[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/hmac.h>

#undef BUFSIZE
#define BUFSIZE	1024*8

#undef PROG
#define PROG	dgst_main

int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout,
	  EVP_PKEY *key, unsigned char *sigin, int siglen,
	  const char *sig_name, const char *md_name,
	  const char *file,BIO *bmd);

int MAIN(int, char **);

int MAIN(int argc, char **argv)
	{
	ENGINE *e = NULL;
	unsigned char *buf=NULL;
	int i,err=1;
	const EVP_MD *md=NULL,*m;
	BIO *in=NULL,*inp;
	BIO *bmd=NULL;
	BIO *out = NULL;
#define PROG_NAME_SIZE  39
	char pname[PROG_NAME_SIZE+1];
	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 *passargin = NULL, *passin = NULL;
#ifndef OPENSSL_NO_ENGINE
	char *engine=NULL;
#endif
	char *hmac_key=NULL;
	char *mac_name=NULL;
	STACK *sigopts = NULL, *macopts = 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);

	if (!load_config(bio_err, NULL))
		goto end;

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

	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,"-passin"))
			{
			if (--argc < 1)
				break;
			passargin=*++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));
			}
#ifndef OPENSSL_NO_ENGINE
		else if (strcmp(*argv,"-engine") == 0)
			{
			if (--argc < 1) break;
			engine= *(++argv);
        		e = setup_engine(bio_err, engine, 0);
			}
#endif
		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 (!strcmp(*argv,"-hmac"))
			{
			if (--argc < 1)
				break;
			hmac_key=*++argv;
			}
		else if (!strcmp(*argv,"-mac"))
			{
			if (--argc < 1)
				break;
			mac_name=*++argv;
			}
		else if (strcmp(*argv,"-sigopt") == 0)
			{
			if (--argc < 1)
				break;
			if (!sigopts)
				sigopts = sk_new_null();
			if (!sigopts || !sk_push(sigopts, *(++argv)))
				break;
			}
		else if (strcmp(*argv,"-macopt") == 0)
			{
			if (--argc < 1)
				break;
			if (!macopts)
				macopts = sk_new_null();
			if (!macopts || !sk_push(macopts, *(++argv)))
				break;
			}
		else if ((m=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
			md=m;
		else
			break;
		argc--;
		argv++;
		}


	if(do_verify && !sigfile) {
		BIO_printf(bio_err, "No signature to verify: use the -signature option\n");
		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,"-sigopt nm:v    signature parameter\n");
		BIO_printf(bio_err,"-binary         output in binary form\n");
#ifndef OPENSSL_NO_ENGINE
		BIO_printf(bio_err,"-engine e       use engine e, possibly a hardware device.\n");
#endif

		BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm (default)\n",
			LN_md5,LN_md5);
		BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
			LN_md4,LN_md4);
		BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
			LN_md2,LN_md2);
#ifndef OPENSSL_NO_SHA
		BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
			LN_sha1,LN_sha1);
#ifndef OPENSSL_NO_SHA256
		BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
			LN_sha224,LN_sha224);
		BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
			LN_sha256,LN_sha256);
#endif
#ifndef OPENSSL_NO_SHA512
		BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
			LN_sha384,LN_sha384);
		BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
			LN_sha512,LN_sha512);
#endif
#endif
		BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
			LN_mdc2,LN_mdc2);
		BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
			LN_ripemd160,LN_ripemd160);
#ifndef OPENSSL_NO_WHIRLPOOL
		BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
			SN_whirlpool,SN_whirlpool);
#endif
		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,(char *)bio_err);
		}

	if(!app_passwd(bio_err, passargin, NULL, &passin, NULL))
		{
		BIO_printf(bio_err, "Error getting password\n");
		goto end;
		}

	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 ((!!mac_name + !!keyfile + !!hmac_key) > 1)
		{
		BIO_printf(bio_err, "MAC and Signing key cannot both be specified\n");
		goto end;
		}

	if(keyfile)
		{
		if (want_pub)
			sigkey = load_pubkey(bio_err, keyfile, keyform, 0, NULL,
				e, "key file");
		else
			sigkey = load_key(bio_err, keyfile, keyform, 0, passin,
				e, "key file");
		if (!sigkey)
			{
			/* load_[pub]key() has already printed an appropriate
			   message */
			goto end;
			}
		}

	if (mac_name)
		{
		EVP_PKEY_CTX *mac_ctx = NULL;
		int r = 0;
		if (!init_gen_str(bio_err, &mac_ctx, mac_name,e, 0))
			goto mac_end;
		if (macopts)
			{
			char *macopt;
			for (i = 0; i < sk_num(macopts); i++)
				{
				macopt = sk_value(macopts, i);
				if (pkey_ctrl_string(mac_ctx, macopt) <= 0)
					{
					BIO_printf(bio_err,
						"MAC parameter error \"%s\"\n",
						macopt);
					ERR_print_errors(bio_err);
					goto mac_end;
					}
				}
			}
		if (EVP_PKEY_keygen(mac_ctx, &sigkey) <= 0)
			{
			BIO_puts(bio_err, "Error generating key\n");
			ERR_print_errors(bio_err);
			goto mac_end;
			}
		r = 1;
		mac_end:
		if (mac_ctx)
			EVP_PKEY_CTX_free(mac_ctx);
		if (r == 0)
			goto end;
		}

	if (hmac_key)
		{
		sigkey = EVP_PKEY_new_mac_key(EVP_PKEY_HMAC, e,
					(unsigned char *)hmac_key, -1);
		if (!sigkey)
			goto end;
		}

	if (sigkey)
		{
		EVP_MD_CTX *mctx = NULL;
		EVP_PKEY_CTX *pctx = NULL;
		int r;
		if (!BIO_get_md_ctx(bmd, &mctx))
			{
			BIO_printf(bio_err, "Error getting context\n");
			ERR_print_errors(bio_err);
			goto end;
			}
		if (do_verify)
			r = EVP_DigestVerifyInit(mctx, &pctx, md, e, sigkey);
		else
			r = EVP_DigestSignInit(mctx, &pctx, md, e, sigkey);
		if (!r)
			{
			BIO_printf(bio_err, "Error setting context\n");
			ERR_print_errors(bio_err);
			goto end;
			}
		if (sigopts)
			{
			char *sigopt;
			for (i = 0; i < sk_num(sigopts); i++)
				{
				sigopt = sk_value(sigopts, i);
				if (pkey_ctrl_string(pctx, sigopt) <= 0)
					{
					BIO_printf(bio_err,
						"parameter error \"%s\"\n",
						sigopt);
					ERR_print_errors(bio_err);
					goto end;
					}
				}
			}
		}
	/* we use md as a filter, reading from 'in' */
	else
		{
		if (md == NULL)
			md = EVP_md5(); 
		if (!BIO_set_md(bmd,md))
			{
			BIO_printf(bio_err, "Error setting digest %s\n", pname);
			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;
		}
	}
	inp=BIO_push(bmd,in);

	if (md == NULL)
		{
		EVP_MD_CTX *tctx;
		BIO_get_md_ctx(bmd, &tctx);
		md = EVP_MD_CTX_md(tctx);
		}

	if (argc == 0)
		{
		BIO_set_fp(in,stdin,BIO_NOCLOSE);
		err=do_fp(out, buf,inp,separator, out_bin, sigkey, sigbuf,
			  siglen,NULL,NULL,"stdin",bmd);
		}
	else
		{
		const char *md_name = NULL, *sig_name = NULL;
		if(!out_bin)
			{
			if (sigkey)
				{
				const EVP_PKEY_ASN1_METHOD *ameth;
				ameth = EVP_PKEY_get0_asn1(sigkey);
				if (ameth)
					EVP_PKEY_asn1_get0_info(NULL, NULL,
						NULL, NULL, &sig_name, ameth);
				}
			md_name = EVP_MD_name(md);
			}
		err = 0;
		for (i=0; i<argc; i++)
			{
			int r;
			if (BIO_read_filename(in,argv[i]) <= 0)
				{
				perror(argv[i]);
				err++;
				continue;
				}
			else
			r=do_fp(out,buf,inp,separator,out_bin,sigkey,sigbuf,
				siglen,sig_name,md_name, argv[i],bmd);
			if(r)
			    err=r;
			(void)BIO_reset(bmd);
			}
		}
end:
	if (buf != NULL)
		{
		OPENSSL_cleanse(buf,BUFSIZE);
		OPENSSL_free(buf);
		}
	if (in != NULL) BIO_free(in);
	if (passin)
		OPENSSL_free(passin);
	BIO_free_all(out);
	EVP_PKEY_free(sigkey);
	if (sigopts)
		sk_free(sigopts);
	if (macopts)
		sk_free(macopts);
	if(sigbuf) OPENSSL_free(sigbuf);
	if (bmd != NULL) BIO_free(bmd);
	apps_shutdown();
	OPENSSL_EXIT(err);
	}

int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout,
	  EVP_PKEY *key, unsigned char *sigin, int siglen,
	  const char *sig_name, const char *md_name,
	  const char *file,BIO *bmd)
	{
	size_t len;
	int i;

	for (;;)
		{
		i=BIO_read(bp,(char *)buf,BUFSIZE);
		if(i < 0)
			{
			BIO_printf(bio_err, "Read Error in %s\n",file);
			ERR_print_errors(bio_err);
			return 1;
			}
		if (i == 0) break;
		}
	if(sigin)
		{
		EVP_MD_CTX *ctx;
		BIO_get_md_ctx(bp, &ctx);
		i = EVP_DigestVerifyFinal(ctx, sigin, (unsigned int)siglen); 
		if(i > 0)
			BIO_printf(out, "Verified OK\n");
		else if(i == 0)
			{
			BIO_printf(out, "Verification Failure\n");
			return 1;
			}
		else
			{
			BIO_printf(bio_err, "Error Verifying Data\n");
			ERR_print_errors(bio_err);
			return 1;
			}
		return 0;
		}
	if(key)
		{
		EVP_MD_CTX *ctx;
		BIO_get_md_ctx(bp, &ctx);
		len = BUFSIZE;
		if(!EVP_DigestSignFinal(ctx, buf, &len)) 
			{
			BIO_printf(bio_err, "Error Signing Data\n");
			ERR_print_errors(bio_err);
			return 1;
			}
		}
	else
		len=BIO_gets(bp,(char *)buf,BUFSIZE);

	if(binout) BIO_write(out, buf, len);
	else 
		{
		if (sig_name)
			BIO_printf(out, "%s-%s(%s)= ", sig_name, md_name, file);
		else if (md_name)
			BIO_printf(out, "%s(%s)= ", md_name, file);
		else
			BIO_printf(out, "(%s)= ", file);
		for (i=0; i<(int)len; i++)
			{
			if (sep && (i != 0))
				BIO_printf(out, ":");
			BIO_printf(out, "%02x",buf[i]);
			}
		BIO_printf(out, "\n");
		}
	return 0;
	}
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>
52cfa397	69	#include <openssl/hmac.h>
d02b48c6 RE	70
	71	#undef BUFSIZE
	72	#define BUFSIZE 1024*8
	73
	74	#undef PROG
	75	#define PROG dgst_main
	76
d15711ef	77	int do_fp(BIO out, unsigned char buf, BIO *bp, int sep, int binout,
e77dbf32 DSH	78	EVP_PKEY key, unsigned char sigin, int siglen,
e77dbf32 DSH	79	const char sig_name, const char md_name,
2022cfe0	80	const char file,BIO bmd);
667ac4ec RE	81
	82	int MAIN(int, char **);
	83
6b691a5c	84	int MAIN(int argc, char **argv)
d02b48c6	85	{
5270e702	86	ENGINE *e = NULL;
d02b48c6	87	unsigned char *buf=NULL;
9c54e18b	88	int i,err=1;
e778802f	89	const EVP_MD md=NULL,m;
d02b48c6 RE	90	BIO in=NULL,inp;
d02b48c6 RE	91	BIO *bmd=NULL;
7df1c720	92	BIO *out = NULL;
dfee50ec RL	93	#define PROG_NAME_SIZE 39
dfee50ec RL	94	char pname[PROG_NAME_SIZE+1];
d02b48c6 RE	95	int separator=0;
d02b48c6 RE	96	int debug=0;
32d862ed	97	int keyform=FORMAT_PEM;
7df1c720 DSH	98	const char outfile = NULL, keyfile = NULL;
7df1c720 DSH	99	const char sigfile = NULL, randfile = NULL;
92125ffa	100	int out_bin = -1, want_pub = 0, do_verify = 0;
7df1c720 DSH	101	EVP_PKEY *sigkey = NULL;
7df1c720 DSH	102	unsigned char *sigbuf = NULL;
688fbf54	103	int siglen = 0;
5b40d7dd	104	char passargin = NULL, passin = NULL;
0b13e9f0	105	#ifndef OPENSSL_NO_ENGINE
5270e702	106	char *engine=NULL;
0b13e9f0	107	#endif
52cfa397	108	char *hmac_key=NULL;
2022cfe0 DSH	109	char *mac_name=NULL;
2022cfe0 DSH	110	STACK sigopts = NULL, macopts = NULL;
d02b48c6 RE	111
	112	apps_startup();
	113
26a3a48d	114	if ((buf=(unsigned char *)OPENSSL_malloc(BUFSIZE)) == NULL)
d02b48c6 RE	115	{
	116	BIO_printf(bio_err,"out of memory\n");
	117	goto end;
	118	}
	119	if (bio_err == NULL)
	120	if ((bio_err=BIO_new(BIO_s_file())) != NULL)
58964a49	121	BIO_set_fp(bio_err,stderr,BIO_NOCLOSE\|BIO_FP_TEXT);
d02b48c6	122
3647bee2 DSH	123	if (!load_config(bio_err, NULL))
	124	goto end;
	125
d02b48c6	126	/* first check the program name */
54a656ef	127	program_name(argv[0],pname,sizeof pname);
d02b48c6 RE	128
	129	md=EVP_get_digestbyname(pname);
	130
	131	argc--;
	132	argv++;
54a29df0	133	while (argc > 0)
d02b48c6 RE	134	{
	135	if ((*argv)[0] != '-') break;
	136	if (strcmp(*argv,"-c") == 0)
	137	separator=1;
7df1c720 DSH	138	else if (strcmp(*argv,"-rand") == 0)
	139	{
	140	if (--argc < 1) break;
	141	randfile=*(++argv);
	142	}
	143	else if (strcmp(*argv,"-out") == 0)
	144	{
	145	if (--argc < 1) break;
	146	outfile=*(++argv);
	147	}
	148	else if (strcmp(*argv,"-sign") == 0)
	149	{
	150	if (--argc < 1) break;
	151	keyfile=*(++argv);
	152	}
5b40d7dd DSH	153	else if (!strcmp(*argv,"-passin"))
	154	{
	155	if (--argc < 1)
	156	break;
	157	passargin=*++argv;
	158	}
7df1c720 DSH	159	else if (strcmp(*argv,"-verify") == 0)
	160	{
	161	if (--argc < 1) break;
	162	keyfile=*(++argv);
	163	want_pub = 1;
	164	do_verify = 1;
	165	}
	166	else if (strcmp(*argv,"-prverify") == 0)
	167	{
	168	if (--argc < 1) break;
	169	keyfile=*(++argv);
	170	do_verify = 1;
	171	}
	172	else if (strcmp(*argv,"-signature") == 0)
	173	{
	174	if (--argc < 1) break;
	175	sigfile=*(++argv);
	176	}
32d862ed RL	177	else if (strcmp(*argv,"-keyform") == 0)
	178	{
	179	if (--argc < 1) break;
	180	keyform=str2fmt(*(++argv));
	181	}
0b13e9f0	182	#ifndef OPENSSL_NO_ENGINE
5270e702 RL	183	else if (strcmp(*argv,"-engine") == 0)
	184	{
	185	if (--argc < 1) break;
	186	engine= *(++argv);
246e0931	187	e = setup_engine(bio_err, engine, 0);
5270e702	188	}
0b13e9f0	189	#endif
7df1c720 DSH	190	else if (strcmp(*argv,"-hex") == 0)
	191	out_bin = 0;
	192	else if (strcmp(*argv,"-binary") == 0)
	193	out_bin = 1;
d02b48c6 RE	194	else if (strcmp(*argv,"-d") == 0)
d02b48c6 RE	195	debug=1;
52cfa397 DSH	196	else if (!strcmp(*argv,"-hmac"))
	197	{
	198	if (--argc < 1)
	199	break;
	200	hmac_key=*++argv;
	201	}
2022cfe0 DSH	202	else if (!strcmp(*argv,"-mac"))
	203	{
	204	if (--argc < 1)
	205	break;
	206	mac_name=*++argv;
	207	}
d952c79a DSH	208	else if (strcmp(*argv,"-sigopt") == 0)
	209	{
	210	if (--argc < 1)
	211	break;
	212	if (!sigopts)
	213	sigopts = sk_new_null();
	214	if (!sigopts \|\| !sk_push(sigopts, *(++argv)))
	215	break;
	216	}
2022cfe0 DSH	217	else if (strcmp(*argv,"-macopt") == 0)
	218	{
	219	if (--argc < 1)
	220	break;
	221	if (!macopts)
	222	macopts = sk_new_null();
	223	if (!macopts \|\| !sk_push(macopts, *(++argv)))
	224	break;
	225	}
d02b48c6 RE	226	else if ((m=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
	227	md=m;
	228	else
	229	break;
	230	argc--;
	231	argv++;
	232	}
	233
d02b48c6	234
7df1c720 DSH	235	if(do_verify && !sigfile) {
7df1c720 DSH	236	BIO_printf(bio_err, "No signature to verify: use the -signature option\n");
7df1c720 DSH	237	goto end;
	238	}
	239
d02b48c6 RE	240	if ((argc > 0) && (argv[0][0] == '-')) /* bad option */
	241	{
	242	BIO_printf(bio_err,"unknown option '%s'\n",*argv);
	243	BIO_printf(bio_err,"options are\n");
7df1c720 DSH	244	BIO_printf(bio_err,"-c to output the digest with separating colons\n");
	245	BIO_printf(bio_err,"-d to output debug info\n");
	246	BIO_printf(bio_err,"-hex output as hex dump\n");
	247	BIO_printf(bio_err,"-binary output in binary form\n");
	248	BIO_printf(bio_err,"-sign file sign digest using private key in file\n");
	249	BIO_printf(bio_err,"-verify file verify a signature using public key in file\n");
	250	BIO_printf(bio_err,"-prverify file verify a signature using private key in file\n");
32d862ed	251	BIO_printf(bio_err,"-keyform arg key file format (PEM or ENGINE)\n");
7df1c720	252	BIO_printf(bio_err,"-signature file signature to verify\n");
d952c79a	253	BIO_printf(bio_err,"-sigopt nm:v signature parameter\n");
7df1c720	254	BIO_printf(bio_err,"-binary output in binary form\n");
0b13e9f0	255	#ifndef OPENSSL_NO_ENGINE
5270e702	256	BIO_printf(bio_err,"-engine e use engine e, possibly a hardware device.\n");
0b13e9f0	257	#endif
7df1c720	258
7b1b47a8	259	BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm (default)\n",
d02b48c6	260	LN_md5,LN_md5);
7b1b47a8	261	BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
3009458e	262	LN_md4,LN_md4);
7b1b47a8	263	BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
d02b48c6	264	LN_md2,LN_md2);
c88f8f76	265	#ifndef OPENSSL_NO_SHA
7b1b47a8	266	BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
d02b48c6	267	LN_sha1,LN_sha1);
c88f8f76	268	#ifndef OPENSSL_NO_SHA256
7b1b47a8 AP	269	BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
	270	LN_sha224,LN_sha224);
	271	BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
c88f8f76 AP	272	LN_sha256,LN_sha256);
	273	#endif
	274	#ifndef OPENSSL_NO_SHA512
7b1b47a8 AP	275	BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
	276	LN_sha384,LN_sha384);
	277	BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
c88f8f76 AP	278	LN_sha512,LN_sha512);
	279	#endif
	280	#endif
7b1b47a8	281	BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
d02b48c6	282	LN_mdc2,LN_mdc2);
7b1b47a8	283	BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
dfeab068	284	LN_ripemd160,LN_ripemd160);
7b1b47a8 AP	285	#ifndef OPENSSL_NO_WHIRLPOOL
	286	BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
	287	SN_whirlpool,SN_whirlpool);
	288	#endif
8dbdf631	289	goto end;
d02b48c6	290	}
7df1c720	291
d02b48c6 RE	292	in=BIO_new(BIO_s_file());
	293	bmd=BIO_new(BIO_f_md());
	294	if (debug)
	295	{
	296	BIO_set_callback(in,BIO_debug_callback);
	297	/* needed for windows 3.1 */
7806f3dd	298	BIO_set_callback_arg(in,(char *)bio_err);
d02b48c6 RE	299	}
d02b48c6 RE	300
5b40d7dd DSH	301	if(!app_passwd(bio_err, passargin, NULL, &passin, NULL))
	302	{
	303	BIO_printf(bio_err, "Error getting password\n");
	304	goto end;
	305	}
	306
d02b48c6 RE	307	if ((in == NULL) \|\| (bmd == NULL))
	308	{
	309	ERR_print_errors(bio_err);
	310	goto end;
	311	}
	312
7df1c720	313	if(out_bin == -1) {
9c54e18b DSH	314	if(keyfile)
	315	out_bin = 1;
	316	else
	317	out_bin = 0;
7df1c720 DSH	318	}
	319
	320	if(randfile)
	321	app_RAND_load_file(randfile, bio_err, 0);
	322
	323	if(outfile) {
	324	if(out_bin)
	325	out = BIO_new_file(outfile, "wb");
	326	else out = BIO_new_file(outfile, "w");
645749ef RL	327	} else {
645749ef RL	328	out = BIO_new_fp(stdout, BIO_NOCLOSE);
bc36ee62	329	#ifdef OPENSSL_SYS_VMS
645749ef RL	330	{
	331	BIO *tmpbio = BIO_new(BIO_f_linebuffer());
	332	out = BIO_push(tmpbio, out);
	333	}
	334	#endif
	335	}
7df1c720 DSH	336
	337	if(!out) {
	338	BIO_printf(bio_err, "Error opening output file %s\n",
	339	outfile ? outfile : "(stdout)");
	340	ERR_print_errors(bio_err);
	341	goto end;
	342	}
2022cfe0 DSH	343	if ((!!mac_name + !!keyfile + !!hmac_key) > 1)
	344	{
	345	BIO_printf(bio_err, "MAC and Signing key cannot both be specified\n");
	346	goto end;
	347	}
7df1c720	348
32d862ed RL	349	if(keyfile)
32d862ed RL	350	{
30b4c272	351	if (want_pub)
da9b9724	352	sigkey = load_pubkey(bio_err, keyfile, keyform, 0, NULL,
30b4c272	353	e, "key file");
32d862ed	354	else
5b40d7dd	355	sigkey = load_key(bio_err, keyfile, keyform, 0, passin,
30b4c272 RL	356	e, "key file");
30b4c272 RL	357	if (!sigkey)
32d862ed	358	{
30b4c272 RL	359	/* load_[pub]key() has already printed an appropriate
30b4c272 RL	360	message */
7df1c720	361	goto end;
32d862ed	362	}
7df1c720	363	}
7df1c720	364
2022cfe0 DSH	365	if (mac_name)
	366	{
	367	EVP_PKEY_CTX *mac_ctx = NULL;
	368	int r = 0;
	369	if (!init_gen_str(bio_err, &mac_ctx, mac_name,e, 0))
	370	goto mac_end;
	371	if (macopts)
	372	{
	373	char *macopt;
	374	for (i = 0; i < sk_num(macopts); i++)
	375	{
	376	macopt = sk_value(macopts, i);
	377	if (pkey_ctrl_string(mac_ctx, macopt) <= 0)
	378	{
	379	BIO_printf(bio_err,
	380	"MAC parameter error \"%s\"\n",
	381	macopt);
	382	ERR_print_errors(bio_err);
	383	goto mac_end;
	384	}
	385	}
	386	}
	387	if (EVP_PKEY_keygen(mac_ctx, &sigkey) <= 0)
	388	{
	389	BIO_puts(bio_err, "Error generating key\n");
	390	ERR_print_errors(bio_err);
	391	goto mac_end;
	392	}
	393	r = 1;
	394	mac_end:
	395	if (mac_ctx)
	396	EVP_PKEY_CTX_free(mac_ctx);
	397	if (r == 0)
	398	goto end;
	399	}
	400
	401	if (hmac_key)
	402	{
	403	sigkey = EVP_PKEY_new_mac_key(EVP_PKEY_HMAC, e,
	404	(unsigned char *)hmac_key, -1);
	405	if (!sigkey)
	406	goto end;
	407	}
	408
d952c79a DSH	409	if (sigkey)
	410	{
	411	EVP_MD_CTX *mctx = NULL;
	412	EVP_PKEY_CTX *pctx = NULL;
47b2e238	413	int r;
d952c79a DSH	414	if (!BIO_get_md_ctx(bmd, &mctx))
	415	{
	416	BIO_printf(bio_err, "Error getting context\n");
	417	ERR_print_errors(bio_err);
	418	goto end;
	419	}
47b2e238 DSH	420	if (do_verify)
	421	r = EVP_DigestVerifyInit(mctx, &pctx, md, e, sigkey);
	422	else
	423	r = EVP_DigestSignInit(mctx, &pctx, md, e, sigkey);
	424	if (!r)
d952c79a DSH	425	{
	426	BIO_printf(bio_err, "Error setting context\n");
	427	ERR_print_errors(bio_err);
	428	goto end;
	429	}
	430	if (sigopts)
	431	{
	432	char *sigopt;
	433	for (i = 0; i < sk_num(sigopts); i++)
	434	{
	435	sigopt = sk_value(sigopts, i);
	436	if (pkey_ctrl_string(pctx, sigopt) <= 0)
	437	{
	438	BIO_printf(bio_err,
	439	"parameter error \"%s\"\n",
	440	sigopt);
	441	ERR_print_errors(bio_err);
	442	goto end;
	443	}
	444	}
	445	}
	446	}
	447	/* we use md as a filter, reading from 'in' */
f03620ea	448	else
d952c79a	449	{
f03620ea DSH	450	if (md == NULL)
	451	md = EVP_md5();
	452	if (!BIO_set_md(bmd,md))
	453	{
	454	BIO_printf(bio_err, "Error setting digest %s\n", pname);
	455	ERR_print_errors(bio_err);
	456	goto end;
	457	}
d952c79a DSH	458	}
d952c79a DSH	459
7df1c720 DSH	460	if(sigfile && sigkey) {
	461	BIO *sigbio;
	462	sigbio = BIO_new_file(sigfile, "rb");
	463	siglen = EVP_PKEY_size(sigkey);
	464	sigbuf = OPENSSL_malloc(siglen);
	465	if(!sigbio) {
	466	BIO_printf(bio_err, "Error opening signature file %s\n",
	467	sigfile);
	468	ERR_print_errors(bio_err);
	469	goto end;
	470	}
	471	siglen = BIO_read(sigbio, sigbuf, siglen);
	472	BIO_free(sigbio);
688fbf54	473	if(siglen <= 0) {
7df1c720 DSH	474	BIO_printf(bio_err, "Error reading signature file %s\n",
	475	sigfile);
	476	ERR_print_errors(bio_err);
	477	goto end;
	478	}
	479	}
d02b48c6 RE	480	inp=BIO_push(bmd,in);
d02b48c6 RE	481
f03620ea DSH	482	if (md == NULL)
	483	{
	484	EVP_MD_CTX *tctx;
	485	BIO_get_md_ctx(bmd, &tctx);
	486	md = EVP_MD_CTX_md(tctx);
	487	}
	488
d02b48c6 RE	489	if (argc == 0)
	490	{
	491	BIO_set_fp(in,stdin,BIO_NOCLOSE);
d15711ef	492	err=do_fp(out, buf,inp,separator, out_bin, sigkey, sigbuf,
e77dbf32	493	siglen,NULL,NULL,"stdin",bmd);
d02b48c6 RE	494	}
	495	else
	496	{
9c54e18b DSH	497	const char md_name = NULL, sig_name = NULL;
9c54e18b DSH	498	if(!out_bin)
e77dbf32 DSH	499	{
	500	if (sigkey)
	501	{
	502	const EVP_PKEY_ASN1_METHOD *ameth;
	503	ameth = EVP_PKEY_get0_asn1(sigkey);
	504	if (ameth)
	505	EVP_PKEY_asn1_get0_info(NULL, NULL,
	506	NULL, NULL, &sig_name, ameth);
	507	}
	508	md_name = EVP_MD_name(md);
	509	}
9c54e18b	510	err = 0;
d02b48c6 RE	511	for (i=0; i<argc; i++)
d02b48c6 RE	512	{
d15711ef	513	int r;
d02b48c6 RE	514	if (BIO_read_filename(in,argv[i]) <= 0)
	515	{
	516	perror(argv[i]);
	517	err++;
	518	continue;
	519	}
d15711ef	520	else
d15711ef	521	r=do_fp(out,buf,inp,separator,out_bin,sigkey,sigbuf,
e77dbf32	522	siglen,sig_name,md_name, argv[i],bmd);
d15711ef BL	523	if(r)
d15711ef BL	524	err=r;
d58d092b	525	(void)BIO_reset(bmd);
d02b48c6 RE	526	}
	527	}
	528	end:
	529	if (buf != NULL)
	530	{
4579924b	531	OPENSSL_cleanse(buf,BUFSIZE);
26a3a48d	532	OPENSSL_free(buf);
d02b48c6 RE	533	}
d02b48c6 RE	534	if (in != NULL) BIO_free(in);
5b40d7dd DSH	535	if (passin)
5b40d7dd DSH	536	OPENSSL_free(passin);
645749ef	537	BIO_free_all(out);
7df1c720	538	EVP_PKEY_free(sigkey);
d952c79a DSH	539	if (sigopts)
d952c79a DSH	540	sk_free(sigopts);
2022cfe0 DSH	541	if (macopts)
2022cfe0 DSH	542	sk_free(macopts);
7df1c720	543	if(sigbuf) OPENSSL_free(sigbuf);
d02b48c6	544	if (bmd != NULL) BIO_free(bmd);
c04f8cf4	545	apps_shutdown();
1c3e4a36	546	OPENSSL_EXIT(err);
d02b48c6 RE	547	}
d02b48c6 RE	548
d15711ef	549	int do_fp(BIO out, unsigned char buf, BIO *bp, int sep, int binout,
e77dbf32 DSH	550	EVP_PKEY key, unsigned char sigin, int siglen,
e77dbf32 DSH	551	const char sig_name, const char md_name,
2022cfe0	552	const char file,BIO bmd)
d02b48c6	553	{
6ef18c21	554	size_t len;
d02b48c6	555	int i;
52cfa397	556
d02b48c6 RE	557	for (;;)
	558	{
	559	i=BIO_read(bp,(char *)buf,BUFSIZE);
d15711ef BL	560	if(i < 0)
	561	{
	562	BIO_printf(bio_err, "Read Error in %s\n",file);
	563	ERR_print_errors(bio_err);
	564	return 1;
	565	}
	566	if (i == 0) break;
d02b48c6	567	}
7df1c720 DSH	568	if(sigin)
	569	{
	570	EVP_MD_CTX *ctx;
	571	BIO_get_md_ctx(bp, &ctx);
d952c79a	572	i = EVP_DigestVerifyFinal(ctx, sigin, (unsigned int)siglen);
d15711ef BL	573	if(i > 0)
	574	BIO_printf(out, "Verified OK\n");
	575	else if(i == 0)
	576	{
	577	BIO_printf(out, "Verification Failure\n");
	578	return 1;
	579	}
7df1c720 DSH	580	else
	581	{
	582	BIO_printf(bio_err, "Error Verifying Data\n");
	583	ERR_print_errors(bio_err);
d15711ef	584	return 1;
7df1c720	585	}
d15711ef	586	return 0;
7df1c720 DSH	587	}
	588	if(key)
	589	{
	590	EVP_MD_CTX *ctx;
	591	BIO_get_md_ctx(bp, &ctx);
0f9e0abb	592	len = BUFSIZE;
6ef18c21	593	if(!EVP_DigestSignFinal(ctx, buf, &len))
7df1c720 DSH	594	{
	595	BIO_printf(bio_err, "Error Signing Data\n");
	596	ERR_print_errors(bio_err);
d15711ef	597	return 1;
7df1c720 DSH	598	}
	599	}
	600	else
	601	len=BIO_gets(bp,(char *)buf,BUFSIZE);
d02b48c6	602
7df1c720 DSH	603	if(binout) BIO_write(out, buf, len);
7df1c720 DSH	604	else
d02b48c6	605	{
e77dbf32	606	if (sig_name)
9c54e18b	607	BIO_printf(out, "%s-%s(%s)= ", sig_name, md_name, file);
e77dbf32	608	else if (md_name)
9c54e18b	609	BIO_printf(out, "%s(%s)= ", md_name, file);
e77dbf32	610	else
9c54e18b	611	BIO_printf(out, "(%s)= ", file);
5d5ca32f	612	for (i=0; i<(int)len; i++)
7df1c720 DSH	613	{
	614	if (sep && (i != 0))
	615	BIO_printf(out, ":");
	616	BIO_printf(out, "%02x",buf[i]);
	617	}
	618	BIO_printf(out, "\n");
d02b48c6	619	}
d15711ef	620	return 0;
d02b48c6 RE	621	}
d02b48c6 RE	622