[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>
#include <openssl/engine.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, int binout,
		EVP_PKEY *key, unsigned char *sigin, int siglen);

int MAIN(int, char **);

int MAIN(int argc, char **argv)
	{
	ENGINE *e = NULL;
	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;
	int keyform=FORMAT_PEM;
	const char *outfile = NULL, *keyfile = NULL;
	const char *sigfile = NULL, *randfile = NULL;
	int out_bin = -1, want_pub = 0, do_verify = 0;
	EVP_PKEY *sigkey = NULL;
	unsigned char *sigbuf = NULL;
	int siglen = 0;
	char *engine=NULL;

	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,"-keyform") == 0)
			{
			if (--argc < 1) break;
			keyform=str2fmt(*(++argv));
			}
		else if (strcmp(*argv,"-engine") == 0)
			{
			if (--argc < 1) break;
			engine= *(++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,"-keyform arg    key file format (PEM or ENGINE)\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,"-engine e       use engine e, possibly a hardware device.\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;
		}

	if (engine != NULL)
		{
		if((e = ENGINE_by_id(engine)) == NULL)
			{
			BIO_printf(bio_err,"invalid engine \"%s\"\n",
				engine);
			goto end;
			}
		if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
			{
			BIO_printf(bio_err,"can't use that engine\n");
			goto end;
			}
		BIO_printf(bio_err,"engine \"%s\" set.\n", engine);
		/* Free our "structural" reference. */
		ENGINE_free(e);
		}

	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);
#ifdef OPENSSL_SYS_VMS
		{
		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
		out = BIO_push(tmpbio, out);
		}
#endif
	}

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

	if(keyfile)
		{
		if (keyform == FORMAT_PEM)
			{
			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);
			}
		else if (keyform == FORMAT_ENGINE)
			{
			if (!e)
				{
				BIO_printf(bio_err,"no engine specified\n");
				goto end;
				}
			if (want_pub)
				sigkey = ENGINE_load_public_key(e, keyfile, NULL);
			else
				sigkey = ENGINE_load_private_key(e, keyfile, NULL);
			}
		else
			{
			BIO_printf(bio_err,
				"bad input format specified for key file\n");
			goto end;
			}
		
		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_all(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, int binout,
			EVP_PKEY *key, unsigned char *sigin, 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, (unsigned int)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>
5270e702	69	#include <openssl/engine.h>
d02b48c6 RE	70
	71	#undef BUFSIZE
	72	#define BUFSIZE 1024*8
	73
	74	#undef PROG
	75	#define PROG dgst_main
	76
92125ffa	77	void do_fp(BIO out, unsigned char buf, BIO *bp, int sep, int binout,
688fbf54	78	EVP_PKEY key, unsigned char sigin, int siglen);
667ac4ec RE	79
	80	int MAIN(int, char **);
	81
6b691a5c	82	int MAIN(int argc, char **argv)
d02b48c6	83	{
5270e702	84	ENGINE *e = NULL;
d02b48c6 RE	85	unsigned char *buf=NULL;
d02b48c6 RE	86	int i,err=0;
e778802f	87	const EVP_MD md=NULL,m;
d02b48c6 RE	88	BIO in=NULL,inp;
d02b48c6 RE	89	BIO *bmd=NULL;
7df1c720	90	BIO *out = NULL;
e778802f	91	const char *name;
d02b48c6	92	#define PROG_NAME_SIZE 16
b1c4fe36	93	char pname[PROG_NAME_SIZE];
d02b48c6 RE	94	int separator=0;
d02b48c6 RE	95	int debug=0;
32d862ed	96	int keyform=FORMAT_PEM;
7df1c720 DSH	97	const char outfile = NULL, keyfile = NULL;
7df1c720 DSH	98	const char sigfile = NULL, randfile = NULL;
92125ffa	99	int out_bin = -1, want_pub = 0, do_verify = 0;
7df1c720 DSH	100	EVP_PKEY *sigkey = NULL;
7df1c720 DSH	101	unsigned char *sigbuf = NULL;
688fbf54	102	int siglen = 0;
5270e702	103	char *engine=NULL;
d02b48c6 RE	104
	105	apps_startup();
	106
26a3a48d	107	if ((buf=(unsigned char *)OPENSSL_malloc(BUFSIZE)) == NULL)
d02b48c6 RE	108	{
	109	BIO_printf(bio_err,"out of memory\n");
	110	goto end;
	111	}
	112	if (bio_err == NULL)
	113	if ((bio_err=BIO_new(BIO_s_file())) != NULL)
58964a49	114	BIO_set_fp(bio_err,stderr,BIO_NOCLOSE\|BIO_FP_TEXT);
d02b48c6 RE	115
d02b48c6 RE	116	/* first check the program name */
b1c4fe36	117	program_name(argv[0],pname,PROG_NAME_SIZE);
d02b48c6 RE	118
	119	md=EVP_get_digestbyname(pname);
	120
	121	argc--;
	122	argv++;
54a29df0	123	while (argc > 0)
d02b48c6 RE	124	{
	125	if ((*argv)[0] != '-') break;
	126	if (strcmp(*argv,"-c") == 0)
	127	separator=1;
7df1c720 DSH	128	else if (strcmp(*argv,"-rand") == 0)
	129	{
	130	if (--argc < 1) break;
	131	randfile=*(++argv);
	132	}
	133	else if (strcmp(*argv,"-out") == 0)
	134	{
	135	if (--argc < 1) break;
	136	outfile=*(++argv);
	137	}
	138	else if (strcmp(*argv,"-sign") == 0)
	139	{
	140	if (--argc < 1) break;
	141	keyfile=*(++argv);
	142	}
	143	else if (strcmp(*argv,"-verify") == 0)
	144	{
	145	if (--argc < 1) break;
	146	keyfile=*(++argv);
	147	want_pub = 1;
	148	do_verify = 1;
	149	}
	150	else if (strcmp(*argv,"-prverify") == 0)
	151	{
	152	if (--argc < 1) break;
	153	keyfile=*(++argv);
	154	do_verify = 1;
	155	}
	156	else if (strcmp(*argv,"-signature") == 0)
	157	{
	158	if (--argc < 1) break;
	159	sigfile=*(++argv);
	160	}
32d862ed RL	161	else if (strcmp(*argv,"-keyform") == 0)
	162	{
	163	if (--argc < 1) break;
	164	keyform=str2fmt(*(++argv));
	165	}
5270e702 RL	166	else if (strcmp(*argv,"-engine") == 0)
	167	{
	168	if (--argc < 1) break;
	169	engine= *(++argv);
	170	}
7df1c720 DSH	171	else if (strcmp(*argv,"-hex") == 0)
	172	out_bin = 0;
	173	else if (strcmp(*argv,"-binary") == 0)
	174	out_bin = 1;
d02b48c6 RE	175	else if (strcmp(*argv,"-d") == 0)
	176	debug=1;
	177	else if ((m=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
	178	md=m;
	179	else
	180	break;
	181	argc--;
	182	argv++;
	183	}
	184
	185	if (md == NULL)
	186	md=EVP_md5();
	187
7df1c720 DSH	188	if(do_verify && !sigfile) {
	189	BIO_printf(bio_err, "No signature to verify: use the -signature option\n");
	190	err = 1;
	191	goto end;
	192	}
	193
d02b48c6 RE	194	if ((argc > 0) && (argv[0][0] == '-')) /* bad option */
	195	{
	196	BIO_printf(bio_err,"unknown option '%s'\n",*argv);
	197	BIO_printf(bio_err,"options are\n");
7df1c720 DSH	198	BIO_printf(bio_err,"-c to output the digest with separating colons\n");
	199	BIO_printf(bio_err,"-d to output debug info\n");
	200	BIO_printf(bio_err,"-hex output as hex dump\n");
	201	BIO_printf(bio_err,"-binary output in binary form\n");
	202	BIO_printf(bio_err,"-sign file sign digest using private key in file\n");
	203	BIO_printf(bio_err,"-verify file verify a signature using public key in file\n");
	204	BIO_printf(bio_err,"-prverify file verify a signature using private key in file\n");
32d862ed	205	BIO_printf(bio_err,"-keyform arg key file format (PEM or ENGINE)\n");
7df1c720 DSH	206	BIO_printf(bio_err,"-signature file signature to verify\n");
7df1c720 DSH	207	BIO_printf(bio_err,"-binary output in binary form\n");
5270e702	208	BIO_printf(bio_err,"-engine e use engine e, possibly a hardware device.\n");
7df1c720	209
58964a49	210	BIO_printf(bio_err,"-%3s to use the %s message digest algorithm (default)\n",
d02b48c6	211	LN_md5,LN_md5);
3009458e RL	212	BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
3009458e RL	213	LN_md4,LN_md4);
58964a49	214	BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
d02b48c6	215	LN_md2,LN_md2);
58964a49	216	BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
d02b48c6	217	LN_sha1,LN_sha1);
58964a49	218	BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
d02b48c6	219	LN_sha,LN_sha);
58964a49	220	BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
d02b48c6	221	LN_mdc2,LN_mdc2);
dfeab068 RE	222	BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
dfeab068 RE	223	LN_ripemd160,LN_ripemd160);
d02b48c6 RE	224	err=1;
	225	goto end;
	226	}
7df1c720	227
5270e702 RL	228	if (engine != NULL)
	229	{
	230	if((e = ENGINE_by_id(engine)) == NULL)
	231	{
	232	BIO_printf(bio_err,"invalid engine \"%s\"\n",
	233	engine);
	234	goto end;
	235	}
	236	if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
	237	{
	238	BIO_printf(bio_err,"can't use that engine\n");
	239	goto end;
	240	}
	241	BIO_printf(bio_err,"engine \"%s\" set.\n", engine);
	242	/* Free our "structural" reference. */
	243	ENGINE_free(e);
	244	}
	245
d02b48c6 RE	246	in=BIO_new(BIO_s_file());
	247	bmd=BIO_new(BIO_f_md());
	248	if (debug)
	249	{
	250	BIO_set_callback(in,BIO_debug_callback);
	251	/* needed for windows 3.1 */
	252	BIO_set_callback_arg(in,bio_err);
	253	}
	254
	255	if ((in == NULL) \|\| (bmd == NULL))
	256	{
	257	ERR_print_errors(bio_err);
	258	goto end;
	259	}
	260
7df1c720 DSH	261	if(out_bin == -1) {
	262	if(keyfile) out_bin = 1;
	263	else out_bin = 0;
	264	}
	265
	266	if(randfile)
	267	app_RAND_load_file(randfile, bio_err, 0);
	268
	269	if(outfile) {
	270	if(out_bin)
	271	out = BIO_new_file(outfile, "wb");
	272	else out = BIO_new_file(outfile, "w");
645749ef RL	273	} else {
645749ef RL	274	out = BIO_new_fp(stdout, BIO_NOCLOSE);
bc36ee62	275	#ifdef OPENSSL_SYS_VMS
645749ef RL	276	{
	277	BIO *tmpbio = BIO_new(BIO_f_linebuffer());
	278	out = BIO_push(tmpbio, out);
	279	}
	280	#endif
	281	}
7df1c720 DSH	282
	283	if(!out) {
	284	BIO_printf(bio_err, "Error opening output file %s\n",
	285	outfile ? outfile : "(stdout)");
	286	ERR_print_errors(bio_err);
	287	goto end;
	288	}
	289
32d862ed RL	290	if(keyfile)
	291	{
	292	if (keyform == FORMAT_PEM)
	293	{
	294	BIO *keybio;
	295	keybio = BIO_new_file(keyfile, "r");
	296	if(!keybio)
	297	{
	298	BIO_printf(bio_err,
	299	"Error opening key file %s\n",
	300	keyfile);
	301	ERR_print_errors(bio_err);
	302	goto end;
	303	}
	304	if(want_pub)
	305	sigkey = PEM_read_bio_PUBKEY(keybio,
	306	NULL, NULL, NULL);
	307	else
	308	sigkey = PEM_read_bio_PrivateKey(keybio,
	309	NULL, NULL, NULL);
	310	BIO_free(keybio);
	311	}
	312	else if (keyform == FORMAT_ENGINE)
	313	{
	314	if (!e)
	315	{
	316	BIO_printf(bio_err,"no engine specified\n");
	317	goto end;
	318	}
	319	if (want_pub)
	320	sigkey = ENGINE_load_public_key(e, keyfile, NULL);
	321	else
	322	sigkey = ENGINE_load_private_key(e, keyfile, NULL);
	323	}
	324	else
	325	{
	326	BIO_printf(bio_err,
	327	"bad input format specified for key file\n");
7df1c720	328	goto end;
32d862ed	329	}
7df1c720	330
7df1c720 DSH	331	if(!sigkey) {
	332	BIO_printf(bio_err, "Error reading key file %s\n",
	333	keyfile);
	334	ERR_print_errors(bio_err);
	335	goto end;
	336	}
	337	}
	338
	339	if(sigfile && sigkey) {
	340	BIO *sigbio;
	341	sigbio = BIO_new_file(sigfile, "rb");
	342	siglen = EVP_PKEY_size(sigkey);
	343	sigbuf = OPENSSL_malloc(siglen);
	344	if(!sigbio) {
	345	BIO_printf(bio_err, "Error opening signature file %s\n",
	346	sigfile);
	347	ERR_print_errors(bio_err);
	348	goto end;
	349	}
	350	siglen = BIO_read(sigbio, sigbuf, siglen);
	351	BIO_free(sigbio);
688fbf54	352	if(siglen <= 0) {
7df1c720 DSH	353	BIO_printf(bio_err, "Error reading signature file %s\n",
	354	sigfile);
	355	ERR_print_errors(bio_err);
	356	goto end;
	357	}
	358	}
	359
	360
	361
d02b48c6 RE	362	/* we use md as a filter, reading from 'in' */
	363	BIO_set_md(bmd,md);
	364	inp=BIO_push(bmd,in);
	365
	366	if (argc == 0)
	367	{
	368	BIO_set_fp(in,stdin,BIO_NOCLOSE);
7df1c720	369	do_fp(out, buf,inp,separator, out_bin, sigkey, sigbuf, siglen);
d02b48c6 RE	370	}
	371	else
	372	{
	373	name=OBJ_nid2sn(md->type);
	374	for (i=0; i<argc; i++)
	375	{
	376	if (BIO_read_filename(in,argv[i]) <= 0)
	377	{
	378	perror(argv[i]);
	379	err++;
	380	continue;
	381	}
7df1c720 DSH	382	if(!out_bin) BIO_printf(out, "%s(%s)= ",name,argv[i]);
	383	do_fp(out, buf,inp,separator, out_bin, sigkey,
	384	sigbuf, siglen);
d58d092b	385	(void)BIO_reset(bmd);
d02b48c6 RE	386	}
	387	}
	388	end:
	389	if (buf != NULL)
	390	{
	391	memset(buf,0,BUFSIZE);
26a3a48d	392	OPENSSL_free(buf);
d02b48c6 RE	393	}
d02b48c6 RE	394	if (in != NULL) BIO_free(in);
645749ef	395	BIO_free_all(out);
7df1c720 DSH	396	EVP_PKEY_free(sigkey);
7df1c720 DSH	397	if(sigbuf) OPENSSL_free(sigbuf);
d02b48c6 RE	398	if (bmd != NULL) BIO_free(bmd);
	399	EXIT(err);
	400	}
	401
92125ffa	402	void do_fp(BIO out, unsigned char buf, BIO *bp, int sep, int binout,
688fbf54	403	EVP_PKEY key, unsigned char sigin, int siglen)
d02b48c6 RE	404	{
	405	int len;
	406	int i;
	407
	408	for (;;)
	409	{
	410	i=BIO_read(bp,(char *)buf,BUFSIZE);
	411	if (i <= 0) break;
	412	}
7df1c720 DSH	413	if(sigin)
	414	{
	415	EVP_MD_CTX *ctx;
	416	BIO_get_md_ctx(bp, &ctx);
688fbf54	417	i = EVP_VerifyFinal(ctx, sigin, (unsigned int)siglen, key);
7df1c720 DSH	418	if(i > 0) BIO_printf(out, "Verified OK\n");
	419	else if(i == 0) BIO_printf(out, "Verification Failure\n");
	420	else
	421	{
	422	BIO_printf(bio_err, "Error Verifying Data\n");
	423	ERR_print_errors(bio_err);
	424	}
	425	return;
	426	}
	427	if(key)
	428	{
	429	EVP_MD_CTX *ctx;
	430	BIO_get_md_ctx(bp, &ctx);
	431	if(!EVP_SignFinal(ctx, buf, (unsigned int *)&len, key))
	432	{
	433	BIO_printf(bio_err, "Error Signing Data\n");
	434	ERR_print_errors(bio_err);
	435	return;
	436	}
	437	}
	438	else
	439	len=BIO_gets(bp,(char *)buf,BUFSIZE);
d02b48c6	440
7df1c720 DSH	441	if(binout) BIO_write(out, buf, len);
7df1c720 DSH	442	else
d02b48c6	443	{
7df1c720 DSH	444	for (i=0; i<len; i++)
	445	{
	446	if (sep && (i != 0))
	447	BIO_printf(out, ":");
	448	BIO_printf(out, "%02x",buf[i]);
	449	}
	450	BIO_printf(out, "\n");
d02b48c6	451	}
d02b48c6 RE	452	}
d02b48c6 RE	453