1 /* Written by Corinne Dive-Reclus(cdive@baltimore.com)
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in
13 * the documentation and/or other materials provided with the
16 * 3. All advertising materials mentioning features or use of this
17 * software must display the following acknowledgment:
18 * "This product includes software developed by the OpenSSL Project
19 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
21 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
22 * endorse or promote products derived from this software without
23 * prior written permission. For written permission, please contact
24 * licensing@OpenSSL.org.
26 * 5. Products derived from this software may not be called "OpenSSL"
27 * nor may "OpenSSL" appear in their names without prior written
28 * permission of the OpenSSL Project.
30 * 6. Redistributions of any form whatsoever must retain the following
32 * "This product includes software developed by the OpenSSL Project
33 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
35 * Written by Corinne Dive-Reclus(cdive@baltimore.com)
37 * Copyright@2001 Baltimore Technologies Ltd.
40 * THIS FILE IS PROVIDED BY BALTIMORE TECHNOLOGIES ``AS IS'' AND *
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE *
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE *
43 * ARE DISCLAIMED. IN NO EVENT SHALL BALTIMORE TECHNOLOGIES BE LIABLE *
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL *
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS *
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) *
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT *
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY *
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF *
51 ====================================================================*/
55 #include <openssl/crypto.h>
56 #include <openssl/pem.h>
57 #include <openssl/dso.h>
58 #include <openssl/engine.h>
59 #include <openssl/rand.h>
60 #ifndef OPENSSL_NO_RSA
61 #include <openssl/rsa.h>
63 #ifndef OPENSSL_NO_DSA
64 #include <openssl/dsa.h>
67 #include <openssl/dh.h>
69 #include <openssl/bn.h>
72 #ifndef OPENSSL_NO_HW_SUREWARE
77 #include "vendor_defns/sureware.h"
80 #define SUREWARE_LIB_NAME "sureware engine"
81 #include "e_sureware_err.c"
83 static int surewarehk_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void));
84 static int surewarehk_destroy(ENGINE *e);
85 static int surewarehk_init(ENGINE *e);
86 static int surewarehk_finish(ENGINE *e);
87 static int surewarehk_modexp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
88 const BIGNUM *m, BN_CTX *ctx);
91 #ifndef OPENSSL_NO_RSA
92 static int surewarehk_rsa_priv_dec(int flen,const unsigned char *from,unsigned char *to,
93 RSA *rsa,int padding);
94 static int surewarehk_rsa_sign(int flen,const unsigned char *from,unsigned char *to,
95 RSA *rsa,int padding);
99 static int surewarehk_rand_bytes(unsigned char *buf, int num);
100 static void surewarehk_rand_seed(const void *buf, int num);
101 static void surewarehk_rand_add(const void *buf, int num, double entropy);
104 static EVP_PKEY *surewarehk_load_privkey(ENGINE *e, const char *key_id,
105 UI_METHOD *ui_method, void *callback_data);
106 static EVP_PKEY *surewarehk_load_pubkey(ENGINE *e, const char *key_id,
107 UI_METHOD *ui_method, void *callback_data);
108 static void surewarehk_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
109 int idx,long argl, void *argp);
111 static void surewarehk_dh_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
112 int idx,long argl, void *argp);
115 #ifndef OPENSSL_NO_RSA
116 /* This function is aliased to mod_exp (with the mont stuff dropped). */
117 static int surewarehk_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
118 const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
120 return surewarehk_modexp(r, a, p, m, ctx);
123 /* Our internal RSA_METHOD that we provide pointers to */
124 static RSA_METHOD surewarehk_rsa =
126 "SureWare RSA method",
129 surewarehk_rsa_sign, /* our rsa_sign is OpenSSL priv_enc*/
130 surewarehk_rsa_priv_dec, /* priv_dec*/
132 surewarehk_mod_exp_mont, /*mod_exp_mongomery*/
137 NULL, /* OpenSSL sign*/
138 NULL, /* OpenSSL verify*/
143 #ifndef OPENSSL_NO_DH
144 /* Our internal DH_METHOD that we provide pointers to */
145 /* This function is aliased to mod_exp (with the dh and mont dropped). */
146 static int surewarehk_modexp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a,
147 const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
149 return surewarehk_modexp(r, a, p, m, ctx);
152 static DH_METHOD surewarehk_dh =
154 "SureWare DH method",
157 surewarehk_modexp_dh, /*dh mod exp*/
166 static RAND_METHOD surewarehk_rand =
168 /* "SureWare RAND method", */
169 surewarehk_rand_seed,
170 surewarehk_rand_bytes,
173 surewarehk_rand_bytes,
177 #ifndef OPENSSL_NO_DSA
179 static DSA_SIG * surewarehk_dsa_do_sign(const unsigned char *dgst, int dlen, DSA *dsa);
180 static int surewarehk_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1,
181 BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m,
182 BN_CTX *ctx, BN_MONT_CTX *in_mont)
187 /* let rr = a1 ^ p1 mod m */
188 if (!surewarehk_modexp(rr,a1,p1,m,ctx)) goto end;
189 /* let t = a2 ^ p2 mod m */
190 if (!surewarehk_modexp(&t,a2,p2,m,ctx)) goto end;
191 /* let rr = rr * t mod m */
192 if (!BN_mod_mul(rr,rr,&t,m,ctx)) goto end;
199 static DSA_METHOD surewarehk_dsa =
201 "SureWare DSA method",
202 surewarehk_dsa_do_sign,
205 surewarehk_dsa_mod_exp,/*mod exp*/
216 static const char *engine_sureware_id = "sureware";
217 static const char *engine_sureware_name = "SureWare hardware engine support";
219 /* Now, to our own code */
221 /* As this is only ever called once, there's no need for locking
222 * (indeed - the lock will already be held by our caller!!!) */
223 static int bind_sureware(ENGINE *e)
225 #ifndef OPENSSL_NO_RSA
226 const RSA_METHOD *meth1;
228 #ifndef OPENSSL_NO_DSA
229 const DSA_METHOD *meth2;
231 #ifndef OPENSSL_NO_DH
232 const DH_METHOD *meth3;
235 if(!ENGINE_set_id(e, engine_sureware_id) ||
236 !ENGINE_set_name(e, engine_sureware_name) ||
237 #ifndef OPENSSL_NO_RSA
238 !ENGINE_set_RSA(e, &surewarehk_rsa) ||
240 #ifndef OPENSSL_NO_DSA
241 !ENGINE_set_DSA(e, &surewarehk_dsa) ||
243 #ifndef OPENSSL_NO_DH
244 !ENGINE_set_DH(e, &surewarehk_dh) ||
246 !ENGINE_set_RAND(e, &surewarehk_rand) ||
247 !ENGINE_set_destroy_function(e, surewarehk_destroy) ||
248 !ENGINE_set_init_function(e, surewarehk_init) ||
249 !ENGINE_set_finish_function(e, surewarehk_finish) ||
250 !ENGINE_set_ctrl_function(e, surewarehk_ctrl) ||
251 !ENGINE_set_load_privkey_function(e, surewarehk_load_privkey) ||
252 !ENGINE_set_load_pubkey_function(e, surewarehk_load_pubkey))
255 #ifndef OPENSSL_NO_RSA
256 /* We know that the "PKCS1_SSLeay()" functions hook properly
257 * to the cswift-specific mod_exp and mod_exp_crt so we use
258 * those functions. NB: We don't use ENGINE_openssl() or
259 * anything "more generic" because something like the RSAref
260 * code may not hook properly, and if you own one of these
261 * cards then you have the right to do RSA operations on it
263 meth1 = RSA_PKCS1_SSLeay();
266 surewarehk_rsa.rsa_pub_enc = meth1->rsa_pub_enc;
267 surewarehk_rsa.rsa_pub_dec = meth1->rsa_pub_dec;
271 #ifndef OPENSSL_NO_DSA
272 /* Use the DSA_OpenSSL() method and just hook the mod_exp-ish
274 meth2 = DSA_OpenSSL();
277 surewarehk_dsa.dsa_do_verify = meth2->dsa_do_verify;
281 #ifndef OPENSSL_NO_DH
282 /* Much the same for Diffie-Hellman */
283 meth3 = DH_OpenSSL();
286 surewarehk_dh.generate_key = meth3->generate_key;
287 surewarehk_dh.compute_key = meth3->compute_key;
291 /* Ensure the sureware error handling is set up */
292 ERR_load_SUREWARE_strings();
296 #ifndef OPENSSL_NO_DYNAMIC_ENGINE
297 static int bind_helper(ENGINE *e, const char *id)
299 if(id && (strcmp(id, engine_sureware_id) != 0))
301 if(!bind_sureware(e))
305 IMPLEMENT_DYNAMIC_CHECK_FN()
306 IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
308 static ENGINE *engine_sureware(void)
310 ENGINE *ret = ENGINE_new();
313 if(!bind_sureware(ret))
321 void ENGINE_load_sureware(void)
323 /* Copied from eng_[openssl|dyn].c */
324 ENGINE *toadd = engine_sureware();
332 /* This is a process-global DSO handle used for loading and unloading
333 * the SureWareHook library. NB: This is only set (or unset) during an
334 * init() or finish() call (reference counts permitting) and they're
335 * operating with global locks, so this should be thread-safe
337 static DSO *surewarehk_dso = NULL;
338 #ifndef OPENSSL_NO_RSA
339 static int rsaHndidx = -1; /* Index for KM handle. Not really used yet. */
341 #ifndef OPENSSL_NO_DSA
342 static int dsaHndidx = -1; /* Index for KM handle. Not really used yet. */
345 /* These are the function pointers that are (un)set when the library has
346 * successfully (un)loaded. */
347 static SureWareHook_Init_t *p_surewarehk_Init = NULL;
348 static SureWareHook_Finish_t *p_surewarehk_Finish = NULL;
349 static SureWareHook_Rand_Bytes_t *p_surewarehk_Rand_Bytes = NULL;
350 static SureWareHook_Rand_Seed_t *p_surewarehk_Rand_Seed = NULL;
351 static SureWareHook_Load_Privkey_t *p_surewarehk_Load_Privkey = NULL;
352 static SureWareHook_Info_Pubkey_t *p_surewarehk_Info_Pubkey = NULL;
353 static SureWareHook_Load_Rsa_Pubkey_t *p_surewarehk_Load_Rsa_Pubkey = NULL;
354 static SureWareHook_Load_Dsa_Pubkey_t *p_surewarehk_Load_Dsa_Pubkey = NULL;
355 static SureWareHook_Free_t *p_surewarehk_Free=NULL;
356 static SureWareHook_Rsa_Priv_Dec_t *p_surewarehk_Rsa_Priv_Dec=NULL;
357 static SureWareHook_Rsa_Sign_t *p_surewarehk_Rsa_Sign=NULL;
358 static SureWareHook_Dsa_Sign_t *p_surewarehk_Dsa_Sign=NULL;
359 static SureWareHook_Mod_Exp_t *p_surewarehk_Mod_Exp=NULL;
361 /* Used in the DSO operations. */
362 static const char *surewarehk_LIBNAME = "SureWareHook";
363 static const char *n_surewarehk_Init = "SureWareHook_Init";
364 static const char *n_surewarehk_Finish = "SureWareHook_Finish";
365 static const char *n_surewarehk_Rand_Bytes="SureWareHook_Rand_Bytes";
366 static const char *n_surewarehk_Rand_Seed="SureWareHook_Rand_Seed";
367 static const char *n_surewarehk_Load_Privkey="SureWareHook_Load_Privkey";
368 static const char *n_surewarehk_Info_Pubkey="SureWareHook_Info_Pubkey";
369 static const char *n_surewarehk_Load_Rsa_Pubkey="SureWareHook_Load_Rsa_Pubkey";
370 static const char *n_surewarehk_Load_Dsa_Pubkey="SureWareHook_Load_Dsa_Pubkey";
371 static const char *n_surewarehk_Free="SureWareHook_Free";
372 static const char *n_surewarehk_Rsa_Priv_Dec="SureWareHook_Rsa_Priv_Dec";
373 static const char *n_surewarehk_Rsa_Sign="SureWareHook_Rsa_Sign";
374 static const char *n_surewarehk_Dsa_Sign="SureWareHook_Dsa_Sign";
375 static const char *n_surewarehk_Mod_Exp="SureWareHook_Mod_Exp";
376 static BIO *logstream = NULL;
378 /* SureWareHook library functions and mechanics - these are used by the
379 * higher-level functions further down. NB: As and where there's no
380 * error checking, take a look lower down where these functions are
381 * called, the checking and error handling is probably down there.
383 static int threadsafe=1;
384 static int surewarehk_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void))
390 case ENGINE_CTRL_SET_LOGSTREAM:
393 CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
399 if (CRYPTO_add(&bio->references,1,CRYPTO_LOCK_BIO) > 1)
402 SUREWAREerr(SUREWARE_F_SUREWAREHK_CTRL,SUREWARE_R_BIO_WAS_FREED);
404 CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
406 /* This will prevent the initialisation function from "installing"
407 * the mutex-handling callbacks, even if they are available from
408 * within the library (or were provided to the library from the
409 * calling application). This is to remove any baggage for
410 * applications not using multithreading. */
411 case ENGINE_CTRL_CHIL_NO_LOCKING:
412 CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
414 CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
417 /* The command isn't understood by this engine */
419 SUREWAREerr(SUREWARE_F_SUREWAREHK_CTRL,
420 ENGINE_R_CTRL_COMMAND_NOT_IMPLEMENTED);
428 /* Destructor (complements the "ENGINE_surewarehk()" constructor) */
429 static int surewarehk_destroy(ENGINE *e)
431 ERR_unload_SUREWARE_strings();
435 /* (de)initialisation functions. */
436 static int surewarehk_init(ENGINE *e)
438 char msg[64]="ENGINE_init";
439 SureWareHook_Init_t *p1=NULL;
440 SureWareHook_Finish_t *p2=NULL;
441 SureWareHook_Rand_Bytes_t *p3=NULL;
442 SureWareHook_Rand_Seed_t *p4=NULL;
443 SureWareHook_Load_Privkey_t *p5=NULL;
444 SureWareHook_Load_Rsa_Pubkey_t *p6=NULL;
445 SureWareHook_Free_t *p7=NULL;
446 SureWareHook_Rsa_Priv_Dec_t *p8=NULL;
447 SureWareHook_Rsa_Sign_t *p9=NULL;
448 SureWareHook_Dsa_Sign_t *p12=NULL;
449 SureWareHook_Info_Pubkey_t *p13=NULL;
450 SureWareHook_Load_Dsa_Pubkey_t *p14=NULL;
451 SureWareHook_Mod_Exp_t *p15=NULL;
453 if(surewarehk_dso != NULL)
455 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,ENGINE_R_ALREADY_LOADED);
458 /* Attempt to load libsurewarehk.so/surewarehk.dll/whatever. */
459 surewarehk_dso = DSO_load(NULL, surewarehk_LIBNAME, NULL, 0);
460 if(surewarehk_dso == NULL)
462 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,ENGINE_R_DSO_FAILURE);
465 if(!(p1=(SureWareHook_Init_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Init)) ||
466 !(p2=(SureWareHook_Finish_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Finish)) ||
467 !(p3=(SureWareHook_Rand_Bytes_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Rand_Bytes)) ||
468 !(p4=(SureWareHook_Rand_Seed_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Rand_Seed)) ||
469 !(p5=(SureWareHook_Load_Privkey_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Load_Privkey)) ||
470 !(p6=(SureWareHook_Load_Rsa_Pubkey_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Load_Rsa_Pubkey)) ||
471 !(p7=(SureWareHook_Free_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Free)) ||
472 !(p8=(SureWareHook_Rsa_Priv_Dec_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Rsa_Priv_Dec)) ||
473 !(p9=(SureWareHook_Rsa_Sign_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Rsa_Sign)) ||
474 !(p12=(SureWareHook_Dsa_Sign_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Dsa_Sign)) ||
475 !(p13=(SureWareHook_Info_Pubkey_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Info_Pubkey)) ||
476 !(p14=(SureWareHook_Load_Dsa_Pubkey_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Load_Dsa_Pubkey)) ||
477 !(p15=(SureWareHook_Mod_Exp_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Mod_Exp)))
479 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,ENGINE_R_DSO_FAILURE);
482 /* Copy the pointers */
483 p_surewarehk_Init = p1;
484 p_surewarehk_Finish = p2;
485 p_surewarehk_Rand_Bytes = p3;
486 p_surewarehk_Rand_Seed = p4;
487 p_surewarehk_Load_Privkey = p5;
488 p_surewarehk_Load_Rsa_Pubkey = p6;
489 p_surewarehk_Free = p7;
490 p_surewarehk_Rsa_Priv_Dec = p8;
491 p_surewarehk_Rsa_Sign = p9;
492 p_surewarehk_Dsa_Sign = p12;
493 p_surewarehk_Info_Pubkey = p13;
494 p_surewarehk_Load_Dsa_Pubkey = p14;
495 p_surewarehk_Mod_Exp = p15;
496 /* Contact the hardware and initialises it. */
497 if(p_surewarehk_Init(msg,threadsafe)==SUREWAREHOOK_ERROR_UNIT_FAILURE)
499 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,SUREWARE_R_UNIT_FAILURE);
502 if(p_surewarehk_Init(msg,threadsafe)==SUREWAREHOOK_ERROR_UNIT_FAILURE)
504 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,SUREWARE_R_UNIT_FAILURE);
507 /* try to load the default private key, if failed does not return a failure but
508 wait for an explicit ENGINE_load_privakey */
509 surewarehk_load_privkey(e,NULL,NULL,NULL);
511 /* Everything's fine. */
512 #ifndef OPENSSL_NO_RSA
514 rsaHndidx = RSA_get_ex_new_index(0,
515 "SureWareHook RSA key handle",
516 NULL, NULL, surewarehk_ex_free);
518 #ifndef OPENSSL_NO_DSA
520 dsaHndidx = DSA_get_ex_new_index(0,
521 "SureWareHook DSA key handle",
522 NULL, NULL, surewarehk_ex_free);
528 DSO_free(surewarehk_dso);
529 surewarehk_dso = NULL;
530 p_surewarehk_Init = NULL;
531 p_surewarehk_Finish = NULL;
532 p_surewarehk_Rand_Bytes = NULL;
533 p_surewarehk_Rand_Seed = NULL;
534 p_surewarehk_Load_Privkey = NULL;
535 p_surewarehk_Load_Rsa_Pubkey = NULL;
536 p_surewarehk_Free = NULL;
537 p_surewarehk_Rsa_Priv_Dec = NULL;
538 p_surewarehk_Rsa_Sign = NULL;
539 p_surewarehk_Dsa_Sign = NULL;
540 p_surewarehk_Info_Pubkey = NULL;
541 p_surewarehk_Load_Dsa_Pubkey = NULL;
542 p_surewarehk_Mod_Exp = NULL;
546 static int surewarehk_finish(ENGINE *e)
549 if(surewarehk_dso == NULL)
551 SUREWAREerr(SUREWARE_F_SUREWAREHK_FINISH,ENGINE_R_NOT_LOADED);
555 p_surewarehk_Finish();
556 if(!DSO_free(surewarehk_dso))
558 SUREWAREerr(SUREWARE_F_SUREWAREHK_FINISH,ENGINE_R_DSO_FAILURE);
565 surewarehk_dso = NULL;
566 p_surewarehk_Init = NULL;
567 p_surewarehk_Finish = NULL;
568 p_surewarehk_Rand_Bytes = NULL;
569 p_surewarehk_Rand_Seed = NULL;
570 p_surewarehk_Load_Privkey = NULL;
571 p_surewarehk_Load_Rsa_Pubkey = NULL;
572 p_surewarehk_Free = NULL;
573 p_surewarehk_Rsa_Priv_Dec = NULL;
574 p_surewarehk_Rsa_Sign = NULL;
575 p_surewarehk_Dsa_Sign = NULL;
576 p_surewarehk_Info_Pubkey = NULL;
577 p_surewarehk_Load_Dsa_Pubkey = NULL;
578 p_surewarehk_Mod_Exp = NULL;
582 static void surewarehk_error_handling(char *const msg,int func,int ret)
586 case SUREWAREHOOK_ERROR_UNIT_FAILURE:
587 ENGINEerr(func,SUREWARE_R_UNIT_FAILURE);
589 case SUREWAREHOOK_ERROR_FALLBACK:
590 ENGINEerr(func,SUREWARE_R_REQUEST_FALLBACK);
592 case SUREWAREHOOK_ERROR_DATA_SIZE:
593 ENGINEerr(func,SUREWARE_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
595 case SUREWAREHOOK_ERROR_INVALID_PAD:
596 ENGINEerr(func,SUREWARE_R_PADDING_CHECK_FAILED);
599 ENGINEerr(func,SUREWARE_R_REQUEST_FAILED);
606 ERR_add_error_data(1,msg);
609 CRYPTO_w_lock(CRYPTO_LOCK_BIO);
610 BIO_write(logstream, msg, strlen(msg));
611 CRYPTO_w_unlock(CRYPTO_LOCK_BIO);
616 static int surewarehk_rand_bytes(unsigned char *buf, int num)
619 char msg[64]="ENGINE_rand_bytes";
620 if(!p_surewarehk_Rand_Bytes)
622 SUREWAREerr(SUREWARE_F_SUREWAREHK_RAND_BYTES,ENGINE_R_NOT_INITIALISED);
626 ret = p_surewarehk_Rand_Bytes(msg,buf, num);
627 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RAND_BYTES,ret);
629 return ret==1 ? 1 : 0;
632 static void surewarehk_rand_seed(const void *buf, int num)
635 char msg[64]="ENGINE_rand_seed";
636 if(!p_surewarehk_Rand_Seed)
638 SUREWAREerr(SUREWARE_F_SUREWAREHK_RAND_SEED,ENGINE_R_NOT_INITIALISED);
642 ret = p_surewarehk_Rand_Seed(msg,buf, num);
643 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RAND_SEED,ret);
647 static void surewarehk_rand_add(const void *buf, int num, double entropy)
649 surewarehk_rand_seed(buf,num);
652 static EVP_PKEY* sureware_load_public(ENGINE *e,const char *key_id,char *hptr,unsigned long el,char keytype)
654 EVP_PKEY *res = NULL;
655 #ifndef OPENSSL_NO_RSA
658 #ifndef OPENSSL_NO_DSA
661 char msg[64]="sureware_load_public";
663 if(!p_surewarehk_Load_Rsa_Pubkey || !p_surewarehk_Load_Dsa_Pubkey)
665 SUREWAREerr(SUREWARE_F_SUREWARE_LOAD_PUBLIC,ENGINE_R_NOT_INITIALISED);
670 #ifndef OPENSSL_NO_RSA
672 /* set private external reference */
673 rsatmp = RSA_new_method(e);
674 RSA_set_ex_data(rsatmp,rsaHndidx,hptr);
675 rsatmp->flags |= RSA_FLAG_EXT_PKEY;
677 /* set public big nums*/
678 rsatmp->e = BN_new();
679 rsatmp->n = BN_new();
680 bn_expand2(rsatmp->e, el/sizeof(BN_ULONG));
681 bn_expand2(rsatmp->n, el/sizeof(BN_ULONG));
682 if (!rsatmp->e || rsatmp->e->dmax!=(int)(el/sizeof(BN_ULONG))||
683 !rsatmp->n || rsatmp->n->dmax!=(int)(el/sizeof(BN_ULONG)))
685 ret=p_surewarehk_Load_Rsa_Pubkey(msg,key_id,el,
686 (unsigned long *)rsatmp->n->d,
687 (unsigned long *)rsatmp->e->d);
688 surewarehk_error_handling(msg,SUREWARE_F_SUREWARE_LOAD_PUBLIC,ret);
691 SUREWAREerr(SUREWARE_F_SUREWARE_LOAD_PUBLIC,ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
694 /* normalise pub e and pub n */
695 rsatmp->e->top=el/sizeof(BN_ULONG);
696 bn_fix_top(rsatmp->e);
697 rsatmp->n->top=el/sizeof(BN_ULONG);
698 bn_fix_top(rsatmp->n);
699 /* create an EVP object: engine + rsa key */
700 res = EVP_PKEY_new();
701 EVP_PKEY_assign_RSA(res, rsatmp);
705 #ifndef OPENSSL_NO_DSA
707 /* set private/public external reference */
708 dsatmp = DSA_new_method(e);
709 DSA_set_ex_data(dsatmp,dsaHndidx,hptr);
710 /*dsatmp->flags |= DSA_FLAG_EXT_PKEY;*/
713 dsatmp->pub_key = BN_new();
714 dsatmp->p = BN_new();
715 dsatmp->q = BN_new();
716 dsatmp->g = BN_new();
717 bn_expand2(dsatmp->pub_key, el/sizeof(BN_ULONG));
718 bn_expand2(dsatmp->p, el/sizeof(BN_ULONG));
719 bn_expand2(dsatmp->q, 20/sizeof(BN_ULONG));
720 bn_expand2(dsatmp->g, el/sizeof(BN_ULONG));
721 if (!dsatmp->pub_key || dsatmp->pub_key->dmax!=(int)(el/sizeof(BN_ULONG))||
722 !dsatmp->p || dsatmp->p->dmax!=(int)(el/sizeof(BN_ULONG)) ||
723 !dsatmp->q || dsatmp->q->dmax!=20/sizeof(BN_ULONG) ||
724 !dsatmp->g || dsatmp->g->dmax!=(int)(el/sizeof(BN_ULONG)))
727 ret=p_surewarehk_Load_Dsa_Pubkey(msg,key_id,el,
728 (unsigned long *)dsatmp->pub_key->d,
729 (unsigned long *)dsatmp->p->d,
730 (unsigned long *)dsatmp->q->d,
731 (unsigned long *)dsatmp->g->d);
732 surewarehk_error_handling(msg,SUREWARE_F_SUREWARE_LOAD_PUBLIC,ret);
735 SUREWAREerr(SUREWARE_F_SUREWARE_LOAD_PUBLIC,ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
739 /* normalise pubkey and parameters in case of */
740 dsatmp->pub_key->top=el/sizeof(BN_ULONG);
741 bn_fix_top(dsatmp->pub_key);
742 dsatmp->p->top=el/sizeof(BN_ULONG);
743 bn_fix_top(dsatmp->p);
744 dsatmp->q->top=20/sizeof(BN_ULONG);
745 bn_fix_top(dsatmp->q);
746 dsatmp->g->top=el/sizeof(BN_ULONG);
747 bn_fix_top(dsatmp->g);
749 /* create an EVP object: engine + rsa key */
750 res = EVP_PKEY_new();
751 EVP_PKEY_assign_DSA(res, dsatmp);
756 SUREWAREerr(SUREWARE_F_SUREWARE_LOAD_PUBLIC,ENGINE_R_FAILED_LOADING_PRIVATE_KEY);
761 #ifndef OPENSSL_NO_RSA
765 #ifndef OPENSSL_NO_DSA
772 static EVP_PKEY *surewarehk_load_privkey(ENGINE *e, const char *key_id,
773 UI_METHOD *ui_method, void *callback_data)
775 EVP_PKEY *res = NULL;
780 char msg[64]="ENGINE_load_privkey";
782 if(!p_surewarehk_Load_Privkey)
784 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVKEY,ENGINE_R_NOT_INITIALISED);
788 ret=p_surewarehk_Load_Privkey(msg,key_id,&hptr,&el,&keytype);
791 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVKEY,ENGINE_R_FAILED_LOADING_PRIVATE_KEY);
792 ERR_add_error_data(1,msg);
795 res=sureware_load_public(e,key_id,hptr,el,keytype);
800 static EVP_PKEY *surewarehk_load_pubkey(ENGINE *e, const char *key_id,
801 UI_METHOD *ui_method, void *callback_data)
803 EVP_PKEY *res = NULL;
808 char msg[64]="ENGINE_load_pubkey";
810 if(!p_surewarehk_Info_Pubkey)
812 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PUBKEY,ENGINE_R_NOT_INITIALISED);
816 /* call once to identify if DSA or RSA */
817 ret=p_surewarehk_Info_Pubkey(msg,key_id,&el,&keytype);
820 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PUBKEY,ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
821 ERR_add_error_data(1,msg);
824 res=sureware_load_public(e,key_id,hptr,el,keytype);
829 /* This cleans up an RSA/DSA KM key(do not destroy the key into the hardware)
830 , called when ex_data is freed */
831 static void surewarehk_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
832 int idx,long argl, void *argp)
834 if(!p_surewarehk_Free)
836 SUREWAREerr(SUREWARE_F_SUREWAREHK_EX_FREE,ENGINE_R_NOT_INITIALISED);
839 p_surewarehk_Free((char *)item,0);
843 /* not currently used (bug?) */
844 /* This cleans up an DH KM key (destroys the key into hardware),
845 called when ex_data is freed */
846 static void surewarehk_dh_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
847 int idx,long argl, void *argp)
849 if(!p_surewarehk_Free)
851 SUREWAREerr(SUREWARE_F_SUREWAREHK_DH_EX_FREE,ENGINE_R_NOT_INITIALISED);
854 p_surewarehk_Free((char *)item,1);
859 * return number of decrypted bytes
861 #ifndef OPENSSL_NO_RSA
862 static int surewarehk_rsa_priv_dec(int flen,const unsigned char *from,unsigned char *to,
863 RSA *rsa,int padding)
866 char *buf=NULL,*hptr=NULL;
867 char msg[64]="ENGINE_rsa_priv_dec";
868 if (!p_surewarehk_Rsa_Priv_Dec)
870 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ENGINE_R_NOT_INITIALISED);
872 /* extract ref to private key */
873 else if (!(hptr=RSA_get_ex_data(rsa, rsaHndidx)))
875 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,SUREWARE_R_MISSING_KEY_COMPONENTS);
878 /* analyse what padding we can do into the hardware */
879 if (padding==RSA_PKCS1_PADDING)
882 ret=p_surewarehk_Rsa_Priv_Dec(msg,flen,(unsigned char *)from,&tlen,to,hptr,SUREWARE_PKCS1_PAD);
883 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ret);
888 else /* do with no padding into hardware */
890 ret=p_surewarehk_Rsa_Priv_Dec(msg,flen,(unsigned char *)from,&tlen,to,hptr,SUREWARE_NO_PAD);
891 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ret);
894 /* intermediate buffer for padding */
895 if ((buf=OPENSSL_malloc(tlen)) == NULL)
897 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ERR_R_MALLOC_FAILURE);
900 memcpy(buf,to,tlen);/* transfert to into buf */
901 switch (padding) /* check padding in software */
903 #ifndef OPENSSL_NO_SHA
904 case RSA_PKCS1_OAEP_PADDING:
905 ret=RSA_padding_check_PKCS1_OAEP(to,tlen,(unsigned char *)buf,tlen,tlen,NULL,0);
908 case RSA_SSLV23_PADDING:
909 ret=RSA_padding_check_SSLv23(to,tlen,(unsigned char *)buf,flen,tlen);
912 ret=RSA_padding_check_none(to,tlen,(unsigned char *)buf,flen,tlen);
915 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,SUREWARE_R_UNKNOWN_PADDING_TYPE);
919 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,SUREWARE_R_PADDING_CHECK_FAILED);
924 OPENSSL_cleanse(buf,tlen);
931 * Does what OpenSSL rsa_priv_enc does.
933 static int surewarehk_rsa_sign(int flen,const unsigned char *from,unsigned char *to,
934 RSA *rsa,int padding)
938 char msg[64]="ENGINE_rsa_sign";
939 if (!p_surewarehk_Rsa_Sign)
941 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_SIGN,ENGINE_R_NOT_INITIALISED);
943 /* extract ref to private key */
944 else if (!(hptr=RSA_get_ex_data(rsa, rsaHndidx)))
946 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_SIGN,SUREWARE_R_MISSING_KEY_COMPONENTS);
952 case RSA_PKCS1_PADDING: /* do it in one shot */
953 ret=p_surewarehk_Rsa_Sign(msg,flen,(unsigned char *)from,&tlen,to,hptr,SUREWARE_PKCS1_PAD);
954 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RSA_SIGN,ret);
958 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_SIGN,SUREWARE_R_UNKNOWN_PADDING_TYPE);
961 return ret==1 ? tlen : ret;
966 #ifndef OPENSSL_NO_DSA
967 /* DSA sign and verify */
968 static DSA_SIG * surewarehk_dsa_do_sign(const unsigned char *from, int flen, DSA *dsa)
973 char msg[64]="ENGINE_dsa_do_sign";
974 if (!p_surewarehk_Dsa_Sign)
976 SUREWAREerr(SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,ENGINE_R_NOT_INITIALISED);
979 /* extract ref to private key */
980 else if (!(hptr=DSA_get_ex_data(dsa, dsaHndidx)))
982 SUREWAREerr(SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,SUREWARE_R_MISSING_KEY_COMPONENTS);
987 if((psign = DSA_SIG_new()) == NULL)
989 SUREWAREerr(SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,ERR_R_MALLOC_FAILURE);
994 bn_expand2(psign->r, 20/sizeof(BN_ULONG));
995 bn_expand2(psign->s, 20/sizeof(BN_ULONG));
996 if (!psign->r || psign->r->dmax!=20/sizeof(BN_ULONG) ||
997 !psign->s || psign->s->dmax!=20/sizeof(BN_ULONG))
999 ret=p_surewarehk_Dsa_Sign(msg,flen,from,
1000 (unsigned long *)psign->r->d,
1001 (unsigned long *)psign->s->d,
1003 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,ret);
1005 psign->r->top=20/sizeof(BN_ULONG);
1006 bn_fix_top(psign->r);
1007 psign->s->top=20/sizeof(BN_ULONG);
1008 bn_fix_top(psign->s);
1013 DSA_SIG_free(psign);
1020 static int surewarehk_modexp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
1021 const BIGNUM *m, BN_CTX *ctx)
1024 char msg[64]="ENGINE_modexp";
1025 if (!p_surewarehk_Mod_Exp)
1027 SUREWAREerr(SUREWARE_F_SUREWAREHK_MODEXP,ENGINE_R_NOT_INITIALISED);
1031 bn_expand2(r,m->top);
1032 if (r && r->dmax==m->top)
1035 ret=p_surewarehk_Mod_Exp(msg,
1036 m->top*sizeof(BN_ULONG),
1037 (unsigned long *)m->d,
1038 p->top*sizeof(BN_ULONG),
1039 (unsigned long *)p->d,
1040 a->top*sizeof(BN_ULONG),
1041 (unsigned long *)a->d,
1042 (unsigned long *)r->d);
1043 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_MODEXP,ret);
1046 /* normalise result */
1054 #endif /* !OPENSSL_NO_HW_SureWare */
1055 #endif /* !OPENSSL_NO_HW */