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846e33c7 | 1 | /* |
6738bf14 | 2 | * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved. |
d02b48c6 | 3 | * |
846e33c7 RS |
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 | |
d02b48c6 RE |
8 | */ |
9 | ||
effaf4de RS |
10 | #include <openssl/opensslconf.h> |
11 | #ifdef OPENSSL_NO_DSA | |
12 | NON_EMPTY_TRANSLATION_UNIT | |
13 | #else | |
14 | ||
0f113f3e MC |
15 | # include <stdio.h> |
16 | # include <stdlib.h> | |
17 | # include <string.h> | |
18 | # include <time.h> | |
19 | # include "apps.h" | |
dab2cd68 | 20 | # include "progs.h" |
0f113f3e MC |
21 | # include <openssl/bio.h> |
22 | # include <openssl/err.h> | |
23 | # include <openssl/dsa.h> | |
24 | # include <openssl/evp.h> | |
25 | # include <openssl/x509.h> | |
26 | # include <openssl/pem.h> | |
27 | # include <openssl/bn.h> | |
d02b48c6 | 28 | |
7e1b7485 RS |
29 | typedef enum OPTION_choice { |
30 | OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, | |
e7917e38 F |
31 | OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT, OPT_ENGINE, |
32 | /* Do not change the order here; see case statements below */ | |
33 | OPT_PVK_NONE, OPT_PVK_WEAK, OPT_PVK_STRONG, | |
34 | OPT_NOOUT, OPT_TEXT, OPT_MODULUS, OPT_PUBIN, | |
7e1b7485 RS |
35 | OPT_PUBOUT, OPT_CIPHER, OPT_PASSIN, OPT_PASSOUT |
36 | } OPTION_CHOICE; | |
d02b48c6 | 37 | |
44c83ebd | 38 | const OPTIONS dsa_options[] = { |
7e1b7485 | 39 | {"help", OPT_HELP, '-', "Display this summary"}, |
d18ba3cc | 40 | {"inform", OPT_INFORM, 'f', "Input format, DER PEM PVK"}, |
b3795987 | 41 | {"outform", OPT_OUTFORM, 'f', "Output format, DER PEM PVK"}, |
dd958974 | 42 | {"in", OPT_IN, 's', "Input key"}, |
7e1b7485 | 43 | {"out", OPT_OUT, '>', "Output file"}, |
7e1b7485 RS |
44 | {"noout", OPT_NOOUT, '-', "Don't print key out"}, |
45 | {"text", OPT_TEXT, '-', "Print the key in text"}, | |
46 | {"modulus", OPT_MODULUS, '-', "Print the DSA public value"}, | |
16e1b281 F |
47 | {"pubin", OPT_PUBIN, '-', "Expect a public key in input file"}, |
48 | {"pubout", OPT_PUBOUT, '-', "Output public key, not private"}, | |
7e1b7485 RS |
49 | {"passin", OPT_PASSIN, 's', "Input file pass phrase source"}, |
50 | {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"}, | |
51 | {"", OPT_CIPHER, '-', "Any supported cipher"}, | |
9c3bcfa0 | 52 | # ifndef OPENSSL_NO_RC4 |
e7917e38 F |
53 | {"pvk-strong", OPT_PVK_STRONG, '-', "Enable 'Strong' PVK encoding level (default)"}, |
54 | {"pvk-weak", OPT_PVK_WEAK, '-', "Enable 'Weak' PVK encoding level"}, | |
55 | {"pvk-none", OPT_PVK_NONE, '-', "Don't enforce PVK encoding"}, | |
9c3bcfa0 RS |
56 | # endif |
57 | # ifndef OPENSSL_NO_ENGINE | |
58 | {"engine", OPT_ENGINE, 's', "Use engine e, possibly a hardware device"}, | |
59 | # endif | |
7e1b7485 RS |
60 | {NULL} |
61 | }; | |
667ac4ec | 62 | |
7e1b7485 | 63 | int dsa_main(int argc, char **argv) |
0f113f3e | 64 | { |
7e1b7485 | 65 | BIO *out = NULL; |
0f113f3e | 66 | DSA *dsa = NULL; |
7e1b7485 | 67 | ENGINE *e = NULL; |
0f113f3e | 68 | const EVP_CIPHER *enc = NULL; |
333b070e RS |
69 | char *infile = NULL, *outfile = NULL, *prog; |
70 | char *passin = NULL, *passout = NULL, *passinarg = NULL, *passoutarg = NULL; | |
7e1b7485 RS |
71 | OPTION_CHOICE o; |
72 | int informat = FORMAT_PEM, outformat = FORMAT_PEM, text = 0, noout = 0; | |
9730043f BL |
73 | int i, modulus = 0, pubin = 0, pubout = 0, ret = 1; |
74 | # ifndef OPENSSL_NO_RC4 | |
75 | int pvk_encr = 2; | |
76 | # endif | |
3b061a00 | 77 | int private = 0; |
d02b48c6 | 78 | |
7e1b7485 RS |
79 | prog = opt_init(argc, argv, dsa_options); |
80 | while ((o = opt_next()) != OPT_EOF) { | |
81 | switch (o) { | |
82 | case OPT_EOF: | |
83 | case OPT_ERR: | |
7e1b7485 RS |
84 | opthelp: |
85 | ret = 0; | |
86 | BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); | |
87 | goto end; | |
88 | case OPT_HELP: | |
89 | opt_help(dsa_options); | |
90 | ret = 0; | |
91 | goto end; | |
92 | case OPT_INFORM: | |
dd958974 | 93 | if (!opt_format(opt_arg(), OPT_FMT_ANY, &informat)) |
7e1b7485 RS |
94 | goto opthelp; |
95 | break; | |
96 | case OPT_IN: | |
97 | infile = opt_arg(); | |
98 | break; | |
99 | case OPT_OUTFORM: | |
b3795987 | 100 | if (!opt_format(opt_arg(), OPT_FMT_ANY, &outformat)) |
7e1b7485 RS |
101 | goto opthelp; |
102 | break; | |
103 | case OPT_OUT: | |
104 | outfile = opt_arg(); | |
105 | break; | |
106 | case OPT_ENGINE: | |
333b070e | 107 | e = setup_engine(opt_arg(), 0); |
7e1b7485 RS |
108 | break; |
109 | case OPT_PASSIN: | |
110 | passinarg = opt_arg(); | |
111 | break; | |
112 | case OPT_PASSOUT: | |
113 | passoutarg = opt_arg(); | |
114 | break; | |
e7917e38 F |
115 | case OPT_PVK_STRONG: /* pvk_encr:= 2 */ |
116 | case OPT_PVK_WEAK: /* pvk_encr:= 1 */ | |
117 | case OPT_PVK_NONE: /* pvk_encr:= 0 */ | |
35313768 | 118 | #ifndef OPENSSL_NO_RC4 |
e7917e38 | 119 | pvk_encr = (o - OPT_PVK_NONE); |
35313768 | 120 | #endif |
e7917e38 | 121 | break; |
7e1b7485 | 122 | case OPT_NOOUT: |
0f113f3e | 123 | noout = 1; |
7e1b7485 RS |
124 | break; |
125 | case OPT_TEXT: | |
0f113f3e | 126 | text = 1; |
7e1b7485 RS |
127 | break; |
128 | case OPT_MODULUS: | |
0f113f3e | 129 | modulus = 1; |
7e1b7485 RS |
130 | break; |
131 | case OPT_PUBIN: | |
0f113f3e | 132 | pubin = 1; |
7e1b7485 RS |
133 | break; |
134 | case OPT_PUBOUT: | |
0f113f3e | 135 | pubout = 1; |
7e1b7485 RS |
136 | break; |
137 | case OPT_CIPHER: | |
138 | if (!opt_cipher(opt_unknown(), &enc)) | |
139 | goto end; | |
0f113f3e MC |
140 | break; |
141 | } | |
0f113f3e | 142 | } |
7e1b7485 | 143 | argc = opt_num_rest(); |
03358517 KR |
144 | if (argc != 0) |
145 | goto opthelp; | |
146 | ||
3b061a00 | 147 | private = pubin || pubout ? 0 : 1; |
7eff6aa0 | 148 | if (text && !pubin) |
3b061a00 | 149 | private = 1; |
d02b48c6 | 150 | |
7e1b7485 | 151 | if (!app_passwd(passinarg, passoutarg, &passin, &passout)) { |
0f113f3e MC |
152 | BIO_printf(bio_err, "Error getting passwords\n"); |
153 | goto end; | |
154 | } | |
a3fe382e | 155 | |
0f113f3e | 156 | BIO_printf(bio_err, "read DSA key\n"); |
0f113f3e MC |
157 | { |
158 | EVP_PKEY *pkey; | |
a0156a92 | 159 | |
0f113f3e | 160 | if (pubin) |
7e1b7485 | 161 | pkey = load_pubkey(infile, informat, 1, passin, e, "Public Key"); |
0f113f3e | 162 | else |
7e1b7485 | 163 | pkey = load_key(infile, informat, 1, passin, e, "Private Key"); |
a0156a92 | 164 | |
2234212c | 165 | if (pkey != NULL) { |
0f113f3e MC |
166 | dsa = EVP_PKEY_get1_DSA(pkey); |
167 | EVP_PKEY_free(pkey); | |
168 | } | |
169 | } | |
170 | if (dsa == NULL) { | |
171 | BIO_printf(bio_err, "unable to load Key\n"); | |
172 | ERR_print_errors(bio_err); | |
173 | goto end; | |
174 | } | |
d02b48c6 | 175 | |
bdd58d98 | 176 | out = bio_open_owner(outfile, outformat, private); |
7e1b7485 RS |
177 | if (out == NULL) |
178 | goto end; | |
d02b48c6 | 179 | |
3b061a00 | 180 | if (text) { |
7eff6aa0 | 181 | assert(pubin || private); |
0f113f3e MC |
182 | if (!DSA_print(out, dsa, 0)) { |
183 | perror(outfile); | |
184 | ERR_print_errors(bio_err); | |
185 | goto end; | |
186 | } | |
3b061a00 | 187 | } |
d02b48c6 | 188 | |
0f113f3e | 189 | if (modulus) { |
2ac6115d | 190 | const BIGNUM *pub_key = NULL; |
6e9fa57c | 191 | DSA_get0_key(dsa, &pub_key, NULL); |
7e1b7485 | 192 | BIO_printf(out, "Public Key="); |
6e9fa57c | 193 | BN_print(out, pub_key); |
7e1b7485 | 194 | BIO_printf(out, "\n"); |
0f113f3e | 195 | } |
d02b48c6 | 196 | |
7e1b7485 RS |
197 | if (noout) { |
198 | ret = 0; | |
0f113f3e | 199 | goto end; |
7e1b7485 | 200 | } |
0f113f3e MC |
201 | BIO_printf(bio_err, "writing DSA key\n"); |
202 | if (outformat == FORMAT_ASN1) { | |
2234212c | 203 | if (pubin || pubout) { |
0f113f3e | 204 | i = i2d_DSA_PUBKEY_bio(out, dsa); |
2234212c | 205 | } else { |
3b061a00 | 206 | assert(private); |
0f113f3e | 207 | i = i2d_DSAPrivateKey_bio(out, dsa); |
3b061a00 | 208 | } |
0f113f3e | 209 | } else if (outformat == FORMAT_PEM) { |
2234212c | 210 | if (pubin || pubout) { |
0f113f3e | 211 | i = PEM_write_bio_DSA_PUBKEY(out, dsa); |
2234212c | 212 | } else { |
3b061a00 | 213 | assert(private); |
0f113f3e MC |
214 | i = PEM_write_bio_DSAPrivateKey(out, dsa, enc, |
215 | NULL, 0, NULL, passout); | |
3b061a00 | 216 | } |
b6c68982 | 217 | # ifndef OPENSSL_NO_RSA |
0f113f3e MC |
218 | } else if (outformat == FORMAT_MSBLOB || outformat == FORMAT_PVK) { |
219 | EVP_PKEY *pk; | |
220 | pk = EVP_PKEY_new(); | |
a6f622bc PK |
221 | if (pk == NULL) |
222 | goto end; | |
223 | ||
0f113f3e | 224 | EVP_PKEY_set1_DSA(pk, dsa); |
3b061a00 | 225 | if (outformat == FORMAT_PVK) { |
7eff6aa0 VD |
226 | if (pubin) { |
227 | BIO_printf(bio_err, "PVK form impossible with public key input\n"); | |
228 | EVP_PKEY_free(pk); | |
229 | goto end; | |
230 | } | |
3b061a00 | 231 | assert(private); |
b6c68982 DSH |
232 | # ifdef OPENSSL_NO_RC4 |
233 | BIO_printf(bio_err, "PVK format not supported\n"); | |
234 | EVP_PKEY_free(pk); | |
235 | goto end; | |
236 | # else | |
0f113f3e | 237 | i = i2b_PVK_bio(out, pk, pvk_encr, 0, passout); |
b6c68982 | 238 | # endif |
2234212c | 239 | } else if (pubin || pubout) { |
0f113f3e | 240 | i = i2b_PublicKey_bio(out, pk); |
2234212c | 241 | } else { |
3b061a00 | 242 | assert(private); |
0f113f3e | 243 | i = i2b_PrivateKey_bio(out, pk); |
3b061a00 | 244 | } |
0f113f3e MC |
245 | EVP_PKEY_free(pk); |
246 | # endif | |
247 | } else { | |
248 | BIO_printf(bio_err, "bad output format specified for outfile\n"); | |
249 | goto end; | |
250 | } | |
251 | if (i <= 0) { | |
252 | BIO_printf(bio_err, "unable to write private key\n"); | |
253 | ERR_print_errors(bio_err); | |
7e1b7485 RS |
254 | goto end; |
255 | } | |
256 | ret = 0; | |
0f113f3e | 257 | end: |
ca3a82c3 | 258 | BIO_free_all(out); |
d6407083 | 259 | DSA_free(dsa); |
dd1abd44 | 260 | release_engine(e); |
b548a1f1 RS |
261 | OPENSSL_free(passin); |
262 | OPENSSL_free(passout); | |
26a7d938 | 263 | return ret; |
0f113f3e | 264 | } |
f5d7a031 | 265 | #endif |