[thirdparty/openssl.git] / apps / rsautl.c

/* rsautl.c */
/* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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).
 *
 */

#ifndef NO_RSA

#include "apps.h"
#include <string.h>
#include <openssl/err.h>
#include <openssl/pem.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)
{
	BIO *in = NULL, *out = NULL;
	char *infile = NULL, *outfile = NULL;
	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;
	int rsa_inlen, rsa_outlen = 0;
	int keysize;

	int ret = 1;

	argc--;
	argv++;

	if(!bio_err) bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
	ERR_load_crypto_strings();
	OpenSSL_add_all_algorithms();
	pad = RSA_PKCS1_PADDING;
	
	while(argc >= 1)
	{
		if (!strcmp(*argv,"-in")) {
			if (--argc < 1) badarg = 1;
                        infile= *(++argv);
		} else if (!strcmp(*argv,"-out")) {
			if (--argc < 1) badarg = 1;
			outfile= *(++argv);
		} else if(!strcmp(*argv, "-inkey")) {
			if (--argc < 1) badarg = 1;
			keyfile = *(++argv);
		} 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, "-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;
	}

/* 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, NULL);
		break;

		case KEY_PUBKEY:
		pkey = load_pubkey(bio_err, keyfile, keyform);
		break;

		case KEY_CERT:
		x = load_cert(bio_err, keyfile, keyform);
		if(x) {
			pkey = X509_get_pubkey(x);
			X509_free(x);
		}
		break;
	}

	if(!pkey) {
		BIO_printf(bio_err, "Error loading key\n");
		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 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);
	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, "-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");
}

#endif
Commit	Line	Data
bd08a2bd DSH	1	/* rsautl.c */
	2	/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
	3	* project 2000.
	4	*/
	5	/* ====================================================================
	6	* Copyright (c) 2000 The OpenSSL Project. All rights reserved.
	7	*
	8	* Redistribution and use in source and binary forms, with or without
	9	* modification, are permitted provided that the following conditions
	10	* are met:
	11	*
	12	* 1. Redistributions of source code must retain the above copyright
	13	* notice, this list of conditions and the following disclaimer.
	14	*
	15	* 2. Redistributions in binary form must reproduce the above copyright
	16	* notice, this list of conditions and the following disclaimer in
	17	* the documentation and/or other materials provided with the
	18	* distribution.
	19	*
	20	* 3. All advertising materials mentioning features or use of this
	21	* software must display the following acknowledgment:
	22	* "This product includes software developed by the OpenSSL Project
	23	* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
	24	*
	25	* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
	26	* endorse or promote products derived from this software without
	27	* prior written permission. For written permission, please contact
	28	* licensing@OpenSSL.org.
	29	*
	30	* 5. Products derived from this software may not be called "OpenSSL"
	31	* nor may "OpenSSL" appear in their names without prior written
	32	* permission of the OpenSSL Project.
	33	*
	34	* 6. Redistributions of any form whatsoever must retain the following
	35	* acknowledgment:
	36	* "This product includes software developed by the OpenSSL Project
	37	* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
	38	*
	39	* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
	40	* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	41	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	42	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
	43	* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	44	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	45	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
	46	* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	47	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
	48	* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	49	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
	50	* OF THE POSSIBILITY OF SUCH DAMAGE.
	51	* ====================================================================
	52	*
	53	* This product includes cryptographic software written by Eric Young
	54	* (eay@cryptsoft.com). This product includes software written by Tim
	55	* Hudson (tjh@cryptsoft.com).
	56	*
	57	*/
28967cf0 BM	58
	59	#ifndef NO_RSA
	60
bd08a2bd	61	#include "apps.h"
0baed24c	62	#include <string.h>
bd08a2bd DSH	63	#include <openssl/err.h>
	64	#include <openssl/pem.h>
	65
	66	#define RSA_SIGN 1
	67	#define RSA_VERIFY 2
	68	#define RSA_ENCRYPT 3
	69	#define RSA_DECRYPT 4
	70
	71	#define KEY_PRIVKEY 1
	72	#define KEY_PUBKEY 2
	73	#define KEY_CERT 3
	74
	75	static void usage(void);
	76
	77	#undef PROG
	78
	79	#define PROG rsautl_main
	80
	81	int MAIN(int argc, char **);
	82
	83	int MAIN(int argc, char **argv)
	84	{
	85	BIO in = NULL, out = NULL;
	86	char infile = NULL, outfile = NULL;
	87	char *keyfile = NULL;
	88	char rsa_mode = RSA_VERIFY, key_type = KEY_PRIVKEY;
	89	int keyform = FORMAT_PEM;
	90	char need_priv = 0, badarg = 0, rev = 0;
	91	char hexdump = 0, asn1parse = 0;
	92	X509 *x;
	93	EVP_PKEY *pkey = NULL;
	94	RSA *rsa = NULL;
	95	unsigned char rsa_in = NULL, rsa_out = NULL, pad;
	96	int rsa_inlen, rsa_outlen = 0;
	97	int keysize;
	98
	99	int ret = 1;
	100
	101	argc--;
	102	argv++;
	103
	104	if(!bio_err) bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
	105	ERR_load_crypto_strings();
	106	OpenSSL_add_all_algorithms();
	107	pad = RSA_PKCS1_PADDING;
	108
	109	while(argc >= 1)
	110	{
	111	if (!strcmp(*argv,"-in")) {
	112	if (--argc < 1) badarg = 1;
	113	infile= *(++argv);
	114	} else if (!strcmp(*argv,"-out")) {
	115	if (--argc < 1) badarg = 1;
	116	outfile= *(++argv);
	117	} else if(!strcmp(*argv, "-inkey")) {
	118	if (--argc < 1) badarg = 1;
	119	keyfile = *(++argv);
	120	} else if(!strcmp(*argv, "-pubin")) {
	121	key_type = KEY_PUBKEY;
	122	} else if(!strcmp(*argv, "-certin")) {
	123	key_type = KEY_CERT;
	124	}
	125	else if(!strcmp(*argv, "-asn1parse")) asn1parse = 1;
	126	else if(!strcmp(*argv, "-hexdump")) hexdump = 1;
127	else if(!strcmp(*argv, "-raw")) pad = RSA_NO_PADDING;
2b40660e	128	else if(!strcmp(*argv, "-oaep")) pad = RSA_PKCS1_OAEP_PADDING;
bd08a2bd DSH	129	else if(!strcmp(*argv, "-ssl")) pad = RSA_SSLV23_PADDING;
	130	else if(!strcmp(*argv, "-pkcs")) pad = RSA_PKCS1_PADDING;
	131	else if(!strcmp(*argv, "-sign")) {
	132	rsa_mode = RSA_SIGN;
	133	need_priv = 1;
	134	} else if(!strcmp(*argv, "-verify")) rsa_mode = RSA_VERIFY;
	135	else if(!strcmp(*argv, "-rev")) rev = 1;
	136	else if(!strcmp(*argv, "-encrypt")) rsa_mode = RSA_ENCRYPT;
	137	else if(!strcmp(*argv, "-decrypt")) {
	138	rsa_mode = RSA_DECRYPT;
	139	need_priv = 1;
	140	} else badarg = 1;
	141	if(badarg) {
	142	usage();
	143	goto end;
	144	}
	145	argc--;
	146	argv++;
	147	}
	148
bbb72003	149	if(need_priv && (key_type != KEY_PRIVKEY)) {
bd08a2bd DSH	150	BIO_printf(bio_err, "A private key is needed for this operation\n");
	151	goto end;
	152	}
	153
2b40660e BM	154	/* FIXME: seed PRNG only if needed */
	155	app_RAND_load_file(NULL, bio_err, 0);
	156
bd08a2bd DSH	157	switch(key_type) {
	158	case KEY_PRIVKEY:
	159	pkey = load_key(bio_err, keyfile, keyform, NULL);
	160	break;
	161
	162	case KEY_PUBKEY:
	163	pkey = load_pubkey(bio_err, keyfile, keyform);
	164	break;
	165
	166	case KEY_CERT:
	167	x = load_cert(bio_err, keyfile, keyform);
	168	if(x) {
	169	pkey = X509_get_pubkey(x);
	170	X509_free(x);
	171	}
	172	break;
	173	}
	174
	175	if(!pkey) {
	176	BIO_printf(bio_err, "Error loading key\n");
	177	return 1;
	178	}
	179
	180	rsa = EVP_PKEY_get1_RSA(pkey);
	181	EVP_PKEY_free(pkey);
	182
	183	if(!rsa) {
	184	BIO_printf(bio_err, "Error getting RSA key\n");
	185	ERR_print_errors(bio_err);
	186	goto end;
	187	}
	188
	189
	190	if(infile) {
	191	if(!(in = BIO_new_file(infile, "rb"))) {
	192	BIO_printf(bio_err, "Error Reading Input File\n");
	193	ERR_print_errors(bio_err);
	194	goto end;
	195	}
	196	} else in = BIO_new_fp(stdin, BIO_NOCLOSE);
	197
	198	if(outfile) {
	199	if(!(out = BIO_new_file(outfile, "wb"))) {
	200	BIO_printf(bio_err, "Error Reading Output File\n");
	201	ERR_print_errors(bio_err);
	202	goto end;
	203	}
645749ef RL	204	} else {
	205	out = BIO_new_fp(stdout, BIO_NOCLOSE);
	206	#ifdef VMS
	207	{
	208	BIO *tmpbio = BIO_new(BIO_f_linebuffer());
	209	out = BIO_push(tmpbio, out);
	210	}
	211	#endif
	212	}
bd08a2bd DSH	213
	214	keysize = RSA_size(rsa);
	215
	216	rsa_in = OPENSSL_malloc(keysize * 2);
	217	rsa_out = OPENSSL_malloc(keysize);
	218
	219	/* Read the input data */
	220	rsa_inlen = BIO_read(in, rsa_in, keysize * 2);
	221	if(rsa_inlen <= 0) {
	222	BIO_printf(bio_err, "Error reading input Data\n");
	223	exit(1);
	224	}
	225	if(rev) {
	226	int i;
	227	unsigned char ctmp;
	228	for(i = 0; i < rsa_inlen/2; i++) {
	229	ctmp = rsa_in[i];
	230	rsa_in[i] = rsa_in[rsa_inlen - 1 - i];
	231	rsa_in[rsa_inlen - 1 - i] = ctmp;
	232	}
	233	}
	234	switch(rsa_mode) {
	235
	236	case RSA_VERIFY:
	237	rsa_outlen = RSA_public_decrypt(rsa_inlen, rsa_in, rsa_out, rsa, pad);
	238	break;
	239
	240	case RSA_SIGN:
	241	rsa_outlen = RSA_private_encrypt(rsa_inlen, rsa_in, rsa_out, rsa, pad);
	242	break;
	243
	244	case RSA_ENCRYPT:
	245	rsa_outlen = RSA_public_encrypt(rsa_inlen, rsa_in, rsa_out, rsa, pad);
	246	break;
	247
	248	case RSA_DECRYPT:
	249	rsa_outlen = RSA_private_decrypt(rsa_inlen, rsa_in, rsa_out, rsa, pad);
	250	break;
	251
	252	}
	253
	254	if(rsa_outlen <= 0) {
	255	BIO_printf(bio_err, "RSA operation error\n");
	256	ERR_print_errors(bio_err);
	257	goto end;
	258	}
	259	ret = 0;
	260	if(asn1parse) {
	261	if(!ASN1_parse_dump(out, rsa_out, rsa_outlen, 1, -1)) {
	262	ERR_print_errors(bio_err);
	263	}
	264	} else if(hexdump) BIO_dump(out, (char *)rsa_out, rsa_outlen);
	265	else BIO_write(out, rsa_out, rsa_outlen);
	266	end:
	267	RSA_free(rsa);
	268	BIO_free(in);
645749ef	269	BIO_free_all(out);
bd08a2bd DSH	270	if(rsa_in) OPENSSL_free(rsa_in);
	271	if(rsa_out) OPENSSL_free(rsa_out);
	272	return ret;
	273	}
	274
	275	static void usage()
	276	{
	277	BIO_printf(bio_err, "Usage: rsautl [options]\n");
	278	BIO_printf(bio_err, "-in file input file\n");
	279	BIO_printf(bio_err, "-out file output file\n");
	280	BIO_printf(bio_err, "-inkey file input key\n");
	281	BIO_printf(bio_err, "-pubin input is an RSA public\n");
	282	BIO_printf(bio_err, "-certin input is a certificate carrying an RSA public key\n");
	283	BIO_printf(bio_err, "-ssl use SSL v2 padding\n");
	284	BIO_printf(bio_err, "-raw use no padding\n");
1af407e7	285	BIO_printf(bio_err, "-pkcs use PKCS#1 v1.5 padding (default)\n");
2b40660e	286	BIO_printf(bio_err, "-oaep use PKCS#1 OAEP\n");
bd08a2bd DSH	287	BIO_printf(bio_err, "-sign sign with private key\n");
	288	BIO_printf(bio_err, "-verify verify with public key\n");
	289	BIO_printf(bio_err, "-encrypt encrypt with public key\n");
	290	BIO_printf(bio_err, "-decrypt decrypt with private key\n");
	291	BIO_printf(bio_err, "-hexdump hex dump output\n");
	292	}
	293
28967cf0	294	#endif