2 * Written by Corinne Dive-Reclus(cdive@baltimore.com)
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
17 * 3. All advertising materials mentioning features or use of this
18 * software must display the following acknowledgment:
19 * "This product includes software developed by the OpenSSL Project
20 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
22 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
23 * endorse or promote products derived from this software without
24 * prior written permission. For written permission, please contact
25 * licensing@OpenSSL.org.
27 * 5. Products derived from this software may not be called "OpenSSL"
28 * nor may "OpenSSL" appear in their names without prior written
29 * permission of the OpenSSL Project.
31 * 6. Redistributions of any form whatsoever must retain the following
33 * "This product includes software developed by the OpenSSL Project
34 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
36 * Written by Corinne Dive-Reclus(cdive@baltimore.com)
38 * Copyright@2001 Baltimore Technologies Ltd.
41 * THIS FILE IS PROVIDED BY BALTIMORE TECHNOLOGIES ``AS IS'' AND *
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE *
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE *
44 * ARE DISCLAIMED. IN NO EVENT SHALL BALTIMORE TECHNOLOGIES BE LIABLE *
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL *
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS *
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) *
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT *
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY *
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF *
52 ====================================================================*/
56 #include <openssl/crypto.h>
57 #include <openssl/pem.h>
58 #include <openssl/dso.h>
59 #include <openssl/engine.h>
60 #include <openssl/rand.h>
61 #ifndef OPENSSL_NO_RSA
62 # include <openssl/rsa.h>
64 #ifndef OPENSSL_NO_DSA
65 # include <openssl/dsa.h>
68 # include <openssl/dh.h>
70 #include <openssl/bn.h>
73 # ifndef OPENSSL_NO_HW_SUREWARE
76 # include "sureware.h"
78 # include "vendor_defns/sureware.h"
81 # define SUREWARE_LIB_NAME "sureware engine"
82 # include "e_sureware_err.c"
84 static int surewarehk_ctrl(ENGINE *e, int cmd, long i, void *p,
86 static int surewarehk_destroy(ENGINE *e);
87 static int surewarehk_init(ENGINE *e);
88 static int surewarehk_finish(ENGINE *e);
89 static int surewarehk_modexp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
90 const BIGNUM *m, BN_CTX *ctx);
93 # ifndef OPENSSL_NO_RSA
94 static int surewarehk_rsa_priv_dec(int flen, const unsigned char *from,
95 unsigned char *to, RSA *rsa, int padding);
96 static int surewarehk_rsa_sign(int flen, const unsigned char *from,
97 unsigned char *to, RSA *rsa, int padding);
101 static int surewarehk_rand_bytes(unsigned char *buf, int num);
102 static void surewarehk_rand_seed(const void *buf, int num);
103 static void surewarehk_rand_add(const void *buf, int num, double entropy);
106 static EVP_PKEY *surewarehk_load_privkey(ENGINE *e, const char *key_id,
107 UI_METHOD *ui_method,
108 void *callback_data);
109 static EVP_PKEY *surewarehk_load_pubkey(ENGINE *e, const char *key_id,
110 UI_METHOD *ui_method,
111 void *callback_data);
112 static void surewarehk_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
113 int idx, long argl, void *argp);
115 static void surewarehk_dh_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
116 int idx, long argl, void *argp);
119 # ifndef OPENSSL_NO_RSA
120 /* This function is aliased to mod_exp (with the mont stuff dropped). */
121 static int surewarehk_mod_exp_mont(BIGNUM *r, const BIGNUM *a,
122 const BIGNUM *p, const BIGNUM *m,
123 BN_CTX *ctx, BN_MONT_CTX *m_ctx)
125 return surewarehk_modexp(r, a, p, m, ctx);
128 /* Our internal RSA_METHOD that we provide pointers to */
129 static RSA_METHOD surewarehk_rsa = {
130 "SureWare RSA method",
133 surewarehk_rsa_sign, /* our rsa_sign is OpenSSL priv_enc */
134 surewarehk_rsa_priv_dec, /* priv_dec */
136 surewarehk_mod_exp_mont, /* mod_exp_mongomery */
141 NULL, /* OpenSSL sign */
142 NULL, /* OpenSSL verify */
147 # ifndef OPENSSL_NO_DH
148 /* Our internal DH_METHOD that we provide pointers to */
149 /* This function is aliased to mod_exp (with the dh and mont dropped). */
150 static int surewarehk_modexp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a,
151 const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
154 return surewarehk_modexp(r, a, p, m, ctx);
157 static DH_METHOD surewarehk_dh = {
158 "SureWare DH method",
161 surewarehk_modexp_dh, /* dh mod exp */
170 static RAND_METHOD surewarehk_rand = {
171 /* "SureWare RAND method", */
172 surewarehk_rand_seed,
173 surewarehk_rand_bytes,
176 surewarehk_rand_bytes,
177 NULL, /* rand_status */
180 # ifndef OPENSSL_NO_DSA
182 static DSA_SIG *surewarehk_dsa_do_sign(const unsigned char *dgst, int dlen,
184 static int surewarehk_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1,
185 BIGNUM *p1, BIGNUM *a2, BIGNUM *p2,
186 BIGNUM *m, BN_CTX *ctx,
187 BN_MONT_CTX *in_mont)
192 /* let rr = a1 ^ p1 mod m */
193 if (!surewarehk_modexp(rr, a1, p1, m, ctx))
195 /* let t = a2 ^ p2 mod m */
196 if (!surewarehk_modexp(&t, a2, p2, m, ctx))
198 /* let rr = rr * t mod m */
199 if (!BN_mod_mul(rr, rr, &t, m, ctx))
207 static DSA_METHOD surewarehk_dsa = {
208 "SureWare DSA method",
209 surewarehk_dsa_do_sign,
210 NULL, /* sign setup */
212 surewarehk_dsa_mod_exp, /* mod exp */
213 NULL, /* bn mod exp */
223 static const char *engine_sureware_id = "sureware";
224 static const char *engine_sureware_name = "SureWare hardware engine support";
226 /* Now, to our own code */
229 * As this is only ever called once, there's no need for locking (indeed -
230 * the lock will already be held by our caller!!!)
232 static int bind_sureware(ENGINE *e)
234 # ifndef OPENSSL_NO_RSA
235 const RSA_METHOD *meth1;
237 # ifndef OPENSSL_NO_DSA
238 const DSA_METHOD *meth2;
240 # ifndef OPENSSL_NO_DH
241 const DH_METHOD *meth3;
244 if (!ENGINE_set_id(e, engine_sureware_id) ||
245 !ENGINE_set_name(e, engine_sureware_name) ||
246 # ifndef OPENSSL_NO_RSA
247 !ENGINE_set_RSA(e, &surewarehk_rsa) ||
249 # ifndef OPENSSL_NO_DSA
250 !ENGINE_set_DSA(e, &surewarehk_dsa) ||
252 # ifndef OPENSSL_NO_DH
253 !ENGINE_set_DH(e, &surewarehk_dh) ||
255 !ENGINE_set_RAND(e, &surewarehk_rand) ||
256 !ENGINE_set_destroy_function(e, surewarehk_destroy) ||
257 !ENGINE_set_init_function(e, surewarehk_init) ||
258 !ENGINE_set_finish_function(e, surewarehk_finish) ||
259 !ENGINE_set_ctrl_function(e, surewarehk_ctrl) ||
260 !ENGINE_set_load_privkey_function(e, surewarehk_load_privkey) ||
261 !ENGINE_set_load_pubkey_function(e, surewarehk_load_pubkey))
264 # ifndef OPENSSL_NO_RSA
266 * We know that the "PKCS1_SSLeay()" functions hook properly to the
267 * cswift-specific mod_exp and mod_exp_crt so we use those functions. NB:
268 * We don't use ENGINE_openssl() or anything "more generic" because
269 * something like the RSAref code may not hook properly, and if you own
270 * one of these cards then you have the right to do RSA operations on it
273 meth1 = RSA_PKCS1_SSLeay();
275 surewarehk_rsa.rsa_pub_enc = meth1->rsa_pub_enc;
276 surewarehk_rsa.rsa_pub_dec = meth1->rsa_pub_dec;
280 # ifndef OPENSSL_NO_DSA
282 * Use the DSA_OpenSSL() method and just hook the mod_exp-ish bits.
284 meth2 = DSA_OpenSSL();
286 surewarehk_dsa.dsa_do_verify = meth2->dsa_do_verify;
290 # ifndef OPENSSL_NO_DH
291 /* Much the same for Diffie-Hellman */
292 meth3 = DH_OpenSSL();
294 surewarehk_dh.generate_key = meth3->generate_key;
295 surewarehk_dh.compute_key = meth3->compute_key;
299 /* Ensure the sureware error handling is set up */
300 ERR_load_SUREWARE_strings();
304 # ifndef OPENSSL_NO_DYNAMIC_ENGINE
305 static int bind_helper(ENGINE *e, const char *id)
307 if (id && (strcmp(id, engine_sureware_id) != 0))
309 if (!bind_sureware(e))
314 IMPLEMENT_DYNAMIC_CHECK_FN()
315 IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
317 static ENGINE *engine_sureware(void)
319 ENGINE *ret = ENGINE_new();
322 if (!bind_sureware(ret)) {
329 void ENGINE_load_sureware(void)
331 /* Copied from eng_[openssl|dyn].c */
332 ENGINE *toadd = engine_sureware();
342 * This is a process-global DSO handle used for loading and unloading the
343 * SureWareHook library. NB: This is only set (or unset) during an init() or
344 * finish() call (reference counts permitting) and they're operating with
345 * global locks, so this should be thread-safe implicitly.
347 static DSO *surewarehk_dso = NULL;
348 # ifndef OPENSSL_NO_RSA
349 /* Index for KM handle. Not really used yet. */
350 static int rsaHndidx = -1;
352 # ifndef OPENSSL_NO_DSA
353 /* Index for KM handle. Not really used yet. */
354 static int dsaHndidx = -1;
358 * These are the function pointers that are (un)set when the library has
359 * successfully (un)loaded.
361 static SureWareHook_Init_t *p_surewarehk_Init = NULL;
362 static SureWareHook_Finish_t *p_surewarehk_Finish = NULL;
363 static SureWareHook_Rand_Bytes_t *p_surewarehk_Rand_Bytes = NULL;
364 static SureWareHook_Rand_Seed_t *p_surewarehk_Rand_Seed = NULL;
365 static SureWareHook_Load_Privkey_t *p_surewarehk_Load_Privkey = NULL;
366 static SureWareHook_Info_Pubkey_t *p_surewarehk_Info_Pubkey = NULL;
367 static SureWareHook_Load_Rsa_Pubkey_t *p_surewarehk_Load_Rsa_Pubkey = NULL;
368 static SureWareHook_Load_Dsa_Pubkey_t *p_surewarehk_Load_Dsa_Pubkey = NULL;
369 static SureWareHook_Free_t *p_surewarehk_Free = NULL;
370 static SureWareHook_Rsa_Priv_Dec_t *p_surewarehk_Rsa_Priv_Dec = NULL;
371 static SureWareHook_Rsa_Sign_t *p_surewarehk_Rsa_Sign = NULL;
372 static SureWareHook_Dsa_Sign_t *p_surewarehk_Dsa_Sign = NULL;
373 static SureWareHook_Mod_Exp_t *p_surewarehk_Mod_Exp = NULL;
375 /* Used in the DSO operations. */
376 static const char *surewarehk_LIBNAME = "SureWareHook";
377 static const char *n_surewarehk_Init = "SureWareHook_Init";
378 static const char *n_surewarehk_Finish = "SureWareHook_Finish";
379 static const char *n_surewarehk_Rand_Bytes = "SureWareHook_Rand_Bytes";
380 static const char *n_surewarehk_Rand_Seed = "SureWareHook_Rand_Seed";
381 static const char *n_surewarehk_Load_Privkey = "SureWareHook_Load_Privkey";
382 static const char *n_surewarehk_Info_Pubkey = "SureWareHook_Info_Pubkey";
383 static const char *n_surewarehk_Load_Rsa_Pubkey =
384 "SureWareHook_Load_Rsa_Pubkey";
385 static const char *n_surewarehk_Load_Dsa_Pubkey =
386 "SureWareHook_Load_Dsa_Pubkey";
387 static const char *n_surewarehk_Free = "SureWareHook_Free";
388 static const char *n_surewarehk_Rsa_Priv_Dec = "SureWareHook_Rsa_Priv_Dec";
389 static const char *n_surewarehk_Rsa_Sign = "SureWareHook_Rsa_Sign";
390 static const char *n_surewarehk_Dsa_Sign = "SureWareHook_Dsa_Sign";
391 static const char *n_surewarehk_Mod_Exp = "SureWareHook_Mod_Exp";
392 static BIO *logstream = NULL;
395 * SureWareHook library functions and mechanics - these are used by the
396 * higher-level functions further down. NB: As and where there's no error
397 * checking, take a look lower down where these functions are called, the
398 * checking and error handling is probably down there.
400 static int threadsafe = 1;
401 static int surewarehk_ctrl(ENGINE *e, int cmd, long i, void *p,
407 case ENGINE_CTRL_SET_LOGSTREAM:
410 CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
415 if (CRYPTO_add(&bio->references, 1, CRYPTO_LOCK_BIO) > 1)
418 SUREWAREerr(SUREWARE_F_SUREWAREHK_CTRL,
419 SUREWARE_R_BIO_WAS_FREED);
421 CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
424 * This will prevent the initialisation function from "installing"
425 * the mutex-handling callbacks, even if they are available from
426 * within the library (or were provided to the library from the
427 * calling application). This is to remove any baggage for
428 * applications not using multithreading.
430 case ENGINE_CTRL_CHIL_NO_LOCKING:
431 CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
433 CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
436 /* The command isn't understood by this engine */
438 SUREWAREerr(SUREWARE_F_SUREWAREHK_CTRL,
439 ENGINE_R_CTRL_COMMAND_NOT_IMPLEMENTED);
447 /* Destructor (complements the "ENGINE_surewarehk()" constructor) */
448 static int surewarehk_destroy(ENGINE *e)
450 ERR_unload_SUREWARE_strings();
454 /* (de)initialisation functions. */
455 static int surewarehk_init(ENGINE *e)
457 char msg[64] = "ENGINE_init";
458 SureWareHook_Init_t *p1 = NULL;
459 SureWareHook_Finish_t *p2 = NULL;
460 SureWareHook_Rand_Bytes_t *p3 = NULL;
461 SureWareHook_Rand_Seed_t *p4 = NULL;
462 SureWareHook_Load_Privkey_t *p5 = NULL;
463 SureWareHook_Load_Rsa_Pubkey_t *p6 = NULL;
464 SureWareHook_Free_t *p7 = NULL;
465 SureWareHook_Rsa_Priv_Dec_t *p8 = NULL;
466 SureWareHook_Rsa_Sign_t *p9 = NULL;
467 SureWareHook_Dsa_Sign_t *p12 = NULL;
468 SureWareHook_Info_Pubkey_t *p13 = NULL;
469 SureWareHook_Load_Dsa_Pubkey_t *p14 = NULL;
470 SureWareHook_Mod_Exp_t *p15 = NULL;
472 if (surewarehk_dso != NULL) {
473 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT, ENGINE_R_ALREADY_LOADED);
476 /* Attempt to load libsurewarehk.so/surewarehk.dll/whatever. */
477 surewarehk_dso = DSO_load(NULL, surewarehk_LIBNAME, NULL, 0);
478 if (surewarehk_dso == NULL) {
479 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT, ENGINE_R_DSO_FAILURE);
484 (SureWareHook_Init_t *) DSO_bind_func(surewarehk_dso,
487 (SureWareHook_Finish_t *) DSO_bind_func(surewarehk_dso,
488 n_surewarehk_Finish))
490 (SureWareHook_Rand_Bytes_t *) DSO_bind_func(surewarehk_dso,
491 n_surewarehk_Rand_Bytes))
493 (SureWareHook_Rand_Seed_t *) DSO_bind_func(surewarehk_dso,
494 n_surewarehk_Rand_Seed))
496 (SureWareHook_Load_Privkey_t *) DSO_bind_func(surewarehk_dso,
497 n_surewarehk_Load_Privkey))
499 (SureWareHook_Load_Rsa_Pubkey_t *) DSO_bind_func(surewarehk_dso,
500 n_surewarehk_Load_Rsa_Pubkey))
502 (SureWareHook_Free_t *) DSO_bind_func(surewarehk_dso, n_surewarehk_Free))
504 (SureWareHook_Rsa_Priv_Dec_t *) DSO_bind_func(surewarehk_dso,
505 n_surewarehk_Rsa_Priv_Dec))
507 (SureWareHook_Rsa_Sign_t *) DSO_bind_func(surewarehk_dso,
508 n_surewarehk_Rsa_Sign))
510 (SureWareHook_Dsa_Sign_t *) DSO_bind_func(surewarehk_dso,
511 n_surewarehk_Dsa_Sign))
513 (SureWareHook_Info_Pubkey_t *) DSO_bind_func(surewarehk_dso,
514 n_surewarehk_Info_Pubkey))
516 (SureWareHook_Load_Dsa_Pubkey_t *) DSO_bind_func(surewarehk_dso,
517 n_surewarehk_Load_Dsa_Pubkey))
519 (SureWareHook_Mod_Exp_t *) DSO_bind_func(surewarehk_dso,
520 n_surewarehk_Mod_Exp))) {
521 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT, ENGINE_R_DSO_FAILURE);
524 /* Copy the pointers */
525 p_surewarehk_Init = p1;
526 p_surewarehk_Finish = p2;
527 p_surewarehk_Rand_Bytes = p3;
528 p_surewarehk_Rand_Seed = p4;
529 p_surewarehk_Load_Privkey = p5;
530 p_surewarehk_Load_Rsa_Pubkey = p6;
531 p_surewarehk_Free = p7;
532 p_surewarehk_Rsa_Priv_Dec = p8;
533 p_surewarehk_Rsa_Sign = p9;
534 p_surewarehk_Dsa_Sign = p12;
535 p_surewarehk_Info_Pubkey = p13;
536 p_surewarehk_Load_Dsa_Pubkey = p14;
537 p_surewarehk_Mod_Exp = p15;
538 /* Contact the hardware and initialises it. */
539 if (p_surewarehk_Init(msg, threadsafe) == SUREWAREHOOK_ERROR_UNIT_FAILURE) {
540 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT, SUREWARE_R_UNIT_FAILURE);
543 if (p_surewarehk_Init(msg, threadsafe) == SUREWAREHOOK_ERROR_UNIT_FAILURE) {
544 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT, SUREWARE_R_UNIT_FAILURE);
548 * try to load the default private key, if failed does not return a
549 * failure but wait for an explicit ENGINE_load_privakey
551 surewarehk_load_privkey(e, NULL, NULL, NULL);
553 /* Everything's fine. */
554 # ifndef OPENSSL_NO_RSA
556 rsaHndidx = RSA_get_ex_new_index(0,
557 "SureWareHook RSA key handle",
558 NULL, NULL, surewarehk_ex_free);
560 # ifndef OPENSSL_NO_DSA
562 dsaHndidx = DSA_get_ex_new_index(0,
563 "SureWareHook DSA key handle",
564 NULL, NULL, surewarehk_ex_free);
570 DSO_free(surewarehk_dso);
571 surewarehk_dso = NULL;
572 p_surewarehk_Init = NULL;
573 p_surewarehk_Finish = NULL;
574 p_surewarehk_Rand_Bytes = NULL;
575 p_surewarehk_Rand_Seed = NULL;
576 p_surewarehk_Load_Privkey = NULL;
577 p_surewarehk_Load_Rsa_Pubkey = NULL;
578 p_surewarehk_Free = NULL;
579 p_surewarehk_Rsa_Priv_Dec = NULL;
580 p_surewarehk_Rsa_Sign = NULL;
581 p_surewarehk_Dsa_Sign = NULL;
582 p_surewarehk_Info_Pubkey = NULL;
583 p_surewarehk_Load_Dsa_Pubkey = NULL;
584 p_surewarehk_Mod_Exp = NULL;
588 static int surewarehk_finish(ENGINE *e)
591 if (surewarehk_dso == NULL) {
592 SUREWAREerr(SUREWARE_F_SUREWAREHK_FINISH, ENGINE_R_NOT_LOADED);
596 p_surewarehk_Finish();
597 if (!DSO_free(surewarehk_dso)) {
598 SUREWAREerr(SUREWARE_F_SUREWAREHK_FINISH, ENGINE_R_DSO_FAILURE);
605 surewarehk_dso = NULL;
606 p_surewarehk_Init = NULL;
607 p_surewarehk_Finish = NULL;
608 p_surewarehk_Rand_Bytes = NULL;
609 p_surewarehk_Rand_Seed = NULL;
610 p_surewarehk_Load_Privkey = NULL;
611 p_surewarehk_Load_Rsa_Pubkey = NULL;
612 p_surewarehk_Free = NULL;
613 p_surewarehk_Rsa_Priv_Dec = NULL;
614 p_surewarehk_Rsa_Sign = NULL;
615 p_surewarehk_Dsa_Sign = NULL;
616 p_surewarehk_Info_Pubkey = NULL;
617 p_surewarehk_Load_Dsa_Pubkey = NULL;
618 p_surewarehk_Mod_Exp = NULL;
622 static void surewarehk_error_handling(char *const msg, int func, int ret)
625 case SUREWAREHOOK_ERROR_UNIT_FAILURE:
626 ENGINEerr(func, SUREWARE_R_UNIT_FAILURE);
628 case SUREWAREHOOK_ERROR_FALLBACK:
629 ENGINEerr(func, SUREWARE_R_REQUEST_FALLBACK);
631 case SUREWAREHOOK_ERROR_DATA_SIZE:
632 ENGINEerr(func, SUREWARE_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
634 case SUREWAREHOOK_ERROR_INVALID_PAD:
635 ENGINEerr(func, SUREWARE_R_PADDING_CHECK_FAILED);
638 ENGINEerr(func, SUREWARE_R_REQUEST_FAILED);
640 case 1: /* nothing */
644 ERR_add_error_data(1, msg);
646 CRYPTO_w_lock(CRYPTO_LOCK_BIO);
647 BIO_write(logstream, msg, strlen(msg));
648 CRYPTO_w_unlock(CRYPTO_LOCK_BIO);
653 static int surewarehk_rand_bytes(unsigned char *buf, int num)
656 char msg[64] = "ENGINE_rand_bytes";
657 if (!p_surewarehk_Rand_Bytes) {
658 SUREWAREerr(SUREWARE_F_SUREWAREHK_RAND_BYTES,
659 ENGINE_R_NOT_INITIALISED);
661 ret = p_surewarehk_Rand_Bytes(msg, buf, num);
662 surewarehk_error_handling(msg, SUREWARE_F_SUREWAREHK_RAND_BYTES, ret);
664 return ret == 1 ? 1 : 0;
667 static void surewarehk_rand_seed(const void *buf, int num)
670 char msg[64] = "ENGINE_rand_seed";
671 if (!p_surewarehk_Rand_Seed) {
672 SUREWAREerr(SUREWARE_F_SUREWAREHK_RAND_SEED,
673 ENGINE_R_NOT_INITIALISED);
675 ret = p_surewarehk_Rand_Seed(msg, buf, num);
676 surewarehk_error_handling(msg, SUREWARE_F_SUREWAREHK_RAND_SEED, ret);
680 static void surewarehk_rand_add(const void *buf, int num, double entropy)
682 surewarehk_rand_seed(buf, num);
685 static EVP_PKEY *sureware_load_public(ENGINE *e, const char *key_id,
686 char *hptr, unsigned long el,
689 EVP_PKEY *res = NULL;
690 # ifndef OPENSSL_NO_RSA
693 # ifndef OPENSSL_NO_DSA
696 char msg[64] = "sureware_load_public";
698 if (!p_surewarehk_Load_Rsa_Pubkey || !p_surewarehk_Load_Dsa_Pubkey) {
699 SUREWAREerr(SUREWARE_F_SUREWARE_LOAD_PUBLIC,
700 ENGINE_R_NOT_INITIALISED);
704 # ifndef OPENSSL_NO_RSA
707 /* set private external reference */
708 rsatmp = RSA_new_method(e);
709 RSA_set_ex_data(rsatmp, rsaHndidx, hptr);
710 rsatmp->flags |= RSA_FLAG_EXT_PKEY;
712 /* set public big nums */
713 rsatmp->e = BN_new();
714 rsatmp->n = BN_new();
715 if(!rsatmp->e || !rsatmp->n)
717 bn_expand2(rsatmp->e, el / sizeof(BN_ULONG));
718 bn_expand2(rsatmp->n, el / sizeof(BN_ULONG));
719 if (rsatmp->e->dmax != (int)(el / sizeof(BN_ULONG)) ||
720 rsatmp->n->dmax != (int)(el / sizeof(BN_ULONG)))
722 ret = p_surewarehk_Load_Rsa_Pubkey(msg, key_id, el,
723 (unsigned long *)rsatmp->n->d,
724 (unsigned long *)rsatmp->e->d);
725 surewarehk_error_handling(msg, SUREWARE_F_SUREWARE_LOAD_PUBLIC, ret);
727 SUREWAREerr(SUREWARE_F_SUREWARE_LOAD_PUBLIC,
728 ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
731 /* normalise pub e and pub n */
732 rsatmp->e->top = el / sizeof(BN_ULONG);
733 bn_fix_top(rsatmp->e);
734 rsatmp->n->top = el / sizeof(BN_ULONG);
735 bn_fix_top(rsatmp->n);
736 /* create an EVP object: engine + rsa key */
737 res = EVP_PKEY_new();
738 EVP_PKEY_assign_RSA(res, rsatmp);
742 # ifndef OPENSSL_NO_DSA
745 /* set private/public external reference */
746 dsatmp = DSA_new_method(e);
747 DSA_set_ex_data(dsatmp, dsaHndidx, hptr);
749 * dsatmp->flags |= DSA_FLAG_EXT_PKEY;
753 dsatmp->pub_key = BN_new();
754 dsatmp->p = BN_new();
755 dsatmp->q = BN_new();
756 dsatmp->g = BN_new();
757 if(!dsatmp->pub_key || !dsatmp->p || !dsatmp->q || !dsatmp->g)
759 bn_expand2(dsatmp->pub_key, el / sizeof(BN_ULONG));
760 bn_expand2(dsatmp->p, el / sizeof(BN_ULONG));
761 bn_expand2(dsatmp->q, 20 / sizeof(BN_ULONG));
762 bn_expand2(dsatmp->g, el / sizeof(BN_ULONG));
763 if (dsatmp->pub_key->dmax != (int)(el / sizeof(BN_ULONG))
764 || dsatmp->p->dmax != (int)(el / sizeof(BN_ULONG))
765 || dsatmp->q->dmax != 20 / sizeof(BN_ULONG)
766 || dsatmp->g->dmax != (int)(el / sizeof(BN_ULONG)))
769 ret = p_surewarehk_Load_Dsa_Pubkey(msg, key_id, el,
770 (unsigned long *)dsatmp->
772 (unsigned long *)dsatmp->p->d,
773 (unsigned long *)dsatmp->q->d,
774 (unsigned long *)dsatmp->g->d);
775 surewarehk_error_handling(msg, SUREWARE_F_SUREWARE_LOAD_PUBLIC, ret);
777 SUREWAREerr(SUREWARE_F_SUREWARE_LOAD_PUBLIC,
778 ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
782 /* normalise pubkey and parameters in case of */
783 dsatmp->pub_key->top = el / sizeof(BN_ULONG);
784 bn_fix_top(dsatmp->pub_key);
785 dsatmp->p->top = el / sizeof(BN_ULONG);
786 bn_fix_top(dsatmp->p);
787 dsatmp->q->top = 20 / sizeof(BN_ULONG);
788 bn_fix_top(dsatmp->q);
789 dsatmp->g->top = el / sizeof(BN_ULONG);
790 bn_fix_top(dsatmp->g);
792 /* create an EVP object: engine + rsa key */
793 res = EVP_PKEY_new();
794 EVP_PKEY_assign_DSA(res, dsatmp);
799 SUREWAREerr(SUREWARE_F_SUREWARE_LOAD_PUBLIC,
800 ENGINE_R_FAILED_LOADING_PRIVATE_KEY);
805 # ifndef OPENSSL_NO_RSA
809 # ifndef OPENSSL_NO_DSA
816 static EVP_PKEY *surewarehk_load_privkey(ENGINE *e, const char *key_id,
817 UI_METHOD *ui_method,
820 EVP_PKEY *res = NULL;
822 unsigned long el = 0;
825 char msg[64] = "ENGINE_load_privkey";
827 if (!p_surewarehk_Load_Privkey) {
828 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVKEY,
829 ENGINE_R_NOT_INITIALISED);
831 ret = p_surewarehk_Load_Privkey(msg, key_id, &hptr, &el, &keytype);
833 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVKEY,
834 ENGINE_R_FAILED_LOADING_PRIVATE_KEY);
835 ERR_add_error_data(1, msg);
837 res = sureware_load_public(e, key_id, hptr, el, keytype);
842 static EVP_PKEY *surewarehk_load_pubkey(ENGINE *e, const char *key_id,
843 UI_METHOD *ui_method,
846 EVP_PKEY *res = NULL;
848 unsigned long el = 0;
851 char msg[64] = "ENGINE_load_pubkey";
853 if (!p_surewarehk_Info_Pubkey) {
854 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PUBKEY,
855 ENGINE_R_NOT_INITIALISED);
857 /* call once to identify if DSA or RSA */
858 ret = p_surewarehk_Info_Pubkey(msg, key_id, &el, &keytype);
860 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PUBKEY,
861 ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
862 ERR_add_error_data(1, msg);
864 res = sureware_load_public(e, key_id, hptr, el, keytype);
870 * This cleans up an RSA/DSA KM key(do not destroy the key into the hardware)
871 * , called when ex_data is freed
873 static void surewarehk_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
874 int idx, long argl, void *argp)
876 if (!p_surewarehk_Free) {
877 SUREWAREerr(SUREWARE_F_SUREWAREHK_EX_FREE, ENGINE_R_NOT_INITIALISED);
879 p_surewarehk_Free((char *)item, 0);
883 /* not currently used (bug?) */
885 * This cleans up an DH KM key (destroys the key into hardware), called when
888 static void surewarehk_dh_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
889 int idx, long argl, void *argp)
891 if (!p_surewarehk_Free) {
892 SUREWAREerr(SUREWARE_F_SUREWAREHK_DH_EX_FREE,
893 ENGINE_R_NOT_INITIALISED);
895 p_surewarehk_Free((char *)item, 1);
900 * return number of decrypted bytes
902 # ifndef OPENSSL_NO_RSA
903 static int surewarehk_rsa_priv_dec(int flen, const unsigned char *from,
904 unsigned char *to, RSA *rsa, int padding)
907 char *buf = NULL, *hptr = NULL;
908 char msg[64] = "ENGINE_rsa_priv_dec";
909 if (!p_surewarehk_Rsa_Priv_Dec) {
910 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,
911 ENGINE_R_NOT_INITIALISED);
913 /* extract ref to private key */
914 else if (!(hptr = RSA_get_ex_data(rsa, rsaHndidx))) {
915 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,
916 SUREWARE_R_MISSING_KEY_COMPONENTS);
919 /* analyse what padding we can do into the hardware */
920 if (padding == RSA_PKCS1_PADDING) {
923 p_surewarehk_Rsa_Priv_Dec(msg, flen, (unsigned char *)from, &tlen,
924 to, hptr, SUREWARE_PKCS1_PAD);
925 surewarehk_error_handling(msg, SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,
930 } else { /* do with no padding into hardware */
933 p_surewarehk_Rsa_Priv_Dec(msg, flen, (unsigned char *)from, &tlen,
934 to, hptr, SUREWARE_NO_PAD);
935 surewarehk_error_handling(msg, SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,
939 /* intermediate buffer for padding */
940 if ((buf = OPENSSL_malloc(tlen)) == NULL) {
941 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,
942 ERR_R_MALLOC_FAILURE);
945 memcpy(buf, to, tlen); /* transfert to into buf */
946 switch (padding) { /* check padding in software */
947 # ifndef OPENSSL_NO_SHA
948 case RSA_PKCS1_OAEP_PADDING:
950 RSA_padding_check_PKCS1_OAEP(to, tlen, (unsigned char *)buf,
951 tlen, tlen, NULL, 0);
954 case RSA_SSLV23_PADDING:
956 RSA_padding_check_SSLv23(to, tlen, (unsigned char *)buf, flen,
961 RSA_padding_check_none(to, tlen, (unsigned char *)buf, flen,
965 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,
966 SUREWARE_R_UNKNOWN_PADDING_TYPE);
970 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,
971 SUREWARE_R_PADDING_CHECK_FAILED);
975 OPENSSL_cleanse(buf, tlen);
982 * Does what OpenSSL rsa_priv_enc does.
984 static int surewarehk_rsa_sign(int flen, const unsigned char *from,
985 unsigned char *to, RSA *rsa, int padding)
989 char msg[64] = "ENGINE_rsa_sign";
990 if (!p_surewarehk_Rsa_Sign) {
991 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_SIGN, ENGINE_R_NOT_INITIALISED);
993 /* extract ref to private key */
994 else if (!(hptr = RSA_get_ex_data(rsa, rsaHndidx))) {
995 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_SIGN,
996 SUREWARE_R_MISSING_KEY_COMPONENTS);
999 case RSA_PKCS1_PADDING: /* do it in one shot */
1001 p_surewarehk_Rsa_Sign(msg, flen, (unsigned char *)from, &tlen,
1002 to, hptr, SUREWARE_PKCS1_PAD);
1003 surewarehk_error_handling(msg, SUREWARE_F_SUREWAREHK_RSA_SIGN,
1006 case RSA_NO_PADDING:
1008 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_SIGN,
1009 SUREWARE_R_UNKNOWN_PADDING_TYPE);
1012 return ret == 1 ? tlen : ret;
1017 # ifndef OPENSSL_NO_DSA
1018 /* DSA sign and verify */
1019 static DSA_SIG *surewarehk_dsa_do_sign(const unsigned char *from, int flen,
1024 DSA_SIG *psign = NULL;
1025 char msg[64] = "ENGINE_dsa_do_sign";
1026 if (!p_surewarehk_Dsa_Sign) {
1027 SUREWAREerr(SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,
1028 ENGINE_R_NOT_INITIALISED);
1031 /* extract ref to private key */
1032 else if (!(hptr = DSA_get_ex_data(dsa, dsaHndidx))) {
1033 SUREWAREerr(SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,
1034 SUREWARE_R_MISSING_KEY_COMPONENTS);
1037 if ((psign = DSA_SIG_new()) == NULL) {
1038 SUREWAREerr(SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,
1039 ERR_R_MALLOC_FAILURE);
1042 psign->r = BN_new();
1043 psign->s = BN_new();
1044 if(!psign->r || !psign->s)
1046 bn_expand2(psign->r, 20 / sizeof(BN_ULONG));
1047 bn_expand2(psign->s, 20 / sizeof(BN_ULONG));
1048 if (psign->r->dmax != 20 / sizeof(BN_ULONG) ||
1049 psign->s->dmax != 20 / sizeof(BN_ULONG))
1051 ret = p_surewarehk_Dsa_Sign(msg, flen, from,
1052 (unsigned long *)psign->r->d,
1053 (unsigned long *)psign->s->d, hptr);
1054 surewarehk_error_handling(msg, SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,
1057 psign->r->top = 20 / sizeof(BN_ULONG);
1058 bn_fix_top(psign->r);
1059 psign->s->top = 20 / sizeof(BN_ULONG);
1060 bn_fix_top(psign->s);
1064 DSA_SIG_free(psign);
1071 static int surewarehk_modexp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
1072 const BIGNUM *m, BN_CTX *ctx)
1075 char msg[64] = "ENGINE_modexp";
1076 if (!p_surewarehk_Mod_Exp) {
1077 SUREWAREerr(SUREWARE_F_SUREWAREHK_MODEXP, ENGINE_R_NOT_INITIALISED);
1079 bn_expand2(r, m->top);
1080 if (r->dmax == m->top) {
1082 ret = p_surewarehk_Mod_Exp(msg,
1083 m->top * sizeof(BN_ULONG),
1084 (unsigned long *)m->d,
1085 p->top * sizeof(BN_ULONG),
1086 (unsigned long *)p->d,
1087 a->top * sizeof(BN_ULONG),
1088 (unsigned long *)a->d,
1089 (unsigned long *)r->d);
1090 surewarehk_error_handling(msg, SUREWARE_F_SUREWAREHK_MODEXP, ret);
1092 /* normalise result */
1100 # endif /* !OPENSSL_NO_HW_SureWare */
1101 #endif /* !OPENSSL_NO_HW */