diff options
Diffstat (limited to 'src/usr.bin/openssl/genpkey.c')
-rw-r--r-- | src/usr.bin/openssl/genpkey.c | 383 |
1 files changed, 383 insertions, 0 deletions
diff --git a/src/usr.bin/openssl/genpkey.c b/src/usr.bin/openssl/genpkey.c new file mode 100644 index 0000000000..02332f6682 --- /dev/null +++ b/src/usr.bin/openssl/genpkey.c | |||
@@ -0,0 +1,383 @@ | |||
1 | /* $OpenBSD: genpkey.c,v 1.1 2014/08/26 17:47:24 jsing Exp $ */ | ||
2 | /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL | ||
3 | * project 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 | ||
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 | * licensing@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 <stdio.h> | ||
60 | #include <string.h> | ||
61 | |||
62 | #include "apps.h" | ||
63 | |||
64 | #include <openssl/err.h> | ||
65 | #include <openssl/evp.h> | ||
66 | #include <openssl/pem.h> | ||
67 | |||
68 | #ifndef OPENSSL_NO_ENGINE | ||
69 | #include <openssl/engine.h> | ||
70 | #endif | ||
71 | |||
72 | static int | ||
73 | init_keygen_file(BIO * err, EVP_PKEY_CTX ** pctx, const char *file, | ||
74 | ENGINE * e); | ||
75 | static int genpkey_cb(EVP_PKEY_CTX * ctx); | ||
76 | |||
77 | |||
78 | int genpkey_main(int, char **); | ||
79 | |||
80 | int | ||
81 | genpkey_main(int argc, char **argv) | ||
82 | { | ||
83 | ENGINE *e = NULL; | ||
84 | char **args, *outfile = NULL; | ||
85 | char *passarg = NULL; | ||
86 | BIO *in = NULL, *out = NULL; | ||
87 | const EVP_CIPHER *cipher = NULL; | ||
88 | int outformat; | ||
89 | int text = 0; | ||
90 | EVP_PKEY *pkey = NULL; | ||
91 | EVP_PKEY_CTX *ctx = NULL; | ||
92 | char *pass = NULL; | ||
93 | int badarg = 0; | ||
94 | int ret = 1, rv; | ||
95 | |||
96 | int do_param = 0; | ||
97 | |||
98 | outformat = FORMAT_PEM; | ||
99 | |||
100 | ERR_load_crypto_strings(); | ||
101 | OpenSSL_add_all_algorithms(); | ||
102 | args = argv + 1; | ||
103 | while (!badarg && *args && *args[0] == '-') { | ||
104 | if (!strcmp(*args, "-outform")) { | ||
105 | if (args[1]) { | ||
106 | args++; | ||
107 | outformat = str2fmt(*args); | ||
108 | } else | ||
109 | badarg = 1; | ||
110 | } else if (!strcmp(*args, "-pass")) { | ||
111 | if (!args[1]) | ||
112 | goto bad; | ||
113 | passarg = *(++args); | ||
114 | } | ||
115 | #ifndef OPENSSL_NO_ENGINE | ||
116 | else if (strcmp(*args, "-engine") == 0) { | ||
117 | if (!args[1]) | ||
118 | goto bad; | ||
119 | e = setup_engine(bio_err, *(++args), 0); | ||
120 | } | ||
121 | #endif | ||
122 | else if (!strcmp(*args, "-paramfile")) { | ||
123 | if (!args[1]) | ||
124 | goto bad; | ||
125 | args++; | ||
126 | if (do_param == 1) | ||
127 | goto bad; | ||
128 | if (!init_keygen_file(bio_err, &ctx, *args, e)) | ||
129 | goto end; | ||
130 | } else if (!strcmp(*args, "-out")) { | ||
131 | if (args[1]) { | ||
132 | args++; | ||
133 | outfile = *args; | ||
134 | } else | ||
135 | badarg = 1; | ||
136 | } else if (strcmp(*args, "-algorithm") == 0) { | ||
137 | if (!args[1]) | ||
138 | goto bad; | ||
139 | if (!init_gen_str(bio_err, &ctx, *(++args), e, do_param)) | ||
140 | goto end; | ||
141 | } else if (strcmp(*args, "-pkeyopt") == 0) { | ||
142 | if (!args[1]) | ||
143 | goto bad; | ||
144 | if (!ctx) { | ||
145 | BIO_puts(bio_err, "No keytype specified\n"); | ||
146 | goto bad; | ||
147 | } else if (pkey_ctrl_string(ctx, *(++args)) <= 0) { | ||
148 | BIO_puts(bio_err, "parameter setting error\n"); | ||
149 | ERR_print_errors(bio_err); | ||
150 | goto end; | ||
151 | } | ||
152 | } else if (strcmp(*args, "-genparam") == 0) { | ||
153 | if (ctx) | ||
154 | goto bad; | ||
155 | do_param = 1; | ||
156 | } else if (strcmp(*args, "-text") == 0) | ||
157 | text = 1; | ||
158 | else { | ||
159 | cipher = EVP_get_cipherbyname(*args + 1); | ||
160 | if (!cipher) { | ||
161 | BIO_printf(bio_err, "Unknown cipher %s\n", | ||
162 | *args + 1); | ||
163 | badarg = 1; | ||
164 | } | ||
165 | if (do_param == 1) | ||
166 | badarg = 1; | ||
167 | } | ||
168 | args++; | ||
169 | } | ||
170 | |||
171 | if (!ctx) | ||
172 | badarg = 1; | ||
173 | |||
174 | if (badarg) { | ||
175 | bad: | ||
176 | BIO_printf(bio_err, "Usage: genpkey [options]\n"); | ||
177 | BIO_printf(bio_err, "where options may be\n"); | ||
178 | BIO_printf(bio_err, "-out file output file\n"); | ||
179 | BIO_printf(bio_err, "-outform X output format (DER or PEM)\n"); | ||
180 | BIO_printf(bio_err, "-pass arg output file pass phrase source\n"); | ||
181 | BIO_printf(bio_err, "-<cipher> use cipher <cipher> to encrypt the key\n"); | ||
182 | #ifndef OPENSSL_NO_ENGINE | ||
183 | BIO_printf(bio_err, "-engine e use engine e, possibly a hardware device.\n"); | ||
184 | #endif | ||
185 | BIO_printf(bio_err, "-paramfile file parameters file\n"); | ||
186 | BIO_printf(bio_err, "-algorithm alg the public key algorithm\n"); | ||
187 | BIO_printf(bio_err, "-pkeyopt opt:value set the public key algorithm option <opt>\n" | ||
188 | " to value <value>\n"); | ||
189 | BIO_printf(bio_err, "-genparam generate parameters, not key\n"); | ||
190 | BIO_printf(bio_err, "-text print the in text\n"); | ||
191 | BIO_printf(bio_err, "NB: options order may be important! See the manual page.\n"); | ||
192 | goto end; | ||
193 | } | ||
194 | if (!app_passwd(bio_err, passarg, NULL, &pass, NULL)) { | ||
195 | BIO_puts(bio_err, "Error getting password\n"); | ||
196 | goto end; | ||
197 | } | ||
198 | if (outfile) { | ||
199 | if (!(out = BIO_new_file(outfile, "wb"))) { | ||
200 | BIO_printf(bio_err, | ||
201 | "Can't open output file %s\n", outfile); | ||
202 | goto end; | ||
203 | } | ||
204 | } else { | ||
205 | out = BIO_new_fp(stdout, BIO_NOCLOSE); | ||
206 | } | ||
207 | |||
208 | EVP_PKEY_CTX_set_cb(ctx, genpkey_cb); | ||
209 | EVP_PKEY_CTX_set_app_data(ctx, bio_err); | ||
210 | |||
211 | if (do_param) { | ||
212 | if (EVP_PKEY_paramgen(ctx, &pkey) <= 0) { | ||
213 | BIO_puts(bio_err, "Error generating parameters\n"); | ||
214 | ERR_print_errors(bio_err); | ||
215 | goto end; | ||
216 | } | ||
217 | } else { | ||
218 | if (EVP_PKEY_keygen(ctx, &pkey) <= 0) { | ||
219 | BIO_puts(bio_err, "Error generating key\n"); | ||
220 | ERR_print_errors(bio_err); | ||
221 | goto end; | ||
222 | } | ||
223 | } | ||
224 | |||
225 | if (do_param) | ||
226 | rv = PEM_write_bio_Parameters(out, pkey); | ||
227 | else if (outformat == FORMAT_PEM) | ||
228 | rv = PEM_write_bio_PrivateKey(out, pkey, cipher, NULL, 0, | ||
229 | NULL, pass); | ||
230 | else if (outformat == FORMAT_ASN1) | ||
231 | rv = i2d_PrivateKey_bio(out, pkey); | ||
232 | else { | ||
233 | BIO_printf(bio_err, "Bad format specified for key\n"); | ||
234 | goto end; | ||
235 | } | ||
236 | |||
237 | if (rv <= 0) { | ||
238 | BIO_puts(bio_err, "Error writing key\n"); | ||
239 | ERR_print_errors(bio_err); | ||
240 | } | ||
241 | if (text) { | ||
242 | if (do_param) | ||
243 | rv = EVP_PKEY_print_params(out, pkey, 0, NULL); | ||
244 | else | ||
245 | rv = EVP_PKEY_print_private(out, pkey, 0, NULL); | ||
246 | |||
247 | if (rv <= 0) { | ||
248 | BIO_puts(bio_err, "Error printing key\n"); | ||
249 | ERR_print_errors(bio_err); | ||
250 | } | ||
251 | } | ||
252 | ret = 0; | ||
253 | |||
254 | end: | ||
255 | if (pkey) | ||
256 | EVP_PKEY_free(pkey); | ||
257 | if (ctx) | ||
258 | EVP_PKEY_CTX_free(ctx); | ||
259 | if (out) | ||
260 | BIO_free_all(out); | ||
261 | BIO_free(in); | ||
262 | free(pass); | ||
263 | |||
264 | return ret; | ||
265 | } | ||
266 | |||
267 | static int | ||
268 | init_keygen_file(BIO * err, EVP_PKEY_CTX ** pctx, | ||
269 | const char *file, ENGINE * e) | ||
270 | { | ||
271 | BIO *pbio; | ||
272 | EVP_PKEY *pkey = NULL; | ||
273 | EVP_PKEY_CTX *ctx = NULL; | ||
274 | if (*pctx) { | ||
275 | BIO_puts(err, "Parameters already set!\n"); | ||
276 | return 0; | ||
277 | } | ||
278 | pbio = BIO_new_file(file, "r"); | ||
279 | if (!pbio) { | ||
280 | BIO_printf(err, "Can't open parameter file %s\n", file); | ||
281 | return 0; | ||
282 | } | ||
283 | pkey = PEM_read_bio_Parameters(pbio, NULL); | ||
284 | BIO_free(pbio); | ||
285 | |||
286 | if (!pkey) { | ||
287 | BIO_printf(bio_err, "Error reading parameter file %s\n", file); | ||
288 | return 0; | ||
289 | } | ||
290 | ctx = EVP_PKEY_CTX_new(pkey, e); | ||
291 | if (!ctx) | ||
292 | goto err; | ||
293 | if (EVP_PKEY_keygen_init(ctx) <= 0) | ||
294 | goto err; | ||
295 | EVP_PKEY_free(pkey); | ||
296 | *pctx = ctx; | ||
297 | return 1; | ||
298 | |||
299 | err: | ||
300 | BIO_puts(err, "Error initializing context\n"); | ||
301 | ERR_print_errors(err); | ||
302 | if (ctx) | ||
303 | EVP_PKEY_CTX_free(ctx); | ||
304 | if (pkey) | ||
305 | EVP_PKEY_free(pkey); | ||
306 | return 0; | ||
307 | |||
308 | } | ||
309 | |||
310 | int | ||
311 | init_gen_str(BIO * err, EVP_PKEY_CTX ** pctx, | ||
312 | const char *algname, ENGINE * e, int do_param) | ||
313 | { | ||
314 | EVP_PKEY_CTX *ctx = NULL; | ||
315 | const EVP_PKEY_ASN1_METHOD *ameth; | ||
316 | ENGINE *tmpeng = NULL; | ||
317 | int pkey_id; | ||
318 | |||
319 | if (*pctx) { | ||
320 | BIO_puts(err, "Algorithm already set!\n"); | ||
321 | return 0; | ||
322 | } | ||
323 | ameth = EVP_PKEY_asn1_find_str(&tmpeng, algname, -1); | ||
324 | |||
325 | #ifndef OPENSSL_NO_ENGINE | ||
326 | if (!ameth && e) | ||
327 | ameth = ENGINE_get_pkey_asn1_meth_str(e, algname, -1); | ||
328 | #endif | ||
329 | |||
330 | if (!ameth) { | ||
331 | BIO_printf(bio_err, "Algorithm %s not found\n", algname); | ||
332 | return 0; | ||
333 | } | ||
334 | ERR_clear_error(); | ||
335 | |||
336 | EVP_PKEY_asn1_get0_info(&pkey_id, NULL, NULL, NULL, NULL, ameth); | ||
337 | #ifndef OPENSSL_NO_ENGINE | ||
338 | if (tmpeng) | ||
339 | ENGINE_finish(tmpeng); | ||
340 | #endif | ||
341 | ctx = EVP_PKEY_CTX_new_id(pkey_id, e); | ||
342 | |||
343 | if (!ctx) | ||
344 | goto err; | ||
345 | if (do_param) { | ||
346 | if (EVP_PKEY_paramgen_init(ctx) <= 0) | ||
347 | goto err; | ||
348 | } else { | ||
349 | if (EVP_PKEY_keygen_init(ctx) <= 0) | ||
350 | goto err; | ||
351 | } | ||
352 | |||
353 | *pctx = ctx; | ||
354 | return 1; | ||
355 | |||
356 | err: | ||
357 | BIO_printf(err, "Error initializing %s context\n", algname); | ||
358 | ERR_print_errors(err); | ||
359 | if (ctx) | ||
360 | EVP_PKEY_CTX_free(ctx); | ||
361 | return 0; | ||
362 | |||
363 | } | ||
364 | |||
365 | static int | ||
366 | genpkey_cb(EVP_PKEY_CTX * ctx) | ||
367 | { | ||
368 | char c = '*'; | ||
369 | BIO *b = EVP_PKEY_CTX_get_app_data(ctx); | ||
370 | int p; | ||
371 | p = EVP_PKEY_CTX_get_keygen_info(ctx, 0); | ||
372 | if (p == 0) | ||
373 | c = '.'; | ||
374 | if (p == 1) | ||
375 | c = '+'; | ||
376 | if (p == 2) | ||
377 | c = '*'; | ||
378 | if (p == 3) | ||
379 | c = '\n'; | ||
380 | BIO_write(b, &c, 1); | ||
381 | (void) BIO_flush(b); | ||
382 | return 1; | ||
383 | } | ||