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
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, void (*f)(void));
85 static int surewarehk_destroy(ENGINE *e);
86 static int surewarehk_init(ENGINE *e);
87 static int surewarehk_finish(ENGINE *e);
88 static int surewarehk_modexp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
89 const BIGNUM *m, BN_CTX *ctx);
92 #ifndef OPENSSL_NO_RSA
93 static int surewarehk_rsa_priv_dec(int flen,const unsigned char *from,unsigned char *to,
94 RSA *rsa,int padding);
95 static int surewarehk_rsa_sign(int flen,const unsigned char *from,unsigned char *to,
96 RSA *rsa,int padding);
100 static int surewarehk_rand_bytes(unsigned char *buf, int num);
101 static int surewarehk_rand_seed(const void *buf, int num);
102 static int surewarehk_rand_add(const void *buf, int num, double entropy);
105 static EVP_PKEY *surewarehk_load_privkey(ENGINE *e, const char *key_id,
106 UI_METHOD *ui_method, void *callback_data);
107 static EVP_PKEY *surewarehk_load_pubkey(ENGINE *e, const char *key_id,
108 UI_METHOD *ui_method, void *callback_data);
109 static void surewarehk_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
110 int idx,long argl, void *argp);
112 static void surewarehk_dh_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
113 int idx,long argl, void *argp);
116 #ifndef OPENSSL_NO_RSA
117 /* This function is aliased to mod_exp (with the mont stuff dropped). */
118 static int surewarehk_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
119 const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
121 return surewarehk_modexp(r, a, p, m, ctx);
124 /* Our internal RSA_METHOD that we provide pointers to */
125 static RSA_METHOD surewarehk_rsa =
127 "SureWare RSA method",
130 surewarehk_rsa_sign, /* our rsa_sign is OpenSSL priv_enc*/
131 surewarehk_rsa_priv_dec, /* priv_dec*/
133 surewarehk_mod_exp_mont, /*mod_exp_mongomery*/
138 NULL, /* OpenSSL sign*/
139 NULL, /* OpenSSL verify*/
144 #ifndef OPENSSL_NO_DH
145 /* Our internal DH_METHOD that we provide pointers to */
146 /* This function is aliased to mod_exp (with the dh and mont dropped). */
147 static int surewarehk_modexp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a,
148 const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
150 return surewarehk_modexp(r, a, p, m, ctx);
153 static DH_METHOD surewarehk_dh =
155 "SureWare DH method",
158 surewarehk_modexp_dh, /*dh mod exp*/
167 static RAND_METHOD surewarehk_rand =
169 /* "SureWare RAND method", */
170 surewarehk_rand_seed,
171 surewarehk_rand_bytes,
174 surewarehk_rand_bytes,
178 #ifndef OPENSSL_NO_DSA
180 static DSA_SIG * surewarehk_dsa_do_sign(const unsigned char *dgst, int dlen, DSA *dsa);
181 static int surewarehk_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1,
182 BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m,
183 BN_CTX *ctx, BN_MONT_CTX *in_mont)
188 /* let rr = a1 ^ p1 mod m */
189 if (!surewarehk_modexp(rr,a1,p1,m,ctx)) goto end;
190 /* let t = a2 ^ p2 mod m */
191 if (!surewarehk_modexp(&t,a2,p2,m,ctx)) goto end;
192 /* let rr = rr * t mod m */
193 if (!BN_mod_mul(rr,rr,&t,m,ctx)) goto end;
200 static DSA_METHOD surewarehk_dsa =
202 "SureWare DSA method",
203 surewarehk_dsa_do_sign,
206 surewarehk_dsa_mod_exp,/*mod exp*/
217 static const char *engine_sureware_id = "sureware";
218 static const char *engine_sureware_name = "SureWare hardware engine support";
220 /* Now, to our own code */
222 /* As this is only ever called once, there's no need for locking
223 * (indeed - the lock will already be held by our caller!!!) */
224 static int bind_sureware(ENGINE *e)
226 #ifndef OPENSSL_NO_RSA
227 const RSA_METHOD *meth1;
229 #ifndef OPENSSL_NO_DSA
230 const DSA_METHOD *meth2;
232 #ifndef OPENSSL_NO_DH
233 const DH_METHOD *meth3;
236 if(!ENGINE_set_id(e, engine_sureware_id) ||
237 !ENGINE_set_name(e, engine_sureware_name) ||
238 #ifndef OPENSSL_NO_RSA
239 !ENGINE_set_RSA(e, &surewarehk_rsa) ||
241 #ifndef OPENSSL_NO_DSA
242 !ENGINE_set_DSA(e, &surewarehk_dsa) ||
244 #ifndef OPENSSL_NO_DH
245 !ENGINE_set_DH(e, &surewarehk_dh) ||
247 !ENGINE_set_RAND(e, &surewarehk_rand) ||
248 !ENGINE_set_destroy_function(e, surewarehk_destroy) ||
249 !ENGINE_set_init_function(e, surewarehk_init) ||
250 !ENGINE_set_finish_function(e, surewarehk_finish) ||
251 !ENGINE_set_ctrl_function(e, surewarehk_ctrl) ||
252 !ENGINE_set_load_privkey_function(e, surewarehk_load_privkey) ||
253 !ENGINE_set_load_pubkey_function(e, surewarehk_load_pubkey))
256 #ifndef OPENSSL_NO_RSA
257 /* We know that the "PKCS1_SSLeay()" functions hook properly
258 * to the cswift-specific mod_exp and mod_exp_crt so we use
259 * those functions. NB: We don't use ENGINE_openssl() or
260 * anything "more generic" because something like the RSAref
261 * code may not hook properly, and if you own one of these
262 * cards then you have the right to do RSA operations on it
264 meth1 = RSA_PKCS1_SSLeay();
267 surewarehk_rsa.rsa_pub_enc = meth1->rsa_pub_enc;
268 surewarehk_rsa.rsa_pub_dec = meth1->rsa_pub_dec;
272 #ifndef OPENSSL_NO_DSA
273 /* Use the DSA_OpenSSL() method and just hook the mod_exp-ish
275 meth2 = DSA_OpenSSL();
278 surewarehk_dsa.dsa_do_verify = meth2->dsa_do_verify;
282 #ifndef OPENSSL_NO_DH
283 /* Much the same for Diffie-Hellman */
284 meth3 = DH_OpenSSL();
287 surewarehk_dh.generate_key = meth3->generate_key;
288 surewarehk_dh.compute_key = meth3->compute_key;
292 /* Ensure the sureware error handling is set up */
293 ERR_load_SUREWARE_strings();
297 #ifndef OPENSSL_NO_DYNAMIC_ENGINE
298 static int bind_helper(ENGINE *e, const char *id)
300 if(id && (strcmp(id, engine_sureware_id) != 0))
302 if(!bind_sureware(e))
306 IMPLEMENT_DYNAMIC_CHECK_FN()
307 IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
309 static ENGINE *engine_sureware(void)
311 ENGINE *ret = ENGINE_new();
314 if(!bind_sureware(ret))
322 void ENGINE_load_sureware(void)
324 /* Copied from eng_[openssl|dyn].c */
325 ENGINE *toadd = engine_sureware();
333 /* This is a process-global DSO handle used for loading and unloading
334 * the SureWareHook library. NB: This is only set (or unset) during an
335 * init() or finish() call (reference counts permitting) and they're
336 * operating with global locks, so this should be thread-safe
338 static DSO *surewarehk_dso = NULL;
339 #ifndef OPENSSL_NO_RSA
340 static int rsaHndidx = -1; /* Index for KM handle. Not really used yet. */
342 #ifndef OPENSSL_NO_DSA
343 static int dsaHndidx = -1; /* Index for KM handle. Not really used yet. */
346 /* These are the function pointers that are (un)set when the library has
347 * successfully (un)loaded. */
348 static SureWareHook_Init_t *p_surewarehk_Init = NULL;
349 static SureWareHook_Finish_t *p_surewarehk_Finish = NULL;
350 static SureWareHook_Rand_Bytes_t *p_surewarehk_Rand_Bytes = NULL;
351 static SureWareHook_Rand_Seed_t *p_surewarehk_Rand_Seed = NULL;
352 static SureWareHook_Load_Privkey_t *p_surewarehk_Load_Privkey = NULL;
353 static SureWareHook_Info_Pubkey_t *p_surewarehk_Info_Pubkey = NULL;
354 static SureWareHook_Load_Rsa_Pubkey_t *p_surewarehk_Load_Rsa_Pubkey = NULL;
355 static SureWareHook_Load_Dsa_Pubkey_t *p_surewarehk_Load_Dsa_Pubkey = NULL;
356 static SureWareHook_Free_t *p_surewarehk_Free=NULL;
357 static SureWareHook_Rsa_Priv_Dec_t *p_surewarehk_Rsa_Priv_Dec=NULL;
358 static SureWareHook_Rsa_Sign_t *p_surewarehk_Rsa_Sign=NULL;
359 static SureWareHook_Dsa_Sign_t *p_surewarehk_Dsa_Sign=NULL;
360 static SureWareHook_Mod_Exp_t *p_surewarehk_Mod_Exp=NULL;
362 /* Used in the DSO operations. */
363 static const char *surewarehk_LIBNAME = "SureWareHook";
364 static const char *n_surewarehk_Init = "SureWareHook_Init";
365 static const char *n_surewarehk_Finish = "SureWareHook_Finish";
366 static const char *n_surewarehk_Rand_Bytes="SureWareHook_Rand_Bytes";
367 static const char *n_surewarehk_Rand_Seed="SureWareHook_Rand_Seed";
368 static const char *n_surewarehk_Load_Privkey="SureWareHook_Load_Privkey";
369 static const char *n_surewarehk_Info_Pubkey="SureWareHook_Info_Pubkey";
370 static const char *n_surewarehk_Load_Rsa_Pubkey="SureWareHook_Load_Rsa_Pubkey";
371 static const char *n_surewarehk_Load_Dsa_Pubkey="SureWareHook_Load_Dsa_Pubkey";
372 static const char *n_surewarehk_Free="SureWareHook_Free";
373 static const char *n_surewarehk_Rsa_Priv_Dec="SureWareHook_Rsa_Priv_Dec";
374 static const char *n_surewarehk_Rsa_Sign="SureWareHook_Rsa_Sign";
375 static const char *n_surewarehk_Dsa_Sign="SureWareHook_Dsa_Sign";
376 static const char *n_surewarehk_Mod_Exp="SureWareHook_Mod_Exp";
377 static BIO *logstream = NULL;
379 /* SureWareHook library functions and mechanics - these are used by the
380 * higher-level functions further down. NB: As and where there's no
381 * error checking, take a look lower down where these functions are
382 * called, the checking and error handling is probably down there.
384 static int threadsafe=1;
385 static int surewarehk_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void))
391 case ENGINE_CTRL_SET_LOGSTREAM:
394 CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
400 if (CRYPTO_add(&bio->references,1,CRYPTO_LOCK_BIO) > 1)
403 SUREWAREerr(SUREWARE_F_SUREWAREHK_CTRL,SUREWARE_R_BIO_WAS_FREED);
405 CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
407 /* This will prevent the initialisation function from "installing"
408 * the mutex-handling callbacks, even if they are available from
409 * within the library (or were provided to the library from the
410 * calling application). This is to remove any baggage for
411 * applications not using multithreading. */
412 case ENGINE_CTRL_CHIL_NO_LOCKING:
413 CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
415 CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
418 /* The command isn't understood by this engine */
420 SUREWAREerr(SUREWARE_F_SUREWAREHK_CTRL,
421 ENGINE_R_CTRL_COMMAND_NOT_IMPLEMENTED);
429 /* Destructor (complements the "ENGINE_surewarehk()" constructor) */
430 static int surewarehk_destroy(ENGINE *e)
432 ERR_unload_SUREWARE_strings();
436 /* (de)initialisation functions. */
437 static int surewarehk_init(ENGINE *e)
439 char msg[64]="ENGINE_init";
440 SureWareHook_Init_t *p1=NULL;
441 SureWareHook_Finish_t *p2=NULL;
442 SureWareHook_Rand_Bytes_t *p3=NULL;
443 SureWareHook_Rand_Seed_t *p4=NULL;
444 SureWareHook_Load_Privkey_t *p5=NULL;
445 SureWareHook_Load_Rsa_Pubkey_t *p6=NULL;
446 SureWareHook_Free_t *p7=NULL;
447 SureWareHook_Rsa_Priv_Dec_t *p8=NULL;
448 SureWareHook_Rsa_Sign_t *p9=NULL;
449 SureWareHook_Dsa_Sign_t *p12=NULL;
450 SureWareHook_Info_Pubkey_t *p13=NULL;
451 SureWareHook_Load_Dsa_Pubkey_t *p14=NULL;
452 SureWareHook_Mod_Exp_t *p15=NULL;
454 if(surewarehk_dso != NULL)
456 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,ENGINE_R_ALREADY_LOADED);
459 /* Attempt to load libsurewarehk.so/surewarehk.dll/whatever. */
460 surewarehk_dso = DSO_load(NULL, surewarehk_LIBNAME, NULL, 0);
461 if(surewarehk_dso == NULL)
463 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,ENGINE_R_DSO_FAILURE);
466 if(!(p1=(SureWareHook_Init_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Init)) ||
467 !(p2=(SureWareHook_Finish_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Finish)) ||
468 !(p3=(SureWareHook_Rand_Bytes_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Rand_Bytes)) ||
469 !(p4=(SureWareHook_Rand_Seed_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Rand_Seed)) ||
470 !(p5=(SureWareHook_Load_Privkey_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Load_Privkey)) ||
471 !(p6=(SureWareHook_Load_Rsa_Pubkey_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Load_Rsa_Pubkey)) ||
472 !(p7=(SureWareHook_Free_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Free)) ||
473 !(p8=(SureWareHook_Rsa_Priv_Dec_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Rsa_Priv_Dec)) ||
474 !(p9=(SureWareHook_Rsa_Sign_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Rsa_Sign)) ||
475 !(p12=(SureWareHook_Dsa_Sign_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Dsa_Sign)) ||
476 !(p13=(SureWareHook_Info_Pubkey_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Info_Pubkey)) ||
477 !(p14=(SureWareHook_Load_Dsa_Pubkey_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Load_Dsa_Pubkey)) ||
478 !(p15=(SureWareHook_Mod_Exp_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Mod_Exp)))
480 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,ENGINE_R_DSO_FAILURE);
483 /* Copy the pointers */
484 p_surewarehk_Init = p1;
485 p_surewarehk_Finish = p2;
486 p_surewarehk_Rand_Bytes = p3;
487 p_surewarehk_Rand_Seed = p4;
488 p_surewarehk_Load_Privkey = p5;
489 p_surewarehk_Load_Rsa_Pubkey = p6;
490 p_surewarehk_Free = p7;
491 p_surewarehk_Rsa_Priv_Dec = p8;
492 p_surewarehk_Rsa_Sign = p9;
493 p_surewarehk_Dsa_Sign = p12;
494 p_surewarehk_Info_Pubkey = p13;
495 p_surewarehk_Load_Dsa_Pubkey = p14;
496 p_surewarehk_Mod_Exp = p15;
497 /* Contact the hardware and initialises it. */
498 if(p_surewarehk_Init(msg,threadsafe)==SUREWAREHOOK_ERROR_UNIT_FAILURE)
500 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,SUREWARE_R_UNIT_FAILURE);
503 if(p_surewarehk_Init(msg,threadsafe)==SUREWAREHOOK_ERROR_UNIT_FAILURE)
505 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,SUREWARE_R_UNIT_FAILURE);
508 /* try to load the default private key, if failed does not return a failure but
509 wait for an explicit ENGINE_load_privakey */
510 surewarehk_load_privkey(e,NULL,NULL,NULL);
512 /* Everything's fine. */
513 #ifndef OPENSSL_NO_RSA
515 rsaHndidx = RSA_get_ex_new_index(0,
516 "SureWareHook RSA key handle",
517 NULL, NULL, surewarehk_ex_free);
519 #ifndef OPENSSL_NO_DSA
521 dsaHndidx = DSA_get_ex_new_index(0,
522 "SureWareHook DSA key handle",
523 NULL, NULL, surewarehk_ex_free);
529 DSO_free(surewarehk_dso);
530 surewarehk_dso = NULL;
531 p_surewarehk_Init = NULL;
532 p_surewarehk_Finish = NULL;
533 p_surewarehk_Rand_Bytes = NULL;
534 p_surewarehk_Rand_Seed = NULL;
535 p_surewarehk_Load_Privkey = NULL;
536 p_surewarehk_Load_Rsa_Pubkey = NULL;
537 p_surewarehk_Free = NULL;
538 p_surewarehk_Rsa_Priv_Dec = NULL;
539 p_surewarehk_Rsa_Sign = NULL;
540 p_surewarehk_Dsa_Sign = NULL;
541 p_surewarehk_Info_Pubkey = NULL;
542 p_surewarehk_Load_Dsa_Pubkey = NULL;
543 p_surewarehk_Mod_Exp = NULL;
547 static int surewarehk_finish(ENGINE *e)
550 if(surewarehk_dso == NULL)
552 SUREWAREerr(SUREWARE_F_SUREWAREHK_FINISH,ENGINE_R_NOT_LOADED);
556 p_surewarehk_Finish();
557 if(!DSO_free(surewarehk_dso))
559 SUREWAREerr(SUREWARE_F_SUREWAREHK_FINISH,ENGINE_R_DSO_FAILURE);
566 surewarehk_dso = NULL;
567 p_surewarehk_Init = NULL;
568 p_surewarehk_Finish = NULL;
569 p_surewarehk_Rand_Bytes = NULL;
570 p_surewarehk_Rand_Seed = NULL;
571 p_surewarehk_Load_Privkey = NULL;
572 p_surewarehk_Load_Rsa_Pubkey = NULL;
573 p_surewarehk_Free = NULL;
574 p_surewarehk_Rsa_Priv_Dec = NULL;
575 p_surewarehk_Rsa_Sign = NULL;
576 p_surewarehk_Dsa_Sign = NULL;
577 p_surewarehk_Info_Pubkey = NULL;
578 p_surewarehk_Load_Dsa_Pubkey = NULL;
579 p_surewarehk_Mod_Exp = NULL;
583 static void surewarehk_error_handling(char *const msg,int func,int ret)
587 case SUREWAREHOOK_ERROR_UNIT_FAILURE:
588 ENGINEerr(func,SUREWARE_R_UNIT_FAILURE);
590 case SUREWAREHOOK_ERROR_FALLBACK:
591 ENGINEerr(func,SUREWARE_R_REQUEST_FALLBACK);
593 case SUREWAREHOOK_ERROR_DATA_SIZE:
594 ENGINEerr(func,SUREWARE_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
596 case SUREWAREHOOK_ERROR_INVALID_PAD:
597 ENGINEerr(func,SUREWARE_R_PADDING_CHECK_FAILED);
600 ENGINEerr(func,SUREWARE_R_REQUEST_FAILED);
607 ERR_add_error_data(1,msg);
610 CRYPTO_w_lock(CRYPTO_LOCK_BIO);
611 BIO_write(logstream, msg, strlen(msg));
612 CRYPTO_w_unlock(CRYPTO_LOCK_BIO);
617 static int surewarehk_rand_bytes(unsigned char *buf, int num)
620 char msg[64]="ENGINE_rand_bytes";
621 if(!p_surewarehk_Rand_Bytes)
623 SUREWAREerr(SUREWARE_F_SUREWAREHK_RAND_BYTES,ENGINE_R_NOT_INITIALISED);
627 ret = p_surewarehk_Rand_Bytes(msg,buf, num);
628 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RAND_BYTES,ret);
630 return ret==1 ? 1 : 0;
633 static int surewarehk_rand_seed(const void *buf, int num)
636 char msg[64]="ENGINE_rand_seed";
637 if(!p_surewarehk_Rand_Seed)
639 SUREWAREerr(SUREWARE_F_SUREWAREHK_RAND_SEED,ENGINE_R_NOT_INITIALISED);
644 ret = p_surewarehk_Rand_Seed(msg,buf, num);
645 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RAND_SEED,ret);
653 static int surewarehk_rand_add(const void *buf, int num, double entropy)
655 return surewarehk_rand_seed(buf,num);
658 static EVP_PKEY* sureware_load_public(ENGINE *e,const char *key_id,char *hptr,unsigned long el,char keytype)
660 EVP_PKEY *res = NULL;
661 #ifndef OPENSSL_NO_RSA
664 #ifndef OPENSSL_NO_DSA
667 char msg[64]="sureware_load_public";
669 if(!p_surewarehk_Load_Rsa_Pubkey || !p_surewarehk_Load_Dsa_Pubkey)
671 SUREWAREerr(SUREWARE_F_SUREWARE_LOAD_PUBLIC,ENGINE_R_NOT_INITIALISED);
676 #ifndef OPENSSL_NO_RSA
678 /* set private external reference */
679 rsatmp = RSA_new_method(e);
680 RSA_set_ex_data(rsatmp,rsaHndidx,hptr);
681 rsatmp->flags |= RSA_FLAG_EXT_PKEY;
683 /* set public big nums*/
684 rsatmp->e = BN_new();
685 rsatmp->n = BN_new();
686 bn_expand2(rsatmp->e, el/sizeof(BN_ULONG));
687 bn_expand2(rsatmp->n, el/sizeof(BN_ULONG));
688 if (!rsatmp->e || rsatmp->e->dmax!=(int)(el/sizeof(BN_ULONG))||
689 !rsatmp->n || rsatmp->n->dmax!=(int)(el/sizeof(BN_ULONG)))
691 ret=p_surewarehk_Load_Rsa_Pubkey(msg,key_id,el,
692 (unsigned long *)rsatmp->n->d,
693 (unsigned long *)rsatmp->e->d);
694 surewarehk_error_handling(msg,SUREWARE_F_SUREWARE_LOAD_PUBLIC,ret);
697 SUREWAREerr(SUREWARE_F_SUREWARE_LOAD_PUBLIC,ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
700 /* normalise pub e and pub n */
701 rsatmp->e->top=el/sizeof(BN_ULONG);
702 bn_fix_top(rsatmp->e);
703 rsatmp->n->top=el/sizeof(BN_ULONG);
704 bn_fix_top(rsatmp->n);
705 /* create an EVP object: engine + rsa key */
706 res = EVP_PKEY_new();
707 EVP_PKEY_assign_RSA(res, rsatmp);
711 #ifndef OPENSSL_NO_DSA
713 /* set private/public external reference */
714 dsatmp = DSA_new_method(e);
715 DSA_set_ex_data(dsatmp,dsaHndidx,hptr);
716 /*dsatmp->flags |= DSA_FLAG_EXT_PKEY;*/
719 dsatmp->pub_key = BN_new();
720 dsatmp->p = BN_new();
721 dsatmp->q = BN_new();
722 dsatmp->g = BN_new();
723 bn_expand2(dsatmp->pub_key, el/sizeof(BN_ULONG));
724 bn_expand2(dsatmp->p, el/sizeof(BN_ULONG));
725 bn_expand2(dsatmp->q, 20/sizeof(BN_ULONG));
726 bn_expand2(dsatmp->g, el/sizeof(BN_ULONG));
727 if (!dsatmp->pub_key || dsatmp->pub_key->dmax!=(int)(el/sizeof(BN_ULONG))||
728 !dsatmp->p || dsatmp->p->dmax!=(int)(el/sizeof(BN_ULONG)) ||
729 !dsatmp->q || dsatmp->q->dmax!=20/sizeof(BN_ULONG) ||
730 !dsatmp->g || dsatmp->g->dmax!=(int)(el/sizeof(BN_ULONG)))
733 ret=p_surewarehk_Load_Dsa_Pubkey(msg,key_id,el,
734 (unsigned long *)dsatmp->pub_key->d,
735 (unsigned long *)dsatmp->p->d,
736 (unsigned long *)dsatmp->q->d,
737 (unsigned long *)dsatmp->g->d);
738 surewarehk_error_handling(msg,SUREWARE_F_SUREWARE_LOAD_PUBLIC,ret);
741 SUREWAREerr(SUREWARE_F_SUREWARE_LOAD_PUBLIC,ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
745 /* normalise pubkey and parameters in case of */
746 dsatmp->pub_key->top=el/sizeof(BN_ULONG);
747 bn_fix_top(dsatmp->pub_key);
748 dsatmp->p->top=el/sizeof(BN_ULONG);
749 bn_fix_top(dsatmp->p);
750 dsatmp->q->top=20/sizeof(BN_ULONG);
751 bn_fix_top(dsatmp->q);
752 dsatmp->g->top=el/sizeof(BN_ULONG);
753 bn_fix_top(dsatmp->g);
755 /* create an EVP object: engine + rsa key */
756 res = EVP_PKEY_new();
757 EVP_PKEY_assign_DSA(res, dsatmp);
762 SUREWAREerr(SUREWARE_F_SUREWARE_LOAD_PUBLIC,ENGINE_R_FAILED_LOADING_PRIVATE_KEY);
767 #ifndef OPENSSL_NO_RSA
771 #ifndef OPENSSL_NO_DSA
778 static EVP_PKEY *surewarehk_load_privkey(ENGINE *e, const char *key_id,
779 UI_METHOD *ui_method, void *callback_data)
781 EVP_PKEY *res = NULL;
786 char msg[64]="ENGINE_load_privkey";
788 if(!p_surewarehk_Load_Privkey)
790 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVKEY,ENGINE_R_NOT_INITIALISED);
794 ret=p_surewarehk_Load_Privkey(msg,key_id,&hptr,&el,&keytype);
797 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVKEY,ENGINE_R_FAILED_LOADING_PRIVATE_KEY);
798 ERR_add_error_data(1,msg);
801 res=sureware_load_public(e,key_id,hptr,el,keytype);
806 static EVP_PKEY *surewarehk_load_pubkey(ENGINE *e, const char *key_id,
807 UI_METHOD *ui_method, void *callback_data)
809 EVP_PKEY *res = NULL;
814 char msg[64]="ENGINE_load_pubkey";
816 if(!p_surewarehk_Info_Pubkey)
818 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PUBKEY,ENGINE_R_NOT_INITIALISED);
822 /* call once to identify if DSA or RSA */
823 ret=p_surewarehk_Info_Pubkey(msg,key_id,&el,&keytype);
826 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PUBKEY,ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
827 ERR_add_error_data(1,msg);
830 res=sureware_load_public(e,key_id,hptr,el,keytype);
835 /* This cleans up an RSA/DSA KM key(do not destroy the key into the hardware)
836 , called when ex_data is freed */
837 static void surewarehk_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
838 int idx,long argl, void *argp)
840 if(!p_surewarehk_Free)
842 SUREWAREerr(SUREWARE_F_SUREWAREHK_EX_FREE,ENGINE_R_NOT_INITIALISED);
845 p_surewarehk_Free((char *)item,0);
849 /* not currently used (bug?) */
850 /* This cleans up an DH KM key (destroys the key into hardware),
851 called when ex_data is freed */
852 static void surewarehk_dh_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
853 int idx,long argl, void *argp)
855 if(!p_surewarehk_Free)
857 SUREWAREerr(SUREWARE_F_SUREWAREHK_DH_EX_FREE,ENGINE_R_NOT_INITIALISED);
860 p_surewarehk_Free((char *)item,1);
865 * return number of decrypted bytes
867 #ifndef OPENSSL_NO_RSA
868 static int surewarehk_rsa_priv_dec(int flen,const unsigned char *from,unsigned char *to,
869 RSA *rsa,int padding)
872 char *buf=NULL,*hptr=NULL;
873 char msg[64]="ENGINE_rsa_priv_dec";
874 if (!p_surewarehk_Rsa_Priv_Dec)
876 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ENGINE_R_NOT_INITIALISED);
878 /* extract ref to private key */
879 else if (!(hptr=RSA_get_ex_data(rsa, rsaHndidx)))
881 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,SUREWARE_R_MISSING_KEY_COMPONENTS);
884 /* analyse what padding we can do into the hardware */
885 if (padding==RSA_PKCS1_PADDING)
888 ret=p_surewarehk_Rsa_Priv_Dec(msg,flen,(unsigned char *)from,&tlen,to,hptr,SUREWARE_PKCS1_PAD);
889 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ret);
894 else /* do with no padding into hardware */
896 ret=p_surewarehk_Rsa_Priv_Dec(msg,flen,(unsigned char *)from,&tlen,to,hptr,SUREWARE_NO_PAD);
897 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ret);
900 /* intermediate buffer for padding */
901 if ((buf=OPENSSL_malloc(tlen)) == NULL)
903 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ERR_R_MALLOC_FAILURE);
906 memcpy(buf,to,tlen);/* transfert to into buf */
907 switch (padding) /* check padding in software */
909 #ifndef OPENSSL_NO_SHA
910 case RSA_PKCS1_OAEP_PADDING:
911 ret=RSA_padding_check_PKCS1_OAEP(to,tlen,(unsigned char *)buf,tlen,tlen,NULL,0);
914 case RSA_SSLV23_PADDING:
915 ret=RSA_padding_check_SSLv23(to,tlen,(unsigned char *)buf,flen,tlen);
918 ret=RSA_padding_check_none(to,tlen,(unsigned char *)buf,flen,tlen);
921 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,SUREWARE_R_UNKNOWN_PADDING_TYPE);
925 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,SUREWARE_R_PADDING_CHECK_FAILED);
930 OPENSSL_cleanse(buf,tlen);
937 * Does what OpenSSL rsa_priv_enc does.
939 static int surewarehk_rsa_sign(int flen,const unsigned char *from,unsigned char *to,
940 RSA *rsa,int padding)
944 char msg[64]="ENGINE_rsa_sign";
945 if (!p_surewarehk_Rsa_Sign)
947 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_SIGN,ENGINE_R_NOT_INITIALISED);
949 /* extract ref to private key */
950 else if (!(hptr=RSA_get_ex_data(rsa, rsaHndidx)))
952 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_SIGN,SUREWARE_R_MISSING_KEY_COMPONENTS);
958 case RSA_PKCS1_PADDING: /* do it in one shot */
959 ret=p_surewarehk_Rsa_Sign(msg,flen,(unsigned char *)from,&tlen,to,hptr,SUREWARE_PKCS1_PAD);
960 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RSA_SIGN,ret);
964 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_SIGN,SUREWARE_R_UNKNOWN_PADDING_TYPE);
967 return ret==1 ? tlen : ret;
972 #ifndef OPENSSL_NO_DSA
973 /* DSA sign and verify */
974 static DSA_SIG * surewarehk_dsa_do_sign(const unsigned char *from, int flen, DSA *dsa)
979 char msg[64]="ENGINE_dsa_do_sign";
980 if (!p_surewarehk_Dsa_Sign)
982 SUREWAREerr(SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,ENGINE_R_NOT_INITIALISED);
985 /* extract ref to private key */
986 else if (!(hptr=DSA_get_ex_data(dsa, dsaHndidx)))
988 SUREWAREerr(SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,SUREWARE_R_MISSING_KEY_COMPONENTS);
993 if((psign = DSA_SIG_new()) == NULL)
995 SUREWAREerr(SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,ERR_R_MALLOC_FAILURE);
1000 bn_expand2(psign->r, 20/sizeof(BN_ULONG));
1001 bn_expand2(psign->s, 20/sizeof(BN_ULONG));
1002 if (!psign->r || psign->r->dmax!=20/sizeof(BN_ULONG) ||
1003 !psign->s || psign->s->dmax!=20/sizeof(BN_ULONG))
1005 ret=p_surewarehk_Dsa_Sign(msg,flen,from,
1006 (unsigned long *)psign->r->d,
1007 (unsigned long *)psign->s->d,
1009 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,ret);
1011 psign->r->top=20/sizeof(BN_ULONG);
1012 bn_fix_top(psign->r);
1013 psign->s->top=20/sizeof(BN_ULONG);
1014 bn_fix_top(psign->s);
1019 DSA_SIG_free(psign);
1026 static int surewarehk_modexp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
1027 const BIGNUM *m, BN_CTX *ctx)
1030 char msg[64]="ENGINE_modexp";
1031 if (!p_surewarehk_Mod_Exp)
1033 SUREWAREerr(SUREWARE_F_SUREWAREHK_MODEXP,ENGINE_R_NOT_INITIALISED);
1037 bn_expand2(r,m->top);
1038 if (r && r->dmax==m->top)
1041 ret=p_surewarehk_Mod_Exp(msg,
1042 m->top*sizeof(BN_ULONG),
1043 (unsigned long *)m->d,
1044 p->top*sizeof(BN_ULONG),
1045 (unsigned long *)p->d,
1046 a->top*sizeof(BN_ULONG),
1047 (unsigned long *)a->d,
1048 (unsigned long *)r->d);
1049 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_MODEXP,ret);
1052 /* normalise result */
1060 #endif /* !OPENSSL_NO_HW_SUREWARE */
1061 #endif /* !OPENSSL_NO_HW */