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genpkey.c (256281) genpkey.c (280304)
1/* apps/genpkey.c */
1/* apps/genpkey.c */
2/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3 * project 2006
2/*
3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
4 * 2006
4 */
5/* ====================================================================
6 * Copyright (c) 2006 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
5 */
6/* ====================================================================
7 * Copyright (c) 2006 The OpenSSL Project. All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 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:

--- 35 unchanged lines hidden (view full) ---

57 */
58#include <stdio.h>
59#include <string.h>
60#include "apps.h"
61#include <openssl/pem.h>
62#include <openssl/err.h>
63#include <openssl/evp.h>
64#ifndef OPENSSL_NO_ENGINE
15 *
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in
18 * the documentation and/or other materials provided with the
19 * distribution.
20 *
21 * 3. All advertising materials mentioning features or use of this
22 * software must display the following acknowledgment:

--- 35 unchanged lines hidden (view full) ---

58 */
59#include <stdio.h>
60#include <string.h>
61#include "apps.h"
62#include <openssl/pem.h>
63#include <openssl/err.h>
64#include <openssl/evp.h>
65#ifndef OPENSSL_NO_ENGINE
65#include
66# include <openssl/engine.h>
66#endif
67
68static int init_keygen_file(BIO *err, EVP_PKEY_CTX **pctx,
67#endif
68
69static int init_keygen_file(BIO *err, EVP_PKEY_CTX **pctx,
69 const char *file, ENGINE *e);
70 const char *file, ENGINE *e);
70static int genpkey_cb(EVP_PKEY_CTX *ctx);
71
72#define PROG genpkey_main
73
74int MAIN(int, char **);
75
76int MAIN(int argc, char **argv)
71static int genpkey_cb(EVP_PKEY_CTX *ctx);
72
73#define PROG genpkey_main
74
75int MAIN(int, char **);
76
77int MAIN(int argc, char **argv)
77 {
78 ENGINE *e = NULL;
79 char **args, *outfile = NULL;
80 char *passarg = NULL;
81 BIO *in = NULL, *out = NULL;
82 const EVP_CIPHER *cipher = NULL;
83 int outformat;
84 int text = 0;
85 EVP_PKEY *pkey=NULL;
86 EVP_PKEY_CTX *ctx = NULL;
87 char *pass = NULL;
88 int badarg = 0;
89 int ret = 1, rv;
78{
79 ENGINE *e = NULL;
80 char **args, *outfile = NULL;
81 char *passarg = NULL;
82 BIO *in = NULL, *out = NULL;
83 const EVP_CIPHER *cipher = NULL;
84 int outformat;
85 int text = 0;
86 EVP_PKEY *pkey = NULL;
87 EVP_PKEY_CTX *ctx = NULL;
88 char *pass = NULL;
89 int badarg = 0;
90 int ret = 1, rv;
90
91
91 int do_param = 0;
92 int do_param = 0;
92
93
93 if (bio_err == NULL)
94 bio_err = BIO_new_fp (stderr, BIO_NOCLOSE);
94 if (bio_err == NULL)
95 bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
95
96
96 if (!load_config(bio_err, NULL))
97 goto end;
97 if (!load_config(bio_err, NULL))
98 goto end;
98
99
99 outformat=FORMAT_PEM;
100 outformat = FORMAT_PEM;
100
101
101 ERR_load_crypto_strings();
102 OpenSSL_add_all_algorithms();
103 args = argv + 1;
104 while (!badarg && *args && *args[0] == '-')
105 {
106 if (!strcmp(*args,"-outform"))
107 {
108 if (args[1])
109 {
110 args++;
111 outformat=str2fmt(*args);
112 }
113 else badarg = 1;
114 }
115 else if (!strcmp(*args,"-pass"))
116 {
117 if (!args[1]) goto bad;
118 passarg= *(++args);
119 }
102 ERR_load_crypto_strings();
103 OpenSSL_add_all_algorithms();
104 args = argv + 1;
105 while (!badarg && *args && *args[0] == '-') {
106 if (!strcmp(*args, "-outform")) {
107 if (args[1]) {
108 args++;
109 outformat = str2fmt(*args);
110 } else
111 badarg = 1;
112 } else if (!strcmp(*args, "-pass")) {
113 if (!args[1])
114 goto bad;
115 passarg = *(++args);
116 }
120#ifndef OPENSSL_NO_ENGINE
117#ifndef OPENSSL_NO_ENGINE
121 else if (strcmp(*args,"-engine") == 0)
122 {
123 if (!args[1])
124 goto bad;
125 e = setup_engine(bio_err, *(++args), 0);
126 }
118 else if (strcmp(*args, "-engine") == 0) {
119 if (!args[1])
120 goto bad;
121 e = setup_engine(bio_err, *(++args), 0);
122 }
127#endif
123#endif
128 else if (!strcmp (*args, "-paramfile"))
129 {
130 if (!args[1])
131 goto bad;
132 args++;
133 if (do_param == 1)
134 goto bad;
135 if (!init_keygen_file(bio_err, &ctx, *args, e))
136 goto end;
137 }
138 else if (!strcmp (*args, "-out"))
139 {
140 if (args[1])
141 {
142 args++;
143 outfile = *args;
144 }
145 else badarg = 1;
146 }
147 else if (strcmp(*args,"-algorithm") == 0)
148 {
149 if (!args[1])
150 goto bad;
151 if (!init_gen_str(bio_err, &ctx, *(++args),e, do_param))
152 goto end;
153 }
154 else if (strcmp(*args,"-pkeyopt") == 0)
155 {
156 if (!args[1])
157 goto bad;
158 if (!ctx)
159 {
160 BIO_puts(bio_err, "No keytype specified\n");
161 goto bad;
162 }
163 else if (pkey_ctrl_string(ctx, *(++args)) <= 0)
164 {
165 BIO_puts(bio_err, "parameter setting error\n");
166 ERR_print_errors(bio_err);
167 goto end;
168 }
169 }
170 else if (strcmp(*args,"-genparam") == 0)
171 {
172 if (ctx)
173 goto bad;
174 do_param = 1;
175 }
176 else if (strcmp(*args,"-text") == 0)
177 text=1;
178 else
179 {
180 cipher = EVP_get_cipherbyname(*args + 1);
181 if (!cipher)
182 {
183 BIO_printf(bio_err, "Unknown cipher %s\n",
184 *args + 1);
185 badarg = 1;
186 }
187 if (do_param == 1)
188 badarg = 1;
189 }
190 args++;
191 }
124 else if (!strcmp(*args, "-paramfile")) {
125 if (!args[1])
126 goto bad;
127 args++;
128 if (do_param == 1)
129 goto bad;
130 if (!init_keygen_file(bio_err, &ctx, *args, e))
131 goto end;
132 } else if (!strcmp(*args, "-out")) {
133 if (args[1]) {
134 args++;
135 outfile = *args;
136 } else
137 badarg = 1;
138 } else if (strcmp(*args, "-algorithm") == 0) {
139 if (!args[1])
140 goto bad;
141 if (!init_gen_str(bio_err, &ctx, *(++args), e, do_param))
142 goto end;
143 } else if (strcmp(*args, "-pkeyopt") == 0) {
144 if (!args[1])
145 goto bad;
146 if (!ctx) {
147 BIO_puts(bio_err, "No keytype specified\n");
148 goto bad;
149 } else if (pkey_ctrl_string(ctx, *(++args)) <= 0) {
150 BIO_puts(bio_err, "parameter setting error\n");
151 ERR_print_errors(bio_err);
152 goto end;
153 }
154 } else if (strcmp(*args, "-genparam") == 0) {
155 if (ctx)
156 goto bad;
157 do_param = 1;
158 } else if (strcmp(*args, "-text") == 0)
159 text = 1;
160 else {
161 cipher = EVP_get_cipherbyname(*args + 1);
162 if (!cipher) {
163 BIO_printf(bio_err, "Unknown cipher %s\n", *args + 1);
164 badarg = 1;
165 }
166 if (do_param == 1)
167 badarg = 1;
168 }
169 args++;
170 }
192
171
193 if (!ctx)
194 badarg = 1;
172 if (!ctx)
173 badarg = 1;
195
174
196 if (badarg)
197 {
198 bad:
199 BIO_printf(bio_err, "Usage: genpkey [options]\n");
200 BIO_printf(bio_err, "where options may be\n");
201 BIO_printf(bio_err, "-out file output file\n");
202 BIO_printf(bio_err, "-outform X output format (DER or PEM)\n");
203 BIO_printf(bio_err, "-pass arg output file pass phrase source\n");
204 BIO_printf(bio_err, "-<cipher> use cipher <cipher> to encrypt the key\n");
175 if (badarg) {
176 bad:
177 BIO_printf(bio_err, "Usage: genpkey [options]\n");
178 BIO_printf(bio_err, "where options may be\n");
179 BIO_printf(bio_err, "-out file output file\n");
180 BIO_printf(bio_err,
181 "-outform X output format (DER or PEM)\n");
182 BIO_printf(bio_err,
183 "-pass arg output file pass phrase source\n");
184 BIO_printf(bio_err,
185 "-<cipher> use cipher <cipher> to encrypt the key\n");
205#ifndef OPENSSL_NO_ENGINE
186#ifndef OPENSSL_NO_ENGINE
206 BIO_printf(bio_err, "-engine e use engine e, possibly a hardware device.\n");
187 BIO_printf(bio_err,
188 "-engine e use engine e, possibly a hardware device.\n");
207#endif
189#endif
208 BIO_printf(bio_err, "-paramfile file parameters file\n");
209 BIO_printf(bio_err, "-algorithm alg the public key algorithm\n");
210 BIO_printf(bio_err, "-pkeyopt opt:value set the public key algorithm option <opt>\n"
211 " to value <value>\n");
212 BIO_printf(bio_err, "-genparam generate parameters, not key\n");
213 BIO_printf(bio_err, "-text print the in text\n");
214 BIO_printf(bio_err, "NB: options order may be important! See the manual page.\n");
215 goto end;
216 }
190 BIO_printf(bio_err, "-paramfile file parameters file\n");
191 BIO_printf(bio_err, "-algorithm alg the public key algorithm\n");
192 BIO_printf(bio_err,
193 "-pkeyopt opt:value set the public key algorithm option <opt>\n"
194 " to value <value>\n");
195 BIO_printf(bio_err,
196 "-genparam generate parameters, not key\n");
197 BIO_printf(bio_err, "-text print the in text\n");
198 BIO_printf(bio_err,
199 "NB: options order may be important! See the manual page.\n");
200 goto end;
201 }
217
202
218 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
219 {
220 BIO_puts(bio_err, "Error getting password\n");
221 goto end;
222 }
203 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL)) {
204 BIO_puts(bio_err, "Error getting password\n");
205 goto end;
206 }
223
207
224 if (outfile)
225 {
226 if (!(out = BIO_new_file (outfile, "wb")))
227 {
228 BIO_printf(bio_err,
229 "Can't open output file %s\n", outfile);
230 goto end;
231 }
232 }
233 else
234 {
235 out = BIO_new_fp (stdout, BIO_NOCLOSE);
208 if (outfile) {
209 if (!(out = BIO_new_file(outfile, "wb"))) {
210 BIO_printf(bio_err, "Can't open output file %s\n", outfile);
211 goto end;
212 }
213 } else {
214 out = BIO_new_fp(stdout, BIO_NOCLOSE);
236#ifdef OPENSSL_SYS_VMS
215#ifdef OPENSSL_SYS_VMS
237 {
238 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
239 out = BIO_push(tmpbio, out);
240 }
216 {
217 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
218 out = BIO_push(tmpbio, out);
219 }
241#endif
220#endif
242 }
221 }
243
222
244 EVP_PKEY_CTX_set_cb(ctx, genpkey_cb);
245 EVP_PKEY_CTX_set_app_data(ctx, bio_err);
223 EVP_PKEY_CTX_set_cb(ctx, genpkey_cb);
224 EVP_PKEY_CTX_set_app_data(ctx, bio_err);
246
225
247 if (do_param)
248 {
249 if (EVP_PKEY_paramgen(ctx, &pkey) <= 0)
250 {
251 BIO_puts(bio_err, "Error generating parameters\n");
252 ERR_print_errors(bio_err);
253 goto end;
254 }
255 }
256 else
257 {
258 if (EVP_PKEY_keygen(ctx, &pkey) <= 0)
259 {
260 BIO_puts(bio_err, "Error generating key\n");
261 ERR_print_errors(bio_err);
262 goto end;
263 }
264 }
226 if (do_param) {
227 if (EVP_PKEY_paramgen(ctx, &pkey) <= 0) {
228 BIO_puts(bio_err, "Error generating parameters\n");
229 ERR_print_errors(bio_err);
230 goto end;
231 }
232 } else {
233 if (EVP_PKEY_keygen(ctx, &pkey) <= 0) {
234 BIO_puts(bio_err, "Error generating key\n");
235 ERR_print_errors(bio_err);
236 goto end;
237 }
238 }
265
239
266 if (do_param)
267 rv = PEM_write_bio_Parameters(out, pkey);
268 else if (outformat == FORMAT_PEM)
269 rv = PEM_write_bio_PrivateKey(out, pkey, cipher, NULL, 0,
270 NULL, pass);
271 else if (outformat == FORMAT_ASN1)
272 rv = i2d_PrivateKey_bio(out, pkey);
273 else
274 {
275 BIO_printf(bio_err, "Bad format specified for key\n");
276 goto end;
277 }
240 if (do_param)
241 rv = PEM_write_bio_Parameters(out, pkey);
242 else if (outformat == FORMAT_PEM)
243 rv = PEM_write_bio_PrivateKey(out, pkey, cipher, NULL, 0, NULL, pass);
244 else if (outformat == FORMAT_ASN1)
245 rv = i2d_PrivateKey_bio(out, pkey);
246 else {
247 BIO_printf(bio_err, "Bad format specified for key\n");
248 goto end;
249 }
278
250
279 if (rv <= 0)
280 {
281 BIO_puts(bio_err, "Error writing key\n");
282 ERR_print_errors(bio_err);
283 }
251 if (rv <= 0) {
252 BIO_puts(bio_err, "Error writing key\n");
253 ERR_print_errors(bio_err);
254 }
284
255
285 if (text)
286 {
287 if (do_param)
288 rv = EVP_PKEY_print_params(out, pkey, 0, NULL);
289 else
290 rv = EVP_PKEY_print_private(out, pkey, 0, NULL);
256 if (text) {
257 if (do_param)
258 rv = EVP_PKEY_print_params(out, pkey, 0, NULL);
259 else
260 rv = EVP_PKEY_print_private(out, pkey, 0, NULL);
291
261
292 if (rv <= 0)
293 {
294 BIO_puts(bio_err, "Error printing key\n");
295 ERR_print_errors(bio_err);
296 }
297 }
262 if (rv <= 0) {
263 BIO_puts(bio_err, "Error printing key\n");
264 ERR_print_errors(bio_err);
265 }
266 }
298
267
299 ret = 0;
268 ret = 0;
300
269
301 end:
302 if (pkey)
303 EVP_PKEY_free(pkey);
304 if (ctx)
305 EVP_PKEY_CTX_free(ctx);
306 if (out)
307 BIO_free_all(out);
308 BIO_free(in);
309 if (pass)
310 OPENSSL_free(pass);
270 end:
271 if (pkey)
272 EVP_PKEY_free(pkey);
273 if (ctx)
274 EVP_PKEY_CTX_free(ctx);
275 if (out)
276 BIO_free_all(out);
277 BIO_free(in);
278 if (pass)
279 OPENSSL_free(pass);
311
280
312 return ret;
313 }
281 return ret;
282}
314
315static int init_keygen_file(BIO *err, EVP_PKEY_CTX **pctx,
283
284static int init_keygen_file(BIO *err, EVP_PKEY_CTX **pctx,
316 const char *file, ENGINE *e)
317 {
318 BIO *pbio;
319 EVP_PKEY *pkey = NULL;
320 EVP_PKEY_CTX *ctx = NULL;
321 if (*pctx)
322 {
323 BIO_puts(err, "Parameters already set!\n");
324 return 0;
325 }
285 const char *file, ENGINE *e)
286{
287 BIO *pbio;
288 EVP_PKEY *pkey = NULL;
289 EVP_PKEY_CTX *ctx = NULL;
290 if (*pctx) {
291 BIO_puts(err, "Parameters already set!\n");
292 return 0;
293 }
326
294
327 pbio = BIO_new_file(file, "r");
328 if (!pbio)
329 {
330 BIO_printf(err, "Can't open parameter file %s\n", file);
331 return 0;
332 }
295 pbio = BIO_new_file(file, "r");
296 if (!pbio) {
297 BIO_printf(err, "Can't open parameter file %s\n", file);
298 return 0;
299 }
333
300
334 pkey = PEM_read_bio_Parameters(pbio, NULL);
335 BIO_free(pbio);
301 pkey = PEM_read_bio_Parameters(pbio, NULL);
302 BIO_free(pbio);
336
303
337 if (!pkey)
338 {
339 BIO_printf(bio_err, "Error reading parameter file %s\n", file);
340 return 0;
341 }
304 if (!pkey) {
305 BIO_printf(bio_err, "Error reading parameter file %s\n", file);
306 return 0;
307 }
342
308
343 ctx = EVP_PKEY_CTX_new(pkey, e);
344 if (!ctx)
345 goto err;
346 if (EVP_PKEY_keygen_init(ctx) <= 0)
347 goto err;
348 EVP_PKEY_free(pkey);
349 *pctx = ctx;
350 return 1;
309 ctx = EVP_PKEY_CTX_new(pkey, e);
310 if (!ctx)
311 goto err;
312 if (EVP_PKEY_keygen_init(ctx) <= 0)
313 goto err;
314 EVP_PKEY_free(pkey);
315 *pctx = ctx;
316 return 1;
351
317
352 err:
353 BIO_puts(err, "Error initializing context\n");
354 ERR_print_errors(err);
355 if (ctx)
356 EVP_PKEY_CTX_free(ctx);
357 if (pkey)
358 EVP_PKEY_free(pkey);
359 return 0;
318 err:
319 BIO_puts(err, "Error initializing context\n");
320 ERR_print_errors(err);
321 if (ctx)
322 EVP_PKEY_CTX_free(ctx);
323 if (pkey)
324 EVP_PKEY_free(pkey);
325 return 0;
360
326
361 }
327}
362
363int init_gen_str(BIO *err, EVP_PKEY_CTX **pctx,
328
329int init_gen_str(BIO *err, EVP_PKEY_CTX **pctx,
364 const char *algname, ENGINE *e, int do_param)
365 {
366 EVP_PKEY_CTX *ctx = NULL;
367 const EVP_PKEY_ASN1_METHOD *ameth;
368 ENGINE *tmpeng = NULL;
369 int pkey_id;
330 const char *algname, ENGINE *e, int do_param)
331{
332 EVP_PKEY_CTX *ctx = NULL;
333 const EVP_PKEY_ASN1_METHOD *ameth;
334 ENGINE *tmpeng = NULL;
335 int pkey_id;
370
336
371 if (*pctx)
372 {
373 BIO_puts(err, "Algorithm already set!\n");
374 return 0;
375 }
337 if (*pctx) {
338 BIO_puts(err, "Algorithm already set!\n");
339 return 0;
340 }
376
341
377 ameth = EVP_PKEY_asn1_find_str(&tmpeng, algname, -1);
342 ameth = EVP_PKEY_asn1_find_str(&tmpeng, algname, -1);
378
379#ifndef OPENSSL_NO_ENGINE
343
344#ifndef OPENSSL_NO_ENGINE
380 if (!ameth && e)
381 ameth = ENGINE_get_pkey_asn1_meth_str(e, algname, -1);
345 if (!ameth && e)
346 ameth = ENGINE_get_pkey_asn1_meth_str(e, algname, -1);
382#endif
383
347#endif
348
384 if (!ameth)
385 {
386 BIO_printf(bio_err, "Algorithm %s not found\n", algname);
387 return 0;
388 }
349 if (!ameth) {
350 BIO_printf(bio_err, "Algorithm %s not found\n", algname);
351 return 0;
352 }
389
353
390 ERR_clear_error();
354 ERR_clear_error();
391
355
392 EVP_PKEY_asn1_get0_info(&pkey_id, NULL, NULL, NULL, NULL, ameth);
356 EVP_PKEY_asn1_get0_info(&pkey_id, NULL, NULL, NULL, NULL, ameth);
393#ifndef OPENSSL_NO_ENGINE
357#ifndef OPENSSL_NO_ENGINE
394 if (tmpeng)
395 ENGINE_finish(tmpeng);
358 if (tmpeng)
359 ENGINE_finish(tmpeng);
396#endif
360#endif
397 ctx = EVP_PKEY_CTX_new_id(pkey_id, e);
361 ctx = EVP_PKEY_CTX_new_id(pkey_id, e);
398
362
399 if (!ctx)
400 goto err;
401 if (do_param)
402 {
403 if (EVP_PKEY_paramgen_init(ctx) <= 0)
404 goto err;
405 }
406 else
407 {
408 if (EVP_PKEY_keygen_init(ctx) <= 0)
409 goto err;
410 }
363 if (!ctx)
364 goto err;
365 if (do_param) {
366 if (EVP_PKEY_paramgen_init(ctx) <= 0)
367 goto err;
368 } else {
369 if (EVP_PKEY_keygen_init(ctx) <= 0)
370 goto err;
371 }
411
372
412 *pctx = ctx;
413 return 1;
373 *pctx = ctx;
374 return 1;
414
375
415 err:
416 BIO_printf(err, "Error initializing %s context\n", algname);
417 ERR_print_errors(err);
418 if (ctx)
419 EVP_PKEY_CTX_free(ctx);
420 return 0;
376 err:
377 BIO_printf(err, "Error initializing %s context\n", algname);
378 ERR_print_errors(err);
379 if (ctx)
380 EVP_PKEY_CTX_free(ctx);
381 return 0;
421
382
422 }
383}
423
424static int genpkey_cb(EVP_PKEY_CTX *ctx)
384
385static int genpkey_cb(EVP_PKEY_CTX *ctx)
425 {
426 char c='*';
427 BIO *b = EVP_PKEY_CTX_get_app_data(ctx);
428 int p;
429 p = EVP_PKEY_CTX_get_keygen_info(ctx, 0);
430 if (p == 0) c='.';
431 if (p == 1) c='+';
432 if (p == 2) c='*';
433 if (p == 3) c='\n';
434 BIO_write(b,&c,1);
435 (void)BIO_flush(b);
386{
387 char c = '*';
388 BIO *b = EVP_PKEY_CTX_get_app_data(ctx);
389 int p;
390 p = EVP_PKEY_CTX_get_keygen_info(ctx, 0);
391 if (p == 0)
392 c = '.';
393 if (p == 1)
394 c = '+';
395 if (p == 2)
396 c = '*';
397 if (p == 3)
398 c = '\n';
399 BIO_write(b, &c, 1);
400 (void)BIO_flush(b);
436#ifdef LINT
401#ifdef LINT
437 p=n;
402 p = n;
438#endif
403#endif
439 return 1;
440 }
404 return 1;
405}