source: EcnlProtoTool/trunk/openssl-1.1.0e/apps/rsa.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: 9.3 KB
Line 
1/*
2 * Copyright 1995-2016 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 <openssl/opensslconf.h>
11#ifdef OPENSSL_NO_RSA
12NON_EMPTY_TRANSLATION_UNIT
13#else
14
15# include <stdio.h>
16# include <stdlib.h>
17# include <string.h>
18# include <time.h>
19# include "apps.h"
20# include <openssl/bio.h>
21# include <openssl/err.h>
22# include <openssl/rsa.h>
23# include <openssl/evp.h>
24# include <openssl/x509.h>
25# include <openssl/pem.h>
26# include <openssl/bn.h>
27
28typedef enum OPTION_choice {
29 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
30 OPT_INFORM, OPT_OUTFORM, OPT_ENGINE, OPT_IN, OPT_OUT,
31 OPT_PUBIN, OPT_PUBOUT, OPT_PASSOUT, OPT_PASSIN,
32 OPT_RSAPUBKEY_IN, OPT_RSAPUBKEY_OUT,
33 /* Do not change the order here; see case statements below */
34 OPT_PVK_NONE, OPT_PVK_WEAK, OPT_PVK_STRONG,
35 OPT_NOOUT, OPT_TEXT, OPT_MODULUS, OPT_CHECK, OPT_CIPHER
36} OPTION_CHOICE;
37
38OPTIONS rsa_options[] = {
39 {"help", OPT_HELP, '-', "Display this summary"},
40 {"inform", OPT_INFORM, 'f', "Input format, one of DER NET PEM"},
41 {"outform", OPT_OUTFORM, 'f', "Output format, one of DER NET PEM PVK"},
42 {"in", OPT_IN, 's', "Input file"},
43 {"out", OPT_OUT, '>', "Output file"},
44 {"pubin", OPT_PUBIN, '-', "Expect a public key in input file"},
45 {"pubout", OPT_PUBOUT, '-', "Output a public key"},
46 {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
47 {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
48 {"RSAPublicKey_in", OPT_RSAPUBKEY_IN, '-', "Input is an RSAPublicKey"},
49 {"RSAPublicKey_out", OPT_RSAPUBKEY_OUT, '-', "Output is an RSAPublicKey"},
50 {"noout", OPT_NOOUT, '-', "Don't print key out"},
51 {"text", OPT_TEXT, '-', "Print the key in text"},
52 {"modulus", OPT_MODULUS, '-', "Print the RSA key modulus"},
53 {"check", OPT_CHECK, '-', "Verify key consistency"},
54 {"", OPT_CIPHER, '-', "Any supported cipher"},
55# if !defined(OPENSSL_NO_DSA) && !defined(OPENSSL_NO_RC4)
56 {"pvk-strong", OPT_PVK_STRONG, '-', "Enable 'Strong' PVK encoding level (default)"},
57 {"pvk-weak", OPT_PVK_WEAK, '-', "Enable 'Weak' PVK encoding level"},
58 {"pvk-none", OPT_PVK_NONE, '-', "Don't enforce PVK encoding"},
59# endif
60# ifndef OPENSSL_NO_ENGINE
61 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
62# endif
63 {NULL}
64};
65
66int rsa_main(int argc, char **argv)
67{
68 ENGINE *e = NULL;
69 BIO *out = NULL;
70 RSA *rsa = NULL;
71 const EVP_CIPHER *enc = NULL;
72 char *infile = NULL, *outfile = NULL, *prog;
73 char *passin = NULL, *passout = NULL, *passinarg = NULL, *passoutarg = NULL;
74 int i, private = 0;
75 int informat = FORMAT_PEM, outformat = FORMAT_PEM, text = 0, check = 0;
76 int noout = 0, modulus = 0, pubin = 0, pubout = 0, ret = 1;
77# if !defined(OPENSSL_NO_DSA) && !defined(OPENSSL_NO_RC4)
78 int pvk_encr = 2;
79# endif
80 OPTION_CHOICE o;
81
82 prog = opt_init(argc, argv, rsa_options);
83 while ((o = opt_next()) != OPT_EOF) {
84 switch (o) {
85 case OPT_EOF:
86 case OPT_ERR:
87 opthelp:
88 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
89 goto end;
90 case OPT_HELP:
91 opt_help(rsa_options);
92 ret = 0;
93 goto end;
94 case OPT_INFORM:
95 if (!opt_format(opt_arg(), OPT_FMT_ANY, &informat))
96 goto opthelp;
97 break;
98 case OPT_IN:
99 infile = opt_arg();
100 break;
101 case OPT_OUTFORM:
102 if (!opt_format(opt_arg(), OPT_FMT_ANY, &outformat))
103 goto opthelp;
104 break;
105 case OPT_OUT:
106 outfile = opt_arg();
107 break;
108 case OPT_PASSIN:
109 passinarg = opt_arg();
110 break;
111 case OPT_PASSOUT:
112 passoutarg = opt_arg();
113 break;
114 case OPT_ENGINE:
115 e = setup_engine(opt_arg(), 0);
116 break;
117 case OPT_PUBIN:
118 pubin = 1;
119 break;
120 case OPT_PUBOUT:
121 pubout = 1;
122 break;
123 case OPT_RSAPUBKEY_IN:
124 pubin = 2;
125 break;
126 case OPT_RSAPUBKEY_OUT:
127 pubout = 2;
128 break;
129 case OPT_PVK_STRONG: /* pvk_encr:= 2 */
130 case OPT_PVK_WEAK: /* pvk_encr:= 1 */
131 case OPT_PVK_NONE: /* pvk_encr:= 0 */
132# if !defined(OPENSSL_NO_DSA) && !defined(OPENSSL_NO_RC4)
133 pvk_encr = (o - OPT_PVK_NONE);
134# endif
135 break;
136 case OPT_NOOUT:
137 noout = 1;
138 break;
139 case OPT_TEXT:
140 text = 1;
141 break;
142 case OPT_MODULUS:
143 modulus = 1;
144 break;
145 case OPT_CHECK:
146 check = 1;
147 break;
148 case OPT_CIPHER:
149 if (!opt_cipher(opt_unknown(), &enc))
150 goto opthelp;
151 break;
152 }
153 }
154 argc = opt_num_rest();
155 if (argc != 0)
156 goto opthelp;
157
158 private = (text && !pubin) || (!pubout && !noout) ? 1 : 0;
159
160 if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
161 BIO_printf(bio_err, "Error getting passwords\n");
162 goto end;
163 }
164 if (check && pubin) {
165 BIO_printf(bio_err, "Only private keys can be checked\n");
166 goto end;
167 }
168
169 {
170 EVP_PKEY *pkey;
171
172 if (pubin) {
173 int tmpformat = -1;
174 if (pubin == 2) {
175 if (informat == FORMAT_PEM)
176 tmpformat = FORMAT_PEMRSA;
177 else if (informat == FORMAT_ASN1)
178 tmpformat = FORMAT_ASN1RSA;
179 } else
180 tmpformat = informat;
181
182 pkey = load_pubkey(infile, tmpformat, 1, passin, e, "Public Key");
183 } else
184 pkey = load_key(infile, informat, 1, passin, e, "Private Key");
185
186 if (pkey != NULL)
187 rsa = EVP_PKEY_get1_RSA(pkey);
188 EVP_PKEY_free(pkey);
189 }
190
191 if (rsa == NULL) {
192 ERR_print_errors(bio_err);
193 goto end;
194 }
195
196 out = bio_open_owner(outfile, outformat, private);
197 if (out == NULL)
198 goto end;
199
200 if (text) {
201 assert(pubin || private);
202 if (!RSA_print(out, rsa, 0)) {
203 perror(outfile);
204 ERR_print_errors(bio_err);
205 goto end;
206 }
207 }
208
209 if (modulus) {
210 const BIGNUM *n;
211 RSA_get0_key(rsa, &n, NULL, NULL);
212 BIO_printf(out, "Modulus=");
213 BN_print(out, n);
214 BIO_printf(out, "\n");
215 }
216
217 if (check) {
218 int r = RSA_check_key(rsa);
219
220 if (r == 1)
221 BIO_printf(out, "RSA key ok\n");
222 else if (r == 0) {
223 unsigned long err;
224
225 while ((err = ERR_peek_error()) != 0 &&
226 ERR_GET_LIB(err) == ERR_LIB_RSA &&
227 ERR_GET_FUNC(err) == RSA_F_RSA_CHECK_KEY &&
228 ERR_GET_REASON(err) != ERR_R_MALLOC_FAILURE) {
229 BIO_printf(out, "RSA key error: %s\n",
230 ERR_reason_error_string(err));
231 ERR_get_error(); /* remove e from error stack */
232 }
233 } else if (r == -1) {
234 ERR_print_errors(bio_err);
235 goto end;
236 }
237 }
238
239 if (noout) {
240 ret = 0;
241 goto end;
242 }
243 BIO_printf(bio_err, "writing RSA key\n");
244 if (outformat == FORMAT_ASN1) {
245 if (pubout || pubin) {
246 if (pubout == 2)
247 i = i2d_RSAPublicKey_bio(out, rsa);
248 else
249 i = i2d_RSA_PUBKEY_bio(out, rsa);
250 } else {
251 assert(private);
252 i = i2d_RSAPrivateKey_bio(out, rsa);
253 }
254 }
255 else if (outformat == FORMAT_PEM) {
256 if (pubout || pubin) {
257 if (pubout == 2)
258 i = PEM_write_bio_RSAPublicKey(out, rsa);
259 else
260 i = PEM_write_bio_RSA_PUBKEY(out, rsa);
261 } else {
262 assert(private);
263 i = PEM_write_bio_RSAPrivateKey(out, rsa,
264 enc, NULL, 0, NULL, passout);
265 }
266# ifndef OPENSSL_NO_DSA
267 } else if (outformat == FORMAT_MSBLOB || outformat == FORMAT_PVK) {
268 EVP_PKEY *pk;
269 pk = EVP_PKEY_new();
270 EVP_PKEY_set1_RSA(pk, rsa);
271 if (outformat == FORMAT_PVK) {
272 if (pubin) {
273 BIO_printf(bio_err, "PVK form impossible with public key input\n");
274 EVP_PKEY_free(pk);
275 goto end;
276 }
277 assert(private);
278# ifdef OPENSSL_NO_RC4
279 BIO_printf(bio_err, "PVK format not supported\n");
280 EVP_PKEY_free(pk);
281 goto end;
282# else
283 i = i2b_PVK_bio(out, pk, pvk_encr, 0, passout);
284# endif
285 } else if (pubin || pubout) {
286 i = i2b_PublicKey_bio(out, pk);
287 } else {
288 assert(private);
289 i = i2b_PrivateKey_bio(out, pk);
290 }
291 EVP_PKEY_free(pk);
292# endif
293 } else {
294 BIO_printf(bio_err, "bad output format specified for outfile\n");
295 goto end;
296 }
297 if (i <= 0) {
298 BIO_printf(bio_err, "unable to write key\n");
299 ERR_print_errors(bio_err);
300 } else
301 ret = 0;
302 end:
303 release_engine(e);
304 BIO_free_all(out);
305 RSA_free(rsa);
306 OPENSSL_free(passin);
307 OPENSSL_free(passout);
308 return (ret);
309}
310#endif
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