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git.ipfire.org Git - thirdparty/openssl.git/blob - apps/rsautl.c
2 * Copyright 2000-2020 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (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>
15 #include <openssl/err.h>
16 #include <openssl/pem.h>
17 #include <openssl/rsa.h>
28 typedef enum OPTION_choice
{
29 OPT_ERR
= -1, OPT_EOF
= 0, OPT_HELP
,
30 OPT_ENGINE
, OPT_IN
, OPT_OUT
, OPT_ASN1PARSE
, OPT_HEXDUMP
,
31 OPT_RSA_RAW
, OPT_OAEP
, OPT_SSL
, OPT_PKCS
, OPT_X931
,
32 OPT_SIGN
, OPT_VERIFY
, OPT_REV
, OPT_ENCRYPT
, OPT_DECRYPT
,
33 OPT_PUBIN
, OPT_CERTIN
, OPT_INKEY
, OPT_PASSIN
, OPT_KEYFORM
,
34 OPT_R_ENUM
, OPT_PROV_ENUM
37 const OPTIONS rsautl_options
[] = {
38 OPT_SECTION("General"),
39 {"help", OPT_HELP
, '-', "Display this summary"},
40 {"sign", OPT_SIGN
, '-', "Sign with private key"},
41 {"verify", OPT_VERIFY
, '-', "Verify with public key"},
42 {"encrypt", OPT_ENCRYPT
, '-', "Encrypt with public key"},
43 {"decrypt", OPT_DECRYPT
, '-', "Decrypt with private key"},
44 #ifndef OPENSSL_NO_ENGINE
45 {"engine", OPT_ENGINE
, 's', "Use engine, possibly a hardware device"},
49 {"in", OPT_IN
, '<', "Input file"},
50 {"inkey", OPT_INKEY
, 's', "Input key"},
51 {"keyform", OPT_KEYFORM
, 'E', "Private key format (ENGINE, other values ignored)"},
52 {"pubin", OPT_PUBIN
, '-', "Input is an RSA public"},
53 {"certin", OPT_CERTIN
, '-', "Input is a cert carrying an RSA public key"},
54 {"rev", OPT_REV
, '-', "Reverse the order of the input buffer"},
55 {"passin", OPT_PASSIN
, 's', "Input file pass phrase source"},
57 OPT_SECTION("Output"),
58 {"out", OPT_OUT
, '>', "Output file"},
59 {"ssl", OPT_SSL
, '-', "Use SSL v2 padding"},
60 {"raw", OPT_RSA_RAW
, '-', "Use no padding"},
61 {"pkcs", OPT_PKCS
, '-', "Use PKCS#1 v1.5 padding (default)"},
62 {"x931", OPT_X931
, '-', "Use ANSI X9.31 padding"},
63 {"oaep", OPT_OAEP
, '-', "Use PKCS#1 OAEP"},
64 {"asn1parse", OPT_ASN1PARSE
, '-',
65 "Run output through asn1parse; useful with -verify"},
66 {"hexdump", OPT_HEXDUMP
, '-', "Hex dump output"},
73 int rsautl_main(int argc
, char **argv
)
75 BIO
*in
= NULL
, *out
= NULL
;
77 EVP_PKEY
*pkey
= NULL
;
78 EVP_PKEY_CTX
*ctx
= NULL
;
80 char *infile
= NULL
, *outfile
= NULL
, *keyfile
= NULL
;
81 char *passinarg
= NULL
, *passin
= NULL
, *prog
;
82 char rsa_mode
= RSA_VERIFY
, key_type
= KEY_PRIVKEY
;
83 unsigned char *rsa_in
= NULL
, *rsa_out
= NULL
, pad
= RSA_PKCS1_PADDING
;
84 size_t rsa_inlen
, rsa_outlen
= 0;
85 int keyformat
= FORMAT_PEM
, keysize
, ret
= 1, rv
;
86 int hexdump
= 0, asn1parse
= 0, need_priv
= 0, rev
= 0;
89 prog
= opt_init(argc
, argv
, rsautl_options
);
90 while ((o
= opt_next()) != OPT_EOF
) {
95 BIO_printf(bio_err
, "%s: Use -help for summary.\n", prog
);
98 opt_help(rsautl_options
);
102 if (!opt_format(opt_arg(), OPT_FMT_ANY
, &keyformat
))
112 e
= setup_engine(opt_arg(), 0);
121 pad
= RSA_NO_PADDING
;
124 pad
= RSA_PKCS1_OAEP_PADDING
;
127 pad
= RSA_SSLV23_PADDING
;
130 pad
= RSA_PKCS1_PADDING
;
133 pad
= RSA_X931_PADDING
;
140 rsa_mode
= RSA_VERIFY
;
146 rsa_mode
= RSA_ENCRYPT
;
149 rsa_mode
= RSA_DECRYPT
;
153 key_type
= KEY_PUBKEY
;
162 passinarg
= opt_arg();
169 if (!opt_provider(o
))
175 /* No extra arguments. */
176 argc
= opt_num_rest();
181 if (need_priv
&& (key_type
!= KEY_PRIVKEY
)) {
182 BIO_printf(bio_err
, "A private key is needed for this operation\n");
186 if (!app_passwd(passinarg
, NULL
, &passin
, NULL
)) {
187 BIO_printf(bio_err
, "Error getting password\n");
193 pkey
= load_key(keyfile
, keyformat
, 0, passin
, e
, "private key");
197 pkey
= load_pubkey(keyfile
, keyformat
, 0, NULL
, e
, "public key");
201 x
= load_cert(keyfile
, "Certificate");
203 pkey
= X509_get_pubkey(x
);
212 in
= bio_open_default(infile
, 'r', FORMAT_BINARY
);
215 out
= bio_open_default(outfile
, 'w', FORMAT_BINARY
);
219 keysize
= EVP_PKEY_size(pkey
);
221 rsa_in
= app_malloc(keysize
* 2, "hold rsa key");
222 rsa_out
= app_malloc(keysize
, "output rsa key");
223 rsa_outlen
= keysize
;
225 /* Read the input data */
226 rv
= BIO_read(in
, rsa_in
, keysize
* 2);
228 BIO_printf(bio_err
, "Error reading input Data\n");
236 for (i
= 0; i
< rsa_inlen
/ 2; i
++) {
238 rsa_in
[i
] = rsa_in
[rsa_inlen
- 1 - i
];
239 rsa_in
[rsa_inlen
- 1 - i
] = ctmp
;
243 if ((ctx
= EVP_PKEY_CTX_new_from_pkey(NULL
, pkey
, NULL
)) == NULL
)
248 rv
= EVP_PKEY_verify_recover_init(ctx
)
249 && EVP_PKEY_CTX_set_rsa_padding(ctx
, pad
)
250 && EVP_PKEY_verify_recover(ctx
, rsa_out
, &rsa_outlen
,
254 rv
= EVP_PKEY_sign_init(ctx
)
255 && EVP_PKEY_CTX_set_rsa_padding(ctx
, pad
)
256 && EVP_PKEY_sign(ctx
, rsa_out
, &rsa_outlen
, rsa_in
, rsa_inlen
);
259 rv
= EVP_PKEY_encrypt_init(ctx
)
260 && EVP_PKEY_CTX_set_rsa_padding(ctx
, pad
)
261 && EVP_PKEY_encrypt(ctx
, rsa_out
, &rsa_outlen
, rsa_in
, rsa_inlen
);
264 rv
= EVP_PKEY_decrypt_init(ctx
)
265 && EVP_PKEY_CTX_set_rsa_padding(ctx
, pad
)
266 && EVP_PKEY_decrypt(ctx
, rsa_out
, &rsa_outlen
, rsa_in
, rsa_inlen
);
271 BIO_printf(bio_err
, "RSA operation error\n");
272 ERR_print_errors(bio_err
);
277 if (!ASN1_parse_dump(out
, rsa_out
, rsa_outlen
, 1, -1)) {
278 ERR_print_errors(bio_err
);
280 } else if (hexdump
) {
281 BIO_dump(out
, (char *)rsa_out
, rsa_outlen
);
283 BIO_write(out
, rsa_out
, rsa_outlen
);
286 EVP_PKEY_CTX_free(ctx
);
291 OPENSSL_free(rsa_in
);
292 OPENSSL_free(rsa_out
);
293 OPENSSL_free(passin
);