3 * Written by Nils Larsch for the OpenSSL project.
5 /* ====================================================================
6 * Copyright (c) 1998-2002 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).
64 #include <openssl/bio.h>
65 #include <openssl/err.h>
66 #include <openssl/evp.h>
67 #include <openssl/pem.h>
72 /* -inform arg - input format - default PEM (one of DER, NET or PEM)
73 * -outform arg - output format - default PEM
74 * -in arg - input file - default stdin
75 * -out arg - output file - default stdout
76 * -des - encrypt output if PEM format with DES in cbc mode
77 * -text - print a text version
78 * -param_out - print the elliptic curve parameters
79 * -conv_form arg - specifies the point encoding form
80 * -param_enc arg - specifies the parameter encoding
83 int MAIN(int, char **);
85 int MAIN(int argc, char **argv)
91 const EVP_CIPHER *enc = NULL;
92 BIO *in = NULL, *out = NULL;
93 int informat, outformat, text=0, noout=0;
94 int pubin = 0, pubout = 0, param_out = 0;
95 char *infile, *outfile, *prog, *engine;
96 char *passargin = NULL, *passargout = NULL;
97 char *passin = NULL, *passout = NULL;
98 point_conversion_form_t form = POINT_CONVERSION_UNCOMPRESSED;
100 int asn1_flag = OPENSSL_EC_NAMED_CURVE;
101 int new_asn1_flag = 0;
106 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
107 BIO_set_fp(bio_err, stderr, BIO_NOCLOSE|BIO_FP_TEXT);
109 if (!load_config(bio_err, NULL))
115 informat = FORMAT_PEM;
116 outformat = FORMAT_PEM;
123 if (strcmp(*argv,"-inform") == 0)
125 if (--argc < 1) goto bad;
126 informat=str2fmt(*(++argv));
128 else if (strcmp(*argv,"-outform") == 0)
130 if (--argc < 1) goto bad;
131 outformat=str2fmt(*(++argv));
133 else if (strcmp(*argv,"-in") == 0)
135 if (--argc < 1) goto bad;
138 else if (strcmp(*argv,"-out") == 0)
140 if (--argc < 1) goto bad;
143 else if (strcmp(*argv,"-passin") == 0)
145 if (--argc < 1) goto bad;
146 passargin= *(++argv);
148 else if (strcmp(*argv,"-passout") == 0)
150 if (--argc < 1) goto bad;
151 passargout= *(++argv);
153 else if (strcmp(*argv, "-engine") == 0)
155 if (--argc < 1) goto bad;
158 else if (strcmp(*argv, "-noout") == 0)
160 else if (strcmp(*argv, "-text") == 0)
162 else if (strcmp(*argv, "-conv_form") == 0)
168 if (strcmp(*argv, "compressed") == 0)
169 form = POINT_CONVERSION_COMPRESSED;
170 else if (strcmp(*argv, "uncompressed") == 0)
171 form = POINT_CONVERSION_UNCOMPRESSED;
172 else if (strcmp(*argv, "hybrid") == 0)
173 form = POINT_CONVERSION_HYBRID;
177 else if (strcmp(*argv, "-param_enc") == 0)
183 if (strcmp(*argv, "named_curve") == 0)
184 asn1_flag = OPENSSL_EC_NAMED_CURVE;
185 else if (strcmp(*argv, "explicit") == 0)
190 else if (strcmp(*argv, "-param_out") == 0)
192 else if (strcmp(*argv, "-pubin") == 0)
194 else if (strcmp(*argv, "-pubout") == 0)
196 else if ((enc=EVP_get_cipherbyname(&(argv[0][1]))) == NULL)
198 BIO_printf(bio_err, "unknown option %s\n", *argv);
209 BIO_printf(bio_err, "%s [options] <infile >outfile\n", prog);
210 BIO_printf(bio_err, "where options are\n");
211 BIO_printf(bio_err, " -inform arg input format - "
213 BIO_printf(bio_err, " -outform arg output format - "
215 BIO_printf(bio_err, " -in arg input file\n");
216 BIO_printf(bio_err, " -passin arg input file pass "
218 BIO_printf(bio_err, " -out arg output file\n");
219 BIO_printf(bio_err, " -passout arg output file pass "
221 BIO_printf(bio_err, " -engine e use engine e, "
222 "possibly a hardware device.\n");
223 BIO_printf(bio_err, " -des encrypt PEM output, "
224 "instead of 'des' every other \n"
226 "supported by OpenSSL can be used\n");
227 BIO_printf(bio_err, " -text print the key\n");
228 BIO_printf(bio_err, " -noout don't print key out\n");
229 BIO_printf(bio_err, " -param_out print the elliptic "
230 "curve parameters\n");
231 BIO_printf(bio_err, " -conv_form arg specifies the "
232 "point conversion form \n");
233 BIO_printf(bio_err, " possible values:"
235 BIO_printf(bio_err, " "
236 " uncompressed (default)\n");
237 BIO_printf(bio_err, " "
239 BIO_printf(bio_err, " -param_enc arg specifies the way"
240 " the ec parameters are encoded\n");
241 BIO_printf(bio_err, " in the asn1 der "
243 BIO_printf(bio_err, " possilbe values:"
244 " named_curve (default)\n");
245 BIO_printf(bio_err," "
250 ERR_load_crypto_strings();
252 e = setup_engine(bio_err, engine, 0);
254 if(!app_passwd(bio_err, passargin, passargout, &passin, &passout))
256 BIO_printf(bio_err, "Error getting passwords\n");
260 in = BIO_new(BIO_s_file());
261 out = BIO_new(BIO_s_file());
262 if ((in == NULL) || (out == NULL))
264 ERR_print_errors(bio_err);
269 BIO_set_fp(in, stdin, BIO_NOCLOSE);
272 if (BIO_read_filename(in, infile) <= 0)
279 BIO_printf(bio_err, "read EC key\n");
280 if (informat == FORMAT_ASN1)
283 eckey = d2i_EC_PUBKEY_bio(in, NULL);
285 eckey = d2i_ECPrivateKey_bio(in, NULL);
287 else if (informat == FORMAT_PEM)
290 eckey = PEM_read_bio_EC_PUBKEY(in, NULL, NULL,
293 eckey = PEM_read_bio_ECPrivateKey(in, NULL, NULL,
298 BIO_printf(bio_err, "bad input format specified for key\n");
303 BIO_printf(bio_err,"unable to load Key\n");
304 ERR_print_errors(bio_err);
310 BIO_set_fp(out, stdout, BIO_NOCLOSE);
311 #ifdef OPENSSL_SYS_VMS
313 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
314 out = BIO_push(tmpbio, out);
320 if (BIO_write_filename(out, outfile) <= 0)
329 EC_GROUP_set_point_conversion_form(eckey->group, form);
330 eckey->conv_form = form;
334 EC_GROUP_set_asn1_flag(eckey->group, asn1_flag);
337 if (!EC_KEY_print(out, eckey, 0))
340 ERR_print_errors(bio_err);
347 BIO_printf(bio_err, "writing EC key\n");
348 if (outformat == FORMAT_ASN1)
351 i = i2d_ECPKParameters_bio(out, eckey->group);
352 else if (pubin || pubout)
353 i = i2d_EC_PUBKEY_bio(out, eckey);
355 i = i2d_ECPrivateKey_bio(out, eckey);
357 else if (outformat == FORMAT_PEM)
360 i = PEM_write_bio_ECPKParameters(out, eckey->group);
361 else if (pubin || pubout)
362 i = PEM_write_bio_EC_PUBKEY(out, eckey);
364 i = PEM_write_bio_ECPrivateKey(out, eckey, enc,
365 NULL, 0, NULL, passout);
369 BIO_printf(bio_err, "bad output format specified for "
376 BIO_printf(bio_err, "unable to write private key\n");
377 ERR_print_errors(bio_err);
389 OPENSSL_free(passin);
391 OPENSSL_free(passout);