2 * Written by Nils Larsch for the OpenSSL project.
4 /* ====================================================================
5 * Copyright (c) 1998-2005 The OpenSSL Project. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in
16 * the documentation and/or other materials provided with the
19 * 3. All advertising materials mentioning features or use of this
20 * software must display the following acknowledgment:
21 * "This product includes software developed by the OpenSSL Project
22 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
24 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
25 * endorse or promote products derived from this software without
26 * prior written permission. For written permission, please contact
27 * openssl-core@openssl.org.
29 * 5. Products derived from this software may not be called "OpenSSL"
30 * nor may "OpenSSL" appear in their names without prior written
31 * permission of the OpenSSL Project.
33 * 6. Redistributions of any form whatsoever must retain the following
35 * "This product includes software developed by the OpenSSL Project
36 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
38 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
39 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
40 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
41 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
42 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
43 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
44 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
45 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
46 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
47 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
48 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
49 * OF THE POSSIBILITY OF SUCH DAMAGE.
50 * ====================================================================
52 * This product includes cryptographic software written by Eric Young
53 * (eay@cryptsoft.com). This product includes software written by Tim
54 * Hudson (tjh@cryptsoft.com).
58 #include <openssl/opensslconf.h>
64 # include <openssl/bio.h>
65 # include <openssl/err.h>
66 # include <openssl/evp.h>
67 # include <openssl/pem.h>
69 static OPT_PAIR conv_forms
[] = {
70 {"compressed", POINT_CONVERSION_COMPRESSED
},
71 {"uncompressed", POINT_CONVERSION_UNCOMPRESSED
},
72 {"hybrid", POINT_CONVERSION_HYBRID
},
76 static OPT_PAIR param_enc
[] = {
77 {"named_curve", OPENSSL_EC_NAMED_CURVE
},
82 typedef enum OPTION_choice
{
83 OPT_ERR
= -1, OPT_EOF
= 0, OPT_HELP
,
84 OPT_INFORM
, OPT_OUTFORM
, OPT_ENGINE
, OPT_IN
, OPT_OUT
,
85 OPT_NOOUT
, OPT_TEXT
, OPT_PARAM_OUT
, OPT_PUBIN
, OPT_PUBOUT
,
86 OPT_PASSIN
, OPT_PASSOUT
, OPT_PARAM_ENC
, OPT_CONV_FORM
, OPT_CIPHER
89 OPTIONS ec_options
[] = {
90 {"help", OPT_HELP
, '-', "Display this summary"},
91 {"in", OPT_IN
, '<', "Input file"},
92 {"inform", OPT_INFORM
, 'F', "Input format - DER or PEM"},
93 {"out", OPT_OUT
, '>', "Output file"},
94 {"outform", OPT_OUTFORM
, 'F', "Output format - DER or PEM"},
95 {"noout", OPT_NOOUT
, '-', "Don't print key out"},
96 {"text", OPT_TEXT
, '-', "Print the key"},
97 {"param_out", OPT_PARAM_OUT
, '-', "Print the elliptic curve parameters"},
98 {"pubin", OPT_PUBIN
, '-'},
99 {"pubout", OPT_PUBOUT
, '-'},
100 {"passin", OPT_PASSIN
, 's', "Input file pass phrase source"},
101 {"passout", OPT_PASSOUT
, 's', "Output file pass phrase source"},
102 {"param_enc", OPT_PARAM_ENC
, 's',
103 "Specifies the way the ec parameters are encoded"},
104 {"conv_form", OPT_CONV_FORM
, 's', "Specifies the point conversion form "},
105 {"", OPT_CIPHER
, '-', "Any supported cipher"},
106 # ifndef OPENSSL_NO_ENGINE
107 {"engine", OPT_ENGINE
, 's', "Use engine, possibly a hardware device"},
112 int ec_main(int argc
, char **argv
)
114 BIO
*in
= NULL
, *out
= NULL
;
115 EC_KEY
*eckey
= NULL
;
116 const EC_GROUP
*group
;
117 const EVP_CIPHER
*enc
= NULL
;
118 point_conversion_form_t form
= POINT_CONVERSION_UNCOMPRESSED
;
119 char *infile
= NULL
, *outfile
= NULL
, *prog
;
120 char *passin
= NULL
, *passout
= NULL
, *passinarg
= NULL
, *passoutarg
= NULL
;
122 int asn1_flag
= OPENSSL_EC_NAMED_CURVE
, new_form
= 0, new_asn1_flag
= 0;
123 int informat
= FORMAT_PEM
, outformat
= FORMAT_PEM
, text
= 0, noout
= 0;
124 int pubin
= 0, pubout
= 0, param_out
= 0, i
, ret
= 1;
126 prog
= opt_init(argc
, argv
, ec_options
);
127 while ((o
= opt_next()) != OPT_EOF
) {
132 BIO_printf(bio_err
, "%s: Use -help for summary.\n", prog
);
135 opt_help(ec_options
);
139 if (!opt_format(opt_arg(), OPT_FMT_PEMDER
, &informat
))
146 if (!opt_format(opt_arg(), OPT_FMT_PEMDER
, &outformat
))
168 passinarg
= opt_arg();
171 passoutarg
= opt_arg();
174 (void)setup_engine(opt_arg(), 0);
177 if (!opt_cipher(opt_unknown(), &enc
))
181 if (!opt_pair(opt_arg(), conv_forms
, &i
))
187 if (!opt_pair(opt_arg(), param_enc
, &i
))
194 argc
= opt_num_rest();
197 if (!app_passwd(passinarg
, passoutarg
, &passin
, &passout
)) {
198 BIO_printf(bio_err
, "Error getting passwords\n");
202 if (!app_load_modules(NULL
))
205 in
= bio_open_default(infile
, RB(informat
));
209 BIO_printf(bio_err
, "read EC key\n");
210 if (informat
== FORMAT_ASN1
) {
212 eckey
= d2i_EC_PUBKEY_bio(in
, NULL
);
214 eckey
= d2i_ECPrivateKey_bio(in
, NULL
);
217 eckey
= PEM_read_bio_EC_PUBKEY(in
, NULL
, NULL
, NULL
);
219 eckey
= PEM_read_bio_ECPrivateKey(in
, NULL
, NULL
, passin
);
222 BIO_printf(bio_err
, "unable to load Key\n");
223 ERR_print_errors(bio_err
);
227 out
= bio_open_default(outfile
, WB(outformat
));
231 group
= EC_KEY_get0_group(eckey
);
234 EC_KEY_set_conv_form(eckey
, form
);
237 EC_KEY_set_asn1_flag(eckey
, asn1_flag
);
240 if (!EC_KEY_print(out
, eckey
, 0)) {
242 ERR_print_errors(bio_err
);
251 BIO_printf(bio_err
, "writing EC key\n");
252 if (outformat
== FORMAT_ASN1
) {
254 i
= i2d_ECPKParameters_bio(out
, group
);
255 else if (pubin
|| pubout
)
256 i
= i2d_EC_PUBKEY_bio(out
, eckey
);
258 i
= i2d_ECPrivateKey_bio(out
, eckey
);
261 i
= PEM_write_bio_ECPKParameters(out
, group
);
262 else if (pubin
|| pubout
)
263 i
= PEM_write_bio_EC_PUBKEY(out
, eckey
);
265 i
= PEM_write_bio_ECPrivateKey(out
, eckey
, enc
,
266 NULL
, 0, NULL
, passout
);
270 BIO_printf(bio_err
, "unable to write private key\n");
271 ERR_print_errors(bio_err
);
278 OPENSSL_free(passin
);
279 OPENSSL_free(passout
);
282 #else /* !OPENSSL_NO_EC */
285 static void *dummy
= &dummy
;