1/* apps/ecparam.c */
| |
2/*
| 1/*
|
3 * Written by Nils Larsch for the OpenSSL project. 4 */ 5/* ==================================================================== 6 * Copyright (c) 1998-2005 The OpenSSL Project. All rights reserved.
| 2 * Copyright 2002-2016 The OpenSSL Project Authors. All Rights Reserved.
|
7 *
| 3 *
|
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 *
| 4 * Licensed under the OpenSSL license (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html
|
57 */
| 8 */
|
| 9
|
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>
| 10/* ==================================================================== 11 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. 12 * 13 * Portions of the attached software ("Contribution") are developed by 14 * SUN MICROSYSTEMS, INC., and are contributed to the OpenSSL project. 15 * 16 * The Contribution is licensed pursuant to the OpenSSL open source 17 * license provided above. 18 * 19 * The elliptic curve binary polynomial software is originally written by 20 * Sheueling Chang Shantz and Douglas Stebila of Sun Microsystems Laboratories. 21 * 22 */ 23 24#include <openssl/opensslconf.h>
|
73#ifndef OPENSSL_NO_EC 74# include <assert.h>
| 25#ifdef OPENSSL_NO_EC 26NON_EMPTY_TRANSLATION_UNIT 27#else 28
|
75# include <stdio.h> 76# include <stdlib.h> 77# include <time.h> 78# include <string.h> 79# include "apps.h" 80# include <openssl/bio.h> 81# include <openssl/err.h> 82# include <openssl/bn.h> 83# include <openssl/ec.h> 84# include <openssl/x509.h> 85# include <openssl/pem.h> 86
| 29# include <stdio.h> 30# include <stdlib.h> 31# include <time.h> 32# include <string.h> 33# include "apps.h" 34# include <openssl/bio.h> 35# include <openssl/err.h> 36# include <openssl/bn.h> 37# include <openssl/ec.h> 38# include <openssl/x509.h> 39# include <openssl/pem.h> 40
|
87# undef PROG 88# define PROG ecparam_main
| 41typedef enum OPTION_choice { 42 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, 43 OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT, OPT_TEXT, OPT_C, 44 OPT_CHECK, OPT_LIST_CURVES, OPT_NO_SEED, OPT_NOOUT, OPT_NAME, 45 OPT_CONV_FORM, OPT_PARAM_ENC, OPT_GENKEY, OPT_RAND, OPT_ENGINE 46} OPTION_CHOICE;
|
89
| 47
|
90/*- 91 * -inform arg - input format - default PEM (DER or PEM) 92 * -outform arg - output format - default PEM 93 * -in arg - input file - default stdin 94 * -out arg - output file - default stdout 95 * -noout - do not print the ec parameter 96 * -text - print the ec parameters in text form 97 * -check - validate the ec parameters 98 * -C - print a 'C' function creating the parameters 99 * -name arg - use the ec parameters with 'short name' name 100 * -list_curves - prints a list of all currently available curve 'short names' 101 * -conv_form arg - specifies the point conversion form 102 * - possible values: compressed 103 * uncompressed (default) 104 * hybrid 105 * -param_enc arg - specifies the way the ec parameters are encoded 106 * in the asn1 der encoding 107 * possible values: named_curve (default) 108 * explicit 109 * -no_seed - if 'explicit' parameters are chosen do not use the seed 110 * -genkey - generate ec key 111 * -rand file - files to use for random number input 112 * -engine e - use engine e, possibly a hardware device 113 */
| 48OPTIONS ecparam_options[] = { 49 {"help", OPT_HELP, '-', "Display this summary"}, 50 {"inform", OPT_INFORM, 'F', "Input format - default PEM (DER or PEM)"}, 51 {"outform", OPT_OUTFORM, 'F', "Output format - default PEM"}, 52 {"in", OPT_IN, '<', "Input file - default stdin"}, 53 {"out", OPT_OUT, '>', "Output file - default stdout"}, 54 {"text", OPT_TEXT, '-', "Print the ec parameters in text form"}, 55 {"C", OPT_C, '-', "Print a 'C' function creating the parameters"}, 56 {"check", OPT_CHECK, '-', "Validate the ec parameters"}, 57 {"list_curves", OPT_LIST_CURVES, '-', 58 "Prints a list of all curve 'short names'"}, 59 {"no_seed", OPT_NO_SEED, '-', 60 "If 'explicit' parameters are chosen do not use the seed"}, 61 {"noout", OPT_NOOUT, '-', "Do not print the ec parameter"}, 62 {"name", OPT_NAME, 's', 63 "Use the ec parameters with specified 'short name'"}, 64 {"conv_form", OPT_CONV_FORM, 's', "Specifies the point conversion form "}, 65 {"param_enc", OPT_PARAM_ENC, 's', 66 "Specifies the way the ec parameters are encoded"}, 67 {"genkey", OPT_GENKEY, '-', "Generate ec key"}, 68 {"rand", OPT_RAND, 's', "Files to use for random number input"}, 69# ifndef OPENSSL_NO_ENGINE 70 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, 71# endif 72 {NULL} 73};
|
114
| 74
|
115static int ecparam_print_var(BIO *, BIGNUM *, const char *, int, 116 unsigned char *);
| 75static OPT_PAIR forms[] = { 76 {"compressed", POINT_CONVERSION_COMPRESSED}, 77 {"uncompressed", POINT_CONVERSION_UNCOMPRESSED}, 78 {"hybrid", POINT_CONVERSION_HYBRID}, 79 {NULL} 80};
|
117
| 81
|
118int MAIN(int, char **);
| 82static OPT_PAIR encodings[] = { 83 {"named_curve", OPENSSL_EC_NAMED_CURVE}, 84 {"explicit", 0}, 85 {NULL} 86};
|
119
| 87
|
120int MAIN(int argc, char **argv)
| 88int ecparam_main(int argc, char **argv)
|
121{
| 89{
|
| 90 ENGINE *e = NULL; 91 BIGNUM *ec_gen = NULL, *ec_order = NULL, *ec_cofactor = NULL; 92 BIGNUM *ec_p = NULL, *ec_a = NULL, *ec_b = NULL; 93 BIO *in = NULL, *out = NULL;
|
122 EC_GROUP *group = NULL; 123 point_conversion_form_t form = POINT_CONVERSION_UNCOMPRESSED;
| 94 EC_GROUP *group = NULL; 95 point_conversion_form_t form = POINT_CONVERSION_UNCOMPRESSED;
|
124 int new_form = 0; 125 int asn1_flag = OPENSSL_EC_NAMED_CURVE; 126 int new_asn1_flag = 0;
| |
127 char *curve_name = NULL, *inrand = NULL;
| 96 char *curve_name = NULL, *inrand = NULL;
|
128 int list_curves = 0, no_seed = 0, check = 0, 129 badops = 0, text = 0, i, need_rand = 0, genkey = 0;
| |
130 char *infile = NULL, *outfile = NULL, *prog;
| 97 char *infile = NULL, *outfile = NULL, *prog;
|
131 BIO *in = NULL, *out = NULL; 132 int informat, outformat, noout = 0, C = 0, ret = 1; 133 char *engine = NULL; 134 ENGINE *e = NULL; 135 136 BIGNUM *ec_p = NULL, *ec_a = NULL, *ec_b = NULL, 137 *ec_gen = NULL, *ec_order = NULL, *ec_cofactor = NULL;
| |
138 unsigned char *buffer = NULL;
| 98 unsigned char *buffer = NULL;
|
| 99 OPTION_CHOICE o; 100 int asn1_flag = OPENSSL_EC_NAMED_CURVE, new_asn1_flag = 0; 101 int informat = FORMAT_PEM, outformat = FORMAT_PEM, noout = 0, C = 0; 102 int ret = 1, private = 0; 103 int list_curves = 0, no_seed = 0, check = 0, new_form = 0; 104 int text = 0, i, need_rand = 0, genkey = 0;
|
139
| 105
|
140 apps_startup(); 141 142 if (bio_err == NULL) 143 if ((bio_err = BIO_new(BIO_s_file())) != NULL) 144 BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT); 145 146 if (!load_config(bio_err, NULL)) 147 goto end; 148 149 informat = FORMAT_PEM; 150 outformat = FORMAT_PEM; 151 152 prog = argv[0]; 153 argc--; 154 argv++; 155 while (argc >= 1) { 156 if (strcmp(*argv, "-inform") == 0) { 157 if (--argc < 1) 158 goto bad; 159 informat = str2fmt(*(++argv)); 160 } else if (strcmp(*argv, "-outform") == 0) { 161 if (--argc < 1) 162 goto bad; 163 outformat = str2fmt(*(++argv)); 164 } else if (strcmp(*argv, "-in") == 0) { 165 if (--argc < 1) 166 goto bad; 167 infile = *(++argv); 168 } else if (strcmp(*argv, "-out") == 0) { 169 if (--argc < 1) 170 goto bad; 171 outfile = *(++argv); 172 } else if (strcmp(*argv, "-text") == 0)
| 106 prog = opt_init(argc, argv, ecparam_options); 107 while ((o = opt_next()) != OPT_EOF) { 108 switch (o) { 109 case OPT_EOF: 110 case OPT_ERR: 111 opthelp: 112 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); 113 goto end; 114 case OPT_HELP: 115 opt_help(ecparam_options); 116 ret = 0; 117 goto end; 118 case OPT_INFORM: 119 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat)) 120 goto opthelp; 121 break; 122 case OPT_IN: 123 infile = opt_arg(); 124 break; 125 case OPT_OUTFORM: 126 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat)) 127 goto opthelp; 128 break; 129 case OPT_OUT: 130 outfile = opt_arg(); 131 break; 132 case OPT_TEXT:
|
173 text = 1;
| 133 text = 1;
|
174 else if (strcmp(*argv, "-C") == 0)
| 134 break; 135 case OPT_C:
|
175 C = 1;
| 136 C = 1;
|
176 else if (strcmp(*argv, "-check") == 0)
| 137 break; 138 case OPT_CHECK:
|
177 check = 1;
| 139 check = 1;
|
178 else if (strcmp(*argv, "-name") == 0) { 179 if (--argc < 1) 180 goto bad; 181 curve_name = *(++argv); 182 } else if (strcmp(*argv, "-list_curves") == 0)
| 140 break; 141 case OPT_LIST_CURVES:
|
183 list_curves = 1;
| 142 list_curves = 1;
|
184 else if (strcmp(*argv, "-conv_form") == 0) { 185 if (--argc < 1) 186 goto bad; 187 ++argv; 188 new_form = 1; 189 if (strcmp(*argv, "compressed") == 0) 190 form = POINT_CONVERSION_COMPRESSED; 191 else if (strcmp(*argv, "uncompressed") == 0) 192 form = POINT_CONVERSION_UNCOMPRESSED; 193 else if (strcmp(*argv, "hybrid") == 0) 194 form = POINT_CONVERSION_HYBRID; 195 else 196 goto bad; 197 } else if (strcmp(*argv, "-param_enc") == 0) { 198 if (--argc < 1) 199 goto bad; 200 ++argv; 201 new_asn1_flag = 1; 202 if (strcmp(*argv, "named_curve") == 0) 203 asn1_flag = OPENSSL_EC_NAMED_CURVE; 204 else if (strcmp(*argv, "explicit") == 0) 205 asn1_flag = 0; 206 else 207 goto bad; 208 } else if (strcmp(*argv, "-no_seed") == 0)
| 143 break; 144 case OPT_NO_SEED:
|
209 no_seed = 1;
| 145 no_seed = 1;
|
210 else if (strcmp(*argv, "-noout") == 0)
| 146 break; 147 case OPT_NOOUT:
|
211 noout = 1;
| 148 noout = 1;
|
212 else if (strcmp(*argv, "-genkey") == 0) { 213 genkey = 1;
| 149 break; 150 case OPT_NAME: 151 curve_name = opt_arg(); 152 break; 153 case OPT_CONV_FORM: 154 if (!opt_pair(opt_arg(), forms, &new_form)) 155 goto opthelp; 156 form = new_form; 157 new_form = 1; 158 break; 159 case OPT_PARAM_ENC: 160 if (!opt_pair(opt_arg(), encodings, &asn1_flag)) 161 goto opthelp; 162 new_asn1_flag = 1; 163 break; 164 case OPT_GENKEY: 165 genkey = need_rand = 1; 166 break; 167 case OPT_RAND: 168 inrand = opt_arg();
|
214 need_rand = 1;
| 169 need_rand = 1;
|
215 } else if (strcmp(*argv, "-rand") == 0) { 216 if (--argc < 1) 217 goto bad; 218 inrand = *(++argv); 219 need_rand = 1; 220 } else if (strcmp(*argv, "-engine") == 0) { 221 if (--argc < 1) 222 goto bad; 223 engine = *(++argv); 224 } else { 225 BIO_printf(bio_err, "unknown option %s\n", *argv); 226 badops = 1;
| |
227 break;
| 170 break;
|
| 171 case OPT_ENGINE: 172 e = setup_engine(opt_arg(), 0); 173 break;
|
228 }
| 174 }
|
229 argc--; 230 argv++;
| |
231 }
| 175 }
|
| 176 argc = opt_num_rest(); 177 if (argc != 0) 178 goto opthelp;
|
232
| 179
|
233 if (badops) { 234 bad: 235 BIO_printf(bio_err, "%s [options] <infile >outfile\n", prog); 236 BIO_printf(bio_err, "where options are\n"); 237 BIO_printf(bio_err, " -inform arg input format - " 238 "default PEM (DER or PEM)\n"); 239 BIO_printf(bio_err, " -outform arg output format - " 240 "default PEM\n"); 241 BIO_printf(bio_err, " -in arg input file - " 242 "default stdin\n"); 243 BIO_printf(bio_err, " -out arg output file - " 244 "default stdout\n"); 245 BIO_printf(bio_err, " -noout do not print the " 246 "ec parameter\n"); 247 BIO_printf(bio_err, " -text print the ec " 248 "parameters in text form\n"); 249 BIO_printf(bio_err, " -check validate the ec " 250 "parameters\n"); 251 BIO_printf(bio_err, " -C print a 'C' " 252 "function creating the parameters\n"); 253 BIO_printf(bio_err, " -name arg use the " 254 "ec parameters with 'short name' name\n"); 255 BIO_printf(bio_err, " -list_curves prints a list of " 256 "all currently available curve 'short names'\n"); 257 BIO_printf(bio_err, " -conv_form arg specifies the " 258 "point conversion form \n"); 259 BIO_printf(bio_err, " possible values:" 260 " compressed\n"); 261 BIO_printf(bio_err, " " 262 " uncompressed (default)\n"); 263 BIO_printf(bio_err, " " 264 " hybrid\n"); 265 BIO_printf(bio_err, " -param_enc arg specifies the way" 266 " the ec parameters are encoded\n"); 267 BIO_printf(bio_err, " in the asn1 der " 268 "encoding\n"); 269 BIO_printf(bio_err, " possible values:" 270 " named_curve (default)\n"); 271 BIO_printf(bio_err, " " 272 " explicit\n"); 273 BIO_printf(bio_err, " -no_seed if 'explicit'" 274 " parameters are chosen do not" " use the seed\n"); 275 BIO_printf(bio_err, " -genkey generate ec" " key\n"); 276 BIO_printf(bio_err, " -rand file files to use for" 277 " random number input\n"); 278 BIO_printf(bio_err, " -engine e use engine e, " 279 "possibly a hardware device\n"); 280 goto end; 281 }
| 180 private = genkey ? 1 : 0;
|
282
| 181
|
283 ERR_load_crypto_strings(); 284 285 in = BIO_new(BIO_s_file()); 286 out = BIO_new(BIO_s_file()); 287 if ((in == NULL) || (out == NULL)) { 288 ERR_print_errors(bio_err);
| 182 in = bio_open_default(infile, 'r', informat); 183 if (in == NULL)
|
289 goto end;
| 184 goto end;
|
290 }
| 185 out = bio_open_owner(outfile, outformat, private); 186 if (out == NULL) 187 goto end;
|
291
| 188
|
292 if (infile == NULL) 293 BIO_set_fp(in, stdin, BIO_NOCLOSE); 294 else { 295 if (BIO_read_filename(in, infile) <= 0) { 296 perror(infile); 297 goto end; 298 } 299 } 300 if (outfile == NULL) { 301 BIO_set_fp(out, stdout, BIO_NOCLOSE); 302# ifdef OPENSSL_SYS_VMS 303 { 304 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 305 out = BIO_push(tmpbio, out); 306 } 307# endif 308 } else { 309 if (BIO_write_filename(out, outfile) <= 0) { 310 perror(outfile); 311 goto end; 312 } 313 } 314 315 e = setup_engine(bio_err, engine, 0); 316
| |
317 if (list_curves) { 318 EC_builtin_curve *curves = NULL;
| 189 if (list_curves) { 190 EC_builtin_curve *curves = NULL;
|
319 size_t crv_len = 0; 320 size_t n = 0;
| 191 size_t crv_len = EC_get_builtin_curves(NULL, 0); 192 size_t n;
|
321
| 193
|
322 crv_len = EC_get_builtin_curves(NULL, 0); 323 324 curves = OPENSSL_malloc((int)(sizeof(EC_builtin_curve) * crv_len)); 325 326 if (curves == NULL) 327 goto end; 328
| 194 curves = app_malloc((int)sizeof(*curves) * crv_len, "list curves");
|
329 if (!EC_get_builtin_curves(curves, crv_len)) { 330 OPENSSL_free(curves); 331 goto end; 332 } 333 334 for (n = 0; n < crv_len; n++) { 335 const char *comment; 336 const char *sname; 337 comment = curves[n].comment; 338 sname = OBJ_nid2sn(curves[n].nid); 339 if (comment == NULL) 340 comment = "CURVE DESCRIPTION NOT AVAILABLE"; 341 if (sname == NULL) 342 sname = ""; 343 344 BIO_printf(out, " %-10s: ", sname); 345 BIO_printf(out, "%s\n", comment); 346 } 347 348 OPENSSL_free(curves); 349 ret = 0; 350 goto end; 351 } 352 353 if (curve_name != NULL) { 354 int nid; 355 356 /* 357 * workaround for the SECG curve names secp192r1 and secp256r1 (which 358 * are the same as the curves prime192v1 and prime256v1 defined in 359 * X9.62) 360 */
| 195 if (!EC_get_builtin_curves(curves, crv_len)) { 196 OPENSSL_free(curves); 197 goto end; 198 } 199 200 for (n = 0; n < crv_len; n++) { 201 const char *comment; 202 const char *sname; 203 comment = curves[n].comment; 204 sname = OBJ_nid2sn(curves[n].nid); 205 if (comment == NULL) 206 comment = "CURVE DESCRIPTION NOT AVAILABLE"; 207 if (sname == NULL) 208 sname = ""; 209 210 BIO_printf(out, " %-10s: ", sname); 211 BIO_printf(out, "%s\n", comment); 212 } 213 214 OPENSSL_free(curves); 215 ret = 0; 216 goto end; 217 } 218 219 if (curve_name != NULL) { 220 int nid; 221 222 /* 223 * workaround for the SECG curve names secp192r1 and secp256r1 (which 224 * are the same as the curves prime192v1 and prime256v1 defined in 225 * X9.62) 226 */
|
361 if (!strcmp(curve_name, "secp192r1")) {
| 227 if (strcmp(curve_name, "secp192r1") == 0) {
|
362 BIO_printf(bio_err, "using curve name prime192v1 " 363 "instead of secp192r1\n"); 364 nid = NID_X9_62_prime192v1;
| 228 BIO_printf(bio_err, "using curve name prime192v1 " 229 "instead of secp192r1\n"); 230 nid = NID_X9_62_prime192v1;
|
365 } else if (!strcmp(curve_name, "secp256r1")) {
| 231 } else if (strcmp(curve_name, "secp256r1") == 0) {
|
366 BIO_printf(bio_err, "using curve name prime256v1 " 367 "instead of secp256r1\n"); 368 nid = NID_X9_62_prime256v1; 369 } else 370 nid = OBJ_sn2nid(curve_name); 371 372 if (nid == 0) 373 nid = EC_curve_nist2nid(curve_name); 374 375 if (nid == 0) { 376 BIO_printf(bio_err, "unknown curve name (%s)\n", curve_name); 377 goto end; 378 } 379 380 group = EC_GROUP_new_by_curve_name(nid); 381 if (group == NULL) { 382 BIO_printf(bio_err, "unable to create curve (%s)\n", curve_name); 383 goto end; 384 } 385 EC_GROUP_set_asn1_flag(group, asn1_flag); 386 EC_GROUP_set_point_conversion_form(group, form);
| 232 BIO_printf(bio_err, "using curve name prime256v1 " 233 "instead of secp256r1\n"); 234 nid = NID_X9_62_prime256v1; 235 } else 236 nid = OBJ_sn2nid(curve_name); 237 238 if (nid == 0) 239 nid = EC_curve_nist2nid(curve_name); 240 241 if (nid == 0) { 242 BIO_printf(bio_err, "unknown curve name (%s)\n", curve_name); 243 goto end; 244 } 245 246 group = EC_GROUP_new_by_curve_name(nid); 247 if (group == NULL) { 248 BIO_printf(bio_err, "unable to create curve (%s)\n", curve_name); 249 goto end; 250 } 251 EC_GROUP_set_asn1_flag(group, asn1_flag); 252 EC_GROUP_set_point_conversion_form(group, form);
|
387 } else if (informat == FORMAT_ASN1) {
| 253 } else if (informat == FORMAT_ASN1)
|
388 group = d2i_ECPKParameters_bio(in, NULL);
| 254 group = d2i_ECPKParameters_bio(in, NULL);
|
389 } else if (informat == FORMAT_PEM) {
| 255 else
|
390 group = PEM_read_bio_ECPKParameters(in, NULL, NULL, NULL);
| 256 group = PEM_read_bio_ECPKParameters(in, NULL, NULL, NULL);
|
391 } else { 392 BIO_printf(bio_err, "bad input format specified\n"); 393 goto end; 394 } 395
| |
396 if (group == NULL) { 397 BIO_printf(bio_err, "unable to load elliptic curve parameters\n"); 398 ERR_print_errors(bio_err); 399 goto end; 400 } 401 402 if (new_form) 403 EC_GROUP_set_point_conversion_form(group, form); 404 405 if (new_asn1_flag) 406 EC_GROUP_set_asn1_flag(group, asn1_flag); 407 408 if (no_seed) { 409 EC_GROUP_set_seed(group, NULL, 0); 410 } 411 412 if (text) { 413 if (!ECPKParameters_print(out, group, 0)) 414 goto end; 415 } 416 417 if (check) { 418 BIO_printf(bio_err, "checking elliptic curve parameters: "); 419 if (!EC_GROUP_check(group, NULL)) { 420 BIO_printf(bio_err, "failed\n"); 421 ERR_print_errors(bio_err); 422 goto end; 423 } 424 BIO_printf(bio_err, "ok\n"); 425 426 } 427 428 if (C) { 429 size_t buf_len = 0, tmp_len = 0; 430 const EC_POINT *point; 431 int is_prime, len = 0; 432 const EC_METHOD *meth = EC_GROUP_method_of(group); 433
| 257 if (group == NULL) { 258 BIO_printf(bio_err, "unable to load elliptic curve parameters\n"); 259 ERR_print_errors(bio_err); 260 goto end; 261 } 262 263 if (new_form) 264 EC_GROUP_set_point_conversion_form(group, form); 265 266 if (new_asn1_flag) 267 EC_GROUP_set_asn1_flag(group, asn1_flag); 268 269 if (no_seed) { 270 EC_GROUP_set_seed(group, NULL, 0); 271 } 272 273 if (text) { 274 if (!ECPKParameters_print(out, group, 0)) 275 goto end; 276 } 277 278 if (check) { 279 BIO_printf(bio_err, "checking elliptic curve parameters: "); 280 if (!EC_GROUP_check(group, NULL)) { 281 BIO_printf(bio_err, "failed\n"); 282 ERR_print_errors(bio_err); 283 goto end; 284 } 285 BIO_printf(bio_err, "ok\n"); 286 287 } 288 289 if (C) { 290 size_t buf_len = 0, tmp_len = 0; 291 const EC_POINT *point; 292 int is_prime, len = 0; 293 const EC_METHOD *meth = EC_GROUP_method_of(group); 294
|
434 if ((ec_p = BN_new()) == NULL || (ec_a = BN_new()) == NULL || 435 (ec_b = BN_new()) == NULL || (ec_gen = BN_new()) == NULL || 436 (ec_order = BN_new()) == NULL || 437 (ec_cofactor = BN_new()) == NULL) { 438 perror("OPENSSL_malloc");
| 295 if ((ec_p = BN_new()) == NULL 296 || (ec_a = BN_new()) == NULL 297 || (ec_b = BN_new()) == NULL 298 || (ec_gen = BN_new()) == NULL 299 || (ec_order = BN_new()) == NULL 300 || (ec_cofactor = BN_new()) == NULL) { 301 perror("Can't allocate BN");
|
439 goto end; 440 } 441 442 is_prime = (EC_METHOD_get_field_type(meth) == NID_X9_62_prime_field);
| 302 goto end; 303 } 304 305 is_prime = (EC_METHOD_get_field_type(meth) == NID_X9_62_prime_field);
|
443 444 if (is_prime) { 445 if (!EC_GROUP_get_curve_GFp(group, ec_p, ec_a, ec_b, NULL)) 446 goto end; 447 } else { 448 /* TODO */
| 306 if (!is_prime) { 307 BIO_printf(bio_err, "Can only handle X9.62 prime fields\n");
|
449 goto end; 450 } 451
| 308 goto end; 309 } 310
|
| 311 if (!EC_GROUP_get_curve_GFp(group, ec_p, ec_a, ec_b, NULL)) 312 goto end; 313
|
452 if ((point = EC_GROUP_get0_generator(group)) == NULL) 453 goto end; 454 if (!EC_POINT_point2bn(group, point, 455 EC_GROUP_get_point_conversion_form(group), 456 ec_gen, NULL)) 457 goto end; 458 if (!EC_GROUP_get_order(group, ec_order, NULL)) 459 goto end; 460 if (!EC_GROUP_get_cofactor(group, ec_cofactor, NULL)) 461 goto end; 462 463 if (!ec_p || !ec_a || !ec_b || !ec_gen || !ec_order || !ec_cofactor) 464 goto end; 465 466 len = BN_num_bits(ec_order); 467 468 if ((tmp_len = (size_t)BN_num_bytes(ec_p)) > buf_len) 469 buf_len = tmp_len; 470 if ((tmp_len = (size_t)BN_num_bytes(ec_a)) > buf_len) 471 buf_len = tmp_len; 472 if ((tmp_len = (size_t)BN_num_bytes(ec_b)) > buf_len) 473 buf_len = tmp_len; 474 if ((tmp_len = (size_t)BN_num_bytes(ec_gen)) > buf_len) 475 buf_len = tmp_len; 476 if ((tmp_len = (size_t)BN_num_bytes(ec_order)) > buf_len) 477 buf_len = tmp_len; 478 if ((tmp_len = (size_t)BN_num_bytes(ec_cofactor)) > buf_len) 479 buf_len = tmp_len; 480
| 314 if ((point = EC_GROUP_get0_generator(group)) == NULL) 315 goto end; 316 if (!EC_POINT_point2bn(group, point, 317 EC_GROUP_get_point_conversion_form(group), 318 ec_gen, NULL)) 319 goto end; 320 if (!EC_GROUP_get_order(group, ec_order, NULL)) 321 goto end; 322 if (!EC_GROUP_get_cofactor(group, ec_cofactor, NULL)) 323 goto end; 324 325 if (!ec_p || !ec_a || !ec_b || !ec_gen || !ec_order || !ec_cofactor) 326 goto end; 327 328 len = BN_num_bits(ec_order); 329 330 if ((tmp_len = (size_t)BN_num_bytes(ec_p)) > buf_len) 331 buf_len = tmp_len; 332 if ((tmp_len = (size_t)BN_num_bytes(ec_a)) > buf_len) 333 buf_len = tmp_len; 334 if ((tmp_len = (size_t)BN_num_bytes(ec_b)) > buf_len) 335 buf_len = tmp_len; 336 if ((tmp_len = (size_t)BN_num_bytes(ec_gen)) > buf_len) 337 buf_len = tmp_len; 338 if ((tmp_len = (size_t)BN_num_bytes(ec_order)) > buf_len) 339 buf_len = tmp_len; 340 if ((tmp_len = (size_t)BN_num_bytes(ec_cofactor)) > buf_len) 341 buf_len = tmp_len; 342
|
481 buffer = (unsigned char *)OPENSSL_malloc(buf_len);
| 343 buffer = app_malloc(buf_len, "BN buffer");
|
482
| 344
|
483 if (buffer == NULL) { 484 perror("OPENSSL_malloc"); 485 goto end; 486 }
| 345 BIO_printf(out, "EC_GROUP *get_ec_group_%d(void)\n{\n", len); 346 print_bignum_var(out, ec_p, "ec_p", len, buffer); 347 print_bignum_var(out, ec_a, "ec_a", len, buffer); 348 print_bignum_var(out, ec_b, "ec_b", len, buffer); 349 print_bignum_var(out, ec_gen, "ec_gen", len, buffer); 350 print_bignum_var(out, ec_order, "ec_order", len, buffer); 351 print_bignum_var(out, ec_cofactor, "ec_cofactor", len, buffer); 352 BIO_printf(out, " int ok = 0;\n" 353 " EC_GROUP *group = NULL;\n" 354 " EC_POINT *point = NULL;\n" 355 " BIGNUM *tmp_1 = NULL;\n" 356 " BIGNUM *tmp_2 = NULL;\n" 357 " BIGNUM *tmp_3 = NULL;\n" 358 "\n");
|
487
| 359
|
488 ecparam_print_var(out, ec_p, "ec_p", len, buffer); 489 ecparam_print_var(out, ec_a, "ec_a", len, buffer); 490 ecparam_print_var(out, ec_b, "ec_b", len, buffer); 491 ecparam_print_var(out, ec_gen, "ec_gen", len, buffer); 492 ecparam_print_var(out, ec_order, "ec_order", len, buffer); 493 ecparam_print_var(out, ec_cofactor, "ec_cofactor", len, buffer); 494 495 BIO_printf(out, "\n\n"); 496 497 BIO_printf(out, "EC_GROUP *get_ec_group_%d(void)\n\t{\n", len); 498 BIO_printf(out, "\tint ok=0;\n"); 499 BIO_printf(out, "\tEC_GROUP *group = NULL;\n"); 500 BIO_printf(out, "\tEC_POINT *point = NULL;\n"); 501 BIO_printf(out, "\tBIGNUM *tmp_1 = NULL, *tmp_2 = NULL, " 502 "*tmp_3 = NULL;\n\n"); 503 BIO_printf(out, "\tif ((tmp_1 = BN_bin2bn(ec_p_%d, " 504 "sizeof(ec_p_%d), NULL)) == NULL)\n\t\t" 505 "goto err;\n", len, len); 506 BIO_printf(out, "\tif ((tmp_2 = BN_bin2bn(ec_a_%d, " 507 "sizeof(ec_a_%d), NULL)) == NULL)\n\t\t" 508 "goto err;\n", len, len); 509 BIO_printf(out, "\tif ((tmp_3 = BN_bin2bn(ec_b_%d, " 510 "sizeof(ec_b_%d), NULL)) == NULL)\n\t\t" 511 "goto err;\n", len, len); 512 if (is_prime) { 513 BIO_printf(out, "\tif ((group = EC_GROUP_new_curve_" 514 "GFp(tmp_1, tmp_2, tmp_3, NULL)) == NULL)" 515 "\n\t\tgoto err;\n\n"); 516 } else { 517 /* TODO */ 518 goto end; 519 } 520 BIO_printf(out, "\t/* build generator */\n"); 521 BIO_printf(out, "\tif ((tmp_1 = BN_bin2bn(ec_gen_%d, " 522 "sizeof(ec_gen_%d), tmp_1)) == NULL)" 523 "\n\t\tgoto err;\n", len, len); 524 BIO_printf(out, "\tpoint = EC_POINT_bn2point(group, tmp_1, " 525 "NULL, NULL);\n"); 526 BIO_printf(out, "\tif (point == NULL)\n\t\tgoto err;\n"); 527 BIO_printf(out, "\tif ((tmp_2 = BN_bin2bn(ec_order_%d, " 528 "sizeof(ec_order_%d), tmp_2)) == NULL)" 529 "\n\t\tgoto err;\n", len, len); 530 BIO_printf(out, "\tif ((tmp_3 = BN_bin2bn(ec_cofactor_%d, " 531 "sizeof(ec_cofactor_%d), tmp_3)) == NULL)" 532 "\n\t\tgoto err;\n", len, len); 533 BIO_printf(out, "\tif (!EC_GROUP_set_generator(group, point," 534 " tmp_2, tmp_3))\n\t\tgoto err;\n"); 535 BIO_printf(out, "\n\tok=1;\n"); 536 BIO_printf(out, "err:\n"); 537 BIO_printf(out, "\tif (tmp_1)\n\t\tBN_free(tmp_1);\n"); 538 BIO_printf(out, "\tif (tmp_2)\n\t\tBN_free(tmp_2);\n"); 539 BIO_printf(out, "\tif (tmp_3)\n\t\tBN_free(tmp_3);\n"); 540 BIO_printf(out, "\tif (point)\n\t\tEC_POINT_free(point);\n"); 541 BIO_printf(out, "\tif (!ok)\n"); 542 BIO_printf(out, "\t\t{\n"); 543 BIO_printf(out, "\t\tEC_GROUP_free(group);\n"); 544 BIO_printf(out, "\t\tgroup = NULL;\n"); 545 BIO_printf(out, "\t\t}\n"); 546 BIO_printf(out, "\treturn(group);\n\t}\n");
| 360 BIO_printf(out, " if ((tmp_1 = BN_bin2bn(ec_p_%d, sizeof (ec_p_%d), NULL)) == NULL)\n" 361 " goto err;\n", len, len); 362 BIO_printf(out, " if ((tmp_2 = BN_bin2bn(ec_a_%d, sizeof (ec_a_%d), NULL)) == NULL)\n" 363 " goto err;\n", len, len); 364 BIO_printf(out, " if ((tmp_3 = BN_bin2bn(ec_b_%d, sizeof (ec_b_%d), NULL)) == NULL)\n" 365 " goto err;\n", len, len); 366 BIO_printf(out, " if ((group = EC_GROUP_new_curve_GFp(tmp_1, tmp_2, tmp_3, NULL)) == NULL)\n" 367 " goto err;\n" 368 "\n"); 369 BIO_printf(out, " /* build generator */\n"); 370 BIO_printf(out, " if ((tmp_1 = BN_bin2bn(ec_gen_%d, sizeof (ec_gen_%d), tmp_1)) == NULL)\n" 371 " goto err;\n", len, len); 372 BIO_printf(out, " point = EC_POINT_bn2point(group, tmp_1, NULL, NULL);\n"); 373 BIO_printf(out, " if (point == NULL)\n" 374 " goto err;\n"); 375 BIO_printf(out, " if ((tmp_2 = BN_bin2bn(ec_order_%d, sizeof (ec_order_%d), tmp_2)) == NULL)\n" 376 " goto err;\n", len, len); 377 BIO_printf(out, " if ((tmp_3 = BN_bin2bn(ec_cofactor_%d, sizeof (ec_cofactor_%d), tmp_3)) == NULL)\n" 378 " goto err;\n", len, len); 379 BIO_printf(out, " if (!EC_GROUP_set_generator(group, point, tmp_2, tmp_3))\n" 380 " goto err;\n" 381 "ok = 1;" 382 "\n"); 383 BIO_printf(out, "err:\n" 384 " BN_free(tmp_1);\n" 385 " BN_free(tmp_2);\n" 386 " BN_free(tmp_3);\n" 387 " EC_POINT_free(point);\n" 388 " if (!ok) {\n" 389 " EC_GROUP_free(group);\n" 390 " return NULL;\n" 391 " }\n" 392 " return (group);\n" 393 "}\n");
|
547 } 548 549 if (!noout) { 550 if (outformat == FORMAT_ASN1) 551 i = i2d_ECPKParameters_bio(out, group);
| 394 } 395 396 if (!noout) { 397 if (outformat == FORMAT_ASN1) 398 i = i2d_ECPKParameters_bio(out, group);
|
552 else if (outformat == FORMAT_PEM)
| 399 else
|
553 i = PEM_write_bio_ECPKParameters(out, group);
| 400 i = PEM_write_bio_ECPKParameters(out, group);
|
554 else { 555 BIO_printf(bio_err, "bad output format specified for" 556 " outfile\n"); 557 goto end; 558 }
| |
559 if (!i) { 560 BIO_printf(bio_err, "unable to write elliptic " 561 "curve parameters\n"); 562 ERR_print_errors(bio_err); 563 goto end; 564 } 565 } 566 567 if (need_rand) {
| 401 if (!i) { 402 BIO_printf(bio_err, "unable to write elliptic " 403 "curve parameters\n"); 404 ERR_print_errors(bio_err); 405 goto end; 406 } 407 } 408 409 if (need_rand) {
|
568 app_RAND_load_file(NULL, bio_err, (inrand != NULL));
| 410 app_RAND_load_file(NULL, (inrand != NULL));
|
569 if (inrand != NULL) 570 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", 571 app_RAND_load_files(inrand)); 572 } 573 574 if (genkey) { 575 EC_KEY *eckey = EC_KEY_new(); 576 577 if (eckey == NULL) 578 goto end; 579 580 assert(need_rand); 581
| 411 if (inrand != NULL) 412 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", 413 app_RAND_load_files(inrand)); 414 } 415 416 if (genkey) { 417 EC_KEY *eckey = EC_KEY_new(); 418 419 if (eckey == NULL) 420 goto end; 421 422 assert(need_rand); 423
|
582 if (EC_KEY_set_group(eckey, group) == 0)
| 424 if (EC_KEY_set_group(eckey, group) == 0) { 425 BIO_printf(bio_err, "unable to set group when generating key\n"); 426 EC_KEY_free(eckey); 427 ERR_print_errors(bio_err);
|
583 goto end;
| 428 goto end;
|
| 429 }
|
584 585 if (!EC_KEY_generate_key(eckey)) {
| 430 431 if (!EC_KEY_generate_key(eckey)) {
|
| 432 BIO_printf(bio_err, "unable to generate key\n");
|
586 EC_KEY_free(eckey);
| 433 EC_KEY_free(eckey);
|
| 434 ERR_print_errors(bio_err);
|
587 goto end; 588 }
| 435 goto end; 436 }
|
| 437 assert(private);
|
589 if (outformat == FORMAT_ASN1) 590 i = i2d_ECPrivateKey_bio(out, eckey);
| 438 if (outformat == FORMAT_ASN1) 439 i = i2d_ECPrivateKey_bio(out, eckey);
|
591 else if (outformat == FORMAT_PEM)
| 440 else
|
592 i = PEM_write_bio_ECPrivateKey(out, eckey, NULL, 593 NULL, 0, NULL, NULL);
| 441 i = PEM_write_bio_ECPrivateKey(out, eckey, NULL, 442 NULL, 0, NULL, NULL);
|
594 else { 595 BIO_printf(bio_err, "bad output format specified " 596 "for outfile\n"); 597 EC_KEY_free(eckey); 598 goto end; 599 }
| |
600 EC_KEY_free(eckey); 601 } 602 603 if (need_rand)
| 443 EC_KEY_free(eckey); 444 } 445 446 if (need_rand)
|
604 app_RAND_write_file(NULL, bio_err);
| 447 app_RAND_write_file(NULL);
|
605 606 ret = 0; 607 end:
| 448 449 ret = 0; 450 end:
|
608 if (ec_p) 609 BN_free(ec_p); 610 if (ec_a) 611 BN_free(ec_a); 612 if (ec_b) 613 BN_free(ec_b); 614 if (ec_gen) 615 BN_free(ec_gen); 616 if (ec_order) 617 BN_free(ec_order); 618 if (ec_cofactor) 619 BN_free(ec_cofactor); 620 if (buffer) 621 OPENSSL_free(buffer); 622 if (group != NULL) 623 EC_GROUP_free(group);
| 451 BN_free(ec_p); 452 BN_free(ec_a); 453 BN_free(ec_b); 454 BN_free(ec_gen); 455 BN_free(ec_order); 456 BN_free(ec_cofactor); 457 OPENSSL_free(buffer); 458 EC_GROUP_free(group);
|
624 release_engine(e);
| 459 release_engine(e);
|
625 if (in != NULL) 626 BIO_free(in); 627 if (out != NULL) 628 BIO_free_all(out); 629 apps_shutdown(); 630 OPENSSL_EXIT(ret);
| 460 BIO_free(in); 461 BIO_free_all(out); 462 return (ret);
|
631} 632
| 463} 464
|
633static int ecparam_print_var(BIO *out, BIGNUM *in, const char *var, 634 int len, unsigned char *buffer) 635{ 636 BIO_printf(out, "static unsigned char %s_%d[] = {", var, len); 637 if (BN_is_zero(in)) 638 BIO_printf(out, "\n\t0x00"); 639 else { 640 int i, l; 641 642 l = BN_bn2bin(in, buffer); 643 for (i = 0; i < l - 1; i++) { 644 if ((i % 12) == 0) 645 BIO_printf(out, "\n\t"); 646 BIO_printf(out, "0x%02X,", buffer[i]); 647 } 648 if ((i % 12) == 0) 649 BIO_printf(out, "\n\t"); 650 BIO_printf(out, "0x%02X", buffer[i]); 651 } 652 BIO_printf(out, "\n\t};\n\n"); 653 return 1; 654} 655#else /* !OPENSSL_NO_EC */ 656 657# if PEDANTIC 658static void *dummy = &dummy; 659# endif 660
| |
661#endif
| 465#endif
|