1 /* apps/ecdsaparam.c */
2 /* ====================================================================
3 * Copyright (c) 1998-2002 The OpenSSL Project. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
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
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/)"
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.
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.
31 * 6. Redistributions of any form whatsoever must retain the following
33 * "This product includes software developed by the OpenSSL Project
34 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
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 * ====================================================================
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).
55 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
56 * All rights reserved.
58 * This package is an SSL implementation written
59 * by Eric Young (eay@cryptsoft.com).
60 * The implementation was written so as to conform with Netscapes SSL.
62 * This library is free for commercial and non-commercial use as long as
63 * the following conditions are aheared to. The following conditions
64 * apply to all code found in this distribution, be it the RC4, RSA,
65 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
66 * included with this distribution is covered by the same copyright terms
67 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
69 * Copyright remains Eric Young's, and as such any Copyright notices in
70 * the code are not to be removed.
71 * If this package is used in a product, Eric Young should be given attribution
72 * as the author of the parts of the library used.
73 * This can be in the form of a textual message at program startup or
74 * in documentation (online or textual) provided with the package.
76 * Redistribution and use in source and binary forms, with or without
77 * modification, are permitted provided that the following conditions
79 * 1. Redistributions of source code must retain the copyright
80 * notice, this list of conditions and the following disclaimer.
81 * 2. Redistributions in binary form must reproduce the above copyright
82 * notice, this list of conditions and the following disclaimer in the
83 * documentation and/or other materials provided with the distribution.
84 * 3. All advertising materials mentioning features or use of this software
85 * must display the following acknowledgement:
86 * "This product includes cryptographic software written by
87 * Eric Young (eay@cryptsoft.com)"
88 * The word 'cryptographic' can be left out if the rouines from the library
89 * being used are not cryptographic related :-).
90 * 4. If you include any Windows specific code (or a derivative thereof) from
91 * the apps directory (application code) you must include an acknowledgement:
92 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
94 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
95 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
96 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
97 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
98 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
99 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
100 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
101 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
102 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
103 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
106 * The licence and distribution terms for any publically available version or
107 * derivative of this code cannot be changed. i.e. this code cannot simply be
108 * copied and put under another distribution licence
109 * [including the GNU Public Licence.]
112 #ifndef OPENSSL_NO_ECDSA
119 #include <openssl/bio.h>
120 #include <openssl/err.h>
121 #include <openssl/bn.h>
122 #include <openssl/ec.h>
123 #include <openssl/ecdsa.h>
124 #include <openssl/x509.h>
125 #include <openssl/pem.h>
128 #define PROG ecdsaparam_main
130 /* -inform arg - input format - default PEM (DER or PEM)
131 * -outform arg - output format - default PEM
132 * -in arg - input file - default stdin
133 * -out arg - output file - default stdout
136 * -check - validate the ec parameters
139 * -genkey - generate a private public keypair based on the supplied curve
140 * -named_curve - use the curve oid instead of the parameters
141 * -NIST_192 - use the NIST recommended curve parameters over a 192 bit prime field
142 * -NIST_224 - use the NIST recommended curve parameters over a 224 bit prime field
143 * -NIST_256 - use the NIST recommended curve parameters over a 256 bit prime field
144 * -NIST_384 - use the NIST recommended curve parameters over a 384 bit prime field
145 * -NIST_521 - use the NIST recommended curve parameters over a 521 bit prime field
146 * -X9_62_192v1 - use the X9_62 192v1 example curve over a 192 bit prime field
147 * -X9_62_192v2 - use the X9_62 192v2 example curve over a 192 bit prime field
148 * -X9_62_192v3 - use the X9_62 192v3 example curve over a 192 bit prime field
149 * -X9_62_239v1 - use the X9_62 239v1 example curve over a 239 bit prime field
150 * -X9_62_239v2 - use the X9_62 239v2 example curve over a 239 bit prime field
151 * -X9_62_239v3 - use the X9_62 239v3 example curve over a 239 bit prime field
152 * -X9_62_256v1 - use the X9_62 239v1 example curve over a 256 bit prime field
153 * -SECG_PRIME_112R1 - use the SECG 112r1 recommended curve over a 112 bit prime field
154 * -SECG_PRIME_112R2 - use the SECG 112r2 recommended curve over a 112 bit prime field
155 * -SECG_PRIME_128R1 - use the SECG 128r1 recommended curve over a 128 bit prime field
156 * -SECG_PRIME_128R2 - use the SECG 128r2 recommended curve over a 128 bit prime field
157 * -SECG_PRIME_160K1 - use the SECG 160k1 recommended curve over a 160 bit prime field
158 * -SECG_PRIME_160R1 - use the SECG 160r1 recommended curve over a 160 bit prime field
159 * -SECG_PRIME_160R2 - use the SECG 160r2 recommended curve over a 160 bit prime field
160 * -SECG_PRIME_192K1 - use the SECG 192k1 recommended curve over a 192 bit prime field
161 * -SECG_PRIME_192R1 - use the SECG 192r1 recommended curve over a 192 bit prime field
162 * -SECG_PRIME_224K1 - use the SECG 224k1 recommended curve over a 224 bit prime field
163 * -SECG_PRIME_224R1 - use the SECG 224r1 recommended curve over a 224 bit prime field
164 * -SECG_PRIME_256K1 - use the SECG 256k1 recommended curve over a 256 bit prime field
165 * -SECG_PRIME_256R1 - use the SECG 256r1 recommended curve over a 256 bit prime field
166 * -SECG_PRIME_384R1 - use the SECG 384r1 recommended curve over a 384 bit prime field
167 * -SECG_PRIME_521R1 - use the SECG 521r1 recommended curve over a 521 bit prime field
168 * -WTLS_6 - use the WAP/WTLS recommended curve number 6 over a 112 bit field
169 * -WTLS_8 - use the WAP/WTLS recommended curve number 8 over a 112 bit field
170 * -WTLS_9 - use the WAP/WTLS recommended curve number 9 over a 160 bit field
173 int MAIN(int, char **);
175 int MAIN(int argc, char **argv)
179 int i, badops = 0, text = 0;
180 BIO *in = NULL, *out = NULL;
181 int informat, outformat, noout = 0, C = 0, ret = 1;
182 char *infile, *outfile, *prog, *inrand = NULL;
187 int curve_type = EC_GROUP_NO_CURVE;
189 BIGNUM *tmp_1 = NULL, *tmp_2 = NULL, *tmp_3 = NULL, *tmp_4 = NULL, *tmp_5 = NULL,
190 *tmp_6 = NULL, *tmp_7 = NULL;
192 EC_POINT *point = NULL;
193 unsigned char *data = NULL;
198 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
199 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
201 if (!load_config(bio_err, NULL))
207 outformat=FORMAT_PEM;
214 if (strcmp(*argv,"-inform") == 0)
216 if (--argc < 1) goto bad;
217 informat=str2fmt(*(++argv));
219 else if (strcmp(*argv,"-outform") == 0)
221 if (--argc < 1) goto bad;
222 outformat=str2fmt(*(++argv));
224 else if (strcmp(*argv,"-in") == 0)
226 if (--argc < 1) goto bad;
229 else if (strcmp(*argv,"-out") == 0)
231 if (--argc < 1) goto bad;
234 else if(strcmp(*argv, "-engine") == 0)
236 if (--argc < 1) goto bad;
239 else if (strcmp(*argv,"-text") == 0)
241 else if (strcmp(*argv,"-C") == 0)
243 else if (strcmp(*argv,"-check") == 0)
245 else if (strcmp(*argv,"-genkey") == 0)
250 else if (strcmp(*argv,"-rand") == 0)
252 if (--argc < 1) goto bad;
256 else if (strcmp(*argv, "-named_curve") == 0)
258 else if (strcmp(*argv, "-NIST_192") == 0)
259 curve_type = EC_GROUP_NIST_PRIME_192;
260 else if (strcmp(*argv, "-NIST_224") == 0)
261 curve_type = EC_GROUP_NIST_PRIME_224;
262 else if (strcmp(*argv, "-NIST_256") == 0)
263 curve_type = EC_GROUP_NIST_PRIME_256;
264 else if (strcmp(*argv, "-NIST_384") == 0)
265 curve_type = EC_GROUP_NIST_PRIME_384;
266 else if (strcmp(*argv, "-NIST_521") == 0)
267 curve_type = EC_GROUP_NIST_PRIME_521;
268 else if (strcmp(*argv, "-X9_62_192v1") == 0)
269 curve_type = EC_GROUP_X9_62_PRIME_192V1;
270 else if (strcmp(*argv, "-X9_62_192v2") == 0)
271 curve_type = EC_GROUP_X9_62_PRIME_192V2;
272 else if (strcmp(*argv, "-X9_62_192v3") == 0)
273 curve_type = EC_GROUP_X9_62_PRIME_192V3;
274 else if (strcmp(*argv, "-X9_62_239v1") == 0)
275 curve_type = EC_GROUP_X9_62_PRIME_239V1;
276 else if (strcmp(*argv, "-X9_62_239v2") == 0)
277 curve_type = EC_GROUP_X9_62_PRIME_239V2;
278 else if (strcmp(*argv, "-X9_62_239v3") == 0)
279 curve_type = EC_GROUP_X9_62_PRIME_239V3;
280 else if (strcmp(*argv, "-X9_62_256v1") == 0)
281 curve_type = EC_GROUP_X9_62_PRIME_256V1;
282 else if (strcmp(*argv, "-SECG_PRIME_112R1") == 0)
283 curve_type = EC_GROUP_SECG_PRIME_112R1;
284 else if (strcmp(*argv, "-SECG_PRIME_112R2") == 0)
285 curve_type = EC_GROUP_SECG_PRIME_112R2;
286 else if (strcmp(*argv, "-SECG_PRIME_128R1") == 0)
287 curve_type = EC_GROUP_SECG_PRIME_128R1;
288 else if (strcmp(*argv, "-SECG_PRIME_128R2") == 0)
289 curve_type = EC_GROUP_SECG_PRIME_128R2;
290 else if (strcmp(*argv, "-SECG_PRIME_160K1") == 0)
291 curve_type = EC_GROUP_SECG_PRIME_160K1;
292 else if (strcmp(*argv, "-SECG_PRIME_160R1") == 0)
293 curve_type = EC_GROUP_SECG_PRIME_160R1;
294 else if (strcmp(*argv, "-SECG_PRIME_160R2") == 0)
295 curve_type = EC_GROUP_SECG_PRIME_160R2;
296 else if (strcmp(*argv, "-SECG_PRIME_192K1") == 0)
297 curve_type = EC_GROUP_SECG_PRIME_192K1;
298 else if (strcmp(*argv, "-SECG_PRIME_192R1") == 0)
299 curve_type = EC_GROUP_SECG_PRIME_192R1;
300 else if (strcmp(*argv, "-SECG_PRIME_224K1") == 0)
301 curve_type = EC_GROUP_SECG_PRIME_224K1;
302 else if (strcmp(*argv, "-SECG_PRIME_224R1") == 0)
303 curve_type = EC_GROUP_SECG_PRIME_224R1;
304 else if (strcmp(*argv, "-SECG_PRIME_256K1") == 0)
305 curve_type = EC_GROUP_SECG_PRIME_256K1;
306 else if (strcmp(*argv, "-SECG_PRIME_256R1") == 0)
307 curve_type = EC_GROUP_SECG_PRIME_256R1;
308 else if (strcmp(*argv, "-SECG_PRIME_384R1") == 0)
309 curve_type = EC_GROUP_SECG_PRIME_384R1;
310 else if (strcmp(*argv, "-SECG_PRIME_521R1") == 0)
311 curve_type = EC_GROUP_SECG_PRIME_521R1;
312 else if (strcmp(*argv, "-WTLS_6") == 0)
313 curve_type = EC_GROUP_WTLS_6;
314 else if (strcmp(*argv, "-WTLS_8") == 0)
315 curve_type = EC_GROUP_WTLS_8;
316 else if (strcmp(*argv, "-WTLS_9") == 0)
317 curve_type = EC_GROUP_WTLS_9;
318 else if (strcmp(*argv, "-noout") == 0)
322 BIO_printf(bio_err,"unknown option %s\n",*argv);
333 BIO_printf(bio_err,"%s [options] [bits] <infile >outfile\n",prog);
334 BIO_printf(bio_err,"where options are\n");
335 BIO_printf(bio_err," -inform arg input format - DER or PEM\n");
336 BIO_printf(bio_err," -outform arg output format - DER or PEM\n");
337 BIO_printf(bio_err," -in arg input file\n");
338 BIO_printf(bio_err," -out arg output file\n");
339 BIO_printf(bio_err," -text print as text\n");
340 BIO_printf(bio_err," -C Output C code\n");
341 BIO_printf(bio_err," -check validate the ec parameters\n");
342 BIO_printf(bio_err," -noout no output\n");
343 BIO_printf(bio_err," -rand files to use for random number input\n");
344 BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n");
345 BIO_printf(bio_err," -named_curve use the curve oid instead of the parameters\n");
346 BIO_printf(bio_err," -NIST_192 use the NIST recommended curve parameters over a 192 bit prime field\n");
347 BIO_printf(bio_err," -NIST_224 use the NIST recommended curve parameters over a 224 bit prime field\n");
348 BIO_printf(bio_err," -NIST_256 use the NIST recommended curve parameters over a 256 bit prime field\n");
349 BIO_printf(bio_err," -NIST_384 use the NIST recommended curve parameters over a 384 bit prime field\n");
350 BIO_printf(bio_err," -NIST_521 use the NIST recommended curve parameters over a 521 bit prime field\n");
351 BIO_printf(bio_err," -X9_62_192v1 use the X9_62 192v1 example curve over a 192 bit prime field\n");
352 BIO_printf(bio_err," -X9_62_192v2 use the X9_62 192v2 example curve over a 192 bit prime field\n");
353 BIO_printf(bio_err," -X9_62_192v3 use the X9_62 192v3 example curve over a 192 bit prime field\n");
354 BIO_printf(bio_err," -X9_62_239v1 use the X9_62 239v1 example curve over a 239 bit prime field\n");
355 BIO_printf(bio_err," -X9_62_239v2 use the X9_62 239v2 example curve over a 239 bit prime field\n");
356 BIO_printf(bio_err," -X9_62_239v3 use the X9_62 239v3 example curve over a 239 bit prime field\n");
357 BIO_printf(bio_err," -X9_62_256v1 use the X9_62 239v1 example curve over a 256 bit prime field\n");
358 BIO_printf(bio_err," -SECG_PRIME_112R1 use the SECG 112r1 recommended curve over a 112 bit prime field\n");
359 BIO_printf(bio_err," -SECG_PRIME_112R2 use the SECG 112r2 recommended curve over a 112 bit prime field\n");
360 BIO_printf(bio_err," -SECG_PRIME_128R1 use the SECG 128r1 recommended curve over a 128 bit prime field\n");
361 BIO_printf(bio_err," -SECG_PRIME_128R2 use the SECG 128r2 recommended curve over a 128 bit prime field\n");
362 BIO_printf(bio_err," -SECG_PRIME_160K1 use the SECG 160k1 recommended curve over a 160 bit prime field\n");
363 BIO_printf(bio_err," -SECG_PRIME_160R1 use the SECG 160r1 recommended curve over a 160 bit prime field\n");
364 BIO_printf(bio_err," -SECG_PRIME_160R2 use the SECG 160r2 recommended curve over a 160 bit prime field\n");
365 BIO_printf(bio_err," -SECG_PRIME_192K1 use the SECG 192k1 recommended curve over a 192 bit prime field\n");
366 BIO_printf(bio_err," -SECG_PRIME_192R1 use the SECG 192r1 recommended curve over a 192 bit prime field\n");
367 BIO_printf(bio_err," -SECG_PRIME_224K1 use the SECG 224k1 recommended curve over a 224 bit prime field\n");
368 BIO_printf(bio_err," -SECG_PRIME_224R1 use the SECG 224r1 recommended curve over a 224 bit prime field\n");
369 BIO_printf(bio_err," -SECG_PRIME_256K1 use the SECG 256k1 recommended curve over a 256 bit prime field\n");
370 BIO_printf(bio_err," -SECG_PRIME_256R1 use the SECG 256r1 recommended curve over a 256 bit prime field\n");
371 BIO_printf(bio_err," -SECG_PRIME_384R1 use the SECG 384r1 recommended curve over a 384 bit prime field\n");
372 BIO_printf(bio_err," -SECG_PRIME_521R1 use the SECG 521r1 recommended curve over a 521 bit prime field\n");
373 BIO_printf(bio_err," -WTLS_6 use the WAP/WTLS recommended curve number 6 over a 112 bit field\n");
374 BIO_printf(bio_err," -WTLS_8 use the WAP/WTLS recommended curve number 8 over a 112 bit field\n");
375 BIO_printf(bio_err," -WTLS_9 use the WAP/WTLS recommended curve number 9 over a 112 bit field\n");
379 ERR_load_crypto_strings();
381 in=BIO_new(BIO_s_file());
382 out=BIO_new(BIO_s_file());
383 if ((in == NULL) || (out == NULL))
385 ERR_print_errors(bio_err);
390 BIO_set_fp(in,stdin,BIO_NOCLOSE);
393 if (BIO_read_filename(in,infile) <= 0)
401 BIO_set_fp(out,stdout,BIO_NOCLOSE);
402 #ifdef OPENSSL_SYS_VMS
404 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
405 out = BIO_push(tmpbio, out);
411 if (BIO_write_filename(out,outfile) <= 0)
418 e = setup_engine(bio_err, engine, 0);
422 app_RAND_load_file(NULL, bio_err, (inrand != NULL));
424 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
425 app_RAND_load_files(inrand));
428 if (curve_type != EC_GROUP_NO_CURVE)
430 if ((ecdsa = ECDSA_new()) == NULL)
432 ecdsa->group = EC_GROUP_new_by_name(curve_type);
434 ECDSA_set_parameter_flags(ecdsa, ECDSA_FLAG_NAMED_CURVE);
436 else if (informat == FORMAT_ASN1)
437 ecdsa = d2i_ECDSAParameters_bio(in,NULL);
438 else if (informat == FORMAT_PEM)
439 ecdsa = PEM_read_bio_ECDSAParameters(in, NULL, NULL, NULL);
442 BIO_printf(bio_err, "bad input format specified\n");
447 BIO_printf(bio_err, "unable to load ECDSA parameters\n");
448 ERR_print_errors(bio_err);
454 ECDSAParameters_print(out, ecdsa);
460 BIO_printf(bio_err, "no elliptic curve parameters\n");
461 BIO_printf(bio_err, "checking elliptic curve parameters: ");
462 if (!EC_GROUP_check(ecdsa->group, NULL))
464 BIO_printf(bio_err, "failed\n");
465 ERR_print_errors(bio_err);
468 BIO_printf(bio_err, "ok\n");
473 { /* TODO: characteristic two */
475 if ((tmp_1 = BN_new()) == NULL || (tmp_2 = BN_new()) == NULL ||
476 (tmp_3 = BN_new()) == NULL || (tmp_4 = BN_new()) == NULL ||
477 (tmp_5 = BN_new()) == NULL || (tmp_6 = BN_new()) == NULL ||
478 (tmp_7 = BN_new()) == NULL || (ctx = BN_CTX_new()) == NULL)
480 perror("OPENSSL_malloc");
483 if (!EC_GROUP_get_curve_GFp(ecdsa->group, tmp_1, tmp_2, tmp_3, ctx))
485 if ((point = EC_GROUP_get0_generator(ecdsa->group)) == NULL)
487 if (!EC_POINT_get_affine_coordinates_GFp(ecdsa->group, point, tmp_4, tmp_5, ctx))
489 if (!EC_GROUP_get_order(ecdsa->group, tmp_6, ctx))
491 if (!EC_GROUP_get_cofactor(ecdsa->group, tmp_7, ctx))
494 len = BN_num_bytes(tmp_1);
495 bits_p = BN_num_bits(tmp_1);
496 data=(unsigned char *)OPENSSL_malloc(len+20);
499 perror("OPENSSL_malloc");
502 l = BN_bn2bin(tmp_1, data);
503 printf("static unsigned char ecdsa%d_p[]={", bits_p);
506 if ((i%12) == 0) printf("\n\t");
507 printf("0x%02X,",data[i]);
509 printf("\n\t};\n\n");
511 l = BN_bn2bin(tmp_2, data);
512 printf("static unsigned char ecdsa%d_a[]={",bits_p);
515 if ((i%12) == 0) printf("\n\t");
516 printf("0x%02X,",data[i]);
520 l = BN_bn2bin(tmp_3, data);
521 printf("static unsigned char ecdsa%d_b[]={", bits_p);
524 if ((i%12) == 0) printf("\n\t");
525 printf("0x%02X,",data[i]);
527 printf("\n\t};\n\n");
529 l = BN_bn2bin(tmp_4, data);
530 printf("static unsigned char ecdsa%d_x[]={", bits_p);
533 if ((i%12) == 0) printf("\n\t");
534 printf("0x%02X,",data[i]);
538 l = BN_bn2bin(tmp_5, data);
539 printf("static unsigned char ecdsa%d_y[]={", bits_p);
542 if ((i%12) == 0) printf("\n\t");
543 printf("0x%02X,",data[i]);
547 l = BN_bn2bin(tmp_6, data);
548 printf("static unsigned char ecdsa%d_o[]={", bits_p);
551 if ((i%12) == 0) printf("\n\t");
552 printf("0x%02X,",data[i]);
556 l = BN_bn2bin(tmp_7, data);
557 printf("static unsigned char ecdsa%d_c[]={", bits_p);
560 if ((i%12) == 0) printf("\n\t");
561 printf("0x%02X,",data[i]);
563 printf("\n\t};\n\n");
566 * generated code should check for errors
569 printf("ECDSA *get_ecdsa%d(void)\n\t{\n",bits_p);
570 printf("\tint ok=0;\n");
571 printf("\tECDSA *ecdsa=NULL;\n");
572 printf("\tEC_POINT *point=NULL;\n");
573 printf("\tBIGNUM *tmp_1=NULL,*tmp_2=NULL,*tmp_3=NULL;\n\n");
574 printf("\tif ((ecdsa=ECDSA_new()) == NULL)\n");
575 printf("\t\treturn(NULL);\n\n");
576 printf("\t/* generate EC_GROUP structure */\n");
577 printf("\tif ((tmp_1 = BN_bin2bn(ecdsa%d_p, sizeof(ecdsa%d_p), NULL)) == NULL) goto err;\n", bits_p, bits_p);
578 printf("\tif ((tmp_2 = BN_bin2bn(ecdsa%d_a, sizeof(ecdsa%d_a), NULL)) == NULL) goto err;\n", bits_p, bits_p);
579 printf("\tif ((tmp_3 = BN_bin2bn(ecdsa%d_b, sizeof(ecdsa%d_b), NULL)) == NULL) goto err;\n", bits_p, bits_p);
580 printf("\tif ((ecdsa->group = EC_GROUP_new_curve_GFp(tmp_1, tmp_2, tmp_3, NULL)) == NULL) goto err;\n\n");
581 printf("\t/* build generator */\n");
582 printf("\tif (!BN_bin2bn(ecdsa%d_x, sizeof(ecdsa%d_x), tmp_1)) goto err;\n", bits_p, bits_p);
583 printf("\tif (!BN_bin2bn(ecdsa%d_y, sizeof(ecdsa%d_y), tmp_2)) goto err;\n", bits_p, bits_p);
584 printf("\tif ((point = EC_POINT_new(ecdsa->group)) == NULL) goto err;\n");
585 printf("\tif (!EC_POINT_set_affine_coordinates_GFp(ecdsa->group, point, tmp_1, tmp_2, NULL)) goto err;\n");
586 printf("\t/* set generator, order and cofactor */\n");
587 printf("\tif (!BN_bin2bn(ecdsa%d_o, sizeof(ecdsa%d_o), tmp_1)) goto err;\n", bits_p, bits_p);
588 printf("\tif (!BN_bin2bn(ecdsa%d_c, sizeof(ecdsa%d_c), tmp_2)) goto err;\n", bits_p, bits_p);
589 printf("\tif (!EC_GROUP_set_generator(ecdsa->group, point, tmp_1, tmp_2)) goto err;\n");
590 printf("\n\tok=1;\n");
592 printf("\tif (tmp_1) BN_free(tmp_1);\n");
593 printf("\tif (tmp_2) BN_free(tmp_2);\n");
594 printf("\tif (tmp_3) BN_free(tmp_3);\n");
595 printf("\tif (point) EC_POINT_free(point);\n");
596 printf("\tif (!ok)\n");
598 printf("\t\tECDSA_free(ecdsa);\n");
599 printf("\t\tecdsa = NULL;\n");
601 printf("\treturn(ecdsa);\n\t}\n");
607 if (outformat == FORMAT_ASN1)
608 i = i2d_ECDSAParameters_bio(out, ecdsa);
609 else if (outformat == FORMAT_PEM)
610 i = PEM_write_bio_ECDSAParameters(out, ecdsa);
613 BIO_printf(bio_err,"bad output format specified for outfile\n");
618 BIO_printf(bio_err, "unable to write ECDSA parameters\n");
619 ERR_print_errors(bio_err);
628 if ((ecdsakey = ECDSAParameters_dup(ecdsa)) == NULL) goto end;
629 if (!ECDSA_generate_key(ecdsakey)) goto end;
630 if (outformat == FORMAT_ASN1)
631 i = i2d_ECDSAPrivateKey_bio(out, ecdsakey);
632 else if (outformat == FORMAT_PEM)
633 i = PEM_write_bio_ECDSAPrivateKey(out, ecdsakey, NULL, NULL, 0, NULL, NULL);
636 BIO_printf(bio_err, "bad output format specified for outfile\n");
639 ECDSA_free(ecdsakey);
642 app_RAND_write_file(NULL, bio_err);
645 if (in != NULL) BIO_free(in);
646 if (out != NULL) BIO_free_all(out);
647 if (ecdsa != NULL) ECDSA_free(ecdsa);
648 if (tmp_1) BN_free(tmp_1);
649 if (tmp_2) BN_free(tmp_2);
650 if (tmp_3) BN_free(tmp_3);
651 if (tmp_3) BN_free(tmp_4);
652 if (tmp_3) BN_free(tmp_5);
653 if (tmp_3) BN_free(tmp_6);
654 if (tmp_3) BN_free(tmp_7);
655 if (ctx) BN_CTX_free(ctx);
656 if (data) OPENSSL_free(data);