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 ====================================================================*/
54 #include <openssl/crypto.h>
55 #include <openssl/pem.h>
56 #include <openssl/dso.h>
57 #include <openssl/engine.h>
60 #ifndef OPENSSL_NO_HW_SUREWARE
65 #include "vendor_defns/sureware.h"
68 #define SUREWARE_LIB_NAME "sureware engine"
69 #include "e_sureware_err.c"
71 static int surewarehk_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)());
72 static int surewarehk_destroy(ENGINE *e);
73 static int surewarehk_init(ENGINE *e);
74 static int surewarehk_finish(ENGINE *e);
75 static int surewarehk_modexp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
76 const BIGNUM *m, BN_CTX *ctx);
79 static int surewarehk_rsa_priv_dec(int flen,const unsigned char *from,unsigned char *to,
80 RSA *rsa,int padding);
81 static int surewarehk_rsa_sign(int flen,const unsigned char *from,unsigned char *to,
82 RSA *rsa,int padding);
85 static int surewarehk_rand_bytes(unsigned char *buf, int num);
86 static void surewarehk_rand_seed(const void *buf, int num);
87 static void surewarehk_rand_add(const void *buf, int num, double entropy);
90 static EVP_PKEY *surewarehk_load_privkey(ENGINE *e, const char *key_id,
91 UI_METHOD *ui_method, void *callback_data);
92 static EVP_PKEY *surewarehk_load_pubkey(ENGINE *e, const char *key_id,
93 UI_METHOD *ui_method, void *callback_data);
94 static void surewarehk_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
95 int idx,long argl, void *argp);
97 static void surewarehk_dh_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
98 int idx,long argl, void *argp);
101 #ifndef OPENSSL_NO_RSA
102 /* This function is aliased to mod_exp (with the mont stuff dropped). */
103 static int surewarehk_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
104 const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
106 return surewarehk_modexp(r, a, p, m, ctx);
109 /* Our internal RSA_METHOD that we provide pointers to */
110 static RSA_METHOD surewarehk_rsa =
112 "SureWare RSA method",
115 surewarehk_rsa_sign, /* our rsa_sign is OpenSSL priv_enc*/
116 surewarehk_rsa_priv_dec, /* priv_dec*/
118 surewarehk_mod_exp_mont, /*mod_exp_mongomery*/
123 NULL, /* OpenSSL sign*/
124 NULL /* OpenSSL verify*/
128 #ifndef OPENSSL_NO_DH
129 /* Our internal DH_METHOD that we provide pointers to */
130 /* This function is aliased to mod_exp (with the dh and mont dropped). */
131 static int surewarehk_modexp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a,
132 const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
134 return surewarehk_modexp(r, a, p, m, ctx);
137 static DH_METHOD surewarehk_dh =
139 "SureWare DH method",
142 surewarehk_modexp_dh, /*dh mod exp*/
150 static RAND_METHOD surewarehk_rand =
152 /* "SureWare RAND method", */
153 surewarehk_rand_seed,
154 surewarehk_rand_bytes,
157 surewarehk_rand_bytes,
161 #ifndef OPENSSL_NO_DSA
163 static DSA_SIG * surewarehk_dsa_do_sign(const unsigned char *dgst, int dlen, DSA *dsa);
164 static int surewarehk_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1,
165 BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m,
166 BN_CTX *ctx, BN_MONT_CTX *in_mont)
171 /* let rr = a1 ^ p1 mod m */
172 if (!surewarehk_modexp(rr,a1,p1,m,ctx)) goto end;
173 /* let t = a2 ^ p2 mod m */
174 if (!surewarehk_modexp(&t,a2,p2,m,ctx)) goto end;
175 /* let rr = rr * t mod m */
176 if (!BN_mod_mul(rr,rr,&t,m,ctx)) goto end;
183 static DSA_METHOD surewarehk_dsa =
185 "SureWare DSA method",
186 surewarehk_dsa_do_sign,
189 surewarehk_dsa_mod_exp,/*mod exp*/
198 static const char *engine_sureware_id = "sureware";
199 static const char *engine_sureware_name = "SureWare hardware engine support";
201 /* Now, to our own code */
203 /* As this is only ever called once, there's no need for locking
204 * (indeed - the lock will already be held by our caller!!!) */
205 static int bind_sureware(ENGINE *e)
207 #ifndef OPENSSL_NO_RSA
208 const RSA_METHOD *meth1;
210 #ifndef OPENSSL_NO_DSA
211 const DSA_METHOD *meth2;
213 #ifndef OPENSSL_NO_DH
214 const DH_METHOD *meth3;
217 if(!ENGINE_set_id(e, engine_sureware_id) ||
218 !ENGINE_set_name(e, engine_sureware_name) ||
219 #ifndef OPENSSL_NO_RSA
220 !ENGINE_set_RSA(e, &surewarehk_rsa) ||
222 #ifndef OPENSSL_NO_DSA
223 !ENGINE_set_DSA(e, &surewarehk_dsa) ||
225 #ifndef OPENSSL_NO_DH
226 !ENGINE_set_DH(e, &surewarehk_dh) ||
228 !ENGINE_set_RAND(e, &surewarehk_rand) ||
229 !ENGINE_set_destroy_function(e, surewarehk_destroy) ||
230 !ENGINE_set_init_function(e, surewarehk_init) ||
231 !ENGINE_set_finish_function(e, surewarehk_finish) ||
232 !ENGINE_set_ctrl_function(e, surewarehk_ctrl) ||
233 !ENGINE_set_load_privkey_function(e, surewarehk_load_privkey) ||
234 !ENGINE_set_load_pubkey_function(e, surewarehk_load_pubkey))
237 #ifndef OPENSSL_NO_RSA
238 /* We know that the "PKCS1_SSLeay()" functions hook properly
239 * to the cswift-specific mod_exp and mod_exp_crt so we use
240 * those functions. NB: We don't use ENGINE_openssl() or
241 * anything "more generic" because something like the RSAref
242 * code may not hook properly, and if you own one of these
243 * cards then you have the right to do RSA operations on it
245 meth1 = RSA_PKCS1_SSLeay();
248 surewarehk_rsa.rsa_pub_enc = meth1->rsa_pub_enc;
249 surewarehk_rsa.rsa_pub_dec = meth1->rsa_pub_dec;
253 #ifndef OPENSSL_NO_DSA
254 /* Use the DSA_OpenSSL() method and just hook the mod_exp-ish
256 meth2 = DSA_OpenSSL();
259 surewarehk_dsa.dsa_do_verify = meth2->dsa_do_verify;
263 #ifndef OPENSSL_NO_DH
264 /* Much the same for Diffie-Hellman */
265 meth3 = DH_OpenSSL();
268 surewarehk_dh.generate_key = meth3->generate_key;
269 surewarehk_dh.compute_key = meth3->compute_key;
273 /* Ensure the sureware error handling is set up */
274 ERR_load_SUREWARE_strings();
278 #ifndef OPENSSL_NO_DYNAMIC_ENGINE
279 static int bind_helper(ENGINE *e, const char *id)
281 if(id && (strcmp(id, engine_sureware_id) != 0))
283 if(!bind_sureware(e))
287 IMPLEMENT_DYNAMIC_CHECK_FN()
288 IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
290 static ENGINE *engine_sureware(void)
292 ENGINE *ret = ENGINE_new();
295 if(!bind_sureware(ret))
303 void ENGINE_load_sureware(void)
305 /* Copied from eng_[openssl|dyn].c */
306 ENGINE *toadd = engine_sureware();
314 /* This is a process-global DSO handle used for loading and unloading
315 * the SureWareHook library. NB: This is only set (or unset) during an
316 * init() or finish() call (reference counts permitting) and they're
317 * operating with global locks, so this should be thread-safe
319 static DSO *surewarehk_dso = NULL;
320 #ifndef OPENSSL_NO_RSA
321 static int rsaHndidx = -1; /* Index for KM handle. Not really used yet. */
323 #ifndef OPENSSL_NO_DSA
324 static int dsaHndidx = -1; /* Index for KM handle. Not really used yet. */
327 /* These are the function pointers that are (un)set when the library has
328 * successfully (un)loaded. */
329 static SureWareHook_Init_t *p_surewarehk_Init = NULL;
330 static SureWareHook_Finish_t *p_surewarehk_Finish = NULL;
331 static SureWareHook_Rand_Bytes_t *p_surewarehk_Rand_Bytes = NULL;
332 static SureWareHook_Rand_Seed_t *p_surewarehk_Rand_Seed = NULL;
333 static SureWareHook_Load_Privkey_t *p_surewarehk_Load_Privkey = NULL;
334 static SureWareHook_Info_Pubkey_t *p_surewarehk_Info_Pubkey = NULL;
335 static SureWareHook_Load_Rsa_Pubkey_t *p_surewarehk_Load_Rsa_Pubkey = NULL;
336 static SureWareHook_Load_Dsa_Pubkey_t *p_surewarehk_Load_Dsa_Pubkey = NULL;
337 static SureWareHook_Free_t *p_surewarehk_Free=NULL;
338 static SureWareHook_Rsa_Priv_Dec_t *p_surewarehk_Rsa_Priv_Dec=NULL;
339 static SureWareHook_Rsa_Sign_t *p_surewarehk_Rsa_Sign=NULL;
340 static SureWareHook_Dsa_Sign_t *p_surewarehk_Dsa_Sign=NULL;
341 static SureWareHook_Mod_Exp_t *p_surewarehk_Mod_Exp=NULL;
343 /* Used in the DSO operations. */
344 static const char *surewarehk_LIBNAME = "SureWareHook";
345 static const char *n_surewarehk_Init = "SureWareHook_Init";
346 static const char *n_surewarehk_Finish = "SureWareHook_Finish";
347 static const char *n_surewarehk_Rand_Bytes="SureWareHook_Rand_Bytes";
348 static const char *n_surewarehk_Rand_Seed="SureWareHook_Rand_Seed";
349 static const char *n_surewarehk_Load_Privkey="SureWareHook_Load_Privkey";
350 static const char *n_surewarehk_Info_Pubkey="SureWareHook_Info_Pubkey";
351 static const char *n_surewarehk_Load_Rsa_Pubkey="SureWareHook_Load_Rsa_Pubkey";
352 static const char *n_surewarehk_Load_Dsa_Pubkey="SureWareHook_Load_Dsa_Pubkey";
353 static const char *n_surewarehk_Free="SureWareHook_Free";
354 static const char *n_surewarehk_Rsa_Priv_Dec="SureWareHook_Rsa_Priv_Dec";
355 static const char *n_surewarehk_Rsa_Sign="SureWareHook_Rsa_Sign";
356 static const char *n_surewarehk_Dsa_Sign="SureWareHook_Dsa_Sign";
357 static const char *n_surewarehk_Mod_Exp="SureWareHook_Mod_Exp";
358 static BIO *logstream = NULL;
360 /* SureWareHook library functions and mechanics - these are used by the
361 * higher-level functions further down. NB: As and where there's no
362 * error checking, take a look lower down where these functions are
363 * called, the checking and error handling is probably down there.
365 static int threadsafe=1;
366 static int surewarehk_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)())
372 case ENGINE_CTRL_SET_LOGSTREAM:
375 CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
381 if (CRYPTO_add(&bio->references,1,CRYPTO_LOCK_BIO) > 1)
384 SUREWAREerr(SUREWARE_F_SUREWAREHK_CTRL,SUREWARE_R_BIO_WAS_FREED);
386 CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
388 /* This will prevent the initialisation function from "installing"
389 * the mutex-handling callbacks, even if they are available from
390 * within the library (or were provided to the library from the
391 * calling application). This is to remove any baggage for
392 * applications not using multithreading. */
393 case ENGINE_CTRL_CHIL_NO_LOCKING:
394 CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
396 CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
399 /* The command isn't understood by this engine */
401 SUREWAREerr(SUREWARE_F_SUREWAREHK_CTRL,
402 ENGINE_R_CTRL_COMMAND_NOT_IMPLEMENTED);
410 /* Destructor (complements the "ENGINE_surewarehk()" constructor) */
411 static int surewarehk_destroy(ENGINE *e)
413 ERR_unload_SUREWARE_strings();
417 /* (de)initialisation functions. */
418 static int surewarehk_init(ENGINE *e)
420 char msg[64]="ENGINE_init";
421 SureWareHook_Init_t *p1=NULL;
422 SureWareHook_Finish_t *p2=NULL;
423 SureWareHook_Rand_Bytes_t *p3=NULL;
424 SureWareHook_Rand_Seed_t *p4=NULL;
425 SureWareHook_Load_Privkey_t *p5=NULL;
426 SureWareHook_Load_Rsa_Pubkey_t *p6=NULL;
427 SureWareHook_Free_t *p7=NULL;
428 SureWareHook_Rsa_Priv_Dec_t *p8=NULL;
429 SureWareHook_Rsa_Sign_t *p9=NULL;
430 SureWareHook_Dsa_Sign_t *p12=NULL;
431 SureWareHook_Info_Pubkey_t *p13=NULL;
432 SureWareHook_Load_Dsa_Pubkey_t *p14=NULL;
433 SureWareHook_Mod_Exp_t *p15=NULL;
435 if(surewarehk_dso != NULL)
437 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,ENGINE_R_ALREADY_LOADED);
440 /* Attempt to load libsurewarehk.so/surewarehk.dll/whatever. */
441 surewarehk_dso = DSO_load(NULL, surewarehk_LIBNAME, NULL, 0);
442 if(surewarehk_dso == NULL)
444 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,ENGINE_R_DSO_FAILURE);
447 if(!(p1=(SureWareHook_Init_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Init)) ||
448 !(p2=(SureWareHook_Finish_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Finish)) ||
449 !(p3=(SureWareHook_Rand_Bytes_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Rand_Bytes)) ||
450 !(p4=(SureWareHook_Rand_Seed_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Rand_Seed)) ||
451 !(p5=(SureWareHook_Load_Privkey_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Load_Privkey)) ||
452 !(p6=(SureWareHook_Load_Rsa_Pubkey_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Load_Rsa_Pubkey)) ||
453 !(p7=(SureWareHook_Free_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Free)) ||
454 !(p8=(SureWareHook_Rsa_Priv_Dec_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Rsa_Priv_Dec)) ||
455 !(p9=(SureWareHook_Rsa_Sign_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Rsa_Sign)) ||
456 !(p12=(SureWareHook_Dsa_Sign_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Dsa_Sign)) ||
457 !(p13=(SureWareHook_Info_Pubkey_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Info_Pubkey)) ||
458 !(p14=(SureWareHook_Load_Dsa_Pubkey_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Load_Dsa_Pubkey)) ||
459 !(p15=(SureWareHook_Mod_Exp_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Mod_Exp)))
461 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,ENGINE_R_DSO_FAILURE);
464 /* Copy the pointers */
465 p_surewarehk_Init = p1;
466 p_surewarehk_Finish = p2;
467 p_surewarehk_Rand_Bytes = p3;
468 p_surewarehk_Rand_Seed = p4;
469 p_surewarehk_Load_Privkey = p5;
470 p_surewarehk_Load_Rsa_Pubkey = p6;
471 p_surewarehk_Free = p7;
472 p_surewarehk_Rsa_Priv_Dec = p8;
473 p_surewarehk_Rsa_Sign = p9;
474 p_surewarehk_Dsa_Sign = p12;
475 p_surewarehk_Info_Pubkey = p13;
476 p_surewarehk_Load_Dsa_Pubkey = p14;
477 p_surewarehk_Mod_Exp = p15;
478 /* Contact the hardware and initialises it. */
479 if(p_surewarehk_Init(msg,threadsafe)==SUREWAREHOOK_ERROR_UNIT_FAILURE)
481 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,SUREWARE_R_UNIT_FAILURE);
484 if(p_surewarehk_Init(msg,threadsafe)==SUREWAREHOOK_ERROR_UNIT_FAILURE)
486 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,SUREWARE_R_UNIT_FAILURE);
489 /* try to load the default private key, if failed does not return a failure but
490 wait for an explicit ENGINE_load_privakey */
491 surewarehk_load_privkey(e,NULL,NULL,NULL);
493 /* Everything's fine. */
494 #ifndef OPENSSL_NO_RSA
496 rsaHndidx = RSA_get_ex_new_index(0,
497 "SureWareHook RSA key handle",
498 NULL, NULL, surewarehk_ex_free);
500 #ifndef OPENSSL_NO_DSA
502 dsaHndidx = DSA_get_ex_new_index(0,
503 "SureWareHook DSA key handle",
504 NULL, NULL, surewarehk_ex_free);
510 DSO_free(surewarehk_dso);
511 surewarehk_dso = NULL;
512 p_surewarehk_Init = NULL;
513 p_surewarehk_Finish = NULL;
514 p_surewarehk_Rand_Bytes = NULL;
515 p_surewarehk_Rand_Seed = NULL;
516 p_surewarehk_Load_Privkey = NULL;
517 p_surewarehk_Load_Rsa_Pubkey = NULL;
518 p_surewarehk_Free = NULL;
519 p_surewarehk_Rsa_Priv_Dec = NULL;
520 p_surewarehk_Rsa_Sign = NULL;
521 p_surewarehk_Dsa_Sign = NULL;
522 p_surewarehk_Info_Pubkey = NULL;
523 p_surewarehk_Load_Dsa_Pubkey = NULL;
524 p_surewarehk_Mod_Exp = NULL;
528 static int surewarehk_finish(ENGINE *e)
531 if(surewarehk_dso == NULL)
533 SUREWAREerr(SUREWARE_F_SUREWAREHK_FINISH,ENGINE_R_NOT_LOADED);
537 p_surewarehk_Finish();
538 if(!DSO_free(surewarehk_dso))
540 SUREWAREerr(SUREWARE_F_SUREWAREHK_FINISH,ENGINE_R_DSO_FAILURE);
547 surewarehk_dso = NULL;
548 p_surewarehk_Init = NULL;
549 p_surewarehk_Finish = NULL;
550 p_surewarehk_Rand_Bytes = NULL;
551 p_surewarehk_Rand_Seed = NULL;
552 p_surewarehk_Load_Privkey = NULL;
553 p_surewarehk_Load_Rsa_Pubkey = NULL;
554 p_surewarehk_Free = NULL;
555 p_surewarehk_Rsa_Priv_Dec = NULL;
556 p_surewarehk_Rsa_Sign = NULL;
557 p_surewarehk_Dsa_Sign = NULL;
558 p_surewarehk_Info_Pubkey = NULL;
559 p_surewarehk_Load_Dsa_Pubkey = NULL;
560 p_surewarehk_Mod_Exp = NULL;
564 static void surewarehk_error_handling(char *const msg,int func,int ret)
568 case SUREWAREHOOK_ERROR_UNIT_FAILURE:
569 ENGINEerr(func,SUREWARE_R_UNIT_FAILURE);
571 case SUREWAREHOOK_ERROR_FALLBACK:
572 ENGINEerr(func,SUREWARE_R_REQUEST_FALLBACK);
574 case SUREWAREHOOK_ERROR_DATA_SIZE:
575 ENGINEerr(func,SUREWARE_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
577 case SUREWAREHOOK_ERROR_INVALID_PAD:
578 ENGINEerr(func,RSA_R_PADDING_CHECK_FAILED);
581 ENGINEerr(func,SUREWARE_R_REQUEST_FAILED);
588 ERR_add_error_data(1,msg);
591 CRYPTO_w_lock(CRYPTO_LOCK_BIO);
592 BIO_write(logstream, msg, strlen(msg));
593 CRYPTO_w_unlock(CRYPTO_LOCK_BIO);
598 static int surewarehk_rand_bytes(unsigned char *buf, int num)
601 char msg[64]="ENGINE_rand_bytes";
602 if(!p_surewarehk_Rand_Bytes)
604 SUREWAREerr(SUREWARE_F_SUREWAREHK_RAND_BYTES,ENGINE_R_NOT_INITIALISED);
608 ret = p_surewarehk_Rand_Bytes(msg,buf, num);
609 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RAND_BYTES,ret);
611 return ret==1 ? 1 : 0;
614 static void surewarehk_rand_seed(const void *buf, int num)
617 char msg[64]="ENGINE_rand_seed";
618 if(!p_surewarehk_Rand_Seed)
620 SUREWAREerr(SUREWARE_F_SUREWAREHK_RAND_SEED,ENGINE_R_NOT_INITIALISED);
624 ret = p_surewarehk_Rand_Seed(msg,buf, num);
625 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RAND_SEED,ret);
629 static void surewarehk_rand_add(const void *buf, int num, double entropy)
631 surewarehk_rand_seed(buf,num);
634 static EVP_PKEY* sureware_load_public(ENGINE *e,const char *key_id,char *hptr,unsigned long el,char keytype)
636 EVP_PKEY *res = NULL;
637 #ifndef OPENSSL_NO_RSA
640 #ifndef OPENSSL_NO_DSA
643 char msg[64]="sureware_load_public";
645 if(!p_surewarehk_Load_Rsa_Pubkey || !p_surewarehk_Load_Dsa_Pubkey)
647 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ENGINE_R_NOT_INITIALISED);
652 #ifndef OPENSSL_NO_RSA
654 /* set private external reference */
655 rsatmp = RSA_new_method(e);
656 RSA_set_ex_data(rsatmp,rsaHndidx,hptr);
657 rsatmp->flags |= RSA_FLAG_EXT_PKEY;
659 /* set public big nums*/
660 rsatmp->e = BN_new();
661 rsatmp->n = BN_new();
662 bn_expand2(rsatmp->e, el/sizeof(BN_ULONG));
663 bn_expand2(rsatmp->n, el/sizeof(BN_ULONG));
664 if (!rsatmp->e || rsatmp->e->dmax!=(int)(el/sizeof(BN_ULONG))||
665 !rsatmp->n || rsatmp->n->dmax!=(int)(el/sizeof(BN_ULONG)))
667 ret=p_surewarehk_Load_Rsa_Pubkey(msg,key_id,el,
668 (unsigned long *)rsatmp->n->d,
669 (unsigned long *)rsatmp->e->d);
670 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ret);
673 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
676 /* normalise pub e and pub n */
677 rsatmp->e->top=el/sizeof(BN_ULONG);
678 bn_fix_top(rsatmp->e);
679 rsatmp->n->top=el/sizeof(BN_ULONG);
680 bn_fix_top(rsatmp->n);
681 /* create an EVP object: engine + rsa key */
682 res = EVP_PKEY_new();
683 EVP_PKEY_assign_RSA(res, rsatmp);
687 #ifndef OPENSSL_NO_DSA
689 /* set private/public external reference */
690 dsatmp = DSA_new_method(e);
691 DSA_set_ex_data(dsatmp,dsaHndidx,hptr);
692 /*dsatmp->flags |= DSA_FLAG_EXT_PKEY;*/
695 dsatmp->pub_key = BN_new();
696 dsatmp->p = BN_new();
697 dsatmp->q = BN_new();
698 dsatmp->g = BN_new();
699 bn_expand2(dsatmp->pub_key, el/sizeof(BN_ULONG));
700 bn_expand2(dsatmp->p, el/sizeof(BN_ULONG));
701 bn_expand2(dsatmp->q, 20/sizeof(BN_ULONG));
702 bn_expand2(dsatmp->g, el/sizeof(BN_ULONG));
703 if (!dsatmp->pub_key || dsatmp->pub_key->dmax!=(int)(el/sizeof(BN_ULONG))||
704 !dsatmp->p || dsatmp->p->dmax!=(int)(el/sizeof(BN_ULONG)) ||
705 !dsatmp->q || dsatmp->q->dmax!=20/sizeof(BN_ULONG) ||
706 !dsatmp->g || dsatmp->g->dmax!=(int)(el/sizeof(BN_ULONG)))
709 ret=p_surewarehk_Load_Dsa_Pubkey(msg,key_id,el,
710 (unsigned long *)dsatmp->pub_key->d,
711 (unsigned long *)dsatmp->p->d,
712 (unsigned long *)dsatmp->q->d,
713 (unsigned long *)dsatmp->g->d);
714 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ret);
717 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
721 /* normalise pubkey and parameters in case of */
722 dsatmp->pub_key->top=el/sizeof(BN_ULONG);
723 bn_fix_top(dsatmp->pub_key);
724 dsatmp->p->top=el/sizeof(BN_ULONG);
725 bn_fix_top(dsatmp->p);
726 dsatmp->q->top=20/sizeof(BN_ULONG);
727 bn_fix_top(dsatmp->q);
728 dsatmp->g->top=el/sizeof(BN_ULONG);
729 bn_fix_top(dsatmp->g);
731 /* create an EVP object: engine + rsa key */
732 res = EVP_PKEY_new();
733 EVP_PKEY_assign_DSA(res, dsatmp);
738 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_FAILED_LOADING_PRIVATE_KEY);
745 #ifndef OPENSSL_NO_RSA
749 #ifndef OPENSSL_NO_DSA
756 static EVP_PKEY *surewarehk_load_privkey(ENGINE *e, const char *key_id,
757 UI_METHOD *ui_method, void *callback_data)
759 EVP_PKEY *res = NULL;
764 char msg[64]="ENGINE_load_privkey";
766 if(!p_surewarehk_Load_Privkey)
768 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_NOT_INITIALISED);
772 ret=p_surewarehk_Load_Privkey(msg,key_id,&hptr,&el,&keytype);
775 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_FAILED_LOADING_PRIVATE_KEY);
776 ERR_add_error_data(1,msg);
779 res=sureware_load_public(e,key_id,hptr,el,keytype);
784 static EVP_PKEY *surewarehk_load_pubkey(ENGINE *e, const char *key_id,
785 UI_METHOD *ui_method, void *callback_data)
787 EVP_PKEY *res = NULL;
792 char msg[64]="ENGINE_load_pubkey";
794 if(!p_surewarehk_Info_Pubkey)
796 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ENGINE_R_NOT_INITIALISED);
800 /* call once to identify if DSA or RSA */
801 ret=p_surewarehk_Info_Pubkey(msg,key_id,&el,&keytype);
804 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
805 ERR_add_error_data(1,msg);
808 res=sureware_load_public(e,key_id,hptr,el,keytype);
813 /* This cleans up an RSA/DSA KM key(do not destroy the key into the hardware)
814 , called when ex_data is freed */
815 static void surewarehk_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
816 int idx,long argl, void *argp)
818 if(!p_surewarehk_Free)
820 SUREWAREerr(SUREWARE_F_SUREWAREHK_EX_FREE,ENGINE_R_NOT_INITIALISED);
823 p_surewarehk_Free((char *)item,0);
827 /* not currently used (bug?) */
828 /* This cleans up an DH KM key (destroys the key into hardware),
829 called when ex_data is freed */
830 static void surewarehk_dh_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
831 int idx,long argl, void *argp)
833 if(!p_surewarehk_Free)
835 SUREWAREerr(SUREWARE_F_SUREWAREHK_EX_FREE,ENGINE_R_NOT_INITIALISED);
838 p_surewarehk_Free((char *)item,1);
843 * return number of decrypted bytes
845 #ifndef OPENSSL_NO_RSA
846 static int surewarehk_rsa_priv_dec(int flen,const unsigned char *from,unsigned char *to,
847 RSA *rsa,int padding)
850 char *buf=NULL,*hptr=NULL;
851 char msg[64]="ENGINE_rsa_priv_dec";
852 if (!p_surewarehk_Rsa_Priv_Dec)
854 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ENGINE_R_NOT_INITIALISED);
856 /* extract ref to private key */
857 else if (!(hptr=RSA_get_ex_data(rsa, rsaHndidx)))
859 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,SUREWARE_R_MISSING_KEY_COMPONENTS);
862 /* analyse what padding we can do into the hardware */
863 if (padding==RSA_PKCS1_PADDING)
866 ret=p_surewarehk_Rsa_Priv_Dec(msg,flen,(unsigned char *)from,&tlen,to,hptr,SUREWARE_PKCS1_PAD);
867 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ret);
872 else /* do with no padding into hardware */
874 ret=p_surewarehk_Rsa_Priv_Dec(msg,flen,(unsigned char *)from,&tlen,to,hptr,SUREWARE_NO_PAD);
875 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ret);
878 /* intermediate buffer for padding */
879 if ((buf=OPENSSL_malloc(tlen)) == NULL)
881 RSAerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ERR_R_MALLOC_FAILURE);
884 memcpy(buf,to,tlen);/* transfert to into buf */
885 switch (padding) /* check padding in software */
887 #ifndef OPENSSL_NO_SHA
888 case RSA_PKCS1_OAEP_PADDING:
889 ret=RSA_padding_check_PKCS1_OAEP(to,tlen,(unsigned char *)buf,tlen,tlen,NULL,0);
892 case RSA_SSLV23_PADDING:
893 ret=RSA_padding_check_SSLv23(to,tlen,(unsigned char *)buf,flen,tlen);
896 ret=RSA_padding_check_none(to,tlen,(unsigned char *)buf,flen,tlen);
899 RSAerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,RSA_R_UNKNOWN_PADDING_TYPE);
903 RSAerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,RSA_R_PADDING_CHECK_FAILED);
915 * Does what OpenSSL rsa_priv_enc does.
917 static int surewarehk_rsa_sign(int flen,const unsigned char *from,unsigned char *to,
918 RSA *rsa,int padding)
922 char msg[64]="ENGINE_rsa_sign";
923 if (!p_surewarehk_Rsa_Sign)
925 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_ENC,ENGINE_R_NOT_INITIALISED);
927 /* extract ref to private key */
928 else if (!(hptr=RSA_get_ex_data(rsa, rsaHndidx)))
930 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_ENC,SUREWARE_R_MISSING_KEY_COMPONENTS);
936 case RSA_PKCS1_PADDING: /* do it in one shot */
937 ret=p_surewarehk_Rsa_Sign(msg,flen,(unsigned char *)from,&tlen,to,hptr,SUREWARE_PKCS1_PAD);
938 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RSA_PRIV_ENC,ret);
942 RSAerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_ENC,RSA_R_UNKNOWN_PADDING_TYPE);
945 return ret==1 ? tlen : ret;
950 #ifndef OPENSSL_NO_DSA
951 /* DSA sign and verify */
952 static DSA_SIG * surewarehk_dsa_do_sign(const unsigned char *from, int flen, DSA *dsa)
957 char msg[64]="ENGINE_dsa_do_sign";
958 if (!p_surewarehk_Dsa_Sign)
960 SUREWAREerr(SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,ENGINE_R_NOT_INITIALISED);
962 /* extract ref to private key */
963 else if (!(hptr=DSA_get_ex_data(dsa, dsaHndidx)))
965 SUREWAREerr(SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,SUREWARE_R_MISSING_KEY_COMPONENTS);
969 if((psign = DSA_SIG_new()) == NULL)
971 SUREWAREerr(SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,ERR_R_MALLOC_FAILURE);
976 bn_expand2(psign->r, 20/sizeof(BN_ULONG));
977 bn_expand2(psign->s, 20/sizeof(BN_ULONG));
978 if (!psign->r || psign->r->dmax!=20/sizeof(BN_ULONG) ||
979 !psign->s || psign->s->dmax!=20/sizeof(BN_ULONG))
981 ret=p_surewarehk_Dsa_Sign(msg,flen,from,
982 (unsigned long *)psign->r->d,
983 (unsigned long *)psign->s->d,
985 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,ret);
987 psign->r->top=20/sizeof(BN_ULONG);
988 bn_fix_top(psign->r);
989 psign->s->top=20/sizeof(BN_ULONG);
990 bn_fix_top(psign->s);
1002 static int surewarehk_modexp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
1003 const BIGNUM *m, BN_CTX *ctx)
1006 char msg[64]="ENGINE_modexp";
1007 if (!p_surewarehk_Mod_Exp)
1009 SUREWAREerr(SUREWARE_F_SUREWAREHK_MOD_EXP,ENGINE_R_NOT_INITIALISED);
1013 bn_expand2(r,m->top);
1014 if (r && r->dmax==m->top)
1017 ret=p_surewarehk_Mod_Exp(msg,
1018 m->top*sizeof(BN_ULONG),
1019 (unsigned long *)m->d,
1020 p->top*sizeof(BN_ULONG),
1021 (unsigned long *)p->d,
1022 a->top*sizeof(BN_ULONG),
1023 (unsigned long *)a->d,
1024 (unsigned long *)r->d);
1025 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_MOD_EXP,ret);
1028 /* normalise result */
1036 #endif /* !OPENSSL_NO_HW_SureWare */
1037 #endif /* !OPENSSL_NO_HW */