[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/engine.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
 * -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 *in=NULL,*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;
	char *engine=NULL;
	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);

	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);
			}
		else if (strcmp(*argv,"-engine") == 0)
			{
			if (--argc < 1) goto bad;
			engine= *(++argv);
			}
		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
		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");
		BIO_printf(bio_err," -engine e       use engine e, possibly a hardware device.\n");
		goto end;
		}

	ERR_load_crypto_strings();

        e = setup_engine(bio_err, engine, 0);

	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;
	}

	in=BIO_new(BIO_s_file());
	out=BIO_new(BIO_s_file());
	if ((in == NULL) || (out == NULL))
		{
		ERR_print_errors(bio_err);
		goto end;
		}

	if (infile == NULL)
		BIO_set_fp(in,stdin,BIO_NOCLOSE);
	else
		{
		if (BIO_read_filename(in,infile) <= 0)
			{
			perror(infile);
			goto end;
			}
		}

	BIO_printf(bio_err,"read RSA key\n");
	if	(informat == FORMAT_ASN1) {
		if (pubin) rsa=d2i_RSA_PUBKEY_bio(in,NULL);
		else rsa=d2i_RSAPrivateKey_bio(in,NULL);
	}
#ifndef OPENSSL_NO_RC4
	else if (informat == FORMAT_NETSCAPE)
		{
		BUF_MEM *buf=NULL;
		const unsigned char *p;
		int size=0;

		buf=BUF_MEM_new();
		for (;;)
			{
			if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
				goto end;
			i=BIO_read(in,&(buf->data[size]),1024*10);
			size+=i;
			if (i == 0) break;
			if (i < 0)
				{
				perror("reading private key");
				BUF_MEM_free(buf);
				goto end;
				}
			}
		p=(unsigned char *)buf->data;
		rsa=d2i_RSA_NET(NULL,&p,(long)size,NULL, sgckey);
		BUF_MEM_free(buf);
		}
#endif
	else if (informat == FORMAT_PEM) {
		if(pubin) rsa=PEM_read_bio_RSA_PUBKEY(in,NULL,NULL,NULL);
		else rsa=PEM_read_bio_RSAPrivateKey(in,NULL, NULL,passin);
	}
	else
		{
		BIO_printf(bio_err,"bad input format specified for key\n");
		goto end;
		}
	if (rsa == NULL)
		{
		BIO_printf(bio_err,"unable to load key\n");
		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)
			{
			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(in != NULL) BIO_free(in);
	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();
	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>
5270e702	71	#include <openssl/engine.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
	83	* -text - print a text version
	84	* -modulus - print the RSA key modulus
03cd4944	85	* -check - verify key consistency
3ea23631 DSH	86	* -pubin - Expect a public key in input file.
3ea23631 DSH	87	* -pubout - Output a public key.
d02b48c6 RE	88	*/
d02b48c6 RE	89
667ac4ec RE	90	int MAIN(int, char **);
667ac4ec RE	91
6b691a5c	92	int MAIN(int argc, char **argv)
d02b48c6	93	{
5270e702	94	ENGINE *e = NULL;
d02b48c6 RE	95	int ret=1;
d02b48c6 RE	96	RSA *rsa=NULL;
d3ed8ceb	97	int i,badops=0, sgckey=0;
e778802f	98	const EVP_CIPHER *enc=NULL;
d02b48c6	99	BIO in=NULL,out=NULL;
03cd4944	100	int informat,outformat,text=0,check=0,noout=0;
3ea23631	101	int pubin = 0, pubout = 0;
d02b48c6	102	char infile,outfile,*prog;
a3fe382e	103	char passargin = NULL, passargout = NULL;
af29811e	104	char passin = NULL, passout = NULL;
5270e702	105	char *engine=NULL;
d02b48c6 RE	106	int modulus=0;
	107
	108	apps_startup();
	109
	110	if (bio_err == NULL)
	111	if ((bio_err=BIO_new(BIO_s_file())) != NULL)
58964a49	112	BIO_set_fp(bio_err,stderr,BIO_NOCLOSE\|BIO_FP_TEXT);
d02b48c6 RE	113
	114	infile=NULL;
	115	outfile=NULL;
	116	informat=FORMAT_PEM;
	117	outformat=FORMAT_PEM;
	118
	119	prog=argv[0];
	120	argc--;
	121	argv++;
	122	while (argc >= 1)
	123	{
	124	if (strcmp(*argv,"-inform") == 0)
	125	{
	126	if (--argc < 1) goto bad;
	127	informat=str2fmt(*(++argv));
	128	}
	129	else if (strcmp(*argv,"-outform") == 0)
	130	{
	131	if (--argc < 1) goto bad;
	132	outformat=str2fmt(*(++argv));
	133	}
	134	else if (strcmp(*argv,"-in") == 0)
	135	{
	136	if (--argc < 1) goto bad;
	137	infile= *(++argv);
	138	}
	139	else if (strcmp(*argv,"-out") == 0)
	140	{
	141	if (--argc < 1) goto bad;
	142	outfile= *(++argv);
	143	}
af29811e DSH	144	else if (strcmp(*argv,"-passin") == 0)
	145	{
	146	if (--argc < 1) goto bad;
a3fe382e	147	passargin= *(++argv);
af29811e DSH	148	}
	149	else if (strcmp(*argv,"-passout") == 0)
	150	{
	151	if (--argc < 1) goto bad;
a3fe382e	152	passargout= *(++argv);
af29811e	153	}
5270e702 RL	154	else if (strcmp(*argv,"-engine") == 0)
	155	{
	156	if (--argc < 1) goto bad;
	157	engine= *(++argv);
	158	}
d3ed8ceb DSH	159	else if (strcmp(*argv,"-sgckey") == 0)
d3ed8ceb DSH	160	sgckey=1;
3ea23631 DSH	161	else if (strcmp(*argv,"-pubin") == 0)
	162	pubin=1;
	163	else if (strcmp(*argv,"-pubout") == 0)
	164	pubout=1;
d02b48c6 RE	165	else if (strcmp(*argv,"-noout") == 0)
	166	noout=1;
	167	else if (strcmp(*argv,"-text") == 0)
	168	text=1;
	169	else if (strcmp(*argv,"-modulus") == 0)
	170	modulus=1;
03cd4944 BM	171	else if (strcmp(*argv,"-check") == 0)
03cd4944 BM	172	check=1;
d02b48c6 RE	173	else if ((enc=EVP_get_cipherbyname(&(argv[0][1]))) == NULL)
	174	{
	175	BIO_printf(bio_err,"unknown option %s\n",*argv);
	176	badops=1;
	177	break;
	178	}
	179	argc--;
	180	argv++;
	181	}
	182
	183	if (badops)
	184	{
	185	bad:
	186	BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
	187	BIO_printf(bio_err,"where options are\n");
af29811e DSH	188	BIO_printf(bio_err," -inform arg input format - one of DER NET PEM\n");
	189	BIO_printf(bio_err," -outform arg output format - one of DER NET PEM\n");
	190	BIO_printf(bio_err," -in arg input file\n");
d3ed8ceb	191	BIO_printf(bio_err," -sgckey Use IIS SGC key format\n");
a3fe382e	192	BIO_printf(bio_err," -passin arg input file pass phrase source\n");
af29811e	193	BIO_printf(bio_err," -out arg output file\n");
a3fe382e	194	BIO_printf(bio_err," -passout arg output file pass phrase source\n");
af29811e DSH	195	BIO_printf(bio_err," -des encrypt PEM output with cbc des\n");
af29811e DSH	196	BIO_printf(bio_err," -des3 encrypt PEM output with ede cbc des using 168 bit key\n");
cf1b7d96	197	#ifndef OPENSSL_NO_IDEA
af29811e	198	BIO_printf(bio_err," -idea encrypt PEM output with cbc idea\n");
d02b48c6	199	#endif
af29811e DSH	200	BIO_printf(bio_err," -text print the key in text\n");
	201	BIO_printf(bio_err," -noout don't print key out\n");
	202	BIO_printf(bio_err," -modulus print the RSA key modulus\n");
	203	BIO_printf(bio_err," -check verify key consistency\n");
	204	BIO_printf(bio_err," -pubin expect a public key in input file\n");
	205	BIO_printf(bio_err," -pubout output a public key\n");
5270e702	206	BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n");
d02b48c6 RE	207	goto end;
	208	}
	209
	210	ERR_load_crypto_strings();
	211
531d630b	212	e = setup_engine(bio_err, engine, 0);
5270e702	213
a3fe382e DSH	214	if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
	215	BIO_printf(bio_err, "Error getting passwords\n");
	216	goto end;
	217	}
	218
52664f50 DSH	219	if(check && pubin) {
	220	BIO_printf(bio_err, "Only private keys can be checked\n");
	221	goto end;
	222	}
	223
d02b48c6 RE	224	in=BIO_new(BIO_s_file());
	225	out=BIO_new(BIO_s_file());
	226	if ((in == NULL) \|\| (out == NULL))
	227	{
	228	ERR_print_errors(bio_err);
	229	goto end;
	230	}
	231
	232	if (infile == NULL)
	233	BIO_set_fp(in,stdin,BIO_NOCLOSE);
	234	else
	235	{
	236	if (BIO_read_filename(in,infile) <= 0)
	237	{
	238	perror(infile);
	239	goto end;
	240	}
	241	}
	242
52664f50	243	BIO_printf(bio_err,"read RSA key\n");
3ea23631	244	if (informat == FORMAT_ASN1) {
52664f50	245	if (pubin) rsa=d2i_RSA_PUBKEY_bio(in,NULL);
3ea23631 DSH	246	else rsa=d2i_RSAPrivateKey_bio(in,NULL);
3ea23631 DSH	247	}
cf1b7d96	248	#ifndef OPENSSL_NO_RC4
d02b48c6 RE	249	else if (informat == FORMAT_NETSCAPE)
	250	{
	251	BUF_MEM *buf=NULL;
5e4ca422	252	const unsigned char *p;
d02b48c6 RE	253	int size=0;
	254
	255	buf=BUF_MEM_new();
	256	for (;;)
	257	{
	258	if ((buf == NULL) \|\| (!BUF_MEM_grow(buf,size+1024*10)))
	259	goto end;
	260	i=BIO_read(in,&(buf->data[size]),1024*10);
	261	size+=i;
	262	if (i == 0) break;
	263	if (i < 0)
	264	{
	265	perror("reading private key");
	266	BUF_MEM_free(buf);
	267	goto end;
	268	}
	269	}
	270	p=(unsigned char *)buf->data;
d3ed8ceb	271	rsa=d2i_RSA_NET(NULL,&p,(long)size,NULL, sgckey);
d02b48c6 RE	272	BUF_MEM_free(buf);
	273	}
	274	#endif
3ea23631	275	else if (informat == FORMAT_PEM) {
52664f50	276	if(pubin) rsa=PEM_read_bio_RSA_PUBKEY(in,NULL,NULL,NULL);
a3fe382e	277	else rsa=PEM_read_bio_RSAPrivateKey(in,NULL, NULL,passin);
3ea23631	278	}
d02b48c6 RE	279	else
	280	{
	281	BIO_printf(bio_err,"bad input format specified for key\n");
	282	goto end;
	283	}
	284	if (rsa == NULL)
	285	{
52664f50	286	BIO_printf(bio_err,"unable to load key\n");
d02b48c6 RE	287	ERR_print_errors(bio_err);
	288	goto end;
	289	}
	290
	291	if (outfile == NULL)
645749ef	292	{
d02b48c6	293	BIO_set_fp(out,stdout,BIO_NOCLOSE);
bc36ee62	294	#ifdef OPENSSL_SYS_VMS
645749ef RL	295	{
	296	BIO *tmpbio = BIO_new(BIO_f_linebuffer());
	297	out = BIO_push(tmpbio, out);
	298	}
	299	#endif
	300	}
d02b48c6 RE	301	else
	302	{
	303	if (BIO_write_filename(out,outfile) <= 0)
	304	{
	305	perror(outfile);
	306	goto end;
	307	}
	308	}
	309
	310	if (text)
	311	if (!RSA_print(out,rsa,0))
	312	{
	313	perror(outfile);
	314	ERR_print_errors(bio_err);
	315	goto end;
	316	}
	317
	318	if (modulus)
	319	{
52664f50	320	BIO_printf(out,"Modulus=");
d02b48c6	321	BN_print(out,rsa->n);
52664f50	322	BIO_printf(out,"\n");
d02b48c6 RE	323	}
d02b48c6 RE	324
03cd4944	325	if (check)
3a55fc1a BM	326	{
	327	int r = RSA_check_key(rsa);
	328
	329	if (r == 1)
03cd4944	330	BIO_printf(out,"RSA key ok\n");
3a55fc1a	331	else if (r == 0)
03cd4944	332	{
5270e702	333	long err;
03cd4944	334
5270e702 RL	335	while ((err = ERR_peek_error()) != 0 &&
	336	ERR_GET_LIB(err) == ERR_LIB_RSA &&
	337	ERR_GET_FUNC(err) == RSA_F_RSA_CHECK_KEY &&
	338	ERR_GET_REASON(err) != ERR_R_MALLOC_FAILURE)
03cd4944	339	{
5270e702	340	BIO_printf(out, "RSA key error: %s\n", ERR_reason_error_string(err));
03cd4944 BM	341	ERR_get_error(); /* remove e from error stack */
03cd4944 BM	342	}
03cd4944	343	}
3a55fc1a BM	344
	345	if (r == -1 \|\| ERR_peek_error() != 0) /* should happen only if r == -1 */
	346	{
	347	ERR_print_errors(bio_err);
	348	goto end;
	349	}
	350	}
	351
2cfa6921 BM	352	if (noout)
	353	{
	354	ret = 0;
	355	goto end;
	356	}
3ea23631 DSH	357	BIO_printf(bio_err,"writing RSA key\n");
3ea23631 DSH	358	if (outformat == FORMAT_ASN1) {
52664f50	359	if(pubout \|\| pubin) i=i2d_RSA_PUBKEY_bio(out,rsa);
3ea23631 DSH	360	else i=i2d_RSAPrivateKey_bio(out,rsa);
3ea23631 DSH	361	}
cf1b7d96	362	#ifndef OPENSSL_NO_RC4
d02b48c6 RE	363	else if (outformat == FORMAT_NETSCAPE)
	364	{
	365	unsigned char p,pp;
	366	int size;
	367
	368	i=1;
d3ed8ceb	369	size=i2d_RSA_NET(rsa,NULL,NULL, sgckey);
26a3a48d	370	if ((p=(unsigned char *)OPENSSL_malloc(size)) == NULL)
d02b48c6	371	{
26a3a48d	372	BIO_printf(bio_err,"Memory allocation failure\n");
d02b48c6 RE	373	goto end;
	374	}
	375	pp=p;
d3ed8ceb	376	i2d_RSA_NET(rsa,&p,NULL, sgckey);
d02b48c6	377	BIO_write(out,(char *)pp,size);
26a3a48d	378	OPENSSL_free(pp);
d02b48c6 RE	379	}
d02b48c6 RE	380	#endif
3ea23631 DSH	381	else if (outformat == FORMAT_PEM) {
3ea23631 DSH	382	if(pubout \|\| pubin)
52664f50	383	i=PEM_write_bio_RSA_PUBKEY(out,rsa);
36217a94	384	else i=PEM_write_bio_RSAPrivateKey(out,rsa,
a3fe382e	385	enc,NULL,0,NULL,passout);
3ea23631	386	} else {
d02b48c6 RE	387	BIO_printf(bio_err,"bad output format specified for outfile\n");
	388	goto end;
	389	}
	390	if (!i)
	391	{
3ea23631	392	BIO_printf(bio_err,"unable to write key\n");
d02b48c6 RE	393	ERR_print_errors(bio_err);
	394	}
	395	else
	396	ret=0;
	397	end:
a3fe382e	398	if(in != NULL) BIO_free(in);
645749ef	399	if(out != NULL) BIO_free_all(out);
a3fe382e	400	if(rsa != NULL) RSA_free(rsa);
26a3a48d RL	401	if(passin) OPENSSL_free(passin);
26a3a48d RL	402	if(passout) OPENSSL_free(passout);
c04f8cf4	403	apps_shutdown();
d02b48c6 RE	404	EXIT(ret);
d02b48c6 RE	405	}
cf1b7d96	406	#else /* !OPENSSL_NO_RSA */
752d706a BL	407
	408	# if PEDANTIC
	409	static void *dummy=&dummy;
	410	# endif
	411
f5d7a031	412	#endif