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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 | |
c5f87134 P |
10 | /* We need to use the deprecated RSA low level calls */ |
11 | #define OPENSSL_SUPPRESS_DEPRECATED | |
12 | ||
3eeaab4b | 13 | #include <openssl/opensslconf.h> |
effaf4de RS |
14 | #ifdef OPENSSL_NO_RSA |
15 | NON_EMPTY_TRANSLATION_UNIT | |
16 | #else | |
17 | ||
0f113f3e MC |
18 | # include <stdio.h> |
19 | # include <stdlib.h> | |
20 | # include <string.h> | |
21 | # include <time.h> | |
22 | # include "apps.h" | |
dab2cd68 | 23 | # include "progs.h" |
0f113f3e MC |
24 | # include <openssl/bio.h> |
25 | # include <openssl/err.h> | |
26 | # include <openssl/rsa.h> | |
27 | # include <openssl/evp.h> | |
28 | # include <openssl/x509.h> | |
29 | # include <openssl/pem.h> | |
30 | # include <openssl/bn.h> | |
31 | ||
7e1b7485 RS |
32 | typedef enum OPTION_choice { |
33 | OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, | |
34 | OPT_INFORM, OPT_OUTFORM, OPT_ENGINE, OPT_IN, OPT_OUT, | |
35 | OPT_PUBIN, OPT_PUBOUT, OPT_PASSOUT, OPT_PASSIN, | |
e7917e38 F |
36 | OPT_RSAPUBKEY_IN, OPT_RSAPUBKEY_OUT, |
37 | /* Do not change the order here; see case statements below */ | |
38 | OPT_PVK_NONE, OPT_PVK_WEAK, OPT_PVK_STRONG, | |
6bd4e3f2 P |
39 | OPT_NOOUT, OPT_TEXT, OPT_MODULUS, OPT_CHECK, OPT_CIPHER, |
40 | OPT_PROV_ENUM | |
7e1b7485 RS |
41 | } OPTION_CHOICE; |
42 | ||
44c83ebd | 43 | const OPTIONS rsa_options[] = { |
5388f986 | 44 | OPT_SECTION("General"), |
7e1b7485 | 45 | {"help", OPT_HELP, '-', "Display this summary"}, |
5388f986 RS |
46 | {"check", OPT_CHECK, '-', "Verify key consistency"}, |
47 | {"", OPT_CIPHER, '-', "Any supported cipher"}, | |
48 | # ifndef OPENSSL_NO_ENGINE | |
49 | {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, | |
50 | # endif | |
51 | ||
52 | OPT_SECTION("Input"), | |
dd958974 | 53 | {"in", OPT_IN, 's', "Input file"}, |
5388f986 | 54 | {"inform", OPT_INFORM, 'f', "Input format, one of DER PEM"}, |
7e1b7485 | 55 | {"pubin", OPT_PUBIN, '-', "Expect a public key in input file"}, |
bc2f5803 | 56 | {"RSAPublicKey_in", OPT_RSAPUBKEY_IN, '-', "Input is an RSAPublicKey"}, |
5388f986 RS |
57 | {"passin", OPT_PASSIN, 's', "Input file pass phrase source"}, |
58 | ||
59 | OPT_SECTION("Output"), | |
60 | {"out", OPT_OUT, '>', "Output file"}, | |
61 | {"outform", OPT_OUTFORM, 'f', "Output format, one of DER PEM PVK"}, | |
62 | {"pubout", OPT_PUBOUT, '-', "Output a public key"}, | |
bc2f5803 | 63 | {"RSAPublicKey_out", OPT_RSAPUBKEY_OUT, '-', "Output is an RSAPublicKey"}, |
5388f986 | 64 | {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"}, |
7e1b7485 RS |
65 | {"noout", OPT_NOOUT, '-', "Don't print key out"}, |
66 | {"text", OPT_TEXT, '-', "Print the key in text"}, | |
67 | {"modulus", OPT_MODULUS, '-', "Print the RSA key modulus"}, | |
5388f986 | 68 | |
e5452d40 | 69 | # if !defined(OPENSSL_NO_DSA) && !defined(OPENSSL_NO_RC4) |
5388f986 | 70 | OPT_SECTION("PVK"), |
e7917e38 F |
71 | {"pvk-strong", OPT_PVK_STRONG, '-', "Enable 'Strong' PVK encoding level (default)"}, |
72 | {"pvk-weak", OPT_PVK_WEAK, '-', "Enable 'Weak' PVK encoding level"}, | |
73 | {"pvk-none", OPT_PVK_NONE, '-', "Don't enforce PVK encoding"}, | |
7e1b7485 | 74 | # endif |
6bd4e3f2 P |
75 | |
76 | OPT_PROV_OPTIONS, | |
7e1b7485 RS |
77 | {NULL} |
78 | }; | |
667ac4ec | 79 | |
7e1b7485 | 80 | int rsa_main(int argc, char **argv) |
0f113f3e MC |
81 | { |
82 | ENGINE *e = NULL; | |
7e1b7485 | 83 | BIO *out = NULL; |
0f113f3e | 84 | RSA *rsa = NULL; |
0f113f3e | 85 | const EVP_CIPHER *enc = NULL; |
333b070e | 86 | char *infile = NULL, *outfile = NULL, *prog; |
7e1b7485 | 87 | char *passin = NULL, *passout = NULL, *passinarg = NULL, *passoutarg = NULL; |
3b061a00 | 88 | int i, private = 0; |
7e1b7485 | 89 | int informat = FORMAT_PEM, outformat = FORMAT_PEM, text = 0, check = 0; |
83ae8124 MC |
90 | int noout = 0, modulus = 0, pubin = 0, pubout = 0, ret = 1; |
91 | # if !defined(OPENSSL_NO_DSA) && !defined(OPENSSL_NO_RC4) | |
92 | int pvk_encr = 2; | |
e5452d40 | 93 | # endif |
7e1b7485 RS |
94 | OPTION_CHOICE o; |
95 | ||
96 | prog = opt_init(argc, argv, rsa_options); | |
97 | while ((o = opt_next()) != OPT_EOF) { | |
98 | switch (o) { | |
99 | case OPT_EOF: | |
100 | case OPT_ERR: | |
7e1b7485 RS |
101 | opthelp: |
102 | BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); | |
103 | goto end; | |
104 | case OPT_HELP: | |
105 | opt_help(rsa_options); | |
106 | ret = 0; | |
107 | goto end; | |
108 | case OPT_INFORM: | |
109 | if (!opt_format(opt_arg(), OPT_FMT_ANY, &informat)) | |
110 | goto opthelp; | |
111 | break; | |
112 | case OPT_IN: | |
113 | infile = opt_arg(); | |
114 | break; | |
115 | case OPT_OUTFORM: | |
116 | if (!opt_format(opt_arg(), OPT_FMT_ANY, &outformat)) | |
117 | goto opthelp; | |
118 | break; | |
119 | case OPT_OUT: | |
120 | outfile = opt_arg(); | |
121 | break; | |
122 | case OPT_PASSIN: | |
123 | passinarg = opt_arg(); | |
124 | break; | |
125 | case OPT_PASSOUT: | |
126 | passoutarg = opt_arg(); | |
127 | break; | |
128 | case OPT_ENGINE: | |
333b070e | 129 | e = setup_engine(opt_arg(), 0); |
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_RSAPUBKEY_IN: | |
0f113f3e | 138 | pubin = 2; |
7e1b7485 RS |
139 | break; |
140 | case OPT_RSAPUBKEY_OUT: | |
0f113f3e | 141 | pubout = 2; |
7e1b7485 | 142 | break; |
e7917e38 F |
143 | case OPT_PVK_STRONG: /* pvk_encr:= 2 */ |
144 | case OPT_PVK_WEAK: /* pvk_encr:= 1 */ | |
145 | case OPT_PVK_NONE: /* pvk_encr:= 0 */ | |
83ae8124 | 146 | # if !defined(OPENSSL_NO_DSA) && !defined(OPENSSL_NO_RC4) |
e7917e38 | 147 | pvk_encr = (o - OPT_PVK_NONE); |
e5452d40 | 148 | # endif |
e7917e38 | 149 | break; |
7e1b7485 | 150 | case OPT_NOOUT: |
0f113f3e | 151 | noout = 1; |
7e1b7485 RS |
152 | break; |
153 | case OPT_TEXT: | |
0f113f3e | 154 | text = 1; |
7e1b7485 RS |
155 | break; |
156 | case OPT_MODULUS: | |
0f113f3e | 157 | modulus = 1; |
7e1b7485 RS |
158 | break; |
159 | case OPT_CHECK: | |
0f113f3e | 160 | check = 1; |
7e1b7485 RS |
161 | break; |
162 | case OPT_CIPHER: | |
163 | if (!opt_cipher(opt_unknown(), &enc)) | |
164 | goto opthelp; | |
0f113f3e | 165 | break; |
6bd4e3f2 P |
166 | case OPT_PROV_CASES: |
167 | if (!opt_provider(o)) | |
168 | goto end; | |
169 | break; | |
0f113f3e | 170 | } |
0f113f3e | 171 | } |
7e1b7485 | 172 | argc = opt_num_rest(); |
03358517 KR |
173 | if (argc != 0) |
174 | goto opthelp; | |
175 | ||
7eff6aa0 | 176 | private = (text && !pubin) || (!pubout && !noout) ? 1 : 0; |
0f113f3e | 177 | |
7e1b7485 | 178 | if (!app_passwd(passinarg, passoutarg, &passin, &passout)) { |
0f113f3e MC |
179 | BIO_printf(bio_err, "Error getting passwords\n"); |
180 | goto end; | |
181 | } | |
0f113f3e MC |
182 | if (check && pubin) { |
183 | BIO_printf(bio_err, "Only private keys can be checked\n"); | |
184 | goto end; | |
185 | } | |
186 | ||
0f113f3e MC |
187 | { |
188 | EVP_PKEY *pkey; | |
189 | ||
190 | if (pubin) { | |
191 | int tmpformat = -1; | |
192 | if (pubin == 2) { | |
193 | if (informat == FORMAT_PEM) | |
194 | tmpformat = FORMAT_PEMRSA; | |
195 | else if (informat == FORMAT_ASN1) | |
196 | tmpformat = FORMAT_ASN1RSA; | |
2234212c | 197 | } else { |
0f113f3e | 198 | tmpformat = informat; |
2234212c | 199 | } |
0f113f3e | 200 | |
7e1b7485 | 201 | pkey = load_pubkey(infile, tmpformat, 1, passin, e, "Public Key"); |
2234212c | 202 | } else { |
7e1b7485 | 203 | pkey = load_key(infile, informat, 1, passin, e, "Private Key"); |
2234212c | 204 | } |
0f113f3e MC |
205 | |
206 | if (pkey != NULL) | |
207 | rsa = EVP_PKEY_get1_RSA(pkey); | |
208 | EVP_PKEY_free(pkey); | |
209 | } | |
210 | ||
211 | if (rsa == NULL) { | |
212 | ERR_print_errors(bio_err); | |
213 | goto end; | |
214 | } | |
215 | ||
bdd58d98 | 216 | out = bio_open_owner(outfile, outformat, private); |
7e1b7485 RS |
217 | if (out == NULL) |
218 | goto end; | |
0f113f3e | 219 | |
3b061a00 | 220 | if (text) { |
7eff6aa0 | 221 | assert(pubin || private); |
0f113f3e MC |
222 | if (!RSA_print(out, rsa, 0)) { |
223 | perror(outfile); | |
224 | ERR_print_errors(bio_err); | |
225 | goto end; | |
226 | } | |
3b061a00 | 227 | } |
0f113f3e MC |
228 | |
229 | if (modulus) { | |
2ac6115d | 230 | const BIGNUM *n; |
9862e9aa | 231 | RSA_get0_key(rsa, &n, NULL, NULL); |
0f113f3e | 232 | BIO_printf(out, "Modulus="); |
9862e9aa | 233 | BN_print(out, n); |
0f113f3e MC |
234 | BIO_printf(out, "\n"); |
235 | } | |
236 | ||
237 | if (check) { | |
03883e7e | 238 | int r = RSA_check_key_ex(rsa, NULL); |
0f113f3e | 239 | |
2234212c | 240 | if (r == 1) { |
0f113f3e | 241 | BIO_printf(out, "RSA key ok\n"); |
2234212c | 242 | } else if (r == 0) { |
0f113f3e MC |
243 | unsigned long err; |
244 | ||
245 | while ((err = ERR_peek_error()) != 0 && | |
246 | ERR_GET_LIB(err) == ERR_LIB_RSA && | |
0f113f3e MC |
247 | ERR_GET_REASON(err) != ERR_R_MALLOC_FAILURE) { |
248 | BIO_printf(out, "RSA key error: %s\n", | |
249 | ERR_reason_error_string(err)); | |
67d4fee8 | 250 | ERR_get_error(); /* remove err from error stack */ |
0f113f3e | 251 | } |
63db6b77 | 252 | } else if (r == -1) { |
0f113f3e MC |
253 | ERR_print_errors(bio_err); |
254 | goto end; | |
255 | } | |
256 | } | |
257 | ||
258 | if (noout) { | |
259 | ret = 0; | |
260 | goto end; | |
261 | } | |
262 | BIO_printf(bio_err, "writing RSA key\n"); | |
263 | if (outformat == FORMAT_ASN1) { | |
264 | if (pubout || pubin) { | |
265 | if (pubout == 2) | |
266 | i = i2d_RSAPublicKey_bio(out, rsa); | |
267 | else | |
268 | i = i2d_RSA_PUBKEY_bio(out, rsa); | |
3b061a00 RS |
269 | } else { |
270 | assert(private); | |
0f113f3e | 271 | i = i2d_RSAPrivateKey_bio(out, rsa); |
3b061a00 | 272 | } |
2234212c | 273 | } else if (outformat == FORMAT_PEM) { |
0f113f3e MC |
274 | if (pubout || pubin) { |
275 | if (pubout == 2) | |
276 | i = PEM_write_bio_RSAPublicKey(out, rsa); | |
277 | else | |
278 | i = PEM_write_bio_RSA_PUBKEY(out, rsa); | |
3b061a00 RS |
279 | } else { |
280 | assert(private); | |
0f113f3e MC |
281 | i = PEM_write_bio_RSAPrivateKey(out, rsa, |
282 | enc, NULL, 0, NULL, passout); | |
3b061a00 | 283 | } |
b6c68982 | 284 | # ifndef OPENSSL_NO_DSA |
0f113f3e MC |
285 | } else if (outformat == FORMAT_MSBLOB || outformat == FORMAT_PVK) { |
286 | EVP_PKEY *pk; | |
287 | pk = EVP_PKEY_new(); | |
d896b79b MA |
288 | if (pk == NULL) |
289 | goto end; | |
290 | ||
0f113f3e | 291 | EVP_PKEY_set1_RSA(pk, rsa); |
7eff6aa0 VD |
292 | if (outformat == FORMAT_PVK) { |
293 | if (pubin) { | |
294 | BIO_printf(bio_err, "PVK form impossible with public key input\n"); | |
295 | EVP_PKEY_free(pk); | |
296 | goto end; | |
297 | } | |
298 | assert(private); | |
b6c68982 DSH |
299 | # ifdef OPENSSL_NO_RC4 |
300 | BIO_printf(bio_err, "PVK format not supported\n"); | |
301 | EVP_PKEY_free(pk); | |
302 | goto end; | |
303 | # else | |
0f113f3e | 304 | i = i2b_PVK_bio(out, pk, pvk_encr, 0, passout); |
b6c68982 | 305 | # endif |
7eff6aa0 | 306 | } else if (pubin || pubout) { |
0f113f3e | 307 | i = i2b_PublicKey_bio(out, pk); |
7eff6aa0 | 308 | } else { |
3b061a00 | 309 | assert(private); |
0f113f3e | 310 | i = i2b_PrivateKey_bio(out, pk); |
3b061a00 | 311 | } |
0f113f3e MC |
312 | EVP_PKEY_free(pk); |
313 | # endif | |
314 | } else { | |
315 | BIO_printf(bio_err, "bad output format specified for outfile\n"); | |
316 | goto end; | |
317 | } | |
318 | if (i <= 0) { | |
319 | BIO_printf(bio_err, "unable to write key\n"); | |
320 | ERR_print_errors(bio_err); | |
2234212c | 321 | } else { |
0f113f3e | 322 | ret = 0; |
2234212c | 323 | } |
0f113f3e | 324 | end: |
dd1abd44 | 325 | release_engine(e); |
ca3a82c3 | 326 | BIO_free_all(out); |
d6407083 | 327 | RSA_free(rsa); |
b548a1f1 RS |
328 | OPENSSL_free(passin); |
329 | OPENSSL_free(passout); | |
26a7d938 | 330 | return ret; |
0f113f3e | 331 | } |
f5d7a031 | 332 | #endif |