3 * Written by Nils Larsch for the OpenSSL project.
5 /* ====================================================================
6 * Copyright (c) 1998-2005 The OpenSSL Project. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
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
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/)"
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.
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.
34 * 6. Redistributions of any form whatsoever must retain the following
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
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 * ====================================================================
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).
59 #include <openssl/opensslconf.h>
65 # include <openssl/bio.h>
66 # include <openssl/err.h>
67 # include <openssl/evp.h>
68 # include <openssl/pem.h>
74 * -inform arg - input format - default PEM (one of DER, NET or PEM)
75 * -outform arg - output format - default PEM
76 * -in arg - input file - default stdin
77 * -out arg - output file - default stdout
78 * -des - encrypt output if PEM format with DES in cbc mode
79 * -text - print a text version
80 * -param_out - print the elliptic curve parameters
81 * -conv_form arg - specifies the point encoding form
82 * -param_enc arg - specifies the parameter encoding
85 int MAIN(int, char **);
87 int MAIN(int argc, char **argv)
91 const EC_GROUP *group;
93 const EVP_CIPHER *enc = NULL;
94 BIO *in = NULL, *out = NULL;
95 int informat, outformat, text = 0, noout = 0;
96 int pubin = 0, pubout = 0, param_out = 0;
97 char *infile, *outfile, *prog, *engine;
98 # ifndef OPENSSL_NO_ENGINE
101 char *passargin = NULL, *passargout = NULL;
102 char *passin = NULL, *passout = NULL;
103 point_conversion_form_t form = POINT_CONVERSION_UNCOMPRESSED;
105 int asn1_flag = OPENSSL_EC_NAMED_CURVE;
106 int new_asn1_flag = 0;
111 if ((bio_err = BIO_new(BIO_s_file())) != NULL)
112 BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
114 if (!load_config(bio_err, NULL))
120 informat = FORMAT_PEM;
121 outformat = FORMAT_PEM;
127 if (strcmp(*argv, "-inform") == 0) {
130 informat = str2fmt(*(++argv));
131 } else if (strcmp(*argv, "-outform") == 0) {
134 outformat = str2fmt(*(++argv));
135 } else if (strcmp(*argv, "-in") == 0) {
139 } else if (strcmp(*argv, "-out") == 0) {
143 } else if (strcmp(*argv, "-passin") == 0) {
146 passargin = *(++argv);
147 } else if (strcmp(*argv, "-passout") == 0) {
150 passargout = *(++argv);
151 } else if (strcmp(*argv, "-engine") == 0) {
155 } else if (strcmp(*argv, "-noout") == 0)
157 else if (strcmp(*argv, "-text") == 0)
159 else if (strcmp(*argv, "-conv_form") == 0) {
164 if (strcmp(*argv, "compressed") == 0)
165 form = POINT_CONVERSION_COMPRESSED;
166 else if (strcmp(*argv, "uncompressed") == 0)
167 form = POINT_CONVERSION_UNCOMPRESSED;
168 else if (strcmp(*argv, "hybrid") == 0)
169 form = POINT_CONVERSION_HYBRID;
172 } else if (strcmp(*argv, "-param_enc") == 0) {
177 if (strcmp(*argv, "named_curve") == 0)
178 asn1_flag = OPENSSL_EC_NAMED_CURVE;
179 else if (strcmp(*argv, "explicit") == 0)
183 } else if (strcmp(*argv, "-param_out") == 0)
185 else if (strcmp(*argv, "-pubin") == 0)
187 else if (strcmp(*argv, "-pubout") == 0)
189 else if ((enc = EVP_get_cipherbyname(&(argv[0][1]))) == NULL) {
190 BIO_printf(bio_err, "unknown option %s\n", *argv);
200 BIO_printf(bio_err, "%s [options] <infile >outfile\n", prog);
201 BIO_printf(bio_err, "where options are\n");
202 BIO_printf(bio_err, " -inform arg input format - "
204 BIO_printf(bio_err, " -outform arg output format - "
206 BIO_printf(bio_err, " -in arg input file\n");
207 BIO_printf(bio_err, " -passin arg input file pass "
209 BIO_printf(bio_err, " -out arg output file\n");
210 BIO_printf(bio_err, " -passout arg output file pass "
212 BIO_printf(bio_err, " -engine e use engine e, "
213 "possibly a hardware device.\n");
214 BIO_printf(bio_err, " -des encrypt PEM output, "
215 "instead of 'des' every other \n"
217 "supported by OpenSSL can be used\n");
218 BIO_printf(bio_err, " -text print the key\n");
219 BIO_printf(bio_err, " -noout don't print key out\n");
220 BIO_printf(bio_err, " -param_out print the elliptic "
221 "curve parameters\n");
222 BIO_printf(bio_err, " -conv_form arg specifies the "
223 "point conversion form \n");
224 BIO_printf(bio_err, " possible values:"
226 BIO_printf(bio_err, " "
227 " uncompressed (default)\n");
228 BIO_printf(bio_err, " " " hybrid\n");
229 BIO_printf(bio_err, " -param_enc arg specifies the way"
230 " the ec parameters are encoded\n");
231 BIO_printf(bio_err, " in the asn1 der " "encoding\n");
232 BIO_printf(bio_err, " possible values:"
233 " named_curve (default)\n");
234 BIO_printf(bio_err, " "
239 ERR_load_crypto_strings();
241 # ifndef OPENSSL_NO_ENGINE
242 e = setup_engine(bio_err, engine, 0);
245 if (!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
246 BIO_printf(bio_err, "Error getting passwords\n");
250 in = BIO_new(BIO_s_file());
251 out = BIO_new(BIO_s_file());
252 if ((in == NULL) || (out == NULL)) {
253 ERR_print_errors(bio_err);
258 BIO_set_fp(in, stdin, BIO_NOCLOSE);
260 if (BIO_read_filename(in, infile) <= 0) {
266 BIO_printf(bio_err, "read EC key\n");
267 if (informat == FORMAT_ASN1) {
269 eckey = d2i_EC_PUBKEY_bio(in, NULL);
271 eckey = d2i_ECPrivateKey_bio(in, NULL);
272 } else if (informat == FORMAT_PEM) {
274 eckey = PEM_read_bio_EC_PUBKEY(in, NULL, NULL, NULL);
276 eckey = PEM_read_bio_ECPrivateKey(in, NULL, NULL, passin);
278 BIO_printf(bio_err, "bad input format specified for key\n");
282 BIO_printf(bio_err, "unable to load Key\n");
283 ERR_print_errors(bio_err);
287 if (outfile == NULL) {
288 BIO_set_fp(out, stdout, BIO_NOCLOSE);
289 # ifdef OPENSSL_SYS_VMS
291 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
292 out = BIO_push(tmpbio, out);
296 if (BIO_write_filename(out, outfile) <= 0) {
302 group = EC_KEY_get0_group(eckey);
305 EC_KEY_set_conv_form(eckey, form);
308 EC_KEY_set_asn1_flag(eckey, asn1_flag);
311 if (!EC_KEY_print(out, eckey, 0)) {
313 ERR_print_errors(bio_err);
322 BIO_printf(bio_err, "writing EC key\n");
323 if (outformat == FORMAT_ASN1) {
325 i = i2d_ECPKParameters_bio(out, group);
326 else if (pubin || pubout)
327 i = i2d_EC_PUBKEY_bio(out, eckey);
329 i = i2d_ECPrivateKey_bio(out, eckey);
330 } else if (outformat == FORMAT_PEM) {
332 i = PEM_write_bio_ECPKParameters(out, group);
333 else if (pubin || pubout)
334 i = PEM_write_bio_EC_PUBKEY(out, eckey);
336 i = PEM_write_bio_ECPrivateKey(out, eckey, enc,
337 NULL, 0, NULL, passout);
339 BIO_printf(bio_err, "bad output format specified for " "outfile\n");
344 BIO_printf(bio_err, "unable to write private key\n");
345 ERR_print_errors(bio_err);
355 # ifndef OPENSSL_NO_ENGINE
360 OPENSSL_free(passin);
362 OPENSSL_free(passout);
366 #else /* !OPENSSL_NO_EC */
369 static void *dummy = &dummy;