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authorcvs2svn <admin@example.com>2003-03-22 08:02:04 +0000
committercvs2svn <admin@example.com>2003-03-22 08:02:04 +0000
commitdf32a1286ae06981a79e30b678165a784696be4b (patch)
tree3d70e9a28e2db2eee8cd542ce0ce859502668178 /src/lib/libcrypto/ec/ec_lib.c
parent2850ebd15c3cfddf6fb7edcd08cb6b2c6f717be9 (diff)
downloadopenbsd-OPENBSD_3_3_BASE.tar.gz
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This commit was manufactured by cvs2git to create tag 'OPENBSD_3_3_BASE'.OPENBSD_3_3_BASE
Diffstat (limited to 'src/lib/libcrypto/ec/ec_lib.c')
-rw-r--r--src/lib/libcrypto/ec/ec_lib.c654
1 files changed, 0 insertions, 654 deletions
diff --git a/src/lib/libcrypto/ec/ec_lib.c b/src/lib/libcrypto/ec/ec_lib.c
deleted file mode 100644
index 0cf485de60..0000000000
--- a/src/lib/libcrypto/ec/ec_lib.c
+++ /dev/null
@@ -1,654 +0,0 @@
1/* crypto/ec/ec_lib.c */
2/* ====================================================================
3 * Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
15 * distribution.
16 *
17 * 3. All advertising materials mentioning features or use of this
18 * software must display the following acknowledgment:
19 * "This product includes software developed by the OpenSSL Project
20 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
21 *
22 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
23 * endorse or promote products derived from this software without
24 * prior written permission. For written permission, please contact
25 * openssl-core@openssl.org.
26 *
27 * 5. Products derived from this software may not be called "OpenSSL"
28 * nor may "OpenSSL" appear in their names without prior written
29 * permission of the OpenSSL Project.
30 *
31 * 6. Redistributions of any form whatsoever must retain the following
32 * acknowledgment:
33 * "This product includes software developed by the OpenSSL Project
34 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
35 *
36 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
37 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
38 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
39 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
40 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
42 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
43 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
44 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
45 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
46 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
47 * OF THE POSSIBILITY OF SUCH DAMAGE.
48 * ====================================================================
49 *
50 * This product includes cryptographic software written by Eric Young
51 * (eay@cryptsoft.com). This product includes software written by Tim
52 * Hudson (tjh@cryptsoft.com).
53 *
54 */
55
56#include <string.h>
57
58#include <openssl/err.h>
59#include <openssl/opensslv.h>
60
61#include "ec_lcl.h"
62
63static const char EC_version[] = "EC" OPENSSL_VERSION_PTEXT;
64
65
66/* functions for EC_GROUP objects */
67
68EC_GROUP *EC_GROUP_new(const EC_METHOD *meth)
69 {
70 EC_GROUP *ret;
71
72 if (meth == NULL)
73 {
74 ECerr(EC_F_EC_GROUP_NEW, ERR_R_PASSED_NULL_PARAMETER);
75 return NULL;
76 }
77 if (meth->group_init == 0)
78 {
79 ECerr(EC_F_EC_GROUP_NEW, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
80 return NULL;
81 }
82
83 ret = OPENSSL_malloc(sizeof *ret);
84 if (ret == NULL)
85 {
86 ECerr(EC_F_EC_GROUP_NEW, ERR_R_MALLOC_FAILURE);
87 return NULL;
88 }
89
90 ret->meth = meth;
91
92 ret->extra_data = NULL;
93 ret->extra_data_dup_func = 0;
94 ret->extra_data_free_func = 0;
95 ret->extra_data_clear_free_func = 0;
96
97 if (!meth->group_init(ret))
98 {
99 OPENSSL_free(ret);
100 return NULL;
101 }
102
103 return ret;
104 }
105
106
107void EC_GROUP_free(EC_GROUP *group)
108 {
109 if (!group) return;
110
111 if (group->meth->group_finish != 0)
112 group->meth->group_finish(group);
113
114 EC_GROUP_free_extra_data(group);
115
116 OPENSSL_free(group);
117 }
118
119
120void EC_GROUP_clear_free(EC_GROUP *group)
121 {
122 if (!group) return;
123
124 if (group->meth->group_clear_finish != 0)
125 group->meth->group_clear_finish(group);
126 else if (group->meth != NULL && group->meth->group_finish != 0)
127 group->meth->group_finish(group);
128
129 EC_GROUP_clear_free_extra_data(group);
130
131 memset(group, 0, sizeof *group);
132 OPENSSL_free(group);
133 }
134
135
136int EC_GROUP_copy(EC_GROUP *dest, const EC_GROUP *src)
137 {
138 if (dest->meth->group_copy == 0)
139 {
140 ECerr(EC_F_EC_GROUP_COPY, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
141 return 0;
142 }
143 if (dest->meth != src->meth)
144 {
145 ECerr(EC_F_EC_GROUP_COPY, EC_R_INCOMPATIBLE_OBJECTS);
146 return 0;
147 }
148 if (dest == src)
149 return 1;
150
151 EC_GROUP_clear_free_extra_data(dest);
152 if (src->extra_data_dup_func)
153 {
154 if (src->extra_data != NULL)
155 {
156 dest->extra_data = src->extra_data_dup_func(src->extra_data);
157 if (dest->extra_data == NULL)
158 return 0;
159 }
160
161 dest->extra_data_dup_func = src->extra_data_dup_func;
162 dest->extra_data_free_func = src->extra_data_free_func;
163 dest->extra_data_clear_free_func = src->extra_data_clear_free_func;
164 }
165
166 return dest->meth->group_copy(dest, src);
167 }
168
169
170const EC_METHOD *EC_GROUP_method_of(const EC_GROUP *group)
171 {
172 return group->meth;
173 }
174
175
176int EC_GROUP_set_curve_GFp(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)
177 {
178 if (group->meth->group_set_curve_GFp == 0)
179 {
180 ECerr(EC_F_EC_GROUP_SET_CURVE_GFP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
181 return 0;
182 }
183 return group->meth->group_set_curve_GFp(group, p, a, b, ctx);
184 }
185
186
187int EC_GROUP_get_curve_GFp(const EC_GROUP *group, BIGNUM *p, BIGNUM *a, BIGNUM *b, BN_CTX *ctx)
188 {
189 if (group->meth->group_get_curve_GFp == 0)
190 {
191 ECerr(EC_F_EC_GROUP_GET_CURVE_GFP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
192 return 0;
193 }
194 return group->meth->group_get_curve_GFp(group, p, a, b, ctx);
195 }
196
197
198int EC_GROUP_set_generator(EC_GROUP *group, const EC_POINT *generator, const BIGNUM *order, const BIGNUM *cofactor)
199 {
200 if (group->meth->group_set_generator == 0)
201 {
202 ECerr(EC_F_EC_GROUP_SET_GENERATOR, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
203 return 0;
204 }
205 return group->meth->group_set_generator(group, generator, order, cofactor);
206 }
207
208
209EC_POINT *EC_GROUP_get0_generator(const EC_GROUP *group)
210 {
211 if (group->meth->group_get0_generator == 0)
212 {
213 ECerr(EC_F_EC_GROUP_GET0_GENERATOR, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
214 return 0;
215 }
216 return group->meth->group_get0_generator(group);
217 }
218
219
220int EC_GROUP_get_order(const EC_GROUP *group, BIGNUM *order, BN_CTX *ctx)
221 {
222 if (group->meth->group_get_order == 0)
223 {
224 ECerr(EC_F_EC_GROUP_GET_ORDER, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
225 return 0;
226 }
227 return group->meth->group_get_order(group, order, ctx);
228 }
229
230
231int EC_GROUP_get_cofactor(const EC_GROUP *group, BIGNUM *cofactor, BN_CTX *ctx)
232 {
233 if (group->meth->group_get_cofactor == 0)
234 {
235 ECerr(EC_F_EC_GROUP_GET_COFACTOR, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
236 return 0;
237 }
238 return group->meth->group_get_cofactor(group, cofactor, ctx);
239 }
240
241
242/* this has 'package' visibility */
243int EC_GROUP_set_extra_data(EC_GROUP *group, void *extra_data, void *(*extra_data_dup_func)(void *),
244 void (*extra_data_free_func)(void *), void (*extra_data_clear_free_func)(void *))
245 {
246 if ((group->extra_data != NULL)
247 || (group->extra_data_dup_func != 0)
248 || (group->extra_data_free_func != 0)
249 || (group->extra_data_clear_free_func != 0))
250 {
251 ECerr(EC_F_EC_GROUP_SET_EXTRA_DATA, EC_R_SLOT_FULL);
252 return 0;
253 }
254
255 group->extra_data = extra_data;
256 group->extra_data_dup_func = extra_data_dup_func;
257 group->extra_data_free_func = extra_data_free_func;
258 group->extra_data_clear_free_func = extra_data_clear_free_func;
259 return 1;
260 }
261
262
263/* this has 'package' visibility */
264void *EC_GROUP_get_extra_data(const EC_GROUP *group, void *(*extra_data_dup_func)(void *),
265 void (*extra_data_free_func)(void *), void (*extra_data_clear_free_func)(void *))
266 {
267 if ((group->extra_data_dup_func != extra_data_dup_func)
268 || (group->extra_data_free_func != extra_data_free_func)
269 || (group->extra_data_clear_free_func != extra_data_clear_free_func))
270 {
271 ECerr(EC_F_EC_GROUP_GET_EXTRA_DATA, EC_R_NO_SUCH_EXTRA_DATA);
272 return NULL;
273 }
274
275 return group->extra_data;
276 }
277
278
279/* this has 'package' visibility */
280void EC_GROUP_free_extra_data(EC_GROUP *group)
281 {
282 if (group->extra_data_free_func)
283 group->extra_data_free_func(group->extra_data);
284 group->extra_data = NULL;
285 group->extra_data_dup_func = 0;
286 group->extra_data_free_func = 0;
287 group->extra_data_clear_free_func = 0;
288 }
289
290
291/* this has 'package' visibility */
292void EC_GROUP_clear_free_extra_data(EC_GROUP *group)
293 {
294 if (group->extra_data_clear_free_func)
295 group->extra_data_clear_free_func(group->extra_data);
296 else if (group->extra_data_free_func)
297 group->extra_data_free_func(group->extra_data);
298 group->extra_data = NULL;
299 group->extra_data_dup_func = 0;
300 group->extra_data_free_func = 0;
301 group->extra_data_clear_free_func = 0;
302 }
303
304
305
306/* functions for EC_POINT objects */
307
308EC_POINT *EC_POINT_new(const EC_GROUP *group)
309 {
310 EC_POINT *ret;
311
312 if (group == NULL)
313 {
314 ECerr(EC_F_EC_POINT_NEW, ERR_R_PASSED_NULL_PARAMETER);
315 return NULL;
316 }
317 if (group->meth->point_init == 0)
318 {
319 ECerr(EC_F_EC_POINT_NEW, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
320 return NULL;
321 }
322
323 ret = OPENSSL_malloc(sizeof *ret);
324 if (ret == NULL)
325 {
326 ECerr(EC_F_EC_POINT_NEW, ERR_R_MALLOC_FAILURE);
327 return NULL;
328 }
329
330 ret->meth = group->meth;
331
332 if (!ret->meth->point_init(ret))
333 {
334 OPENSSL_free(ret);
335 return NULL;
336 }
337
338 return ret;
339 }
340
341
342void EC_POINT_free(EC_POINT *point)
343 {
344 if (!point) return;
345
346 if (point->meth->point_finish != 0)
347 point->meth->point_finish(point);
348 OPENSSL_free(point);
349 }
350
351
352void EC_POINT_clear_free(EC_POINT *point)
353 {
354 if (!point) return;
355
356 if (point->meth->point_clear_finish != 0)
357 point->meth->point_clear_finish(point);
358 else if (point->meth != NULL && point->meth->point_finish != 0)
359 point->meth->point_finish(point);
360 memset(point, 0, sizeof *point);
361 OPENSSL_free(point);
362 }
363
364
365int EC_POINT_copy(EC_POINT *dest, const EC_POINT *src)
366 {
367 if (dest->meth->point_copy == 0)
368 {
369 ECerr(EC_F_EC_POINT_COPY, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
370 return 0;
371 }
372 if (dest->meth != src->meth)
373 {
374 ECerr(EC_F_EC_POINT_COPY, EC_R_INCOMPATIBLE_OBJECTS);
375 return 0;
376 }
377 if (dest == src)
378 return 1;
379 return dest->meth->point_copy(dest, src);
380 }
381
382
383const EC_METHOD *EC_POINT_method_of(const EC_POINT *point)
384 {
385 return point->meth;
386 }
387
388
389int EC_POINT_set_to_infinity(const EC_GROUP *group, EC_POINT *point)
390 {
391 if (group->meth->point_set_to_infinity == 0)
392 {
393 ECerr(EC_F_EC_POINT_SET_TO_INFINITY, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
394 return 0;
395 }
396 if (group->meth != point->meth)
397 {
398 ECerr(EC_F_EC_POINT_SET_TO_INFINITY, EC_R_INCOMPATIBLE_OBJECTS);
399 return 0;
400 }
401 return group->meth->point_set_to_infinity(group, point);
402 }
403
404
405int EC_POINT_set_Jprojective_coordinates_GFp(const EC_GROUP *group, EC_POINT *point,
406 const BIGNUM *x, const BIGNUM *y, const BIGNUM *z, BN_CTX *ctx)
407 {
408 if (group->meth->point_set_Jprojective_coordinates_GFp == 0)
409 {
410 ECerr(EC_F_EC_POINT_SET_JPROJECTIVE_COORDINATES_GFP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
411 return 0;
412 }
413 if (group->meth != point->meth)
414 {
415 ECerr(EC_F_EC_POINT_SET_JPROJECTIVE_COORDINATES_GFP, EC_R_INCOMPATIBLE_OBJECTS);
416 return 0;
417 }
418 return group->meth->point_set_Jprojective_coordinates_GFp(group, point, x, y, z, ctx);
419 }
420
421
422int EC_POINT_get_Jprojective_coordinates_GFp(const EC_GROUP *group, const EC_POINT *point,
423 BIGNUM *x, BIGNUM *y, BIGNUM *z, BN_CTX *ctx)
424 {
425 if (group->meth->point_get_Jprojective_coordinates_GFp == 0)
426 {
427 ECerr(EC_F_EC_POINT_GET_JPROJECTIVE_COORDINATES_GFP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
428 return 0;
429 }
430 if (group->meth != point->meth)
431 {
432 ECerr(EC_F_EC_POINT_GET_JPROJECTIVE_COORDINATES_GFP, EC_R_INCOMPATIBLE_OBJECTS);
433 return 0;
434 }
435 return group->meth->point_get_Jprojective_coordinates_GFp(group, point, x, y, z, ctx);
436 }
437
438
439int EC_POINT_set_affine_coordinates_GFp(const EC_GROUP *group, EC_POINT *point,
440 const BIGNUM *x, const BIGNUM *y, BN_CTX *ctx)
441 {
442 if (group->meth->point_set_affine_coordinates_GFp == 0)
443 {
444 ECerr(EC_F_EC_POINT_SET_AFFINE_COORDINATES_GFP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
445 return 0;
446 }
447 if (group->meth != point->meth)
448 {
449 ECerr(EC_F_EC_POINT_SET_AFFINE_COORDINATES_GFP, EC_R_INCOMPATIBLE_OBJECTS);
450 return 0;
451 }
452 return group->meth->point_set_affine_coordinates_GFp(group, point, x, y, ctx);
453 }
454
455
456int EC_POINT_get_affine_coordinates_GFp(const EC_GROUP *group, const EC_POINT *point,
457 BIGNUM *x, BIGNUM *y, BN_CTX *ctx)
458 {
459 if (group->meth->point_get_affine_coordinates_GFp == 0)
460 {
461 ECerr(EC_F_EC_POINT_GET_AFFINE_COORDINATES_GFP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
462 return 0;
463 }
464 if (group->meth != point->meth)
465 {
466 ECerr(EC_F_EC_POINT_GET_AFFINE_COORDINATES_GFP, EC_R_INCOMPATIBLE_OBJECTS);
467 return 0;
468 }
469 return group->meth->point_get_affine_coordinates_GFp(group, point, x, y, ctx);
470 }
471
472
473int EC_POINT_set_compressed_coordinates_GFp(const EC_GROUP *group, EC_POINT *point,
474 const BIGNUM *x, int y_bit, BN_CTX *ctx)
475 {
476 if (group->meth->point_set_compressed_coordinates_GFp == 0)
477 {
478 ECerr(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GFP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
479 return 0;
480 }
481 if (group->meth != point->meth)
482 {
483 ECerr(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GFP, EC_R_INCOMPATIBLE_OBJECTS);
484 return 0;
485 }
486 return group->meth->point_set_compressed_coordinates_GFp(group, point, x, y_bit, ctx);
487 }
488
489
490size_t EC_POINT_point2oct(const EC_GROUP *group, const EC_POINT *point, point_conversion_form_t form,
491 unsigned char *buf, size_t len, BN_CTX *ctx)
492 {
493 if (group->meth->point2oct == 0)
494 {
495 ECerr(EC_F_EC_POINT_POINT2OCT, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
496 return 0;
497 }
498 if (group->meth != point->meth)
499 {
500 ECerr(EC_F_EC_POINT_POINT2OCT, EC_R_INCOMPATIBLE_OBJECTS);
501 return 0;
502 }
503 return group->meth->point2oct(group, point, form, buf, len, ctx);
504 }
505
506
507int EC_POINT_oct2point(const EC_GROUP *group, EC_POINT *point,
508 const unsigned char *buf, size_t len, BN_CTX *ctx)
509 {
510 if (group->meth->oct2point == 0)
511 {
512 ECerr(EC_F_EC_POINT_OCT2POINT, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
513 return 0;
514 }
515 if (group->meth != point->meth)
516 {
517 ECerr(EC_F_EC_POINT_OCT2POINT, EC_R_INCOMPATIBLE_OBJECTS);
518 return 0;
519 }
520 return group->meth->oct2point(group, point, buf, len, ctx);
521 }
522
523
524int EC_POINT_add(const EC_GROUP *group, EC_POINT *r, const EC_POINT *a, const EC_POINT *b, BN_CTX *ctx)
525 {
526 if (group->meth->add == 0)
527 {
528 ECerr(EC_F_EC_POINT_ADD, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
529 return 0;
530 }
531 if ((group->meth != r->meth) || (r->meth != a->meth) || (a->meth != b->meth))
532 {
533 ECerr(EC_F_EC_POINT_ADD, EC_R_INCOMPATIBLE_OBJECTS);
534 return 0;
535 }
536 return group->meth->add(group, r, a, b, ctx);
537 }
538
539
540int EC_POINT_dbl(const EC_GROUP *group, EC_POINT *r, const EC_POINT *a, BN_CTX *ctx)
541 {
542 if (group->meth->dbl == 0)
543 {
544 ECerr(EC_F_EC_POINT_DBL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
545 return 0;
546 }
547 if ((group->meth != r->meth) || (r->meth != a->meth))
548 {
549 ECerr(EC_F_EC_POINT_DBL, EC_R_INCOMPATIBLE_OBJECTS);
550 return 0;
551 }
552 return group->meth->dbl(group, r, a, ctx);
553 }
554
555
556int EC_POINT_invert(const EC_GROUP *group, EC_POINT *a, BN_CTX *ctx)
557 {
558 if (group->meth->dbl == 0)
559 {
560 ECerr(EC_F_EC_POINT_DBL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
561 return 0;
562 }
563 if (group->meth != a->meth)
564 {
565 ECerr(EC_F_EC_POINT_DBL, EC_R_INCOMPATIBLE_OBJECTS);
566 return 0;
567 }
568 return group->meth->invert(group, a, ctx);
569 }
570
571
572int EC_POINT_is_at_infinity(const EC_GROUP *group, const EC_POINT *point)
573 {
574 if (group->meth->is_at_infinity == 0)
575 {
576 ECerr(EC_F_EC_POINT_IS_AT_INFINITY, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
577 return 0;
578 }
579 if (group->meth != point->meth)
580 {
581 ECerr(EC_F_EC_POINT_IS_AT_INFINITY, EC_R_INCOMPATIBLE_OBJECTS);
582 return 0;
583 }
584 return group->meth->is_at_infinity(group, point);
585 }
586
587
588int EC_POINT_is_on_curve(const EC_GROUP *group, const EC_POINT *point, BN_CTX *ctx)
589 {
590 if (group->meth->is_on_curve == 0)
591 {
592 ECerr(EC_F_EC_POINT_IS_ON_CURVE, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
593 return 0;
594 }
595 if (group->meth != point->meth)
596 {
597 ECerr(EC_F_EC_POINT_IS_ON_CURVE, EC_R_INCOMPATIBLE_OBJECTS);
598 return 0;
599 }
600 return group->meth->is_on_curve(group, point, ctx);
601 }
602
603
604int EC_POINT_cmp(const EC_GROUP *group, const EC_POINT *a, const EC_POINT *b, BN_CTX *ctx)
605 {
606 if (group->meth->point_cmp == 0)
607 {
608 ECerr(EC_F_EC_POINT_CMP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
609 return 0;
610 }
611 if ((group->meth != a->meth) || (a->meth != b->meth))
612 {
613 ECerr(EC_F_EC_POINT_CMP, EC_R_INCOMPATIBLE_OBJECTS);
614 return 0;
615 }
616 return group->meth->point_cmp(group, a, b, ctx);
617 }
618
619
620int EC_POINT_make_affine(const EC_GROUP *group, EC_POINT *point, BN_CTX *ctx)
621 {
622 if (group->meth->make_affine == 0)
623 {
624 ECerr(EC_F_EC_POINT_MAKE_AFFINE, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
625 return 0;
626 }
627 if (group->meth != point->meth)
628 {
629 ECerr(EC_F_EC_POINT_MAKE_AFFINE, EC_R_INCOMPATIBLE_OBJECTS);
630 return 0;
631 }
632 return group->meth->make_affine(group, point, ctx);
633 }
634
635
636int EC_POINTs_make_affine(const EC_GROUP *group, size_t num, EC_POINT *points[], BN_CTX *ctx)
637 {
638 size_t i;
639
640 if (group->meth->points_make_affine == 0)
641 {
642 ECerr(EC_F_EC_POINTS_MAKE_AFFINE, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
643 return 0;
644 }
645 for (i = 0; i < num; i++)
646 {
647 if (group->meth != points[i]->meth)
648 {
649 ECerr(EC_F_EC_POINTS_MAKE_AFFINE, EC_R_INCOMPATIBLE_OBJECTS);
650 return 0;
651 }
652 }
653 return group->meth->points_make_affine(group, num, points, ctx);
654 }