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>
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 idx
,long argl
, void *argp
);
100 static void surewarehk_dh_ex_free(void *obj
, void *item
, CRYPTO_EX_DATA
*ad
,
101 int idx
,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 idx
,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 idx
,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
,
1027 (unsigned long *)r
->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 */