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OpenBoard/thirdparty/openssl/openssl-1.0.0d/apps/rsautl.c

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9.6 KiB

/* rsautl.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>
#ifndef OPENSSL_NO_RSA
#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
static void usage(void);
#undef PROG
#define PROG rsautl_main
int MAIN(int argc, char **);
int MAIN(int argc, char **argv)
{
ENGINE *e = NULL;
BIO *in = NULL, *out = NULL;
char *infile = NULL, *outfile = NULL;
#ifndef OPENSSL_NO_ENGINE
char *engine = NULL;
#endif
char *keyfile = NULL;
char rsa_mode = RSA_VERIFY, key_type = KEY_PRIVKEY;
int keyform = FORMAT_PEM;
char need_priv = 0, badarg = 0, rev = 0;
char hexdump = 0, asn1parse = 0;
X509 *x;
EVP_PKEY *pkey = NULL;
RSA *rsa = NULL;
unsigned char *rsa_in = NULL, *rsa_out = NULL, pad;
char *passargin = NULL, *passin = NULL;
int rsa_inlen, rsa_outlen = 0;
int keysize;
int ret = 1;
argc--;
argv++;
if(!bio_err) bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
if (!load_config(bio_err, NULL))
goto end;
ERR_load_crypto_strings();
OpenSSL_add_all_algorithms();
pad = RSA_PKCS1_PADDING;
while(argc >= 1)
{
if (!strcmp(*argv,"-in")) {
if (--argc < 1)
badarg = 1;
else
infile= *(++argv);
} else if (!strcmp(*argv,"-out")) {
if (--argc < 1)
badarg = 1;
else
outfile= *(++argv);
} else if(!strcmp(*argv, "-inkey")) {
if (--argc < 1)
badarg = 1;
else
keyfile = *(++argv);
} else if (!strcmp(*argv,"-passin")) {
if (--argc < 1)
badarg = 1;
else
passargin= *(++argv);
} else if (strcmp(*argv,"-keyform") == 0) {
if (--argc < 1)
badarg = 1;
else
keyform=str2fmt(*(++argv));
#ifndef OPENSSL_NO_ENGINE
} else if(!strcmp(*argv, "-engine")) {
if (--argc < 1)
badarg = 1;
else
engine = *(++argv);
#endif
} else if(!strcmp(*argv, "-pubin")) {
key_type = KEY_PUBKEY;
} else if(!strcmp(*argv, "-certin")) {
key_type = KEY_CERT;
}
else if(!strcmp(*argv, "-asn1parse")) asn1parse = 1;
else if(!strcmp(*argv, "-hexdump")) hexdump = 1;
else if(!strcmp(*argv, "-raw")) pad = RSA_NO_PADDING;
else if(!strcmp(*argv, "-oaep")) pad = RSA_PKCS1_OAEP_PADDING;
else if(!strcmp(*argv, "-ssl")) pad = RSA_SSLV23_PADDING;
else if(!strcmp(*argv, "-pkcs")) pad = RSA_PKCS1_PADDING;
else if(!strcmp(*argv, "-x931")) pad = RSA_X931_PADDING;
else if(!strcmp(*argv, "-sign")) {
rsa_mode = RSA_SIGN;
need_priv = 1;
} else if(!strcmp(*argv, "-verify")) rsa_mode = RSA_VERIFY;
else if(!strcmp(*argv, "-rev")) rev = 1;
else if(!strcmp(*argv, "-encrypt")) rsa_mode = RSA_ENCRYPT;
else if(!strcmp(*argv, "-decrypt")) {
rsa_mode = RSA_DECRYPT;
need_priv = 1;
} else badarg = 1;
if(badarg) {
usage();
goto end;
}
argc--;
argv++;
}
if(need_priv && (key_type != KEY_PRIVKEY)) {
BIO_printf(bio_err, "A private key is needed for this operation\n");
goto end;
}
#ifndef OPENSSL_NO_ENGINE
e = setup_engine(bio_err, engine, 0);
#endif
if(!app_passwd(bio_err, passargin, NULL, &passin, NULL)) {
BIO_printf(bio_err, "Error getting password\n");
goto end;
}
/* FIXME: seed PRNG only if needed */
app_RAND_load_file(NULL, bio_err, 0);
switch(key_type) {
case KEY_PRIVKEY:
pkey = load_key(bio_err, keyfile, keyform, 0,
passin, e, "Private Key");
break;
case KEY_PUBKEY:
pkey = load_pubkey(bio_err, keyfile, keyform, 0,
NULL, e, "Public Key");
break;
case KEY_CERT:
x = load_cert(bio_err, keyfile, keyform,
NULL, e, "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;
}
if(infile) {
if(!(in = BIO_new_file(infile, "rb"))) {
BIO_printf(bio_err, "Error Reading Input File\n");
ERR_print_errors(bio_err);
goto end;
}
} else in = BIO_new_fp(stdin, BIO_NOCLOSE);
if(outfile) {
if(!(out = BIO_new_file(outfile, "wb"))) {
BIO_printf(bio_err, "Error Reading Output File\n");
ERR_print_errors(bio_err);
goto end;
}
} else {
out = BIO_new_fp(stdout, BIO_NOCLOSE);
#ifdef OPENSSL_SYS_VMS
{
BIO *tmpbio = BIO_new(BIO_f_linebuffer());
out = BIO_push(tmpbio, out);
}
#endif
}
keysize = RSA_size(rsa);
rsa_in = OPENSSL_malloc(keysize * 2);
rsa_out = OPENSSL_malloc(keysize);
/* 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");
exit(1);
}
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);
if(rsa_in) OPENSSL_free(rsa_in);
if(rsa_out) OPENSSL_free(rsa_out);
if(passin) OPENSSL_free(passin);
return ret;
}
static void usage()
{
BIO_printf(bio_err, "Usage: rsautl [options]\n");
BIO_printf(bio_err, "-in file input file\n");
BIO_printf(bio_err, "-out file output file\n");
BIO_printf(bio_err, "-inkey file input key\n");
BIO_printf(bio_err, "-keyform arg private key format - default PEM\n");
BIO_printf(bio_err, "-pubin input is an RSA public\n");
BIO_printf(bio_err, "-certin input is a certificate carrying an RSA public key\n");
BIO_printf(bio_err, "-ssl use SSL v2 padding\n");
BIO_printf(bio_err, "-raw use no padding\n");
BIO_printf(bio_err, "-pkcs use PKCS#1 v1.5 padding (default)\n");
BIO_printf(bio_err, "-oaep use PKCS#1 OAEP\n");
BIO_printf(bio_err, "-sign sign with private key\n");
BIO_printf(bio_err, "-verify verify with public key\n");
BIO_printf(bio_err, "-encrypt encrypt with public key\n");
BIO_printf(bio_err, "-decrypt decrypt with private key\n");
BIO_printf(bio_err, "-hexdump hex dump output\n");
#ifndef OPENSSL_NO_ENGINE
BIO_printf(bio_err, "-engine e use engine e, possibly a hardware device.\n");
BIO_printf (bio_err, "-passin arg pass phrase source\n");
#endif
}
#else /* !OPENSSL_NO_RSA */
# if PEDANTIC
static void *dummy=&dummy;
# endif
#endif