bc36ee6227
missed any. This compiles and runs on Linux, and external applications have no problems with it. The definite test will be to build this on VMS.
318 lines
8.9 KiB
C
318 lines
8.9 KiB
C
/* rsautl.c */
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/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
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* project 2000.
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*/
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/* ====================================================================
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* Copyright (c) 2000 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* licensing@OpenSSL.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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#ifndef OPENSSL_NO_RSA
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#include "apps.h"
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#include <string.h>
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#include <openssl/err.h>
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#include <openssl/pem.h>
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#include <openssl/engine.h>
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#define RSA_SIGN 1
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#define RSA_VERIFY 2
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#define RSA_ENCRYPT 3
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#define RSA_DECRYPT 4
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#define KEY_PRIVKEY 1
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#define KEY_PUBKEY 2
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#define KEY_CERT 3
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static void usage(void);
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#undef PROG
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#define PROG rsautl_main
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int MAIN(int argc, char **);
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int MAIN(int argc, char **argv)
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{
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ENGINE *e = NULL;
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BIO *in = NULL, *out = NULL;
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char *infile = NULL, *outfile = NULL;
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char *engine = NULL;
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char *keyfile = NULL;
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char rsa_mode = RSA_VERIFY, key_type = KEY_PRIVKEY;
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int keyform = FORMAT_PEM;
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char need_priv = 0, badarg = 0, rev = 0;
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char hexdump = 0, asn1parse = 0;
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X509 *x;
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EVP_PKEY *pkey = NULL;
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RSA *rsa = NULL;
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unsigned char *rsa_in = NULL, *rsa_out = NULL, pad;
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int rsa_inlen, rsa_outlen = 0;
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int keysize;
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int ret = 1;
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argc--;
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argv++;
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if(!bio_err) bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
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ERR_load_crypto_strings();
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OpenSSL_add_all_algorithms();
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pad = RSA_PKCS1_PADDING;
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while(argc >= 1)
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{
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if (!strcmp(*argv,"-in")) {
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if (--argc < 1) badarg = 1;
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infile= *(++argv);
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} else if (!strcmp(*argv,"-out")) {
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if (--argc < 1) badarg = 1;
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outfile= *(++argv);
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} else if(!strcmp(*argv, "-inkey")) {
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if (--argc < 1) badarg = 1;
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keyfile = *(++argv);
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} else if(!strcmp(*argv, "-engine")) {
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if (--argc < 1) badarg = 1;
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engine = *(++argv);
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} else if(!strcmp(*argv, "-pubin")) {
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key_type = KEY_PUBKEY;
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} else if(!strcmp(*argv, "-certin")) {
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key_type = KEY_CERT;
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}
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else if(!strcmp(*argv, "-asn1parse")) asn1parse = 1;
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else if(!strcmp(*argv, "-hexdump")) hexdump = 1;
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else if(!strcmp(*argv, "-raw")) pad = RSA_NO_PADDING;
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else if(!strcmp(*argv, "-oaep")) pad = RSA_PKCS1_OAEP_PADDING;
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else if(!strcmp(*argv, "-ssl")) pad = RSA_SSLV23_PADDING;
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else if(!strcmp(*argv, "-pkcs")) pad = RSA_PKCS1_PADDING;
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else if(!strcmp(*argv, "-sign")) {
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rsa_mode = RSA_SIGN;
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need_priv = 1;
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} else if(!strcmp(*argv, "-verify")) rsa_mode = RSA_VERIFY;
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else if(!strcmp(*argv, "-rev")) rev = 1;
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else if(!strcmp(*argv, "-encrypt")) rsa_mode = RSA_ENCRYPT;
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else if(!strcmp(*argv, "-decrypt")) {
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rsa_mode = RSA_DECRYPT;
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need_priv = 1;
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} else badarg = 1;
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if(badarg) {
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usage();
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goto end;
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}
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argc--;
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argv++;
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}
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if(need_priv && (key_type != KEY_PRIVKEY)) {
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BIO_printf(bio_err, "A private key is needed for this operation\n");
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goto end;
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}
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if (engine != NULL)
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{
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if((e = ENGINE_by_id(engine)) == NULL)
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{
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BIO_printf(bio_err,"invalid engine \"%s\"\n",
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engine);
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goto end;
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}
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if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
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{
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BIO_printf(bio_err,"can't use that engine\n");
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goto end;
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}
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BIO_printf(bio_err,"engine \"%s\" set.\n", engine);
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/* Free our "structural" reference. */
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ENGINE_free(e);
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}
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/* FIXME: seed PRNG only if needed */
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app_RAND_load_file(NULL, bio_err, 0);
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switch(key_type) {
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case KEY_PRIVKEY:
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pkey = load_key(bio_err, keyfile, keyform, NULL, e);
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break;
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case KEY_PUBKEY:
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pkey = load_pubkey(bio_err, keyfile, keyform, e);
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break;
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case KEY_CERT:
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x = load_cert(bio_err, keyfile, keyform);
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if(x) {
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pkey = X509_get_pubkey(x);
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X509_free(x);
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}
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break;
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}
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if(!pkey) {
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BIO_printf(bio_err, "Error loading key\n");
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return 1;
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}
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rsa = EVP_PKEY_get1_RSA(pkey);
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EVP_PKEY_free(pkey);
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if(!rsa) {
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BIO_printf(bio_err, "Error getting RSA key\n");
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ERR_print_errors(bio_err);
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goto end;
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}
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if(infile) {
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if(!(in = BIO_new_file(infile, "rb"))) {
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BIO_printf(bio_err, "Error Reading Input File\n");
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ERR_print_errors(bio_err);
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goto end;
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}
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} else in = BIO_new_fp(stdin, BIO_NOCLOSE);
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if(outfile) {
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if(!(out = BIO_new_file(outfile, "wb"))) {
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BIO_printf(bio_err, "Error Reading Output File\n");
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ERR_print_errors(bio_err);
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goto end;
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}
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} else {
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out = BIO_new_fp(stdout, BIO_NOCLOSE);
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#ifdef OPENSSL_SYS_VMS
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{
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BIO *tmpbio = BIO_new(BIO_f_linebuffer());
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out = BIO_push(tmpbio, out);
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}
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#endif
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}
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keysize = RSA_size(rsa);
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rsa_in = OPENSSL_malloc(keysize * 2);
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rsa_out = OPENSSL_malloc(keysize);
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/* Read the input data */
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rsa_inlen = BIO_read(in, rsa_in, keysize * 2);
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if(rsa_inlen <= 0) {
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BIO_printf(bio_err, "Error reading input Data\n");
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exit(1);
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}
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if(rev) {
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int i;
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unsigned char ctmp;
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for(i = 0; i < rsa_inlen/2; i++) {
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ctmp = rsa_in[i];
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rsa_in[i] = rsa_in[rsa_inlen - 1 - i];
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rsa_in[rsa_inlen - 1 - i] = ctmp;
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}
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}
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switch(rsa_mode) {
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case RSA_VERIFY:
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rsa_outlen = RSA_public_decrypt(rsa_inlen, rsa_in, rsa_out, rsa, pad);
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break;
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case RSA_SIGN:
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rsa_outlen = RSA_private_encrypt(rsa_inlen, rsa_in, rsa_out, rsa, pad);
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break;
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case RSA_ENCRYPT:
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rsa_outlen = RSA_public_encrypt(rsa_inlen, rsa_in, rsa_out, rsa, pad);
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break;
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case RSA_DECRYPT:
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rsa_outlen = RSA_private_decrypt(rsa_inlen, rsa_in, rsa_out, rsa, pad);
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break;
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}
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if(rsa_outlen <= 0) {
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BIO_printf(bio_err, "RSA operation error\n");
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ERR_print_errors(bio_err);
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goto end;
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}
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ret = 0;
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if(asn1parse) {
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if(!ASN1_parse_dump(out, rsa_out, rsa_outlen, 1, -1)) {
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ERR_print_errors(bio_err);
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}
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} else if(hexdump) BIO_dump(out, (char *)rsa_out, rsa_outlen);
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else BIO_write(out, rsa_out, rsa_outlen);
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end:
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RSA_free(rsa);
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BIO_free(in);
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BIO_free_all(out);
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if(rsa_in) OPENSSL_free(rsa_in);
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if(rsa_out) OPENSSL_free(rsa_out);
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return ret;
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}
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static void usage()
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{
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BIO_printf(bio_err, "Usage: rsautl [options]\n");
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BIO_printf(bio_err, "-in file input file\n");
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BIO_printf(bio_err, "-out file output file\n");
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BIO_printf(bio_err, "-inkey file input key\n");
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BIO_printf(bio_err, "-pubin input is an RSA public\n");
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BIO_printf(bio_err, "-certin input is a certificate carrying an RSA public key\n");
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BIO_printf(bio_err, "-ssl use SSL v2 padding\n");
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BIO_printf(bio_err, "-raw use no padding\n");
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BIO_printf(bio_err, "-pkcs use PKCS#1 v1.5 padding (default)\n");
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BIO_printf(bio_err, "-oaep use PKCS#1 OAEP\n");
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BIO_printf(bio_err, "-sign sign with private key\n");
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BIO_printf(bio_err, "-verify verify with public key\n");
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BIO_printf(bio_err, "-encrypt encrypt with public key\n");
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BIO_printf(bio_err, "-decrypt decrypt with private key\n");
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BIO_printf(bio_err, "-hexdump hex dump output\n");
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}
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#endif
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