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 #include <openssl/rsa.h>
61 #include <openssl/dsa.h>
62 #include <openssl/dh.h>
65 #ifndef OPENSSL_NO_HW_SUREWARE
70 #include "vendor_defns/sureware.h"
73 #define SUREWARE_LIB_NAME "sureware engine"
74 #include "e_sureware_err.c"
76 static int surewarehk_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void));
77 static int surewarehk_destroy(ENGINE *e);
78 static int surewarehk_init(ENGINE *e);
79 static int surewarehk_finish(ENGINE *e);
80 static int surewarehk_modexp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
81 const BIGNUM *m, BN_CTX *ctx);
84 static int surewarehk_rsa_priv_dec(int flen,const unsigned char *from,unsigned char *to,
85 RSA *rsa,int padding);
86 static int surewarehk_rsa_sign(int flen,const unsigned char *from,unsigned char *to,
87 RSA *rsa,int padding);
90 static int surewarehk_rand_bytes(unsigned char *buf, int num);
91 static void surewarehk_rand_seed(const void *buf, int num);
92 static void surewarehk_rand_add(const void *buf, int num, double entropy);
95 static EVP_PKEY *surewarehk_load_privkey(ENGINE *e, const char *key_id,
96 UI_METHOD *ui_method, void *callback_data);
97 static EVP_PKEY *surewarehk_load_pubkey(ENGINE *e, const char *key_id,
98 UI_METHOD *ui_method, void *callback_data);
99 static void surewarehk_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
100 int idx,long argl, void *argp);
102 static void surewarehk_dh_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
103 int idx,long argl, void *argp);
106 #ifndef OPENSSL_NO_RSA
107 /* This function is aliased to mod_exp (with the mont stuff dropped). */
108 static int surewarehk_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
109 const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
111 return surewarehk_modexp(r, a, p, m, ctx);
114 /* Our internal RSA_METHOD that we provide pointers to */
115 static RSA_METHOD surewarehk_rsa =
117 "SureWare RSA method",
120 surewarehk_rsa_sign, /* our rsa_sign is OpenSSL priv_enc*/
121 surewarehk_rsa_priv_dec, /* priv_dec*/
123 surewarehk_mod_exp_mont, /*mod_exp_mongomery*/
128 NULL, /* OpenSSL sign*/
129 NULL, /* OpenSSL verify*/
134 #ifndef OPENSSL_NO_DH
135 /* Our internal DH_METHOD that we provide pointers to */
136 /* This function is aliased to mod_exp (with the dh and mont dropped). */
137 static int surewarehk_modexp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a,
138 const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
140 return surewarehk_modexp(r, a, p, m, ctx);
143 static DH_METHOD surewarehk_dh =
145 "SureWare DH method",
148 surewarehk_modexp_dh, /*dh mod exp*/
157 static RAND_METHOD surewarehk_rand =
159 /* "SureWare RAND method", */
160 surewarehk_rand_seed,
161 surewarehk_rand_bytes,
164 surewarehk_rand_bytes,
168 #ifndef OPENSSL_NO_DSA
170 static DSA_SIG * surewarehk_dsa_do_sign(const unsigned char *dgst, int dlen, DSA *dsa);
171 static int surewarehk_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1,
172 BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m,
173 BN_CTX *ctx, BN_MONT_CTX *in_mont)
178 /* let rr = a1 ^ p1 mod m */
179 if (!surewarehk_modexp(rr,a1,p1,m,ctx)) goto end;
180 /* let t = a2 ^ p2 mod m */
181 if (!surewarehk_modexp(&t,a2,p2,m,ctx)) goto end;
182 /* let rr = rr * t mod m */
183 if (!BN_mod_mul(rr,rr,&t,m,ctx)) goto end;
190 static DSA_METHOD surewarehk_dsa =
192 "SureWare DSA method",
193 surewarehk_dsa_do_sign,
196 surewarehk_dsa_mod_exp,/*mod exp*/
207 static const char *engine_sureware_id = "sureware";
208 static const char *engine_sureware_name = "SureWare hardware engine support";
210 /* Now, to our own code */
212 /* As this is only ever called once, there's no need for locking
213 * (indeed - the lock will already be held by our caller!!!) */
214 static int bind_sureware(ENGINE *e)
216 #ifndef OPENSSL_NO_RSA
217 const RSA_METHOD *meth1;
219 #ifndef OPENSSL_NO_DSA
220 const DSA_METHOD *meth2;
222 #ifndef OPENSSL_NO_DH
223 const DH_METHOD *meth3;
226 if(!ENGINE_set_id(e, engine_sureware_id) ||
227 !ENGINE_set_name(e, engine_sureware_name) ||
228 #ifndef OPENSSL_NO_RSA
229 !ENGINE_set_RSA(e, &surewarehk_rsa) ||
231 #ifndef OPENSSL_NO_DSA
232 !ENGINE_set_DSA(e, &surewarehk_dsa) ||
234 #ifndef OPENSSL_NO_DH
235 !ENGINE_set_DH(e, &surewarehk_dh) ||
237 !ENGINE_set_RAND(e, &surewarehk_rand) ||
238 !ENGINE_set_destroy_function(e, surewarehk_destroy) ||
239 !ENGINE_set_init_function(e, surewarehk_init) ||
240 !ENGINE_set_finish_function(e, surewarehk_finish) ||
241 !ENGINE_set_ctrl_function(e, surewarehk_ctrl) ||
242 !ENGINE_set_load_privkey_function(e, surewarehk_load_privkey) ||
243 !ENGINE_set_load_pubkey_function(e, surewarehk_load_pubkey))
246 #ifndef OPENSSL_NO_RSA
247 /* We know that the "PKCS1_SSLeay()" functions hook properly
248 * to the cswift-specific mod_exp and mod_exp_crt so we use
249 * those functions. NB: We don't use ENGINE_openssl() or
250 * anything "more generic" because something like the RSAref
251 * code may not hook properly, and if you own one of these
252 * cards then you have the right to do RSA operations on it
254 meth1 = RSA_PKCS1_SSLeay();
257 surewarehk_rsa.rsa_pub_enc = meth1->rsa_pub_enc;
258 surewarehk_rsa.rsa_pub_dec = meth1->rsa_pub_dec;
262 #ifndef OPENSSL_NO_DSA
263 /* Use the DSA_OpenSSL() method and just hook the mod_exp-ish
265 meth2 = DSA_OpenSSL();
268 surewarehk_dsa.dsa_do_verify = meth2->dsa_do_verify;
272 #ifndef OPENSSL_NO_DH
273 /* Much the same for Diffie-Hellman */
274 meth3 = DH_OpenSSL();
277 surewarehk_dh.generate_key = meth3->generate_key;
278 surewarehk_dh.compute_key = meth3->compute_key;
282 /* Ensure the sureware error handling is set up */
283 ERR_load_SUREWARE_strings();
287 #ifndef OPENSSL_NO_DYNAMIC_ENGINE
288 static int bind_helper(ENGINE *e, const char *id)
290 if(id && (strcmp(id, engine_sureware_id) != 0))
292 if(!bind_sureware(e))
296 IMPLEMENT_DYNAMIC_CHECK_FN()
297 IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
299 static ENGINE *engine_sureware(void)
301 ENGINE *ret = ENGINE_new();
304 if(!bind_sureware(ret))
312 void ENGINE_load_sureware(void)
314 /* Copied from eng_[openssl|dyn].c */
315 ENGINE *toadd = engine_sureware();
323 /* This is a process-global DSO handle used for loading and unloading
324 * the SureWareHook library. NB: This is only set (or unset) during an
325 * init() or finish() call (reference counts permitting) and they're
326 * operating with global locks, so this should be thread-safe
328 static DSO *surewarehk_dso = NULL;
329 #ifndef OPENSSL_NO_RSA
330 static int rsaHndidx = -1; /* Index for KM handle. Not really used yet. */
332 #ifndef OPENSSL_NO_DSA
333 static int dsaHndidx = -1; /* Index for KM handle. Not really used yet. */
336 /* These are the function pointers that are (un)set when the library has
337 * successfully (un)loaded. */
338 static SureWareHook_Init_t *p_surewarehk_Init = NULL;
339 static SureWareHook_Finish_t *p_surewarehk_Finish = NULL;
340 static SureWareHook_Rand_Bytes_t *p_surewarehk_Rand_Bytes = NULL;
341 static SureWareHook_Rand_Seed_t *p_surewarehk_Rand_Seed = NULL;
342 static SureWareHook_Load_Privkey_t *p_surewarehk_Load_Privkey = NULL;
343 static SureWareHook_Info_Pubkey_t *p_surewarehk_Info_Pubkey = NULL;
344 static SureWareHook_Load_Rsa_Pubkey_t *p_surewarehk_Load_Rsa_Pubkey = NULL;
345 static SureWareHook_Load_Dsa_Pubkey_t *p_surewarehk_Load_Dsa_Pubkey = NULL;
346 static SureWareHook_Free_t *p_surewarehk_Free=NULL;
347 static SureWareHook_Rsa_Priv_Dec_t *p_surewarehk_Rsa_Priv_Dec=NULL;
348 static SureWareHook_Rsa_Sign_t *p_surewarehk_Rsa_Sign=NULL;
349 static SureWareHook_Dsa_Sign_t *p_surewarehk_Dsa_Sign=NULL;
350 static SureWareHook_Mod_Exp_t *p_surewarehk_Mod_Exp=NULL;
352 /* Used in the DSO operations. */
353 static const char *surewarehk_LIBNAME = "SureWareHook";
354 static const char *n_surewarehk_Init = "SureWareHook_Init";
355 static const char *n_surewarehk_Finish = "SureWareHook_Finish";
356 static const char *n_surewarehk_Rand_Bytes="SureWareHook_Rand_Bytes";
357 static const char *n_surewarehk_Rand_Seed="SureWareHook_Rand_Seed";
358 static const char *n_surewarehk_Load_Privkey="SureWareHook_Load_Privkey";
359 static const char *n_surewarehk_Info_Pubkey="SureWareHook_Info_Pubkey";
360 static const char *n_surewarehk_Load_Rsa_Pubkey="SureWareHook_Load_Rsa_Pubkey";
361 static const char *n_surewarehk_Load_Dsa_Pubkey="SureWareHook_Load_Dsa_Pubkey";
362 static const char *n_surewarehk_Free="SureWareHook_Free";
363 static const char *n_surewarehk_Rsa_Priv_Dec="SureWareHook_Rsa_Priv_Dec";
364 static const char *n_surewarehk_Rsa_Sign="SureWareHook_Rsa_Sign";
365 static const char *n_surewarehk_Dsa_Sign="SureWareHook_Dsa_Sign";
366 static const char *n_surewarehk_Mod_Exp="SureWareHook_Mod_Exp";
367 static BIO *logstream = NULL;
369 /* SureWareHook library functions and mechanics - these are used by the
370 * higher-level functions further down. NB: As and where there's no
371 * error checking, take a look lower down where these functions are
372 * called, the checking and error handling is probably down there.
374 static int threadsafe=1;
375 static int surewarehk_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void))
381 case ENGINE_CTRL_SET_LOGSTREAM:
384 CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
390 if (CRYPTO_add(&bio->references,1,CRYPTO_LOCK_BIO) > 1)
393 SUREWAREerr(SUREWARE_F_SUREWAREHK_CTRL,SUREWARE_R_BIO_WAS_FREED);
395 CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
397 /* This will prevent the initialisation function from "installing"
398 * the mutex-handling callbacks, even if they are available from
399 * within the library (or were provided to the library from the
400 * calling application). This is to remove any baggage for
401 * applications not using multithreading. */
402 case ENGINE_CTRL_CHIL_NO_LOCKING:
403 CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
405 CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
408 /* The command isn't understood by this engine */
410 SUREWAREerr(SUREWARE_F_SUREWAREHK_CTRL,
411 ENGINE_R_CTRL_COMMAND_NOT_IMPLEMENTED);
419 /* Destructor (complements the "ENGINE_surewarehk()" constructor) */
420 static int surewarehk_destroy(ENGINE *e)
422 ERR_unload_SUREWARE_strings();
426 /* (de)initialisation functions. */
427 static int surewarehk_init(ENGINE *e)
429 char msg[64]="ENGINE_init";
430 SureWareHook_Init_t *p1=NULL;
431 SureWareHook_Finish_t *p2=NULL;
432 SureWareHook_Rand_Bytes_t *p3=NULL;
433 SureWareHook_Rand_Seed_t *p4=NULL;
434 SureWareHook_Load_Privkey_t *p5=NULL;
435 SureWareHook_Load_Rsa_Pubkey_t *p6=NULL;
436 SureWareHook_Free_t *p7=NULL;
437 SureWareHook_Rsa_Priv_Dec_t *p8=NULL;
438 SureWareHook_Rsa_Sign_t *p9=NULL;
439 SureWareHook_Dsa_Sign_t *p12=NULL;
440 SureWareHook_Info_Pubkey_t *p13=NULL;
441 SureWareHook_Load_Dsa_Pubkey_t *p14=NULL;
442 SureWareHook_Mod_Exp_t *p15=NULL;
444 if(surewarehk_dso != NULL)
446 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,ENGINE_R_ALREADY_LOADED);
449 /* Attempt to load libsurewarehk.so/surewarehk.dll/whatever. */
450 surewarehk_dso = DSO_load(NULL, surewarehk_LIBNAME, NULL, 0);
451 if(surewarehk_dso == NULL)
453 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,ENGINE_R_DSO_FAILURE);
456 if(!(p1=(SureWareHook_Init_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Init)) ||
457 !(p2=(SureWareHook_Finish_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Finish)) ||
458 !(p3=(SureWareHook_Rand_Bytes_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Rand_Bytes)) ||
459 !(p4=(SureWareHook_Rand_Seed_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Rand_Seed)) ||
460 !(p5=(SureWareHook_Load_Privkey_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Load_Privkey)) ||
461 !(p6=(SureWareHook_Load_Rsa_Pubkey_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Load_Rsa_Pubkey)) ||
462 !(p7=(SureWareHook_Free_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Free)) ||
463 !(p8=(SureWareHook_Rsa_Priv_Dec_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Rsa_Priv_Dec)) ||
464 !(p9=(SureWareHook_Rsa_Sign_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Rsa_Sign)) ||
465 !(p12=(SureWareHook_Dsa_Sign_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Dsa_Sign)) ||
466 !(p13=(SureWareHook_Info_Pubkey_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Info_Pubkey)) ||
467 !(p14=(SureWareHook_Load_Dsa_Pubkey_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Load_Dsa_Pubkey)) ||
468 !(p15=(SureWareHook_Mod_Exp_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Mod_Exp)))
470 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,ENGINE_R_DSO_FAILURE);
473 /* Copy the pointers */
474 p_surewarehk_Init = p1;
475 p_surewarehk_Finish = p2;
476 p_surewarehk_Rand_Bytes = p3;
477 p_surewarehk_Rand_Seed = p4;
478 p_surewarehk_Load_Privkey = p5;
479 p_surewarehk_Load_Rsa_Pubkey = p6;
480 p_surewarehk_Free = p7;
481 p_surewarehk_Rsa_Priv_Dec = p8;
482 p_surewarehk_Rsa_Sign = p9;
483 p_surewarehk_Dsa_Sign = p12;
484 p_surewarehk_Info_Pubkey = p13;
485 p_surewarehk_Load_Dsa_Pubkey = p14;
486 p_surewarehk_Mod_Exp = p15;
487 /* Contact the hardware and initialises it. */
488 if(p_surewarehk_Init(msg,threadsafe)==SUREWAREHOOK_ERROR_UNIT_FAILURE)
490 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,SUREWARE_R_UNIT_FAILURE);
493 if(p_surewarehk_Init(msg,threadsafe)==SUREWAREHOOK_ERROR_UNIT_FAILURE)
495 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,SUREWARE_R_UNIT_FAILURE);
498 /* try to load the default private key, if failed does not return a failure but
499 wait for an explicit ENGINE_load_privakey */
500 surewarehk_load_privkey(e,NULL,NULL,NULL);
502 /* Everything's fine. */
503 #ifndef OPENSSL_NO_RSA
505 rsaHndidx = RSA_get_ex_new_index(0,
506 "SureWareHook RSA key handle",
507 NULL, NULL, surewarehk_ex_free);
509 #ifndef OPENSSL_NO_DSA
511 dsaHndidx = DSA_get_ex_new_index(0,
512 "SureWareHook DSA key handle",
513 NULL, NULL, surewarehk_ex_free);
519 DSO_free(surewarehk_dso);
520 surewarehk_dso = NULL;
521 p_surewarehk_Init = NULL;
522 p_surewarehk_Finish = NULL;
523 p_surewarehk_Rand_Bytes = NULL;
524 p_surewarehk_Rand_Seed = NULL;
525 p_surewarehk_Load_Privkey = NULL;
526 p_surewarehk_Load_Rsa_Pubkey = NULL;
527 p_surewarehk_Free = NULL;
528 p_surewarehk_Rsa_Priv_Dec = NULL;
529 p_surewarehk_Rsa_Sign = NULL;
530 p_surewarehk_Dsa_Sign = NULL;
531 p_surewarehk_Info_Pubkey = NULL;
532 p_surewarehk_Load_Dsa_Pubkey = NULL;
533 p_surewarehk_Mod_Exp = NULL;
537 static int surewarehk_finish(ENGINE *e)
540 if(surewarehk_dso == NULL)
542 SUREWAREerr(SUREWARE_F_SUREWAREHK_FINISH,ENGINE_R_NOT_LOADED);
546 p_surewarehk_Finish();
547 if(!DSO_free(surewarehk_dso))
549 SUREWAREerr(SUREWARE_F_SUREWAREHK_FINISH,ENGINE_R_DSO_FAILURE);
556 surewarehk_dso = NULL;
557 p_surewarehk_Init = NULL;
558 p_surewarehk_Finish = NULL;
559 p_surewarehk_Rand_Bytes = NULL;
560 p_surewarehk_Rand_Seed = NULL;
561 p_surewarehk_Load_Privkey = NULL;
562 p_surewarehk_Load_Rsa_Pubkey = NULL;
563 p_surewarehk_Free = NULL;
564 p_surewarehk_Rsa_Priv_Dec = NULL;
565 p_surewarehk_Rsa_Sign = NULL;
566 p_surewarehk_Dsa_Sign = NULL;
567 p_surewarehk_Info_Pubkey = NULL;
568 p_surewarehk_Load_Dsa_Pubkey = NULL;
569 p_surewarehk_Mod_Exp = NULL;
573 static void surewarehk_error_handling(char *const msg,int func,int ret)
577 case SUREWAREHOOK_ERROR_UNIT_FAILURE:
578 ENGINEerr(func,SUREWARE_R_UNIT_FAILURE);
580 case SUREWAREHOOK_ERROR_FALLBACK:
581 ENGINEerr(func,SUREWARE_R_REQUEST_FALLBACK);
583 case SUREWAREHOOK_ERROR_DATA_SIZE:
584 ENGINEerr(func,SUREWARE_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
586 case SUREWAREHOOK_ERROR_INVALID_PAD:
587 ENGINEerr(func,RSA_R_PADDING_CHECK_FAILED);
590 ENGINEerr(func,SUREWARE_R_REQUEST_FAILED);
597 ERR_add_error_data(1,msg);
600 CRYPTO_w_lock(CRYPTO_LOCK_BIO);
601 BIO_write(logstream, msg, strlen(msg));
602 CRYPTO_w_unlock(CRYPTO_LOCK_BIO);
607 static int surewarehk_rand_bytes(unsigned char *buf, int num)
610 char msg[64]="ENGINE_rand_bytes";
611 if(!p_surewarehk_Rand_Bytes)
613 SUREWAREerr(SUREWARE_F_SUREWAREHK_RAND_BYTES,ENGINE_R_NOT_INITIALISED);
617 ret = p_surewarehk_Rand_Bytes(msg,buf, num);
618 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RAND_BYTES,ret);
620 return ret==1 ? 1 : 0;
623 static void surewarehk_rand_seed(const void *buf, int num)
626 char msg[64]="ENGINE_rand_seed";
627 if(!p_surewarehk_Rand_Seed)
629 SUREWAREerr(SUREWARE_F_SUREWAREHK_RAND_SEED,ENGINE_R_NOT_INITIALISED);
633 ret = p_surewarehk_Rand_Seed(msg,buf, num);
634 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RAND_SEED,ret);
638 static void surewarehk_rand_add(const void *buf, int num, double entropy)
640 surewarehk_rand_seed(buf,num);
643 static EVP_PKEY* sureware_load_public(ENGINE *e,const char *key_id,char *hptr,unsigned long el,char keytype)
645 EVP_PKEY *res = NULL;
646 #ifndef OPENSSL_NO_RSA
649 #ifndef OPENSSL_NO_DSA
652 char msg[64]="sureware_load_public";
654 if(!p_surewarehk_Load_Rsa_Pubkey || !p_surewarehk_Load_Dsa_Pubkey)
656 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ENGINE_R_NOT_INITIALISED);
661 #ifndef OPENSSL_NO_RSA
663 /* set private external reference */
664 rsatmp = RSA_new_method(e);
665 RSA_set_ex_data(rsatmp,rsaHndidx,hptr);
666 rsatmp->flags |= RSA_FLAG_EXT_PKEY;
668 /* set public big nums*/
669 rsatmp->e = BN_new();
670 rsatmp->n = BN_new();
671 bn_expand2(rsatmp->e, el/sizeof(BN_ULONG));
672 bn_expand2(rsatmp->n, el/sizeof(BN_ULONG));
673 if (!rsatmp->e || rsatmp->e->dmax!=(int)(el/sizeof(BN_ULONG))||
674 !rsatmp->n || rsatmp->n->dmax!=(int)(el/sizeof(BN_ULONG)))
676 ret=p_surewarehk_Load_Rsa_Pubkey(msg,key_id,el,
677 (unsigned long *)rsatmp->n->d,
678 (unsigned long *)rsatmp->e->d);
679 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ret);
682 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
685 /* normalise pub e and pub n */
686 rsatmp->e->top=el/sizeof(BN_ULONG);
687 bn_fix_top(rsatmp->e);
688 rsatmp->n->top=el/sizeof(BN_ULONG);
689 bn_fix_top(rsatmp->n);
690 /* create an EVP object: engine + rsa key */
691 res = EVP_PKEY_new();
692 EVP_PKEY_assign_RSA(res, rsatmp);
696 #ifndef OPENSSL_NO_DSA
698 /* set private/public external reference */
699 dsatmp = DSA_new_method(e);
700 DSA_set_ex_data(dsatmp,dsaHndidx,hptr);
701 /*dsatmp->flags |= DSA_FLAG_EXT_PKEY;*/
704 dsatmp->pub_key = BN_new();
705 dsatmp->p = BN_new();
706 dsatmp->q = BN_new();
707 dsatmp->g = BN_new();
708 bn_expand2(dsatmp->pub_key, el/sizeof(BN_ULONG));
709 bn_expand2(dsatmp->p, el/sizeof(BN_ULONG));
710 bn_expand2(dsatmp->q, 20/sizeof(BN_ULONG));
711 bn_expand2(dsatmp->g, el/sizeof(BN_ULONG));
712 if (!dsatmp->pub_key || dsatmp->pub_key->dmax!=(int)(el/sizeof(BN_ULONG))||
713 !dsatmp->p || dsatmp->p->dmax!=(int)(el/sizeof(BN_ULONG)) ||
714 !dsatmp->q || dsatmp->q->dmax!=20/sizeof(BN_ULONG) ||
715 !dsatmp->g || dsatmp->g->dmax!=(int)(el/sizeof(BN_ULONG)))
718 ret=p_surewarehk_Load_Dsa_Pubkey(msg,key_id,el,
719 (unsigned long *)dsatmp->pub_key->d,
720 (unsigned long *)dsatmp->p->d,
721 (unsigned long *)dsatmp->q->d,
722 (unsigned long *)dsatmp->g->d);
723 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ret);
726 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
730 /* normalise pubkey and parameters in case of */
731 dsatmp->pub_key->top=el/sizeof(BN_ULONG);
732 bn_fix_top(dsatmp->pub_key);
733 dsatmp->p->top=el/sizeof(BN_ULONG);
734 bn_fix_top(dsatmp->p);
735 dsatmp->q->top=20/sizeof(BN_ULONG);
736 bn_fix_top(dsatmp->q);
737 dsatmp->g->top=el/sizeof(BN_ULONG);
738 bn_fix_top(dsatmp->g);
740 /* create an EVP object: engine + rsa key */
741 res = EVP_PKEY_new();
742 EVP_PKEY_assign_DSA(res, dsatmp);
747 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_FAILED_LOADING_PRIVATE_KEY);
754 #ifndef OPENSSL_NO_RSA
758 #ifndef OPENSSL_NO_DSA
765 static EVP_PKEY *surewarehk_load_privkey(ENGINE *e, const char *key_id,
766 UI_METHOD *ui_method, void *callback_data)
768 EVP_PKEY *res = NULL;
773 char msg[64]="ENGINE_load_privkey";
775 if(!p_surewarehk_Load_Privkey)
777 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_NOT_INITIALISED);
781 ret=p_surewarehk_Load_Privkey(msg,key_id,&hptr,&el,&keytype);
784 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_FAILED_LOADING_PRIVATE_KEY);
785 ERR_add_error_data(1,msg);
788 res=sureware_load_public(e,key_id,hptr,el,keytype);
793 static EVP_PKEY *surewarehk_load_pubkey(ENGINE *e, const char *key_id,
794 UI_METHOD *ui_method, void *callback_data)
796 EVP_PKEY *res = NULL;
801 char msg[64]="ENGINE_load_pubkey";
803 if(!p_surewarehk_Info_Pubkey)
805 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ENGINE_R_NOT_INITIALISED);
809 /* call once to identify if DSA or RSA */
810 ret=p_surewarehk_Info_Pubkey(msg,key_id,&el,&keytype);
813 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
814 ERR_add_error_data(1,msg);
817 res=sureware_load_public(e,key_id,hptr,el,keytype);
822 /* This cleans up an RSA/DSA KM key(do not destroy the key into the hardware)
823 , called when ex_data is freed */
824 static void surewarehk_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
825 int idx,long argl, void *argp)
827 if(!p_surewarehk_Free)
829 SUREWAREerr(SUREWARE_F_SUREWAREHK_EX_FREE,ENGINE_R_NOT_INITIALISED);
832 p_surewarehk_Free((char *)item,0);
836 /* not currently used (bug?) */
837 /* This cleans up an DH KM key (destroys the key into hardware),
838 called when ex_data is freed */
839 static void surewarehk_dh_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
840 int idx,long argl, void *argp)
842 if(!p_surewarehk_Free)
844 SUREWAREerr(SUREWARE_F_SUREWAREHK_EX_FREE,ENGINE_R_NOT_INITIALISED);
847 p_surewarehk_Free((char *)item,1);
852 * return number of decrypted bytes
854 #ifndef OPENSSL_NO_RSA
855 static int surewarehk_rsa_priv_dec(int flen,const unsigned char *from,unsigned char *to,
856 RSA *rsa,int padding)
859 char *buf=NULL,*hptr=NULL;
860 char msg[64]="ENGINE_rsa_priv_dec";
861 if (!p_surewarehk_Rsa_Priv_Dec)
863 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ENGINE_R_NOT_INITIALISED);
865 /* extract ref to private key */
866 else if (!(hptr=RSA_get_ex_data(rsa, rsaHndidx)))
868 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,SUREWARE_R_MISSING_KEY_COMPONENTS);
871 /* analyse what padding we can do into the hardware */
872 if (padding==RSA_PKCS1_PADDING)
875 ret=p_surewarehk_Rsa_Priv_Dec(msg,flen,(unsigned char *)from,&tlen,to,hptr,SUREWARE_PKCS1_PAD);
876 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ret);
881 else /* do with no padding into hardware */
883 ret=p_surewarehk_Rsa_Priv_Dec(msg,flen,(unsigned char *)from,&tlen,to,hptr,SUREWARE_NO_PAD);
884 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ret);
887 /* intermediate buffer for padding */
888 if ((buf=OPENSSL_malloc(tlen)) == NULL)
890 RSAerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ERR_R_MALLOC_FAILURE);
893 memcpy(buf,to,tlen);/* transfert to into buf */
894 switch (padding) /* check padding in software */
896 #ifndef OPENSSL_NO_SHA
897 case RSA_PKCS1_OAEP_PADDING:
898 ret=RSA_padding_check_PKCS1_OAEP(to,tlen,(unsigned char *)buf,tlen,tlen,NULL,0);
901 case RSA_SSLV23_PADDING:
902 ret=RSA_padding_check_SSLv23(to,tlen,(unsigned char *)buf,flen,tlen);
905 ret=RSA_padding_check_none(to,tlen,(unsigned char *)buf,flen,tlen);
908 RSAerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,RSA_R_UNKNOWN_PADDING_TYPE);
912 RSAerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,RSA_R_PADDING_CHECK_FAILED);
917 OPENSSL_cleanse(buf,tlen);
924 * Does what OpenSSL rsa_priv_enc does.
926 static int surewarehk_rsa_sign(int flen,const unsigned char *from,unsigned char *to,
927 RSA *rsa,int padding)
931 char msg[64]="ENGINE_rsa_sign";
932 if (!p_surewarehk_Rsa_Sign)
934 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_ENC,ENGINE_R_NOT_INITIALISED);
936 /* extract ref to private key */
937 else if (!(hptr=RSA_get_ex_data(rsa, rsaHndidx)))
939 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_ENC,SUREWARE_R_MISSING_KEY_COMPONENTS);
945 case RSA_PKCS1_PADDING: /* do it in one shot */
946 ret=p_surewarehk_Rsa_Sign(msg,flen,(unsigned char *)from,&tlen,to,hptr,SUREWARE_PKCS1_PAD);
947 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RSA_PRIV_ENC,ret);
951 RSAerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_ENC,RSA_R_UNKNOWN_PADDING_TYPE);
954 return ret==1 ? tlen : ret;
959 #ifndef OPENSSL_NO_DSA
960 /* DSA sign and verify */
961 static DSA_SIG * surewarehk_dsa_do_sign(const unsigned char *from, int flen, DSA *dsa)
966 char msg[64]="ENGINE_dsa_do_sign";
967 if (!p_surewarehk_Dsa_Sign)
969 SUREWAREerr(SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,ENGINE_R_NOT_INITIALISED);
971 /* extract ref to private key */
972 else if (!(hptr=DSA_get_ex_data(dsa, dsaHndidx)))
974 SUREWAREerr(SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,SUREWARE_R_MISSING_KEY_COMPONENTS);
978 if((psign = DSA_SIG_new()) == NULL)
980 SUREWAREerr(SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,ERR_R_MALLOC_FAILURE);
985 bn_expand2(psign->r, 20/sizeof(BN_ULONG));
986 bn_expand2(psign->s, 20/sizeof(BN_ULONG));
987 if (!psign->r || psign->r->dmax!=20/sizeof(BN_ULONG) ||
988 !psign->s || psign->s->dmax!=20/sizeof(BN_ULONG))
990 ret=p_surewarehk_Dsa_Sign(msg,flen,from,
991 (unsigned long *)psign->r->d,
992 (unsigned long *)psign->s->d,
994 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,ret);
996 psign->r->top=20/sizeof(BN_ULONG);
997 bn_fix_top(psign->r);
998 psign->s->top=20/sizeof(BN_ULONG);
999 bn_fix_top(psign->s);
1004 DSA_SIG_free(psign);
1011 static int surewarehk_modexp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
1012 const BIGNUM *m, BN_CTX *ctx)
1015 char msg[64]="ENGINE_modexp";
1016 if (!p_surewarehk_Mod_Exp)
1018 SUREWAREerr(SUREWARE_F_SUREWAREHK_MOD_EXP,ENGINE_R_NOT_INITIALISED);
1022 bn_expand2(r,m->top);
1023 if (r && r->dmax==m->top)
1026 ret=p_surewarehk_Mod_Exp(msg,
1027 m->top*sizeof(BN_ULONG),
1028 (unsigned long *)m->d,
1029 p->top*sizeof(BN_ULONG),
1030 (unsigned long *)p->d,
1031 a->top*sizeof(BN_ULONG),
1032 (unsigned long *)a->d,
1033 (unsigned long *)r->d);
1034 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_MOD_EXP,ret);
1037 /* normalise result */
1045 #endif /* !OPENSSL_NO_HW_SureWare */
1046 #endif /* !OPENSSL_NO_HW */