source: EcnlProtoTool/trunk/openssl-1.1.0e/apps/dsa.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: 7.5 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_DSA
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/dsa.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_IN, OPT_OUT, OPT_ENGINE,
31 /* Do not change the order here; see case statements below */
32 OPT_PVK_NONE, OPT_PVK_WEAK, OPT_PVK_STRONG,
33 OPT_NOOUT, OPT_TEXT, OPT_MODULUS, OPT_PUBIN,
34 OPT_PUBOUT, OPT_CIPHER, OPT_PASSIN, OPT_PASSOUT
35} OPTION_CHOICE;
36
37OPTIONS dsa_options[] = {
38 {"help", OPT_HELP, '-', "Display this summary"},
39 {"inform", OPT_INFORM, 'f', "Input format, DER PEM PVK"},
40 {"outform", OPT_OUTFORM, 'f', "Output format, DER PEM PVK"},
41 {"in", OPT_IN, 's', "Input key"},
42 {"out", OPT_OUT, '>', "Output file"},
43 {"noout", OPT_NOOUT, '-', "Don't print key out"},
44 {"text", OPT_TEXT, '-', "Print the key in text"},
45 {"modulus", OPT_MODULUS, '-', "Print the DSA public value"},
46 {"pubin", OPT_PUBIN, '-', "Expect a public key in input file"},
47 {"pubout", OPT_PUBOUT, '-', "Output public key, not private"},
48 {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
49 {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
50 {"", OPT_CIPHER, '-', "Any supported cipher"},
51# ifndef OPENSSL_NO_RC4
52 {"pvk-strong", OPT_PVK_STRONG, '-', "Enable 'Strong' PVK encoding level (default)"},
53 {"pvk-weak", OPT_PVK_WEAK, '-', "Enable 'Weak' PVK encoding level"},
54 {"pvk-none", OPT_PVK_NONE, '-', "Don't enforce PVK encoding"},
55# endif
56# ifndef OPENSSL_NO_ENGINE
57 {"engine", OPT_ENGINE, 's', "Use engine e, possibly a hardware device"},
58# endif
59 {NULL}
60};
61
62int dsa_main(int argc, char **argv)
63{
64 BIO *out = NULL;
65 DSA *dsa = NULL;
66 ENGINE *e = NULL;
67 const EVP_CIPHER *enc = NULL;
68 char *infile = NULL, *outfile = NULL, *prog;
69 char *passin = NULL, *passout = NULL, *passinarg = NULL, *passoutarg = NULL;
70 OPTION_CHOICE o;
71 int informat = FORMAT_PEM, outformat = FORMAT_PEM, text = 0, noout = 0;
72 int i, modulus = 0, pubin = 0, pubout = 0, ret = 1;
73# ifndef OPENSSL_NO_RC4
74 int pvk_encr = 2;
75# endif
76 int private = 0;
77
78 prog = opt_init(argc, argv, dsa_options);
79 while ((o = opt_next()) != OPT_EOF) {
80 switch (o) {
81 case OPT_EOF:
82 case OPT_ERR:
83 opthelp:
84 ret = 0;
85 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
86 goto end;
87 case OPT_HELP:
88 opt_help(dsa_options);
89 ret = 0;
90 goto end;
91 case OPT_INFORM:
92 if (!opt_format(opt_arg(), OPT_FMT_ANY, &informat))
93 goto opthelp;
94 break;
95 case OPT_IN:
96 infile = opt_arg();
97 break;
98 case OPT_OUTFORM:
99 if (!opt_format(opt_arg(), OPT_FMT_ANY, &outformat))
100 goto opthelp;
101 break;
102 case OPT_OUT:
103 outfile = opt_arg();
104 break;
105 case OPT_ENGINE:
106 e = setup_engine(opt_arg(), 0);
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_PVK_STRONG: /* pvk_encr:= 2 */
115 case OPT_PVK_WEAK: /* pvk_encr:= 1 */
116 case OPT_PVK_NONE: /* pvk_encr:= 0 */
117#ifndef OPENSSL_NO_RC4
118 pvk_encr = (o - OPT_PVK_NONE);
119#endif
120 break;
121 case OPT_NOOUT:
122 noout = 1;
123 break;
124 case OPT_TEXT:
125 text = 1;
126 break;
127 case OPT_MODULUS:
128 modulus = 1;
129 break;
130 case OPT_PUBIN:
131 pubin = 1;
132 break;
133 case OPT_PUBOUT:
134 pubout = 1;
135 break;
136 case OPT_CIPHER:
137 if (!opt_cipher(opt_unknown(), &enc))
138 goto end;
139 break;
140 }
141 }
142 argc = opt_num_rest();
143 if (argc != 0)
144 goto opthelp;
145
146 private = pubin || pubout ? 0 : 1;
147 if (text && !pubin)
148 private = 1;
149
150 if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
151 BIO_printf(bio_err, "Error getting passwords\n");
152 goto end;
153 }
154
155 BIO_printf(bio_err, "read DSA key\n");
156 {
157 EVP_PKEY *pkey;
158
159 if (pubin)
160 pkey = load_pubkey(infile, informat, 1, passin, e, "Public Key");
161 else
162 pkey = load_key(infile, informat, 1, passin, e, "Private Key");
163
164 if (pkey) {
165 dsa = EVP_PKEY_get1_DSA(pkey);
166 EVP_PKEY_free(pkey);
167 }
168 }
169 if (dsa == NULL) {
170 BIO_printf(bio_err, "unable to load Key\n");
171 ERR_print_errors(bio_err);
172 goto end;
173 }
174
175 out = bio_open_owner(outfile, outformat, private);
176 if (out == NULL)
177 goto end;
178
179 if (text) {
180 assert(pubin || private);
181 if (!DSA_print(out, dsa, 0)) {
182 perror(outfile);
183 ERR_print_errors(bio_err);
184 goto end;
185 }
186 }
187
188 if (modulus) {
189 const BIGNUM *pub_key = NULL;
190 DSA_get0_key(dsa, &pub_key, NULL);
191 BIO_printf(out, "Public Key=");
192 BN_print(out, pub_key);
193 BIO_printf(out, "\n");
194 }
195
196 if (noout) {
197 ret = 0;
198 goto end;
199 }
200 BIO_printf(bio_err, "writing DSA key\n");
201 if (outformat == FORMAT_ASN1) {
202 if (pubin || pubout)
203 i = i2d_DSA_PUBKEY_bio(out, dsa);
204 else {
205 assert(private);
206 i = i2d_DSAPrivateKey_bio(out, dsa);
207 }
208 } else if (outformat == FORMAT_PEM) {
209 if (pubin || pubout)
210 i = PEM_write_bio_DSA_PUBKEY(out, dsa);
211 else {
212 assert(private);
213 i = PEM_write_bio_DSAPrivateKey(out, dsa, enc,
214 NULL, 0, NULL, passout);
215 }
216# ifndef OPENSSL_NO_RSA
217 } else if (outformat == FORMAT_MSBLOB || outformat == FORMAT_PVK) {
218 EVP_PKEY *pk;
219 pk = EVP_PKEY_new();
220 EVP_PKEY_set1_DSA(pk, dsa);
221 if (outformat == FORMAT_PVK) {
222 if (pubin) {
223 BIO_printf(bio_err, "PVK form impossible with public key input\n");
224 EVP_PKEY_free(pk);
225 goto end;
226 }
227 assert(private);
228# ifdef OPENSSL_NO_RC4
229 BIO_printf(bio_err, "PVK format not supported\n");
230 EVP_PKEY_free(pk);
231 goto end;
232# else
233 i = i2b_PVK_bio(out, pk, pvk_encr, 0, passout);
234# endif
235 }
236 else if (pubin || pubout)
237 i = i2b_PublicKey_bio(out, pk);
238 else {
239 assert(private);
240 i = i2b_PrivateKey_bio(out, pk);
241 }
242 EVP_PKEY_free(pk);
243# endif
244 } else {
245 BIO_printf(bio_err, "bad output format specified for outfile\n");
246 goto end;
247 }
248 if (i <= 0) {
249 BIO_printf(bio_err, "unable to write private key\n");
250 ERR_print_errors(bio_err);
251 goto end;
252 }
253 ret = 0;
254 end:
255 BIO_free_all(out);
256 DSA_free(dsa);
257 release_engine(e);
258 OPENSSL_free(passin);
259 OPENSSL_free(passout);
260 return (ret);
261}
262#endif
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