[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
 */

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,noout=0;
	char *infile,*outfile,*prog;
	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,"-noout") == 0)
			noout=1;
		else if (strcmp(*argv,"-text") == 0)
			text=1;
		else if (strcmp(*argv,"-modulus") == 0)
			modulus=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," -out arg      output file\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");
		goto end;
		}

	ERR_load_crypto_strings();

	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 private key\n");
	if	(informat == FORMAT_ASN1)
		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=(RSA *)d2i_Netscape_RSA(NULL,&p,(long)size,NULL);
		BUF_MEM_free(buf);
		}
#endif
	else if (informat == FORMAT_PEM)
		rsa=PEM_read_bio_RSAPrivateKey(in,NULL,NULL);
	else
		{
		BIO_printf(bio_err,"bad input format specified for key\n");
		goto end;
		}
	if (rsa == NULL)
		{
		BIO_printf(bio_err,"unable to load Private 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)
		{
		fprintf(stdout,"Modulus=");
		BN_print(out,rsa->n);
		fprintf(stdout,"\n");
		}

	if (noout) goto end;
	BIO_printf(bio_err,"writing RSA private key\n");
	if 	(outformat == FORMAT_ASN1)
		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)
		i=PEM_write_bio_RSAPrivateKey(out,rsa,enc,NULL,0,NULL);
	else	{
		BIO_printf(bio_err,"bad output format specified for outfile\n");
		goto end;
		}
	if (!i)
		{
		BIO_printf(bio_err,"unable to write private 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);
	}
#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
	84	*/
	85
6b691a5c	86	int MAIN(int argc, char **argv)
d02b48c6 RE	87	{
	88	int ret=1;
	89	RSA *rsa=NULL;
	90	int i,badops=0;
e778802f	91	const EVP_CIPHER *enc=NULL;
d02b48c6 RE	92	BIO in=NULL,out=NULL;
	93	int informat,outformat,text=0,noout=0;
	94	char infile,outfile,*prog;
	95	int modulus=0;
	96
	97	apps_startup();
	98
	99	if (bio_err == NULL)
	100	if ((bio_err=BIO_new(BIO_s_file())) != NULL)
58964a49	101	BIO_set_fp(bio_err,stderr,BIO_NOCLOSE\|BIO_FP_TEXT);
d02b48c6 RE	102
	103	infile=NULL;
	104	outfile=NULL;
	105	informat=FORMAT_PEM;
	106	outformat=FORMAT_PEM;
	107
	108	prog=argv[0];
	109	argc--;
	110	argv++;
	111	while (argc >= 1)
	112	{
	113	if (strcmp(*argv,"-inform") == 0)
	114	{
	115	if (--argc < 1) goto bad;
	116	informat=str2fmt(*(++argv));
	117	}
	118	else if (strcmp(*argv,"-outform") == 0)
	119	{
	120	if (--argc < 1) goto bad;
	121	outformat=str2fmt(*(++argv));
	122	}
	123	else if (strcmp(*argv,"-in") == 0)
	124	{
	125	if (--argc < 1) goto bad;
	126	infile= *(++argv);
	127	}
	128	else if (strcmp(*argv,"-out") == 0)
	129	{
	130	if (--argc < 1) goto bad;
	131	outfile= *(++argv);
	132	}
	133	else if (strcmp(*argv,"-noout") == 0)
	134	noout=1;
	135	else if (strcmp(*argv,"-text") == 0)
	136	text=1;
	137	else if (strcmp(*argv,"-modulus") == 0)
	138	modulus=1;
	139	else if ((enc=EVP_get_cipherbyname(&(argv[0][1]))) == NULL)
	140	{
	141	BIO_printf(bio_err,"unknown option %s\n",*argv);
	142	badops=1;
	143	break;
	144	}
	145	argc--;
	146	argv++;
	147	}
	148
	149	if (badops)
	150	{
	151	bad:
	152	BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
	153	BIO_printf(bio_err,"where options are\n");
	154	BIO_printf(bio_err," -inform arg input format - one of DER NET PEM\n");
	155	BIO_printf(bio_err," -outform arg output format - one of DER NET PEM\n");
9fe84296	156	BIO_printf(bio_err," -in arg input file\n");
d02b48c6 RE	157	BIO_printf(bio_err," -out arg output file\n");
	158	BIO_printf(bio_err," -des encrypt PEM output with cbc des\n");
	159	BIO_printf(bio_err," -des3 encrypt PEM output with ede cbc des using 168 bit key\n");
	160	#ifndef NO_IDEA
	161	BIO_printf(bio_err," -idea encrypt PEM output with cbc idea\n");
	162	#endif
	163	BIO_printf(bio_err," -text print the key in text\n");
	164	BIO_printf(bio_err," -noout don't print key out\n");
	165	BIO_printf(bio_err," -modulus print the RSA key modulus\n");
	166	goto end;
	167	}
	168
	169	ERR_load_crypto_strings();
	170
	171	in=BIO_new(BIO_s_file());
	172	out=BIO_new(BIO_s_file());
	173	if ((in == NULL) \|\| (out == NULL))
	174	{
	175	ERR_print_errors(bio_err);
	176	goto end;
	177	}
	178
	179	if (infile == NULL)
	180	BIO_set_fp(in,stdin,BIO_NOCLOSE);
	181	else
	182	{
	183	if (BIO_read_filename(in,infile) <= 0)
	184	{
	185	perror(infile);
	186	goto end;
	187	}
	188	}
	189
	190	BIO_printf(bio_err,"read RSA private key\n");
	191	if (informat == FORMAT_ASN1)
	192	rsa=d2i_RSAPrivateKey_bio(in,NULL);
	193	#ifndef NO_RC4
	194	else if (informat == FORMAT_NETSCAPE)
	195	{
	196	BUF_MEM *buf=NULL;
	197	unsigned char *p;
	198	int size=0;
	199
	200	buf=BUF_MEM_new();
	201	for (;;)
	202	{
	203	if ((buf == NULL) \|\| (!BUF_MEM_grow(buf,size+1024*10)))
	204	goto end;
	205	i=BIO_read(in,&(buf->data[size]),1024*10);
	206	size+=i;
	207	if (i == 0) break;
	208	if (i < 0)
	209	{
	210	perror("reading private key");
	211	BUF_MEM_free(buf);
	212	goto end;
	213	}
	214	}
	215	p=(unsigned char *)buf->data;
	216	rsa=(RSA *)d2i_Netscape_RSA(NULL,&p,(long)size,NULL);
	217	BUF_MEM_free(buf);
	218	}
	219	#endif
	220	else if (informat == FORMAT_PEM)
221	rsa=PEM_read_bio_RSAPrivateKey(in,NULL,NULL);
222	else
223	{
224	BIO_printf(bio_err,"bad input format specified for key\n");
225	goto end;
226	}
227	if (rsa == NULL)
228	{
229	BIO_printf(bio_err,"unable to load Private Key\n");
230	ERR_print_errors(bio_err);
231	goto end;
232	}
233
234	if (outfile == NULL)
235	BIO_set_fp(out,stdout,BIO_NOCLOSE);
236	else
237	{
238	if (BIO_write_filename(out,outfile) <= 0)
239	{
240	perror(outfile);
241	goto end;
242	}
243	}
244
245	if (text)
246	if (!RSA_print(out,rsa,0))
247	{
248	perror(outfile);
249	ERR_print_errors(bio_err);
250	goto end;
251	}
252
253	if (modulus)
254	{
255	fprintf(stdout,"Modulus=");
256	BN_print(out,rsa->n);
257	fprintf(stdout,"\n");
258	}
259
260	if (noout) goto end;
261	BIO_printf(bio_err,"writing RSA private key\n");
262	if (outformat == FORMAT_ASN1)
263	i=i2d_RSAPrivateKey_bio(out,rsa);
264	#ifndef NO_RC4
265	else if (outformat == FORMAT_NETSCAPE)
266	{
267	unsigned char p,pp;
268	int size;
269
270	i=1;
271	size=i2d_Netscape_RSA(rsa,NULL,NULL);
272	if ((p=(unsigned char *)Malloc(size)) == NULL)
273	{
274	BIO_printf(bio_err,"Malloc failure\n");
275	goto end;
276	}
277	pp=p;
278	i2d_Netscape_RSA(rsa,&p,NULL);
279	BIO_write(out,(char *)pp,size);
280	Free(pp);
281	}
282	#endif
283	else if (outformat == FORMAT_PEM)
284	i=PEM_write_bio_RSAPrivateKey(out,rsa,enc,NULL,0,NULL);
285	else {
286	BIO_printf(bio_err,"bad output format specified for outfile\n");
287	goto end;
288	}
289	if (!i)
290	{
291	BIO_printf(bio_err,"unable to write private key\n");
292	ERR_print_errors(bio_err);
293	}
294	else
295	ret=0;
296	end:
297	if (in != NULL) BIO_free(in);
298	if (out != NULL) BIO_free(out);
299	if (rsa != NULL) RSA_free(rsa);
300	EXIT(ret);
301	}
f5d7a031	302	#endif