source: EcnlProtoTool/trunk/openssl-1.1.0e/apps/genpkey.c@ 331

Last change on this file since 331 was 331, checked in by coas-nagasima, 6 years ago

prototoolに関連するプロジェクトをnewlibからmuslを使うよう変更・更新
ntshellをnewlibの下位の実装から、muslのsyscallの実装に変更・更新
以下のOSSをアップデート
・mruby-1.3.0
・musl-1.1.18
・onigmo-6.1.3
・tcc-0.9.27
以下のOSSを追加
・openssl-1.1.0e
・curl-7.57.0
・zlib-1.2.11
以下のmrbgemsを追加
・iij/mruby-digest
・iij/mruby-env
・iij/mruby-errno
・iij/mruby-iijson
・iij/mruby-ipaddr
・iij/mruby-mock
・iij/mruby-require
・iij/mruby-tls-openssl
  • Property svn:eol-style set to native
  • Property svn:mime-type set to text/x-csrc
File size: 8.2 KB
Line 
1/*
2 * Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10#include <stdio.h>
11#include <string.h>
12#include "apps.h"
13#include <openssl/pem.h>
14#include <openssl/err.h>
15#include <openssl/evp.h>
16#ifndef OPENSSL_NO_ENGINE
17# include <openssl/engine.h>
18#endif
19
20static int init_keygen_file(EVP_PKEY_CTX **pctx, const char *file, ENGINE *e);
21static int genpkey_cb(EVP_PKEY_CTX *ctx);
22
23typedef enum OPTION_choice {
24 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
25 OPT_ENGINE, OPT_OUTFORM, OPT_OUT, OPT_PASS, OPT_PARAMFILE,
26 OPT_ALGORITHM, OPT_PKEYOPT, OPT_GENPARAM, OPT_TEXT, OPT_CIPHER
27} OPTION_CHOICE;
28
29OPTIONS genpkey_options[] = {
30 {"help", OPT_HELP, '-', "Display this summary"},
31 {"out", OPT_OUT, '>', "Output file"},
32 {"outform", OPT_OUTFORM, 'F', "output format (DER or PEM)"},
33 {"pass", OPT_PASS, 's', "Output file pass phrase source"},
34 {"paramfile", OPT_PARAMFILE, '<', "Parameters file"},
35 {"algorithm", OPT_ALGORITHM, 's', "The public key algorithm"},
36 {"pkeyopt", OPT_PKEYOPT, 's',
37 "Set the public key algorithm option as opt:value"},
38 {"genparam", OPT_GENPARAM, '-', "Generate parameters, not key"},
39 {"text", OPT_TEXT, '-', "Print the in text"},
40 {"", OPT_CIPHER, '-', "Cipher to use to encrypt the key"},
41#ifndef OPENSSL_NO_ENGINE
42 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
43#endif
44 /* This is deliberately last. */
45 {OPT_HELP_STR, 1, 1,
46 "Order of options may be important! See the documentation.\n"},
47 {NULL}
48};
49
50int genpkey_main(int argc, char **argv)
51{
52 BIO *in = NULL, *out = NULL;
53 ENGINE *e = NULL;
54 EVP_PKEY *pkey = NULL;
55 EVP_PKEY_CTX *ctx = NULL;
56 char *outfile = NULL, *passarg = NULL, *pass = NULL, *prog;
57 const EVP_CIPHER *cipher = NULL;
58 OPTION_CHOICE o;
59 int outformat = FORMAT_PEM, text = 0, ret = 1, rv, do_param = 0;
60 int private = 0;
61
62 prog = opt_init(argc, argv, genpkey_options);
63 while ((o = opt_next()) != OPT_EOF) {
64 switch (o) {
65 case OPT_EOF:
66 case OPT_ERR:
67 opthelp:
68 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
69 goto end;
70 case OPT_HELP:
71 ret = 0;
72 opt_help(genpkey_options);
73 goto end;
74 case OPT_OUTFORM:
75 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
76 goto opthelp;
77 break;
78 case OPT_OUT:
79 outfile = opt_arg();
80 break;
81 case OPT_PASS:
82 passarg = opt_arg();
83 break;
84 case OPT_ENGINE:
85 e = setup_engine(opt_arg(), 0);
86 break;
87 case OPT_PARAMFILE:
88 if (do_param == 1)
89 goto opthelp;
90 if (!init_keygen_file(&ctx, opt_arg(), e))
91 goto end;
92 break;
93 case OPT_ALGORITHM:
94 if (!init_gen_str(&ctx, opt_arg(), e, do_param))
95 goto end;
96 break;
97 case OPT_PKEYOPT:
98 if (ctx == NULL) {
99 BIO_printf(bio_err, "%s: No keytype specified.\n", prog);
100 goto opthelp;
101 }
102 if (pkey_ctrl_string(ctx, opt_arg()) <= 0) {
103 BIO_printf(bio_err,
104 "%s: Error setting %s parameter:\n",
105 prog, opt_arg());
106 ERR_print_errors(bio_err);
107 goto end;
108 }
109 break;
110 case OPT_GENPARAM:
111 if (ctx != NULL)
112 goto opthelp;
113 do_param = 1;
114 break;
115 case OPT_TEXT:
116 text = 1;
117 break;
118 case OPT_CIPHER:
119 if (!opt_cipher(opt_unknown(), &cipher)
120 || do_param == 1)
121 goto opthelp;
122 }
123 }
124 argc = opt_num_rest();
125 if (argc != 0)
126 goto opthelp;
127
128 private = do_param ? 0 : 1;
129
130 if (ctx == NULL)
131 goto opthelp;
132
133 if (!app_passwd(passarg, NULL, &pass, NULL)) {
134 BIO_puts(bio_err, "Error getting password\n");
135 goto end;
136 }
137
138 out = bio_open_owner(outfile, outformat, private);
139 if (out == NULL)
140 goto end;
141
142 EVP_PKEY_CTX_set_cb(ctx, genpkey_cb);
143 EVP_PKEY_CTX_set_app_data(ctx, bio_err);
144
145 if (do_param) {
146 if (EVP_PKEY_paramgen(ctx, &pkey) <= 0) {
147 BIO_puts(bio_err, "Error generating parameters\n");
148 ERR_print_errors(bio_err);
149 goto end;
150 }
151 } else {
152 if (EVP_PKEY_keygen(ctx, &pkey) <= 0) {
153 BIO_puts(bio_err, "Error generating key\n");
154 ERR_print_errors(bio_err);
155 goto end;
156 }
157 }
158
159 if (do_param)
160 rv = PEM_write_bio_Parameters(out, pkey);
161 else if (outformat == FORMAT_PEM) {
162 assert(private);
163 rv = PEM_write_bio_PrivateKey(out, pkey, cipher, NULL, 0, NULL, pass);
164 } else if (outformat == FORMAT_ASN1) {
165 assert(private);
166 rv = i2d_PrivateKey_bio(out, pkey);
167 } else {
168 BIO_printf(bio_err, "Bad format specified for key\n");
169 goto end;
170 }
171
172 if (rv <= 0) {
173 BIO_puts(bio_err, "Error writing key\n");
174 ERR_print_errors(bio_err);
175 }
176
177 if (text) {
178 if (do_param)
179 rv = EVP_PKEY_print_params(out, pkey, 0, NULL);
180 else
181 rv = EVP_PKEY_print_private(out, pkey, 0, NULL);
182
183 if (rv <= 0) {
184 BIO_puts(bio_err, "Error printing key\n");
185 ERR_print_errors(bio_err);
186 }
187 }
188
189 ret = 0;
190
191 end:
192 EVP_PKEY_free(pkey);
193 EVP_PKEY_CTX_free(ctx);
194 BIO_free_all(out);
195 BIO_free(in);
196 release_engine(e);
197 OPENSSL_free(pass);
198 return ret;
199}
200
201static int init_keygen_file(EVP_PKEY_CTX **pctx, const char *file, ENGINE *e)
202{
203 BIO *pbio;
204 EVP_PKEY *pkey = NULL;
205 EVP_PKEY_CTX *ctx = NULL;
206 if (*pctx) {
207 BIO_puts(bio_err, "Parameters already set!\n");
208 return 0;
209 }
210
211 pbio = BIO_new_file(file, "r");
212 if (!pbio) {
213 BIO_printf(bio_err, "Can't open parameter file %s\n", file);
214 return 0;
215 }
216
217 pkey = PEM_read_bio_Parameters(pbio, NULL);
218 BIO_free(pbio);
219
220 if (!pkey) {
221 BIO_printf(bio_err, "Error reading parameter file %s\n", file);
222 return 0;
223 }
224
225 ctx = EVP_PKEY_CTX_new(pkey, e);
226 if (ctx == NULL)
227 goto err;
228 if (EVP_PKEY_keygen_init(ctx) <= 0)
229 goto err;
230 EVP_PKEY_free(pkey);
231 *pctx = ctx;
232 return 1;
233
234 err:
235 BIO_puts(bio_err, "Error initializing context\n");
236 ERR_print_errors(bio_err);
237 EVP_PKEY_CTX_free(ctx);
238 EVP_PKEY_free(pkey);
239 return 0;
240
241}
242
243int init_gen_str(EVP_PKEY_CTX **pctx,
244 const char *algname, ENGINE *e, int do_param)
245{
246 EVP_PKEY_CTX *ctx = NULL;
247 const EVP_PKEY_ASN1_METHOD *ameth;
248 ENGINE *tmpeng = NULL;
249 int pkey_id;
250
251 if (*pctx) {
252 BIO_puts(bio_err, "Algorithm already set!\n");
253 return 0;
254 }
255
256 ameth = EVP_PKEY_asn1_find_str(&tmpeng, algname, -1);
257
258#ifndef OPENSSL_NO_ENGINE
259 if (!ameth && e)
260 ameth = ENGINE_get_pkey_asn1_meth_str(e, algname, -1);
261#endif
262
263 if (!ameth) {
264 BIO_printf(bio_err, "Algorithm %s not found\n", algname);
265 return 0;
266 }
267
268 ERR_clear_error();
269
270 EVP_PKEY_asn1_get0_info(&pkey_id, NULL, NULL, NULL, NULL, ameth);
271#ifndef OPENSSL_NO_ENGINE
272 ENGINE_finish(tmpeng);
273#endif
274 ctx = EVP_PKEY_CTX_new_id(pkey_id, e);
275
276 if (!ctx)
277 goto err;
278 if (do_param) {
279 if (EVP_PKEY_paramgen_init(ctx) <= 0)
280 goto err;
281 } else {
282 if (EVP_PKEY_keygen_init(ctx) <= 0)
283 goto err;
284 }
285
286 *pctx = ctx;
287 return 1;
288
289 err:
290 BIO_printf(bio_err, "Error initializing %s context\n", algname);
291 ERR_print_errors(bio_err);
292 EVP_PKEY_CTX_free(ctx);
293 return 0;
294
295}
296
297static int genpkey_cb(EVP_PKEY_CTX *ctx)
298{
299 char c = '*';
300 BIO *b = EVP_PKEY_CTX_get_app_data(ctx);
301 int p;
302 p = EVP_PKEY_CTX_get_keygen_info(ctx, 0);
303 if (p == 0)
304 c = '.';
305 if (p == 1)
306 c = '+';
307 if (p == 2)
308 c = '*';
309 if (p == 3)
310 c = '\n';
311 BIO_write(b, &c, 1);
312 (void)BIO_flush(b);
313 return 1;
314}
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