summaryrefslogtreecommitdiff
path: root/src/usr.bin/openssl/ecparam.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/usr.bin/openssl/ecparam.c')
-rw-r--r--src/usr.bin/openssl/ecparam.c613
1 files changed, 613 insertions, 0 deletions
diff --git a/src/usr.bin/openssl/ecparam.c b/src/usr.bin/openssl/ecparam.c
new file mode 100644
index 0000000000..9623cb96ce
--- /dev/null
+++ b/src/usr.bin/openssl/ecparam.c
@@ -0,0 +1,613 @@
1/* $OpenBSD: ecparam.c,v 1.1 2014/08/26 17:47:24 jsing Exp $ */
2/*
3 * Written by Nils Larsch for the OpenSSL project.
4 */
5/* ====================================================================
6 * Copyright (c) 1998-2005 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 * openssl-core@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 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
60 *
61 * Portions of the attached software ("Contribution") are developed by
62 * SUN MICROSYSTEMS, INC., and are contributed to the OpenSSL project.
63 *
64 * The Contribution is licensed pursuant to the OpenSSL open source
65 * license provided above.
66 *
67 * The elliptic curve binary polynomial software is originally written by
68 * Sheueling Chang Shantz and Douglas Stebila of Sun Microsystems Laboratories.
69 *
70 */
71
72#include <openssl/opensslconf.h>
73
74#ifndef OPENSSL_NO_EC
75
76#include <stdio.h>
77#include <stdlib.h>
78#include <string.h>
79#include <time.h>
80
81#include "apps.h"
82
83#include <openssl/bio.h>
84#include <openssl/bn.h>
85#include <openssl/ec.h>
86#include <openssl/err.h>
87#include <openssl/pem.h>
88#include <openssl/x509.h>
89
90/* -inform arg - input format - default PEM (DER or PEM)
91 * -outform arg - output format - default PEM
92 * -in arg - input file - default stdin
93 * -out arg - output file - default stdout
94 * -noout - do not print the ec parameter
95 * -text - print the ec parameters in text form
96 * -check - validate the ec parameters
97 * -C - print a 'C' function creating the parameters
98 * -name arg - use the ec parameters with 'short name' name
99 * -list_curves - prints a list of all currently available curve 'short names'
100 * -conv_form arg - specifies the point conversion form
101 * - possible values: compressed
102 * uncompressed (default)
103 * hybrid
104 * -param_enc arg - specifies the way the ec parameters are encoded
105 * in the asn1 der encoding
106 * possible values: named_curve (default)
107 * explicit
108 * -no_seed - if 'explicit' parameters are chosen do not use the seed
109 * -genkey - generate ec key
110 * -engine e - use engine e, possibly a hardware device
111 */
112
113
114static int ecparam_print_var(BIO *, BIGNUM *, const char *, int, unsigned char *);
115
116int ecparam_main(int, char **);
117
118int
119ecparam_main(int argc, char **argv)
120{
121 EC_GROUP *group = NULL;
122 point_conversion_form_t form = POINT_CONVERSION_UNCOMPRESSED;
123 int new_form = 0;
124 int asn1_flag = OPENSSL_EC_NAMED_CURVE;
125 int new_asn1_flag = 0;
126 char *curve_name = NULL;
127 int list_curves = 0, no_seed = 0, check = 0, badops = 0, text = 0,
128 i, genkey = 0;
129 char *infile = NULL, *outfile = NULL, *prog;
130 BIO *in = NULL, *out = NULL;
131 int informat, outformat, noout = 0, C = 0, ret = 1;
132 char *engine = NULL;
133
134 BIGNUM *ec_p = NULL, *ec_a = NULL, *ec_b = NULL, *ec_gen = NULL,
135 *ec_order = NULL, *ec_cofactor = NULL;
136 unsigned char *buffer = NULL;
137
138 informat = FORMAT_PEM;
139 outformat = FORMAT_PEM;
140
141 prog = argv[0];
142 argc--;
143 argv++;
144 while (argc >= 1) {
145 if (strcmp(*argv, "-inform") == 0) {
146 if (--argc < 1)
147 goto bad;
148 informat = str2fmt(*(++argv));
149 } else if (strcmp(*argv, "-outform") == 0) {
150 if (--argc < 1)
151 goto bad;
152 outformat = str2fmt(*(++argv));
153 } else if (strcmp(*argv, "-in") == 0) {
154 if (--argc < 1)
155 goto bad;
156 infile = *(++argv);
157 } else if (strcmp(*argv, "-out") == 0) {
158 if (--argc < 1)
159 goto bad;
160 outfile = *(++argv);
161 } else if (strcmp(*argv, "-text") == 0)
162 text = 1;
163 else if (strcmp(*argv, "-C") == 0)
164 C = 1;
165 else if (strcmp(*argv, "-check") == 0)
166 check = 1;
167 else if (strcmp(*argv, "-name") == 0) {
168 if (--argc < 1)
169 goto bad;
170 curve_name = *(++argv);
171 } else if (strcmp(*argv, "-list_curves") == 0)
172 list_curves = 1;
173 else if (strcmp(*argv, "-conv_form") == 0) {
174 if (--argc < 1)
175 goto bad;
176 ++argv;
177 new_form = 1;
178 if (strcmp(*argv, "compressed") == 0)
179 form = POINT_CONVERSION_COMPRESSED;
180 else if (strcmp(*argv, "uncompressed") == 0)
181 form = POINT_CONVERSION_UNCOMPRESSED;
182 else if (strcmp(*argv, "hybrid") == 0)
183 form = POINT_CONVERSION_HYBRID;
184 else
185 goto bad;
186 } else if (strcmp(*argv, "-param_enc") == 0) {
187 if (--argc < 1)
188 goto bad;
189 ++argv;
190 new_asn1_flag = 1;
191 if (strcmp(*argv, "named_curve") == 0)
192 asn1_flag = OPENSSL_EC_NAMED_CURVE;
193 else if (strcmp(*argv, "explicit") == 0)
194 asn1_flag = 0;
195 else
196 goto bad;
197 } else if (strcmp(*argv, "-no_seed") == 0)
198 no_seed = 1;
199 else if (strcmp(*argv, "-noout") == 0)
200 noout = 1;
201 else if (strcmp(*argv, "-genkey") == 0) {
202 genkey = 1;
203 } else if (strcmp(*argv, "-engine") == 0) {
204 if (--argc < 1)
205 goto bad;
206 engine = *(++argv);
207 } else {
208 BIO_printf(bio_err, "unknown option %s\n", *argv);
209 badops = 1;
210 break;
211 }
212 argc--;
213 argv++;
214 }
215
216 if (badops) {
217bad:
218 BIO_printf(bio_err, "%s [options] <infile >outfile\n", prog);
219 BIO_printf(bio_err, "where options are\n");
220 BIO_printf(bio_err, " -inform arg input format - "
221 "default PEM (DER or PEM)\n");
222 BIO_printf(bio_err, " -outform arg output format - "
223 "default PEM\n");
224 BIO_printf(bio_err, " -in arg input file - "
225 "default stdin\n");
226 BIO_printf(bio_err, " -out arg output file - "
227 "default stdout\n");
228 BIO_printf(bio_err, " -noout do not print the "
229 "ec parameter\n");
230 BIO_printf(bio_err, " -text print the ec "
231 "parameters in text form\n");
232 BIO_printf(bio_err, " -check validate the ec "
233 "parameters\n");
234 BIO_printf(bio_err, " -C print a 'C' "
235 "function creating the parameters\n");
236 BIO_printf(bio_err, " -name arg use the "
237 "ec parameters with 'short name' name\n");
238 BIO_printf(bio_err, " -list_curves prints a list of "
239 "all currently available curve 'short names'\n");
240 BIO_printf(bio_err, " -conv_form arg specifies the "
241 "point conversion form \n");
242 BIO_printf(bio_err, " possible values:"
243 " compressed\n");
244 BIO_printf(bio_err, " "
245 " uncompressed (default)\n");
246 BIO_printf(bio_err, " "
247 " hybrid\n");
248 BIO_printf(bio_err, " -param_enc arg specifies the way"
249 " the ec parameters are encoded\n");
250 BIO_printf(bio_err, " in the asn1 der "
251 "encoding\n");
252 BIO_printf(bio_err, " possible values:"
253 " named_curve (default)\n");
254 BIO_printf(bio_err, " "
255 " explicit\n");
256 BIO_printf(bio_err, " -no_seed if 'explicit'"
257 " parameters are chosen do not"
258 " use the seed\n");
259 BIO_printf(bio_err, " -genkey generate ec"
260 " key\n");
261 BIO_printf(bio_err, " -engine e use engine e, "
262 "possibly a hardware device\n");
263 goto end;
264 }
265 ERR_load_crypto_strings();
266
267 in = BIO_new(BIO_s_file());
268 out = BIO_new(BIO_s_file());
269 if ((in == NULL) || (out == NULL)) {
270 ERR_print_errors(bio_err);
271 goto end;
272 }
273 if (infile == NULL)
274 BIO_set_fp(in, stdin, BIO_NOCLOSE);
275 else {
276 if (BIO_read_filename(in, infile) <= 0) {
277 perror(infile);
278 goto end;
279 }
280 }
281 if (outfile == NULL) {
282 BIO_set_fp(out, stdout, BIO_NOCLOSE);
283 } else {
284 if (BIO_write_filename(out, outfile) <= 0) {
285 perror(outfile);
286 goto end;
287 }
288 }
289
290#ifndef OPENSSL_NO_ENGINE
291 setup_engine(bio_err, engine, 0);
292#endif
293
294 if (list_curves) {
295 EC_builtin_curve *curves = NULL;
296 size_t crv_len = 0;
297 size_t n = 0;
298
299 crv_len = EC_get_builtin_curves(NULL, 0);
300
301 curves = reallocarray(NULL, crv_len, sizeof(EC_builtin_curve));
302
303 if (curves == NULL)
304 goto end;
305
306 if (!EC_get_builtin_curves(curves, crv_len)) {
307 free(curves);
308 goto end;
309 }
310 for (n = 0; n < crv_len; n++) {
311 const char *comment;
312 const char *sname;
313 comment = curves[n].comment;
314 sname = OBJ_nid2sn(curves[n].nid);
315 if (comment == NULL)
316 comment = "CURVE DESCRIPTION NOT AVAILABLE";
317 if (sname == NULL)
318 sname = "";
319
320 BIO_printf(out, " %-10s: ", sname);
321 BIO_printf(out, "%s\n", comment);
322 }
323
324 free(curves);
325 ret = 0;
326 goto end;
327 }
328 if (curve_name != NULL) {
329 int nid;
330
331 /*
332 * workaround for the SECG curve names secp192r1 and
333 * secp256r1 (which are the same as the curves prime192v1 and
334 * prime256v1 defined in X9.62)
335 */
336 if (!strcmp(curve_name, "secp192r1")) {
337 BIO_printf(bio_err, "using curve name prime192v1 "
338 "instead of secp192r1\n");
339 nid = NID_X9_62_prime192v1;
340 } else if (!strcmp(curve_name, "secp256r1")) {
341 BIO_printf(bio_err, "using curve name prime256v1 "
342 "instead of secp256r1\n");
343 nid = NID_X9_62_prime256v1;
344 } else
345 nid = OBJ_sn2nid(curve_name);
346
347 if (nid == 0) {
348 BIO_printf(bio_err, "unknown curve name (%s)\n",
349 curve_name);
350 goto end;
351 }
352 group = EC_GROUP_new_by_curve_name(nid);
353 if (group == NULL) {
354 BIO_printf(bio_err, "unable to create curve (%s)\n",
355 curve_name);
356 goto end;
357 }
358 EC_GROUP_set_asn1_flag(group, asn1_flag);
359 EC_GROUP_set_point_conversion_form(group, form);
360 } else if (informat == FORMAT_ASN1) {
361 group = d2i_ECPKParameters_bio(in, NULL);
362 } else if (informat == FORMAT_PEM) {
363 group = PEM_read_bio_ECPKParameters(in, NULL, NULL, NULL);
364 } else {
365 BIO_printf(bio_err, "bad input format specified\n");
366 goto end;
367 }
368
369 if (group == NULL) {
370 BIO_printf(bio_err,
371 "unable to load elliptic curve parameters\n");
372 ERR_print_errors(bio_err);
373 goto end;
374 }
375 if (new_form)
376 EC_GROUP_set_point_conversion_form(group, form);
377
378 if (new_asn1_flag)
379 EC_GROUP_set_asn1_flag(group, asn1_flag);
380
381 if (no_seed) {
382 EC_GROUP_set_seed(group, NULL, 0);
383 }
384 if (text) {
385 if (!ECPKParameters_print(out, group, 0))
386 goto end;
387 }
388 if (check) {
389 if (group == NULL)
390 BIO_printf(bio_err, "no elliptic curve parameters\n");
391 BIO_printf(bio_err, "checking elliptic curve parameters: ");
392 if (!EC_GROUP_check(group, NULL)) {
393 BIO_printf(bio_err, "failed\n");
394 ERR_print_errors(bio_err);
395 } else
396 BIO_printf(bio_err, "ok\n");
397
398 }
399 if (C) {
400 size_t buf_len = 0, tmp_len = 0;
401 const EC_POINT *point;
402 int is_prime, len = 0;
403 const EC_METHOD *meth = EC_GROUP_method_of(group);
404
405 if ((ec_p = BN_new()) == NULL || (ec_a = BN_new()) == NULL ||
406 (ec_b = BN_new()) == NULL || (ec_gen = BN_new()) == NULL ||
407 (ec_order = BN_new()) == NULL ||
408 (ec_cofactor = BN_new()) == NULL) {
409 perror("malloc");
410 goto end;
411 }
412 is_prime = (EC_METHOD_get_field_type(meth) ==
413 NID_X9_62_prime_field);
414
415 if (is_prime) {
416 if (!EC_GROUP_get_curve_GFp(group, ec_p, ec_a,
417 ec_b, NULL))
418 goto end;
419 } else {
420 /* TODO */
421 goto end;
422 }
423
424 if ((point = EC_GROUP_get0_generator(group)) == NULL)
425 goto end;
426 if (!EC_POINT_point2bn(group, point,
427 EC_GROUP_get_point_conversion_form(group), ec_gen,
428 NULL))
429 goto end;
430 if (!EC_GROUP_get_order(group, ec_order, NULL))
431 goto end;
432 if (!EC_GROUP_get_cofactor(group, ec_cofactor, NULL))
433 goto end;
434
435 if (!ec_p || !ec_a || !ec_b || !ec_gen ||
436 !ec_order || !ec_cofactor)
437 goto end;
438
439 len = BN_num_bits(ec_order);
440
441 if ((tmp_len = (size_t) BN_num_bytes(ec_p)) > buf_len)
442 buf_len = tmp_len;
443 if ((tmp_len = (size_t) BN_num_bytes(ec_a)) > buf_len)
444 buf_len = tmp_len;
445 if ((tmp_len = (size_t) BN_num_bytes(ec_b)) > buf_len)
446 buf_len = tmp_len;
447 if ((tmp_len = (size_t) BN_num_bytes(ec_gen)) > buf_len)
448 buf_len = tmp_len;
449 if ((tmp_len = (size_t) BN_num_bytes(ec_order)) > buf_len)
450 buf_len = tmp_len;
451 if ((tmp_len = (size_t) BN_num_bytes(ec_cofactor)) > buf_len)
452 buf_len = tmp_len;
453
454 buffer = malloc(buf_len);
455
456 if (buffer == NULL) {
457 perror("malloc");
458 goto end;
459 }
460 ecparam_print_var(out, ec_p, "ec_p", len, buffer);
461 ecparam_print_var(out, ec_a, "ec_a", len, buffer);
462 ecparam_print_var(out, ec_b, "ec_b", len, buffer);
463 ecparam_print_var(out, ec_gen, "ec_gen", len, buffer);
464 ecparam_print_var(out, ec_order, "ec_order", len, buffer);
465 ecparam_print_var(out, ec_cofactor, "ec_cofactor", len,
466 buffer);
467
468 BIO_printf(out, "\n\n");
469
470 BIO_printf(out, "EC_GROUP *get_ec_group_%d(void)\n\t{\n", len);
471 BIO_printf(out, "\tint ok=0;\n");
472 BIO_printf(out, "\tEC_GROUP *group = NULL;\n");
473 BIO_printf(out, "\tEC_POINT *point = NULL;\n");
474 BIO_printf(out, "\tBIGNUM *tmp_1 = NULL, *tmp_2 = NULL, "
475 "*tmp_3 = NULL;\n\n");
476 BIO_printf(out, "\tif ((tmp_1 = BN_bin2bn(ec_p_%d, "
477 "sizeof(ec_p_%d), NULL)) == NULL)\n\t\t"
478 "goto err;\n", len, len);
479 BIO_printf(out, "\tif ((tmp_2 = BN_bin2bn(ec_a_%d, "
480 "sizeof(ec_a_%d), NULL)) == NULL)\n\t\t"
481 "goto err;\n", len, len);
482 BIO_printf(out, "\tif ((tmp_3 = BN_bin2bn(ec_b_%d, "
483 "sizeof(ec_b_%d), NULL)) == NULL)\n\t\t"
484 "goto err;\n", len, len);
485 if (is_prime) {
486 BIO_printf(out, "\tif ((group = EC_GROUP_new_curve_"
487 "GFp(tmp_1, tmp_2, tmp_3, NULL)) == NULL)"
488 "\n\t\tgoto err;\n\n");
489 } else {
490 /* TODO */
491 goto end;
492 }
493 BIO_printf(out, "\t/* build generator */\n");
494 BIO_printf(out, "\tif ((tmp_1 = BN_bin2bn(ec_gen_%d, "
495 "sizeof(ec_gen_%d), tmp_1)) == NULL)"
496 "\n\t\tgoto err;\n", len, len);
497 BIO_printf(out, "\tpoint = EC_POINT_bn2point(group, tmp_1, "
498 "NULL, NULL);\n");
499 BIO_printf(out, "\tif (point == NULL)\n\t\tgoto err;\n");
500 BIO_printf(out, "\tif ((tmp_2 = BN_bin2bn(ec_order_%d, "
501 "sizeof(ec_order_%d), tmp_2)) == NULL)"
502 "\n\t\tgoto err;\n", len, len);
503 BIO_printf(out, "\tif ((tmp_3 = BN_bin2bn(ec_cofactor_%d, "
504 "sizeof(ec_cofactor_%d), tmp_3)) == NULL)"
505 "\n\t\tgoto err;\n", len, len);
506 BIO_printf(out, "\tif (!EC_GROUP_set_generator(group, point,"
507 " tmp_2, tmp_3))\n\t\tgoto err;\n");
508 BIO_printf(out, "\n\tok=1;\n");
509 BIO_printf(out, "err:\n");
510 BIO_printf(out, "\tif (tmp_1)\n\t\tBN_free(tmp_1);\n");
511 BIO_printf(out, "\tif (tmp_2)\n\t\tBN_free(tmp_2);\n");
512 BIO_printf(out, "\tif (tmp_3)\n\t\tBN_free(tmp_3);\n");
513 BIO_printf(out, "\tif (point)\n\t\tEC_POINT_free(point);\n");
514 BIO_printf(out, "\tif (!ok)\n");
515 BIO_printf(out, "\t\t{\n");
516 BIO_printf(out, "\t\tEC_GROUP_free(group);\n");
517 BIO_printf(out, "\t\tgroup = NULL;\n");
518 BIO_printf(out, "\t\t}\n");
519 BIO_printf(out, "\treturn(group);\n\t}\n");
520 }
521 if (!noout) {
522 if (outformat == FORMAT_ASN1)
523 i = i2d_ECPKParameters_bio(out, group);
524 else if (outformat == FORMAT_PEM)
525 i = PEM_write_bio_ECPKParameters(out, group);
526 else {
527 BIO_printf(bio_err, "bad output format specified for"
528 " outfile\n");
529 goto end;
530 }
531 if (!i) {
532 BIO_printf(bio_err, "unable to write elliptic "
533 "curve parameters\n");
534 ERR_print_errors(bio_err);
535 goto end;
536 }
537 }
538 if (genkey) {
539 EC_KEY *eckey = EC_KEY_new();
540
541 if (eckey == NULL)
542 goto end;
543
544 if (EC_KEY_set_group(eckey, group) == 0) {
545 EC_KEY_free(eckey);
546 goto end;
547 }
548
549 if (!EC_KEY_generate_key(eckey)) {
550 EC_KEY_free(eckey);
551 goto end;
552 }
553 if (outformat == FORMAT_ASN1)
554 i = i2d_ECPrivateKey_bio(out, eckey);
555 else if (outformat == FORMAT_PEM)
556 i = PEM_write_bio_ECPrivateKey(out, eckey, NULL,
557 NULL, 0, NULL, NULL);
558 else {
559 BIO_printf(bio_err, "bad output format specified "
560 "for outfile\n");
561 EC_KEY_free(eckey);
562 goto end;
563 }
564 EC_KEY_free(eckey);
565 }
566 ret = 0;
567end:
568 if (ec_p)
569 BN_free(ec_p);
570 if (ec_a)
571 BN_free(ec_a);
572 if (ec_b)
573 BN_free(ec_b);
574 if (ec_gen)
575 BN_free(ec_gen);
576 if (ec_order)
577 BN_free(ec_order);
578 if (ec_cofactor)
579 BN_free(ec_cofactor);
580 free(buffer);
581 BIO_free(in);
582 if (out != NULL)
583 BIO_free_all(out);
584 if (group != NULL)
585 EC_GROUP_free(group);
586
587 return (ret);
588}
589
590static int
591ecparam_print_var(BIO * out, BIGNUM * in, const char *var,
592 int len, unsigned char *buffer)
593{
594 BIO_printf(out, "static unsigned char %s_%d[] = {", var, len);
595 if (BN_is_zero(in))
596 BIO_printf(out, "\n\t0x00");
597 else {
598 int i, l;
599
600 l = BN_bn2bin(in, buffer);
601 for (i = 0; i < l - 1; i++) {
602 if ((i % 12) == 0)
603 BIO_printf(out, "\n\t");
604 BIO_printf(out, "0x%02X,", buffer[i]);
605 }
606 if ((i % 12) == 0)
607 BIO_printf(out, "\n\t");
608 BIO_printf(out, "0x%02X", buffer[i]);
609 }
610 BIO_printf(out, "\n\t};\n\n");
611 return 1;
612}
613#endif
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-10-26 19:49:21 +0000