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

/* apps/rsa.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young (eay@cryptsoft.com).
 * The implementation was written so as to conform with Netscapes SSL.
 * 
 * This library is free for commercial and non-commercial use as long as
 * the following conditions are aheared to.  The following conditions
 * apply to all code found in this distribution, be it the RC4, RSA,
 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
 * included with this distribution is covered by the same copyright terms
 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
 * 
 * Copyright remains Eric Young's, and as such any Copyright notices in
 * the code are not to be removed.
 * If this package is used in a product, Eric Young should be given attribution
 * as the author of the parts of the library used.
 * This can be in the form of a textual message at program startup or
 * in documentation (online or textual) provided with the package.
 * 
 * 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 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 acknowledgement:
 *    "This product includes cryptographic software written by
 *     Eric Young (eay@cryptsoft.com)"
 *    The word 'cryptographic' can be left out if the rouines from the library
 *    being used are not cryptographic related :-).
 * 4. If you include any Windows specific code (or a derivative thereof) from 
 *    the apps directory (application code) you must include an acknowledgement:
 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
 * 
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
 * ANY EXPRESS 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 AUTHOR OR 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.
 * 
 * The licence and distribution terms for any publically available version or
 * derivative of this code cannot be changed.  i.e. this code cannot simply be
 * copied and put under another distribution licence
 * [including the GNU Public Licence.]
 */

#ifndef OPENSSL_NO_RSA
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "apps.h"
#include <openssl/bio.h>
#include <openssl/err.h>
#include <openssl/rsa.h>
#include <openssl/evp.h>
#include <openssl/x509.h>
#include <openssl/pem.h>
#include <openssl/bn.h>

#undef PROG
#define PROG	rsa_main

/* -inform arg	- input format - default PEM (one of DER, NET or PEM)
 * -outform arg - output format - default PEM
 * -in arg	- input file - default stdin
 * -out arg	- output file - default stdout
 * -des		- encrypt output if PEM format with DES in cbc mode
 * -des3	- encrypt output if PEM format
 * -idea	- encrypt output if PEM format
 * -aes128	- encrypt output if PEM format
 * -aes192	- encrypt output if PEM format
 * -aes256	- encrypt output if PEM format
 * -text	- print a text version
 * -modulus	- print the RSA key modulus
 * -check	- verify key consistency
 * -pubin	- Expect a public key in input file.
 * -pubout	- Output a public key.
 */

int MAIN(int, char **);

int MAIN(int argc, char **argv)
	{
	ENGINE *e = NULL;
	int ret=1;
	RSA *rsa=NULL;
	int i,badops=0, sgckey=0;
	const EVP_CIPHER *enc=NULL;
	BIO *out=NULL;
	int informat,outformat,text=0,check=0,noout=0;
	int pubin = 0, pubout = 0;
	char *infile,*outfile,*prog;
	char *passargin = NULL, *passargout = NULL;
	char *passin = NULL, *passout = NULL;
#ifndef OPENSSL_NO_ENGINE
	char *engine=NULL;
#endif
	int modulus=0;

	apps_startup();

	if (bio_err == NULL)
		if ((bio_err=BIO_new(BIO_s_file())) != NULL)
			BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);

	if (!load_config(bio_err, NULL))
		goto end;

	infile=NULL;
	outfile=NULL;
	informat=FORMAT_PEM;
	outformat=FORMAT_PEM;

	prog=argv[0];
	argc--;
	argv++;
	while (argc >= 1)
		{
		if 	(strcmp(*argv,"-inform") == 0)
			{
			if (--argc < 1) goto bad;
			informat=str2fmt(*(++argv));
			}
		else if (strcmp(*argv,"-outform") == 0)
			{
			if (--argc < 1) goto bad;
			outformat=str2fmt(*(++argv));
			}
		else if (strcmp(*argv,"-in") == 0)
			{
			if (--argc < 1) goto bad;
			infile= *(++argv);
			}
		else if (strcmp(*argv,"-out") == 0)
			{
			if (--argc < 1) goto bad;
			outfile= *(++argv);
			}
		else if (strcmp(*argv,"-passin") == 0)
			{
			if (--argc < 1) goto bad;
			passargin= *(++argv);
			}
		else if (strcmp(*argv,"-passout") == 0)
			{
			if (--argc < 1) goto bad;
			passargout= *(++argv);
			}
#ifndef OPENSSL_NO_ENGINE
		else if (strcmp(*argv,"-engine") == 0)
			{
			if (--argc < 1) goto bad;
			engine= *(++argv);
			}
#endif
		else if (strcmp(*argv,"-sgckey") == 0)
			sgckey=1;
		else if (strcmp(*argv,"-pubin") == 0)
			pubin=1;
		else if (strcmp(*argv,"-pubout") == 0)
			pubout=1;
		else if (strcmp(*argv,"-noout") == 0)
			noout=1;
		else if (strcmp(*argv,"-text") == 0)
			text=1;
		else if (strcmp(*argv,"-modulus") == 0)
			modulus=1;
		else if (strcmp(*argv,"-check") == 0)
			check=1;
		else if ((enc=EVP_get_cipherbyname(&(argv[0][1]))) == NULL)
			{
			BIO_printf(bio_err,"unknown option %s\n",*argv);
			badops=1;
			break;
			}
		argc--;
		argv++;
		}

	if (badops)
		{
bad:
		BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
		BIO_printf(bio_err,"where options are\n");
		BIO_printf(bio_err," -inform arg     input format - one of DER NET PEM\n");
		BIO_printf(bio_err," -outform arg    output format - one of DER NET PEM\n");
		BIO_printf(bio_err," -in arg         input file\n");
		BIO_printf(bio_err," -sgckey         Use IIS SGC key format\n");
		BIO_printf(bio_err," -passin arg     input file pass phrase source\n");
		BIO_printf(bio_err," -out arg        output file\n");
		BIO_printf(bio_err," -passout arg    output file pass phrase source\n");
		BIO_printf(bio_err," -des            encrypt PEM output with cbc des\n");
		BIO_printf(bio_err," -des3           encrypt PEM output with ede cbc des using 168 bit key\n");
#ifndef OPENSSL_NO_IDEA
		BIO_printf(bio_err," -idea           encrypt PEM output with cbc idea\n");
#endif
#ifndef OPENSSL_NO_AES
		BIO_printf(bio_err," -aes128, -aes192, -aes256\n");
		BIO_printf(bio_err,"                 encrypt PEM output with cbc aes\n");
#endif
		BIO_printf(bio_err," -text           print the key in text\n");
		BIO_printf(bio_err," -noout          don't print key out\n");
		BIO_printf(bio_err," -modulus        print the RSA key modulus\n");
		BIO_printf(bio_err," -check          verify key consistency\n");
		BIO_printf(bio_err," -pubin          expect a public key in input file\n");
		BIO_printf(bio_err," -pubout         output a public key\n");
#ifndef OPENSSL_NO_ENGINE
		BIO_printf(bio_err," -engine e       use engine e, possibly a hardware device.\n");
#endif
		goto end;
		}

	ERR_load_crypto_strings();

#ifndef OPENSSL_NO_ENGINE
        e = setup_engine(bio_err, engine, 0);
#endif

	if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
		BIO_printf(bio_err, "Error getting passwords\n");
		goto end;
	}

	if(check && pubin) {
		BIO_printf(bio_err, "Only private keys can be checked\n");
		goto end;
	}

	out=BIO_new(BIO_s_file());

	{
		EVP_PKEY	*pkey;

		if (pubin)
			pkey = load_pubkey(bio_err, infile,
				(informat == FORMAT_NETSCAPE && sgckey ?
					FORMAT_IISSGC : informat), 1,
				passin, e, "Public Key");
		else
			pkey = load_key(bio_err, infile,
				(informat == FORMAT_NETSCAPE && sgckey ?
					FORMAT_IISSGC : informat), 1,
				passin, e, "Private Key");

		if (pkey != NULL)
		rsa = pkey == NULL ? NULL : EVP_PKEY_get1_RSA(pkey);
		EVP_PKEY_free(pkey);
	}

	if (rsa == NULL)
		{
		ERR_print_errors(bio_err);
		goto end;
		}

	if (outfile == NULL)
		{
		BIO_set_fp(out,stdout,BIO_NOCLOSE);
#ifdef OPENSSL_SYS_VMS
		{
		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
		out = BIO_push(tmpbio, out);
		}
#endif
		}
	else
		{
		if (BIO_write_filename(out,outfile) <= 0)
			{
			perror(outfile);
			goto end;
			}
		}

	if (text) 
		if (!RSA_print(out,rsa,0))
			{
			perror(outfile);
			ERR_print_errors(bio_err);
			goto end;
			}

	if (modulus)
		{
		BIO_printf(out,"Modulus=");
		BN_print(out,rsa->n);
		BIO_printf(out,"\n");
		}

	if (check)
		{
		int r = RSA_check_key(rsa);

		if (r == 1)
			BIO_printf(out,"RSA key ok\n");
		else if (r == 0)
			{
			unsigned long err;

			while ((err = ERR_peek_error()) != 0 &&
				ERR_GET_LIB(err) == ERR_LIB_RSA &&
				ERR_GET_FUNC(err) == RSA_F_RSA_CHECK_KEY &&
				ERR_GET_REASON(err) != ERR_R_MALLOC_FAILURE)
				{
				BIO_printf(out, "RSA key error: %s\n", ERR_reason_error_string(err));
				ERR_get_error(); /* remove e from error stack */
				}
			}
		
		if (r == -1 || ERR_peek_error() != 0) /* should happen only if r == -1 */
			{
			ERR_print_errors(bio_err);
			goto end;
			}
		}
		
	if (noout)
		{
		ret = 0;
		goto end;
		}
	BIO_printf(bio_err,"writing RSA key\n");
	if 	(outformat == FORMAT_ASN1) {
		if(pubout || pubin) i=i2d_RSA_PUBKEY_bio(out,rsa);
		else i=i2d_RSAPrivateKey_bio(out,rsa);
	}
#ifndef OPENSSL_NO_RC4
	else if (outformat == FORMAT_NETSCAPE)
		{
		unsigned char *p,*pp;
		int size;

		i=1;
		size=i2d_RSA_NET(rsa,NULL,NULL, sgckey);
		if ((p=(unsigned char *)OPENSSL_malloc(size)) == NULL)
			{
			BIO_printf(bio_err,"Memory allocation failure\n");
			goto end;
			}
		pp=p;
		i2d_RSA_NET(rsa,&p,NULL, sgckey);
		BIO_write(out,(char *)pp,size);
		OPENSSL_free(pp);
		}
#endif
	else if (outformat == FORMAT_PEM) {
		if(pubout || pubin)
		    i=PEM_write_bio_RSA_PUBKEY(out,rsa);
		else i=PEM_write_bio_RSAPrivateKey(out,rsa,
						enc,NULL,0,NULL,passout);
	} else	{
		BIO_printf(bio_err,"bad output format specified for outfile\n");
		goto end;
		}
	if (!i)
		{
		BIO_printf(bio_err,"unable to write key\n");
		ERR_print_errors(bio_err);
		}
	else
		ret=0;
end:
	if(out != NULL) BIO_free_all(out);
	if(rsa != NULL) RSA_free(rsa);
	if(passin) OPENSSL_free(passin);
	if(passout) OPENSSL_free(passout);
	apps_shutdown();
	OPENSSL_EXIT(ret);
	}
#else /* !OPENSSL_NO_RSA */

# if PEDANTIC
static void *dummy=&dummy;
# endif

#endif
Commit	Line	Data
d02b48c6	1	/* apps/rsa.c */
58964a49	2	/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
d02b48c6 RE	3	* All rights reserved.
	4	*
	5	* This package is an SSL implementation written
	6	* by Eric Young (eay@cryptsoft.com).
	7	* The implementation was written so as to conform with Netscapes SSL.
	8	*
	9	* This library is free for commercial and non-commercial use as long as
	10	* the following conditions are aheared to. The following conditions
	11	* apply to all code found in this distribution, be it the RC4, RSA,
	12	* lhash, DES, etc., code; not just the SSL code. The SSL documentation
	13	* included with this distribution is covered by the same copyright terms
	14	* except that the holder is Tim Hudson (tjh@cryptsoft.com).
	15	*
	16	* Copyright remains Eric Young's, and as such any Copyright notices in
	17	* the code are not to be removed.
	18	* If this package is used in a product, Eric Young should be given attribution
	19	* as the author of the parts of the library used.
	20	* This can be in the form of a textual message at program startup or
	21	* in documentation (online or textual) provided with the package.
	22	*
	23	* Redistribution and use in source and binary forms, with or without
	24	* modification, are permitted provided that the following conditions
	25	* are met:
	26	* 1. Redistributions of source code must retain the copyright
	27	* notice, this list of conditions and the following disclaimer.
	28	* 2. Redistributions in binary form must reproduce the above copyright
	29	* notice, this list of conditions and the following disclaimer in the
	30	* documentation and/or other materials provided with the distribution.
	31	* 3. All advertising materials mentioning features or use of this software
	32	* must display the following acknowledgement:
	33	* "This product includes cryptographic software written by
	34	* Eric Young (eay@cryptsoft.com)"
	35	* The word 'cryptographic' can be left out if the rouines from the library
	36	* being used are not cryptographic related :-).
	37	* 4. If you include any Windows specific code (or a derivative thereof) from
	38	* the apps directory (application code) you must include an acknowledgement:
	39	* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
	40	*
	41	* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
	42	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	43	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	44	* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
	45	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	46	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	47	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	48	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	49	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	50	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	51	* SUCH DAMAGE.
	52	*
	53	* The licence and distribution terms for any publically available version or
	54	* derivative of this code cannot be changed. i.e. this code cannot simply be
	55	* copied and put under another distribution licence
	56	* [including the GNU Public Licence.]
	57	*/
	58
cf1b7d96	59	#ifndef OPENSSL_NO_RSA
d02b48c6 RE	60	#include <stdio.h>
	61	#include <stdlib.h>
	62	#include <string.h>
	63	#include <time.h>
	64	#include "apps.h"
ec577822 BM	65	#include <openssl/bio.h>
	66	#include <openssl/err.h>
	67	#include <openssl/rsa.h>
	68	#include <openssl/evp.h>
	69	#include <openssl/x509.h>
	70	#include <openssl/pem.h>
f0eae953	71	#include <openssl/bn.h>
d02b48c6 RE	72
	73	#undef PROG
	74	#define PROG rsa_main
	75
	76	/* -inform arg - input format - default PEM (one of DER, NET or PEM)
	77	* -outform arg - output format - default PEM
	78	* -in arg - input file - default stdin
	79	* -out arg - output file - default stdout
	80	* -des - encrypt output if PEM format with DES in cbc mode
	81	* -des3 - encrypt output if PEM format
	82	* -idea - encrypt output if PEM format
b3dfaaa1 RL	83	* -aes128 - encrypt output if PEM format
	84	* -aes192 - encrypt output if PEM format
	85	* -aes256 - encrypt output if PEM format
d02b48c6 RE	86	* -text - print a text version
d02b48c6 RE	87	* -modulus - print the RSA key modulus
03cd4944	88	* -check - verify key consistency
3ea23631 DSH	89	* -pubin - Expect a public key in input file.
3ea23631 DSH	90	* -pubout - Output a public key.
d02b48c6 RE	91	*/
d02b48c6 RE	92
667ac4ec RE	93	int MAIN(int, char **);
667ac4ec RE	94
6b691a5c	95	int MAIN(int argc, char **argv)
d02b48c6	96	{
5270e702	97	ENGINE *e = NULL;
d02b48c6 RE	98	int ret=1;
d02b48c6 RE	99	RSA *rsa=NULL;
d3ed8ceb	100	int i,badops=0, sgckey=0;
e778802f	101	const EVP_CIPHER *enc=NULL;
80bb905d	102	BIO *out=NULL;
03cd4944	103	int informat,outformat,text=0,check=0,noout=0;
3ea23631	104	int pubin = 0, pubout = 0;
d02b48c6	105	char infile,outfile,*prog;
a3fe382e	106	char passargin = NULL, passargout = NULL;
af29811e	107	char passin = NULL, passout = NULL;
0b13e9f0	108	#ifndef OPENSSL_NO_ENGINE
5270e702	109	char *engine=NULL;
0b13e9f0	110	#endif
d02b48c6 RE	111	int modulus=0;
	112
	113	apps_startup();
	114
	115	if (bio_err == NULL)
	116	if ((bio_err=BIO_new(BIO_s_file())) != NULL)
58964a49	117	BIO_set_fp(bio_err,stderr,BIO_NOCLOSE\|BIO_FP_TEXT);
d02b48c6	118
3647bee2 DSH	119	if (!load_config(bio_err, NULL))
	120	goto end;
	121
d02b48c6 RE	122	infile=NULL;
	123	outfile=NULL;
	124	informat=FORMAT_PEM;
	125	outformat=FORMAT_PEM;
	126
	127	prog=argv[0];
	128	argc--;
	129	argv++;
	130	while (argc >= 1)
	131	{
	132	if (strcmp(*argv,"-inform") == 0)
	133	{
	134	if (--argc < 1) goto bad;
	135	informat=str2fmt(*(++argv));
	136	}
	137	else if (strcmp(*argv,"-outform") == 0)
	138	{
	139	if (--argc < 1) goto bad;
	140	outformat=str2fmt(*(++argv));
	141	}
	142	else if (strcmp(*argv,"-in") == 0)
	143	{
	144	if (--argc < 1) goto bad;
	145	infile= *(++argv);
	146	}
	147	else if (strcmp(*argv,"-out") == 0)
	148	{
	149	if (--argc < 1) goto bad;
	150	outfile= *(++argv);
	151	}
af29811e DSH	152	else if (strcmp(*argv,"-passin") == 0)
	153	{
	154	if (--argc < 1) goto bad;
a3fe382e	155	passargin= *(++argv);
af29811e DSH	156	}
	157	else if (strcmp(*argv,"-passout") == 0)
	158	{
	159	if (--argc < 1) goto bad;
a3fe382e	160	passargout= *(++argv);
af29811e	161	}
0b13e9f0	162	#ifndef OPENSSL_NO_ENGINE
5270e702 RL	163	else if (strcmp(*argv,"-engine") == 0)
	164	{
	165	if (--argc < 1) goto bad;
	166	engine= *(++argv);
	167	}
0b13e9f0	168	#endif
d3ed8ceb DSH	169	else if (strcmp(*argv,"-sgckey") == 0)
d3ed8ceb DSH	170	sgckey=1;
3ea23631 DSH	171	else if (strcmp(*argv,"-pubin") == 0)
	172	pubin=1;
	173	else if (strcmp(*argv,"-pubout") == 0)
	174	pubout=1;
d02b48c6 RE	175	else if (strcmp(*argv,"-noout") == 0)
	176	noout=1;
	177	else if (strcmp(*argv,"-text") == 0)
	178	text=1;
	179	else if (strcmp(*argv,"-modulus") == 0)
	180	modulus=1;
03cd4944 BM	181	else if (strcmp(*argv,"-check") == 0)
03cd4944 BM	182	check=1;
d02b48c6 RE	183	else if ((enc=EVP_get_cipherbyname(&(argv[0][1]))) == NULL)
	184	{
	185	BIO_printf(bio_err,"unknown option %s\n",*argv);
	186	badops=1;
	187	break;
	188	}
	189	argc--;
	190	argv++;
	191	}
	192
	193	if (badops)
	194	{
	195	bad:
	196	BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
	197	BIO_printf(bio_err,"where options are\n");
af29811e DSH	198	BIO_printf(bio_err," -inform arg input format - one of DER NET PEM\n");
	199	BIO_printf(bio_err," -outform arg output format - one of DER NET PEM\n");
	200	BIO_printf(bio_err," -in arg input file\n");
d3ed8ceb	201	BIO_printf(bio_err," -sgckey Use IIS SGC key format\n");
a3fe382e	202	BIO_printf(bio_err," -passin arg input file pass phrase source\n");
af29811e	203	BIO_printf(bio_err," -out arg output file\n");
a3fe382e	204	BIO_printf(bio_err," -passout arg output file pass phrase source\n");
af29811e DSH	205	BIO_printf(bio_err," -des encrypt PEM output with cbc des\n");
af29811e DSH	206	BIO_printf(bio_err," -des3 encrypt PEM output with ede cbc des using 168 bit key\n");
cf1b7d96	207	#ifndef OPENSSL_NO_IDEA
af29811e	208	BIO_printf(bio_err," -idea encrypt PEM output with cbc idea\n");
b3dfaaa1 RL	209	#endif
	210	#ifndef OPENSSL_NO_AES
	211	BIO_printf(bio_err," -aes128, -aes192, -aes256\n");
	212	BIO_printf(bio_err," encrypt PEM output with cbc aes\n");
d02b48c6	213	#endif
af29811e DSH	214	BIO_printf(bio_err," -text print the key in text\n");
	215	BIO_printf(bio_err," -noout don't print key out\n");
	216	BIO_printf(bio_err," -modulus print the RSA key modulus\n");
	217	BIO_printf(bio_err," -check verify key consistency\n");
	218	BIO_printf(bio_err," -pubin expect a public key in input file\n");
	219	BIO_printf(bio_err," -pubout output a public key\n");
0b13e9f0	220	#ifndef OPENSSL_NO_ENGINE
5270e702	221	BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n");
0b13e9f0	222	#endif
d02b48c6 RE	223	goto end;
	224	}
	225
	226	ERR_load_crypto_strings();
	227
0b13e9f0	228	#ifndef OPENSSL_NO_ENGINE
531d630b	229	e = setup_engine(bio_err, engine, 0);
0b13e9f0	230	#endif
5270e702	231
a3fe382e DSH	232	if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
	233	BIO_printf(bio_err, "Error getting passwords\n");
	234	goto end;
	235	}
	236
52664f50 DSH	237	if(check && pubin) {
	238	BIO_printf(bio_err, "Only private keys can be checked\n");
	239	goto end;
	240	}
	241
d02b48c6	242	out=BIO_new(BIO_s_file());
d02b48c6	243
80bb905d RL	244	{
80bb905d RL	245	EVP_PKEY *pkey;
d02b48c6	246
80bb905d RL	247	if (pubin)
	248	pkey = load_pubkey(bio_err, infile,
	249	(informat == FORMAT_NETSCAPE && sgckey ?
da9b9724	250	FORMAT_IISSGC : informat), 1,
80bb905d RL	251	passin, e, "Public Key");
	252	else
	253	pkey = load_key(bio_err, infile,
	254	(informat == FORMAT_NETSCAPE && sgckey ?
da9b9724	255	FORMAT_IISSGC : informat), 1,
80bb905d	256	passin, e, "Private Key");
d02b48c6	257
80bb905d RL	258	if (pkey != NULL)
	259	rsa = pkey == NULL ? NULL : EVP_PKEY_get1_RSA(pkey);
	260	EVP_PKEY_free(pkey);
3ea23631	261	}
80bb905d	262
d02b48c6 RE	263	if (rsa == NULL)
d02b48c6 RE	264	{
d02b48c6 RE	265	ERR_print_errors(bio_err);
	266	goto end;
	267	}
	268
	269	if (outfile == NULL)
645749ef	270	{
d02b48c6	271	BIO_set_fp(out,stdout,BIO_NOCLOSE);
bc36ee62	272	#ifdef OPENSSL_SYS_VMS
645749ef RL	273	{
	274	BIO *tmpbio = BIO_new(BIO_f_linebuffer());
	275	out = BIO_push(tmpbio, out);
	276	}
	277	#endif
	278	}
d02b48c6 RE	279	else
	280	{
	281	if (BIO_write_filename(out,outfile) <= 0)
	282	{
	283	perror(outfile);
	284	goto end;
	285	}
	286	}
	287
	288	if (text)
	289	if (!RSA_print(out,rsa,0))
	290	{
	291	perror(outfile);
	292	ERR_print_errors(bio_err);
	293	goto end;
	294	}
	295
	296	if (modulus)
	297	{
52664f50	298	BIO_printf(out,"Modulus=");
d02b48c6	299	BN_print(out,rsa->n);
52664f50	300	BIO_printf(out,"\n");
d02b48c6 RE	301	}
d02b48c6 RE	302
03cd4944	303	if (check)
3a55fc1a BM	304	{
	305	int r = RSA_check_key(rsa);
	306
	307	if (r == 1)
03cd4944	308	BIO_printf(out,"RSA key ok\n");
3a55fc1a	309	else if (r == 0)
03cd4944	310	{
7d727231	311	unsigned long err;
03cd4944	312
5270e702 RL	313	while ((err = ERR_peek_error()) != 0 &&
	314	ERR_GET_LIB(err) == ERR_LIB_RSA &&
	315	ERR_GET_FUNC(err) == RSA_F_RSA_CHECK_KEY &&
	316	ERR_GET_REASON(err) != ERR_R_MALLOC_FAILURE)
03cd4944	317	{
5270e702	318	BIO_printf(out, "RSA key error: %s\n", ERR_reason_error_string(err));
03cd4944 BM	319	ERR_get_error(); /* remove e from error stack */
03cd4944 BM	320	}
03cd4944	321	}
3a55fc1a BM	322
	323	if (r == -1 \|\| ERR_peek_error() != 0) /* should happen only if r == -1 */
	324	{
	325	ERR_print_errors(bio_err);
	326	goto end;
	327	}
	328	}
	329
2cfa6921 BM	330	if (noout)
	331	{
	332	ret = 0;
	333	goto end;
	334	}
3ea23631 DSH	335	BIO_printf(bio_err,"writing RSA key\n");
3ea23631 DSH	336	if (outformat == FORMAT_ASN1) {
52664f50	337	if(pubout \|\| pubin) i=i2d_RSA_PUBKEY_bio(out,rsa);
3ea23631 DSH	338	else i=i2d_RSAPrivateKey_bio(out,rsa);
3ea23631 DSH	339	}
cf1b7d96	340	#ifndef OPENSSL_NO_RC4
d02b48c6 RE	341	else if (outformat == FORMAT_NETSCAPE)
	342	{
	343	unsigned char p,pp;
	344	int size;
	345
	346	i=1;
d3ed8ceb	347	size=i2d_RSA_NET(rsa,NULL,NULL, sgckey);
26a3a48d	348	if ((p=(unsigned char *)OPENSSL_malloc(size)) == NULL)
d02b48c6	349	{
26a3a48d	350	BIO_printf(bio_err,"Memory allocation failure\n");
d02b48c6 RE	351	goto end;
	352	}
	353	pp=p;
d3ed8ceb	354	i2d_RSA_NET(rsa,&p,NULL, sgckey);
d02b48c6	355	BIO_write(out,(char *)pp,size);
26a3a48d	356	OPENSSL_free(pp);
d02b48c6 RE	357	}
d02b48c6 RE	358	#endif
3ea23631 DSH	359	else if (outformat == FORMAT_PEM) {
3ea23631 DSH	360	if(pubout \|\| pubin)
52664f50	361	i=PEM_write_bio_RSA_PUBKEY(out,rsa);
36217a94	362	else i=PEM_write_bio_RSAPrivateKey(out,rsa,
a3fe382e	363	enc,NULL,0,NULL,passout);
3ea23631	364	} else {
d02b48c6 RE	365	BIO_printf(bio_err,"bad output format specified for outfile\n");
	366	goto end;
	367	}
	368	if (!i)
	369	{
3ea23631	370	BIO_printf(bio_err,"unable to write key\n");
d02b48c6 RE	371	ERR_print_errors(bio_err);
	372	}
	373	else
	374	ret=0;
	375	end:
645749ef	376	if(out != NULL) BIO_free_all(out);
a3fe382e	377	if(rsa != NULL) RSA_free(rsa);
26a3a48d RL	378	if(passin) OPENSSL_free(passin);
26a3a48d RL	379	if(passout) OPENSSL_free(passout);
c04f8cf4	380	apps_shutdown();
1c3e4a36	381	OPENSSL_EXIT(ret);
d02b48c6	382	}
cf1b7d96	383	#else /* !OPENSSL_NO_RSA */
752d706a BL	384
	385	# if PEDANTIC
	386	static void *dummy=&dummy;
	387	# endif
	388
f5d7a031	389	#endif