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58964a49 | 1 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
2 | * All rights reserved. |
3 | * | |
4 | * This package is an SSL implementation written | |
5 | * by Eric Young (eay@cryptsoft.com). | |
6 | * The implementation was written so as to conform with Netscapes SSL. | |
0f113f3e | 7 | * |
d02b48c6 RE |
8 | * This library is free for commercial and non-commercial use as long as |
9 | * the following conditions are aheared to. The following conditions | |
10 | * apply to all code found in this distribution, be it the RC4, RSA, | |
11 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
12 | * included with this distribution is covered by the same copyright terms | |
13 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
0f113f3e | 14 | * |
d02b48c6 RE |
15 | * Copyright remains Eric Young's, and as such any Copyright notices in |
16 | * the code are not to be removed. | |
17 | * If this package is used in a product, Eric Young should be given attribution | |
18 | * as the author of the parts of the library used. | |
19 | * This can be in the form of a textual message at program startup or | |
20 | * in documentation (online or textual) provided with the package. | |
0f113f3e | 21 | * |
d02b48c6 RE |
22 | * Redistribution and use in source and binary forms, with or without |
23 | * modification, are permitted provided that the following conditions | |
24 | * are met: | |
25 | * 1. Redistributions of source code must retain the copyright | |
26 | * notice, this list of conditions and the following disclaimer. | |
27 | * 2. Redistributions in binary form must reproduce the above copyright | |
28 | * notice, this list of conditions and the following disclaimer in the | |
29 | * documentation and/or other materials provided with the distribution. | |
30 | * 3. All advertising materials mentioning features or use of this software | |
31 | * must display the following acknowledgement: | |
32 | * "This product includes cryptographic software written by | |
33 | * Eric Young (eay@cryptsoft.com)" | |
34 | * The word 'cryptographic' can be left out if the rouines from the library | |
35 | * being used are not cryptographic related :-). | |
0f113f3e | 36 | * 4. If you include any Windows specific code (or a derivative thereof) from |
d02b48c6 RE |
37 | * the apps directory (application code) you must include an acknowledgement: |
38 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
0f113f3e | 39 | * |
d02b48c6 RE |
40 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
41 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
42 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
43 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
44 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
45 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
46 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
48 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
49 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
50 | * SUCH DAMAGE. | |
0f113f3e | 51 | * |
d02b48c6 RE |
52 | * The licence and distribution terms for any publically available version or |
53 | * derivative of this code cannot be changed. i.e. this code cannot simply be | |
54 | * copied and put under another distribution licence | |
55 | * [including the GNU Public Licence.] | |
56 | */ | |
57 | ||
effaf4de RS |
58 | #include <openssl/opensslconf.h> |
59 | #ifdef OPENSSL_NO_DSA | |
60 | NON_EMPTY_TRANSLATION_UNIT | |
61 | #else | |
62 | ||
0f113f3e MC |
63 | # include <stdio.h> |
64 | # include <stdlib.h> | |
65 | # include <string.h> | |
66 | # include <time.h> | |
67 | # include "apps.h" | |
68 | # include <openssl/bio.h> | |
69 | # include <openssl/err.h> | |
70 | # include <openssl/dsa.h> | |
71 | # include <openssl/evp.h> | |
72 | # include <openssl/x509.h> | |
73 | # include <openssl/pem.h> | |
74 | # include <openssl/bn.h> | |
d02b48c6 | 75 | |
7e1b7485 RS |
76 | typedef enum OPTION_choice { |
77 | OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, | |
78 | OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT, | |
79 | OPT_ENGINE, OPT_PVK_STRONG, OPT_PVK_WEAK, | |
80 | OPT_PVK_NONE, OPT_NOOUT, OPT_TEXT, OPT_MODULUS, OPT_PUBIN, | |
81 | OPT_PUBOUT, OPT_CIPHER, OPT_PASSIN, OPT_PASSOUT | |
82 | } OPTION_CHOICE; | |
d02b48c6 | 83 | |
7e1b7485 RS |
84 | OPTIONS dsa_options[] = { |
85 | {"help", OPT_HELP, '-', "Display this summary"}, | |
86 | {"inform", OPT_INFORM, 'F', "Input format, DER PEM PVK"}, | |
87 | {"outform", OPT_OUTFORM, 'F', "Output format, DER PEM PVK"}, | |
dd958974 | 88 | {"in", OPT_IN, 's', "Input key"}, |
7e1b7485 | 89 | {"out", OPT_OUT, '>', "Output file"}, |
7e1b7485 RS |
90 | {"noout", OPT_NOOUT, '-', "Don't print key out"}, |
91 | {"text", OPT_TEXT, '-', "Print the key in text"}, | |
92 | {"modulus", OPT_MODULUS, '-', "Print the DSA public value"}, | |
93 | {"pubin", OPT_PUBIN, '-'}, | |
94 | {"pubout", OPT_PUBOUT, '-'}, | |
95 | {"passin", OPT_PASSIN, 's', "Input file pass phrase source"}, | |
96 | {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"}, | |
97 | {"", OPT_CIPHER, '-', "Any supported cipher"}, | |
9c3bcfa0 RS |
98 | # ifndef OPENSSL_NO_RC4 |
99 | {"pvk-strong", OPT_PVK_STRONG, '-'}, | |
100 | {"pvk-weak", OPT_PVK_WEAK, '-'}, | |
101 | {"pvk-none", OPT_PVK_NONE, '-'}, | |
102 | # endif | |
103 | # ifndef OPENSSL_NO_ENGINE | |
104 | {"engine", OPT_ENGINE, 's', "Use engine e, possibly a hardware device"}, | |
105 | # endif | |
7e1b7485 RS |
106 | {NULL} |
107 | }; | |
667ac4ec | 108 | |
7e1b7485 | 109 | int dsa_main(int argc, char **argv) |
0f113f3e | 110 | { |
7e1b7485 | 111 | BIO *out = NULL; |
0f113f3e | 112 | DSA *dsa = NULL; |
7e1b7485 | 113 | ENGINE *e = NULL; |
0f113f3e | 114 | const EVP_CIPHER *enc = NULL; |
333b070e RS |
115 | char *infile = NULL, *outfile = NULL, *prog; |
116 | char *passin = NULL, *passout = NULL, *passinarg = NULL, *passoutarg = NULL; | |
7e1b7485 RS |
117 | OPTION_CHOICE o; |
118 | int informat = FORMAT_PEM, outformat = FORMAT_PEM, text = 0, noout = 0; | |
119 | int i, modulus = 0, pubin = 0, pubout = 0, pvk_encr = 2, ret = 1; | |
3b061a00 | 120 | int private = 0; |
d02b48c6 | 121 | |
7e1b7485 RS |
122 | prog = opt_init(argc, argv, dsa_options); |
123 | while ((o = opt_next()) != OPT_EOF) { | |
124 | switch (o) { | |
125 | case OPT_EOF: | |
126 | case OPT_ERR: | |
7e1b7485 RS |
127 | opthelp: |
128 | ret = 0; | |
129 | BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); | |
130 | goto end; | |
131 | case OPT_HELP: | |
132 | opt_help(dsa_options); | |
133 | ret = 0; | |
134 | goto end; | |
135 | case OPT_INFORM: | |
dd958974 | 136 | if (!opt_format(opt_arg(), OPT_FMT_ANY, &informat)) |
7e1b7485 RS |
137 | goto opthelp; |
138 | break; | |
139 | case OPT_IN: | |
140 | infile = opt_arg(); | |
141 | break; | |
142 | case OPT_OUTFORM: | |
143 | if (!opt_format | |
144 | (opt_arg(), OPT_FMT_PEMDER | OPT_FMT_PVK, &outformat)) | |
145 | goto opthelp; | |
146 | break; | |
147 | case OPT_OUT: | |
148 | outfile = opt_arg(); | |
149 | break; | |
150 | case OPT_ENGINE: | |
333b070e | 151 | e = setup_engine(opt_arg(), 0); |
7e1b7485 RS |
152 | break; |
153 | case OPT_PASSIN: | |
154 | passinarg = opt_arg(); | |
155 | break; | |
156 | case OPT_PASSOUT: | |
157 | passoutarg = opt_arg(); | |
158 | break; | |
35313768 | 159 | #ifndef OPENSSL_NO_RC4 |
7e1b7485 | 160 | case OPT_PVK_STRONG: |
0f113f3e | 161 | pvk_encr = 2; |
7e1b7485 RS |
162 | break; |
163 | case OPT_PVK_WEAK: | |
0f113f3e | 164 | pvk_encr = 1; |
7e1b7485 RS |
165 | break; |
166 | case OPT_PVK_NONE: | |
0f113f3e | 167 | pvk_encr = 0; |
7e1b7485 | 168 | break; |
9c3bcfa0 RS |
169 | #else |
170 | case OPT_PVK_STRONG: | |
171 | case OPT_PVK_WEAK: | |
172 | case OPT_PVK_NONE: | |
173 | break; | |
35313768 | 174 | #endif |
7e1b7485 | 175 | case OPT_NOOUT: |
0f113f3e | 176 | noout = 1; |
7e1b7485 RS |
177 | break; |
178 | case OPT_TEXT: | |
0f113f3e | 179 | text = 1; |
7e1b7485 RS |
180 | break; |
181 | case OPT_MODULUS: | |
0f113f3e | 182 | modulus = 1; |
7e1b7485 RS |
183 | break; |
184 | case OPT_PUBIN: | |
0f113f3e | 185 | pubin = 1; |
7e1b7485 RS |
186 | break; |
187 | case OPT_PUBOUT: | |
0f113f3e | 188 | pubout = 1; |
7e1b7485 RS |
189 | break; |
190 | case OPT_CIPHER: | |
191 | if (!opt_cipher(opt_unknown(), &enc)) | |
192 | goto end; | |
0f113f3e MC |
193 | break; |
194 | } | |
0f113f3e | 195 | } |
7e1b7485 | 196 | argc = opt_num_rest(); |
03358517 KR |
197 | if (argc != 0) |
198 | goto opthelp; | |
199 | ||
3b061a00 | 200 | private = pubin || pubout ? 0 : 1; |
7eff6aa0 | 201 | if (text && !pubin) |
3b061a00 | 202 | private = 1; |
d02b48c6 | 203 | |
7e1b7485 | 204 | if (!app_passwd(passinarg, passoutarg, &passin, &passout)) { |
0f113f3e MC |
205 | BIO_printf(bio_err, "Error getting passwords\n"); |
206 | goto end; | |
207 | } | |
a3fe382e | 208 | |
0f113f3e | 209 | BIO_printf(bio_err, "read DSA key\n"); |
0f113f3e MC |
210 | { |
211 | EVP_PKEY *pkey; | |
a0156a92 | 212 | |
0f113f3e | 213 | if (pubin) |
7e1b7485 | 214 | pkey = load_pubkey(infile, informat, 1, passin, e, "Public Key"); |
0f113f3e | 215 | else |
7e1b7485 | 216 | pkey = load_key(infile, informat, 1, passin, e, "Private Key"); |
a0156a92 | 217 | |
0f113f3e MC |
218 | if (pkey) { |
219 | dsa = EVP_PKEY_get1_DSA(pkey); | |
220 | EVP_PKEY_free(pkey); | |
221 | } | |
222 | } | |
223 | if (dsa == NULL) { | |
224 | BIO_printf(bio_err, "unable to load Key\n"); | |
225 | ERR_print_errors(bio_err); | |
226 | goto end; | |
227 | } | |
d02b48c6 | 228 | |
bdd58d98 | 229 | out = bio_open_owner(outfile, outformat, private); |
7e1b7485 RS |
230 | if (out == NULL) |
231 | goto end; | |
d02b48c6 | 232 | |
3b061a00 | 233 | if (text) { |
7eff6aa0 | 234 | assert(pubin || private); |
0f113f3e MC |
235 | if (!DSA_print(out, dsa, 0)) { |
236 | perror(outfile); | |
237 | ERR_print_errors(bio_err); | |
238 | goto end; | |
239 | } | |
3b061a00 | 240 | } |
d02b48c6 | 241 | |
0f113f3e | 242 | if (modulus) { |
7e1b7485 | 243 | BIO_printf(out, "Public Key="); |
0f113f3e | 244 | BN_print(out, dsa->pub_key); |
7e1b7485 | 245 | BIO_printf(out, "\n"); |
0f113f3e | 246 | } |
d02b48c6 | 247 | |
7e1b7485 RS |
248 | if (noout) { |
249 | ret = 0; | |
0f113f3e | 250 | goto end; |
7e1b7485 | 251 | } |
0f113f3e MC |
252 | BIO_printf(bio_err, "writing DSA key\n"); |
253 | if (outformat == FORMAT_ASN1) { | |
254 | if (pubin || pubout) | |
255 | i = i2d_DSA_PUBKEY_bio(out, dsa); | |
3b061a00 RS |
256 | else { |
257 | assert(private); | |
0f113f3e | 258 | i = i2d_DSAPrivateKey_bio(out, dsa); |
3b061a00 | 259 | } |
0f113f3e MC |
260 | } else if (outformat == FORMAT_PEM) { |
261 | if (pubin || pubout) | |
262 | i = PEM_write_bio_DSA_PUBKEY(out, dsa); | |
3b061a00 RS |
263 | else { |
264 | assert(private); | |
0f113f3e MC |
265 | i = PEM_write_bio_DSAPrivateKey(out, dsa, enc, |
266 | NULL, 0, NULL, passout); | |
3b061a00 | 267 | } |
0f113f3e MC |
268 | # if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_RC4) |
269 | } else if (outformat == FORMAT_MSBLOB || outformat == FORMAT_PVK) { | |
270 | EVP_PKEY *pk; | |
271 | pk = EVP_PKEY_new(); | |
272 | EVP_PKEY_set1_DSA(pk, dsa); | |
3b061a00 | 273 | if (outformat == FORMAT_PVK) { |
7eff6aa0 VD |
274 | if (pubin) { |
275 | BIO_printf(bio_err, "PVK form impossible with public key input\n"); | |
276 | EVP_PKEY_free(pk); | |
277 | goto end; | |
278 | } | |
3b061a00 | 279 | assert(private); |
0f113f3e | 280 | i = i2b_PVK_bio(out, pk, pvk_encr, 0, passout); |
3b061a00 | 281 | } |
0f113f3e MC |
282 | else if (pubin || pubout) |
283 | i = i2b_PublicKey_bio(out, pk); | |
3b061a00 RS |
284 | else { |
285 | assert(private); | |
0f113f3e | 286 | i = i2b_PrivateKey_bio(out, pk); |
3b061a00 | 287 | } |
0f113f3e MC |
288 | EVP_PKEY_free(pk); |
289 | # endif | |
290 | } else { | |
291 | BIO_printf(bio_err, "bad output format specified for outfile\n"); | |
292 | goto end; | |
293 | } | |
294 | if (i <= 0) { | |
295 | BIO_printf(bio_err, "unable to write private key\n"); | |
296 | ERR_print_errors(bio_err); | |
7e1b7485 RS |
297 | goto end; |
298 | } | |
299 | ret = 0; | |
0f113f3e | 300 | end: |
ca3a82c3 | 301 | BIO_free_all(out); |
d6407083 | 302 | DSA_free(dsa); |
b548a1f1 RS |
303 | OPENSSL_free(passin); |
304 | OPENSSL_free(passout); | |
7e1b7485 | 305 | return (ret); |
0f113f3e | 306 | } |
f5d7a031 | 307 | #endif |