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>
61 #ifndef OPENSSL_NO_HW_SUREWARE
66 #include "vendor_defns/sureware.h"
69 #define SUREWARE_LIB_NAME "sureware engine"
70 #include "e_sureware_err.c"
72 static int surewarehk_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)());
73 static int surewarehk_destroy(ENGINE *e);
74 static int surewarehk_init(ENGINE *e);
75 static int surewarehk_finish(ENGINE *e);
76 static int surewarehk_modexp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
77 const BIGNUM *m, BN_CTX *ctx);
80 static int surewarehk_rsa_priv_dec(int flen,const unsigned char *from,unsigned char *to,
81 RSA *rsa,int padding);
82 static int surewarehk_rsa_sign(int flen,const unsigned char *from,unsigned char *to,
83 RSA *rsa,int padding);
86 static int surewarehk_rand_bytes(unsigned char *buf, int num);
87 static void surewarehk_rand_seed(const void *buf, int num);
88 static void surewarehk_rand_add(const void *buf, int num, double entropy);
91 static EVP_PKEY *surewarehk_load_privkey(ENGINE *e, const char *key_id,
92 UI_METHOD *ui_method, void *callback_data);
93 static EVP_PKEY *surewarehk_load_pubkey(ENGINE *e, const char *key_id,
94 UI_METHOD *ui_method, void *callback_data);
95 static void surewarehk_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
96 int idx,long argl, void *argp);
98 static void surewarehk_dh_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
99 int idx,long argl, void *argp);
102 #ifndef OPENSSL_NO_RSA
103 /* This function is aliased to mod_exp (with the mont stuff dropped). */
104 static int surewarehk_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
105 const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
107 return surewarehk_modexp(r, a, p, m, ctx);
110 /* Our internal RSA_METHOD that we provide pointers to */
111 static RSA_METHOD surewarehk_rsa =
113 "SureWare RSA method",
116 surewarehk_rsa_sign, /* our rsa_sign is OpenSSL priv_enc*/
117 surewarehk_rsa_priv_dec, /* priv_dec*/
119 surewarehk_mod_exp_mont, /*mod_exp_mongomery*/
124 NULL, /* OpenSSL sign*/
125 NULL /* OpenSSL verify*/
129 #ifndef OPENSSL_NO_DH
130 /* Our internal DH_METHOD that we provide pointers to */
131 /* This function is aliased to mod_exp (with the dh and mont dropped). */
132 static int surewarehk_modexp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a,
133 const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
135 return surewarehk_modexp(r, a, p, m, ctx);
138 static DH_METHOD surewarehk_dh =
140 "SureWare DH method",
143 surewarehk_modexp_dh, /*dh mod exp*/
151 static RAND_METHOD surewarehk_rand =
153 /* "SureWare RAND method", */
154 surewarehk_rand_seed,
155 surewarehk_rand_bytes,
158 surewarehk_rand_bytes,
162 #ifndef OPENSSL_NO_DSA
164 static DSA_SIG * surewarehk_dsa_do_sign(const unsigned char *dgst, int dlen, DSA *dsa);
165 static int surewarehk_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1,
166 BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m,
167 BN_CTX *ctx, BN_MONT_CTX *in_mont)
172 /* let rr = a1 ^ p1 mod m */
173 if (!surewarehk_modexp(rr,a1,p1,m,ctx)) goto end;
174 /* let t = a2 ^ p2 mod m */
175 if (!surewarehk_modexp(&t,a2,p2,m,ctx)) goto end;
176 /* let rr = rr * t mod m */
177 if (!BN_mod_mul(rr,rr,&t,m,ctx)) goto end;
184 static DSA_METHOD surewarehk_dsa =
186 "SureWare DSA method",
187 surewarehk_dsa_do_sign,
190 surewarehk_dsa_mod_exp,/*mod exp*/
199 static const char *engine_sureware_id = "sureware";
200 static const char *engine_sureware_name = "SureWare hardware engine support";
202 /* Now, to our own code */
204 /* As this is only ever called once, there's no need for locking
205 * (indeed - the lock will already be held by our caller!!!) */
206 static int bind_sureware(ENGINE *e)
208 #ifndef OPENSSL_NO_RSA
209 const RSA_METHOD *meth1;
211 #ifndef OPENSSL_NO_DSA
212 const DSA_METHOD *meth2;
214 #ifndef OPENSSL_NO_DH
215 const DH_METHOD *meth3;
218 if(!ENGINE_set_id(e, engine_sureware_id) ||
219 !ENGINE_set_name(e, engine_sureware_name) ||
220 #ifndef OPENSSL_NO_RSA
221 !ENGINE_set_RSA(e, &surewarehk_rsa) ||
223 #ifndef OPENSSL_NO_DSA
224 !ENGINE_set_DSA(e, &surewarehk_dsa) ||
226 #ifndef OPENSSL_NO_DH
227 !ENGINE_set_DH(e, &surewarehk_dh) ||
229 !ENGINE_set_RAND(e, &surewarehk_rand) ||
230 !ENGINE_set_destroy_function(e, surewarehk_destroy) ||
231 !ENGINE_set_init_function(e, surewarehk_init) ||
232 !ENGINE_set_finish_function(e, surewarehk_finish) ||
233 !ENGINE_set_ctrl_function(e, surewarehk_ctrl) ||
234 !ENGINE_set_load_privkey_function(e, surewarehk_load_privkey) ||
235 !ENGINE_set_load_pubkey_function(e, surewarehk_load_pubkey))
238 #ifndef OPENSSL_NO_RSA
239 /* We know that the "PKCS1_SSLeay()" functions hook properly
240 * to the cswift-specific mod_exp and mod_exp_crt so we use
241 * those functions. NB: We don't use ENGINE_openssl() or
242 * anything "more generic" because something like the RSAref
243 * code may not hook properly, and if you own one of these
244 * cards then you have the right to do RSA operations on it
246 meth1 = RSA_PKCS1_SSLeay();
249 surewarehk_rsa.rsa_pub_enc = meth1->rsa_pub_enc;
250 surewarehk_rsa.rsa_pub_dec = meth1->rsa_pub_dec;
254 #ifndef OPENSSL_NO_DSA
255 /* Use the DSA_OpenSSL() method and just hook the mod_exp-ish
257 meth2 = DSA_OpenSSL();
260 surewarehk_dsa.dsa_do_verify = meth2->dsa_do_verify;
264 #ifndef OPENSSL_NO_DH
265 /* Much the same for Diffie-Hellman */
266 meth3 = DH_OpenSSL();
269 surewarehk_dh.generate_key = meth3->generate_key;
270 surewarehk_dh.compute_key = meth3->compute_key;
274 /* Ensure the sureware error handling is set up */
275 ERR_load_SUREWARE_strings();
279 #ifndef OPENSSL_NO_DYNAMIC_ENGINE
280 static int bind_helper(ENGINE *e, const char *id)
282 if(id && (strcmp(id, engine_sureware_id) != 0))
284 if(!bind_sureware(e))
288 IMPLEMENT_DYNAMIC_CHECK_FN()
289 IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
291 static ENGINE *engine_sureware(void)
293 ENGINE *ret = ENGINE_new();
296 if(!bind_sureware(ret))
304 void ENGINE_load_sureware(void)
306 /* Copied from eng_[openssl|dyn].c */
307 ENGINE *toadd = engine_sureware();
315 /* This is a process-global DSO handle used for loading and unloading
316 * the SureWareHook library. NB: This is only set (or unset) during an
317 * init() or finish() call (reference counts permitting) and they're
318 * operating with global locks, so this should be thread-safe
320 static DSO *surewarehk_dso = NULL;
321 #ifndef OPENSSL_NO_RSA
322 static int rsaHndidx = -1; /* Index for KM handle. Not really used yet. */
324 #ifndef OPENSSL_NO_DSA
325 static int dsaHndidx = -1; /* Index for KM handle. Not really used yet. */
328 /* These are the function pointers that are (un)set when the library has
329 * successfully (un)loaded. */
330 static SureWareHook_Init_t *p_surewarehk_Init = NULL;
331 static SureWareHook_Finish_t *p_surewarehk_Finish = NULL;
332 static SureWareHook_Rand_Bytes_t *p_surewarehk_Rand_Bytes = NULL;
333 static SureWareHook_Rand_Seed_t *p_surewarehk_Rand_Seed = NULL;
334 static SureWareHook_Load_Privkey_t *p_surewarehk_Load_Privkey = NULL;
335 static SureWareHook_Info_Pubkey_t *p_surewarehk_Info_Pubkey = NULL;
336 static SureWareHook_Load_Rsa_Pubkey_t *p_surewarehk_Load_Rsa_Pubkey = NULL;
337 static SureWareHook_Load_Dsa_Pubkey_t *p_surewarehk_Load_Dsa_Pubkey = NULL;
338 static SureWareHook_Free_t *p_surewarehk_Free=NULL;
339 static SureWareHook_Rsa_Priv_Dec_t *p_surewarehk_Rsa_Priv_Dec=NULL;
340 static SureWareHook_Rsa_Sign_t *p_surewarehk_Rsa_Sign=NULL;
341 static SureWareHook_Dsa_Sign_t *p_surewarehk_Dsa_Sign=NULL;
342 static SureWareHook_Mod_Exp_t *p_surewarehk_Mod_Exp=NULL;
344 /* Used in the DSO operations. */
345 static const char *surewarehk_LIBNAME = "SureWareHook";
346 static const char *n_surewarehk_Init = "SureWareHook_Init";
347 static const char *n_surewarehk_Finish = "SureWareHook_Finish";
348 static const char *n_surewarehk_Rand_Bytes="SureWareHook_Rand_Bytes";
349 static const char *n_surewarehk_Rand_Seed="SureWareHook_Rand_Seed";
350 static const char *n_surewarehk_Load_Privkey="SureWareHook_Load_Privkey";
351 static const char *n_surewarehk_Info_Pubkey="SureWareHook_Info_Pubkey";
352 static const char *n_surewarehk_Load_Rsa_Pubkey="SureWareHook_Load_Rsa_Pubkey";
353 static const char *n_surewarehk_Load_Dsa_Pubkey="SureWareHook_Load_Dsa_Pubkey";
354 static const char *n_surewarehk_Free="SureWareHook_Free";
355 static const char *n_surewarehk_Rsa_Priv_Dec="SureWareHook_Rsa_Priv_Dec";
356 static const char *n_surewarehk_Rsa_Sign="SureWareHook_Rsa_Sign";
357 static const char *n_surewarehk_Dsa_Sign="SureWareHook_Dsa_Sign";
358 static const char *n_surewarehk_Mod_Exp="SureWareHook_Mod_Exp";
359 static BIO *logstream = NULL;
361 /* SureWareHook library functions and mechanics - these are used by the
362 * higher-level functions further down. NB: As and where there's no
363 * error checking, take a look lower down where these functions are
364 * called, the checking and error handling is probably down there.
366 static int threadsafe=1;
367 static int surewarehk_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)())
373 case ENGINE_CTRL_SET_LOGSTREAM:
376 CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
382 if (CRYPTO_add(&bio->references,1,CRYPTO_LOCK_BIO) > 1)
385 SUREWAREerr(SUREWARE_F_SUREWAREHK_CTRL,SUREWARE_R_BIO_WAS_FREED);
387 CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
389 /* This will prevent the initialisation function from "installing"
390 * the mutex-handling callbacks, even if they are available from
391 * within the library (or were provided to the library from the
392 * calling application). This is to remove any baggage for
393 * applications not using multithreading. */
394 case ENGINE_CTRL_CHIL_NO_LOCKING:
395 CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
397 CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
400 /* The command isn't understood by this engine */
402 SUREWAREerr(SUREWARE_F_SUREWAREHK_CTRL,
403 ENGINE_R_CTRL_COMMAND_NOT_IMPLEMENTED);
411 /* Destructor (complements the "ENGINE_surewarehk()" constructor) */
412 static int surewarehk_destroy(ENGINE *e)
414 ERR_unload_SUREWARE_strings();
418 /* (de)initialisation functions. */
419 static int surewarehk_init(ENGINE *e)
421 char msg[64]="ENGINE_init";
422 SureWareHook_Init_t *p1=NULL;
423 SureWareHook_Finish_t *p2=NULL;
424 SureWareHook_Rand_Bytes_t *p3=NULL;
425 SureWareHook_Rand_Seed_t *p4=NULL;
426 SureWareHook_Load_Privkey_t *p5=NULL;
427 SureWareHook_Load_Rsa_Pubkey_t *p6=NULL;
428 SureWareHook_Free_t *p7=NULL;
429 SureWareHook_Rsa_Priv_Dec_t *p8=NULL;
430 SureWareHook_Rsa_Sign_t *p9=NULL;
431 SureWareHook_Dsa_Sign_t *p12=NULL;
432 SureWareHook_Info_Pubkey_t *p13=NULL;
433 SureWareHook_Load_Dsa_Pubkey_t *p14=NULL;
434 SureWareHook_Mod_Exp_t *p15=NULL;
436 if(surewarehk_dso != NULL)
438 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,ENGINE_R_ALREADY_LOADED);
441 /* Attempt to load libsurewarehk.so/surewarehk.dll/whatever. */
442 surewarehk_dso = DSO_load(NULL, surewarehk_LIBNAME, NULL, 0);
443 if(surewarehk_dso == NULL)
445 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,ENGINE_R_DSO_FAILURE);
448 if(!(p1=(SureWareHook_Init_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Init)) ||
449 !(p2=(SureWareHook_Finish_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Finish)) ||
450 !(p3=(SureWareHook_Rand_Bytes_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Rand_Bytes)) ||
451 !(p4=(SureWareHook_Rand_Seed_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Rand_Seed)) ||
452 !(p5=(SureWareHook_Load_Privkey_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Load_Privkey)) ||
453 !(p6=(SureWareHook_Load_Rsa_Pubkey_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Load_Rsa_Pubkey)) ||
454 !(p7=(SureWareHook_Free_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Free)) ||
455 !(p8=(SureWareHook_Rsa_Priv_Dec_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Rsa_Priv_Dec)) ||
456 !(p9=(SureWareHook_Rsa_Sign_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Rsa_Sign)) ||
457 !(p12=(SureWareHook_Dsa_Sign_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Dsa_Sign)) ||
458 !(p13=(SureWareHook_Info_Pubkey_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Info_Pubkey)) ||
459 !(p14=(SureWareHook_Load_Dsa_Pubkey_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Load_Dsa_Pubkey)) ||
460 !(p15=(SureWareHook_Mod_Exp_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Mod_Exp)))
462 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,ENGINE_R_DSO_FAILURE);
465 /* Copy the pointers */
466 p_surewarehk_Init = p1;
467 p_surewarehk_Finish = p2;
468 p_surewarehk_Rand_Bytes = p3;
469 p_surewarehk_Rand_Seed = p4;
470 p_surewarehk_Load_Privkey = p5;
471 p_surewarehk_Load_Rsa_Pubkey = p6;
472 p_surewarehk_Free = p7;
473 p_surewarehk_Rsa_Priv_Dec = p8;
474 p_surewarehk_Rsa_Sign = p9;
475 p_surewarehk_Dsa_Sign = p12;
476 p_surewarehk_Info_Pubkey = p13;
477 p_surewarehk_Load_Dsa_Pubkey = p14;
478 p_surewarehk_Mod_Exp = p15;
479 /* Contact the hardware and initialises it. */
480 if(p_surewarehk_Init(msg,threadsafe)==SUREWAREHOOK_ERROR_UNIT_FAILURE)
482 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,SUREWARE_R_UNIT_FAILURE);
485 if(p_surewarehk_Init(msg,threadsafe)==SUREWAREHOOK_ERROR_UNIT_FAILURE)
487 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,SUREWARE_R_UNIT_FAILURE);
490 /* try to load the default private key, if failed does not return a failure but
491 wait for an explicit ENGINE_load_privakey */
492 surewarehk_load_privkey(e,NULL,NULL,NULL);
494 /* Everything's fine. */
495 #ifndef OPENSSL_NO_RSA
497 rsaHndidx = RSA_get_ex_new_index(0,
498 "SureWareHook RSA key handle",
499 NULL, NULL, surewarehk_ex_free);
501 #ifndef OPENSSL_NO_DSA
503 dsaHndidx = DSA_get_ex_new_index(0,
504 "SureWareHook DSA key handle",
505 NULL, NULL, surewarehk_ex_free);
511 DSO_free(surewarehk_dso);
512 surewarehk_dso = NULL;
513 p_surewarehk_Init = NULL;
514 p_surewarehk_Finish = NULL;
515 p_surewarehk_Rand_Bytes = NULL;
516 p_surewarehk_Rand_Seed = NULL;
517 p_surewarehk_Load_Privkey = NULL;
518 p_surewarehk_Load_Rsa_Pubkey = NULL;
519 p_surewarehk_Free = NULL;
520 p_surewarehk_Rsa_Priv_Dec = NULL;
521 p_surewarehk_Rsa_Sign = NULL;
522 p_surewarehk_Dsa_Sign = NULL;
523 p_surewarehk_Info_Pubkey = NULL;
524 p_surewarehk_Load_Dsa_Pubkey = NULL;
525 p_surewarehk_Mod_Exp = NULL;
529 static int surewarehk_finish(ENGINE *e)
532 if(surewarehk_dso == NULL)
534 SUREWAREerr(SUREWARE_F_SUREWAREHK_FINISH,ENGINE_R_NOT_LOADED);
538 p_surewarehk_Finish();
539 if(!DSO_free(surewarehk_dso))
541 SUREWAREerr(SUREWARE_F_SUREWAREHK_FINISH,ENGINE_R_DSO_FAILURE);
548 surewarehk_dso = NULL;
549 p_surewarehk_Init = NULL;
550 p_surewarehk_Finish = NULL;
551 p_surewarehk_Rand_Bytes = NULL;
552 p_surewarehk_Rand_Seed = NULL;
553 p_surewarehk_Load_Privkey = NULL;
554 p_surewarehk_Load_Rsa_Pubkey = NULL;
555 p_surewarehk_Free = NULL;
556 p_surewarehk_Rsa_Priv_Dec = NULL;
557 p_surewarehk_Rsa_Sign = NULL;
558 p_surewarehk_Dsa_Sign = NULL;
559 p_surewarehk_Info_Pubkey = NULL;
560 p_surewarehk_Load_Dsa_Pubkey = NULL;
561 p_surewarehk_Mod_Exp = NULL;
565 static void surewarehk_error_handling(char *const msg,int func,int ret)
569 case SUREWAREHOOK_ERROR_UNIT_FAILURE:
570 ENGINEerr(func,SUREWARE_R_UNIT_FAILURE);
572 case SUREWAREHOOK_ERROR_FALLBACK:
573 ENGINEerr(func,SUREWARE_R_REQUEST_FALLBACK);
575 case SUREWAREHOOK_ERROR_DATA_SIZE:
576 ENGINEerr(func,SUREWARE_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
578 case SUREWAREHOOK_ERROR_INVALID_PAD:
579 ENGINEerr(func,RSA_R_PADDING_CHECK_FAILED);
582 ENGINEerr(func,SUREWARE_R_REQUEST_FAILED);
589 ERR_add_error_data(1,msg);
592 CRYPTO_w_lock(CRYPTO_LOCK_BIO);
593 BIO_write(logstream, msg, strlen(msg));
594 CRYPTO_w_unlock(CRYPTO_LOCK_BIO);
599 static int surewarehk_rand_bytes(unsigned char *buf, int num)
602 char msg[64]="ENGINE_rand_bytes";
603 if(!p_surewarehk_Rand_Bytes)
605 SUREWAREerr(SUREWARE_F_SUREWAREHK_RAND_BYTES,ENGINE_R_NOT_INITIALISED);
609 ret = p_surewarehk_Rand_Bytes(msg,buf, num);
610 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RAND_BYTES,ret);
612 return ret==1 ? 1 : 0;
615 static void surewarehk_rand_seed(const void *buf, int num)
618 char msg[64]="ENGINE_rand_seed";
619 if(!p_surewarehk_Rand_Seed)
621 SUREWAREerr(SUREWARE_F_SUREWAREHK_RAND_SEED,ENGINE_R_NOT_INITIALISED);
625 ret = p_surewarehk_Rand_Seed(msg,buf, num);
626 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RAND_SEED,ret);
630 static void surewarehk_rand_add(const void *buf, int num, double entropy)
632 surewarehk_rand_seed(buf,num);
635 static EVP_PKEY* sureware_load_public(ENGINE *e,const char *key_id,char *hptr,unsigned long el,char keytype)
637 EVP_PKEY *res = NULL;
638 #ifndef OPENSSL_NO_RSA
641 #ifndef OPENSSL_NO_DSA
644 char msg[64]="sureware_load_public";
646 if(!p_surewarehk_Load_Rsa_Pubkey || !p_surewarehk_Load_Dsa_Pubkey)
648 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ENGINE_R_NOT_INITIALISED);
653 #ifndef OPENSSL_NO_RSA
655 /* set private external reference */
656 rsatmp = RSA_new_method(e);
657 RSA_set_ex_data(rsatmp,rsaHndidx,hptr);
658 rsatmp->flags |= RSA_FLAG_EXT_PKEY;
660 /* set public big nums*/
661 rsatmp->e = BN_new();
662 rsatmp->n = BN_new();
663 bn_expand2(rsatmp->e, el/sizeof(BN_ULONG));
664 bn_expand2(rsatmp->n, el/sizeof(BN_ULONG));
665 if (!rsatmp->e || rsatmp->e->dmax!=(int)(el/sizeof(BN_ULONG))||
666 !rsatmp->n || rsatmp->n->dmax!=(int)(el/sizeof(BN_ULONG)))
668 ret=p_surewarehk_Load_Rsa_Pubkey(msg,key_id,el,
669 (unsigned long *)rsatmp->n->d,
670 (unsigned long *)rsatmp->e->d);
671 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ret);
674 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
677 /* normalise pub e and pub n */
678 rsatmp->e->top=el/sizeof(BN_ULONG);
679 bn_fix_top(rsatmp->e);
680 rsatmp->n->top=el/sizeof(BN_ULONG);
681 bn_fix_top(rsatmp->n);
682 /* create an EVP object: engine + rsa key */
683 res = EVP_PKEY_new();
684 EVP_PKEY_assign_RSA(res, rsatmp);
688 #ifndef OPENSSL_NO_DSA
690 /* set private/public external reference */
691 dsatmp = DSA_new_method(e);
692 DSA_set_ex_data(dsatmp,dsaHndidx,hptr);
693 /*dsatmp->flags |= DSA_FLAG_EXT_PKEY;*/
696 dsatmp->pub_key = BN_new();
697 dsatmp->p = BN_new();
698 dsatmp->q = BN_new();
699 dsatmp->g = BN_new();
700 bn_expand2(dsatmp->pub_key, el/sizeof(BN_ULONG));
701 bn_expand2(dsatmp->p, el/sizeof(BN_ULONG));
702 bn_expand2(dsatmp->q, 20/sizeof(BN_ULONG));
703 bn_expand2(dsatmp->g, el/sizeof(BN_ULONG));
704 if (!dsatmp->pub_key || dsatmp->pub_key->dmax!=(int)(el/sizeof(BN_ULONG))||
705 !dsatmp->p || dsatmp->p->dmax!=(int)(el/sizeof(BN_ULONG)) ||
706 !dsatmp->q || dsatmp->q->dmax!=20/sizeof(BN_ULONG) ||
707 !dsatmp->g || dsatmp->g->dmax!=(int)(el/sizeof(BN_ULONG)))
710 ret=p_surewarehk_Load_Dsa_Pubkey(msg,key_id,el,
711 (unsigned long *)dsatmp->pub_key->d,
712 (unsigned long *)dsatmp->p->d,
713 (unsigned long *)dsatmp->q->d,
714 (unsigned long *)dsatmp->g->d);
715 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ret);
718 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
722 /* normalise pubkey and parameters in case of */
723 dsatmp->pub_key->top=el/sizeof(BN_ULONG);
724 bn_fix_top(dsatmp->pub_key);
725 dsatmp->p->top=el/sizeof(BN_ULONG);
726 bn_fix_top(dsatmp->p);
727 dsatmp->q->top=20/sizeof(BN_ULONG);
728 bn_fix_top(dsatmp->q);
729 dsatmp->g->top=el/sizeof(BN_ULONG);
730 bn_fix_top(dsatmp->g);
732 /* create an EVP object: engine + rsa key */
733 res = EVP_PKEY_new();
734 EVP_PKEY_assign_DSA(res, dsatmp);
739 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_FAILED_LOADING_PRIVATE_KEY);
746 #ifndef OPENSSL_NO_RSA
750 #ifndef OPENSSL_NO_DSA
757 static EVP_PKEY *surewarehk_load_privkey(ENGINE *e, const char *key_id,
758 UI_METHOD *ui_method, void *callback_data)
760 EVP_PKEY *res = NULL;
765 char msg[64]="ENGINE_load_privkey";
767 if(!p_surewarehk_Load_Privkey)
769 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_NOT_INITIALISED);
773 ret=p_surewarehk_Load_Privkey(msg,key_id,&hptr,&el,&keytype);
776 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_FAILED_LOADING_PRIVATE_KEY);
777 ERR_add_error_data(1,msg);
780 res=sureware_load_public(e,key_id,hptr,el,keytype);
785 static EVP_PKEY *surewarehk_load_pubkey(ENGINE *e, const char *key_id,
786 UI_METHOD *ui_method, void *callback_data)
788 EVP_PKEY *res = NULL;
793 char msg[64]="ENGINE_load_pubkey";
795 if(!p_surewarehk_Info_Pubkey)
797 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ENGINE_R_NOT_INITIALISED);
801 /* call once to identify if DSA or RSA */
802 ret=p_surewarehk_Info_Pubkey(msg,key_id,&el,&keytype);
805 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
806 ERR_add_error_data(1,msg);
809 res=sureware_load_public(e,key_id,hptr,el,keytype);
814 /* This cleans up an RSA/DSA KM key(do not destroy the key into the hardware)
815 , called when ex_data is freed */
816 static void surewarehk_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
817 int idx,long argl, void *argp)
819 if(!p_surewarehk_Free)
821 SUREWAREerr(SUREWARE_F_SUREWAREHK_EX_FREE,ENGINE_R_NOT_INITIALISED);
824 p_surewarehk_Free((char *)item,0);
828 /* not currently used (bug?) */
829 /* This cleans up an DH KM key (destroys the key into hardware),
830 called when ex_data is freed */
831 static void surewarehk_dh_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,1);
844 * return number of decrypted bytes
846 #ifndef OPENSSL_NO_RSA
847 static int surewarehk_rsa_priv_dec(int flen,const unsigned char *from,unsigned char *to,
848 RSA *rsa,int padding)
851 char *buf=NULL,*hptr=NULL;
852 char msg[64]="ENGINE_rsa_priv_dec";
853 if (!p_surewarehk_Rsa_Priv_Dec)
855 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ENGINE_R_NOT_INITIALISED);
857 /* extract ref to private key */
858 else if (!(hptr=RSA_get_ex_data(rsa, rsaHndidx)))
860 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,SUREWARE_R_MISSING_KEY_COMPONENTS);
863 /* analyse what padding we can do into the hardware */
864 if (padding==RSA_PKCS1_PADDING)
867 ret=p_surewarehk_Rsa_Priv_Dec(msg,flen,(unsigned char *)from,&tlen,to,hptr,SUREWARE_PKCS1_PAD);
868 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ret);
873 else /* do with no padding into hardware */
875 ret=p_surewarehk_Rsa_Priv_Dec(msg,flen,(unsigned char *)from,&tlen,to,hptr,SUREWARE_NO_PAD);
876 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ret);
879 /* intermediate buffer for padding */
880 if ((buf=OPENSSL_malloc(tlen)) == NULL)
882 RSAerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ERR_R_MALLOC_FAILURE);
885 memcpy(buf,to,tlen);/* transfert to into buf */
886 switch (padding) /* check padding in software */
888 #ifndef OPENSSL_NO_SHA
889 case RSA_PKCS1_OAEP_PADDING:
890 ret=RSA_padding_check_PKCS1_OAEP(to,tlen,(unsigned char *)buf,tlen,tlen,NULL,0);
893 case RSA_SSLV23_PADDING:
894 ret=RSA_padding_check_SSLv23(to,tlen,(unsigned char *)buf,flen,tlen);
897 ret=RSA_padding_check_none(to,tlen,(unsigned char *)buf,flen,tlen);
900 RSAerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,RSA_R_UNKNOWN_PADDING_TYPE);
904 RSAerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,RSA_R_PADDING_CHECK_FAILED);
916 * Does what OpenSSL rsa_priv_enc does.
918 static int surewarehk_rsa_sign(int flen,const unsigned char *from,unsigned char *to,
919 RSA *rsa,int padding)
923 char msg[64]="ENGINE_rsa_sign";
924 if (!p_surewarehk_Rsa_Sign)
926 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_ENC,ENGINE_R_NOT_INITIALISED);
928 /* extract ref to private key */
929 else if (!(hptr=RSA_get_ex_data(rsa, rsaHndidx)))
931 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_ENC,SUREWARE_R_MISSING_KEY_COMPONENTS);
937 case RSA_PKCS1_PADDING: /* do it in one shot */
938 ret=p_surewarehk_Rsa_Sign(msg,flen,(unsigned char *)from,&tlen,to,hptr,SUREWARE_PKCS1_PAD);
939 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RSA_PRIV_ENC,ret);
943 RSAerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_ENC,RSA_R_UNKNOWN_PADDING_TYPE);
946 return ret==1 ? tlen : ret;
951 #ifndef OPENSSL_NO_DSA
952 /* DSA sign and verify */
953 static DSA_SIG * surewarehk_dsa_do_sign(const unsigned char *from, int flen, DSA *dsa)
958 char msg[64]="ENGINE_dsa_do_sign";
959 if (!p_surewarehk_Dsa_Sign)
961 SUREWAREerr(SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,ENGINE_R_NOT_INITIALISED);
963 /* extract ref to private key */
964 else if (!(hptr=DSA_get_ex_data(dsa, dsaHndidx)))
966 SUREWAREerr(SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,SUREWARE_R_MISSING_KEY_COMPONENTS);
970 if((psign = DSA_SIG_new()) == NULL)
972 SUREWAREerr(SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,ERR_R_MALLOC_FAILURE);
977 bn_expand2(psign->r, 20/sizeof(BN_ULONG));
978 bn_expand2(psign->s, 20/sizeof(BN_ULONG));
979 if (!psign->r || psign->r->dmax!=20/sizeof(BN_ULONG) ||
980 !psign->s || psign->s->dmax!=20/sizeof(BN_ULONG))
982 ret=p_surewarehk_Dsa_Sign(msg,flen,from,
983 (unsigned long *)psign->r->d,
984 (unsigned long *)psign->s->d,
986 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,ret);
988 psign->r->top=20/sizeof(BN_ULONG);
989 bn_fix_top(psign->r);
990 psign->s->top=20/sizeof(BN_ULONG);
991 bn_fix_top(psign->s);
1003 static int surewarehk_modexp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
1004 const BIGNUM *m, BN_CTX *ctx)
1007 char msg[64]="ENGINE_modexp";
1008 if (!p_surewarehk_Mod_Exp)
1010 SUREWAREerr(SUREWARE_F_SUREWAREHK_MOD_EXP,ENGINE_R_NOT_INITIALISED);
1014 bn_expand2(r,m->top);
1015 if (r && r->dmax==m->top)
1018 ret=p_surewarehk_Mod_Exp(msg,
1019 m->top*sizeof(BN_ULONG),
1020 (unsigned long *)m->d,
1021 p->top*sizeof(BN_ULONG),
1022 (unsigned long *)p->d,
1023 a->top*sizeof(BN_ULONG),
1024 (unsigned long *)a->d,
1025 (unsigned long *)r->d);
1026 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_MOD_EXP,ret);
1029 /* normalise result */
1037 #endif /* !OPENSSL_NO_HW_SureWare */
1038 #endif /* !OPENSSL_NO_HW */