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

/* apps/dgst.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.]
 */

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "apps.h"
#include <openssl/bio.h>
#include <openssl/err.h>
#include <openssl/evp.h>
#include <openssl/objects.h>
#include <openssl/x509.h>
#include <openssl/pem.h>

#undef BUFSIZE
#define BUFSIZE	1024*8

#undef PROG
#define PROG	dgst_main

void do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, char binout,
		EVP_PKEY *key, unsigned char *sigin, unsigned int siglen);

int MAIN(int, char **);

int MAIN(int argc, char **argv)
	{
	unsigned char *buf=NULL;
	int i,err=0;
	const EVP_MD *md=NULL,*m;
	BIO *in=NULL,*inp;
	BIO *bmd=NULL;
	BIO *out = NULL;
	const char *name;
#define PROG_NAME_SIZE  16
	char pname[PROG_NAME_SIZE];
	int separator=0;
	int debug=0;
	const char *outfile = NULL, *keyfile = NULL;
	const char *sigfile = NULL, *randfile = NULL;
	char out_bin = -1, want_pub = 0, do_verify = 0;
	EVP_PKEY *sigkey = NULL;
	unsigned char *sigbuf = NULL;
	unsigned int siglen = 0;

	apps_startup();

	if ((buf=(unsigned char *)OPENSSL_malloc(BUFSIZE)) == NULL)
		{
		BIO_printf(bio_err,"out of memory\n");
		goto end;
		}
	if (bio_err == NULL)
		if ((bio_err=BIO_new(BIO_s_file())) != NULL)
			BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);

	/* first check the program name */
	program_name(argv[0],pname,PROG_NAME_SIZE);

	md=EVP_get_digestbyname(pname);

	argc--;
	argv++;
	while (argc > 0)
		{
		if ((*argv)[0] != '-') break;
		if (strcmp(*argv,"-c") == 0)
			separator=1;
		else if (strcmp(*argv,"-rand") == 0)
			{
			if (--argc < 1) break;
			randfile=*(++argv);
			}
		else if (strcmp(*argv,"-out") == 0)
			{
			if (--argc < 1) break;
			outfile=*(++argv);
			}
		else if (strcmp(*argv,"-sign") == 0)
			{
			if (--argc < 1) break;
			keyfile=*(++argv);
			}
		else if (strcmp(*argv,"-verify") == 0)
			{
			if (--argc < 1) break;
			keyfile=*(++argv);
			want_pub = 1;
			do_verify = 1;
			}
		else if (strcmp(*argv,"-prverify") == 0)
			{
			if (--argc < 1) break;
			keyfile=*(++argv);
			do_verify = 1;
			}
		else if (strcmp(*argv,"-signature") == 0)
			{
			if (--argc < 1) break;
			sigfile=*(++argv);
			}
		else if (strcmp(*argv,"-hex") == 0)
			out_bin = 0;
		else if (strcmp(*argv,"-binary") == 0)
			out_bin = 1;
		else if (strcmp(*argv,"-d") == 0)
			debug=1;
		else if ((m=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
			md=m;
		else
			break;
		argc--;
		argv++;
		}

	if (md == NULL)
		md=EVP_md5();

	if(do_verify && !sigfile) {
		BIO_printf(bio_err, "No signature to verify: use the -signature option\n");
		err = 1; 
		goto end;
	}

	if ((argc > 0) && (argv[0][0] == '-')) /* bad option */
		{
		BIO_printf(bio_err,"unknown option '%s'\n",*argv);
		BIO_printf(bio_err,"options are\n");
		BIO_printf(bio_err,"-c              to output the digest with separating colons\n");
		BIO_printf(bio_err,"-d              to output debug info\n");
		BIO_printf(bio_err,"-hex            output as hex dump\n");
		BIO_printf(bio_err,"-binary         output in binary form\n");
		BIO_printf(bio_err,"-sign   file    sign digest using private key in file\n");
		BIO_printf(bio_err,"-verify file    verify a signature using public key in file\n");
		BIO_printf(bio_err,"-prverify file  verify a signature using private key in file\n");
		BIO_printf(bio_err,"-signature file signature to verify\n");
		BIO_printf(bio_err,"-binary         output in binary form\n");

		BIO_printf(bio_err,"-%3s to use the %s message digest algorithm (default)\n",
			LN_md5,LN_md5);
		BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
			LN_md4,LN_md4);
		BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
			LN_md2,LN_md2);
		BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
			LN_sha1,LN_sha1);
		BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
			LN_sha,LN_sha);
		BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
			LN_mdc2,LN_mdc2);
		BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
			LN_ripemd160,LN_ripemd160);
		err=1;
		goto end;
		}

	in=BIO_new(BIO_s_file());
	bmd=BIO_new(BIO_f_md());
	if (debug)
		{
		BIO_set_callback(in,BIO_debug_callback);
		/* needed for windows 3.1 */
		BIO_set_callback_arg(in,bio_err);
		}

	if ((in == NULL) || (bmd == NULL))
		{
		ERR_print_errors(bio_err);
		goto end;
		}

	if(out_bin == -1) {
		if(keyfile) out_bin = 1;
		else out_bin = 0;
	}

	if(randfile)
		app_RAND_load_file(randfile, bio_err, 0);

	if(outfile) {
		if(out_bin)
			out = BIO_new_file(outfile, "wb");
		else    out = BIO_new_file(outfile, "w");
	} else out = BIO_new_fp(stdout, BIO_NOCLOSE);

	if(!out) {
		BIO_printf(bio_err, "Error opening output file %s\n", 
					outfile ? outfile : "(stdout)");
		ERR_print_errors(bio_err);
		goto end;
	}

	if(keyfile) {
		BIO *keybio;
		keybio = BIO_new_file(keyfile, "r");
		if(!keybio) {
			BIO_printf(bio_err, "Error opening key file %s\n",
								keyfile);
			ERR_print_errors(bio_err);
			goto end;
		}
		
		if(want_pub) 
			sigkey = PEM_read_bio_PUBKEY(keybio, NULL, NULL, NULL);
		else sigkey = PEM_read_bio_PrivateKey(keybio, NULL, NULL, NULL);
		BIO_free(keybio);
		if(!sigkey) {
			BIO_printf(bio_err, "Error reading key file %s\n",
								keyfile);
			ERR_print_errors(bio_err);
			goto end;
		}
	}

	if(sigfile && sigkey) {
		BIO *sigbio;
		sigbio = BIO_new_file(sigfile, "rb");
		siglen = EVP_PKEY_size(sigkey);
		sigbuf = OPENSSL_malloc(siglen);
		if(!sigbio) {
			BIO_printf(bio_err, "Error opening signature file %s\n",
								sigfile);
			ERR_print_errors(bio_err);
			goto end;
		}
		siglen = BIO_read(sigbio, sigbuf, siglen);
		BIO_free(sigbio);
		if(siglen <= 0) {
			BIO_printf(bio_err, "Error reading signature file %s\n",
								sigfile);
			ERR_print_errors(bio_err);
			goto end;
		}
	}
		

	/* we use md as a filter, reading from 'in' */
	BIO_set_md(bmd,md);
	inp=BIO_push(bmd,in);

	if (argc == 0)
		{
		BIO_set_fp(in,stdin,BIO_NOCLOSE);
		do_fp(out, buf,inp,separator, out_bin, sigkey, sigbuf, siglen);
		}
	else
		{
		name=OBJ_nid2sn(md->type);
		for (i=0; i<argc; i++)
			{
			if (BIO_read_filename(in,argv[i]) <= 0)
				{
				perror(argv[i]);
				err++;
				continue;
				}
			if(!out_bin) BIO_printf(out, "%s(%s)= ",name,argv[i]);
			do_fp(out, buf,inp,separator, out_bin, sigkey, 
								sigbuf, siglen);
			(void)BIO_reset(bmd);
			}
		}
end:
	if (buf != NULL)
		{
		memset(buf,0,BUFSIZE);
		OPENSSL_free(buf);
		}
	if (in != NULL) BIO_free(in);
	BIO_free(out);
	EVP_PKEY_free(sigkey);
	if(sigbuf) OPENSSL_free(sigbuf);
	if (bmd != NULL) BIO_free(bmd);
	EXIT(err);
	}

void do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, char binout,
			EVP_PKEY *key, unsigned char *sigin, unsigned int siglen)
	{
	int len;
	int i;

	for (;;)
		{
		i=BIO_read(bp,(char *)buf,BUFSIZE);
		if (i <= 0) break;
		}
	if(sigin)
		{
		EVP_MD_CTX *ctx;
		BIO_get_md_ctx(bp, &ctx);
		i = EVP_VerifyFinal(ctx, sigin, siglen, key); 
		if(i > 0) BIO_printf(out, "Verified OK\n");
		else if(i == 0) BIO_printf(out, "Verification Failure\n");
		else
			{
			BIO_printf(bio_err, "Error Verifying Data\n");
			ERR_print_errors(bio_err);
			}
		return;
		}
	if(key)
		{
		EVP_MD_CTX *ctx;
		BIO_get_md_ctx(bp, &ctx);
		if(!EVP_SignFinal(ctx, buf, (unsigned int *)&len, key)) 
			{
			BIO_printf(bio_err, "Error Signing Data\n");
			ERR_print_errors(bio_err);
			return;
			}
		}
	else
		len=BIO_gets(bp,(char *)buf,BUFSIZE);

	if(binout) BIO_write(out, buf, len);
	else 
		{
		for (i=0; i<len; i++)
			{
			if (sep && (i != 0))
				BIO_printf(out, ":");
			BIO_printf(out, "%02x",buf[i]);
			}
		BIO_printf(out, "\n");
		}
	}
Commit	Line	Data
d02b48c6	1	/* apps/dgst.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
	59	#include <stdio.h>
	60	#include <string.h>
	61	#include <stdlib.h>
	62	#include "apps.h"
ec577822 BM	63	#include <openssl/bio.h>
	64	#include <openssl/err.h>
	65	#include <openssl/evp.h>
	66	#include <openssl/objects.h>
	67	#include <openssl/x509.h>
	68	#include <openssl/pem.h>
d02b48c6 RE	69
	70	#undef BUFSIZE
	71	#define BUFSIZE 1024*8
	72
	73	#undef PROG
	74	#define PROG dgst_main
	75
7df1c720 DSH	76	void do_fp(BIO out, unsigned char buf, BIO *bp, int sep, char binout,
7df1c720 DSH	77	EVP_PKEY key, unsigned char sigin, unsigned int siglen);
667ac4ec RE	78
	79	int MAIN(int, char **);
	80
6b691a5c	81	int MAIN(int argc, char **argv)
d02b48c6 RE	82	{
	83	unsigned char *buf=NULL;
	84	int i,err=0;
e778802f	85	const EVP_MD md=NULL,m;
d02b48c6 RE	86	BIO in=NULL,inp;
d02b48c6 RE	87	BIO *bmd=NULL;
7df1c720	88	BIO *out = NULL;
e778802f	89	const char *name;
d02b48c6	90	#define PROG_NAME_SIZE 16
b1c4fe36	91	char pname[PROG_NAME_SIZE];
d02b48c6 RE	92	int separator=0;
d02b48c6 RE	93	int debug=0;
7df1c720 DSH	94	const char outfile = NULL, keyfile = NULL;
	95	const char sigfile = NULL, randfile = NULL;
	96	char out_bin = -1, want_pub = 0, do_verify = 0;
	97	EVP_PKEY *sigkey = NULL;
	98	unsigned char *sigbuf = NULL;
	99	unsigned int siglen = 0;
d02b48c6 RE	100
	101	apps_startup();
	102
26a3a48d	103	if ((buf=(unsigned char *)OPENSSL_malloc(BUFSIZE)) == NULL)
d02b48c6 RE	104	{
	105	BIO_printf(bio_err,"out of memory\n");
	106	goto end;
	107	}
	108	if (bio_err == NULL)
	109	if ((bio_err=BIO_new(BIO_s_file())) != NULL)
58964a49	110	BIO_set_fp(bio_err,stderr,BIO_NOCLOSE\|BIO_FP_TEXT);
d02b48c6 RE	111
d02b48c6 RE	112	/* first check the program name */
b1c4fe36	113	program_name(argv[0],pname,PROG_NAME_SIZE);
d02b48c6 RE	114
	115	md=EVP_get_digestbyname(pname);
	116
	117	argc--;
	118	argv++;
54a29df0	119	while (argc > 0)
d02b48c6 RE	120	{
	121	if ((*argv)[0] != '-') break;
	122	if (strcmp(*argv,"-c") == 0)
	123	separator=1;
7df1c720 DSH	124	else if (strcmp(*argv,"-rand") == 0)
	125	{
	126	if (--argc < 1) break;
	127	randfile=*(++argv);
	128	}
	129	else if (strcmp(*argv,"-out") == 0)
	130	{
	131	if (--argc < 1) break;
	132	outfile=*(++argv);
	133	}
	134	else if (strcmp(*argv,"-sign") == 0)
	135	{
	136	if (--argc < 1) break;
	137	keyfile=*(++argv);
	138	}
	139	else if (strcmp(*argv,"-verify") == 0)
	140	{
	141	if (--argc < 1) break;
	142	keyfile=*(++argv);
	143	want_pub = 1;
	144	do_verify = 1;
	145	}
	146	else if (strcmp(*argv,"-prverify") == 0)
	147	{
	148	if (--argc < 1) break;
	149	keyfile=*(++argv);
	150	do_verify = 1;
	151	}
	152	else if (strcmp(*argv,"-signature") == 0)
	153	{
	154	if (--argc < 1) break;
	155	sigfile=*(++argv);
	156	}
	157	else if (strcmp(*argv,"-hex") == 0)
	158	out_bin = 0;
	159	else if (strcmp(*argv,"-binary") == 0)
	160	out_bin = 1;
d02b48c6 RE	161	else if (strcmp(*argv,"-d") == 0)
	162	debug=1;
	163	else if ((m=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
	164	md=m;
	165	else
	166	break;
	167	argc--;
	168	argv++;
	169	}
	170
	171	if (md == NULL)
	172	md=EVP_md5();
	173
7df1c720 DSH	174	if(do_verify && !sigfile) {
	175	BIO_printf(bio_err, "No signature to verify: use the -signature option\n");
	176	err = 1;
	177	goto end;
	178	}
	179
d02b48c6 RE	180	if ((argc > 0) && (argv[0][0] == '-')) /* bad option */
	181	{
	182	BIO_printf(bio_err,"unknown option '%s'\n",*argv);
	183	BIO_printf(bio_err,"options are\n");
7df1c720 DSH	184	BIO_printf(bio_err,"-c to output the digest with separating colons\n");
	185	BIO_printf(bio_err,"-d to output debug info\n");
	186	BIO_printf(bio_err,"-hex output as hex dump\n");
	187	BIO_printf(bio_err,"-binary output in binary form\n");
	188	BIO_printf(bio_err,"-sign file sign digest using private key in file\n");
	189	BIO_printf(bio_err,"-verify file verify a signature using public key in file\n");
	190	BIO_printf(bio_err,"-prverify file verify a signature using private key in file\n");
	191	BIO_printf(bio_err,"-signature file signature to verify\n");
	192	BIO_printf(bio_err,"-binary output in binary form\n");
	193
58964a49	194	BIO_printf(bio_err,"-%3s to use the %s message digest algorithm (default)\n",
d02b48c6	195	LN_md5,LN_md5);
3009458e RL	196	BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
3009458e RL	197	LN_md4,LN_md4);
58964a49	198	BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
d02b48c6	199	LN_md2,LN_md2);
58964a49	200	BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
d02b48c6	201	LN_sha1,LN_sha1);
58964a49	202	BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
d02b48c6	203	LN_sha,LN_sha);
58964a49	204	BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
d02b48c6	205	LN_mdc2,LN_mdc2);
dfeab068 RE	206	BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
dfeab068 RE	207	LN_ripemd160,LN_ripemd160);
d02b48c6 RE	208	err=1;
	209	goto end;
	210	}
7df1c720	211
d02b48c6 RE	212	in=BIO_new(BIO_s_file());
	213	bmd=BIO_new(BIO_f_md());
	214	if (debug)
	215	{
	216	BIO_set_callback(in,BIO_debug_callback);
	217	/* needed for windows 3.1 */
	218	BIO_set_callback_arg(in,bio_err);
	219	}
	220
	221	if ((in == NULL) \|\| (bmd == NULL))
	222	{
	223	ERR_print_errors(bio_err);
	224	goto end;
	225	}
	226
7df1c720 DSH	227	if(out_bin == -1) {
	228	if(keyfile) out_bin = 1;
	229	else out_bin = 0;
	230	}
	231
	232	if(randfile)
	233	app_RAND_load_file(randfile, bio_err, 0);
	234
	235	if(outfile) {
	236	if(out_bin)
	237	out = BIO_new_file(outfile, "wb");
	238	else out = BIO_new_file(outfile, "w");
	239	} else out = BIO_new_fp(stdout, BIO_NOCLOSE);
	240
	241	if(!out) {
	242	BIO_printf(bio_err, "Error opening output file %s\n",
	243	outfile ? outfile : "(stdout)");
	244	ERR_print_errors(bio_err);
	245	goto end;
	246	}
	247
	248	if(keyfile) {
	249	BIO *keybio;
	250	keybio = BIO_new_file(keyfile, "r");
	251	if(!keybio) {
	252	BIO_printf(bio_err, "Error opening key file %s\n",
	253	keyfile);
	254	ERR_print_errors(bio_err);
	255	goto end;
	256	}
	257
	258	if(want_pub)
	259	sigkey = PEM_read_bio_PUBKEY(keybio, NULL, NULL, NULL);
	260	else sigkey = PEM_read_bio_PrivateKey(keybio, NULL, NULL, NULL);
	261	BIO_free(keybio);
	262	if(!sigkey) {
	263	BIO_printf(bio_err, "Error reading key file %s\n",
	264	keyfile);
	265	ERR_print_errors(bio_err);
	266	goto end;
	267	}
	268	}
	269
	270	if(sigfile && sigkey) {
	271	BIO *sigbio;
	272	sigbio = BIO_new_file(sigfile, "rb");
	273	siglen = EVP_PKEY_size(sigkey);
	274	sigbuf = OPENSSL_malloc(siglen);
	275	if(!sigbio) {
	276	BIO_printf(bio_err, "Error opening signature file %s\n",
	277	sigfile);
	278	ERR_print_errors(bio_err);
	279	goto end;
	280	}
	281	siglen = BIO_read(sigbio, sigbuf, siglen);
	282	BIO_free(sigbio);
	283	if(siglen <= 0) {
	284	BIO_printf(bio_err, "Error reading signature file %s\n",
	285	sigfile);
	286	ERR_print_errors(bio_err);
	287	goto end;
	288	}
	289	}
	290
291
292
d02b48c6 RE	293	/* we use md as a filter, reading from 'in' */
	294	BIO_set_md(bmd,md);
	295	inp=BIO_push(bmd,in);
	296
	297	if (argc == 0)
	298	{
	299	BIO_set_fp(in,stdin,BIO_NOCLOSE);
7df1c720	300	do_fp(out, buf,inp,separator, out_bin, sigkey, sigbuf, siglen);
d02b48c6 RE	301	}
	302	else
	303	{
	304	name=OBJ_nid2sn(md->type);
	305	for (i=0; i<argc; i++)
	306	{
	307	if (BIO_read_filename(in,argv[i]) <= 0)
	308	{
	309	perror(argv[i]);
	310	err++;
	311	continue;
	312	}
7df1c720 DSH	313	if(!out_bin) BIO_printf(out, "%s(%s)= ",name,argv[i]);
	314	do_fp(out, buf,inp,separator, out_bin, sigkey,
	315	sigbuf, siglen);
d58d092b	316	(void)BIO_reset(bmd);
d02b48c6 RE	317	}
	318	}
	319	end:
	320	if (buf != NULL)
	321	{
	322	memset(buf,0,BUFSIZE);
26a3a48d	323	OPENSSL_free(buf);
d02b48c6 RE	324	}
d02b48c6 RE	325	if (in != NULL) BIO_free(in);
7df1c720 DSH	326	BIO_free(out);
	327	EVP_PKEY_free(sigkey);
	328	if(sigbuf) OPENSSL_free(sigbuf);
d02b48c6 RE	329	if (bmd != NULL) BIO_free(bmd);
	330	EXIT(err);
	331	}
	332
7df1c720 DSH	333	void do_fp(BIO out, unsigned char buf, BIO *bp, int sep, char binout,
7df1c720 DSH	334	EVP_PKEY key, unsigned char sigin, unsigned int siglen)
d02b48c6 RE	335	{
	336	int len;
	337	int i;
	338
	339	for (;;)
	340	{
	341	i=BIO_read(bp,(char *)buf,BUFSIZE);
	342	if (i <= 0) break;
	343	}
7df1c720 DSH	344	if(sigin)
	345	{
	346	EVP_MD_CTX *ctx;
	347	BIO_get_md_ctx(bp, &ctx);
	348	i = EVP_VerifyFinal(ctx, sigin, siglen, key);
	349	if(i > 0) BIO_printf(out, "Verified OK\n");
	350	else if(i == 0) BIO_printf(out, "Verification Failure\n");
	351	else
	352	{
	353	BIO_printf(bio_err, "Error Verifying Data\n");
	354	ERR_print_errors(bio_err);
	355	}
	356	return;
	357	}
	358	if(key)
	359	{
	360	EVP_MD_CTX *ctx;
	361	BIO_get_md_ctx(bp, &ctx);
	362	if(!EVP_SignFinal(ctx, buf, (unsigned int *)&len, key))
	363	{
	364	BIO_printf(bio_err, "Error Signing Data\n");
	365	ERR_print_errors(bio_err);
	366	return;
	367	}
	368	}
	369	else
	370	len=BIO_gets(bp,(char *)buf,BUFSIZE);
d02b48c6	371
7df1c720 DSH	372	if(binout) BIO_write(out, buf, len);
7df1c720 DSH	373	else
d02b48c6	374	{
7df1c720 DSH	375	for (i=0; i<len; i++)
	376	{
	377	if (sep && (i != 0))
	378	BIO_printf(out, ":");
	379	BIO_printf(out, "%02x",buf[i]);
	380	}
	381	BIO_printf(out, "\n");
d02b48c6	382	}
d02b48c6 RE	383	}
d02b48c6 RE	384