rll does not seem to be available on legacy s390.
[openssl.git] / apps / ec.c
1 /* apps/ec.c */
2 /*
3  * Written by Nils Larsch for the OpenSSL project.
4  */
5 /* ====================================================================
6  * Copyright (c) 1998-2005 The OpenSSL Project.  All rights reserved.
7  *
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  *
57  */
58
59 #include <openssl/opensslconf.h>
60 #ifndef OPENSSL_NO_EC
61 #include <stdio.h>
62 #include <stdlib.h>
63 #include <string.h>
64 #include "apps.h"
65 #include <openssl/bio.h>
66 #include <openssl/err.h>
67 #include <openssl/evp.h>
68 #include <openssl/pem.h>
69
70 #undef PROG
71 #define PROG    ec_main
72
73 /* -inform arg    - input format - default PEM (one of DER, NET or PEM)
74  * -outform arg   - output format - default PEM
75  * -in arg        - input file - default stdin
76  * -out arg       - output file - default stdout
77  * -des           - encrypt output if PEM format with DES in cbc mode
78  * -text          - print a text version
79  * -param_out     - print the elliptic curve parameters
80  * -conv_form arg - specifies the point encoding form
81  * -param_enc arg - specifies the parameter encoding
82  */
83
84 int MAIN(int, char **);
85
86 int MAIN(int argc, char **argv)
87 {
88 #ifndef OPENSSL_NO_ENGINE
89         ENGINE  *e = NULL;
90 #endif
91         int     ret = 1;
92         EC_KEY  *eckey = NULL;
93         const EC_GROUP *group;
94         int     i, badops = 0;
95         const EVP_CIPHER *enc = NULL;
96         BIO     *in = NULL, *out = NULL;
97         int     informat, outformat, text=0, noout=0;
98         int     pubin = 0, pubout = 0, param_out = 0;
99         char    *infile, *outfile, *prog, *engine;
100         char    *passargin = NULL, *passargout = NULL;
101         char    *passin = NULL, *passout = NULL;
102         point_conversion_form_t form = POINT_CONVERSION_UNCOMPRESSED;
103         int     new_form = 0;
104         int     asn1_flag = OPENSSL_EC_NAMED_CURVE;
105         int     new_asn1_flag = 0;
106
107         apps_startup();
108
109         if (bio_err == NULL)
110                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
111                         BIO_set_fp(bio_err, stderr, BIO_NOCLOSE|BIO_FP_TEXT);
112
113         if (!load_config(bio_err, NULL))
114                 goto end;
115
116         engine = NULL;
117         infile = NULL;
118         outfile = NULL;
119         informat = FORMAT_PEM;
120         outformat = FORMAT_PEM;
121
122         prog = argv[0];
123         argc--;
124         argv++;
125         while (argc >= 1)
126                 {
127                 if (strcmp(*argv,"-inform") == 0)
128                         {
129                         if (--argc < 1) goto bad;
130                         informat=str2fmt(*(++argv));
131                         }
132                 else if (strcmp(*argv,"-outform") == 0)
133                         {
134                         if (--argc < 1) goto bad;
135                         outformat=str2fmt(*(++argv));
136                         }
137                 else if (strcmp(*argv,"-in") == 0)
138                         {
139                         if (--argc < 1) goto bad;
140                         infile= *(++argv);
141                         }
142                 else if (strcmp(*argv,"-out") == 0)
143                         {
144                         if (--argc < 1) goto bad;
145                         outfile= *(++argv);
146                         }
147                 else if (strcmp(*argv,"-passin") == 0)
148                         {
149                         if (--argc < 1) goto bad;
150                         passargin= *(++argv);
151                         }
152                 else if (strcmp(*argv,"-passout") == 0)
153                         {
154                         if (--argc < 1) goto bad;
155                         passargout= *(++argv);
156                         }
157                 else if (strcmp(*argv, "-engine") == 0)
158                         {
159                         if (--argc < 1) goto bad;
160                         engine= *(++argv);
161                         }
162                 else if (strcmp(*argv, "-noout") == 0)
163                         noout = 1;
164                 else if (strcmp(*argv, "-text") == 0)
165                         text = 1;
166                 else if (strcmp(*argv, "-conv_form") == 0)
167                         {
168                         if (--argc < 1)
169                                 goto bad;
170                         ++argv;
171                         new_form = 1;
172                         if (strcmp(*argv, "compressed") == 0)
173                                 form = POINT_CONVERSION_COMPRESSED;
174                         else if (strcmp(*argv, "uncompressed") == 0)
175                                 form = POINT_CONVERSION_UNCOMPRESSED;
176                         else if (strcmp(*argv, "hybrid") == 0)
177                                 form = POINT_CONVERSION_HYBRID;
178                         else
179                                 goto bad;
180                         }
181                 else if (strcmp(*argv, "-param_enc") == 0)
182                         {
183                         if (--argc < 1)
184                                 goto bad;
185                         ++argv;
186                         new_asn1_flag = 1;
187                         if (strcmp(*argv, "named_curve") == 0)
188                                 asn1_flag = OPENSSL_EC_NAMED_CURVE;
189                         else if (strcmp(*argv, "explicit") == 0)
190                                 asn1_flag = 0;
191                         else
192                                 goto bad;
193                         }
194                 else if (strcmp(*argv, "-param_out") == 0)
195                         param_out = 1;
196                 else if (strcmp(*argv, "-pubin") == 0)
197                         pubin=1;
198                 else if (strcmp(*argv, "-pubout") == 0)
199                         pubout=1;
200                 else if ((enc=EVP_get_cipherbyname(&(argv[0][1]))) == NULL)
201                         {
202                         BIO_printf(bio_err, "unknown option %s\n", *argv);
203                         badops=1;
204                         break;
205                         }
206                 argc--;
207                 argv++;
208                 }
209
210         if (badops)
211                 {
212 bad:
213                 BIO_printf(bio_err, "%s [options] <infile >outfile\n", prog);
214                 BIO_printf(bio_err, "where options are\n");
215                 BIO_printf(bio_err, " -inform arg     input format - "
216                                 "DER or PEM\n");
217                 BIO_printf(bio_err, " -outform arg    output format - "
218                                 "DER or PEM\n");
219                 BIO_printf(bio_err, " -in arg         input file\n");
220                 BIO_printf(bio_err, " -passin arg     input file pass "
221                                 "phrase source\n");
222                 BIO_printf(bio_err, " -out arg        output file\n");
223                 BIO_printf(bio_err, " -passout arg    output file pass "
224                                 "phrase source\n");
225                 BIO_printf(bio_err, " -engine e       use engine e, "
226                                 "possibly a hardware device.\n");
227                 BIO_printf(bio_err, " -des            encrypt PEM output, "
228                                 "instead of 'des' every other \n"
229                                 "                 cipher "
230                                 "supported by OpenSSL can be used\n");
231                 BIO_printf(bio_err, " -text           print the key\n");
232                 BIO_printf(bio_err, " -noout          don't print key out\n");
233                 BIO_printf(bio_err, " -param_out      print the elliptic "
234                                 "curve parameters\n");
235                 BIO_printf(bio_err, " -conv_form arg  specifies the "
236                                 "point conversion form \n");
237                 BIO_printf(bio_err, "                 possible values:"
238                                 " compressed\n");
239                 BIO_printf(bio_err, "                                 "
240                                 " uncompressed (default)\n");
241                 BIO_printf(bio_err, "                                  "
242                                 " hybrid\n");
243                 BIO_printf(bio_err, " -param_enc arg  specifies the way"
244                                 " the ec parameters are encoded\n");
245                 BIO_printf(bio_err, "                 in the asn1 der "
246                                 "encoding\n");
247                 BIO_printf(bio_err, "                 possilbe values:"
248                                 " named_curve (default)\n");
249                 BIO_printf(bio_err,"                                  "
250                                 "explicit\n");
251                 goto end;
252                 }
253
254         ERR_load_crypto_strings();
255
256 #ifndef OPENSSL_NO_ENGINE
257         e = setup_engine(bio_err, engine, 0);
258 #endif
259
260         if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) 
261                 {
262                 BIO_printf(bio_err, "Error getting passwords\n");
263                 goto end;
264                 }
265
266         in = BIO_new(BIO_s_file());
267         out = BIO_new(BIO_s_file());
268         if ((in == NULL) || (out == NULL))
269                 {
270                 ERR_print_errors(bio_err);
271                 goto end;
272                 }
273
274         if (infile == NULL)
275                 BIO_set_fp(in, stdin, BIO_NOCLOSE);
276         else
277                 {
278                 if (BIO_read_filename(in, infile) <= 0)
279                         {
280                         perror(infile);
281                         goto end;
282                         }
283                 }
284
285         BIO_printf(bio_err, "read EC key\n");
286         if (informat == FORMAT_ASN1) 
287                 {
288                 if (pubin) 
289                         eckey = d2i_EC_PUBKEY_bio(in, NULL);
290                 else 
291                         eckey = d2i_ECPrivateKey_bio(in, NULL);
292                 } 
293         else if (informat == FORMAT_PEM) 
294                 {
295                 if (pubin) 
296                         eckey = PEM_read_bio_EC_PUBKEY(in, NULL, NULL, 
297                                 NULL);
298                 else 
299                         eckey = PEM_read_bio_ECPrivateKey(in, NULL, NULL,
300                                 passin);
301                 } 
302         else
303                 {
304                 BIO_printf(bio_err, "bad input format specified for key\n");
305                 goto end;
306                 }
307         if (eckey == NULL)
308                 {
309                 BIO_printf(bio_err,"unable to load Key\n");
310                 ERR_print_errors(bio_err);
311                 goto end;
312                 }
313
314         if (outfile == NULL)
315                 {
316                 BIO_set_fp(out, stdout, BIO_NOCLOSE);
317 #ifdef OPENSSL_SYS_VMS
318                         {
319                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
320                         out = BIO_push(tmpbio, out);
321                         }
322 #endif
323                 }
324         else
325                 {
326                 if (BIO_write_filename(out, outfile) <= 0)
327                         {
328                         perror(outfile);
329                         goto end;
330                         }
331                 }
332
333         group = EC_KEY_get0_group(eckey);
334
335         if (new_form)
336                 EC_KEY_set_conv_form(eckey, form);
337
338         if (new_asn1_flag)
339                 EC_KEY_set_asn1_flag(eckey, asn1_flag);
340
341         if (text) 
342                 if (!EC_KEY_print(out, eckey, 0))
343                         {
344                         perror(outfile);
345                         ERR_print_errors(bio_err);
346                         goto end;
347                         }
348
349         if (noout) 
350                 {
351                 ret = 0;
352                 goto end;
353                 }
354
355         BIO_printf(bio_err, "writing EC key\n");
356         if (outformat == FORMAT_ASN1) 
357                 {
358                 if (param_out)
359                         i = i2d_ECPKParameters_bio(out, group);
360                 else if (pubin || pubout) 
361                         i = i2d_EC_PUBKEY_bio(out, eckey);
362                 else 
363                         i = i2d_ECPrivateKey_bio(out, eckey);
364                 } 
365         else if (outformat == FORMAT_PEM) 
366                 {
367                 if (param_out)
368                         i = PEM_write_bio_ECPKParameters(out, group);
369                 else if (pubin || pubout)
370                         i = PEM_write_bio_EC_PUBKEY(out, eckey);
371                 else 
372                         i = PEM_write_bio_ECPrivateKey(out, eckey, enc,
373                                                 NULL, 0, NULL, passout);
374                 } 
375         else 
376                 {
377                 BIO_printf(bio_err, "bad output format specified for "
378                         "outfile\n");
379                 goto end;
380                 }
381
382         if (!i)
383                 {
384                 BIO_printf(bio_err, "unable to write private key\n");
385                 ERR_print_errors(bio_err);
386                 }
387         else
388                 ret=0;
389 end:
390         if (in)
391                 BIO_free(in);
392         if (out)
393                 BIO_free_all(out);
394         if (eckey)
395                 EC_KEY_free(eckey);
396         if (passin)
397                 OPENSSL_free(passin);
398         if (passout)
399                 OPENSSL_free(passout);
400         apps_shutdown();
401         OPENSSL_EXIT(ret);
402 }
403 #endif