?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
turns printfs back on
[freebsd-src/fkvm-freebsd.git] / crypto / openssl / demos / engines / cluster_labs / hw_cluster_labs.c
blob036f48bafac46bca3898a5c9ccd90d88fa99d202
1 /* crypto/engine/hw_cluster_labs.c */
2 /* Written by Jan Tschirschwitz (jan.tschirschwitz@cluster-labs.com
3 * for the OpenSSL project 2000.
4 */
5 /* ====================================================================
6 * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
18 * distribution.
19 *
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24 *
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
29 *
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
33 *
34 * 6. Redistributions of any form whatsoever must retain the following
35 * acknowledgment:
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 *
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
52 *
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
56 *
57 */
58
59 #define MSC_VER /* only used cryptic.h */
60
61 #include <stdio.h>
62 #include <openssl/crypto.h>
63 #include <openssl/dso.h>
64 #include <openssl/des.h>
65 #include <openssl/engine.h>
66
67 #ifndef NO_HW
68 #ifndef NO_HW_CLUSTER_LABS
69
70 #ifdef FLAT_INC
71 #include "cluster_labs.h"
72 #else
73 #include "vendor_defns/cluster_labs.h"
74 #endif
75
76 #define CL_LIB_NAME "cluster_labs engine"
77 #include "hw_cluster_labs_err.c"
78
79
80 static int cluster_labs_destroy(ENGINE *e);
81 static int cluster_labs_init(ENGINE *e);
82 static int cluster_labs_finish(ENGINE *e);
83 static int cluster_labs_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)());
84
85
86 /* BIGNUM stuff */
87 /* This function is aliased to mod_exp (with the mont stuff dropped). */
88 static int cluster_labs_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
89 const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
90
91 /* RSA stuff */
92 #ifndef OPENSSL_NO_RSA
93 static int cluster_labs_rsa_pub_enc(int flen, const unsigned char *from,
94 unsigned char *to, RSA *rsa, int padding);
95 static int cluster_labs_rsa_pub_dec(int flen, const unsigned char *from,
96 unsigned char *to, RSA *rsa, int padding);
97 static int cluster_labs_rsa_priv_enc(int flen, const unsigned char *from,
98 unsigned char *to, RSA *rsa, int padding);
99 static int cluster_labs_rsa_priv_dec(int flen, const unsigned char *from,
100 unsigned char *to, RSA *rsa, int padding);
101 static int cluster_labs_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa);
102 #endif
103
104 /* DSA stuff */
105 #ifndef OPENSSL_NO_DSA
106 static DSA_SIG *cluster_labs_dsa_sign(const unsigned char *dgst, int dlen, DSA *dsa);
107 static int cluster_labs_dsa_verify(const unsigned char *dgst, int dgst_len,
108 DSA_SIG *sig, DSA *dsa);
109 static int cluster_labs_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1,
110 BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m,
111 BN_CTX *ctx, BN_MONT_CTX *in_mont);
112 static int cluster_labs_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a,
113 const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
114 BN_MONT_CTX *m_ctx);
115 #endif
116
117 /* DH stuff */
118 #ifndef OPENSSL_NO_DH
119 /* This function is alised to mod_exp (with the DH and mont dropped). */
120 static int cluster_labs_mod_exp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
121 const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
122 #endif
123
124 /* RANDOM stuff */
125 static int cluster_labs_rand_bytes(unsigned char *buf, int num);
126
127 /* The definitions for control commands specific to this engine */
128 #define CLUSTER_LABS_CMD_SO_PATH ENGINE_CMD_BASE
129 static const ENGINE_CMD_DEFN cluster_labs_cmd_defns[] =
130 {
131 { CLUSTER_LABS_CMD_SO_PATH,
132 "SO_PATH",
133 "Specifies the path to the 'cluster labs' shared library",
134 ENGINE_CMD_FLAG_STRING
135 },
136 {0, NULL, NULL, 0}
137 };
138
139 /* Our internal RSA_METHOD that we provide pointers to */
140 #ifndef OPENSSL_NO_RSA
141 static RSA_METHOD cluster_labs_rsa =
142 {
143 "Cluster Labs RSA method",
144 cluster_labs_rsa_pub_enc, /* rsa_pub_enc */
145 cluster_labs_rsa_pub_dec, /* rsa_pub_dec */
146 cluster_labs_rsa_priv_enc, /* rsa_priv_enc */
147 cluster_labs_rsa_priv_dec, /* rsa_priv_dec */
148 cluster_labs_rsa_mod_exp, /* rsa_mod_exp */
149 cluster_labs_mod_exp_mont, /* bn_mod_exp */
150 NULL, /* init */
151 NULL, /* finish */
152 0, /* flags */
153 NULL, /* apps_data */
154 NULL, /* rsa_sign */
155 NULL /* rsa_verify */
156 };
157 #endif
158
159 /* Our internal DSA_METHOD that we provide pointers to */
160 #ifndef OPENSSL_NO_DSA
161 static DSA_METHOD cluster_labs_dsa =
162 {
163 "Cluster Labs DSA method",
164 cluster_labs_dsa_sign, /* dsa_do_sign */
165 NULL, /* dsa_sign_setup */
166 cluster_labs_dsa_verify, /* dsa_do_verify */
167 cluster_labs_dsa_mod_exp, /* dsa_mod_exp */
168 cluster_labs_mod_exp_dsa, /* bn_mod_exp */
169 NULL, /* init */
170 NULL, /* finish */
171 0, /* flags */
172 NULL /* app_data */
173 };
174 #endif
175
176 /* Our internal DH_METHOD that we provide pointers to */
177 #ifndef OPENSSL_NO_DH
178 static DH_METHOD cluster_labs_dh =
179 {
180 "Cluster Labs DH method",
181 NULL, /* generate key */
182 NULL, /* compute key */
183 cluster_labs_mod_exp_dh, /* bn_mod_exp */
184 NULL, /* init */
185 NULL, /* finish */
186 0, /* flags */
187 NULL /* app_data */
188 };
189 #endif
190
191 static RAND_METHOD cluster_labs_rand =
192 {
193 /* "Cluster Labs RAND method", */
194 NULL, /* seed */
195 cluster_labs_rand_bytes, /* bytes */
196 NULL, /* cleanup */
197 NULL, /* add */
198 cluster_labs_rand_bytes, /* pseudorand */
199 NULL, /* status */
200 };
201
202 static const char *engine_cluster_labs_id = "cluster_labs";
203 static const char *engine_cluster_labs_name = "Cluster Labs hardware engine support";
204
205 /* engine implementation */
206 /*-----------------------*/
207 static int bind_helper(ENGINE *e)
208 {
209
210 if(!ENGINE_set_id(e, engine_cluster_labs_id) ||
211 !ENGINE_set_name(e, engine_cluster_labs_name) ||
212 #ifndef OPENSSL_NO_RSA
213 !ENGINE_set_RSA(e, &cluster_labs_rsa) ||
214 #endif
215 #ifndef OPENSSL_NO_DSA
216 !ENGINE_set_DSA(e, &cluster_labs_dsa) ||
217 #endif
218 #ifndef OPENSSL_NO_DH
219 !ENGINE_set_DH(e, &cluster_labs_dh) ||
220 #endif
221 !ENGINE_set_RAND(e, &cluster_labs_rand) ||
222 !ENGINE_set_destroy_function(e, cluster_labs_destroy) ||
223 !ENGINE_set_init_function(e, cluster_labs_init) ||
224 !ENGINE_set_finish_function(e, cluster_labs_finish) ||
225 !ENGINE_set_ctrl_function(e, cluster_labs_ctrl) ||
226 !ENGINE_set_cmd_defns(e, cluster_labs_cmd_defns))
227 return 0;
228 /* Ensure the error handling is set up */
229 ERR_load_CL_strings();
230 return 1;
231 }
232
233 #ifndef ENGINE_DYNAMIC_SUPPORT
234 static ENGINE *engine_cluster_labs(void)
235 {
236 ENGINE *ret = ENGINE_new();
237
238 if(!ret)
239 return NULL;
240 if(!bind_helper(ret))
241 {
242 ENGINE_free(ret);
243 return NULL;
244 }
245 return ret;
246 }
247
248 #ifdef ENGINE_DYNAMIC_SUPPORT
249 static
250 #endif
251 void ENGINE_load_cluster_labs(void)
252 {
253
254 ENGINE *cluster_labs = engine_cluster_labs();
255
256 if(!cluster_labs) return;
257 ENGINE_add(cluster_labs);
258 ENGINE_free(cluster_labs);
259 ERR_clear_error();
260 }
261 #endif /* !ENGINE_DYNAMIC_SUPPORT */
262
263 static int cluster_labs_destroy(ENGINE *e)
264 {
265
266 ERR_unload_CL_strings();
267 return 1;
268 }
269
270
271
272 /* This is a process-global DSO handle used for loading and unloading
273 * the Cluster Labs library. NB: This is only set (or unset) during an
274 * init() or finish() call (reference counts permitting) and they're
275 * operating with global locks, so this should be thread-safe
276 * implicitly. */
277 static DSO *cluster_labs_dso = NULL;
278
279 /* These are the function pointers that are (un)set when the library has
280 * successfully (un)loaded. */
281 static cl_engine_init *p_cl_engine_init = NULL;
282 static cl_mod_exp *p_cl_mod_exp = NULL;
283 static cl_mod_exp_crt *p_cl_mod_exp_crt = NULL;
284 static cl_rsa_mod_exp *p_cl_rsa_mod_exp = NULL;
285 static cl_rsa_priv_enc *p_cl_rsa_priv_enc = NULL;
286 static cl_rsa_priv_dec *p_cl_rsa_priv_dec = NULL;
287 static cl_rsa_pub_enc *p_cl_rsa_pub_enc = NULL;
288 static cl_rsa_pub_dec *p_cl_rsa_pub_dec = NULL;
289 static cl_rand_bytes *p_cl_rand_bytes = NULL;
290 static cl_dsa_sign *p_cl_dsa_sign = NULL;
291 static cl_dsa_verify *p_cl_dsa_verify = NULL;
292
293
294 int cluster_labs_init(ENGINE *e)
295 {
296
297 cl_engine_init *p1;
298 cl_mod_exp *p2;
299 cl_mod_exp_crt *p3;
300 cl_rsa_mod_exp *p4;
301 cl_rsa_priv_enc *p5;
302 cl_rsa_priv_dec *p6;
303 cl_rsa_pub_enc *p7;
304 cl_rsa_pub_dec *p8;
305 cl_rand_bytes *p20;
306 cl_dsa_sign *p30;
307 cl_dsa_verify *p31;
308
309 /* engine already loaded */
310 if(cluster_labs_dso != NULL)
311 {
312 CLerr(CL_F_CLUSTER_LABS_INIT,CL_R_ALREADY_LOADED);
313 goto err;
314 }
315 /* try to load engine */
316 cluster_labs_dso = DSO_load(NULL, CLUSTER_LABS_LIB_NAME, NULL,0);
317 if(cluster_labs_dso == NULL)
318 {
319 CLerr(CL_F_CLUSTER_LABS_INIT,CL_R_DSO_FAILURE);
320 goto err;
321 }
322 /* bind functions */
323 if( !(p1 = (cl_engine_init *)DSO_bind_func(
324 cluster_labs_dso, CLUSTER_LABS_F1)) ||
325 !(p2 = (cl_mod_exp *)DSO_bind_func(
326 cluster_labs_dso, CLUSTER_LABS_F2)) ||
327 !(p3 = (cl_mod_exp_crt *)DSO_bind_func(
328 cluster_labs_dso, CLUSTER_LABS_F3)) ||
329 !(p4 = (cl_rsa_mod_exp *)DSO_bind_func(
330 cluster_labs_dso, CLUSTER_LABS_F4)) ||
331 !(p5 = (cl_rsa_priv_enc *)DSO_bind_func(
332 cluster_labs_dso, CLUSTER_LABS_F5)) ||
333 !(p6 = (cl_rsa_priv_dec *)DSO_bind_func(
334 cluster_labs_dso, CLUSTER_LABS_F6)) ||
335 !(p7 = (cl_rsa_pub_enc *)DSO_bind_func(
336 cluster_labs_dso, CLUSTER_LABS_F7)) ||
337 !(p8 = (cl_rsa_pub_dec *)DSO_bind_func(
338 cluster_labs_dso, CLUSTER_LABS_F8)) ||
339 !(p20= (cl_rand_bytes *)DSO_bind_func(
340 cluster_labs_dso, CLUSTER_LABS_F20)) ||
341 !(p30= (cl_dsa_sign *)DSO_bind_func(
342 cluster_labs_dso, CLUSTER_LABS_F30)) ||
343 !(p31= (cl_dsa_verify *)DSO_bind_func(
344 cluster_labs_dso, CLUSTER_LABS_F31)))
345 {
346 CLerr(CL_F_CLUSTER_LABS_INIT,CL_R_DSO_FAILURE);
347 goto err;
348 }
349
350 /* copy function pointers */
351 p_cl_engine_init = p1;
352 p_cl_mod_exp = p2;
353 p_cl_mod_exp_crt = p3;
354 p_cl_rsa_mod_exp = p4;
355 p_cl_rsa_priv_enc = p5;
356 p_cl_rsa_priv_dec = p6;
357 p_cl_rsa_pub_enc = p7;
358 p_cl_rsa_pub_dec = p8;
359 p_cl_rand_bytes = p20;
360 p_cl_dsa_sign = p30;
361 p_cl_dsa_verify = p31;
362
363
364
365 /* cluster labs engine init */
366 if(p_cl_engine_init()== 0){
367 CLerr(CL_F_CLUSTER_LABS_INIT,CL_R_INIT_FAILED);
368 goto err;
369 }
370
371 return(1);
372
373 err:
374 /* reset all pointers */
375 if(cluster_labs_dso)
376 DSO_free(cluster_labs_dso);
377
378 cluster_labs_dso = NULL;
379 p_cl_engine_init = NULL;
380 p_cl_mod_exp = NULL;
381 p_cl_mod_exp_crt = NULL;
382 p_cl_rsa_mod_exp = NULL;
383 p_cl_rsa_priv_enc = NULL;
384 p_cl_rsa_priv_dec = NULL;
385 p_cl_rsa_pub_enc = NULL;
386 p_cl_rsa_pub_dec = NULL;
387 p_cl_rand_bytes = NULL;
388 p_cl_dsa_sign = NULL;
389 p_cl_dsa_verify = NULL;
390
391 return(0);
392 }
393
394
395 static int cluster_labs_finish(ENGINE *e)
396 {
397
398 if(cluster_labs_dso == NULL)
399 {
400 CLerr(CL_F_CLUSTER_LABS_FINISH,CL_R_NOT_LOADED);
401 return 0;
402 }
403 if(!DSO_free(cluster_labs_dso))
404 {
405 CLerr(CL_F_CLUSTER_LABS_FINISH,CL_R_DSO_FAILURE);
406 return 0;
407 }
408
409 cluster_labs_dso = NULL;
410 p_cl_engine_init = NULL;
411 p_cl_mod_exp = NULL;
412 p_cl_rsa_mod_exp = NULL;
413 p_cl_mod_exp_crt = NULL;
414 p_cl_rsa_priv_enc = NULL;
415 p_cl_rsa_priv_dec = NULL;
416 p_cl_rsa_pub_enc = NULL;
417 p_cl_rsa_pub_dec = NULL;
418 p_cl_rand_bytes = NULL;
419 p_cl_dsa_sign = NULL;
420 p_cl_dsa_verify = NULL;
421
422 return(1);
423
424 }
425
426 static int cluster_labs_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)())
427 {
428 int initialised = ((cluster_labs_dso == NULL) ? 0 : 1);
429
430 switch(cmd)
431 {
432 case CLUSTER_LABS_CMD_SO_PATH:
433 if(p == NULL)
434 {
435 CLerr(CL_F_CLUSTER_LABS_CTRL,ERR_R_PASSED_NULL_PARAMETER);
436 return 0;
437 }
438 if(initialised)
439 {
440 CLerr(CL_F_CLUSTER_LABS_CTRL,CL_R_ALREADY_LOADED);
441 return 0;
442 }
443 CLUSTER_LABS_LIB_NAME = (const char *)p;
444 return 1;
445 default:
446 break;
447 }
448 CLerr(CL_F_CLUSTER_LABS_CTRL,CL_R_COMMAND_NOT_IMPLEMENTED);
449 return 0;
450 }
451
452
453 static int cluster_labs_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
454 const BIGNUM *m, BN_CTX *ctx)
455 {
456
457 if(cluster_labs_dso == NULL)
458 {
459 CLerr(CL_F_CLUSTER_LABS_MOD_EXP,CL_R_NOT_LOADED);
460 return 0;
461 }
462 if(p_cl_mod_exp == NULL)
463 {
464 CLerr(CL_F_CLUSTER_LABS_MOD_EXP,CL_R_FUNCTION_NOT_BINDED);
465 return 0;
466 }
467
468 return p_cl_mod_exp(r, a, p, m, ctx);
469
470 }
471
472 static int cluster_labs_mod_exp_crt(BIGNUM *r, BIGNUM *a, const BIGNUM *p,
473 const BIGNUM *q, const BIGNUM *dmp1, const BIGNUM *dmq1,
474 const BIGNUM *iqmp, BN_CTX *ctx)
475 {
476
477 if(cluster_labs_dso == NULL)
478 {
479 CLerr(CL_F_CLUSTER_LABS_MOD_EXP_CRT,CL_R_NOT_LOADED);
480 return 0;
481 }
482 if(p_cl_mod_exp_crt == NULL)
483 {
484 CLerr(CL_F_CLUSTER_LABS_MOD_EXP_CRT,CL_R_FUNCTION_NOT_BINDED);
485 return 0;
486 }
487
488 return p_cl_mod_exp_crt(r, a, p, q,dmp1, dmq1, iqmp, ctx);
489
490 }
491
492 static int cluster_labs_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa)
493 {
494
495 if(cluster_labs_dso == NULL)
496 {
497 CLerr(CL_F_CLUSTER_LABS_RSA_MOD_EXP,CL_R_NOT_LOADED);
498 return 0;
499 }
500 if(p_cl_rsa_mod_exp == NULL)
501 {
502 CLerr(CL_F_CLUSTER_LABS_RSA_MOD_EXP,CL_R_FUNCTION_NOT_BINDED);
503 return 0;
504 }
505
506 return p_cl_rsa_mod_exp(r0, I, rsa);
507
508 }
509
510 static DSA_SIG *cluster_labs_dsa_sign(const unsigned char *dgst, int dlen, DSA *dsa)
511 {
512
513 if(cluster_labs_dso == NULL)
514 {
515 CLerr(CL_F_CLUSTER_LABS_DSA_SIGN,CL_R_NOT_LOADED);
516 return 0;
517 }
518 if(p_cl_dsa_sign == NULL)
519 {
520 CLerr(CL_F_CLUSTER_LABS_DSA_SIGN,CL_R_FUNCTION_NOT_BINDED);
521 return 0;
522 }
523
524 return p_cl_dsa_sign(dgst, dlen, dsa);
525
526 }
527
528 static int cluster_labs_dsa_verify(const unsigned char *dgst, int dgst_len,
529 DSA_SIG *sig, DSA *dsa)
530 {
531
532 if(cluster_labs_dso == NULL)
533 {
534 CLerr(CL_F_CLUSTER_LABS_DSA_VERIFY,CL_R_NOT_LOADED);
535 return 0;
536 }
537
538 if(p_cl_dsa_verify == NULL)
539 {
540 CLerr(CL_F_CLUSTER_LABS_DSA_VERIFY,CL_R_FUNCTION_NOT_BINDED);
541 return 0;
542 }
543
544 return p_cl_dsa_verify(dgst, dgst_len, sig, dsa);
545
546 }
547
548 static int cluster_labs_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1,
549 BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m,
550 BN_CTX *ctx, BN_MONT_CTX *in_mont)
551 {
552 BIGNUM t;
553 int status = 0;
554
555 BN_init(&t);
556 /* let rr = a1 ^ p1 mod m */
557 if (!cluster_labs_mod_exp(rr,a1,p1,m,ctx)) goto end;
558 /* let t = a2 ^ p2 mod m */
559 if (!cluster_labs_mod_exp(&t,a2,p2,m,ctx)) goto end;
560 /* let rr = rr * t mod m */
561 if (!BN_mod_mul(rr,rr,&t,m,ctx)) goto end;
562 status = 1;
563 end:
564 BN_free(&t);
565
566 return(1);
567
568 }
569
570 static int cluster_labs_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a,
571 const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
572 BN_MONT_CTX *m_ctx)
573 {
574 return cluster_labs_mod_exp(r, a, p, m, ctx);
575 }
576
577 /* This function is aliased to mod_exp (with the mont stuff dropped). */
578 static int cluster_labs_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
579 const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
580 {
581 return cluster_labs_mod_exp(r, a, p, m, ctx);
582 }
583
584
585 /* This function is aliased to mod_exp (with the dh and mont dropped). */
586 static int cluster_labs_mod_exp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
587 const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
588 {
589 return cluster_labs_mod_exp(r, a, p, m, ctx);
590 }
591
592
593 static int cluster_labs_rsa_pub_enc(int flen, const unsigned char *from,
594 unsigned char *to, RSA *rsa, int padding)
595 {
596
597 if(cluster_labs_dso == NULL)
598 {
599 CLerr(CL_F_CLUSTER_LABS_RSA_PUB_ENC,CL_R_NOT_LOADED);
600 return 0;
601 }
602 if(p_cl_rsa_priv_enc == NULL)
603 {
604 CLerr(CL_F_CLUSTER_LABS_RSA_PUB_ENC,CL_R_FUNCTION_NOT_BINDED);
605 return 0;
606 }
607
608 return p_cl_rsa_pub_enc(flen, from, to, rsa, padding);
609
610 }
611
612 static int cluster_labs_rsa_pub_dec(int flen, const unsigned char *from,
613 unsigned char *to, RSA *rsa, int padding)
614 {
615
616 if(cluster_labs_dso == NULL)
617 {
618 CLerr(CL_F_CLUSTER_LABS_RSA_PUB_DEC,CL_R_NOT_LOADED);
619 return 0;
620 }
621 if(p_cl_rsa_priv_enc == NULL)
622 {
623 CLerr(CL_F_CLUSTER_LABS_RSA_PUB_DEC,CL_R_FUNCTION_NOT_BINDED);
624 return 0;
625 }
626
627 return p_cl_rsa_pub_dec(flen, from, to, rsa, padding);
628
629 }
630
631
632 static int cluster_labs_rsa_priv_enc(int flen, const unsigned char *from,
633 unsigned char *to, RSA *rsa, int padding)
634 {
635
636 if(cluster_labs_dso == NULL)
637 {
638 CLerr(CL_F_CLUSTER_LABS_RSA_PRIV_ENC,CL_R_NOT_LOADED);
639 return 0;
640 }
641
642 if(p_cl_rsa_priv_enc == NULL)
643 {
644 CLerr(CL_F_CLUSTER_LABS_RSA_PRIV_ENC,CL_R_FUNCTION_NOT_BINDED);
645 return 0;
646 }
647
648 return p_cl_rsa_priv_enc(flen, from, to, rsa, padding);
649
650 }
651
652 static int cluster_labs_rsa_priv_dec(int flen, const unsigned char *from,
653 unsigned char *to, RSA *rsa, int padding)
654 {
655
656 if(cluster_labs_dso == NULL)
657 {
658 CLerr(CL_F_CLUSTER_LABS_RSA_PRIV_DEC,CL_R_NOT_LOADED);
659 return 0;
660 }
661 if(p_cl_rsa_priv_dec == NULL)
662 {
663 CLerr(CL_F_CLUSTER_LABS_RSA_PRIV_DEC,CL_R_FUNCTION_NOT_BINDED);
664 return 0;
665 }
666
667 return p_cl_rsa_priv_dec(flen, from, to, rsa, padding);
668
669 }
670
671 /************************************************************************************
672 * Symmetric algorithms
673 ************************************************************************************/
674 /* this will be come soon! */
675
676 /************************************************************************************
677 * Random generator
678 ************************************************************************************/
679
680 static int cluster_labs_rand_bytes(unsigned char *buf, int num){
681
682 if(cluster_labs_dso == NULL)
683 {
684 CLerr(CL_F_CLUSTER_LABS_RAND_BYTES,CL_R_NOT_LOADED);
685 return 0;
686 }
687 if(p_cl_mod_exp_crt == NULL)
688 {
689 CLerr(CL_F_CLUSTER_LABS_RAND_BYTES,CL_R_FUNCTION_NOT_BINDED);
690 return 0;
691 }
692
693 return p_cl_rand_bytes(buf, num);
694
695 }
696
697
698 /* This stuff is needed if this ENGINE is being compiled into a self-contained
699 * shared-library. */
700 #ifdef ENGINE_DYNAMIC_SUPPORT
701 static int bind_fn(ENGINE *e, const char *id)
702 {
703 fprintf(stderr, "bind_fn CLUSTER_LABS\n");
704 if(id && (strcmp(id, engine_cluster_labs_id) != 0)) {
705 fprintf(stderr, "bind_fn return(0) first\n");
706 return 0;
707 }
708 if(!bind_helper(e)) {
709 fprintf(stderr, "bind_fn return(1) first\n");
710 return 0;
711 }
712 fprintf(stderr, "bind_fn return(1)\n");
713 return 1;
714 }
715 IMPLEMENT_DYNAMIC_CHECK_FN()
716 IMPLEMENT_DYNAMIC_BIND_FN(bind_fn)
717 #endif /* ENGINE_DYNAMIC_SUPPORT */
718
719 #endif /* !NO_HW_CLUSTER_LABS */
720 #endif /* !NO_HW */
721
FreeBSD kvm: FreeBSD sources