[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 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>

#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)
	{
	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;
	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,"-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 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");
		goto end;
		}

	ERR_load_crypto_strings();

	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 NO_RC4
	else if (informat == FORMAT_NETSCAPE)
		{
		BUF_MEM *buf=NULL;
		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 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 e;

			while ((e = ERR_peek_error()) != 0 &&
				ERR_GET_LIB(e) == ERR_LIB_RSA &&
				ERR_GET_FUNC(e) == RSA_F_RSA_CHECK_KEY &&
				ERR_GET_REASON(e) != ERR_R_MALLOC_FAILURE)
				{
				BIO_printf(out, "RSA key error: %s\n", ERR_reason_error_string(e));
				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 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);
	EXIT(ret);
	}
#else /* !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
f5d7a031	59	#ifndef 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>
d02b48c6 RE	71
	72	#undef PROG
	73	#define PROG rsa_main
	74
	75	/* -inform arg - input format - default PEM (one of DER, NET or PEM)
	76	* -outform arg - output format - default PEM
	77	* -in arg - input file - default stdin
	78	* -out arg - output file - default stdout
	79	* -des - encrypt output if PEM format with DES in cbc mode
	80	* -des3 - encrypt output if PEM format
	81	* -idea - encrypt output if PEM format
	82	* -text - print a text version
	83	* -modulus - print the RSA key modulus
03cd4944	84	* -check - verify key consistency
3ea23631 DSH	85	* -pubin - Expect a public key in input file.
3ea23631 DSH	86	* -pubout - Output a public key.
d02b48c6 RE	87	*/
d02b48c6 RE	88
667ac4ec RE	89	int MAIN(int, char **);
667ac4ec RE	90
6b691a5c	91	int MAIN(int argc, char **argv)
d02b48c6 RE	92	{
	93	int ret=1;
	94	RSA *rsa=NULL;
d3ed8ceb	95	int i,badops=0, sgckey=0;
e778802f	96	const EVP_CIPHER *enc=NULL;
d02b48c6	97	BIO in=NULL,out=NULL;
03cd4944	98	int informat,outformat,text=0,check=0,noout=0;
3ea23631	99	int pubin = 0, pubout = 0;
d02b48c6	100	char infile,outfile,*prog;
a3fe382e	101	char passargin = NULL, passargout = NULL;
af29811e	102	char passin = NULL, passout = NULL;
d02b48c6 RE	103	int modulus=0;
	104
	105	apps_startup();
	106
	107	if (bio_err == NULL)
	108	if ((bio_err=BIO_new(BIO_s_file())) != NULL)
58964a49	109	BIO_set_fp(bio_err,stderr,BIO_NOCLOSE\|BIO_FP_TEXT);
d02b48c6 RE	110
	111	infile=NULL;
	112	outfile=NULL;
	113	informat=FORMAT_PEM;
	114	outformat=FORMAT_PEM;
	115
	116	prog=argv[0];
	117	argc--;
	118	argv++;
	119	while (argc >= 1)
	120	{
	121	if (strcmp(*argv,"-inform") == 0)
	122	{
	123	if (--argc < 1) goto bad;
	124	informat=str2fmt(*(++argv));
	125	}
	126	else if (strcmp(*argv,"-outform") == 0)
	127	{
	128	if (--argc < 1) goto bad;
	129	outformat=str2fmt(*(++argv));
	130	}
	131	else if (strcmp(*argv,"-in") == 0)
	132	{
	133	if (--argc < 1) goto bad;
	134	infile= *(++argv);
	135	}
	136	else if (strcmp(*argv,"-out") == 0)
	137	{
	138	if (--argc < 1) goto bad;
	139	outfile= *(++argv);
	140	}
af29811e DSH	141	else if (strcmp(*argv,"-passin") == 0)
	142	{
	143	if (--argc < 1) goto bad;
a3fe382e	144	passargin= *(++argv);
af29811e DSH	145	}
	146	else if (strcmp(*argv,"-passout") == 0)
	147	{
	148	if (--argc < 1) goto bad;
a3fe382e	149	passargout= *(++argv);
af29811e	150	}
d3ed8ceb DSH	151	else if (strcmp(*argv,"-sgckey") == 0)
d3ed8ceb DSH	152	sgckey=1;
3ea23631 DSH	153	else if (strcmp(*argv,"-pubin") == 0)
	154	pubin=1;
	155	else if (strcmp(*argv,"-pubout") == 0)
	156	pubout=1;
d02b48c6 RE	157	else if (strcmp(*argv,"-noout") == 0)
	158	noout=1;
	159	else if (strcmp(*argv,"-text") == 0)
	160	text=1;
	161	else if (strcmp(*argv,"-modulus") == 0)
	162	modulus=1;
03cd4944 BM	163	else if (strcmp(*argv,"-check") == 0)
03cd4944 BM	164	check=1;
d02b48c6 RE	165	else if ((enc=EVP_get_cipherbyname(&(argv[0][1]))) == NULL)
	166	{
	167	BIO_printf(bio_err,"unknown option %s\n",*argv);
	168	badops=1;
	169	break;
	170	}
	171	argc--;
	172	argv++;
	173	}
	174
	175	if (badops)
	176	{
	177	bad:
	178	BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
	179	BIO_printf(bio_err,"where options are\n");
af29811e DSH	180	BIO_printf(bio_err," -inform arg input format - one of DER NET PEM\n");
	181	BIO_printf(bio_err," -outform arg output format - one of DER NET PEM\n");
	182	BIO_printf(bio_err," -in arg input file\n");
d3ed8ceb	183	BIO_printf(bio_err," -sgckey Use IIS SGC key format\n");
a3fe382e	184	BIO_printf(bio_err," -passin arg input file pass phrase source\n");
af29811e	185	BIO_printf(bio_err," -out arg output file\n");
a3fe382e	186	BIO_printf(bio_err," -passout arg output file pass phrase source\n");
af29811e DSH	187	BIO_printf(bio_err," -des encrypt PEM output with cbc des\n");
af29811e DSH	188	BIO_printf(bio_err," -des3 encrypt PEM output with ede cbc des using 168 bit key\n");
d02b48c6	189	#ifndef NO_IDEA
af29811e	190	BIO_printf(bio_err," -idea encrypt PEM output with cbc idea\n");
d02b48c6	191	#endif
af29811e DSH	192	BIO_printf(bio_err," -text print the key in text\n");
	193	BIO_printf(bio_err," -noout don't print key out\n");
	194	BIO_printf(bio_err," -modulus print the RSA key modulus\n");
	195	BIO_printf(bio_err," -check verify key consistency\n");
	196	BIO_printf(bio_err," -pubin expect a public key in input file\n");
	197	BIO_printf(bio_err," -pubout output a public key\n");
d02b48c6 RE	198	goto end;
	199	}
	200
	201	ERR_load_crypto_strings();
	202
a3fe382e DSH	203	if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
	204	BIO_printf(bio_err, "Error getting passwords\n");
	205	goto end;
	206	}
	207
52664f50 DSH	208	if(check && pubin) {
	209	BIO_printf(bio_err, "Only private keys can be checked\n");
	210	goto end;
	211	}
	212
d02b48c6 RE	213	in=BIO_new(BIO_s_file());
	214	out=BIO_new(BIO_s_file());
	215	if ((in == NULL) \|\| (out == NULL))
	216	{
	217	ERR_print_errors(bio_err);
	218	goto end;
	219	}
	220
	221	if (infile == NULL)
	222	BIO_set_fp(in,stdin,BIO_NOCLOSE);
	223	else
	224	{
	225	if (BIO_read_filename(in,infile) <= 0)
	226	{
	227	perror(infile);
	228	goto end;
	229	}
	230	}
	231
52664f50	232	BIO_printf(bio_err,"read RSA key\n");
3ea23631	233	if (informat == FORMAT_ASN1) {
52664f50	234	if (pubin) rsa=d2i_RSA_PUBKEY_bio(in,NULL);
3ea23631 DSH	235	else rsa=d2i_RSAPrivateKey_bio(in,NULL);
3ea23631 DSH	236	}
d02b48c6 RE	237	#ifndef NO_RC4
	238	else if (informat == FORMAT_NETSCAPE)
	239	{
	240	BUF_MEM *buf=NULL;
	241	unsigned char *p;
	242	int size=0;
	243
	244	buf=BUF_MEM_new();
	245	for (;;)
	246	{
	247	if ((buf == NULL) \|\| (!BUF_MEM_grow(buf,size+1024*10)))
	248	goto end;
	249	i=BIO_read(in,&(buf->data[size]),1024*10);
	250	size+=i;
	251	if (i == 0) break;
	252	if (i < 0)
	253	{
	254	perror("reading private key");
	255	BUF_MEM_free(buf);
	256	goto end;
	257	}
	258	}
	259	p=(unsigned char *)buf->data;
d3ed8ceb	260	rsa=d2i_RSA_NET(NULL,&p,(long)size,NULL, sgckey);
d02b48c6 RE	261	BUF_MEM_free(buf);
	262	}
	263	#endif
3ea23631	264	else if (informat == FORMAT_PEM) {
52664f50	265	if(pubin) rsa=PEM_read_bio_RSA_PUBKEY(in,NULL,NULL,NULL);
a3fe382e	266	else rsa=PEM_read_bio_RSAPrivateKey(in,NULL, NULL,passin);
3ea23631	267	}
d02b48c6 RE	268	else
	269	{
	270	BIO_printf(bio_err,"bad input format specified for key\n");
	271	goto end;
	272	}
	273	if (rsa == NULL)
	274	{
52664f50	275	BIO_printf(bio_err,"unable to load key\n");
d02b48c6 RE	276	ERR_print_errors(bio_err);
	277	goto end;
	278	}
	279
	280	if (outfile == NULL)
645749ef	281	{
d02b48c6	282	BIO_set_fp(out,stdout,BIO_NOCLOSE);
645749ef RL	283	#ifdef VMS
	284	{
	285	BIO *tmpbio = BIO_new(BIO_f_linebuffer());
	286	out = BIO_push(tmpbio, out);
	287	}
	288	#endif
	289	}
d02b48c6 RE	290	else
	291	{
	292	if (BIO_write_filename(out,outfile) <= 0)
	293	{
	294	perror(outfile);
	295	goto end;
	296	}
	297	}
	298
	299	if (text)
	300	if (!RSA_print(out,rsa,0))
	301	{
	302	perror(outfile);
	303	ERR_print_errors(bio_err);
	304	goto end;
	305	}
	306
	307	if (modulus)
	308	{
52664f50	309	BIO_printf(out,"Modulus=");
d02b48c6	310	BN_print(out,rsa->n);
52664f50	311	BIO_printf(out,"\n");
d02b48c6 RE	312	}
d02b48c6 RE	313
03cd4944	314	if (check)
3a55fc1a BM	315	{
	316	int r = RSA_check_key(rsa);
	317
	318	if (r == 1)
03cd4944	319	BIO_printf(out,"RSA key ok\n");
3a55fc1a	320	else if (r == 0)
03cd4944 BM	321	{
	322	long e;
	323
	324	while ((e = ERR_peek_error()) != 0 &&
	325	ERR_GET_LIB(e) == ERR_LIB_RSA &&
	326	ERR_GET_FUNC(e) == RSA_F_RSA_CHECK_KEY &&
	327	ERR_GET_REASON(e) != ERR_R_MALLOC_FAILURE)
	328	{
	329	BIO_printf(out, "RSA key error: %s\n", ERR_reason_error_string(e));
	330	ERR_get_error(); /* remove e from error stack */
	331	}
03cd4944	332	}
3a55fc1a BM	333
	334	if (r == -1 \|\| ERR_peek_error() != 0) /* should happen only if r == -1 */
	335	{
	336	ERR_print_errors(bio_err);
	337	goto end;
	338	}
	339	}
	340
2cfa6921 BM	341	if (noout)
	342	{
	343	ret = 0;
	344	goto end;
	345	}
3ea23631 DSH	346	BIO_printf(bio_err,"writing RSA key\n");
3ea23631 DSH	347	if (outformat == FORMAT_ASN1) {
52664f50	348	if(pubout \|\| pubin) i=i2d_RSA_PUBKEY_bio(out,rsa);
3ea23631 DSH	349	else i=i2d_RSAPrivateKey_bio(out,rsa);
3ea23631 DSH	350	}
d02b48c6 RE	351	#ifndef NO_RC4
	352	else if (outformat == FORMAT_NETSCAPE)
	353	{
	354	unsigned char p,pp;
	355	int size;
	356
	357	i=1;
d3ed8ceb	358	size=i2d_RSA_NET(rsa,NULL,NULL, sgckey);
26a3a48d	359	if ((p=(unsigned char *)OPENSSL_malloc(size)) == NULL)
d02b48c6	360	{
26a3a48d	361	BIO_printf(bio_err,"Memory allocation failure\n");
d02b48c6 RE	362	goto end;
	363	}
	364	pp=p;
d3ed8ceb	365	i2d_RSA_NET(rsa,&p,NULL, sgckey);
d02b48c6	366	BIO_write(out,(char *)pp,size);
26a3a48d	367	OPENSSL_free(pp);
d02b48c6 RE	368	}
d02b48c6 RE	369	#endif
3ea23631 DSH	370	else if (outformat == FORMAT_PEM) {
3ea23631 DSH	371	if(pubout \|\| pubin)
52664f50	372	i=PEM_write_bio_RSA_PUBKEY(out,rsa);
36217a94	373	else i=PEM_write_bio_RSAPrivateKey(out,rsa,
a3fe382e	374	enc,NULL,0,NULL,passout);
3ea23631	375	} else {
d02b48c6 RE	376	BIO_printf(bio_err,"bad output format specified for outfile\n");
	377	goto end;
	378	}
	379	if (!i)
	380	{
3ea23631	381	BIO_printf(bio_err,"unable to write key\n");
d02b48c6 RE	382	ERR_print_errors(bio_err);
	383	}
	384	else
	385	ret=0;
	386	end:
a3fe382e	387	if(in != NULL) BIO_free(in);
645749ef	388	if(out != NULL) BIO_free_all(out);
a3fe382e	389	if(rsa != NULL) RSA_free(rsa);
26a3a48d RL	390	if(passin) OPENSSL_free(passin);
26a3a48d RL	391	if(passout) OPENSSL_free(passout);
d02b48c6 RE	392	EXIT(ret);
d02b48c6 RE	393	}
752d706a BL	394	#else /* !NO_RSA */
	395
	396	# if PEDANTIC
	397	static void *dummy=&dummy;
	398	# endif
	399
f5d7a031	400	#endif