2 * Copyright 2000-2018 The OpenSSL Project Authors. All Rights Reserved.
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
10 #include <openssl/opensslconf.h>
12 NON_EMPTY_TRANSLATION_UNIT
18 # include <openssl/err.h>
19 # include <openssl/pem.h>
20 # include <openssl/rsa.h>
24 # define RSA_ENCRYPT 3
25 # define RSA_DECRYPT 4
27 # define KEY_PRIVKEY 1
31 typedef enum OPTION_choice
{
32 OPT_ERR
= -1, OPT_EOF
= 0, OPT_HELP
,
33 OPT_ENGINE
, OPT_IN
, OPT_OUT
, OPT_ASN1PARSE
, OPT_HEXDUMP
,
34 OPT_RAW
, OPT_OAEP
, OPT_SSL
, OPT_PKCS
, OPT_X931
,
35 OPT_SIGN
, OPT_VERIFY
, OPT_REV
, OPT_ENCRYPT
, OPT_DECRYPT
,
36 OPT_PUBIN
, OPT_CERTIN
, OPT_INKEY
, OPT_PASSIN
, OPT_KEYFORM
,
40 const OPTIONS rsautl_options
[] = {
41 {"help", OPT_HELP
, '-', "Display this summary"},
42 {"in", OPT_IN
, '<', "Input file"},
43 {"out", OPT_OUT
, '>', "Output file"},
44 {"inkey", OPT_INKEY
, 's', "Input key"},
45 {"keyform", OPT_KEYFORM
, 'E', "Private key format - default PEM"},
46 {"pubin", OPT_PUBIN
, '-', "Input is an RSA public"},
47 {"certin", OPT_CERTIN
, '-', "Input is a cert carrying an RSA public key"},
48 {"ssl", OPT_SSL
, '-', "Use SSL v2 padding"},
49 {"raw", OPT_RAW
, '-', "Use no padding"},
50 {"pkcs", OPT_PKCS
, '-', "Use PKCS#1 v1.5 padding (default)"},
51 {"oaep", OPT_OAEP
, '-', "Use PKCS#1 OAEP"},
52 {"sign", OPT_SIGN
, '-', "Sign with private key"},
53 {"verify", OPT_VERIFY
, '-', "Verify with public key"},
54 {"asn1parse", OPT_ASN1PARSE
, '-',
55 "Run output through asn1parse; useful with -verify"},
56 {"hexdump", OPT_HEXDUMP
, '-', "Hex dump output"},
57 {"x931", OPT_X931
, '-', "Use ANSI X9.31 padding"},
58 {"rev", OPT_REV
, '-', "Reverse the order of the input buffer"},
59 {"encrypt", OPT_ENCRYPT
, '-', "Encrypt with public key"},
60 {"decrypt", OPT_DECRYPT
, '-', "Decrypt with private key"},
61 {"passin", OPT_PASSIN
, 's', "Input file pass phrase source"},
63 # ifndef OPENSSL_NO_ENGINE
64 {"engine", OPT_ENGINE
, 's', "Use engine, possibly a hardware device"},
69 int rsautl_main(int argc
, char **argv
)
71 BIO
*in
= NULL
, *out
= NULL
;
73 EVP_PKEY
*pkey
= NULL
;
76 char *infile
= NULL
, *outfile
= NULL
, *keyfile
= NULL
;
77 char *passinarg
= NULL
, *passin
= NULL
, *prog
;
78 char rsa_mode
= RSA_VERIFY
, key_type
= KEY_PRIVKEY
;
79 unsigned char *rsa_in
= NULL
, *rsa_out
= NULL
, pad
= RSA_PKCS1_PADDING
;
80 int rsa_inlen
, keyformat
= FORMAT_PEM
, keysize
, ret
= 1;
81 int rsa_outlen
= 0, hexdump
= 0, asn1parse
= 0, need_priv
= 0, rev
= 0;
84 prog
= opt_init(argc
, argv
, rsautl_options
);
85 while ((o
= opt_next()) != OPT_EOF
) {
90 BIO_printf(bio_err
, "%s: Use -help for summary.\n", prog
);
93 opt_help(rsautl_options
);
97 if (!opt_format(opt_arg(), OPT_FMT_PDE
, &keyformat
))
107 e
= setup_engine(opt_arg(), 0);
116 pad
= RSA_NO_PADDING
;
119 pad
= RSA_PKCS1_OAEP_PADDING
;
122 pad
= RSA_SSLV23_PADDING
;
125 pad
= RSA_PKCS1_PADDING
;
128 pad
= RSA_X931_PADDING
;
135 rsa_mode
= RSA_VERIFY
;
141 rsa_mode
= RSA_ENCRYPT
;
144 rsa_mode
= RSA_DECRYPT
;
148 key_type
= KEY_PUBKEY
;
157 passinarg
= opt_arg();
165 argc
= opt_num_rest();
169 if (need_priv
&& (key_type
!= KEY_PRIVKEY
)) {
170 BIO_printf(bio_err
, "A private key is needed for this operation\n");
174 if (!app_passwd(passinarg
, NULL
, &passin
, NULL
)) {
175 BIO_printf(bio_err
, "Error getting password\n");
181 pkey
= load_key(keyfile
, keyformat
, 0, passin
, e
, "Private Key");
185 pkey
= load_pubkey(keyfile
, keyformat
, 0, NULL
, e
, "Public Key");
189 x
= load_cert(keyfile
, keyformat
, "Certificate");
191 pkey
= X509_get_pubkey(x
);
200 rsa
= EVP_PKEY_get1_RSA(pkey
);
204 BIO_printf(bio_err
, "Error getting RSA key\n");
205 ERR_print_errors(bio_err
);
209 in
= bio_open_default(infile
, 'r', FORMAT_BINARY
);
212 out
= bio_open_default(outfile
, 'w', FORMAT_BINARY
);
216 keysize
= RSA_size(rsa
);
218 rsa_in
= app_malloc(keysize
* 2, "hold rsa key");
219 rsa_out
= app_malloc(keysize
, "output rsa key");
221 /* Read the input data */
222 rsa_inlen
= BIO_read(in
, rsa_in
, keysize
* 2);
224 BIO_printf(bio_err
, "Error reading input Data\n");
230 for (i
= 0; i
< rsa_inlen
/ 2; i
++) {
232 rsa_in
[i
] = rsa_in
[rsa_inlen
- 1 - i
];
233 rsa_in
[rsa_inlen
- 1 - i
] = ctmp
;
239 rsa_outlen
= RSA_public_decrypt(rsa_inlen
, rsa_in
, rsa_out
, rsa
, pad
);
244 RSA_private_encrypt(rsa_inlen
, rsa_in
, rsa_out
, rsa
, pad
);
248 rsa_outlen
= RSA_public_encrypt(rsa_inlen
, rsa_in
, rsa_out
, rsa
, pad
);
253 RSA_private_decrypt(rsa_inlen
, rsa_in
, rsa_out
, rsa
, pad
);
257 if (rsa_outlen
< 0) {
258 BIO_printf(bio_err
, "RSA operation error\n");
259 ERR_print_errors(bio_err
);
264 if (!ASN1_parse_dump(out
, rsa_out
, rsa_outlen
, 1, -1)) {
265 ERR_print_errors(bio_err
);
267 } else if (hexdump
) {
268 BIO_dump(out
, (char *)rsa_out
, rsa_outlen
);
270 BIO_write(out
, rsa_out
, rsa_outlen
);
277 OPENSSL_free(rsa_in
);
278 OPENSSL_free(rsa_out
);
279 OPENSSL_free(passin
);