[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).
 *
 */

#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;
                        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,"-passin")) {
			if (--argc < 1) badarg = 1;
			passargin= *(++argv);
		} else if (strcmp(*argv,"-keyform") == 0) {
			if (--argc < 1) badarg = 1;
			keyform=str2fmt(*(++argv));
#ifndef OPENSSL_NO_ENGINE
		} else if(!strcmp(*argv, "-engine")) {
			if (--argc < 1) badarg = 1;
			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

}

#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	58
3eeaab4b	59	#include <openssl/opensslconf.h>
cf1b7d96	60	#ifndef OPENSSL_NO_RSA
28967cf0	61
bd08a2bd	62	#include "apps.h"
0baed24c	63	#include <string.h>
bd08a2bd DSH	64	#include <openssl/err.h>
bd08a2bd DSH	65	#include <openssl/pem.h>
823a67b0	66	#include <openssl/rsa.h>
bd08a2bd DSH	67
	68	#define RSA_SIGN 1
	69	#define RSA_VERIFY 2
	70	#define RSA_ENCRYPT 3
	71	#define RSA_DECRYPT 4
	72
	73	#define KEY_PRIVKEY 1
	74	#define KEY_PUBKEY 2
	75	#define KEY_CERT 3
	76
	77	static void usage(void);
	78
	79	#undef PROG
	80
	81	#define PROG rsautl_main
	82
	83	int MAIN(int argc, char **);
	84
	85	int MAIN(int argc, char **argv)
	86	{
32d862ed	87	ENGINE *e = NULL;
bd08a2bd DSH	88	BIO in = NULL, out = NULL;
bd08a2bd DSH	89	char infile = NULL, outfile = NULL;
0b13e9f0	90	#ifndef OPENSSL_NO_ENGINE
32d862ed	91	char *engine = NULL;
0b13e9f0	92	#endif
bd08a2bd DSH	93	char *keyfile = NULL;
	94	char rsa_mode = RSA_VERIFY, key_type = KEY_PRIVKEY;
	95	int keyform = FORMAT_PEM;
	96	char need_priv = 0, badarg = 0, rev = 0;
	97	char hexdump = 0, asn1parse = 0;
	98	X509 *x;
	99	EVP_PKEY *pkey = NULL;
	100	RSA *rsa = NULL;
	101	unsigned char rsa_in = NULL, rsa_out = NULL, pad;
dfe399e7	102	char passargin = NULL, passin = NULL;
bd08a2bd DSH	103	int rsa_inlen, rsa_outlen = 0;
	104	int keysize;
	105
	106	int ret = 1;
	107
	108	argc--;
	109	argv++;
	110
	111	if(!bio_err) bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
3647bee2 DSH	112
	113	if (!load_config(bio_err, NULL))
	114	goto end;
bd08a2bd DSH	115	ERR_load_crypto_strings();
	116	OpenSSL_add_all_algorithms();
	117	pad = RSA_PKCS1_PADDING;
	118
	119	while(argc >= 1)
	120	{
	121	if (!strcmp(*argv,"-in")) {
	122	if (--argc < 1) badarg = 1;
	123	infile= *(++argv);
	124	} else if (!strcmp(*argv,"-out")) {
	125	if (--argc < 1) badarg = 1;
	126	outfile= *(++argv);
	127	} else if(!strcmp(*argv, "-inkey")) {
	128	if (--argc < 1) badarg = 1;
	129	keyfile = *(++argv);
dfe399e7 DSH	130	} else if (!strcmp(*argv,"-passin")) {
	131	if (--argc < 1) badarg = 1;
	132	passargin= *(++argv);
17bcb8d4	133	} else if (strcmp(*argv,"-keyform") == 0) {
404dcc5e	134	if (--argc < 1) badarg = 1;
17bcb8d4	135	keyform=str2fmt(*(++argv));
0b13e9f0	136	#ifndef OPENSSL_NO_ENGINE
32d862ed RL	137	} else if(!strcmp(*argv, "-engine")) {
	138	if (--argc < 1) badarg = 1;
	139	engine = *(++argv);
0b13e9f0	140	#endif
bd08a2bd DSH	141	} else if(!strcmp(*argv, "-pubin")) {
	142	key_type = KEY_PUBKEY;
	143	} else if(!strcmp(*argv, "-certin")) {
	144	key_type = KEY_CERT;
	145	}
	146	else if(!strcmp(*argv, "-asn1parse")) asn1parse = 1;
	147	else if(!strcmp(*argv, "-hexdump")) hexdump = 1;
	148	else if(!strcmp(*argv, "-raw")) pad = RSA_NO_PADDING;
2b40660e	149	else if(!strcmp(*argv, "-oaep")) pad = RSA_PKCS1_OAEP_PADDING;
bd08a2bd DSH	150	else if(!strcmp(*argv, "-ssl")) pad = RSA_SSLV23_PADDING;
bd08a2bd DSH	151	else if(!strcmp(*argv, "-pkcs")) pad = RSA_PKCS1_PADDING;
499fca2d	152	else if(!strcmp(*argv, "-x931")) pad = RSA_X931_PADDING;
bd08a2bd DSH	153	else if(!strcmp(*argv, "-sign")) {
	154	rsa_mode = RSA_SIGN;
	155	need_priv = 1;
	156	} else if(!strcmp(*argv, "-verify")) rsa_mode = RSA_VERIFY;
	157	else if(!strcmp(*argv, "-rev")) rev = 1;
	158	else if(!strcmp(*argv, "-encrypt")) rsa_mode = RSA_ENCRYPT;
	159	else if(!strcmp(*argv, "-decrypt")) {
	160	rsa_mode = RSA_DECRYPT;
	161	need_priv = 1;
	162	} else badarg = 1;
	163	if(badarg) {
	164	usage();
	165	goto end;
	166	}
	167	argc--;
	168	argv++;
	169	}
	170
bbb72003	171	if(need_priv && (key_type != KEY_PRIVKEY)) {
bd08a2bd DSH	172	BIO_printf(bio_err, "A private key is needed for this operation\n");
	173	goto end;
	174	}
	175
0b13e9f0	176	#ifndef OPENSSL_NO_ENGINE
531d630b	177	e = setup_engine(bio_err, engine, 0);
0b13e9f0	178	#endif
dfe399e7 DSH	179	if(!app_passwd(bio_err, passargin, NULL, &passin, NULL)) {
	180	BIO_printf(bio_err, "Error getting password\n");
	181	goto end;
	182	}
32d862ed	183
2b40660e BM	184	/* FIXME: seed PRNG only if needed */
	185	app_RAND_load_file(NULL, bio_err, 0);
	186
bd08a2bd DSH	187	switch(key_type) {
bd08a2bd DSH	188	case KEY_PRIVKEY:
da9b9724	189	pkey = load_key(bio_err, keyfile, keyform, 0,
dfe399e7	190	passin, e, "Private Key");
bd08a2bd DSH	191	break;
	192
	193	case KEY_PUBKEY:
da9b9724	194	pkey = load_pubkey(bio_err, keyfile, keyform, 0,
30b4c272	195	NULL, e, "Public Key");
bd08a2bd DSH	196	break;
	197
	198	case KEY_CERT:
30b4c272 RL	199	x = load_cert(bio_err, keyfile, keyform,
30b4c272 RL	200	NULL, e, "Certificate");
bd08a2bd DSH	201	if(x) {
	202	pkey = X509_get_pubkey(x);
	203	X509_free(x);
	204	}
	205	break;
	206	}
	207
	208	if(!pkey) {
bd08a2bd DSH	209	return 1;
	210	}
	211
	212	rsa = EVP_PKEY_get1_RSA(pkey);
	213	EVP_PKEY_free(pkey);
	214
	215	if(!rsa) {
	216	BIO_printf(bio_err, "Error getting RSA key\n");
	217	ERR_print_errors(bio_err);
	218	goto end;
	219	}
	220
	221
	222	if(infile) {
	223	if(!(in = BIO_new_file(infile, "rb"))) {
	224	BIO_printf(bio_err, "Error Reading Input File\n");
	225	ERR_print_errors(bio_err);
	226	goto end;
	227	}
	228	} else in = BIO_new_fp(stdin, BIO_NOCLOSE);
	229
	230	if(outfile) {
	231	if(!(out = BIO_new_file(outfile, "wb"))) {
	232	BIO_printf(bio_err, "Error Reading Output File\n");
	233	ERR_print_errors(bio_err);
	234	goto end;
	235	}
645749ef RL	236	} else {
645749ef RL	237	out = BIO_new_fp(stdout, BIO_NOCLOSE);
bc36ee62	238	#ifdef OPENSSL_SYS_VMS
645749ef RL	239	{
	240	BIO *tmpbio = BIO_new(BIO_f_linebuffer());
	241	out = BIO_push(tmpbio, out);
	242	}
	243	#endif
	244	}
bd08a2bd DSH	245
	246	keysize = RSA_size(rsa);
	247
	248	rsa_in = OPENSSL_malloc(keysize * 2);
	249	rsa_out = OPENSSL_malloc(keysize);
	250
	251	/* Read the input data */
	252	rsa_inlen = BIO_read(in, rsa_in, keysize * 2);
	253	if(rsa_inlen <= 0) {
	254	BIO_printf(bio_err, "Error reading input Data\n");
	255	exit(1);
	256	}
	257	if(rev) {
	258	int i;
	259	unsigned char ctmp;
	260	for(i = 0; i < rsa_inlen/2; i++) {
	261	ctmp = rsa_in[i];
	262	rsa_in[i] = rsa_in[rsa_inlen - 1 - i];
	263	rsa_in[rsa_inlen - 1 - i] = ctmp;
	264	}
	265	}
	266	switch(rsa_mode) {
	267
	268	case RSA_VERIFY:
	269	rsa_outlen = RSA_public_decrypt(rsa_inlen, rsa_in, rsa_out, rsa, pad);
	270	break;
	271
	272	case RSA_SIGN:
	273	rsa_outlen = RSA_private_encrypt(rsa_inlen, rsa_in, rsa_out, rsa, pad);
	274	break;
	275
	276	case RSA_ENCRYPT:
	277	rsa_outlen = RSA_public_encrypt(rsa_inlen, rsa_in, rsa_out, rsa, pad);
	278	break;
	279
	280	case RSA_DECRYPT:
	281	rsa_outlen = RSA_private_decrypt(rsa_inlen, rsa_in, rsa_out, rsa, pad);
	282	break;
	283
	284	}
	285
	286	if(rsa_outlen <= 0) {
	287	BIO_printf(bio_err, "RSA operation error\n");
	288	ERR_print_errors(bio_err);
	289	goto end;
	290	}
	291	ret = 0;
	292	if(asn1parse) {
	293	if(!ASN1_parse_dump(out, rsa_out, rsa_outlen, 1, -1)) {
	294	ERR_print_errors(bio_err);
	295	}
	296	} else if(hexdump) BIO_dump(out, (char *)rsa_out, rsa_outlen);
	297	else BIO_write(out, rsa_out, rsa_outlen);
	298	end:
	299	RSA_free(rsa);
	300	BIO_free(in);
645749ef	301	BIO_free_all(out);
bd08a2bd DSH	302	if(rsa_in) OPENSSL_free(rsa_in);
bd08a2bd DSH	303	if(rsa_out) OPENSSL_free(rsa_out);
dfe399e7	304	if(passin) OPENSSL_free(passin);
bd08a2bd DSH	305	return ret;
	306	}
	307
	308	static void usage()
	309	{
	310	BIO_printf(bio_err, "Usage: rsautl [options]\n");
	311	BIO_printf(bio_err, "-in file input file\n");
	312	BIO_printf(bio_err, "-out file output file\n");
	313	BIO_printf(bio_err, "-inkey file input key\n");
17bcb8d4	314	BIO_printf(bio_err, "-keyform arg private key format - default PEM\n");
bd08a2bd DSH	315	BIO_printf(bio_err, "-pubin input is an RSA public\n");
	316	BIO_printf(bio_err, "-certin input is a certificate carrying an RSA public key\n");
	317	BIO_printf(bio_err, "-ssl use SSL v2 padding\n");
	318	BIO_printf(bio_err, "-raw use no padding\n");
1af407e7	319	BIO_printf(bio_err, "-pkcs use PKCS#1 v1.5 padding (default)\n");
2b40660e	320	BIO_printf(bio_err, "-oaep use PKCS#1 OAEP\n");
bd08a2bd DSH	321	BIO_printf(bio_err, "-sign sign with private key\n");
	322	BIO_printf(bio_err, "-verify verify with public key\n");
	323	BIO_printf(bio_err, "-encrypt encrypt with public key\n");
	324	BIO_printf(bio_err, "-decrypt decrypt with private key\n");
	325	BIO_printf(bio_err, "-hexdump hex dump output\n");
0b13e9f0	326	#ifndef OPENSSL_NO_ENGINE
17bcb8d4	327	BIO_printf(bio_err, "-engine e use engine e, possibly a hardware device.\n");
dfe399e7	328	BIO_printf (bio_err, "-passin arg pass phrase source\n");
0b13e9f0	329	#endif
17bcb8d4	330
bd08a2bd DSH	331	}
bd08a2bd DSH	332
28967cf0	333	#endif