VirtualBox

source: vbox/trunk/src/libs/openssl-1.1.1l/apps/rsa.c@ 93560

最後變更 在這個檔案從93560是 91772,由 vboxsync 提交於 3 年 前

openssl-1.1.1l: Applied and adjusted our OpenSSL changes to 1.1.1l. bugref:10126
檔案大小: 9.3 KB
行 
1/*
2 * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
3 *
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
8 */
9
10#include <openssl/opensslconf.h>
11#include <stdio.h>
12#include <stdlib.h>
13#include <string.h>
14#include <time.h>
15#include "apps.h"
16#include "progs.h"
17#include <openssl/bio.h>
18#include <openssl/err.h>
19#include <openssl/rsa.h>
20#include <openssl/evp.h>
21#include <openssl/x509.h>
22#include <openssl/pem.h>
23#include <openssl/bn.h>
24
25typedef enum OPTION_choice {
26 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
27 OPT_INFORM, OPT_OUTFORM, OPT_ENGINE, OPT_IN, OPT_OUT,
28 OPT_PUBIN, OPT_PUBOUT, OPT_PASSOUT, OPT_PASSIN,
29 OPT_RSAPUBKEY_IN, OPT_RSAPUBKEY_OUT,
30 /* Do not change the order here; see case statements below */
31 OPT_PVK_NONE, OPT_PVK_WEAK, OPT_PVK_STRONG,
32 OPT_NOOUT, OPT_TEXT, OPT_MODULUS, OPT_CHECK, OPT_CIPHER
33} OPTION_CHOICE;
34
35const OPTIONS rsa_options[] = {
36 {"help", OPT_HELP, '-', "Display this summary"},
37 {"inform", OPT_INFORM, 'f', "Input format, one of DER PEM"},
38 {"outform", OPT_OUTFORM, 'f', "Output format, one of DER PEM PVK"},
39 {"in", OPT_IN, 's', "Input file"},
40 {"out", OPT_OUT, '>', "Output file"},
41 {"pubin", OPT_PUBIN, '-', "Expect a public key in input file"},
42 {"pubout", OPT_PUBOUT, '-', "Output a public key"},
43 {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
44 {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
45 {"RSAPublicKey_in", OPT_RSAPUBKEY_IN, '-', "Input is an RSAPublicKey"},
46 {"RSAPublicKey_out", OPT_RSAPUBKEY_OUT, '-', "Output is an RSAPublicKey"},
47 {"noout", OPT_NOOUT, '-', "Don't print key out"},
48 {"text", OPT_TEXT, '-', "Print the key in text"},
49 {"modulus", OPT_MODULUS, '-', "Print the RSA key modulus"},
50 {"check", OPT_CHECK, '-', "Verify key consistency"},
51 {"", OPT_CIPHER, '-', "Any supported cipher"},
52#if !defined(OPENSSL_NO_DSA) && !defined(OPENSSL_NO_RC4)
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"},
56#endif
57#ifndef OPENSSL_NO_ENGINE
58 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
59#endif
60 {NULL}
61};
62
63int rsa_main(int argc, char **argv)
64{
65 ENGINE *e = NULL;
66 BIO *out = NULL;
67 RSA *rsa = NULL;
68 const EVP_CIPHER *enc = NULL;
69 char *infile = NULL, *outfile = NULL, *prog;
70 char *passin = NULL, *passout = NULL, *passinarg = NULL, *passoutarg = NULL;
71 int i, private = 0;
72 int informat = FORMAT_PEM, outformat = FORMAT_PEM, text = 0, check = 0;
73 int noout = 0, modulus = 0, pubin = 0, pubout = 0, ret = 1;
74#if !defined(OPENSSL_NO_DSA) && !defined(OPENSSL_NO_RC4)
75 int pvk_encr = 2;
76#endif
77 OPTION_CHOICE o;
78
79 prog = opt_init(argc, argv, rsa_options);
80 while ((o = opt_next()) != OPT_EOF) {
81 switch (o) {
82 case OPT_EOF:
83 case OPT_ERR:
84 opthelp:
85 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
86 goto end;
87 case OPT_HELP:
88 opt_help(rsa_options);
89 ret = 0;
90 goto end;
91 case OPT_INFORM:
92 if (!opt_format(opt_arg(), OPT_FMT_ANY, &informat))
93 goto opthelp;
94 break;
95 case OPT_IN:
96 infile = opt_arg();
97 break;
98 case OPT_OUTFORM:
99 if (!opt_format(opt_arg(), OPT_FMT_ANY, &outformat))
100 goto opthelp;
101 break;
102 case OPT_OUT:
103 outfile = opt_arg();
104 break;
105 case OPT_PASSIN:
106 passinarg = opt_arg();
107 break;
108 case OPT_PASSOUT:
109 passoutarg = opt_arg();
110 break;
111 case OPT_ENGINE:
112 e = setup_engine(opt_arg(), 0);
113 break;
114 case OPT_PUBIN:
115 pubin = 1;
116 break;
117 case OPT_PUBOUT:
118 pubout = 1;
119 break;
120 case OPT_RSAPUBKEY_IN:
121 pubin = 2;
122 break;
123 case OPT_RSAPUBKEY_OUT:
124 pubout = 2;
125 break;
126 case OPT_PVK_STRONG: /* pvk_encr:= 2 */
127 case OPT_PVK_WEAK: /* pvk_encr:= 1 */
128 case OPT_PVK_NONE: /* pvk_encr:= 0 */
129#if !defined(OPENSSL_NO_DSA) && !defined(OPENSSL_NO_RC4)
130 pvk_encr = (o - OPT_PVK_NONE);
131#endif
132 break;
133 case OPT_NOOUT:
134 noout = 1;
135 break;
136 case OPT_TEXT:
137 text = 1;
138 break;
139 case OPT_MODULUS:
140 modulus = 1;
141 break;
142 case OPT_CHECK:
143 check = 1;
144 break;
145 case OPT_CIPHER:
146 if (!opt_cipher(opt_unknown(), &enc))
147 goto opthelp;
148 break;
149 }
150 }
151 argc = opt_num_rest();
152 if (argc != 0)
153 goto opthelp;
154
155 private = (text && !pubin) || (!pubout && !noout) ? 1 : 0;
156
157 if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
158 BIO_printf(bio_err, "Error getting passwords\n");
159 goto end;
160 }
161 if (check && pubin) {
162 BIO_printf(bio_err, "Only private keys can be checked\n");
163 goto end;
164 }
165
166 {
167 EVP_PKEY *pkey;
168
169 if (pubin) {
170 int tmpformat = -1;
171 if (pubin == 2) {
172 if (informat == FORMAT_PEM)
173 tmpformat = FORMAT_PEMRSA;
174 else if (informat == FORMAT_ASN1)
175 tmpformat = FORMAT_ASN1RSA;
176 } else {
177 tmpformat = informat;
178 }
179
180 pkey = load_pubkey(infile, tmpformat, 1, passin, e, "Public Key");
181 } else {
182 pkey = load_key(infile, informat, 1, passin, e, "Private Key");
183 }
184
185 if (pkey != NULL)
186 rsa = EVP_PKEY_get1_RSA(pkey);
187 EVP_PKEY_free(pkey);
188 }
189
190 if (rsa == NULL) {
191 ERR_print_errors(bio_err);
192 goto end;
193 }
194
195 out = bio_open_owner(outfile, outformat, private);
196 if (out == NULL)
197 goto end;
198
199 if (text) {
200 assert(pubin || private);
201 if (!RSA_print(out, rsa, 0)) {
202 perror(outfile);
203 ERR_print_errors(bio_err);
204 goto end;
205 }
206 }
207
208 if (modulus) {
209 const BIGNUM *n;
210 RSA_get0_key(rsa, &n, NULL, NULL);
211 BIO_printf(out, "Modulus=");
212 BN_print(out, n);
213 BIO_printf(out, "\n");
214 }
215
216 if (check) {
217 int r = RSA_check_key_ex(rsa, NULL);
218
219 if (r == 1) {
220 BIO_printf(out, "RSA key ok\n");
221 } else if (r == 0) {
222 unsigned long err;
223
224 while ((err = ERR_peek_error()) != 0 &&
225 ERR_GET_LIB(err) == ERR_LIB_RSA &&
226 ERR_GET_FUNC(err) == RSA_F_RSA_CHECK_KEY_EX &&
227 ERR_GET_REASON(err) != ERR_R_MALLOC_FAILURE) {
228 BIO_printf(out, "RSA key error: %s\n",
229 ERR_reason_error_string(err));
230 ERR_get_error(); /* remove err from error stack */
231 }
232 } else if (r == -1) {
233 ERR_print_errors(bio_err);
234 goto end;
235 }
236 }
237
238 if (noout) {
239 ret = 0;
240 goto end;
241 }
242 BIO_printf(bio_err, "writing RSA key\n");
243 if (outformat == FORMAT_ASN1) {
244 if (pubout || pubin) {
245 if (pubout == 2)
246 i = i2d_RSAPublicKey_bio(out, rsa);
247 else
248 i = i2d_RSA_PUBKEY_bio(out, rsa);
249 } else {
250 assert(private);
251 i = i2d_RSAPrivateKey_bio(out, rsa);
252 }
253 } else if (outformat == FORMAT_PEM) {
254 if (pubout || pubin) {
255 if (pubout == 2)
256 i = PEM_write_bio_RSAPublicKey(out, rsa);
257 else
258 i = PEM_write_bio_RSA_PUBKEY(out, rsa);
259 } else {
260 assert(private);
261 i = PEM_write_bio_RSAPrivateKey(out, rsa,
262 enc, NULL, 0, NULL, passout);
263 }
264#ifndef OPENSSL_NO_DSA
265 } else if (outformat == FORMAT_MSBLOB || outformat == FORMAT_PVK) {
266 EVP_PKEY *pk;
267 pk = EVP_PKEY_new();
268 if (pk == NULL)
269 goto end;
270
271 EVP_PKEY_set1_RSA(pk, rsa);
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);
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
284 i = i2b_PVK_bio(out, pk, pvk_encr, 0, passout);
285# endif
286 } else if (pubin || pubout) {
287 i = i2b_PublicKey_bio(out, pk);
288 } else {
289 assert(private);
290 i = i2b_PrivateKey_bio(out, pk);
291 }
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);
301 } else {
302 ret = 0;
303 }
304 end:
305 release_engine(e);
306 BIO_free_all(out);
307 RSA_free(rsa);
308 OPENSSL_free(passin);
309 OPENSSL_free(passout);
310 return ret;
311}
注意: 瀏覽 TracBrowser 來幫助您使用儲存庫瀏覽器

© 2024 Oracle Support Privacy / Do Not Sell My Info Terms of Use Trademark Policy Automated Access Etiquette