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846e33c7 | 1 | /* |
2234212c | 2 | * Copyright 1995-2017 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 | |
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" | |
20 | # include <openssl/bio.h> | |
21 | # include <openssl/err.h> | |
22 | # include <openssl/rsa.h> | |
23 | # include <openssl/evp.h> | |
24 | # include <openssl/x509.h> | |
25 | # include <openssl/pem.h> | |
26 | # include <openssl/bn.h> | |
27 | ||
7e1b7485 RS |
28 | typedef enum OPTION_choice { |
29 | OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, | |
30 | OPT_INFORM, OPT_OUTFORM, OPT_ENGINE, OPT_IN, OPT_OUT, | |
31 | OPT_PUBIN, OPT_PUBOUT, OPT_PASSOUT, OPT_PASSIN, | |
e7917e38 F |
32 | OPT_RSAPUBKEY_IN, OPT_RSAPUBKEY_OUT, |
33 | /* Do not change the order here; see case statements below */ | |
34 | OPT_PVK_NONE, OPT_PVK_WEAK, OPT_PVK_STRONG, | |
35 | OPT_NOOUT, OPT_TEXT, OPT_MODULUS, OPT_CHECK, OPT_CIPHER | |
7e1b7485 RS |
36 | } OPTION_CHOICE; |
37 | ||
44c83ebd | 38 | const OPTIONS rsa_options[] = { |
7e1b7485 RS |
39 | {"help", OPT_HELP, '-', "Display this summary"}, |
40 | {"inform", OPT_INFORM, 'f', "Input format, one of DER NET PEM"}, | |
41 | {"outform", OPT_OUTFORM, 'f', "Output format, one of DER NET PEM PVK"}, | |
dd958974 | 42 | {"in", OPT_IN, 's', "Input file"}, |
7e1b7485 RS |
43 | {"out", OPT_OUT, '>', "Output file"}, |
44 | {"pubin", OPT_PUBIN, '-', "Expect a public key in input file"}, | |
45 | {"pubout", OPT_PUBOUT, '-', "Output a public key"}, | |
46 | {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"}, | |
47 | {"passin", OPT_PASSIN, 's', "Input file pass phrase source"}, | |
bc2f5803 RS |
48 | {"RSAPublicKey_in", OPT_RSAPUBKEY_IN, '-', "Input is an RSAPublicKey"}, |
49 | {"RSAPublicKey_out", OPT_RSAPUBKEY_OUT, '-', "Output is an RSAPublicKey"}, | |
7e1b7485 RS |
50 | {"noout", OPT_NOOUT, '-', "Don't print key out"}, |
51 | {"text", OPT_TEXT, '-', "Print the key in text"}, | |
52 | {"modulus", OPT_MODULUS, '-', "Print the RSA key modulus"}, | |
53 | {"check", OPT_CHECK, '-', "Verify key consistency"}, | |
54 | {"", OPT_CIPHER, '-', "Any supported cipher"}, | |
e5452d40 | 55 | # if !defined(OPENSSL_NO_DSA) && !defined(OPENSSL_NO_RC4) |
e7917e38 F |
56 | {"pvk-strong", OPT_PVK_STRONG, '-', "Enable 'Strong' PVK encoding level (default)"}, |
57 | {"pvk-weak", OPT_PVK_WEAK, '-', "Enable 'Weak' PVK encoding level"}, | |
58 | {"pvk-none", OPT_PVK_NONE, '-', "Don't enforce PVK encoding"}, | |
9c3bcfa0 | 59 | # endif |
7e1b7485 RS |
60 | # ifndef OPENSSL_NO_ENGINE |
61 | {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, | |
62 | # endif | |
63 | {NULL} | |
64 | }; | |
667ac4ec | 65 | |
7e1b7485 | 66 | int rsa_main(int argc, char **argv) |
0f113f3e MC |
67 | { |
68 | ENGINE *e = NULL; | |
7e1b7485 | 69 | BIO *out = NULL; |
0f113f3e | 70 | RSA *rsa = NULL; |
0f113f3e | 71 | const EVP_CIPHER *enc = NULL; |
333b070e | 72 | char *infile = NULL, *outfile = NULL, *prog; |
7e1b7485 | 73 | char *passin = NULL, *passout = NULL, *passinarg = NULL, *passoutarg = NULL; |
3b061a00 | 74 | int i, private = 0; |
7e1b7485 | 75 | int informat = FORMAT_PEM, outformat = FORMAT_PEM, text = 0, check = 0; |
83ae8124 MC |
76 | int noout = 0, modulus = 0, pubin = 0, pubout = 0, ret = 1; |
77 | # if !defined(OPENSSL_NO_DSA) && !defined(OPENSSL_NO_RC4) | |
78 | int pvk_encr = 2; | |
e5452d40 | 79 | # endif |
7e1b7485 RS |
80 | OPTION_CHOICE o; |
81 | ||
82 | prog = opt_init(argc, argv, rsa_options); | |
83 | while ((o = opt_next()) != OPT_EOF) { | |
84 | switch (o) { | |
85 | case OPT_EOF: | |
86 | case OPT_ERR: | |
7e1b7485 RS |
87 | opthelp: |
88 | BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); | |
89 | goto end; | |
90 | case OPT_HELP: | |
91 | opt_help(rsa_options); | |
92 | ret = 0; | |
93 | goto end; | |
94 | case OPT_INFORM: | |
95 | if (!opt_format(opt_arg(), OPT_FMT_ANY, &informat)) | |
96 | goto opthelp; | |
97 | break; | |
98 | case OPT_IN: | |
99 | infile = opt_arg(); | |
100 | break; | |
101 | case OPT_OUTFORM: | |
102 | if (!opt_format(opt_arg(), OPT_FMT_ANY, &outformat)) | |
103 | goto opthelp; | |
104 | break; | |
105 | case OPT_OUT: | |
106 | outfile = opt_arg(); | |
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_ENGINE: | |
333b070e | 115 | e = setup_engine(opt_arg(), 0); |
7e1b7485 RS |
116 | break; |
117 | case OPT_PUBIN: | |
0f113f3e | 118 | pubin = 1; |
7e1b7485 RS |
119 | break; |
120 | case OPT_PUBOUT: | |
0f113f3e | 121 | pubout = 1; |
7e1b7485 RS |
122 | break; |
123 | case OPT_RSAPUBKEY_IN: | |
0f113f3e | 124 | pubin = 2; |
7e1b7485 RS |
125 | break; |
126 | case OPT_RSAPUBKEY_OUT: | |
0f113f3e | 127 | pubout = 2; |
7e1b7485 | 128 | break; |
e7917e38 F |
129 | case OPT_PVK_STRONG: /* pvk_encr:= 2 */ |
130 | case OPT_PVK_WEAK: /* pvk_encr:= 1 */ | |
131 | case OPT_PVK_NONE: /* pvk_encr:= 0 */ | |
83ae8124 | 132 | # if !defined(OPENSSL_NO_DSA) && !defined(OPENSSL_NO_RC4) |
e7917e38 | 133 | pvk_encr = (o - OPT_PVK_NONE); |
e5452d40 | 134 | # endif |
e7917e38 | 135 | break; |
7e1b7485 | 136 | case OPT_NOOUT: |
0f113f3e | 137 | noout = 1; |
7e1b7485 RS |
138 | break; |
139 | case OPT_TEXT: | |
0f113f3e | 140 | text = 1; |
7e1b7485 RS |
141 | break; |
142 | case OPT_MODULUS: | |
0f113f3e | 143 | modulus = 1; |
7e1b7485 RS |
144 | break; |
145 | case OPT_CHECK: | |
0f113f3e | 146 | check = 1; |
7e1b7485 RS |
147 | break; |
148 | case OPT_CIPHER: | |
149 | if (!opt_cipher(opt_unknown(), &enc)) | |
150 | goto opthelp; | |
0f113f3e MC |
151 | break; |
152 | } | |
0f113f3e | 153 | } |
7e1b7485 | 154 | argc = opt_num_rest(); |
03358517 KR |
155 | if (argc != 0) |
156 | goto opthelp; | |
157 | ||
7eff6aa0 | 158 | private = (text && !pubin) || (!pubout && !noout) ? 1 : 0; |
0f113f3e | 159 | |
7e1b7485 | 160 | if (!app_passwd(passinarg, passoutarg, &passin, &passout)) { |
0f113f3e MC |
161 | BIO_printf(bio_err, "Error getting passwords\n"); |
162 | goto end; | |
163 | } | |
0f113f3e MC |
164 | if (check && pubin) { |
165 | BIO_printf(bio_err, "Only private keys can be checked\n"); | |
166 | goto end; | |
167 | } | |
168 | ||
0f113f3e MC |
169 | { |
170 | EVP_PKEY *pkey; | |
171 | ||
172 | if (pubin) { | |
173 | int tmpformat = -1; | |
174 | if (pubin == 2) { | |
175 | if (informat == FORMAT_PEM) | |
176 | tmpformat = FORMAT_PEMRSA; | |
177 | else if (informat == FORMAT_ASN1) | |
178 | tmpformat = FORMAT_ASN1RSA; | |
2234212c | 179 | } else { |
0f113f3e | 180 | tmpformat = informat; |
2234212c | 181 | } |
0f113f3e | 182 | |
7e1b7485 | 183 | pkey = load_pubkey(infile, tmpformat, 1, passin, e, "Public Key"); |
2234212c | 184 | } else { |
7e1b7485 | 185 | pkey = load_key(infile, informat, 1, passin, e, "Private Key"); |
2234212c | 186 | } |
0f113f3e MC |
187 | |
188 | if (pkey != NULL) | |
189 | rsa = EVP_PKEY_get1_RSA(pkey); | |
190 | EVP_PKEY_free(pkey); | |
191 | } | |
192 | ||
193 | if (rsa == NULL) { | |
194 | ERR_print_errors(bio_err); | |
195 | goto end; | |
196 | } | |
197 | ||
bdd58d98 | 198 | out = bio_open_owner(outfile, outformat, private); |
7e1b7485 RS |
199 | if (out == NULL) |
200 | goto end; | |
0f113f3e | 201 | |
3b061a00 | 202 | if (text) { |
7eff6aa0 | 203 | assert(pubin || private); |
0f113f3e MC |
204 | if (!RSA_print(out, rsa, 0)) { |
205 | perror(outfile); | |
206 | ERR_print_errors(bio_err); | |
207 | goto end; | |
208 | } | |
3b061a00 | 209 | } |
0f113f3e MC |
210 | |
211 | if (modulus) { | |
2ac6115d | 212 | const BIGNUM *n; |
9862e9aa | 213 | RSA_get0_key(rsa, &n, NULL, NULL); |
0f113f3e | 214 | BIO_printf(out, "Modulus="); |
9862e9aa | 215 | BN_print(out, n); |
0f113f3e MC |
216 | BIO_printf(out, "\n"); |
217 | } | |
218 | ||
219 | if (check) { | |
220 | int r = RSA_check_key(rsa); | |
221 | ||
2234212c | 222 | if (r == 1) { |
0f113f3e | 223 | BIO_printf(out, "RSA key ok\n"); |
2234212c | 224 | } else if (r == 0) { |
0f113f3e MC |
225 | unsigned long err; |
226 | ||
227 | while ((err = ERR_peek_error()) != 0 && | |
228 | ERR_GET_LIB(err) == ERR_LIB_RSA && | |
229 | ERR_GET_FUNC(err) == RSA_F_RSA_CHECK_KEY && | |
230 | ERR_GET_REASON(err) != ERR_R_MALLOC_FAILURE) { | |
231 | BIO_printf(out, "RSA key error: %s\n", | |
232 | ERR_reason_error_string(err)); | |
233 | ERR_get_error(); /* remove e from error stack */ | |
234 | } | |
63db6b77 | 235 | } else if (r == -1) { |
0f113f3e MC |
236 | ERR_print_errors(bio_err); |
237 | goto end; | |
238 | } | |
239 | } | |
240 | ||
241 | if (noout) { | |
242 | ret = 0; | |
243 | goto end; | |
244 | } | |
245 | BIO_printf(bio_err, "writing RSA key\n"); | |
246 | if (outformat == FORMAT_ASN1) { | |
247 | if (pubout || pubin) { | |
248 | if (pubout == 2) | |
249 | i = i2d_RSAPublicKey_bio(out, rsa); | |
250 | else | |
251 | i = i2d_RSA_PUBKEY_bio(out, rsa); | |
3b061a00 RS |
252 | } else { |
253 | assert(private); | |
0f113f3e | 254 | i = i2d_RSAPrivateKey_bio(out, rsa); |
3b061a00 | 255 | } |
2234212c | 256 | } else if (outformat == FORMAT_PEM) { |
0f113f3e MC |
257 | if (pubout || pubin) { |
258 | if (pubout == 2) | |
259 | i = PEM_write_bio_RSAPublicKey(out, rsa); | |
260 | else | |
261 | i = PEM_write_bio_RSA_PUBKEY(out, rsa); | |
3b061a00 RS |
262 | } else { |
263 | assert(private); | |
0f113f3e MC |
264 | i = PEM_write_bio_RSAPrivateKey(out, rsa, |
265 | enc, NULL, 0, NULL, passout); | |
3b061a00 | 266 | } |
b6c68982 | 267 | # ifndef OPENSSL_NO_DSA |
0f113f3e MC |
268 | } else if (outformat == FORMAT_MSBLOB || outformat == FORMAT_PVK) { |
269 | EVP_PKEY *pk; | |
270 | pk = EVP_PKEY_new(); | |
271 | EVP_PKEY_set1_RSA(pk, rsa); | |
7eff6aa0 VD |
272 | if (outformat == FORMAT_PVK) { |
273 | if (pubin) { | |
274 | BIO_printf(bio_err, "PVK form impossible with public key input\n"); | |
275 | EVP_PKEY_free(pk); | |
276 | goto end; | |
277 | } | |
278 | assert(private); | |
b6c68982 DSH |
279 | # ifdef OPENSSL_NO_RC4 |
280 | BIO_printf(bio_err, "PVK format not supported\n"); | |
281 | EVP_PKEY_free(pk); | |
282 | goto end; | |
283 | # else | |
0f113f3e | 284 | i = i2b_PVK_bio(out, pk, pvk_encr, 0, passout); |
b6c68982 | 285 | # endif |
7eff6aa0 | 286 | } else if (pubin || pubout) { |
0f113f3e | 287 | i = i2b_PublicKey_bio(out, pk); |
7eff6aa0 | 288 | } else { |
3b061a00 | 289 | assert(private); |
0f113f3e | 290 | i = i2b_PrivateKey_bio(out, pk); |
3b061a00 | 291 | } |
0f113f3e MC |
292 | EVP_PKEY_free(pk); |
293 | # endif | |
294 | } else { | |
295 | BIO_printf(bio_err, "bad output format specified for outfile\n"); | |
296 | goto end; | |
297 | } | |
298 | if (i <= 0) { | |
299 | BIO_printf(bio_err, "unable to write key\n"); | |
300 | ERR_print_errors(bio_err); | |
2234212c | 301 | } else { |
0f113f3e | 302 | ret = 0; |
2234212c | 303 | } |
0f113f3e | 304 | end: |
dd1abd44 | 305 | release_engine(e); |
ca3a82c3 | 306 | BIO_free_all(out); |
d6407083 | 307 | RSA_free(rsa); |
b548a1f1 RS |
308 | OPENSSL_free(passin); |
309 | OPENSSL_free(passout); | |
7e1b7485 | 310 | return (ret); |
0f113f3e | 311 | } |
f5d7a031 | 312 | #endif |