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>
63 #include <openssl/bn.h>
66 #ifndef OPENSSL_NO_HW_SUREWARE
71 #include "vendor_defns/sureware.h"
74 #define SUREWARE_LIB_NAME "sureware engine"
75 #include "e_sureware_err.c"
77 static int surewarehk_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void));
78 static int surewarehk_destroy(ENGINE *e);
79 static int surewarehk_init(ENGINE *e);
80 static int surewarehk_finish(ENGINE *e);
81 static int surewarehk_modexp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
82 const BIGNUM *m, BN_CTX *ctx);
85 static int surewarehk_rsa_priv_dec(int flen,const unsigned char *from,unsigned char *to,
86 RSA *rsa,int padding);
87 static int surewarehk_rsa_sign(int flen,const unsigned char *from,unsigned char *to,
88 RSA *rsa,int padding);
91 static int surewarehk_rand_bytes(unsigned char *buf, int num);
92 static void surewarehk_rand_seed(const void *buf, int num);
93 static void surewarehk_rand_add(const void *buf, int num, double entropy);
96 static EVP_PKEY *surewarehk_load_privkey(ENGINE *e, const char *key_id,
97 UI_METHOD *ui_method, void *callback_data);
98 static EVP_PKEY *surewarehk_load_pubkey(ENGINE *e, const char *key_id,
99 UI_METHOD *ui_method, void *callback_data);
100 static void surewarehk_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
101 int idx,long argl, void *argp);
103 static void surewarehk_dh_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
104 int idx,long argl, void *argp);
107 #ifndef OPENSSL_NO_RSA
108 /* This function is aliased to mod_exp (with the mont stuff dropped). */
109 static int surewarehk_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
110 const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
112 return surewarehk_modexp(r, a, p, m, ctx);
115 /* Our internal RSA_METHOD that we provide pointers to */
116 static RSA_METHOD surewarehk_rsa =
118 "SureWare RSA method",
121 surewarehk_rsa_sign, /* our rsa_sign is OpenSSL priv_enc*/
122 surewarehk_rsa_priv_dec, /* priv_dec*/
124 surewarehk_mod_exp_mont, /*mod_exp_mongomery*/
129 NULL, /* OpenSSL sign*/
130 NULL, /* OpenSSL verify*/
135 #ifndef OPENSSL_NO_DH
136 /* Our internal DH_METHOD that we provide pointers to */
137 /* This function is aliased to mod_exp (with the dh and mont dropped). */
138 static int surewarehk_modexp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a,
139 const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
141 return surewarehk_modexp(r, a, p, m, ctx);
144 static DH_METHOD surewarehk_dh =
146 "SureWare DH method",
149 surewarehk_modexp_dh, /*dh mod exp*/
158 static RAND_METHOD surewarehk_rand =
160 /* "SureWare RAND method", */
161 surewarehk_rand_seed,
162 surewarehk_rand_bytes,
165 surewarehk_rand_bytes,
169 #ifndef OPENSSL_NO_DSA
171 static DSA_SIG * surewarehk_dsa_do_sign(const unsigned char *dgst, int dlen, DSA *dsa);
172 static int surewarehk_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1,
173 BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m,
174 BN_CTX *ctx, BN_MONT_CTX *in_mont)
179 /* let rr = a1 ^ p1 mod m */
180 if (!surewarehk_modexp(rr,a1,p1,m,ctx)) goto end;
181 /* let t = a2 ^ p2 mod m */
182 if (!surewarehk_modexp(&t,a2,p2,m,ctx)) goto end;
183 /* let rr = rr * t mod m */
184 if (!BN_mod_mul(rr,rr,&t,m,ctx)) goto end;
191 static DSA_METHOD surewarehk_dsa =
193 "SureWare DSA method",
194 surewarehk_dsa_do_sign,
197 surewarehk_dsa_mod_exp,/*mod exp*/
208 static const char *engine_sureware_id = "sureware";
209 static const char *engine_sureware_name = "SureWare hardware engine support";
211 /* Now, to our own code */
213 /* As this is only ever called once, there's no need for locking
214 * (indeed - the lock will already be held by our caller!!!) */
215 static int bind_sureware(ENGINE *e)
217 #ifndef OPENSSL_NO_RSA
218 const RSA_METHOD *meth1;
220 #ifndef OPENSSL_NO_DSA
221 const DSA_METHOD *meth2;
223 #ifndef OPENSSL_NO_DH
224 const DH_METHOD *meth3;
227 if(!ENGINE_set_id(e, engine_sureware_id) ||
228 !ENGINE_set_name(e, engine_sureware_name) ||
229 #ifndef OPENSSL_NO_RSA
230 !ENGINE_set_RSA(e, &surewarehk_rsa) ||
232 #ifndef OPENSSL_NO_DSA
233 !ENGINE_set_DSA(e, &surewarehk_dsa) ||
235 #ifndef OPENSSL_NO_DH
236 !ENGINE_set_DH(e, &surewarehk_dh) ||
238 !ENGINE_set_RAND(e, &surewarehk_rand) ||
239 !ENGINE_set_destroy_function(e, surewarehk_destroy) ||
240 !ENGINE_set_init_function(e, surewarehk_init) ||
241 !ENGINE_set_finish_function(e, surewarehk_finish) ||
242 !ENGINE_set_ctrl_function(e, surewarehk_ctrl) ||
243 !ENGINE_set_load_privkey_function(e, surewarehk_load_privkey) ||
244 !ENGINE_set_load_pubkey_function(e, surewarehk_load_pubkey))
247 #ifndef OPENSSL_NO_RSA
248 /* We know that the "PKCS1_SSLeay()" functions hook properly
249 * to the cswift-specific mod_exp and mod_exp_crt so we use
250 * those functions. NB: We don't use ENGINE_openssl() or
251 * anything "more generic" because something like the RSAref
252 * code may not hook properly, and if you own one of these
253 * cards then you have the right to do RSA operations on it
255 meth1 = RSA_PKCS1_SSLeay();
258 surewarehk_rsa.rsa_pub_enc = meth1->rsa_pub_enc;
259 surewarehk_rsa.rsa_pub_dec = meth1->rsa_pub_dec;
263 #ifndef OPENSSL_NO_DSA
264 /* Use the DSA_OpenSSL() method and just hook the mod_exp-ish
266 meth2 = DSA_OpenSSL();
269 surewarehk_dsa.dsa_do_verify = meth2->dsa_do_verify;
273 #ifndef OPENSSL_NO_DH
274 /* Much the same for Diffie-Hellman */
275 meth3 = DH_OpenSSL();
278 surewarehk_dh.generate_key = meth3->generate_key;
279 surewarehk_dh.compute_key = meth3->compute_key;
283 /* Ensure the sureware error handling is set up */
284 ERR_load_SUREWARE_strings();
288 #ifndef OPENSSL_NO_DYNAMIC_ENGINE
289 static int bind_helper(ENGINE *e, const char *id)
291 if(id && (strcmp(id, engine_sureware_id) != 0))
293 if(!bind_sureware(e))
297 IMPLEMENT_DYNAMIC_CHECK_FN()
298 IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
300 static ENGINE *engine_sureware(void)
302 ENGINE *ret = ENGINE_new();
305 if(!bind_sureware(ret))
313 void ENGINE_load_sureware(void)
315 /* Copied from eng_[openssl|dyn].c */
316 ENGINE *toadd = engine_sureware();
324 /* This is a process-global DSO handle used for loading and unloading
325 * the SureWareHook library. NB: This is only set (or unset) during an
326 * init() or finish() call (reference counts permitting) and they're
327 * operating with global locks, so this should be thread-safe
329 static DSO *surewarehk_dso = NULL;
330 #ifndef OPENSSL_NO_RSA
331 static int rsaHndidx = -1; /* Index for KM handle. Not really used yet. */
333 #ifndef OPENSSL_NO_DSA
334 static int dsaHndidx = -1; /* Index for KM handle. Not really used yet. */
337 /* These are the function pointers that are (un)set when the library has
338 * successfully (un)loaded. */
339 static SureWareHook_Init_t *p_surewarehk_Init = NULL;
340 static SureWareHook_Finish_t *p_surewarehk_Finish = NULL;
341 static SureWareHook_Rand_Bytes_t *p_surewarehk_Rand_Bytes = NULL;
342 static SureWareHook_Rand_Seed_t *p_surewarehk_Rand_Seed = NULL;
343 static SureWareHook_Load_Privkey_t *p_surewarehk_Load_Privkey = NULL;
344 static SureWareHook_Info_Pubkey_t *p_surewarehk_Info_Pubkey = NULL;
345 static SureWareHook_Load_Rsa_Pubkey_t *p_surewarehk_Load_Rsa_Pubkey = NULL;
346 static SureWareHook_Load_Dsa_Pubkey_t *p_surewarehk_Load_Dsa_Pubkey = NULL;
347 static SureWareHook_Free_t *p_surewarehk_Free=NULL;
348 static SureWareHook_Rsa_Priv_Dec_t *p_surewarehk_Rsa_Priv_Dec=NULL;
349 static SureWareHook_Rsa_Sign_t *p_surewarehk_Rsa_Sign=NULL;
350 static SureWareHook_Dsa_Sign_t *p_surewarehk_Dsa_Sign=NULL;
351 static SureWareHook_Mod_Exp_t *p_surewarehk_Mod_Exp=NULL;
353 /* Used in the DSO operations. */
354 static const char *surewarehk_LIBNAME = "SureWareHook";
355 static const char *n_surewarehk_Init = "SureWareHook_Init";
356 static const char *n_surewarehk_Finish = "SureWareHook_Finish";
357 static const char *n_surewarehk_Rand_Bytes="SureWareHook_Rand_Bytes";
358 static const char *n_surewarehk_Rand_Seed="SureWareHook_Rand_Seed";
359 static const char *n_surewarehk_Load_Privkey="SureWareHook_Load_Privkey";
360 static const char *n_surewarehk_Info_Pubkey="SureWareHook_Info_Pubkey";
361 static const char *n_surewarehk_Load_Rsa_Pubkey="SureWareHook_Load_Rsa_Pubkey";
362 static const char *n_surewarehk_Load_Dsa_Pubkey="SureWareHook_Load_Dsa_Pubkey";
363 static const char *n_surewarehk_Free="SureWareHook_Free";
364 static const char *n_surewarehk_Rsa_Priv_Dec="SureWareHook_Rsa_Priv_Dec";
365 static const char *n_surewarehk_Rsa_Sign="SureWareHook_Rsa_Sign";
366 static const char *n_surewarehk_Dsa_Sign="SureWareHook_Dsa_Sign";
367 static const char *n_surewarehk_Mod_Exp="SureWareHook_Mod_Exp";
368 static BIO *logstream = NULL;
370 /* SureWareHook library functions and mechanics - these are used by the
371 * higher-level functions further down. NB: As and where there's no
372 * error checking, take a look lower down where these functions are
373 * called, the checking and error handling is probably down there.
375 static int threadsafe=1;
376 static int surewarehk_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void))
382 case ENGINE_CTRL_SET_LOGSTREAM:
385 CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
391 if (CRYPTO_add(&bio->references,1,CRYPTO_LOCK_BIO) > 1)
394 SUREWAREerr(SUREWARE_F_SUREWAREHK_CTRL,SUREWARE_R_BIO_WAS_FREED);
396 CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
398 /* This will prevent the initialisation function from "installing"
399 * the mutex-handling callbacks, even if they are available from
400 * within the library (or were provided to the library from the
401 * calling application). This is to remove any baggage for
402 * applications not using multithreading. */
403 case ENGINE_CTRL_CHIL_NO_LOCKING:
404 CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
406 CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
409 /* The command isn't understood by this engine */
411 SUREWAREerr(SUREWARE_F_SUREWAREHK_CTRL,
412 ENGINE_R_CTRL_COMMAND_NOT_IMPLEMENTED);
420 /* Destructor (complements the "ENGINE_surewarehk()" constructor) */
421 static int surewarehk_destroy(ENGINE *e)
423 ERR_unload_SUREWARE_strings();
427 /* (de)initialisation functions. */
428 static int surewarehk_init(ENGINE *e)
430 char msg[64]="ENGINE_init";
431 SureWareHook_Init_t *p1=NULL;
432 SureWareHook_Finish_t *p2=NULL;
433 SureWareHook_Rand_Bytes_t *p3=NULL;
434 SureWareHook_Rand_Seed_t *p4=NULL;
435 SureWareHook_Load_Privkey_t *p5=NULL;
436 SureWareHook_Load_Rsa_Pubkey_t *p6=NULL;
437 SureWareHook_Free_t *p7=NULL;
438 SureWareHook_Rsa_Priv_Dec_t *p8=NULL;
439 SureWareHook_Rsa_Sign_t *p9=NULL;
440 SureWareHook_Dsa_Sign_t *p12=NULL;
441 SureWareHook_Info_Pubkey_t *p13=NULL;
442 SureWareHook_Load_Dsa_Pubkey_t *p14=NULL;
443 SureWareHook_Mod_Exp_t *p15=NULL;
445 if(surewarehk_dso != NULL)
447 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,ENGINE_R_ALREADY_LOADED);
450 /* Attempt to load libsurewarehk.so/surewarehk.dll/whatever. */
451 surewarehk_dso = DSO_load(NULL, surewarehk_LIBNAME, NULL, 0);
452 if(surewarehk_dso == NULL)
454 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,ENGINE_R_DSO_FAILURE);
457 if(!(p1=(SureWareHook_Init_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Init)) ||
458 !(p2=(SureWareHook_Finish_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Finish)) ||
459 !(p3=(SureWareHook_Rand_Bytes_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Rand_Bytes)) ||
460 !(p4=(SureWareHook_Rand_Seed_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Rand_Seed)) ||
461 !(p5=(SureWareHook_Load_Privkey_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Load_Privkey)) ||
462 !(p6=(SureWareHook_Load_Rsa_Pubkey_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Load_Rsa_Pubkey)) ||
463 !(p7=(SureWareHook_Free_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Free)) ||
464 !(p8=(SureWareHook_Rsa_Priv_Dec_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Rsa_Priv_Dec)) ||
465 !(p9=(SureWareHook_Rsa_Sign_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Rsa_Sign)) ||
466 !(p12=(SureWareHook_Dsa_Sign_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Dsa_Sign)) ||
467 !(p13=(SureWareHook_Info_Pubkey_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Info_Pubkey)) ||
468 !(p14=(SureWareHook_Load_Dsa_Pubkey_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Load_Dsa_Pubkey)) ||
469 !(p15=(SureWareHook_Mod_Exp_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Mod_Exp)))
471 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,ENGINE_R_DSO_FAILURE);
474 /* Copy the pointers */
475 p_surewarehk_Init = p1;
476 p_surewarehk_Finish = p2;
477 p_surewarehk_Rand_Bytes = p3;
478 p_surewarehk_Rand_Seed = p4;
479 p_surewarehk_Load_Privkey = p5;
480 p_surewarehk_Load_Rsa_Pubkey = p6;
481 p_surewarehk_Free = p7;
482 p_surewarehk_Rsa_Priv_Dec = p8;
483 p_surewarehk_Rsa_Sign = p9;
484 p_surewarehk_Dsa_Sign = p12;
485 p_surewarehk_Info_Pubkey = p13;
486 p_surewarehk_Load_Dsa_Pubkey = p14;
487 p_surewarehk_Mod_Exp = p15;
488 /* Contact the hardware and initialises it. */
489 if(p_surewarehk_Init(msg,threadsafe)==SUREWAREHOOK_ERROR_UNIT_FAILURE)
491 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,SUREWARE_R_UNIT_FAILURE);
494 if(p_surewarehk_Init(msg,threadsafe)==SUREWAREHOOK_ERROR_UNIT_FAILURE)
496 SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,SUREWARE_R_UNIT_FAILURE);
499 /* try to load the default private key, if failed does not return a failure but
500 wait for an explicit ENGINE_load_privakey */
501 surewarehk_load_privkey(e,NULL,NULL,NULL);
503 /* Everything's fine. */
504 #ifndef OPENSSL_NO_RSA
506 rsaHndidx = RSA_get_ex_new_index(0,
507 "SureWareHook RSA key handle",
508 NULL, NULL, surewarehk_ex_free);
510 #ifndef OPENSSL_NO_DSA
512 dsaHndidx = DSA_get_ex_new_index(0,
513 "SureWareHook DSA key handle",
514 NULL, NULL, surewarehk_ex_free);
520 DSO_free(surewarehk_dso);
521 surewarehk_dso = NULL;
522 p_surewarehk_Init = NULL;
523 p_surewarehk_Finish = NULL;
524 p_surewarehk_Rand_Bytes = NULL;
525 p_surewarehk_Rand_Seed = NULL;
526 p_surewarehk_Load_Privkey = NULL;
527 p_surewarehk_Load_Rsa_Pubkey = NULL;
528 p_surewarehk_Free = NULL;
529 p_surewarehk_Rsa_Priv_Dec = NULL;
530 p_surewarehk_Rsa_Sign = NULL;
531 p_surewarehk_Dsa_Sign = NULL;
532 p_surewarehk_Info_Pubkey = NULL;
533 p_surewarehk_Load_Dsa_Pubkey = NULL;
534 p_surewarehk_Mod_Exp = NULL;
538 static int surewarehk_finish(ENGINE *e)
541 if(surewarehk_dso == NULL)
543 SUREWAREerr(SUREWARE_F_SUREWAREHK_FINISH,ENGINE_R_NOT_LOADED);
547 p_surewarehk_Finish();
548 if(!DSO_free(surewarehk_dso))
550 SUREWAREerr(SUREWARE_F_SUREWAREHK_FINISH,ENGINE_R_DSO_FAILURE);
557 surewarehk_dso = NULL;
558 p_surewarehk_Init = NULL;
559 p_surewarehk_Finish = NULL;
560 p_surewarehk_Rand_Bytes = NULL;
561 p_surewarehk_Rand_Seed = NULL;
562 p_surewarehk_Load_Privkey = NULL;
563 p_surewarehk_Load_Rsa_Pubkey = NULL;
564 p_surewarehk_Free = NULL;
565 p_surewarehk_Rsa_Priv_Dec = NULL;
566 p_surewarehk_Rsa_Sign = NULL;
567 p_surewarehk_Dsa_Sign = NULL;
568 p_surewarehk_Info_Pubkey = NULL;
569 p_surewarehk_Load_Dsa_Pubkey = NULL;
570 p_surewarehk_Mod_Exp = NULL;
574 static void surewarehk_error_handling(char *const msg,int func,int ret)
578 case SUREWAREHOOK_ERROR_UNIT_FAILURE:
579 ENGINEerr(func,SUREWARE_R_UNIT_FAILURE);
581 case SUREWAREHOOK_ERROR_FALLBACK:
582 ENGINEerr(func,SUREWARE_R_REQUEST_FALLBACK);
584 case SUREWAREHOOK_ERROR_DATA_SIZE:
585 ENGINEerr(func,SUREWARE_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
587 case SUREWAREHOOK_ERROR_INVALID_PAD:
588 ENGINEerr(func,SUREWARE_R_PADDING_CHECK_FAILED);
591 ENGINEerr(func,SUREWARE_R_REQUEST_FAILED);
598 ERR_add_error_data(1,msg);
601 CRYPTO_w_lock(CRYPTO_LOCK_BIO);
602 BIO_write(logstream, msg, strlen(msg));
603 CRYPTO_w_unlock(CRYPTO_LOCK_BIO);
608 static int surewarehk_rand_bytes(unsigned char *buf, int num)
611 char msg[64]="ENGINE_rand_bytes";
612 if(!p_surewarehk_Rand_Bytes)
614 SUREWAREerr(SUREWARE_F_SUREWAREHK_RAND_BYTES,ENGINE_R_NOT_INITIALISED);
618 ret = p_surewarehk_Rand_Bytes(msg,buf, num);
619 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RAND_BYTES,ret);
621 return ret==1 ? 1 : 0;
624 static void surewarehk_rand_seed(const void *buf, int num)
627 char msg[64]="ENGINE_rand_seed";
628 if(!p_surewarehk_Rand_Seed)
630 SUREWAREerr(SUREWARE_F_SUREWAREHK_RAND_SEED,ENGINE_R_NOT_INITIALISED);
634 ret = p_surewarehk_Rand_Seed(msg,buf, num);
635 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RAND_SEED,ret);
639 static void surewarehk_rand_add(const void *buf, int num, double entropy)
641 surewarehk_rand_seed(buf,num);
644 static EVP_PKEY* sureware_load_public(ENGINE *e,const char *key_id,char *hptr,unsigned long el,char keytype)
646 EVP_PKEY *res = NULL;
647 #ifndef OPENSSL_NO_RSA
650 #ifndef OPENSSL_NO_DSA
653 char msg[64]="sureware_load_public";
655 if(!p_surewarehk_Load_Rsa_Pubkey || !p_surewarehk_Load_Dsa_Pubkey)
657 SUREWAREerr(SUREWARE_F_SUREWARE_LOAD_PUBLIC,ENGINE_R_NOT_INITIALISED);
662 #ifndef OPENSSL_NO_RSA
664 /* set private external reference */
665 rsatmp = RSA_new_method(e);
666 RSA_set_ex_data(rsatmp,rsaHndidx,hptr);
667 rsatmp->flags |= RSA_FLAG_EXT_PKEY;
669 /* set public big nums*/
670 rsatmp->e = BN_new();
671 rsatmp->n = BN_new();
672 bn_expand2(rsatmp->e, el/sizeof(BN_ULONG));
673 bn_expand2(rsatmp->n, el/sizeof(BN_ULONG));
674 if (!rsatmp->e || rsatmp->e->dmax!=(int)(el/sizeof(BN_ULONG))||
675 !rsatmp->n || rsatmp->n->dmax!=(int)(el/sizeof(BN_ULONG)))
677 ret=p_surewarehk_Load_Rsa_Pubkey(msg,key_id,el,
678 (unsigned long *)rsatmp->n->d,
679 (unsigned long *)rsatmp->e->d);
680 surewarehk_error_handling(msg,SUREWARE_F_SUREWARE_LOAD_PUBLIC,ret);
683 SUREWAREerr(SUREWARE_F_SUREWARE_LOAD_PUBLIC,ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
686 /* normalise pub e and pub n */
687 rsatmp->e->top=el/sizeof(BN_ULONG);
688 bn_fix_top(rsatmp->e);
689 rsatmp->n->top=el/sizeof(BN_ULONG);
690 bn_fix_top(rsatmp->n);
691 /* create an EVP object: engine + rsa key */
692 res = EVP_PKEY_new();
693 EVP_PKEY_assign_RSA(res, rsatmp);
697 #ifndef OPENSSL_NO_DSA
699 /* set private/public external reference */
700 dsatmp = DSA_new_method(e);
701 DSA_set_ex_data(dsatmp,dsaHndidx,hptr);
702 /*dsatmp->flags |= DSA_FLAG_EXT_PKEY;*/
705 dsatmp->pub_key = BN_new();
706 dsatmp->p = BN_new();
707 dsatmp->q = BN_new();
708 dsatmp->g = BN_new();
709 bn_expand2(dsatmp->pub_key, el/sizeof(BN_ULONG));
710 bn_expand2(dsatmp->p, el/sizeof(BN_ULONG));
711 bn_expand2(dsatmp->q, 20/sizeof(BN_ULONG));
712 bn_expand2(dsatmp->g, el/sizeof(BN_ULONG));
713 if (!dsatmp->pub_key || dsatmp->pub_key->dmax!=(int)(el/sizeof(BN_ULONG))||
714 !dsatmp->p || dsatmp->p->dmax!=(int)(el/sizeof(BN_ULONG)) ||
715 !dsatmp->q || dsatmp->q->dmax!=20/sizeof(BN_ULONG) ||
716 !dsatmp->g || dsatmp->g->dmax!=(int)(el/sizeof(BN_ULONG)))
719 ret=p_surewarehk_Load_Dsa_Pubkey(msg,key_id,el,
720 (unsigned long *)dsatmp->pub_key->d,
721 (unsigned long *)dsatmp->p->d,
722 (unsigned long *)dsatmp->q->d,
723 (unsigned long *)dsatmp->g->d);
724 surewarehk_error_handling(msg,SUREWARE_F_SUREWARE_LOAD_PUBLIC,ret);
727 SUREWAREerr(SUREWARE_F_SUREWARE_LOAD_PUBLIC,ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
731 /* normalise pubkey and parameters in case of */
732 dsatmp->pub_key->top=el/sizeof(BN_ULONG);
733 bn_fix_top(dsatmp->pub_key);
734 dsatmp->p->top=el/sizeof(BN_ULONG);
735 bn_fix_top(dsatmp->p);
736 dsatmp->q->top=20/sizeof(BN_ULONG);
737 bn_fix_top(dsatmp->q);
738 dsatmp->g->top=el/sizeof(BN_ULONG);
739 bn_fix_top(dsatmp->g);
741 /* create an EVP object: engine + rsa key */
742 res = EVP_PKEY_new();
743 EVP_PKEY_assign_DSA(res, dsatmp);
748 SUREWAREerr(SUREWARE_F_SUREWARE_LOAD_PUBLIC,ENGINE_R_FAILED_LOADING_PRIVATE_KEY);
755 #ifndef OPENSSL_NO_RSA
759 #ifndef OPENSSL_NO_DSA
766 static EVP_PKEY *surewarehk_load_privkey(ENGINE *e, const char *key_id,
767 UI_METHOD *ui_method, void *callback_data)
769 EVP_PKEY *res = NULL;
774 char msg[64]="ENGINE_load_privkey";
776 if(!p_surewarehk_Load_Privkey)
778 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVKEY,ENGINE_R_NOT_INITIALISED);
782 ret=p_surewarehk_Load_Privkey(msg,key_id,&hptr,&el,&keytype);
785 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVKEY,ENGINE_R_FAILED_LOADING_PRIVATE_KEY);
786 ERR_add_error_data(1,msg);
789 res=sureware_load_public(e,key_id,hptr,el,keytype);
794 static EVP_PKEY *surewarehk_load_pubkey(ENGINE *e, const char *key_id,
795 UI_METHOD *ui_method, void *callback_data)
797 EVP_PKEY *res = NULL;
802 char msg[64]="ENGINE_load_pubkey";
804 if(!p_surewarehk_Info_Pubkey)
806 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PUBKEY,ENGINE_R_NOT_INITIALISED);
810 /* call once to identify if DSA or RSA */
811 ret=p_surewarehk_Info_Pubkey(msg,key_id,&el,&keytype);
814 SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PUBKEY,ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
815 ERR_add_error_data(1,msg);
818 res=sureware_load_public(e,key_id,hptr,el,keytype);
823 /* This cleans up an RSA/DSA KM key(do not destroy the key into the hardware)
824 , called when ex_data is freed */
825 static void surewarehk_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
826 int idx,long argl, void *argp)
828 if(!p_surewarehk_Free)
830 SUREWAREerr(SUREWARE_F_SUREWAREHK_EX_FREE,ENGINE_R_NOT_INITIALISED);
833 p_surewarehk_Free((char *)item,0);
837 /* not currently used (bug?) */
838 /* This cleans up an DH KM key (destroys the key into hardware),
839 called when ex_data is freed */
840 static void surewarehk_dh_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
841 int idx,long argl, void *argp)
843 if(!p_surewarehk_Free)
845 SUREWAREerr(SUREWARE_F_SUREWAREHK_DH_EX_FREE,ENGINE_R_NOT_INITIALISED);
848 p_surewarehk_Free((char *)item,1);
853 * return number of decrypted bytes
855 #ifndef OPENSSL_NO_RSA
856 static int surewarehk_rsa_priv_dec(int flen,const unsigned char *from,unsigned char *to,
857 RSA *rsa,int padding)
860 char *buf=NULL,*hptr=NULL;
861 char msg[64]="ENGINE_rsa_priv_dec";
862 if (!p_surewarehk_Rsa_Priv_Dec)
864 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ENGINE_R_NOT_INITIALISED);
866 /* extract ref to private key */
867 else if (!(hptr=RSA_get_ex_data(rsa, rsaHndidx)))
869 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,SUREWARE_R_MISSING_KEY_COMPONENTS);
872 /* analyse what padding we can do into the hardware */
873 if (padding==RSA_PKCS1_PADDING)
876 ret=p_surewarehk_Rsa_Priv_Dec(msg,flen,(unsigned char *)from,&tlen,to,hptr,SUREWARE_PKCS1_PAD);
877 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ret);
882 else /* do with no padding into hardware */
884 ret=p_surewarehk_Rsa_Priv_Dec(msg,flen,(unsigned char *)from,&tlen,to,hptr,SUREWARE_NO_PAD);
885 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ret);
888 /* intermediate buffer for padding */
889 if ((buf=OPENSSL_malloc(tlen)) == NULL)
891 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ERR_R_MALLOC_FAILURE);
894 memcpy(buf,to,tlen);/* transfert to into buf */
895 switch (padding) /* check padding in software */
897 #ifndef OPENSSL_NO_SHA
898 case RSA_PKCS1_OAEP_PADDING:
899 ret=RSA_padding_check_PKCS1_OAEP(to,tlen,(unsigned char *)buf,tlen,tlen,NULL,0);
902 case RSA_SSLV23_PADDING:
903 ret=RSA_padding_check_SSLv23(to,tlen,(unsigned char *)buf,flen,tlen);
906 ret=RSA_padding_check_none(to,tlen,(unsigned char *)buf,flen,tlen);
909 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,SUREWARE_R_UNKNOWN_PADDING_TYPE);
913 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,SUREWARE_R_PADDING_CHECK_FAILED);
918 OPENSSL_cleanse(buf,tlen);
925 * Does what OpenSSL rsa_priv_enc does.
927 static int surewarehk_rsa_sign(int flen,const unsigned char *from,unsigned char *to,
928 RSA *rsa,int padding)
932 char msg[64]="ENGINE_rsa_sign";
933 if (!p_surewarehk_Rsa_Sign)
935 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_SIGN,ENGINE_R_NOT_INITIALISED);
937 /* extract ref to private key */
938 else if (!(hptr=RSA_get_ex_data(rsa, rsaHndidx)))
940 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_SIGN,SUREWARE_R_MISSING_KEY_COMPONENTS);
946 case RSA_PKCS1_PADDING: /* do it in one shot */
947 ret=p_surewarehk_Rsa_Sign(msg,flen,(unsigned char *)from,&tlen,to,hptr,SUREWARE_PKCS1_PAD);
948 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RSA_SIGN,ret);
952 SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_SIGN,SUREWARE_R_UNKNOWN_PADDING_TYPE);
955 return ret==1 ? tlen : ret;
960 #ifndef OPENSSL_NO_DSA
961 /* DSA sign and verify */
962 static DSA_SIG * surewarehk_dsa_do_sign(const unsigned char *from, int flen, DSA *dsa)
967 char msg[64]="ENGINE_dsa_do_sign";
968 if (!p_surewarehk_Dsa_Sign)
970 SUREWAREerr(SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,ENGINE_R_NOT_INITIALISED);
972 /* extract ref to private key */
973 else if (!(hptr=DSA_get_ex_data(dsa, dsaHndidx)))
975 SUREWAREerr(SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,SUREWARE_R_MISSING_KEY_COMPONENTS);
979 if((psign = DSA_SIG_new()) == NULL)
981 SUREWAREerr(SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,ERR_R_MALLOC_FAILURE);
986 bn_expand2(psign->r, 20/sizeof(BN_ULONG));
987 bn_expand2(psign->s, 20/sizeof(BN_ULONG));
988 if (!psign->r || psign->r->dmax!=20/sizeof(BN_ULONG) ||
989 !psign->s || psign->s->dmax!=20/sizeof(BN_ULONG))
991 ret=p_surewarehk_Dsa_Sign(msg,flen,from,
992 (unsigned long *)psign->r->d,
993 (unsigned long *)psign->s->d,
995 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,ret);
997 psign->r->top=20/sizeof(BN_ULONG);
998 bn_fix_top(psign->r);
999 psign->s->top=20/sizeof(BN_ULONG);
1000 bn_fix_top(psign->s);
1005 DSA_SIG_free(psign);
1012 static int surewarehk_modexp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
1013 const BIGNUM *m, BN_CTX *ctx)
1016 char msg[64]="ENGINE_modexp";
1017 if (!p_surewarehk_Mod_Exp)
1019 SUREWAREerr(SUREWARE_F_SUREWAREHK_MODEXP,ENGINE_R_NOT_INITIALISED);
1023 bn_expand2(r,m->top);
1024 if (r && r->dmax==m->top)
1027 ret=p_surewarehk_Mod_Exp(msg,
1028 m->top*sizeof(BN_ULONG),
1029 (unsigned long *)m->d,
1030 p->top*sizeof(BN_ULONG),
1031 (unsigned long *)p->d,
1032 a->top*sizeof(BN_ULONG),
1033 (unsigned long *)a->d,
1034 (unsigned long *)r->d);
1035 surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_MODEXP,ret);
1038 /* normalise result */
1046 #endif /* !OPENSSL_NO_HW_SureWare */
1047 #endif /* !OPENSSL_NO_HW */