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>
57 #include <openssl/dso.h>
60 #include <openssl/engine.h>
63 #ifndef OPENSSL_NO_HW_SUREWARE
68 #include "vendor_defns/sureware.h"
71 #define SUREWARE_LIB_NAME "sureware engine"
72 #include "hw_sureware_err.c"
74 static int surewarehk_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)());
75 static int surewarehk_destroy(ENGINE *e);
76 static int surewarehk_init(ENGINE *e);
77 static int surewarehk_finish(ENGINE *e);
78 static int surewarehk_modexp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
79 const BIGNUM *m, BN_CTX *ctx);
82 static int surewarehk_rsa_priv_dec(int flen,const unsigned char *from,unsigned char *to,
83 RSA *rsa,int padding);
84 static int surewarehk_rsa_sign(int flen,const unsigned char *from,unsigned char *to,
85 RSA *rsa,int padding);
88 static int surewarehk_rand_bytes(unsigned char *buf, int num);
89 static void surewarehk_rand_seed(const void *buf, int num);
90 static void surewarehk_rand_add(const void *buf, int num, double entropy);
93 static EVP_PKEY *surewarehk_load_privkey(ENGINE *e, const char *key_id,
94 UI_METHOD *ui_method, void *callback_data);
95 static EVP_PKEY *surewarehk_load_pubkey(ENGINE *e, const char *key_id,
96 UI_METHOD *ui_method, void *callback_data);
97 static void surewarehk_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
98 int index_,long argl, void *argp);
100 static void surewarehk_dh_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
101 int index_,long argl, void *argp);
104 #ifndef OPENSSL_NO_RSA
105 /* This function is aliased to mod_exp (with the mont stuff dropped). */
106 static int surewarehk_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
107 const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
109 return surewarehk_modexp(r, a, p, m, ctx);
112 /* Our internal RSA_METHOD that we provide pointers to */
113 static RSA_METHOD surewarehk_rsa =
115 "SureWare RSA method",
118 surewarehk_rsa_sign, /* our rsa_sign is OpenSSL priv_enc*/
119 surewarehk_rsa_priv_dec, /* priv_dec*/
121 surewarehk_mod_exp_mont, /*mod_exp_mongomery*/
126 NULL, /* OpenSSL sign*/
127 NULL /* OpenSSL verify*/
131 #ifndef OPENSSL_NO_DH
132 /* Our internal DH_METHOD that we provide pointers to */
133 /* This function is aliased to mod_exp (with the dh and mont dropped). */
134 static int surewarehk_modexp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a,
135 const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
137 return surewarehk_modexp(r, a, p, m, ctx);
140 static DH_METHOD surewarehk_dh =
142 "SureWare DH method",
145 surewarehk_modexp_dh, /*dh mod exp*/
153 static RAND_METHOD surewarehk_rand =
155 /* "SureWare RAND method", */
156 surewarehk_rand_seed,
157 surewarehk_rand_bytes,
160 surewarehk_rand_bytes,
164 #ifndef OPENSSL_NO_DSA
166 static DSA_SIG * surewarehk_dsa_do_sign(const unsigned char *dgst, int dlen, DSA *dsa);
167 static int surewarehk_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1,
168 BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m,
169 BN_CTX *ctx, BN_MONT_CTX *in_mont)
174 /* let rr = a1 ^ p1 mod m */
175 if (!surewarehk_modexp(rr,a1,p1,m,ctx)) goto end;
176 /* let t = a2 ^ p2 mod m */
177 if (!surewarehk_modexp(&t,a2,p2,m,ctx)) goto end;
178 /* let rr = rr * t mod m */
179 if (!BN_mod_mul(rr,rr,&t,m,ctx)) goto end;
186 static DSA_METHOD surewarehk_dsa =
188 "SureWare DSA method",
189 surewarehk_dsa_do_sign,
192 surewarehk_dsa_mod_exp,/*mod exp*/
201 static const char *engine_sureware_id = "sureware";
202 static const char *engine_sureware_name = "SureWare hardware engine support";
204 /* Now, to our own code */
206 /* As this is only ever called once, there's no need for locking
207 * (indeed - the lock will already be held by our caller!!!) */
208 static int bind_sureware(ENGINE *e)
210 #ifndef OPENSSL_NO_RSA
211 const RSA_METHOD *meth1;
213 #ifndef OPENSSL_NO_DSA
214 const DSA_METHOD *meth2;
216 #ifndef OPENSSL_NO_DH
217 const DH_METHOD *meth3;
220 if(!ENGINE_set_id(e, engine_sureware_id) ||
221 !ENGINE_set_name(e, engine_sureware_name) ||
222 #ifndef OPENSSL_NO_RSA
223 !ENGINE_set_RSA(e, &surewarehk_rsa) ||
225 #ifndef OPENSSL_NO_DSA
226 !ENGINE_set_DSA(e, &surewarehk_dsa) ||
228 #ifndef OPENSSL_NO_DH
229 !ENGINE_set_DH(e, &surewarehk_dh) ||
231 !ENGINE_set_RAND(e, &surewarehk_rand) ||
232 !ENGINE_set_destroy_function(e, surewarehk_destroy) ||
233 !ENGINE_set_init_function(e, surewarehk_init) ||
234 !ENGINE_set_finish_function(e, surewarehk_finish) ||
235 !ENGINE_set_ctrl_function(e, surewarehk_ctrl) ||
236 !ENGINE_set_load_privkey_function(e, surewarehk_load_privkey) ||
237 !ENGINE_set_load_pubkey_function(e, surewarehk_load_pubkey))
240 #ifndef OPENSSL_NO_RSA
241 /* We know that the "PKCS1_SSLeay()" functions hook properly
242 * to the cswift-specific mod_exp and mod_exp_crt so we use
243 * those functions. NB: We don't use ENGINE_openssl() or
244 * anything "more generic" because something like the RSAref
245 * code may not hook properly, and if you own one of these
246 * cards then you have the right to do RSA operations on it
248 meth1 = RSA_PKCS1_SSLeay();
251 surewarehk_rsa.rsa_pub_enc = meth1->rsa_pub_enc;
252 surewarehk_rsa.rsa_pub_dec = meth1->rsa_pub_dec;
256 #ifndef OPENSSL_NO_DSA
257 /* Use the DSA_OpenSSL() method and just hook the mod_exp-ish
259 meth2 = DSA_OpenSSL();
262 surewarehk_dsa.dsa_do_verify = meth2->dsa_do_verify;
266 #ifndef OPENSSL_NO_DH
267 /* Much the same for Diffie-Hellman */
268 meth3 = DH_OpenSSL();
271 surewarehk_dh.generate_key = meth3->generate_key;
272 surewarehk_dh.compute_key = meth3->compute_key;
276 /* Ensure the sureware error handling is set up */
277 ERR_load_SUREWARE_strings();
281 #ifdef ENGINE_DYNAMIC_SUPPORT
282 static int bind_helper(ENGINE *e, const char *id)
284 if(id && (strcmp(id, engine_sureware_id) != 0))
286 if(!bind_sureware(e))
290 IMPLEMENT_DYNAMIC_CHECK_FN()
291 IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
293 static ENGINE *engine_sureware(void)
295 ENGINE *ret = ENGINE_new();
298 if(!bind_sureware(ret))
306 void ENGINE_load_sureware(void)
308 /* Copied from eng_[openssl|dyn].c */
309 ENGINE *toadd = engine_sureware();
317 /* This is a process-global DSO handle used for loading and unloading
318 * the SureWareHook library. NB: This is only set (or unset) during an
319 * init() or finish() call (reference counts permitting) and they're
320 * operating with global locks, so this should be thread-safe
322 static DSO *surewarehk_dso = NULL;
323 #ifndef OPENSSL_NO_RSA
324 static int rsaHndidx = -1; /* Index for KM handle. Not really used yet. */
326 #ifndef OPENSSL_NO_DSA
327 static int dsaHndidx = -1; /* Index for KM handle. Not really used yet. */
330 /* These are the function pointers that are (un)set when the library has
331 * successfully (un)loaded. */
332 static SureWareHook_Init_t *p_surewarehk_Init = NULL;
333 static SureWareHook_Finish_t *p_surewarehk_Finish = NULL;
334 static SureWareHook_Rand_Bytes_t *p_surewarehk_Rand_Bytes = NULL;
335 static SureWareHook_Rand_Seed_t *p_surewarehk_Rand_Seed = NULL;
336 static SureWareHook_Load_Privkey_t *p_surewarehk_Load_Privkey = NULL;
337 static SureWareHook_Info_Pubkey_t *p_surewarehk_Info_Pubkey = NULL;
338 static SureWareHook_Load_Rsa_Pubkey_t *p_surewarehk_Load_Rsa_Pubkey = NULL;
339 static SureWareHook_Load_Dsa_Pubkey_t *p_surewarehk_Load_Dsa_Pubkey = NULL;
340 static SureWareHook_Free_t *p_surewarehk_Free=NULL;
341 static SureWareHook_Rsa_Priv_Dec_t *p_surewarehk_Rsa_Priv_Dec=NULL;
342 static SureWareHook_Rsa_Sign_t *p_surewarehk_Rsa_Sign=NULL;
343 static SureWareHook_Dsa_Sign_t *p_surewarehk_Dsa_Sign=NULL;
344 static SureWareHook_Mod_Exp_t *p_surewarehk_Mod_Exp=NULL;
346 /* Used in the DSO operations. */
347 static const char *surewarehk_LIBNAME = "SureWareHook";
348 static const char *n_surewarehk_Init = "SureWareHook_Init";
349 static const char *n_surewarehk_Finish = "SureWareHook_Finish";
350 static const char *n_surewarehk_Rand_Bytes="SureWareHook_Rand_Bytes";
351 static const char *n_surewarehk_Rand_Seed="SureWareHook_Rand_Seed";
352 static const char *n_surewarehk_Load_Privkey="SureWareHook_Load_Privkey";
353 static const char *n_surewarehk_Info_Pubkey="SureWareHook_Info_Pubkey";
354 static const char *n_surewarehk_Load_Rsa_Pubkey="SureWareHook_Load_Rsa_Pubkey";
355 static const char *n_surewarehk_Load_Dsa_Pubkey="SureWareHook_Load_Dsa_Pubkey";
356 static const char *n_surewarehk_Free="SureWareHook_Free";
357 static const char *n_surewarehk_Rsa_Priv_Dec="SureWareHook_Rsa_Priv_Dec";
358 static const char *n_surewarehk_Rsa_Sign="SureWareHook_Rsa_Sign";
359 static const char *n_surewarehk_Dsa_Sign="SureWareHook_Dsa_Sign";
360 static const char *n_surewarehk_Mod_Exp="SureWareHook_Mod_Exp";
361 static BIO *logstream = NULL;
363 /* SureWareHook library functions and mechanics - these are used by the
364 * higher-level functions further down. NB: As and where there's no
365 * error checking, take a look lower down where these functions are
366 * called, the checking and error handling is probably down there.
368 static int threadsafe=1;
369 static int surewarehk_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)())
375 case ENGINE_CTRL_SET_LOGSTREAM:
378 CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
384 if (CRYPTO_add(&bio->references,1,CRYPTO_LOCK_BIO) > 1)
387 SUREWAREerr(SUREWARE_F_SUREWAREHK_CTRL,SUREWARE_R_BIO_WAS_FREED);
389 CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
391 /* This will prevent the initialisation function from "installing"
392 * the mutex-handling callbacks, even if they are available from
393 * within the library (or were provided to the library from the
394 * calling application). This is to remove any baggage for
395 * applications not using multithreading. */
396 case ENGINE_CTRL_CHIL_NO_LOCKING:
397 CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
399 CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
402 /* The command isn't understood by this engine */
404 SUREWAREerr(SUREWARE_F_SUREWAREHK_CTRL,
405 ENGINE_R_CTRL_COMMAND_NOT_IMPLEMENTED);
413 /* Destructor (complements the "ENGINE_surewarehk()" constructor) */
414 static int surewarehk_destroy(ENGINE *e)
416 ERR_unload_SUREWARE_strings();
420 /* (de)initialisation functions. */
421 static int surewarehk_init(ENGINE *e)
423 char msg[64]="ENGINE_init";
424 SureWareHook_Init_t *p1=NULL;
425 SureWareHook_Finish_t *p2=NULL;
426 SureWareHook_Rand_Bytes_t *p3=NULL;
427 SureWareHook_Rand_Seed_t *p4=NULL;
428 SureWareHook_Load_Privkey_t *p5=NULL;
429 SureWareHook_Load_Rsa_Pubkey_t *p6=NULL;
430 SureWareHook_Free_t *p7=NULL;
431 SureWareHook_Rsa_Priv_Dec_t *p8=NULL;
432 SureWareHook_Rsa_Sign_t *p9=NULL;
433 SureWareHook_Dsa_Sign_t *p12=NULL;
434 SureWareHook_Info_Pubkey_t *p13=NULL;
435 SureWareHook_Load_Dsa_Pubkey_t *p14=NULL;
436 SureWareHook_Mod_Exp_t *p15=NULL;
438 if(surewarehk_dso != NULL)
440 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,ENGINE_R_ALREADY_LOADED);
443 /* Attempt to load libsurewarehk.so/surewarehk.dll/whatever. */
444 surewarehk_dso = DSO_load(NULL, surewarehk_LIBNAME, NULL, 0);
445 if(surewarehk_dso == NULL)
447 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,ENGINE_R_DSO_FAILURE);
450 if(!(p1=(SureWareHook_Init_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Init)) ||
451 !(p2=(SureWareHook_Finish_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Finish)) ||
452 !(p3=(SureWareHook_Rand_Bytes_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Rand_Bytes)) ||
453 !(p4=(SureWareHook_Rand_Seed_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Rand_Seed)) ||
454 !(p5=(SureWareHook_Load_Privkey_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Load_Privkey)) ||
455 !(p6=(SureWareHook_Load_Rsa_Pubkey_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Load_Rsa_Pubkey)) ||
456 !(p7=(SureWareHook_Free_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Free)) ||
457 !(p8=(SureWareHook_Rsa_Priv_Dec_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Rsa_Priv_Dec)) ||
458 !(p9=(SureWareHook_Rsa_Sign_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Rsa_Sign)) ||
459 !(p12=(SureWareHook_Dsa_Sign_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Dsa_Sign)) ||
460 !(p13=(SureWareHook_Info_Pubkey_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Info_Pubkey)) ||
461 !(p14=(SureWareHook_Load_Dsa_Pubkey_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Load_Dsa_Pubkey)) ||
462 !(p15=(SureWareHook_Mod_Exp_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Mod_Exp)))
464 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,ENGINE_R_DSO_FAILURE);
467 /* Copy the pointers */
468 p_surewarehk_Init = p1;
469 p_surewarehk_Finish = p2;
470 p_surewarehk_Rand_Bytes = p3;
471 p_surewarehk_Rand_Seed = p4;
472 p_surewarehk_Load_Privkey = p5;
473 p_surewarehk_Load_Rsa_Pubkey = p6;
474 p_surewarehk_Free = p7;
475 p_surewarehk_Rsa_Priv_Dec = p8;
476 p_surewarehk_Rsa_Sign = p9;
477 p_surewarehk_Dsa_Sign = p12;
478 p_surewarehk_Info_Pubkey = p13;
479 p_surewarehk_Load_Dsa_Pubkey = p14;
480 p_surewarehk_Mod_Exp = p15;
481 /* Contact the hardware and initialises it. */
482 if(p_surewarehk_Init(msg,threadsafe)==SUREWAREHOOK_ERROR_UNIT_FAILURE)
484 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,SUREWARE_R_UNIT_FAILURE);
487 if(p_surewarehk_Init(msg,threadsafe)==SUREWAREHOOK_ERROR_UNIT_FAILURE)
489 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,SUREWARE_R_UNIT_FAILURE);
492 /* try to load the default private key, if failed does not return a failure but
493 wait for an explicit ENGINE_load_privakey */
494 surewarehk_load_privkey(e,NULL,NULL,NULL);
496 /* Everything's fine. */
497 #ifndef OPENSSL_NO_RSA
499 rsaHndidx = RSA_get_ex_new_index(0,
500 "SureWareHook RSA key handle",
501 NULL, NULL, surewarehk_ex_free);
503 #ifndef OPENSSL_NO_DSA
505 dsaHndidx = DSA_get_ex_new_index(0,
506 "SureWareHook DSA key handle",
507 NULL, NULL, surewarehk_ex_free);
513 DSO_free(surewarehk_dso);
514 surewarehk_dso = NULL;
515 p_surewarehk_Init = NULL;
516 p_surewarehk_Finish = NULL;
517 p_surewarehk_Rand_Bytes = NULL;
518 p_surewarehk_Rand_Seed = NULL;
519 p_surewarehk_Load_Privkey = NULL;
520 p_surewarehk_Load_Rsa_Pubkey = NULL;
521 p_surewarehk_Free = NULL;
522 p_surewarehk_Rsa_Priv_Dec = NULL;
523 p_surewarehk_Rsa_Sign = NULL;
524 p_surewarehk_Dsa_Sign = NULL;
525 p_surewarehk_Info_Pubkey = NULL;
526 p_surewarehk_Load_Dsa_Pubkey = NULL;
527 p_surewarehk_Mod_Exp = NULL;
531 static int surewarehk_finish(ENGINE *e)
534 if(surewarehk_dso == NULL)
536 SUREWAREerr(SUREWARE_F_SUREWAREHK_FINISH,ENGINE_R_NOT_LOADED);
540 p_surewarehk_Finish();
541 if(!DSO_free(surewarehk_dso))
543 SUREWAREerr(SUREWARE_F_SUREWAREHK_FINISH,ENGINE_R_DSO_FAILURE);
550 surewarehk_dso = NULL;
551 p_surewarehk_Init = NULL;
552 p_surewarehk_Finish = NULL;
553 p_surewarehk_Rand_Bytes = NULL;
554 p_surewarehk_Rand_Seed = NULL;
555 p_surewarehk_Load_Privkey = NULL;
556 p_surewarehk_Load_Rsa_Pubkey = NULL;
557 p_surewarehk_Free = NULL;
558 p_surewarehk_Rsa_Priv_Dec = NULL;
559 p_surewarehk_Rsa_Sign = NULL;
560 p_surewarehk_Dsa_Sign = NULL;
561 p_surewarehk_Info_Pubkey = NULL;
562 p_surewarehk_Load_Dsa_Pubkey = NULL;
563 p_surewarehk_Mod_Exp = NULL;
567 static void surewarehk_error_handling(char *const msg,int func,int ret)
571 case SUREWAREHOOK_ERROR_UNIT_FAILURE:
572 ENGINEerr(func,SUREWARE_R_UNIT_FAILURE);
574 case SUREWAREHOOK_ERROR_FALLBACK:
575 ENGINEerr(func,SUREWARE_R_REQUEST_FALLBACK);
577 case SUREWAREHOOK_ERROR_DATA_SIZE:
578 ENGINEerr(func,SUREWARE_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
580 case SUREWAREHOOK_ERROR_INVALID_PAD:
581 ENGINEerr(func,RSA_R_PADDING_CHECK_FAILED);
584 ENGINEerr(func,SUREWARE_R_REQUEST_FAILED);
591 ERR_add_error_data(1,msg);
594 CRYPTO_w_lock(CRYPTO_LOCK_BIO);
595 BIO_write(logstream, msg, strlen(msg));
596 CRYPTO_w_unlock(CRYPTO_LOCK_BIO);
601 static int surewarehk_rand_bytes(unsigned char *buf, int num)
604 char msg[64]="ENGINE_rand_bytes";
605 if(!p_surewarehk_Rand_Bytes)
607 SUREWAREerr(SUREWARE_F_SUREWAREHK_RAND_BYTES,ENGINE_R_NOT_INITIALISED);
611 ret = p_surewarehk_Rand_Bytes(msg,buf, num);
612 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RAND_BYTES,ret);
614 return ret==1 ? 1 : 0;
617 static void surewarehk_rand_seed(const void *buf, int num)
620 char msg[64]="ENGINE_rand_seed";
621 if(!p_surewarehk_Rand_Seed)
623 SUREWAREerr(SUREWARE_F_SUREWAREHK_RAND_SEED,ENGINE_R_NOT_INITIALISED);
627 ret = p_surewarehk_Rand_Seed(msg,buf, num);
628 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RAND_SEED,ret);
632 static void surewarehk_rand_add(const void *buf, int num, double entropy)
634 surewarehk_rand_seed(buf,num);
637 static EVP_PKEY* sureware_load_public(ENGINE *e,const char *key_id,char *hptr,unsigned long el,char keytype)
639 EVP_PKEY *res = NULL;
640 #ifndef OPENSSL_NO_RSA
643 #ifndef OPENSSL_NO_DSA
646 char msg[64]="sureware_load_public";
648 if(!p_surewarehk_Load_Rsa_Pubkey || !p_surewarehk_Load_Dsa_Pubkey)
650 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ENGINE_R_NOT_INITIALISED);
655 #ifndef OPENSSL_NO_RSA
657 /* set private external reference */
658 rsatmp = RSA_new_method(e);
659 RSA_set_ex_data(rsatmp,rsaHndidx,hptr);
660 rsatmp->flags |= RSA_FLAG_EXT_PKEY;
662 /* set public big nums*/
663 rsatmp->e = BN_new();
664 rsatmp->n = BN_new();
665 bn_expand2(rsatmp->e, el/sizeof(BN_ULONG));
666 bn_expand2(rsatmp->n, el/sizeof(BN_ULONG));
667 if (!rsatmp->e || rsatmp->e->dmax!=(int)(el/sizeof(BN_ULONG))||
668 !rsatmp->n || rsatmp->n->dmax!=(int)(el/sizeof(BN_ULONG)))
670 ret=p_surewarehk_Load_Rsa_Pubkey(msg,key_id,el,
671 (unsigned long *)rsatmp->n->d,
672 (unsigned long *)rsatmp->e->d);
673 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ret);
676 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
679 /* normalise pub e and pub n */
680 rsatmp->e->top=el/sizeof(BN_ULONG);
681 bn_fix_top(rsatmp->e);
682 rsatmp->n->top=el/sizeof(BN_ULONG);
683 bn_fix_top(rsatmp->n);
684 /* create an EVP object: engine + rsa key */
685 res = EVP_PKEY_new();
686 EVP_PKEY_assign_RSA(res, rsatmp);
690 #ifndef OPENSSL_NO_DSA
692 /* set private/public external reference */
693 dsatmp = DSA_new_method(e);
694 DSA_set_ex_data(dsatmp,dsaHndidx,hptr);
695 /*dsatmp->flags |= DSA_FLAG_EXT_PKEY;*/
698 dsatmp->pub_key = BN_new();
699 dsatmp->p = BN_new();
700 dsatmp->q = BN_new();
701 dsatmp->g = BN_new();
702 bn_expand2(dsatmp->pub_key, el/sizeof(BN_ULONG));
703 bn_expand2(dsatmp->p, el/sizeof(BN_ULONG));
704 bn_expand2(dsatmp->q, 20/sizeof(BN_ULONG));
705 bn_expand2(dsatmp->g, el/sizeof(BN_ULONG));
706 if (!dsatmp->pub_key || dsatmp->pub_key->dmax!=(int)(el/sizeof(BN_ULONG))||
707 !dsatmp->p || dsatmp->p->dmax!=(int)(el/sizeof(BN_ULONG)) ||
708 !dsatmp->q || dsatmp->q->dmax!=20/sizeof(BN_ULONG) ||
709 !dsatmp->g || dsatmp->g->dmax!=(int)(el/sizeof(BN_ULONG)))
712 ret=p_surewarehk_Load_Dsa_Pubkey(msg,key_id,el,
713 (unsigned long *)dsatmp->pub_key->d,
714 (unsigned long *)dsatmp->p->d,
715 (unsigned long *)dsatmp->q->d,
716 (unsigned long *)dsatmp->g->d);
717 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ret);
720 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
724 /* normalise pubkey and parameters in case of */
725 dsatmp->pub_key->top=el/sizeof(BN_ULONG);
726 bn_fix_top(dsatmp->pub_key);
727 dsatmp->p->top=el/sizeof(BN_ULONG);
728 bn_fix_top(dsatmp->p);
729 dsatmp->q->top=20/sizeof(BN_ULONG);
730 bn_fix_top(dsatmp->q);
731 dsatmp->g->top=el/sizeof(BN_ULONG);
732 bn_fix_top(dsatmp->g);
734 /* create an EVP object: engine + rsa key */
735 res = EVP_PKEY_new();
736 EVP_PKEY_assign_DSA(res, dsatmp);
741 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_FAILED_LOADING_PRIVATE_KEY);
748 #ifndef OPENSSL_NO_RSA
752 #ifndef OPENSSL_NO_DSA
759 static EVP_PKEY *surewarehk_load_privkey(ENGINE *e, const char *key_id,
760 UI_METHOD *ui_method, void *callback_data)
762 EVP_PKEY *res = NULL;
767 char msg[64]="ENGINE_load_privkey";
769 if(!p_surewarehk_Load_Privkey)
771 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_NOT_INITIALISED);
775 ret=p_surewarehk_Load_Privkey(msg,key_id,&hptr,&el,&keytype);
778 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_FAILED_LOADING_PRIVATE_KEY);
779 ERR_add_error_data(1,msg);
782 res=sureware_load_public(e,key_id,hptr,el,keytype);
787 static EVP_PKEY *surewarehk_load_pubkey(ENGINE *e, const char *key_id,
788 UI_METHOD *ui_method, void *callback_data)
790 EVP_PKEY *res = NULL;
795 char msg[64]="ENGINE_load_pubkey";
797 if(!p_surewarehk_Info_Pubkey)
799 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ENGINE_R_NOT_INITIALISED);
803 /* call once to identify if DSA or RSA */
804 ret=p_surewarehk_Info_Pubkey(msg,key_id,&el,&keytype);
807 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
808 ERR_add_error_data(1,msg);
811 res=sureware_load_public(e,key_id,hptr,el,keytype);
816 /* This cleans up an RSA/DSA KM key(do not destroy the key into the hardware)
817 , called when ex_data is freed */
818 static void surewarehk_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
819 int index_,long argl, void *argp)
821 if(!p_surewarehk_Free)
823 SUREWAREerr(SUREWARE_F_SUREWAREHK_EX_FREE,ENGINE_R_NOT_INITIALISED);
826 p_surewarehk_Free((char *)item,0);
830 /* not currently used (bug?) */
831 /* This cleans up an DH KM key (destroys the key into hardware),
832 called when ex_data is freed */
833 static void surewarehk_dh_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
834 int index_,long argl, void *argp)
836 if(!p_surewarehk_Free)
838 SUREWAREerr(SUREWARE_F_SUREWAREHK_EX_FREE,ENGINE_R_NOT_INITIALISED);
841 p_surewarehk_Free((char *)item,1);
846 * return number of decrypted bytes
848 #ifndef OPENSSL_NO_RSA
849 static int surewarehk_rsa_priv_dec(int flen,const unsigned char *from,unsigned char *to,
850 RSA *rsa,int padding)
853 char *buf=NULL,*hptr=NULL;
854 char msg[64]="ENGINE_rsa_priv_dec";
855 if (!p_surewarehk_Rsa_Priv_Dec)
857 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ENGINE_R_NOT_INITIALISED);
859 /* extract ref to private key */
860 else if (!(hptr=RSA_get_ex_data(rsa, rsaHndidx)))
862 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,SUREWARE_R_MISSING_KEY_COMPONENTS);
865 /* analyse what padding we can do into the hardware */
866 if (padding==RSA_PKCS1_PADDING)
869 ret=p_surewarehk_Rsa_Priv_Dec(msg,flen,(unsigned char *)from,&tlen,to,hptr,SUREWARE_PKCS1_PAD);
870 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ret);
875 else /* do with no padding into hardware */
877 ret=p_surewarehk_Rsa_Priv_Dec(msg,flen,(unsigned char *)from,&tlen,to,hptr,SUREWARE_NO_PAD);
878 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ret);
881 /* intermediate buffer for padding */
882 if ((buf=OPENSSL_malloc(tlen)) == NULL)
884 RSAerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ERR_R_MALLOC_FAILURE);
887 memcpy(buf,to,tlen);/* transfert to into buf */
888 switch (padding) /* check padding in software */
890 #ifndef OPENSSL_NO_SHA
891 case RSA_PKCS1_OAEP_PADDING:
892 ret=RSA_padding_check_PKCS1_OAEP(to,tlen,(unsigned char *)buf,tlen,tlen,NULL,0);
895 case RSA_SSLV23_PADDING:
896 ret=RSA_padding_check_SSLv23(to,tlen,(unsigned char *)buf,flen,tlen);
899 ret=RSA_padding_check_none(to,tlen,(unsigned char *)buf,flen,tlen);
902 RSAerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,RSA_R_UNKNOWN_PADDING_TYPE);
906 RSAerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,RSA_R_PADDING_CHECK_FAILED);
918 * Does what OpenSSL rsa_priv_enc does.
920 static int surewarehk_rsa_sign(int flen,const unsigned char *from,unsigned char *to,
921 RSA *rsa,int padding)
925 char msg[64]="ENGINE_rsa_sign";
926 if (!p_surewarehk_Rsa_Sign)
928 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_ENC,ENGINE_R_NOT_INITIALISED);
930 /* extract ref to private key */
931 else if (!(hptr=RSA_get_ex_data(rsa, rsaHndidx)))
933 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_ENC,SUREWARE_R_MISSING_KEY_COMPONENTS);
939 case RSA_PKCS1_PADDING: /* do it in one shot */
940 ret=p_surewarehk_Rsa_Sign(msg,flen,(unsigned char *)from,&tlen,to,hptr,SUREWARE_PKCS1_PAD);
941 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RSA_PRIV_ENC,ret);
945 RSAerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_ENC,RSA_R_UNKNOWN_PADDING_TYPE);
948 return ret==1 ? tlen : ret;
953 #ifndef OPENSSL_NO_DSA
954 /* DSA sign and verify */
955 static DSA_SIG * surewarehk_dsa_do_sign(const unsigned char *from, int flen, DSA *dsa)
960 char msg[64]="ENGINE_dsa_do_sign";
961 if (!p_surewarehk_Dsa_Sign)
963 SUREWAREerr(SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,ENGINE_R_NOT_INITIALISED);
965 /* extract ref to private key */
966 else if (!(hptr=DSA_get_ex_data(dsa, dsaHndidx)))
968 SUREWAREerr(SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,SUREWARE_R_MISSING_KEY_COMPONENTS);
972 if((psign = DSA_SIG_new()) == NULL)
974 SUREWAREerr(SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,ERR_R_MALLOC_FAILURE);
979 bn_expand2(psign->r, 20/sizeof(BN_ULONG));
980 bn_expand2(psign->s, 20/sizeof(BN_ULONG));
981 if (!psign->r || psign->r->dmax!=20/sizeof(BN_ULONG) ||
982 !psign->s || psign->s->dmax!=20/sizeof(BN_ULONG))
984 ret=p_surewarehk_Dsa_Sign(msg,flen,from,
985 (unsigned long *)psign->r->d,
986 (unsigned long *)psign->s->d,
988 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,ret);
990 psign->r->top=20/sizeof(BN_ULONG);
991 bn_fix_top(psign->r);
992 psign->s->top=20/sizeof(BN_ULONG);
993 bn_fix_top(psign->s);
1005 static int surewarehk_modexp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
1006 const BIGNUM *m, BN_CTX *ctx)
1009 char msg[64]="ENGINE_modexp";
1010 if (!p_surewarehk_Mod_Exp)
1012 SUREWAREerr(SUREWARE_F_SUREWAREHK_MOD_EXP,ENGINE_R_NOT_INITIALISED);
1016 bn_expand2(r,m->top);
1017 if (r && r->dmax==m->top)
1020 ret=p_surewarehk_Mod_Exp(msg,
1021 m->top*sizeof(BN_ULONG),
1022 (unsigned long *)m->d,
1023 p->top*sizeof(BN_ULONG),
1024 (unsigned long *)p->d,
1025 a->top*sizeof(BN_ULONG),
1026 (unsigned long *)a->d,
1028 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_MOD_EXP,ret);
1031 /* normalise result */
1039 #endif /* !OPENSSL_NO_HW_SureWare */
1040 #endif /* !OPENSSL_NO_HW */