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846e33c7 | 1 | /* |
6738bf14 | 2 | * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved. |
d02b48c6 | 3 | * |
dffa7520 | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
846e33c7 RS |
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 | |
7e1b7485 | 8 | */ |
d02b48c6 | 9 | |
3eeaab4b | 10 | #include <openssl/opensslconf.h> |
effaf4de RS |
11 | #ifdef OPENSSL_NO_RSA |
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/rsa.h> | |
24 | # include <openssl/evp.h> | |
25 | # include <openssl/x509.h> | |
26 | # include <openssl/pem.h> | |
27 | # include <openssl/bn.h> | |
28 | ||
7e1b7485 RS |
29 | typedef enum OPTION_choice { |
30 | OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, | |
31 | OPT_INFORM, OPT_OUTFORM, OPT_ENGINE, OPT_IN, OPT_OUT, | |
32 | OPT_PUBIN, OPT_PUBOUT, OPT_PASSOUT, OPT_PASSIN, | |
e7917e38 F |
33 | OPT_RSAPUBKEY_IN, OPT_RSAPUBKEY_OUT, |
34 | /* Do not change the order here; see case statements below */ | |
35 | OPT_PVK_NONE, OPT_PVK_WEAK, OPT_PVK_STRONG, | |
36 | OPT_NOOUT, OPT_TEXT, OPT_MODULUS, OPT_CHECK, OPT_CIPHER | |
7e1b7485 RS |
37 | } OPTION_CHOICE; |
38 | ||
44c83ebd | 39 | const OPTIONS rsa_options[] = { |
5388f986 | 40 | OPT_SECTION("General"), |
7e1b7485 | 41 | {"help", OPT_HELP, '-', "Display this summary"}, |
5388f986 RS |
42 | {"check", OPT_CHECK, '-', "Verify key consistency"}, |
43 | {"", OPT_CIPHER, '-', "Any supported cipher"}, | |
44 | # ifndef OPENSSL_NO_ENGINE | |
45 | {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, | |
46 | # endif | |
47 | ||
48 | OPT_SECTION("Input"), | |
dd958974 | 49 | {"in", OPT_IN, 's', "Input file"}, |
5388f986 | 50 | {"inform", OPT_INFORM, 'f', "Input format, one of DER PEM"}, |
7e1b7485 | 51 | {"pubin", OPT_PUBIN, '-', "Expect a public key in input file"}, |
bc2f5803 | 52 | {"RSAPublicKey_in", OPT_RSAPUBKEY_IN, '-', "Input is an RSAPublicKey"}, |
5388f986 RS |
53 | {"passin", OPT_PASSIN, 's', "Input file pass phrase source"}, |
54 | ||
55 | OPT_SECTION("Output"), | |
56 | {"out", OPT_OUT, '>', "Output file"}, | |
57 | {"outform", OPT_OUTFORM, 'f', "Output format, one of DER PEM PVK"}, | |
58 | {"pubout", OPT_PUBOUT, '-', "Output a public key"}, | |
bc2f5803 | 59 | {"RSAPublicKey_out", OPT_RSAPUBKEY_OUT, '-', "Output is an RSAPublicKey"}, |
5388f986 | 60 | {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"}, |
7e1b7485 RS |
61 | {"noout", OPT_NOOUT, '-', "Don't print key out"}, |
62 | {"text", OPT_TEXT, '-', "Print the key in text"}, | |
63 | {"modulus", OPT_MODULUS, '-', "Print the RSA key modulus"}, | |
5388f986 | 64 | |
e5452d40 | 65 | # if !defined(OPENSSL_NO_DSA) && !defined(OPENSSL_NO_RC4) |
5388f986 | 66 | OPT_SECTION("PVK"), |
e7917e38 F |
67 | {"pvk-strong", OPT_PVK_STRONG, '-', "Enable 'Strong' PVK encoding level (default)"}, |
68 | {"pvk-weak", OPT_PVK_WEAK, '-', "Enable 'Weak' PVK encoding level"}, | |
69 | {"pvk-none", OPT_PVK_NONE, '-', "Don't enforce PVK encoding"}, | |
7e1b7485 RS |
70 | # endif |
71 | {NULL} | |
72 | }; | |
667ac4ec | 73 | |
7e1b7485 | 74 | int rsa_main(int argc, char **argv) |
0f113f3e MC |
75 | { |
76 | ENGINE *e = NULL; | |
7e1b7485 | 77 | BIO *out = NULL; |
0f113f3e | 78 | RSA *rsa = NULL; |
0f113f3e | 79 | const EVP_CIPHER *enc = NULL; |
333b070e | 80 | char *infile = NULL, *outfile = NULL, *prog; |
7e1b7485 | 81 | char *passin = NULL, *passout = NULL, *passinarg = NULL, *passoutarg = NULL; |
3b061a00 | 82 | int i, private = 0; |
7e1b7485 | 83 | int informat = FORMAT_PEM, outformat = FORMAT_PEM, text = 0, check = 0; |
83ae8124 MC |
84 | int noout = 0, modulus = 0, pubin = 0, pubout = 0, ret = 1; |
85 | # if !defined(OPENSSL_NO_DSA) && !defined(OPENSSL_NO_RC4) | |
86 | int pvk_encr = 2; | |
e5452d40 | 87 | # endif |
7e1b7485 RS |
88 | OPTION_CHOICE o; |
89 | ||
90 | prog = opt_init(argc, argv, rsa_options); | |
91 | while ((o = opt_next()) != OPT_EOF) { | |
92 | switch (o) { | |
93 | case OPT_EOF: | |
94 | case OPT_ERR: | |
7e1b7485 RS |
95 | opthelp: |
96 | BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); | |
97 | goto end; | |
98 | case OPT_HELP: | |
99 | opt_help(rsa_options); | |
100 | ret = 0; | |
101 | goto end; | |
102 | case OPT_INFORM: | |
103 | if (!opt_format(opt_arg(), OPT_FMT_ANY, &informat)) | |
104 | goto opthelp; | |
105 | break; | |
106 | case OPT_IN: | |
107 | infile = opt_arg(); | |
108 | break; | |
109 | case OPT_OUTFORM: | |
110 | if (!opt_format(opt_arg(), OPT_FMT_ANY, &outformat)) | |
111 | goto opthelp; | |
112 | break; | |
113 | case OPT_OUT: | |
114 | outfile = opt_arg(); | |
115 | break; | |
116 | case OPT_PASSIN: | |
117 | passinarg = opt_arg(); | |
118 | break; | |
119 | case OPT_PASSOUT: | |
120 | passoutarg = opt_arg(); | |
121 | break; | |
122 | case OPT_ENGINE: | |
333b070e | 123 | e = setup_engine(opt_arg(), 0); |
7e1b7485 RS |
124 | break; |
125 | case OPT_PUBIN: | |
0f113f3e | 126 | pubin = 1; |
7e1b7485 RS |
127 | break; |
128 | case OPT_PUBOUT: | |
0f113f3e | 129 | pubout = 1; |
7e1b7485 RS |
130 | break; |
131 | case OPT_RSAPUBKEY_IN: | |
0f113f3e | 132 | pubin = 2; |
7e1b7485 RS |
133 | break; |
134 | case OPT_RSAPUBKEY_OUT: | |
0f113f3e | 135 | pubout = 2; |
7e1b7485 | 136 | break; |
e7917e38 F |
137 | case OPT_PVK_STRONG: /* pvk_encr:= 2 */ |
138 | case OPT_PVK_WEAK: /* pvk_encr:= 1 */ | |
139 | case OPT_PVK_NONE: /* pvk_encr:= 0 */ | |
83ae8124 | 140 | # if !defined(OPENSSL_NO_DSA) && !defined(OPENSSL_NO_RC4) |
e7917e38 | 141 | pvk_encr = (o - OPT_PVK_NONE); |
e5452d40 | 142 | # endif |
e7917e38 | 143 | break; |
7e1b7485 | 144 | case OPT_NOOUT: |
0f113f3e | 145 | noout = 1; |
7e1b7485 RS |
146 | break; |
147 | case OPT_TEXT: | |
0f113f3e | 148 | text = 1; |
7e1b7485 RS |
149 | break; |
150 | case OPT_MODULUS: | |
0f113f3e | 151 | modulus = 1; |
7e1b7485 RS |
152 | break; |
153 | case OPT_CHECK: | |
0f113f3e | 154 | check = 1; |
7e1b7485 RS |
155 | break; |
156 | case OPT_CIPHER: | |
157 | if (!opt_cipher(opt_unknown(), &enc)) | |
158 | goto opthelp; | |
0f113f3e MC |
159 | break; |
160 | } | |
0f113f3e | 161 | } |
7e1b7485 | 162 | argc = opt_num_rest(); |
03358517 KR |
163 | if (argc != 0) |
164 | goto opthelp; | |
165 | ||
7eff6aa0 | 166 | private = (text && !pubin) || (!pubout && !noout) ? 1 : 0; |
0f113f3e | 167 | |
7e1b7485 | 168 | if (!app_passwd(passinarg, passoutarg, &passin, &passout)) { |
0f113f3e MC |
169 | BIO_printf(bio_err, "Error getting passwords\n"); |
170 | goto end; | |
171 | } | |
0f113f3e MC |
172 | if (check && pubin) { |
173 | BIO_printf(bio_err, "Only private keys can be checked\n"); | |
174 | goto end; | |
175 | } | |
176 | ||
0f113f3e MC |
177 | { |
178 | EVP_PKEY *pkey; | |
179 | ||
180 | if (pubin) { | |
181 | int tmpformat = -1; | |
182 | if (pubin == 2) { | |
183 | if (informat == FORMAT_PEM) | |
184 | tmpformat = FORMAT_PEMRSA; | |
185 | else if (informat == FORMAT_ASN1) | |
186 | tmpformat = FORMAT_ASN1RSA; | |
2234212c | 187 | } else { |
0f113f3e | 188 | tmpformat = informat; |
2234212c | 189 | } |
0f113f3e | 190 | |
7e1b7485 | 191 | pkey = load_pubkey(infile, tmpformat, 1, passin, e, "Public Key"); |
2234212c | 192 | } else { |
7e1b7485 | 193 | pkey = load_key(infile, informat, 1, passin, e, "Private Key"); |
2234212c | 194 | } |
0f113f3e MC |
195 | |
196 | if (pkey != NULL) | |
197 | rsa = EVP_PKEY_get1_RSA(pkey); | |
198 | EVP_PKEY_free(pkey); | |
199 | } | |
200 | ||
201 | if (rsa == NULL) { | |
202 | ERR_print_errors(bio_err); | |
203 | goto end; | |
204 | } | |
205 | ||
bdd58d98 | 206 | out = bio_open_owner(outfile, outformat, private); |
7e1b7485 RS |
207 | if (out == NULL) |
208 | goto end; | |
0f113f3e | 209 | |
3b061a00 | 210 | if (text) { |
7eff6aa0 | 211 | assert(pubin || private); |
0f113f3e MC |
212 | if (!RSA_print(out, rsa, 0)) { |
213 | perror(outfile); | |
214 | ERR_print_errors(bio_err); | |
215 | goto end; | |
216 | } | |
3b061a00 | 217 | } |
0f113f3e MC |
218 | |
219 | if (modulus) { | |
2ac6115d | 220 | const BIGNUM *n; |
9862e9aa | 221 | RSA_get0_key(rsa, &n, NULL, NULL); |
0f113f3e | 222 | BIO_printf(out, "Modulus="); |
9862e9aa | 223 | BN_print(out, n); |
0f113f3e MC |
224 | BIO_printf(out, "\n"); |
225 | } | |
226 | ||
227 | if (check) { | |
03883e7e | 228 | int r = RSA_check_key_ex(rsa, NULL); |
0f113f3e | 229 | |
2234212c | 230 | if (r == 1) { |
0f113f3e | 231 | BIO_printf(out, "RSA key ok\n"); |
2234212c | 232 | } else if (r == 0) { |
0f113f3e MC |
233 | unsigned long err; |
234 | ||
235 | while ((err = ERR_peek_error()) != 0 && | |
236 | ERR_GET_LIB(err) == ERR_LIB_RSA && | |
0f113f3e MC |
237 | ERR_GET_REASON(err) != ERR_R_MALLOC_FAILURE) { |
238 | BIO_printf(out, "RSA key error: %s\n", | |
239 | ERR_reason_error_string(err)); | |
67d4fee8 | 240 | ERR_get_error(); /* remove err from error stack */ |
0f113f3e | 241 | } |
63db6b77 | 242 | } else if (r == -1) { |
0f113f3e MC |
243 | ERR_print_errors(bio_err); |
244 | goto end; | |
245 | } | |
246 | } | |
247 | ||
248 | if (noout) { | |
249 | ret = 0; | |
250 | goto end; | |
251 | } | |
252 | BIO_printf(bio_err, "writing RSA key\n"); | |
253 | if (outformat == FORMAT_ASN1) { | |
254 | if (pubout || pubin) { | |
255 | if (pubout == 2) | |
256 | i = i2d_RSAPublicKey_bio(out, rsa); | |
257 | else | |
258 | i = i2d_RSA_PUBKEY_bio(out, rsa); | |
3b061a00 RS |
259 | } else { |
260 | assert(private); | |
0f113f3e | 261 | i = i2d_RSAPrivateKey_bio(out, rsa); |
3b061a00 | 262 | } |
2234212c | 263 | } else if (outformat == FORMAT_PEM) { |
0f113f3e MC |
264 | if (pubout || pubin) { |
265 | if (pubout == 2) | |
266 | i = PEM_write_bio_RSAPublicKey(out, rsa); | |
267 | else | |
268 | i = PEM_write_bio_RSA_PUBKEY(out, rsa); | |
3b061a00 RS |
269 | } else { |
270 | assert(private); | |
0f113f3e MC |
271 | i = PEM_write_bio_RSAPrivateKey(out, rsa, |
272 | enc, NULL, 0, NULL, passout); | |
3b061a00 | 273 | } |
b6c68982 | 274 | # ifndef OPENSSL_NO_DSA |
0f113f3e MC |
275 | } else if (outformat == FORMAT_MSBLOB || outformat == FORMAT_PVK) { |
276 | EVP_PKEY *pk; | |
277 | pk = EVP_PKEY_new(); | |
d896b79b MA |
278 | if (pk == NULL) |
279 | goto end; | |
280 | ||
0f113f3e | 281 | EVP_PKEY_set1_RSA(pk, rsa); |
7eff6aa0 VD |
282 | if (outformat == FORMAT_PVK) { |
283 | if (pubin) { | |
284 | BIO_printf(bio_err, "PVK form impossible with public key input\n"); | |
285 | EVP_PKEY_free(pk); | |
286 | goto end; | |
287 | } | |
288 | assert(private); | |
b6c68982 DSH |
289 | # ifdef OPENSSL_NO_RC4 |
290 | BIO_printf(bio_err, "PVK format not supported\n"); | |
291 | EVP_PKEY_free(pk); | |
292 | goto end; | |
293 | # else | |
0f113f3e | 294 | i = i2b_PVK_bio(out, pk, pvk_encr, 0, passout); |
b6c68982 | 295 | # endif |
7eff6aa0 | 296 | } else if (pubin || pubout) { |
0f113f3e | 297 | i = i2b_PublicKey_bio(out, pk); |
7eff6aa0 | 298 | } else { |
3b061a00 | 299 | assert(private); |
0f113f3e | 300 | i = i2b_PrivateKey_bio(out, pk); |
3b061a00 | 301 | } |
0f113f3e MC |
302 | EVP_PKEY_free(pk); |
303 | # endif | |
304 | } else { | |
305 | BIO_printf(bio_err, "bad output format specified for outfile\n"); | |
306 | goto end; | |
307 | } | |
308 | if (i <= 0) { | |
309 | BIO_printf(bio_err, "unable to write key\n"); | |
310 | ERR_print_errors(bio_err); | |
2234212c | 311 | } else { |
0f113f3e | 312 | ret = 0; |
2234212c | 313 | } |
0f113f3e | 314 | end: |
dd1abd44 | 315 | release_engine(e); |
ca3a82c3 | 316 | BIO_free_all(out); |
d6407083 | 317 | RSA_free(rsa); |
b548a1f1 RS |
318 | OPENSSL_free(passin); |
319 | OPENSSL_free(passout); | |
26a7d938 | 320 | return ret; |
0f113f3e | 321 | } |
f5d7a031 | 322 | #endif |