[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 argc, char **argv)
	{
	int ret=1;
	RSA *rsa=NULL;
	int i,badops=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 *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;
			passin= *(++argv);
			}
		else if (strcmp(*argv,"-envpassin") == 0)
			{
			if (--argc < 1) goto bad;
				if(!(passin= getenv(*(++argv))))
				{
				BIO_printf(bio_err,
				 "Can't read environment variable %s\n",
								*argv);
				badops = 1;
				}
			}
		else if (strcmp(*argv,"-envpassout") == 0)
			{
			if (--argc < 1) goto bad;
				if(!(passout= getenv(*(++argv))))
				{
				BIO_printf(bio_err,
				 "Can't read environment variable %s\n",
								*argv);
				badops = 1;
				}
			}
		else if (strcmp(*argv,"-passout") == 0)
			{
			if (--argc < 1) goto bad;
			passout= *(++argv);
			}
		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," -passin arg     input file pass phrase\n");
		BIO_printf(bio_err," -envpassin arg  environment variable containing input file pass phrase\n");
		BIO_printf(bio_err," -in arg         input file\n");
		BIO_printf(bio_err," -out arg        output file\n");
		BIO_printf(bio_err," -passout arg    output file pass phrase\n");
		BIO_printf(bio_err," -envpassout arg environment variable containing output file pass phrase\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(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_Netscape_RSA(NULL,&p,(long)size,NULL);
		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, PEM_cb,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);
	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_Netscape_RSA(rsa,NULL,NULL);
		if ((p=(unsigned char *)Malloc(size)) == NULL)
			{
			BIO_printf(bio_err,"Malloc failure\n");
			goto end;
			}
		pp=p;
		i2d_Netscape_RSA(rsa,&p,NULL);
		BIO_write(out,(char *)pp,size);
		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,PEM_cb,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(out);
	if (rsa != NULL) RSA_free(rsa);
	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
6b691a5c	89	int MAIN(int argc, char **argv)
d02b48c6 RE	90	{
	91	int ret=1;
	92	RSA *rsa=NULL;
	93	int i,badops=0;
e778802f	94	const EVP_CIPHER *enc=NULL;
d02b48c6	95	BIO in=NULL,out=NULL;
03cd4944	96	int informat,outformat,text=0,check=0,noout=0;
3ea23631	97	int pubin = 0, pubout = 0;
d02b48c6	98	char infile,outfile,*prog;
af29811e	99	char passin = NULL, passout = NULL;
d02b48c6 RE	100	int modulus=0;
	101
	102	apps_startup();
	103
	104	if (bio_err == NULL)
	105	if ((bio_err=BIO_new(BIO_s_file())) != NULL)
58964a49	106	BIO_set_fp(bio_err,stderr,BIO_NOCLOSE\|BIO_FP_TEXT);
d02b48c6 RE	107
	108	infile=NULL;
	109	outfile=NULL;
	110	informat=FORMAT_PEM;
	111	outformat=FORMAT_PEM;
	112
	113	prog=argv[0];
	114	argc--;
	115	argv++;
	116	while (argc >= 1)
	117	{
	118	if (strcmp(*argv,"-inform") == 0)
	119	{
	120	if (--argc < 1) goto bad;
	121	informat=str2fmt(*(++argv));
	122	}
	123	else if (strcmp(*argv,"-outform") == 0)
	124	{
	125	if (--argc < 1) goto bad;
	126	outformat=str2fmt(*(++argv));
	127	}
	128	else if (strcmp(*argv,"-in") == 0)
	129	{
	130	if (--argc < 1) goto bad;
	131	infile= *(++argv);
	132	}
	133	else if (strcmp(*argv,"-out") == 0)
	134	{
	135	if (--argc < 1) goto bad;
	136	outfile= *(++argv);
	137	}
af29811e DSH	138	else if (strcmp(*argv,"-passin") == 0)
	139	{
	140	if (--argc < 1) goto bad;
	141	passin= *(++argv);
	142	}
	143	else if (strcmp(*argv,"-envpassin") == 0)
	144	{
	145	if (--argc < 1) goto bad;
	146	if(!(passin= getenv(*(++argv))))
	147	{
	148	BIO_printf(bio_err,
	149	"Can't read environment variable %s\n",
	150	*argv);
	151	badops = 1;
	152	}
	153	}
	154	else if (strcmp(*argv,"-envpassout") == 0)
	155	{
	156	if (--argc < 1) goto bad;
	157	if(!(passout= getenv(*(++argv))))
	158	{
	159	BIO_printf(bio_err,
	160	"Can't read environment variable %s\n",
	161	*argv);
	162	badops = 1;
	163	}
af29811e DSH	164	}
	165	else if (strcmp(*argv,"-passout") == 0)
	166	{
	167	if (--argc < 1) goto bad;
	168	passout= *(++argv);
	169	}
3ea23631 DSH	170	else if (strcmp(*argv,"-pubin") == 0)
	171	pubin=1;
	172	else if (strcmp(*argv,"-pubout") == 0)
	173	pubout=1;
d02b48c6 RE	174	else if (strcmp(*argv,"-noout") == 0)
	175	noout=1;
	176	else if (strcmp(*argv,"-text") == 0)
	177	text=1;
	178	else if (strcmp(*argv,"-modulus") == 0)
	179	modulus=1;
03cd4944 BM	180	else if (strcmp(*argv,"-check") == 0)
03cd4944 BM	181	check=1;
d02b48c6 RE	182	else if ((enc=EVP_get_cipherbyname(&(argv[0][1]))) == NULL)
	183	{
	184	BIO_printf(bio_err,"unknown option %s\n",*argv);
	185	badops=1;
	186	break;
	187	}
	188	argc--;
	189	argv++;
	190	}
	191
	192	if (badops)
	193	{
	194	bad:
	195	BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
	196	BIO_printf(bio_err,"where options are\n");
af29811e DSH	197	BIO_printf(bio_err," -inform arg input format - one of DER NET PEM\n");
	198	BIO_printf(bio_err," -outform arg output format - one of DER NET PEM\n");
	199	BIO_printf(bio_err," -in arg input file\n");
	200	BIO_printf(bio_err," -passin arg input file pass phrase\n");
	201	BIO_printf(bio_err," -envpassin arg environment variable containing input file pass phrase\n");
	202	BIO_printf(bio_err," -in arg input file\n");
	203	BIO_printf(bio_err," -out arg output file\n");
f07fb9b2 DSH	204	BIO_printf(bio_err," -passout arg output file pass phrase\n");
f07fb9b2 DSH	205	BIO_printf(bio_err," -envpassout arg environment variable containing output file pass phrase\n");
af29811e DSH	206	BIO_printf(bio_err," -des encrypt PEM output with cbc des\n");
af29811e DSH	207	BIO_printf(bio_err," -des3 encrypt PEM output with ede cbc des using 168 bit key\n");
d02b48c6	208	#ifndef NO_IDEA
af29811e	209	BIO_printf(bio_err," -idea encrypt PEM output with cbc idea\n");
d02b48c6	210	#endif
af29811e DSH	211	BIO_printf(bio_err," -text print the key in text\n");
	212	BIO_printf(bio_err," -noout don't print key out\n");
	213	BIO_printf(bio_err," -modulus print the RSA key modulus\n");
	214	BIO_printf(bio_err," -check verify key consistency\n");
	215	BIO_printf(bio_err," -pubin expect a public key in input file\n");
	216	BIO_printf(bio_err," -pubout output a public key\n");
d02b48c6 RE	217	goto end;
	218	}
	219
	220	ERR_load_crypto_strings();
	221
52664f50 DSH	222	if(check && pubin) {
	223	BIO_printf(bio_err, "Only private keys can be checked\n");
	224	goto end;
	225	}
	226
d02b48c6 RE	227	in=BIO_new(BIO_s_file());
	228	out=BIO_new(BIO_s_file());
	229	if ((in == NULL) \|\| (out == NULL))
	230	{
	231	ERR_print_errors(bio_err);
	232	goto end;
	233	}
	234
	235	if (infile == NULL)
	236	BIO_set_fp(in,stdin,BIO_NOCLOSE);
	237	else
	238	{
	239	if (BIO_read_filename(in,infile) <= 0)
	240	{
	241	perror(infile);
	242	goto end;
	243	}
	244	}
	245
52664f50	246	BIO_printf(bio_err,"read RSA key\n");
3ea23631	247	if (informat == FORMAT_ASN1) {
52664f50	248	if (pubin) rsa=d2i_RSA_PUBKEY_bio(in,NULL);
3ea23631 DSH	249	else rsa=d2i_RSAPrivateKey_bio(in,NULL);
3ea23631 DSH	250	}
d02b48c6 RE	251	#ifndef NO_RC4
	252	else if (informat == FORMAT_NETSCAPE)
	253	{
	254	BUF_MEM *buf=NULL;
	255	unsigned char *p;
	256	int size=0;
	257
	258	buf=BUF_MEM_new();
	259	for (;;)
	260	{
	261	if ((buf == NULL) \|\| (!BUF_MEM_grow(buf,size+1024*10)))
	262	goto end;
	263	i=BIO_read(in,&(buf->data[size]),1024*10);
	264	size+=i;
	265	if (i == 0) break;
	266	if (i < 0)
	267	{
	268	perror("reading private key");
	269	BUF_MEM_free(buf);
	270	goto end;
	271	}
	272	}
	273	p=(unsigned char *)buf->data;
82fc1d9c	274	rsa=d2i_Netscape_RSA(NULL,&p,(long)size,NULL);
d02b48c6 RE	275	BUF_MEM_free(buf);
	276	}
	277	#endif
3ea23631	278	else if (informat == FORMAT_PEM) {
52664f50	279	if(pubin) rsa=PEM_read_bio_RSA_PUBKEY(in,NULL,NULL,NULL);
36217a94	280	else rsa=PEM_read_bio_RSAPrivateKey(in,NULL, PEM_cb,passin);
3ea23631	281	}
d02b48c6 RE	282	else
	283	{
	284	BIO_printf(bio_err,"bad input format specified for key\n");
	285	goto end;
	286	}
	287	if (rsa == NULL)
	288	{
52664f50	289	BIO_printf(bio_err,"unable to load key\n");
d02b48c6 RE	290	ERR_print_errors(bio_err);
	291	goto end;
	292	}
	293
	294	if (outfile == NULL)
	295	BIO_set_fp(out,stdout,BIO_NOCLOSE);
	296	else
	297	{
	298	if (BIO_write_filename(out,outfile) <= 0)
	299	{
	300	perror(outfile);
	301	goto end;
	302	}
	303	}
	304
	305	if (text)
	306	if (!RSA_print(out,rsa,0))
	307	{
	308	perror(outfile);
	309	ERR_print_errors(bio_err);
	310	goto end;
	311	}
	312
	313	if (modulus)
	314	{
52664f50	315	BIO_printf(out,"Modulus=");
d02b48c6	316	BN_print(out,rsa->n);
52664f50	317	BIO_printf(out,"\n");
d02b48c6 RE	318	}
d02b48c6 RE	319
03cd4944	320	if (check)
3a55fc1a BM	321	{
	322	int r = RSA_check_key(rsa);
	323
	324	if (r == 1)
03cd4944	325	BIO_printf(out,"RSA key ok\n");
3a55fc1a	326	else if (r == 0)
03cd4944 BM	327	{
	328	long e;
	329
	330	while ((e = ERR_peek_error()) != 0 &&
	331	ERR_GET_LIB(e) == ERR_LIB_RSA &&
	332	ERR_GET_FUNC(e) == RSA_F_RSA_CHECK_KEY &&
	333	ERR_GET_REASON(e) != ERR_R_MALLOC_FAILURE)
	334	{
	335	BIO_printf(out, "RSA key error: %s\n", ERR_reason_error_string(e));
	336	ERR_get_error(); /* remove e from error stack */
	337	}
03cd4944	338	}
3a55fc1a BM	339
	340	if (r == -1 \|\| ERR_peek_error() != 0) /* should happen only if r == -1 */
	341	{
	342	ERR_print_errors(bio_err);
	343	goto end;
	344	}
	345	}
	346
2cfa6921 BM	347	if (noout)
	348	{
	349	ret = 0;
	350	goto end;
	351	}
3ea23631 DSH	352	BIO_printf(bio_err,"writing RSA key\n");
3ea23631 DSH	353	if (outformat == FORMAT_ASN1) {
52664f50	354	if(pubout \|\| pubin) i=i2d_RSA_PUBKEY_bio(out,rsa);
3ea23631 DSH	355	else i=i2d_RSAPrivateKey_bio(out,rsa);
3ea23631 DSH	356	}
d02b48c6 RE	357	#ifndef NO_RC4
	358	else if (outformat == FORMAT_NETSCAPE)
	359	{
	360	unsigned char p,pp;
	361	int size;
	362
	363	i=1;
	364	size=i2d_Netscape_RSA(rsa,NULL,NULL);
	365	if ((p=(unsigned char *)Malloc(size)) == NULL)
	366	{
	367	BIO_printf(bio_err,"Malloc failure\n");
	368	goto end;
	369	}
	370	pp=p;
	371	i2d_Netscape_RSA(rsa,&p,NULL);
	372	BIO_write(out,(char *)pp,size);
	373	Free(pp);
	374	}
	375	#endif
3ea23631 DSH	376	else if (outformat == FORMAT_PEM) {
3ea23631 DSH	377	if(pubout \|\| pubin)
52664f50	378	i=PEM_write_bio_RSA_PUBKEY(out,rsa);
36217a94 DSH	379	else i=PEM_write_bio_RSAPrivateKey(out,rsa,
36217a94 DSH	380	enc,NULL,0,PEM_cb,passout);
3ea23631	381	} else {
d02b48c6 RE	382	BIO_printf(bio_err,"bad output format specified for outfile\n");
	383	goto end;
	384	}
	385	if (!i)
	386	{
3ea23631	387	BIO_printf(bio_err,"unable to write key\n");
d02b48c6 RE	388	ERR_print_errors(bio_err);
	389	}
	390	else
	391	ret=0;
	392	end:
	393	if (in != NULL) BIO_free(in);
	394	if (out != NULL) BIO_free(out);
	395	if (rsa != NULL) RSA_free(rsa);
	396	EXIT(ret);
	397	}
752d706a BL	398	#else /* !NO_RSA */
	399
	400	# if PEDANTIC
	401	static void *dummy=&dummy;
	402	# endif
	403
f5d7a031	404	#endif