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1.2 ! jsing 1: /* $OpenBSD: ecparam.c,v 1.1 2014/08/26 17:47:24 jsing Exp $ */
1.1 jsing 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:
114: static int ecparam_print_var(BIO *, BIGNUM *, const char *, int, unsigned char *);
115:
116: int ecparam_main(int, char **);
117:
118: int
119: ecparam_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) {
217: bad:
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:
266: in = BIO_new(BIO_s_file());
267: out = BIO_new(BIO_s_file());
268: if ((in == NULL) || (out == NULL)) {
269: ERR_print_errors(bio_err);
270: goto end;
271: }
272: if (infile == NULL)
273: BIO_set_fp(in, stdin, BIO_NOCLOSE);
274: else {
275: if (BIO_read_filename(in, infile) <= 0) {
276: perror(infile);
277: goto end;
278: }
279: }
280: if (outfile == NULL) {
281: BIO_set_fp(out, stdout, BIO_NOCLOSE);
282: } else {
283: if (BIO_write_filename(out, outfile) <= 0) {
284: perror(outfile);
285: goto end;
286: }
287: }
288:
289: #ifndef OPENSSL_NO_ENGINE
290: setup_engine(bio_err, engine, 0);
291: #endif
292:
293: if (list_curves) {
294: EC_builtin_curve *curves = NULL;
295: size_t crv_len = 0;
296: size_t n = 0;
297:
298: crv_len = EC_get_builtin_curves(NULL, 0);
299:
300: curves = reallocarray(NULL, crv_len, sizeof(EC_builtin_curve));
301:
302: if (curves == NULL)
303: goto end;
304:
305: if (!EC_get_builtin_curves(curves, crv_len)) {
306: free(curves);
307: goto end;
308: }
309: for (n = 0; n < crv_len; n++) {
310: const char *comment;
311: const char *sname;
312: comment = curves[n].comment;
313: sname = OBJ_nid2sn(curves[n].nid);
314: if (comment == NULL)
315: comment = "CURVE DESCRIPTION NOT AVAILABLE";
316: if (sname == NULL)
317: sname = "";
318:
319: BIO_printf(out, " %-10s: ", sname);
320: BIO_printf(out, "%s\n", comment);
321: }
322:
323: free(curves);
324: ret = 0;
325: goto end;
326: }
327: if (curve_name != NULL) {
328: int nid;
329:
330: /*
331: * workaround for the SECG curve names secp192r1 and
332: * secp256r1 (which are the same as the curves prime192v1 and
333: * prime256v1 defined in X9.62)
334: */
335: if (!strcmp(curve_name, "secp192r1")) {
336: BIO_printf(bio_err, "using curve name prime192v1 "
337: "instead of secp192r1\n");
338: nid = NID_X9_62_prime192v1;
339: } else if (!strcmp(curve_name, "secp256r1")) {
340: BIO_printf(bio_err, "using curve name prime256v1 "
341: "instead of secp256r1\n");
342: nid = NID_X9_62_prime256v1;
343: } else
344: nid = OBJ_sn2nid(curve_name);
345:
346: if (nid == 0) {
347: BIO_printf(bio_err, "unknown curve name (%s)\n",
348: curve_name);
349: goto end;
350: }
351: group = EC_GROUP_new_by_curve_name(nid);
352: if (group == NULL) {
353: BIO_printf(bio_err, "unable to create curve (%s)\n",
354: curve_name);
355: goto end;
356: }
357: EC_GROUP_set_asn1_flag(group, asn1_flag);
358: EC_GROUP_set_point_conversion_form(group, form);
359: } else if (informat == FORMAT_ASN1) {
360: group = d2i_ECPKParameters_bio(in, NULL);
361: } else if (informat == FORMAT_PEM) {
362: group = PEM_read_bio_ECPKParameters(in, NULL, NULL, NULL);
363: } else {
364: BIO_printf(bio_err, "bad input format specified\n");
365: goto end;
366: }
367:
368: if (group == NULL) {
369: BIO_printf(bio_err,
370: "unable to load elliptic curve parameters\n");
371: ERR_print_errors(bio_err);
372: goto end;
373: }
374: if (new_form)
375: EC_GROUP_set_point_conversion_form(group, form);
376:
377: if (new_asn1_flag)
378: EC_GROUP_set_asn1_flag(group, asn1_flag);
379:
380: if (no_seed) {
381: EC_GROUP_set_seed(group, NULL, 0);
382: }
383: if (text) {
384: if (!ECPKParameters_print(out, group, 0))
385: goto end;
386: }
387: if (check) {
388: if (group == NULL)
389: BIO_printf(bio_err, "no elliptic curve parameters\n");
390: BIO_printf(bio_err, "checking elliptic curve parameters: ");
391: if (!EC_GROUP_check(group, NULL)) {
392: BIO_printf(bio_err, "failed\n");
393: ERR_print_errors(bio_err);
394: } else
395: BIO_printf(bio_err, "ok\n");
396:
397: }
398: if (C) {
399: size_t buf_len = 0, tmp_len = 0;
400: const EC_POINT *point;
401: int is_prime, len = 0;
402: const EC_METHOD *meth = EC_GROUP_method_of(group);
403:
404: if ((ec_p = BN_new()) == NULL || (ec_a = BN_new()) == NULL ||
405: (ec_b = BN_new()) == NULL || (ec_gen = BN_new()) == NULL ||
406: (ec_order = BN_new()) == NULL ||
407: (ec_cofactor = BN_new()) == NULL) {
408: perror("malloc");
409: goto end;
410: }
411: is_prime = (EC_METHOD_get_field_type(meth) ==
412: NID_X9_62_prime_field);
413:
414: if (is_prime) {
415: if (!EC_GROUP_get_curve_GFp(group, ec_p, ec_a,
416: ec_b, NULL))
417: goto end;
418: } else {
419: /* TODO */
420: goto end;
421: }
422:
423: if ((point = EC_GROUP_get0_generator(group)) == NULL)
424: goto end;
425: if (!EC_POINT_point2bn(group, point,
426: EC_GROUP_get_point_conversion_form(group), ec_gen,
427: NULL))
428: goto end;
429: if (!EC_GROUP_get_order(group, ec_order, NULL))
430: goto end;
431: if (!EC_GROUP_get_cofactor(group, ec_cofactor, NULL))
432: goto end;
433:
434: if (!ec_p || !ec_a || !ec_b || !ec_gen ||
435: !ec_order || !ec_cofactor)
436: goto end;
437:
438: len = BN_num_bits(ec_order);
439:
440: if ((tmp_len = (size_t) BN_num_bytes(ec_p)) > buf_len)
441: buf_len = tmp_len;
442: if ((tmp_len = (size_t) BN_num_bytes(ec_a)) > buf_len)
443: buf_len = tmp_len;
444: if ((tmp_len = (size_t) BN_num_bytes(ec_b)) > buf_len)
445: buf_len = tmp_len;
446: if ((tmp_len = (size_t) BN_num_bytes(ec_gen)) > buf_len)
447: buf_len = tmp_len;
448: if ((tmp_len = (size_t) BN_num_bytes(ec_order)) > buf_len)
449: buf_len = tmp_len;
450: if ((tmp_len = (size_t) BN_num_bytes(ec_cofactor)) > buf_len)
451: buf_len = tmp_len;
452:
453: buffer = malloc(buf_len);
454:
455: if (buffer == NULL) {
456: perror("malloc");
457: goto end;
458: }
459: ecparam_print_var(out, ec_p, "ec_p", len, buffer);
460: ecparam_print_var(out, ec_a, "ec_a", len, buffer);
461: ecparam_print_var(out, ec_b, "ec_b", len, buffer);
462: ecparam_print_var(out, ec_gen, "ec_gen", len, buffer);
463: ecparam_print_var(out, ec_order, "ec_order", len, buffer);
464: ecparam_print_var(out, ec_cofactor, "ec_cofactor", len,
465: buffer);
466:
467: BIO_printf(out, "\n\n");
468:
469: BIO_printf(out, "EC_GROUP *get_ec_group_%d(void)\n\t{\n", len);
470: BIO_printf(out, "\tint ok=0;\n");
471: BIO_printf(out, "\tEC_GROUP *group = NULL;\n");
472: BIO_printf(out, "\tEC_POINT *point = NULL;\n");
473: BIO_printf(out, "\tBIGNUM *tmp_1 = NULL, *tmp_2 = NULL, "
474: "*tmp_3 = NULL;\n\n");
475: BIO_printf(out, "\tif ((tmp_1 = BN_bin2bn(ec_p_%d, "
476: "sizeof(ec_p_%d), NULL)) == NULL)\n\t\t"
477: "goto err;\n", len, len);
478: BIO_printf(out, "\tif ((tmp_2 = BN_bin2bn(ec_a_%d, "
479: "sizeof(ec_a_%d), NULL)) == NULL)\n\t\t"
480: "goto err;\n", len, len);
481: BIO_printf(out, "\tif ((tmp_3 = BN_bin2bn(ec_b_%d, "
482: "sizeof(ec_b_%d), NULL)) == NULL)\n\t\t"
483: "goto err;\n", len, len);
484: if (is_prime) {
485: BIO_printf(out, "\tif ((group = EC_GROUP_new_curve_"
486: "GFp(tmp_1, tmp_2, tmp_3, NULL)) == NULL)"
487: "\n\t\tgoto err;\n\n");
488: } else {
489: /* TODO */
490: goto end;
491: }
492: BIO_printf(out, "\t/* build generator */\n");
493: BIO_printf(out, "\tif ((tmp_1 = BN_bin2bn(ec_gen_%d, "
494: "sizeof(ec_gen_%d), tmp_1)) == NULL)"
495: "\n\t\tgoto err;\n", len, len);
496: BIO_printf(out, "\tpoint = EC_POINT_bn2point(group, tmp_1, "
497: "NULL, NULL);\n");
498: BIO_printf(out, "\tif (point == NULL)\n\t\tgoto err;\n");
499: BIO_printf(out, "\tif ((tmp_2 = BN_bin2bn(ec_order_%d, "
500: "sizeof(ec_order_%d), tmp_2)) == NULL)"
501: "\n\t\tgoto err;\n", len, len);
502: BIO_printf(out, "\tif ((tmp_3 = BN_bin2bn(ec_cofactor_%d, "
503: "sizeof(ec_cofactor_%d), tmp_3)) == NULL)"
504: "\n\t\tgoto err;\n", len, len);
505: BIO_printf(out, "\tif (!EC_GROUP_set_generator(group, point,"
506: " tmp_2, tmp_3))\n\t\tgoto err;\n");
507: BIO_printf(out, "\n\tok=1;\n");
508: BIO_printf(out, "err:\n");
509: BIO_printf(out, "\tif (tmp_1)\n\t\tBN_free(tmp_1);\n");
510: BIO_printf(out, "\tif (tmp_2)\n\t\tBN_free(tmp_2);\n");
511: BIO_printf(out, "\tif (tmp_3)\n\t\tBN_free(tmp_3);\n");
512: BIO_printf(out, "\tif (point)\n\t\tEC_POINT_free(point);\n");
513: BIO_printf(out, "\tif (!ok)\n");
514: BIO_printf(out, "\t\t{\n");
515: BIO_printf(out, "\t\tEC_GROUP_free(group);\n");
516: BIO_printf(out, "\t\tgroup = NULL;\n");
517: BIO_printf(out, "\t\t}\n");
518: BIO_printf(out, "\treturn(group);\n\t}\n");
519: }
520: if (!noout) {
521: if (outformat == FORMAT_ASN1)
522: i = i2d_ECPKParameters_bio(out, group);
523: else if (outformat == FORMAT_PEM)
524: i = PEM_write_bio_ECPKParameters(out, group);
525: else {
526: BIO_printf(bio_err, "bad output format specified for"
527: " outfile\n");
528: goto end;
529: }
530: if (!i) {
531: BIO_printf(bio_err, "unable to write elliptic "
532: "curve parameters\n");
533: ERR_print_errors(bio_err);
534: goto end;
535: }
536: }
537: if (genkey) {
538: EC_KEY *eckey = EC_KEY_new();
539:
540: if (eckey == NULL)
541: goto end;
542:
543: if (EC_KEY_set_group(eckey, group) == 0) {
544: EC_KEY_free(eckey);
545: goto end;
546: }
547:
548: if (!EC_KEY_generate_key(eckey)) {
549: EC_KEY_free(eckey);
550: goto end;
551: }
552: if (outformat == FORMAT_ASN1)
553: i = i2d_ECPrivateKey_bio(out, eckey);
554: else if (outformat == FORMAT_PEM)
555: i = PEM_write_bio_ECPrivateKey(out, eckey, NULL,
556: NULL, 0, NULL, NULL);
557: else {
558: BIO_printf(bio_err, "bad output format specified "
559: "for outfile\n");
560: EC_KEY_free(eckey);
561: goto end;
562: }
563: EC_KEY_free(eckey);
564: }
565: ret = 0;
566: end:
567: if (ec_p)
568: BN_free(ec_p);
569: if (ec_a)
570: BN_free(ec_a);
571: if (ec_b)
572: BN_free(ec_b);
573: if (ec_gen)
574: BN_free(ec_gen);
575: if (ec_order)
576: BN_free(ec_order);
577: if (ec_cofactor)
578: BN_free(ec_cofactor);
579: free(buffer);
580: BIO_free(in);
581: if (out != NULL)
582: BIO_free_all(out);
583: if (group != NULL)
584: EC_GROUP_free(group);
585:
586: return (ret);
587: }
588:
589: static int
590: ecparam_print_var(BIO * out, BIGNUM * in, const char *var,
591: int len, unsigned char *buffer)
592: {
593: BIO_printf(out, "static unsigned char %s_%d[] = {", var, len);
594: if (BN_is_zero(in))
595: BIO_printf(out, "\n\t0x00");
596: else {
597: int i, l;
598:
599: l = BN_bn2bin(in, buffer);
600: for (i = 0; i < l - 1; i++) {
601: if ((i % 12) == 0)
602: BIO_printf(out, "\n\t");
603: BIO_printf(out, "0x%02X,", buffer[i]);
604: }
605: if ((i % 12) == 0)
606: BIO_printf(out, "\n\t");
607: BIO_printf(out, "0x%02X", buffer[i]);
608: }
609: BIO_printf(out, "\n\t};\n\n");
610: return 1;
611: }
612: #endif