2 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
5 /* ====================================================================
6 * Copyright (c) 2000 The OpenSSL Project. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
34 * 6. Redistributions of any form whatsoever must retain the following
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
59 #include <openssl/opensslconf.h>
61 NON_EMPTY_TRANSLATION_UNIT
66 # include <openssl/err.h>
67 # include <openssl/pem.h>
68 # include <openssl/rsa.h>
72 # define RSA_ENCRYPT 3
73 # define RSA_DECRYPT 4
75 # define KEY_PRIVKEY 1
79 typedef enum OPTION_choice
{
80 OPT_ERR
= -1, OPT_EOF
= 0, OPT_HELP
,
81 OPT_ENGINE
, OPT_IN
, OPT_OUT
, OPT_ASN1PARSE
, OPT_HEXDUMP
,
82 OPT_RAW
, OPT_OAEP
, OPT_SSL
, OPT_PKCS
, OPT_X931
,
83 OPT_SIGN
, OPT_VERIFY
, OPT_REV
, OPT_ENCRYPT
, OPT_DECRYPT
,
84 OPT_PUBIN
, OPT_CERTIN
, OPT_INKEY
, OPT_PASSIN
, OPT_KEYFORM
87 OPTIONS rsautl_options
[] = {
88 {"help", OPT_HELP
, '-', "Display this summary"},
89 {"in", OPT_IN
, '<', "Input file"},
90 {"out", OPT_OUT
, '>', "Output file"},
91 {"inkey", OPT_INKEY
, 's', "Input key"},
92 {"keyform", OPT_KEYFORM
, 'E', "Private key format - default PEM"},
93 {"pubin", OPT_PUBIN
, '-', "Input is an RSA public"},
94 {"certin", OPT_CERTIN
, '-', "Input is a cert carrying an RSA public key"},
95 {"ssl", OPT_SSL
, '-', "Use SSL v2 padding"},
96 {"raw", OPT_RAW
, '-', "Use no padding"},
97 {"pkcs", OPT_PKCS
, '-', "Use PKCS#1 v1.5 padding (default)"},
98 {"oaep", OPT_OAEP
, '-', "Use PKCS#1 OAEP"},
99 {"sign", OPT_SIGN
, '-', "Sign with private key"},
100 {"verify", OPT_VERIFY
, '-', "Verify with public key"},
101 {"asn1parse", OPT_ASN1PARSE
, '-'},
102 {"hexdump", OPT_HEXDUMP
, '-', "Hex dump output"},
103 {"x931", OPT_X931
, '-', "Use ANSI X9.31 padding"},
104 {"rev", OPT_REV
, '-'},
105 {"encrypt", OPT_ENCRYPT
, '-', "Encrypt with public key"},
106 {"decrypt", OPT_DECRYPT
, '-', "Decrypt with private key"},
107 {"passin", OPT_PASSIN
, 's', "Pass phrase source"},
108 # ifndef OPENSSL_NO_ENGINE
109 {"engine", OPT_ENGINE
, 's', "Use engine, possibly a hardware device"},
114 int rsautl_main(int argc
, char **argv
)
116 BIO
*in
= NULL
, *out
= NULL
;
118 EVP_PKEY
*pkey
= NULL
;
121 char *infile
= NULL
, *outfile
= NULL
, *keyfile
= NULL
;
122 char *passinarg
= NULL
, *passin
= NULL
, *prog
;
123 char rsa_mode
= RSA_VERIFY
, key_type
= KEY_PRIVKEY
;
124 unsigned char *rsa_in
= NULL
, *rsa_out
= NULL
, pad
= RSA_PKCS1_PADDING
;
125 int rsa_inlen
, keyformat
= FORMAT_PEM
, keysize
, ret
= 1;
126 int rsa_outlen
= 0, hexdump
= 0, asn1parse
= 0, need_priv
= 0, rev
= 0;
129 prog
= opt_init(argc
, argv
, rsautl_options
);
130 while ((o
= opt_next()) != OPT_EOF
) {
135 BIO_printf(bio_err
, "%s: Use -help for summary.\n", prog
);
138 opt_help(rsautl_options
);
142 if (!opt_format(opt_arg(), OPT_FMT_PDE
, &keyformat
))
152 e
= setup_engine(opt_arg(), 0);
161 pad
= RSA_NO_PADDING
;
164 pad
= RSA_PKCS1_OAEP_PADDING
;
167 pad
= RSA_SSLV23_PADDING
;
170 pad
= RSA_PKCS1_PADDING
;
173 pad
= RSA_X931_PADDING
;
180 rsa_mode
= RSA_VERIFY
;
186 rsa_mode
= RSA_ENCRYPT
;
189 rsa_mode
= RSA_DECRYPT
;
193 key_type
= KEY_PUBKEY
;
202 passinarg
= opt_arg();
206 argc
= opt_num_rest();
209 if (need_priv
&& (key_type
!= KEY_PRIVKEY
)) {
210 BIO_printf(bio_err
, "A private key is needed for this operation\n");
214 if (!app_passwd(passinarg
, NULL
, &passin
, NULL
)) {
215 BIO_printf(bio_err
, "Error getting password\n");
219 /* FIXME: seed PRNG only if needed */
220 app_RAND_load_file(NULL
, 0);
224 pkey
= load_key(keyfile
, keyformat
, 0, passin
, e
, "Private Key");
228 pkey
= load_pubkey(keyfile
, keyformat
, 0, NULL
, e
, "Public Key");
232 x
= load_cert(keyfile
, keyformat
, NULL
, e
, "Certificate");
234 pkey
= X509_get_pubkey(x
);
244 rsa
= EVP_PKEY_get1_RSA(pkey
);
248 BIO_printf(bio_err
, "Error getting RSA key\n");
249 ERR_print_errors(bio_err
);
253 in
= bio_open_default(infile
, 'r', FORMAT_BINARY
);
256 out
= bio_open_default(outfile
, 'w', FORMAT_BINARY
);
260 keysize
= RSA_size(rsa
);
262 rsa_in
= app_malloc(keysize
* 2, "hold rsa key");
263 rsa_out
= app_malloc(keysize
, "output rsa key");
265 /* Read the input data */
266 rsa_inlen
= BIO_read(in
, rsa_in
, keysize
* 2);
268 BIO_printf(bio_err
, "Error reading input Data\n");
274 for (i
= 0; i
< rsa_inlen
/ 2; i
++) {
276 rsa_in
[i
] = rsa_in
[rsa_inlen
- 1 - i
];
277 rsa_in
[rsa_inlen
- 1 - i
] = ctmp
;
283 rsa_outlen
= RSA_public_decrypt(rsa_inlen
, rsa_in
, rsa_out
, rsa
, pad
);
288 RSA_private_encrypt(rsa_inlen
, rsa_in
, rsa_out
, rsa
, pad
);
292 rsa_outlen
= RSA_public_encrypt(rsa_inlen
, rsa_in
, rsa_out
, rsa
, pad
);
297 RSA_private_decrypt(rsa_inlen
, rsa_in
, rsa_out
, rsa
, pad
);
301 if (rsa_outlen
< 0) {
302 BIO_printf(bio_err
, "RSA operation error\n");
303 ERR_print_errors(bio_err
);
308 if (!ASN1_parse_dump(out
, rsa_out
, rsa_outlen
, 1, -1)) {
309 ERR_print_errors(bio_err
);
312 BIO_dump(out
, (char *)rsa_out
, rsa_outlen
);
314 BIO_write(out
, rsa_out
, rsa_outlen
);
319 OPENSSL_free(rsa_in
);
320 OPENSSL_free(rsa_out
);
321 OPENSSL_free(passin
);