326 lines
10 KiB
C
326 lines
10 KiB
C
/*
|
|
* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
|
|
* 2000.
|
|
*/
|
|
/* ====================================================================
|
|
* Copyright (c) 2000 The OpenSSL Project. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
*
|
|
* 3. All advertising materials mentioning features or use of this
|
|
* software must display the following acknowledgment:
|
|
* "This product includes software developed by the OpenSSL Project
|
|
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
|
|
*
|
|
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
|
|
* endorse or promote products derived from this software without
|
|
* prior written permission. For written permission, please contact
|
|
* licensing@OpenSSL.org.
|
|
*
|
|
* 5. Products derived from this software may not be called "OpenSSL"
|
|
* nor may "OpenSSL" appear in their names without prior written
|
|
* permission of the OpenSSL Project.
|
|
*
|
|
* 6. Redistributions of any form whatsoever must retain the following
|
|
* acknowledgment:
|
|
* "This product includes software developed by the OpenSSL Project
|
|
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
|
|
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
|
|
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
|
|
* OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
* ====================================================================
|
|
*
|
|
* This product includes cryptographic software written by Eric Young
|
|
* (eay@cryptsoft.com). This product includes software written by Tim
|
|
* Hudson (tjh@cryptsoft.com).
|
|
*
|
|
*/
|
|
|
|
#include <openssl/opensslconf.h>
|
|
#ifdef OPENSSL_NO_RSA
|
|
NON_EMPTY_TRANSLATION_UNIT
|
|
#else
|
|
|
|
# include "apps.h"
|
|
# include <string.h>
|
|
# include <openssl/err.h>
|
|
# include <openssl/pem.h>
|
|
# include <openssl/rsa.h>
|
|
|
|
# define RSA_SIGN 1
|
|
# define RSA_VERIFY 2
|
|
# define RSA_ENCRYPT 3
|
|
# define RSA_DECRYPT 4
|
|
|
|
# define KEY_PRIVKEY 1
|
|
# define KEY_PUBKEY 2
|
|
# define KEY_CERT 3
|
|
|
|
typedef enum OPTION_choice {
|
|
OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
|
|
OPT_ENGINE, OPT_IN, OPT_OUT, OPT_ASN1PARSE, OPT_HEXDUMP,
|
|
OPT_RAW, OPT_OAEP, OPT_SSL, OPT_PKCS, OPT_X931,
|
|
OPT_SIGN, OPT_VERIFY, OPT_REV, OPT_ENCRYPT, OPT_DECRYPT,
|
|
OPT_PUBIN, OPT_CERTIN, OPT_INKEY, OPT_PASSIN, OPT_KEYFORM
|
|
} OPTION_CHOICE;
|
|
|
|
OPTIONS rsautl_options[] = {
|
|
{"help", OPT_HELP, '-', "Display this summary"},
|
|
{"in", OPT_IN, '<', "Input file"},
|
|
{"out", OPT_OUT, '>', "Output file"},
|
|
{"inkey", OPT_INKEY, 's', "Input key"},
|
|
{"keyform", OPT_KEYFORM, 'E', "Private key format - default PEM"},
|
|
{"pubin", OPT_PUBIN, '-', "Input is an RSA public"},
|
|
{"certin", OPT_CERTIN, '-', "Input is a cert carrying an RSA public key"},
|
|
{"ssl", OPT_SSL, '-', "Use SSL v2 padding"},
|
|
{"raw", OPT_RAW, '-', "Use no padding"},
|
|
{"pkcs", OPT_PKCS, '-', "Use PKCS#1 v1.5 padding (default)"},
|
|
{"oaep", OPT_OAEP, '-', "Use PKCS#1 OAEP"},
|
|
{"sign", OPT_SIGN, '-', "Sign with private key"},
|
|
{"verify", OPT_VERIFY, '-', "Verify with public key"},
|
|
{"asn1parse", OPT_ASN1PARSE, '-',
|
|
"Run output through asn1parse; useful with -verify"},
|
|
{"hexdump", OPT_HEXDUMP, '-', "Hex dump output"},
|
|
{"x931", OPT_X931, '-', "Use ANSI X9.31 padding"},
|
|
{"rev", OPT_REV, '-', "Reverse the order of the input buffer"},
|
|
{"encrypt", OPT_ENCRYPT, '-', "Encrypt with public key"},
|
|
{"decrypt", OPT_DECRYPT, '-', "Decrypt with private key"},
|
|
{"passin", OPT_PASSIN, 's', "Pass phrase source"},
|
|
# ifndef OPENSSL_NO_ENGINE
|
|
{"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
|
|
# endif
|
|
{NULL}
|
|
};
|
|
|
|
int rsautl_main(int argc, char **argv)
|
|
{
|
|
BIO *in = NULL, *out = NULL;
|
|
ENGINE *e = NULL;
|
|
EVP_PKEY *pkey = NULL;
|
|
RSA *rsa = NULL;
|
|
X509 *x;
|
|
char *infile = NULL, *outfile = NULL, *keyfile = NULL;
|
|
char *passinarg = NULL, *passin = NULL, *prog;
|
|
char rsa_mode = RSA_VERIFY, key_type = KEY_PRIVKEY;
|
|
unsigned char *rsa_in = NULL, *rsa_out = NULL, pad = RSA_PKCS1_PADDING;
|
|
int rsa_inlen, keyformat = FORMAT_PEM, keysize, ret = 1;
|
|
int rsa_outlen = 0, hexdump = 0, asn1parse = 0, need_priv = 0, rev = 0;
|
|
OPTION_CHOICE o;
|
|
|
|
prog = opt_init(argc, argv, rsautl_options);
|
|
while ((o = opt_next()) != OPT_EOF) {
|
|
switch (o) {
|
|
case OPT_EOF:
|
|
case OPT_ERR:
|
|
opthelp:
|
|
BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
|
|
goto end;
|
|
case OPT_HELP:
|
|
opt_help(rsautl_options);
|
|
ret = 0;
|
|
goto end;
|
|
case OPT_KEYFORM:
|
|
if (!opt_format(opt_arg(), OPT_FMT_PDE, &keyformat))
|
|
goto opthelp;
|
|
break;
|
|
case OPT_IN:
|
|
infile = opt_arg();
|
|
break;
|
|
case OPT_OUT:
|
|
outfile = opt_arg();
|
|
break;
|
|
case OPT_ENGINE:
|
|
e = setup_engine(opt_arg(), 0);
|
|
break;
|
|
case OPT_ASN1PARSE:
|
|
asn1parse = 1;
|
|
break;
|
|
case OPT_HEXDUMP:
|
|
hexdump = 1;
|
|
break;
|
|
case OPT_RAW:
|
|
pad = RSA_NO_PADDING;
|
|
break;
|
|
case OPT_OAEP:
|
|
pad = RSA_PKCS1_OAEP_PADDING;
|
|
break;
|
|
case OPT_SSL:
|
|
pad = RSA_SSLV23_PADDING;
|
|
break;
|
|
case OPT_PKCS:
|
|
pad = RSA_PKCS1_PADDING;
|
|
break;
|
|
case OPT_X931:
|
|
pad = RSA_X931_PADDING;
|
|
break;
|
|
case OPT_SIGN:
|
|
rsa_mode = RSA_SIGN;
|
|
need_priv = 1;
|
|
break;
|
|
case OPT_VERIFY:
|
|
rsa_mode = RSA_VERIFY;
|
|
break;
|
|
case OPT_REV:
|
|
rev = 1;
|
|
break;
|
|
case OPT_ENCRYPT:
|
|
rsa_mode = RSA_ENCRYPT;
|
|
break;
|
|
case OPT_DECRYPT:
|
|
rsa_mode = RSA_DECRYPT;
|
|
need_priv = 1;
|
|
break;
|
|
case OPT_PUBIN:
|
|
key_type = KEY_PUBKEY;
|
|
break;
|
|
case OPT_CERTIN:
|
|
key_type = KEY_CERT;
|
|
break;
|
|
case OPT_INKEY:
|
|
keyfile = opt_arg();
|
|
break;
|
|
case OPT_PASSIN:
|
|
passinarg = opt_arg();
|
|
break;
|
|
}
|
|
}
|
|
argc = opt_num_rest();
|
|
if (argc != 0)
|
|
goto opthelp;
|
|
|
|
if (need_priv && (key_type != KEY_PRIVKEY)) {
|
|
BIO_printf(bio_err, "A private key is needed for this operation\n");
|
|
goto end;
|
|
}
|
|
|
|
if (!app_passwd(passinarg, NULL, &passin, NULL)) {
|
|
BIO_printf(bio_err, "Error getting password\n");
|
|
goto end;
|
|
}
|
|
|
|
/* FIXME: seed PRNG only if needed */
|
|
app_RAND_load_file(NULL, 0);
|
|
|
|
switch (key_type) {
|
|
case KEY_PRIVKEY:
|
|
pkey = load_key(keyfile, keyformat, 0, passin, e, "Private Key");
|
|
break;
|
|
|
|
case KEY_PUBKEY:
|
|
pkey = load_pubkey(keyfile, keyformat, 0, NULL, e, "Public Key");
|
|
break;
|
|
|
|
case KEY_CERT:
|
|
x = load_cert(keyfile, keyformat, "Certificate");
|
|
if (x) {
|
|
pkey = X509_get_pubkey(x);
|
|
X509_free(x);
|
|
}
|
|
break;
|
|
}
|
|
|
|
if (!pkey) {
|
|
return 1;
|
|
}
|
|
|
|
rsa = EVP_PKEY_get1_RSA(pkey);
|
|
EVP_PKEY_free(pkey);
|
|
|
|
if (!rsa) {
|
|
BIO_printf(bio_err, "Error getting RSA key\n");
|
|
ERR_print_errors(bio_err);
|
|
goto end;
|
|
}
|
|
|
|
in = bio_open_default(infile, 'r', FORMAT_BINARY);
|
|
if (in == NULL)
|
|
goto end;
|
|
out = bio_open_default(outfile, 'w', FORMAT_BINARY);
|
|
if (out == NULL)
|
|
goto end;
|
|
|
|
keysize = RSA_size(rsa);
|
|
|
|
rsa_in = app_malloc(keysize * 2, "hold rsa key");
|
|
rsa_out = app_malloc(keysize, "output rsa key");
|
|
|
|
/* Read the input data */
|
|
rsa_inlen = BIO_read(in, rsa_in, keysize * 2);
|
|
if (rsa_inlen < 0) {
|
|
BIO_printf(bio_err, "Error reading input Data\n");
|
|
goto end;
|
|
}
|
|
if (rev) {
|
|
int i;
|
|
unsigned char ctmp;
|
|
for (i = 0; i < rsa_inlen / 2; i++) {
|
|
ctmp = rsa_in[i];
|
|
rsa_in[i] = rsa_in[rsa_inlen - 1 - i];
|
|
rsa_in[rsa_inlen - 1 - i] = ctmp;
|
|
}
|
|
}
|
|
switch (rsa_mode) {
|
|
|
|
case RSA_VERIFY:
|
|
rsa_outlen = RSA_public_decrypt(rsa_inlen, rsa_in, rsa_out, rsa, pad);
|
|
break;
|
|
|
|
case RSA_SIGN:
|
|
rsa_outlen =
|
|
RSA_private_encrypt(rsa_inlen, rsa_in, rsa_out, rsa, pad);
|
|
break;
|
|
|
|
case RSA_ENCRYPT:
|
|
rsa_outlen = RSA_public_encrypt(rsa_inlen, rsa_in, rsa_out, rsa, pad);
|
|
break;
|
|
|
|
case RSA_DECRYPT:
|
|
rsa_outlen =
|
|
RSA_private_decrypt(rsa_inlen, rsa_in, rsa_out, rsa, pad);
|
|
break;
|
|
}
|
|
|
|
if (rsa_outlen < 0) {
|
|
BIO_printf(bio_err, "RSA operation error\n");
|
|
ERR_print_errors(bio_err);
|
|
goto end;
|
|
}
|
|
ret = 0;
|
|
if (asn1parse) {
|
|
if (!ASN1_parse_dump(out, rsa_out, rsa_outlen, 1, -1)) {
|
|
ERR_print_errors(bio_err);
|
|
}
|
|
} else if (hexdump)
|
|
BIO_dump(out, (char *)rsa_out, rsa_outlen);
|
|
else
|
|
BIO_write(out, rsa_out, rsa_outlen);
|
|
end:
|
|
RSA_free(rsa);
|
|
BIO_free(in);
|
|
BIO_free_all(out);
|
|
OPENSSL_free(rsa_in);
|
|
OPENSSL_free(rsa_out);
|
|
OPENSSL_free(passin);
|
|
return ret;
|
|
}
|
|
#endif
|