw_ubsec.h"
  79 #endif
  80
  81 #define UBSEC_LIB_NAME "ubsec engine"
  82 #include "e_ubsec_err.c"
  83
  84 #define FAIL_TO_SOFTWARE -15
  85
  86 static int ubsec_destroy(ENGINE *e);
  87 static int ubsec_init(ENGINE *e);
  88 static int ubsec_finish(ENGINE *e);
  89 static int ubsec_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void));
  90 static int ubsec_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
  91                 const BIGNUM *m, BN_CTX *ctx);
  92 static int ubsec_mod_exp_crt(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
  93                         const BIGNUM *q, const BIGNUM *dp,
  94                         const BIGNUM *dq, const BIGNUM *qinv, BN_CTX *ctx);
  95 #ifndef OPENSSL_NO_RSA
  96 static int ubsec_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx);
  97 #endif
  98 static int ubsec_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
  99                 const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
 100 #ifndef OPENSSL_NO_DSA
 101 #ifdef NOT_USED
 102 static int ubsec_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1,
 103                 BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m,
 104                 BN_CTX *ctx, BN_MONT_CTX *in_mont);
 105 static int ubsec_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a,
 106                 const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
 107                 BN_MONT_CTX *m_ctx);
 108 #endif
 109 static DSA_SIG *ubsec_dsa_do_sign(const unsigned char *dgst, int dlen, DSA *dsa);
 110 static int ubsec_dsa_verify(const unsigned char *dgst, int dgst_len,
 111                                 DSA_SIG *sig, DSA *dsa);
 112 #endif
 113 #ifndef OPENSSL_NO_DH
 114 static int ubsec_mod_exp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a,
 115                 const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
 116                 BN_MONT_CTX *m_ctx);
 117 static int ubsec_dh_compute_key(unsigned char *key,const BIGNUM *pub_key,DH *dh);
 118 static int ubsec_dh_generate_key(DH *dh);
 119 #endif
 120
 121 #ifdef NOT_USED
 122 static int ubsec_rand_bytes(unsigned char *buf, int num);
 123 static int ubsec_rand_status(void);
 124 #endif
 125
 126 #define UBSEC_CMD_SO_PATH               ENGINE_CMD_BASE
 127 static const ENGINE_CMD_DEFN ubsec_cmd_defns[] = {
 128         {UBSEC_CMD_SO_PATH,
 129                 "SO_PATH",
 130                 "Specifies the path to the 'ubsec' shared library",
 131                 ENGINE_CMD_FLAG_STRING},
 132         {0, NULL, NULL, 0}
 133         };
 134
 135 #ifndef OPENSSL_NO_RSA
 136 /* Our internal RSA_METHOD that we provide pointers to */
 137 static RSA_METHOD ubsec_rsa =
 138         {
 139         "UBSEC RSA method",
 140         NULL,
 141         NULL,
 142         NULL,
 143         NULL,
 144         ubsec_rsa_mod_exp,
 145         ubsec_mod_exp_mont,
 146         NULL,
 147         NULL,
 148         0,
 149         NULL,
 150         NULL,
 151         NULL,
 152         NULL
 153         };
 154 #endif
 155
 156 #ifndef OPENSSL_NO_DSA
 157 /* Our internal DSA_METHOD that we provide pointers to */
 158 static DSA_METHOD ubsec_dsa =
 159         {
 160         "UBSEC DSA method",
 161         ubsec_dsa_do_sign, /* dsa_do_sign */
 162         NULL, /* dsa_sign_setup */
 163         ubsec_dsa_verify, /* dsa_do_verify */
 164         NULL, /* ubsec_dsa_mod_exp */ /* dsa_mod_exp */
 165         NULL, /* ubsec_mod_exp_dsa */ /* bn_mod_exp */
 166         NULL, /* init */
 167         NULL, /* finish */
 168         0, /* flags */
 169         NULL, /* app_data */
 170         NULL, /* dsa_paramgen */
 171         NULL /* dsa_keygen */
 172         };
 173 #endif
 174
 175 #ifndef OPENSSL_NO_DH
 176 /* Our internal DH_METHOD that we provide pointers to */
 177 static DH_METHOD ubsec_dh =
 178         {
 179         "UBSEC DH method",
 180         ubsec_dh_generate_key,
 181         ubsec_dh_compute_key,
 182         ubsec_mod_exp_dh,
 183         NULL,
 184         NULL,
 185         0,
 186         NULL,
 187         NULL
 188         };
 189 #endif
 190
 191 /* Constants used when creating the ENGINE */
 192 static const char *engine_ubsec_id = "ubsec";
 193 static const char *engine_ubsec_name = "UBSEC hardware engine support";
 194
 195 /* This internal function is used by ENGINE_ubsec() and possibly by the
 196  * "dynamic" ENGINE support too */
 197 static int bind_helper(ENGINE *e)
 198         {
 199 #ifndef OPENSSL_NO_RSA
 200         const RSA_METHOD *meth1;
 201 #endif
 202 #ifndef OPENSSL_NO_DH
 203 #ifndef HAVE_UBSEC_DH
 204         const DH_METHOD *meth3;
 205 #endif /* HAVE_UBSEC_DH */
 206 #endif
 207         if(!ENGINE_set_id(e, engine_ubsec_id) ||
 208                         !ENGINE_set_name(e, engine_ubsec_name) ||
 209 #ifndef OPENSSL_NO_RSA
 210                         !ENGINE_set_RSA(e, &ubsec_rsa) ||
 211 #endif
 212 #ifndef OPENSSL_NO_DSA
 213                         !ENGINE_set_DSA(e, &ubsec_dsa) ||
 214 #endif
 215 #ifndef OPENSSL_NO_DH
 216                         !ENGINE_set_DH(e, &ubsec_dh) ||
 217 #endif
 218                         !ENGINE_set_destroy_function(e, ubsec_destroy) ||
 219                         !ENGINE_set_init_function(e, ubsec_init) ||
 220                         !ENGINE_set_finish_function(e, ubsec_finish) ||
 221                         !ENGINE_set_ctrl_function(e, ubsec_ctrl) ||
 222                         !ENGINE_set_cmd_defns(e, ubsec_cmd_defns))
 223                 return 0;
 224
 225 #ifndef OPENSSL_NO_RSA
 226         /* We know that the "PKCS1_SSLeay()" functions hook properly
 227          * to the Broadcom-specific mod_exp and mod_exp_crt so we use
 228          * those functions. NB: We don't use ENGINE_openssl() or
 229          * anything "more generic" because something like the RSAref
 230          * code may not hook properly, and if you own one of these
 231          * cards then you have the right to do RSA operations on it
 232          * anyway! */
 233         meth1 = RSA_PKCS1_SSLeay();
 234         ubsec_rsa.rsa_pub_enc = meth1->rsa_pub_enc;
 235         ubsec_rsa.rsa_pub_dec = meth1->rsa_pub_dec;
 236         ubsec_rsa.rsa_priv_enc = meth1->rsa_priv_enc;
 237         ubsec_rsa.rsa_priv_dec = meth1->rsa_priv_dec;
 238 #endif
 239
 240 #ifndef OPENSSL_NO_DH
 241 #ifndef HAVE_UBSEC_DH
 242         /* Much the same for Diffie-Hellman */
 243         meth3 = DH_OpenSSL();
 244         ubsec_dh.generate_key = meth3->generate_key;
 245         ubsec_dh.compute_key = meth3->compute_key;
 246 #endif /* HAVE_UBSEC_DH */
 247 #endif
 248
 249         /* Ensure the ubsec error handling is set up */
 250         ERR_load_UBSEC_strings();
 251         return 1;
 252         }
 253
 254 #ifdef OPENSSL_NO_DYNAMIC_ENGINE
 255 static ENGINE *engine_ubsec(void)
 256         {
 257         ENGINE *ret = ENGINE_new();
 258         if(!ret)
 259                 return NULL;
 260         if(!bind_helper(ret))
 261                 {
 262                 ENGINE_free(ret);
 263                 return NULL;
 264                 }
 265         return ret;
 266         }
 267
 268 void ENGINE_load_ubsec(void)
 269         {
 270         /* Copied from eng_[openssl|dyn].c */
 271         ENGINE *toadd = engine_ubsec();
 272         if(!toadd) return;
 273         ENGINE_add(toadd);
 274         ENGINE_free(toadd);
 275         ERR_clear_error();
 276         }
 277 #endif
 278
 279 /* This is a process-global DSO handle used for loading and unloading
 280  * the UBSEC library. NB: This is only set (or unset) during an
 281  * init() or finish() call (reference counts permitting) and they're
 282  * operating with global locks, so this should be thread-safe
 283  * implicitly. */
 284
 285 static DSO *ubsec_dso = NULL;
 286
 287 /* These are the function pointers that are (un)set when the library has
 288  * successfully (un)loaded. */
 289
 290 static t_UBSEC_ubsec_bytes_to_bits *p_UBSEC_ubsec_bytes_to_bits = NULL;
 291 static t_UBSEC_ubsec_bits_to_bytes *p_UBSEC_ubsec_bits_to_bytes = NULL;
 292 static t_UBSEC_ubsec_open *p_UBSEC_ubsec_open = NULL;
 293 static t_UBSEC_ubsec_close *p_UBSEC_ubsec_close = NULL;
 294 #ifndef OPENSSL_NO_DH
 295 static t_UBSEC_diffie_hellman_generate_ioctl
 296         *p_UBSEC_diffie_hellman_generate_ioctl = NULL;
 297 static t_UBSEC_diffie_hellman_agree_ioctl *p_UBSEC_diffie_hellman_agree_ioctl = NULL;
 298 #endif
 299 /* #ifndef OPENSSL_NO_RSA */
 300 static t_UBSEC_rsa_mod_exp_ioctl *p_UBSEC_rsa_mod_exp_ioctl = NULL;
 301 static t_UBSEC_rsa_mod_exp_crt_ioctl *p_UBSEC_rsa_mod_exp_crt_ioctl = NULL;
 302 /* #endif */
 303 #ifndef OPENSSL_NO_DSA
 304 static t_UBSEC_dsa_sign_ioctl *p_UBSEC_dsa_sign_ioctl = NULL;
 305 static t_UBSEC_dsa_verify_ioctl *p_UBSEC_dsa_verify_ioctl = NULL;
 306 #endif
 307 static t_UBSEC_math_accelerate_ioctl *p_UBSEC_math_accelerate_ioctl = NULL;
 308 static t_UBSEC_rng_ioctl *p_UBSEC_rng_ioctl = NULL;
 309 static t_UBSEC_max_key_len_ioctl *p_UBSEC_max_key_len_ioctl = NULL;
 310
 311 static int max_key_len = 1024;  /* ??? */
 312
 313 /*
 314  * These are the static string constants for the DSO file name and the function
 315  * symbol names to bind to.
 316  */
 317
 318 static const char *UBSEC_LIBNAME = NULL;
 319 static const char *get_UBSEC_LIBNAME(void)
 320         {
 321         if(UBSEC_LIBNAME)
 322                 return UBSEC_LIBNAME;
 323         return "ubsec";
 324         }
 325 static void free_UBSEC_LIBNAME(void)
 326         {
 327         if(UBSEC_LIBNAME)
 328                 OPENSSL_free((void*)UBSEC_LIBNAME);
 329         UBSEC_LIBNAME = NULL;
 330         }
 331 static long set_UBSEC_LIBNAME(const char *name)
 332         {
 333         free_UBSEC_LIBNAME();
 334         return (((UBSEC_LIBNAME = BUF_strdup(name)) != NULL) ? 1 : 0);
 335         }
 336 static const char *UBSEC_F1 = "ubsec_bytes_to_bits";
 337 static const char *UBSEC_F2 = "ubsec_bits_to_bytes";
 338 static const char *UBSEC_F3 = "ubsec_open";
 339 static const char *UBSEC_F4 = "ubsec_close";
 340 #ifndef OPENSSL_NO_DH
 341 static const char *UBSEC_F5 = "diffie_hellman_generate_ioctl";
 342 static const char *UBSEC_F6 = "diffie_hellman_agree_ioctl";
 343 #endif
 344 /* #ifndef OPENSSL_NO_RSA */
 345 static const char *UBSEC_F7 = "rsa_mod_exp_ioctl";
 346 static const char *UBSEC_F8 = "rsa_mod_exp_crt_ioctl";
 347 /* #endif */
 348 #ifndef OPENSSL_NO_DSA
 349 static const char *UBSEC_F9 = "dsa_sign_ioctl";
 350 static const char *UBSEC_F10 = "dsa_verify_ioctl";
 351 #endif
 352 static const char *UBSEC_F11 = "math_accelerate_ioctl";
 353 static const char *UBSEC_F12 = "rng_ioctl";
 354 static const char *UBSEC_F13 = "ubsec_max_key_len_ioctl";
 355
 356 /* Destructor (complements the "ENGINE_ubsec()" constructor) */
 357 static int ubsec_destroy(ENGINE *e)
 358         {
 359         free_UBSEC_LIBNAME();
 360         ERR_unload_UBSEC_strings();
 361         return 1;
 362         }
 363
 364 /* (de)initialisation functions. */
 365 static int ubsec_init(ENGINE *e)
 366         {
 367         t_UBSEC_ubsec_bytes_to_bits *p1;
 368         t_UBSEC_ubsec_bits_to_bytes *p2;
 369         t_UBSEC_ubsec_open *p3;
 370         t_UBSEC_ubsec_close *p4;
 371 #ifndef OPENSSL_NO_DH
 372         t_UBSEC_diffie_hellman_generate_ioctl *p5;
 373         t_UBSEC_diffie_hellman_agree_ioctl *p6;
 374 #endif
 375 /* #ifndef OPENSSL_NO_RSA */
 376         t_UBSEC_rsa_mod_exp_ioctl *p7;
 377         t_UBSEC_rsa_mod_exp_crt_ioctl *p8;
 378 /* #endif */
 379 #ifndef OPENSSL_NO_DSA
 380         t_UBSEC_dsa_sign_ioctl *p9;
 381         t_UBSEC_dsa_verify_ioctl *p10;
 382 #endif
 383         t_UBSEC_math_accelerate_ioctl *p11;
 384         t_UBSEC_rng_ioctl *p12;
 385         t_UBSEC_max_key_len_ioctl *p13;
 386         int fd = 0;
 387
 388         if(ubsec_dso != NULL)
 389                 {
 390                 UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_ALREADY_LOADED);
 391                 goto err;
 392                 }
 393         /*
 394          * Attempt to load libubsec.so/ubsec.dll/whatever.
 395          */
 396         ubsec_dso = DSO_load(NULL, get_UBSEC_LIBNAME(), NULL, 0);
 397         if(ubsec_dso == NULL)
 398                 {
 399                 UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_DSO_FAILURE);
 400                 goto err;
 401                 }
 402
 403         if (
 404         !(p1 = (t_UBSEC_ubsec_bytes_to_bits *) DSO_bind_func(ubsec_dso, UBSEC_F1)) ||
 405         !(p2 = (t_UBSEC_ubsec_bits_to_bytes *) DSO_bind_func(ubsec_dso, UBSEC_F2)) ||
 406         !(p3 = (t_UBSEC_ubsec_open *) DSO_bind_func(ubsec_dso, UBSEC_F3)) ||
 407         !(p4 = (t_UBSEC_ubsec_close *) DSO_bind_func(ubsec_dso, UBSEC_F4)) ||
 408 #ifndef OPENSSL_NO_DH
 409         !(p5 = (t_UBSEC_diffie_hellman_generate_ioctl *)
 410                                 DSO_bind_func(ubsec_dso, UBSEC_F5)) ||
 411         !(p6 = (t_UBSEC_diffie_hellman_agree_ioctl *)
 412                                 DSO_bind_func(ubsec_dso, UBSEC_F6)) ||
 413 #endif
 414 /* #ifndef OPENSSL_NO_RSA */
 415         !(p7 = (t_UBSEC_rsa_mod_exp_ioctl *) DSO_bind_func(ubsec_dso, UBSEC_F7)) ||
 416         !(p8 = (t_UBSEC_rsa_mod_exp_crt_ioctl *) DSO_bind_func(ubsec_dso, UBSEC_F8)) ||
 417 /* #endif */
 418 #ifndef OPENSSL_NO_DSA
 419         !(p9 = (t_UBSEC_dsa_sign_ioctl *) DSO_bind_func(ubsec_dso, UBSEC_F9)) ||
 420         !(p10 = (t_UBSEC_dsa_verify_ioctl *) DSO_bind_func(ubsec_dso, UBSEC_F10)) ||
 421 #endif
 422         !(p11 = (t_UBSEC_math_accelerate_ioctl *)
 423                                 DSO_bind_func(ubsec_dso, UBSEC_F11)) ||
 424         !(p12 = (t_UBSEC_rng_ioctl *) DSO_bind_func(ubsec_dso, UBSEC_F12)) ||
 425         !(p13 = (t_UBSEC_max_key_len_ioctl *) DSO_bind_func(ubsec_dso, UBSEC_F13)))
 426                 {
 427                 UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_DSO_FAILURE);
 428                 goto err;
 429                 }
 430
 431         /* Copy the pointers */
 432         p_UBSEC_ubsec_bytes_to_bits = p1;
 433         p_UBSEC_ubsec_bits_to_bytes = p2;
 434         p_UBSEC_ubsec_open = p3;
 435         p_UBSEC_ubsec_close = p4;
 436 #ifndef OPENSSL_NO_DH
 437         p_UBSEC_diffie_hellman_generate_ioctl = p5;
 438         p_UBSEC_diffie_hellman_agree_ioctl = p6;
 439 #endif
 440 #ifndef OPENSSL_NO_RSA
 441         p_UBSEC_rsa_mod_exp_ioctl = p7;
 442         p_UBSEC_rsa_mod_exp_crt_ioctl = p8;
 443 #endif
 444 #ifndef OPENSSL_NO_DSA
 445         p_UBSEC_dsa_sign_ioctl = p9;
 446         p_UBSEC_dsa_verify_ioctl = p10;
 447 #endif
 448         p_UBSEC_math_accelerate_ioctl = p11;
 449         p_UBSEC_rng_ioctl = p12;
 450         p_UBSEC_max_key_len_ioctl = p13;
 451
 452         /* Perform an open to see if there's actually any unit running. */
 453         if (((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) > 0) && (p_UBSEC_max_key_len_ioctl(fd, &max_key_len) == 0))
 454         {
 455            p_UBSEC_ubsec_close(fd);
 456            return 1;
 457         }
 458         else
 459         {
 460           UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_UNIT_FAILURE);
 461         }
 462
 463 err:
 464         if(ubsec_dso)
 465                 DSO_free(ubsec_dso);
 466         ubsec_dso = NULL;
 467         p_UBSEC_ubsec_bytes_to_bits = NULL;
 468         p_UBSEC_ubsec_bits_to_bytes = NULL;
 469         p_UBSEC_ubsec_open = NULL;
 470         p_UBSEC_ubsec_close = NULL;
 471 #ifndef OPENSSL_NO_DH
 472         p_UBSEC_diffie_hellman_generate_ioctl = NULL;
 473         p_UBSEC_diffie_hellman_agree_ioctl = NULL;
 474 #endif
 475 #ifndef OPENSSL_NO_RSA
 476         p_UBSEC_rsa_mod_exp_ioctl = NULL;
 477         p_UBSEC_rsa_mod_exp_crt_ioctl = NULL;
 478 #endif
 479 #ifndef OPENSSL_NO_DSA
 480         p_UBSEC_dsa_sign_ioctl = NULL;
 481         p_UBSEC_dsa_verify_ioctl = NULL;
 482 #endif
 483         p_UBSEC_math_accelerate_ioctl = NULL;
 484         p_UBSEC_rng_ioctl = NULL;
 485         p_UBSEC_max_key_len_ioctl = NULL;
 486
 487         return 0;
 488         }
 489
 490 static int ubsec_finish(ENGINE *e)
 491         {
 492         free_UBSEC_LIBNAME();
 493         if(ubsec_dso == NULL)
 494                 {
 495                 UBSECerr(UBSEC_F_UBSEC_FINISH, UBSEC_R_NOT_LOADED);
 496                 return 0;
 497                 }
 498         if(!DSO_free(ubsec_dso))
 499                 {
 500                 UBSECerr(UBSEC_F_UBSEC_FINISH, UBSEC_R_DSO_FAILURE);
 501                 return 0;
 502                 }
 503         ubsec_dso = NULL;
 504         p_UBSEC_ubsec_bytes_to_bits = NULL;
 505         p_UBSEC_ubsec_bits_to_bytes = NULL;
 506         p_UBSEC_ubsec_open = NULL;
 507         p_UBSEC_ubsec_close = NULL;
 508 #ifndef OPENSSL_NO_DH
 509         p_UBSEC_diffie_hellman_generate_ioctl = NULL;
 510         p_UBSEC_diffie_hellman_agree_ioctl = NULL;
 511 #endif
 512 #ifndef OPENSSL_NO_RSA
 513         p_UBSEC_rsa_mod_exp_ioctl = NULL;
 514         p_UBSEC_rsa_mod_exp_crt_ioctl = NULL;
 515 #endif
 516 #ifndef OPENSSL_NO_DSA
 517         p_UBSEC_dsa_sign_ioctl = NULL;
 518         p_UBSEC_dsa_verify_ioctl = NULL;
 519 #endif
 520         p_UBSEC_math_accelerate_ioctl = NULL;
 521         p_UBSEC_rng_ioctl = NULL;
 522         p_UBSEC_max_key_len_ioctl = NULL;
 523         return 1;
 524         }
 525
 526 static int ubsec_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void))
 527         {
 528         int initialised = ((ubsec_dso == NULL) ? 0 : 1);
 529         switch(cmd)
 530                 {
 531         case UBSEC_CMD_SO_PATH:
 532                 if(p == NULL)
 533                         {
 534                         UBSECerr(UBSEC_F_UBSEC_CTRL,ERR_R_PASSED_NULL_PARAMETER);
 535                         return 0;
 536                         }
 537                 if(initialised)
 538                         {
 539                         UBSECerr(UBSEC_F_UBSEC_CTRL,UBSEC_R_ALREADY_LOADED);
 540                         return 0;
 541                         }
 542                 return set_UBSEC_LIBNAME((const char *)p);
 543         default:
 544                 break;
 545                 }
 546         UBSECerr(UBSEC_F_UBSEC_CTRL,UBSEC_R_CTRL_COMMAND_NOT_IMPLEMENTED);
 547         return 0;
 548         }
 549
 550 static int ubsec_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
 551                 const BIGNUM *m, BN_CTX *ctx)
 552         {
 553         int     y_len = 0;
 554         int     fd;
 555
 556         if(ubsec_dso == NULL)
 557         {
 558                 UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_NOT_LOADED);
 559                 return 0;
 560         }
 561
 562         /* Check if hardware can't handle this argument. */
 563         y_len = BN_num_bits(m);
 564         if (y_len > max_key_len) {
 565                 UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
 566                 return BN_mod_exp(r, a, p, m, ctx);
 567         }
 568
 569         if(!bn_wexpand(r, m->top))
 570         {
 571                 UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_BN_EXPAND_FAIL);
 572                 return 0;
 573         }
 574
 575         if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0) {
 576                 fd = 0;
 577                 UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_UNIT_FAILURE);
 578                 return BN_mod_exp(r, a, p, m, ctx);
 579         }
 580
 581         if (p_UBSEC_rsa_mod_exp_ioctl(fd, (unsigned char *)a->d, BN_num_bits(a),
 582                 (unsigned char *)m->d, BN_num_bits(m), (unsigned char *)p->d,
 583                 BN_num_bits(p), (unsigned char *)r->d, &y_len) != 0)
 584         {
 585                 UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_REQUEST_FAILED);
 586                 p_UBSEC_ubsec_close(fd);
 587
 588                 return BN_mod_exp(r, a, p, m, ctx);
 589         }
 590
 591         p_UBSEC_ubsec_close(fd);
 592
 593         r->top = (BN_num_bits(m)+BN_BITS2-1)/BN_BITS2;
 594         return 1;
 595         }
 596
 597 #ifndef OPENSSL_NO_RSA
 598 static int ubsec_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx)
 599         {
 600         int to_return = 0;
 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, ctx);
 617         }
 618 err:
 619         return to_return;
 620         }
 621 #endif
 622
 623 static int ubsec_mod_exp_crt(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
 624                         const BIGNUM *q, const BIGNUM *dp,
 625                         const BIGNUM *dq, const BIGNUM *qinv, BN_CTX *ctx)
 626         {
 627         int     y_len,
 628                 m_len,
 629                 fd;
 630
 631         m_len = BN_num_bytes(p) + BN_num_bytes(q) + 1;
 632         y_len = BN_num_bits(p) + BN_num_bits(q);
 633
 634         /* Check if hardware can't handle this argument. */
 635         if (y_len > max_key_len) {
 636                 UBSECerr(UBSEC_F_UBSEC_MOD_EXP_CRT, UBSEC_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
 637                 return FAIL_TO_SOFTWARE;
 638         }
 639
 640         if (!bn_wexpand(r, p->top + q->top + 1)) {
 641                 UBSECerr(UBSEC_F_UBSEC_MOD_EXP_CRT, UBSEC_R_BN_EXPAND_FAIL);
 642                 return 0;
 643         }
 644
 645         if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0) {
 646                 fd = 0;
 647                 UBSECerr(UBSEC_F_UBSEC_MOD_EXP_CRT, UBSEC_R_UNIT_FAILURE);
 648                 return FAIL_TO_SOFTWARE;
 649         }
 650
 651         if (p_UBSEC_rsa_mod_exp_crt_ioctl(fd,
 652                 (unsigned char *)a->d, BN_num_bits(a),
 653                 (unsigned char *)qinv->d, BN_num_bits(qinv),
 654                 (unsigned char *)dp->d, BN_num_bits(dp),
 655                 (unsigned char *)p->d, BN_num_bits(p),
 656                 (unsigned char *)dq->d, BN_num_bits(dq),
 657                 (unsigned char *)q->d, BN_num_bits(q),
 658                 (unsigned char *)r->d,  &y_len) != 0) {
 659                 UBSECerr(UBSEC_F_UBSEC_MOD_EXP_CRT, UBSEC_R_REQUEST_FAILED);
 660                 p_UBSEC_ubsec_close(fd);
 661                 return FAIL_TO_SOFTWARE;
 662         }
 663
 664         p_UBSEC_ubsec_close(fd);
 665
 666         r->top = (BN_num_bits(p) + BN_num_bits(q) + BN_BITS2 - 1)/BN_BITS2;
 667         return 1;
 668 }
 669
 670 #ifndef OPENSSL_NO_DSA
 671 #ifdef NOT_USED
 672 static int ubsec_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1,
 673                 BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m,
 674                 BN_CTX *ctx, BN_MONT_CTX *in_mont)
 675         {
 676         BIGNUM t;
 677         int to_return = 0;
 678
 679         BN_init(&t);
 680         /* let rr = a1 ^ p1 mod m */
 681         if (!ubsec_mod_exp(rr,a1,p1,m,ctx)) goto end;
 682         /* let t = a2 ^ p2 mod m */
 683         if (!ubsec_mod_exp(&t,a2,p2,m,ctx)) goto end;
 684         /* let rr = rr * t mod m */
 685         if (!BN_mod_mul(rr,rr,&t,m,ctx)) goto end;
 686         to_return = 1;
 687 end:
 688         BN_free(&t);
 689         return to_return;
 690         }
 691
 692 static int ubsec_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a,
 693                 const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
 694                 BN_MONT_CTX *m_ctx)
 695         {
 696         return ubsec_mod_exp(r, a, p, m, ctx);
 697         }
 698 #endif
 699 #endif
 700
 701 /*
 702  * This function is aliased to mod_exp (with the mont stuff dropped).
 703  */
 704 static int ubsec_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
 705                 const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
 706         {
 707         int ret = 0;
 708
 709 #ifndef OPENSSL_NO_RSA
 710         /* Do in software if the key is too large for the hardware. */
 711         if (BN_num_bits(m) > max_key_len)
 712                 {
 713                 const RSA_METHOD *meth = RSA_PKCS1_SSLeay();
 714                 ret = (*meth->bn_mod_exp)(r, a, p, m, ctx, m_ctx);
 715                 }
 716         else
 717 #endif
 718                 {
 719                 ret = ubsec_mod_exp(r, a, p, m, ctx);
 720                 }
 721
 722         return ret;
 723         }
 724
 725 #ifndef OPENSSL_NO_DH
 726 /* This function is aliased to mod_exp (with the dh and mont dropped). */
 727 static int ubsec_mod_exp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a,
 728                 const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
 729                 BN_MONT_CTX *m_ctx)
 730         {
 731         return ubsec_mod_exp(r, a, p, m, ctx);
 732         }
 733 #endif
 734
 735 #ifndef OPENSSL_NO_DSA
 736 static DSA_SIG *ubsec_dsa_do_sign(const unsigned char *dgst, int dlen, DSA *dsa)
 737         {
 738         DSA_SIG *to_return = NULL;
 739         int s_len = 160, r_len = 160, d_len, fd;
 740         BIGNUM m, *r=NULL, *s=NULL;
 741
 742         BN_init(&m);
 743
 744         s = BN_new();
 745         r = BN_new();
 746         if ((s == NULL) || (r==NULL))
 747                 goto err;
 748
 749         d_len = p_UBSEC_ubsec_bytes_to_bits((unsigned char *)dgst, dlen);
 750
 751         if(!bn_wexpand(r, (160+BN_BITS2-1)/BN_BITS2) ||
 752            (!bn_wexpand(s, (160+BN_BITS2-1)/BN_BITS2))) {
 753                 UBSECerr(UBSEC_F_UBSEC_DSA_DO_SIGN, UBSEC_R_BN_EXPAND_FAIL);
 754                 goto err;
 755         }
 756
 757         if (BN_bin2bn(dgst,dlen,&m) == NULL) {
 758                 UBSECerr(UBSEC_F_UBSEC_DSA_DO_SIGN, UBSEC_R_BN_EXPAND_FAIL);
 759                 goto err;
 760         }
 761
 762         if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0) {
 763                 const DSA_METHOD *meth;
 764                 fd = 0;
 765                 UBSECerr(UBSEC_F_UBSEC_DSA_DO_SIGN, UBSEC_R_UNIT_FAILURE);
 766                 meth = DSA_OpenSSL();
 767                 to_return =  meth->dsa_do_sign(dgst, dlen, dsa);
 768                 goto err;
 769         }
 770
 771         if (p_UBSEC_dsa_sign_ioctl(fd, 0, /* compute hash before signing */
 772                 (unsigned char *)dgst, d_len,
 773                 NULL, 0,  /* compute random value */
 774                 (unsigned char *)dsa->p->d, BN_num_bits(dsa->p),
 775                 (unsigned char *)dsa->q->d, BN_num_bits(dsa->q),
 776                 (unsigned char *)dsa->g->d, BN_num_bits(dsa->g),
 777                 (unsigned char *)dsa->priv_key->d, BN_num_bits(dsa->priv_key),
 778                 (unsigned char *)r->d, &r_len,
 779                 (unsigned char *)s->d, &s_len ) != 0) {
 780                 const DSA_METHOD *meth;
 781
 782                 UBSECerr(UBSEC_F_UBSEC_DSA_DO_SIGN, UBSEC_R_REQUEST_FAILED);
 783                 p_UBSEC_ubsec_close(fd);
 784                 meth = DSA_OpenSSL();
 785                 to_return = meth->dsa_do_sign(dgst, dlen, dsa);
 786
 787                 goto err;
 788         }
 789
 790         p_UBSEC_ubsec_close(fd);
 791
 792         r->top = (160+BN_BITS2-1)/BN_BITS2;
 793         s->top = (160+BN_BITS2-1)/BN_BITS2;
 794
 795         to_return = DSA_SIG_new();
 796         if(to_return == NULL) {
 797                 UBSECerr(UBSEC_F_UBSEC_DSA_DO_SIGN, UBSEC_R_BN_EXPAND_FAIL);
 798                 goto err;
 799         }
 800
 801         to_return->r = r;
 802         to_return->s = s;
 803
 804 err:
 805         if (!to_return) {
 806                 if (r) BN_free(r);
 807                 if (s) BN_free(s);
 808         }
 809         BN_clear_free(&m);
 810         return to_return;
 811 }
 812
 813 static int ubsec_dsa_verify(const unsigned char *dgst, int dgst_len,
 814                                 DSA_SIG *sig, DSA *dsa)
 815         {
 816         int v_len, d_len;
 817         int to_return = 0;
 818         int fd;
 819         BIGNUM v;
 820
 821         BN_init(&v);
 822
 823         if(!bn_wexpand(&v, dsa->p->top)) {
 824                 UBSECerr(UBSEC_F_UBSEC_DSA_VERIFY, UBSEC_R_BN_EXPAND_FAIL);
 825                 goto err;
 826         }
 827
 828         v_len = BN_num_bits(dsa->p);
 829
 830         d_len = p_UBSEC_ubsec_bytes_to_bits((unsigned char *)dgst, dgst_len);
 831
 832         if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0) {
 833                 const DSA_METHOD *meth;
 834                 fd = 0;
 835                 UBSECerr(UBSEC_F_UBSEC_DSA_VERIFY, UBSEC_R_UNIT_FAILURE);
 836                 meth = DSA_OpenSSL();
 837                 to_return = meth->dsa_do_verify(dgst, dgst_len, sig, dsa);
 838                 goto err;
 839         }
 840
 841         if (p_UBSEC_dsa_verify_ioctl(fd, 0, /* compute hash before signing */
 842                 (unsigned char *)dgst, d_len,
 843                 (unsigned char *)dsa->p->d, BN_num_bits(dsa->p),
 844                 (unsigned char *)dsa->q->d, BN_num_bits(dsa->q),
 845                 (unsigned char *)dsa->g->d, BN_num_bits(dsa->g),
 846                 (unsigned char *)dsa->pub_key->d, BN_num_bits(dsa->pub_key),
 847                 (unsigned char *)sig->r->d, BN_num_bits(sig->r),
 848                 (unsigned char *)sig->s->d, BN_num_bits(sig->s),
 849                 (unsigned char *)v.d, &v_len) != 0) {
 850                 const DSA_METHOD *meth;
 851                 UBSECerr(UBSEC_F_UBSEC_DSA_VERIFY, UBSEC_R_REQUEST_FAILED);
 852                 p_UBSEC_ubsec_close(fd);
 853
 854                 meth = DSA_OpenSSL();
 855                 to_return = meth->dsa_do_verify(dgst, dgst_len, sig, dsa);
 856
 857                 goto err;
 858         }
 859
 860         p_UBSEC_ubsec_close(fd);
 861
 862         to_return = 1;
 863 err:
 864         BN_clear_free(&v);
 865         return to_return;
 866         }
 867 #endif
 868
 869 #ifndef OPENSSL_NO_DH
 870 static int ubsec_dh_compute_key(unsigned char *key,const BIGNUM *pub_key,DH *dh)
 871         {
 872         int      ret      = -1,
 873                  k_len,
 874                  fd;
 875
 876         k_len = BN_num_bits(dh->p);
 877
 878         if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0)
 879                 {
 880                 const DH_METHOD *meth;
 881                 UBSECerr(UBSEC_F_UBSEC_DH_COMPUTE_KEY, UBSEC_R_UNIT_FAILURE);
 882                 meth = DH_OpenSSL();
 883                 ret = meth->compute_key(key, pub_key, dh);
 884                 goto err;
 885                 }
 886
 887         if (p_UBSEC_diffie_hellman_agree_ioctl(fd,
 888                                                (unsigned char *)dh->priv_key->d, BN_num_bits(dh->priv_key),
 889                                                (unsigned char *)pub_key->d, BN_num_bits(pub_key),
 890                                                (unsigned char *)dh->p->d, BN_num_bits(dh->p),
 891                                                key, &k_len) != 0)
 892                 {
 893                 /* Hardware's a no go, failover to software */
 894                 const DH_METHOD *meth;
 895                 UBSECerr(UBSEC_F_UBSEC_DH_COMPUTE_KEY, UBSEC_R_REQUEST_FAILED);
 896                 p_UBSEC_ubsec_close(fd);
 897
 898                 meth = DH_OpenSSL();
 899                 ret = meth->compute_key(key, pub_key, dh);
 900
 901                 goto err;
 902                 }
 903
 904         p_UBSEC_ubsec_close(fd);
 905
 906         ret = p_UBSEC_ubsec_bits_to_bytes(k_len);
 907 err:
 908         return ret;
 909         }
 910
 911 static int ubsec_dh_generate_key(DH *dh)
 912         {
 913         int      ret               = 0,
 914                  random_bits       = 0,
 915                  pub_key_len       = 0,
 916                  priv_key_len      = 0,
 917                  fd;
 918         BIGNUM   *pub_key          = NULL;
 919         BIGNUM   *priv_key         = NULL;
 920
 921         /*
 922          *  How many bits should Random x be? dh_key.c
 923          *  sets the range from 0 to num_bits(modulus) ???
 924          */
 925
 926         if (dh->priv_key == NULL)
 927                 {
 928                 priv_key = BN_new();
 929                 if (priv_key == NULL) goto err;
 930                 priv_key_len = BN_num_bits(dh->p);
 931                 bn_wexpand(priv_key, dh->p->top);
 932                 do
 933                         if (!BN_rand_range(priv_key, dh->p)) goto err;
 934                 while (BN_is_zero(priv_key));
 935                 random_bits = BN_num_bits(priv_key);
 936                 }
 937         else
 938                 {
 939                 priv_key = dh->priv_key;
 940                 }
 941
 942         if (dh->pub_key == NULL)
 943                 {
 944                 pub_key = BN_new();
 945                 pub_key_len = BN_num_bits(dh->p);
 946                 bn_wexpand(pub_key, dh->p->top);
 947                 if(pub_key == NULL) goto err;
 948                 }
 949         else
 950                 {
 951                 pub_key = dh->pub_key;
 952                 }
 953
 954         if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0)
 955                 {
 956                 const DH_METHOD *meth;
 957                 UBSECerr(UBSEC_F_UBSEC_DH_GENERATE_KEY, UBSEC_R_UNIT_FAILURE);
 958                 meth = DH_OpenSSL();
 959                 ret = meth->generate_key(dh);
 960                 goto err;
 961                 }
 962
 963         if (p_UBSEC_diffie_hellman_generate_ioctl(fd,
 964                                                   (unsigned char *)priv_key->d, &priv_key_len,
 965                                                   (unsigned char *)pub_key->d,  &pub_key_len,
 966                                                   (unsigned char *)dh->g->d, BN_num_bits(dh->g),
 967                                                   (unsigned char *)dh->p->d, BN_num_bits(dh->p),
 968                                                   0, 0, random_bits) != 0)
 969                 {
 970                 /* Hardware's a no go, failover to software */
 971                 const DH_METHOD *meth;
 972
 973                 UBSECerr(UBSEC_F_UBSEC_DH_GENERATE_KEY, UBSEC_R_REQUEST_FAILED);
 974                 p_UBSEC_ubsec_close(fd);
 975
 976                 meth = DH_OpenSSL();
 977                 ret = meth->generate_key(dh);
 978
 979                 goto err;
 980                 }
 981
 982         p_UBSEC_ubsec_close(fd);
 983
 984         dh->pub_key = pub_key;
 985         dh->pub_key->top = (pub_key_len + BN_BITS2-1) / BN_BITS2;
 986         dh->priv_key = priv_key;
 987         dh->priv_key->top = (priv_key_len + BN_BITS2-1) / BN_BITS2;
 988
 989         ret = 1;
 990 err:
 991         return ret;
 992         }
 993 #endif
 994
 995 #ifdef NOT_USED
 996 static int ubsec_rand_bytes(unsigned char * buf,
 997                             int num)
 998         {
 999         int      ret      = 0,
1000                  fd;
1001
1002         if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0)
1003                 {
1004                 const RAND_METHOD *meth;
1005                 UBSECerr(UBSEC_F_UBSEC_RAND_BYTES, UBSEC_R_UNIT_FAILURE);
1006                 num = p_UBSEC_ubsec_bits_to_bytes(num);
1007                 meth = RAND_SSLeay();
1008                 meth->seed(buf, num);
1009                 ret = meth->bytes(buf, num);
1010                 goto err;
1011                 }
1012
1013         num *= 8; /* bytes to bits */
1014
1015         if (p_UBSEC_rng_ioctl(fd,
1016                               UBSEC_RNG_DIRECT,
1017                               buf,
1018                               &num) != 0)
1019                 {
1020                 /* Hardware's a no go, failover to software */
1021                 const RAND_METHOD *meth;
1022
1023                 UBSECerr(UBSEC_F_UBSEC_RAND_BYTES, UBSEC_R_REQUEST_FAILED);
1024                 p_UBSEC_ubsec_close(fd);
1025
1026                 num = p_UBSEC_ubsec_bits_to_bytes(num);
1027                 meth = RAND_SSLeay();
1028                 meth->seed(buf, num);
1029                 ret = meth->bytes(buf, num);
1030
1031                 goto err;
1032                 }
1033
1034         p_UBSEC_ubsec_close(fd);
1035
1036         ret = 1;
1037 err:
1038         return(ret);
1039         }
1040
1041
1042 static int ubsec_rand_status(void)
1043         {
1044         return 0;
1045         }
1046 #endif
1047
1048 /* This stuff is needed if this ENGINE is being compiled into a self-contained
1049  * shared-library. */
1050 #ifndef OPENSSL_NO_DYNAMIC_ENGINE
1051 static int bind_fn(ENGINE *e, const char *id)
1052         {
1053         if(id && (strcmp(id, engine_ubsec_id) != 0))
1054                 return 0;
1055         if(!bind_helper(e))
1056                 return 0;
1057         return 1;
1058         }
1059 IMPLEMENT_DYNAMIC_CHECK_FN()
1060 IMPLEMENT_DYNAMIC_BIND_FN(bind_fn)
1061 #endif /* OPENSSL_NO_DYNAMIC_ENGINE */
1062
1063 #endif /* !OPENSSL_NO_HW_UBSEC */
1064 #endif /* !OPENSSL_NO_HW */