[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 *title,
	  const char *file,BIO *bmd,const char *hmac_key, int non_fips_allow);

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;
	const char *name;
#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;
	unsigned int sig_flags = 0;
	char *passargin = NULL, *passin = NULL;
#ifndef OPENSSL_NO_ENGINE
	char *engine=NULL;
#endif
	char *hmac_key=NULL;
	int non_fips_allow = 0;

	apps_startup();
ERR_load_crypto_strings();
	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,"-x931") == 0)
			sig_flags = EVP_MD_CTX_FLAG_PAD_X931;
		else if (strcmp(*argv,"-pss_saltlen") == 0)
			{
			int saltlen;
			if (--argc < 1) break;
			saltlen=atoi(*(++argv));
			if (saltlen == -1)
				sig_flags = EVP_MD_CTX_FLAG_PSS_MREC;
			else if (saltlen == -2)
				sig_flags = EVP_MD_CTX_FLAG_PSS_MDLEN;
			else if (saltlen < -2 || saltlen >= 0xFFFE)
				{
				BIO_printf(bio_err, "Invalid PSS salt length %d\n", saltlen);
				goto end;
				}
			else
				sig_flags = saltlen;
			sig_flags <<= 16;
			sig_flags |= EVP_MD_CTX_FLAG_PAD_PSS;
			}
		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);
			}
#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,"-non-fips-allow") == 0)
			non_fips_allow=1;
		else if (!strcmp(*argv,"-fips-fingerprint"))
			hmac_key = "etaonrishdlcupfm";
		else if (!strcmp(*argv,"-hmac"))
			{
			if (--argc < 1)
				break;
			hmac_key=*++argv;
			}
		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,"-hmac key       create hashed MAC with key\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);
		BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
			LN_sha,LN_sha);
#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);
		err=1;
		goto end;
		}

#ifndef OPENSSL_NO_ENGINE
        e = setup_engine(bio_err, engine, 0);
#endif

	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(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(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;
		}
	}

	if (non_fips_allow)
		{
		EVP_MD_CTX *md_ctx;
		BIO_get_md_ctx(bmd,&md_ctx);
		EVP_MD_CTX_set_flags(md_ctx, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW);
		}

	if (sig_flags)
		{
		EVP_MD_CTX *md_ctx;
		BIO_get_md_ctx(bmd,&md_ctx);
		EVP_MD_CTX_set_flags(md_ctx, sig_flags);
		}

	/* we use md as a filter, reading from 'in' */
	if (!BIO_set_md(bmd,md))
		{
		BIO_printf(bio_err, "Error setting digest %s\n", pname);
		ERR_print_errors(bio_err);
		goto end;
		}
		
	inp=BIO_push(bmd,in);

	if (argc == 0)
		{
		BIO_set_fp(in,stdin,BIO_NOCLOSE);
		err=do_fp(out, buf,inp,separator, out_bin, sigkey, sigbuf,
			  siglen,"","(stdin)",bmd,hmac_key,non_fips_allow);
		}
	else
		{
		name=OBJ_nid2sn(md->type);
		err = 0;
		for (i=0; i<argc; i++)
			{
			char *tmp,*tofree=NULL;
			int r;

			if (BIO_read_filename(in,argv[i]) <= 0)
				{
				perror(argv[i]);
				err++;
				continue;
				}
			if(!out_bin)
				{
				size_t len = strlen(name)+strlen(argv[i])+(hmac_key ? 5 : 0)+5;
				tmp=tofree=OPENSSL_malloc(len);
				BIO_snprintf(tmp,len,"%s%s(%s)= ",
							 hmac_key ? "HMAC-" : "",name,argv[i]);
				}
			else
				tmp="";
			r=do_fp(out,buf,inp,separator,out_bin,sigkey,sigbuf,
				siglen,tmp,argv[i],bmd,hmac_key,non_fips_allow);
			if(r)
			    err=r;
			if(tofree)
				OPENSSL_free(tofree);
			(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(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 *title,
	  const char *file,BIO *bmd,const char *hmac_key,int non_fips_allow)
	{
	unsigned int len;
	int i;
	EVP_MD_CTX *md_ctx;
	HMAC_CTX hmac_ctx;

	if (hmac_key)
		{
		EVP_MD *md;

		BIO_get_md(bmd,&md);
		HMAC_CTX_init(&hmac_ctx);
		HMAC_Init_ex(&hmac_ctx,hmac_key,strlen(hmac_key),md, NULL);
		BIO_get_md_ctx(bmd,&md_ctx);
		BIO_set_md_ctx(bmd,&hmac_ctx.md_ctx);
		}
	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_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");
			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);
		if(!EVP_SignFinal(ctx, buf, (unsigned int *)&len, key)) 
			{
			BIO_printf(bio_err, "Error Signing Data\n");
			ERR_print_errors(bio_err);
			return 1;
			}
		}
	else if(hmac_key)
		{
		HMAC_Final(&hmac_ctx,buf,&len);
		HMAC_CTX_cleanup(&hmac_ctx);
		}
	else
		len=BIO_gets(bp,(char *)buf,BUFSIZE);

	if(binout) BIO_write(out, buf, len);
	else 
		{
		BIO_write(out,title,strlen(title));
		for (i=0; i<(int)len; i++)
			{
			if (sep && (i != 0))
				BIO_printf(out, ":");
			BIO_printf(out, "%02x",buf[i]);
			}
		BIO_printf(out, "\n");
		}
	if (hmac_key)
		{
		BIO_set_md_ctx(bmd,md_ctx);
		}
	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>
594c723f	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 BL	77	int do_fp(BIO out, unsigned char buf, BIO *bp, int sep, int binout,
d15711ef BL	78	EVP_PKEY key, unsigned char sigin, int siglen, const char *title,
3fa1a444	79	const char file,BIO bmd,const char *hmac_key, int non_fips_allow);
667ac4ec RE	80
	81	int MAIN(int, char **);
	82
6b691a5c	83	int MAIN(int argc, char **argv)
d02b48c6	84	{
5270e702	85	ENGINE *e = NULL;
d02b48c6	86	unsigned char *buf=NULL;
b6c2bffb	87	int i,err=1;
e778802f	88	const EVP_MD md=NULL,m;
d02b48c6 RE	89	BIO in=NULL,inp;
d02b48c6 RE	90	BIO *bmd=NULL;
7df1c720	91	BIO *out = NULL;
e778802f	92	const char *name;
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;
3fa1a444	104	unsigned int sig_flags = 0;
5b40d7dd	105	char passargin = NULL, passin = NULL;
0b13e9f0	106	#ifndef OPENSSL_NO_ENGINE
5270e702	107	char *engine=NULL;
0b13e9f0	108	#endif
594c723f	109	char *hmac_key=NULL;
3fa1a444	110	int non_fips_allow = 0;
d02b48c6 RE	111
d02b48c6 RE	112	apps_startup();
3fa1a444	113	ERR_load_crypto_strings();
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	}
3fa1a444 DSH	172	else if (strcmp(*argv,"-x931") == 0)
	173	sig_flags = EVP_MD_CTX_FLAG_PAD_X931;
	174	else if (strcmp(*argv,"-pss_saltlen") == 0)
	175	{
	176	int saltlen;
	177	if (--argc < 1) break;
	178	saltlen=atoi(*(++argv));
	179	if (saltlen == -1)
	180	sig_flags = EVP_MD_CTX_FLAG_PSS_MREC;
	181	else if (saltlen == -2)
	182	sig_flags = EVP_MD_CTX_FLAG_PSS_MDLEN;
	183	else if (saltlen < -2 \|\| saltlen >= 0xFFFE)
	184	{
	185	BIO_printf(bio_err, "Invalid PSS salt length %d\n", saltlen);
	186	goto end;
	187	}
	188	else
	189	sig_flags = saltlen;
	190	sig_flags <<= 16;
	191	sig_flags \|= EVP_MD_CTX_FLAG_PAD_PSS;
	192	}
7df1c720 DSH	193	else if (strcmp(*argv,"-signature") == 0)
	194	{
	195	if (--argc < 1) break;
	196	sigfile=*(++argv);
	197	}
32d862ed RL	198	else if (strcmp(*argv,"-keyform") == 0)
	199	{
	200	if (--argc < 1) break;
	201	keyform=str2fmt(*(++argv));
	202	}
0b13e9f0	203	#ifndef OPENSSL_NO_ENGINE
5270e702 RL	204	else if (strcmp(*argv,"-engine") == 0)
	205	{
	206	if (--argc < 1) break;
	207	engine= *(++argv);
	208	}
0b13e9f0	209	#endif
7df1c720 DSH	210	else if (strcmp(*argv,"-hex") == 0)
	211	out_bin = 0;
	212	else if (strcmp(*argv,"-binary") == 0)
	213	out_bin = 1;
d02b48c6 RE	214	else if (strcmp(*argv,"-d") == 0)
d02b48c6 RE	215	debug=1;
3fa1a444 DSH	216	else if (strcmp(*argv,"-non-fips-allow") == 0)
3fa1a444 DSH	217	non_fips_allow=1;
fe01f90a DSH	218	else if (!strcmp(*argv,"-fips-fingerprint"))
fe01f90a DSH	219	hmac_key = "etaonrishdlcupfm";
594c723f DSH	220	else if (!strcmp(*argv,"-hmac"))
	221	{
	222	if (--argc < 1)
	223	break;
	224	hmac_key=*++argv;
	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
	234	if (md == NULL)
	235	md=EVP_md5();
	236
7df1c720 DSH	237	if(do_verify && !sigfile) {
	238	BIO_printf(bio_err, "No signature to verify: use the -signature option\n");
	239	err = 1;
	240	goto end;
	241	}
	242
d02b48c6 RE	243	if ((argc > 0) && (argv[0][0] == '-')) /* bad option */
	244	{
	245	BIO_printf(bio_err,"unknown option '%s'\n",*argv);
	246	BIO_printf(bio_err,"options are\n");
7df1c720 DSH	247	BIO_printf(bio_err,"-c to output the digest with separating colons\n");
	248	BIO_printf(bio_err,"-d to output debug info\n");
	249	BIO_printf(bio_err,"-hex output as hex dump\n");
	250	BIO_printf(bio_err,"-binary output in binary form\n");
	251	BIO_printf(bio_err,"-sign file sign digest using private key in file\n");
	252	BIO_printf(bio_err,"-verify file verify a signature using public key in file\n");
	253	BIO_printf(bio_err,"-prverify file verify a signature using private key in file\n");
32d862ed	254	BIO_printf(bio_err,"-keyform arg key file format (PEM or ENGINE)\n");
7df1c720 DSH	255	BIO_printf(bio_err,"-signature file signature to verify\n");
7df1c720 DSH	256	BIO_printf(bio_err,"-binary output in binary form\n");
d13ea8e1	257	BIO_printf(bio_err,"-hmac key create hashed MAC with key\n");
0b13e9f0	258	#ifndef OPENSSL_NO_ENGINE
5270e702	259	BIO_printf(bio_err,"-engine e use engine e, possibly a hardware device.\n");
0b13e9f0	260	#endif
7df1c720	261
22e6c73d	262	BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm (default)\n",
d02b48c6	263	LN_md5,LN_md5);
22e6c73d	264	BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
3009458e	265	LN_md4,LN_md4);
22e6c73d	266	BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
d02b48c6	267	LN_md2,LN_md2);
c88f8f76	268	#ifndef OPENSSL_NO_SHA
22e6c73d	269	BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
d02b48c6	270	LN_sha1,LN_sha1);
22e6c73d	271	BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
d02b48c6	272	LN_sha,LN_sha);
c88f8f76	273	#ifndef OPENSSL_NO_SHA256
22e6c73d AP	274	BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
	275	LN_sha224,LN_sha224);
	276	BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
c88f8f76 AP	277	LN_sha256,LN_sha256);
	278	#endif
	279	#ifndef OPENSSL_NO_SHA512
22e6c73d AP	280	BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
	281	LN_sha384,LN_sha384);
	282	BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
c88f8f76 AP	283	LN_sha512,LN_sha512);
	284	#endif
	285	#endif
22e6c73d	286	BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
d02b48c6	287	LN_mdc2,LN_mdc2);
22e6c73d	288	BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
dfeab068	289	LN_ripemd160,LN_ripemd160);
d02b48c6 RE	290	err=1;
	291	goto end;
	292	}
7df1c720	293
0b13e9f0	294	#ifndef OPENSSL_NO_ENGINE
531d630b	295	e = setup_engine(bio_err, engine, 0);
0b13e9f0	296	#endif
5270e702	297
d02b48c6 RE	298	in=BIO_new(BIO_s_file());
	299	bmd=BIO_new(BIO_f_md());
	300	if (debug)
	301	{
	302	BIO_set_callback(in,BIO_debug_callback);
	303	/* needed for windows 3.1 */
d4a62400	304	BIO_set_callback_arg(in,(char *)bio_err);
d02b48c6 RE	305	}
d02b48c6 RE	306
5b40d7dd DSH	307	if(!app_passwd(bio_err, passargin, NULL, &passin, NULL))
	308	{
	309	BIO_printf(bio_err, "Error getting password\n");
	310	goto end;
	311	}
	312
d02b48c6 RE	313	if ((in == NULL) \|\| (bmd == NULL))
	314	{
	315	ERR_print_errors(bio_err);
	316	goto end;
	317	}
	318
7df1c720 DSH	319	if(out_bin == -1) {
	320	if(keyfile) out_bin = 1;
	321	else out_bin = 0;
	322	}
	323
	324	if(randfile)
	325	app_RAND_load_file(randfile, bio_err, 0);
	326
	327	if(outfile) {
	328	if(out_bin)
	329	out = BIO_new_file(outfile, "wb");
	330	else out = BIO_new_file(outfile, "w");
645749ef RL	331	} else {
645749ef RL	332	out = BIO_new_fp(stdout, BIO_NOCLOSE);
bc36ee62	333	#ifdef OPENSSL_SYS_VMS
645749ef RL	334	{
	335	BIO *tmpbio = BIO_new(BIO_f_linebuffer());
	336	out = BIO_push(tmpbio, out);
	337	}
	338	#endif
	339	}
7df1c720 DSH	340
	341	if(!out) {
	342	BIO_printf(bio_err, "Error opening output file %s\n",
	343	outfile ? outfile : "(stdout)");
	344	ERR_print_errors(bio_err);
	345	goto end;
	346	}
	347
32d862ed RL	348	if(keyfile)
32d862ed RL	349	{
30b4c272	350	if (want_pub)
da9b9724	351	sigkey = load_pubkey(bio_err, keyfile, keyform, 0, NULL,
30b4c272	352	e, "key file");
32d862ed	353	else
5b40d7dd	354	sigkey = load_key(bio_err, keyfile, keyform, 0, passin,
30b4c272 RL	355	e, "key file");
30b4c272 RL	356	if (!sigkey)
32d862ed	357	{
30b4c272 RL	358	/* load_[pub]key() has already printed an appropriate
30b4c272 RL	359	message */
7df1c720	360	goto end;
32d862ed	361	}
7df1c720	362	}
7df1c720 DSH	363
	364	if(sigfile && sigkey) {
	365	BIO *sigbio;
	366	sigbio = BIO_new_file(sigfile, "rb");
	367	siglen = EVP_PKEY_size(sigkey);
	368	sigbuf = OPENSSL_malloc(siglen);
	369	if(!sigbio) {
	370	BIO_printf(bio_err, "Error opening signature file %s\n",
	371	sigfile);
	372	ERR_print_errors(bio_err);
	373	goto end;
	374	}
	375	siglen = BIO_read(sigbio, sigbuf, siglen);
	376	BIO_free(sigbio);
688fbf54	377	if(siglen <= 0) {
7df1c720 DSH	378	BIO_printf(bio_err, "Error reading signature file %s\n",
	379	sigfile);
	380	ERR_print_errors(bio_err);
	381	goto end;
	382	}
	383	}
7df1c720	384
3fa1a444 DSH	385	if (non_fips_allow)
	386	{
	387	EVP_MD_CTX *md_ctx;
	388	BIO_get_md_ctx(bmd,&md_ctx);
	389	EVP_MD_CTX_set_flags(md_ctx, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW);
	390	}
	391
	392	if (sig_flags)
	393	{
	394	EVP_MD_CTX *md_ctx;
	395	BIO_get_md_ctx(bmd,&md_ctx);
	396	EVP_MD_CTX_set_flags(md_ctx, sig_flags);
	397	}
7df1c720	398
d02b48c6	399	/* we use md as a filter, reading from 'in' */
c128bb0f DSH	400	if (!BIO_set_md(bmd,md))
	401	{
	402	BIO_printf(bio_err, "Error setting digest %s\n", pname);
	403	ERR_print_errors(bio_err);
	404	goto end;
	405	}
	406
d02b48c6 RE	407	inp=BIO_push(bmd,in);
	408
	409	if (argc == 0)
	410	{
	411	BIO_set_fp(in,stdin,BIO_NOCLOSE);
d15711ef	412	err=do_fp(out, buf,inp,separator, out_bin, sigkey, sigbuf,
3fa1a444	413	siglen,"","(stdin)",bmd,hmac_key,non_fips_allow);
d02b48c6 RE	414	}
	415	else
	416	{
	417	name=OBJ_nid2sn(md->type);
b6c2bffb	418	err = 0;
d02b48c6 RE	419	for (i=0; i<argc; i++)
d02b48c6 RE	420	{
d15711ef BL	421	char tmp,tofree=NULL;
	422	int r;
	423
d02b48c6 RE	424	if (BIO_read_filename(in,argv[i]) <= 0)
	425	{
	426	perror(argv[i]);
	427	err++;
	428	continue;
	429	}
d15711ef BL	430	if(!out_bin)
d15711ef BL	431	{
594c723f	432	size_t len = strlen(name)+strlen(argv[i])+(hmac_key ? 5 : 0)+5;
d420ac2c	433	tmp=tofree=OPENSSL_malloc(len);
594c723f DSH	434	BIO_snprintf(tmp,len,"%s%s(%s)= ",
594c723f DSH	435	hmac_key ? "HMAC-" : "",name,argv[i]);
d15711ef BL	436	}
	437	else
	438	tmp="";
	439	r=do_fp(out,buf,inp,separator,out_bin,sigkey,sigbuf,
3fa1a444	440	siglen,tmp,argv[i],bmd,hmac_key,non_fips_allow);
d15711ef BL	441	if(r)
	442	err=r;
	443	if(tofree)
	444	OPENSSL_free(tofree);
d58d092b	445	(void)BIO_reset(bmd);
d02b48c6 RE	446	}
	447	}
	448	end:
	449	if (buf != NULL)
	450	{
4579924b	451	OPENSSL_cleanse(buf,BUFSIZE);
26a3a48d	452	OPENSSL_free(buf);
d02b48c6 RE	453	}
d02b48c6 RE	454	if (in != NULL) BIO_free(in);
5b40d7dd DSH	455	if (passin)
5b40d7dd DSH	456	OPENSSL_free(passin);
645749ef	457	BIO_free_all(out);
7df1c720 DSH	458	EVP_PKEY_free(sigkey);
7df1c720 DSH	459	if(sigbuf) OPENSSL_free(sigbuf);
d02b48c6	460	if (bmd != NULL) BIO_free(bmd);
c04f8cf4	461	apps_shutdown();
1c3e4a36	462	OPENSSL_EXIT(err);
d02b48c6 RE	463	}
d02b48c6 RE	464
d15711ef BL	465	int do_fp(BIO out, unsigned char buf, BIO *bp, int sep, int binout,
d15711ef BL	466	EVP_PKEY key, unsigned char sigin, int siglen, const char *title,
3fa1a444	467	const char file,BIO bmd,const char *hmac_key,int non_fips_allow)
d02b48c6	468	{
594c723f	469	unsigned int len;
d02b48c6	470	int i;
594c723f DSH	471	EVP_MD_CTX *md_ctx;
	472	HMAC_CTX hmac_ctx;
	473
	474	if (hmac_key)
	475	{
	476	EVP_MD *md;
d02b48c6	477
594c723f DSH	478	BIO_get_md(bmd,&md);
	479	HMAC_CTX_init(&hmac_ctx);
	480	HMAC_Init_ex(&hmac_ctx,hmac_key,strlen(hmac_key),md, NULL);
	481	BIO_get_md_ctx(bmd,&md_ctx);
	482	BIO_set_md_ctx(bmd,&hmac_ctx.md_ctx);
	483	}
d02b48c6 RE	484	for (;;)
	485	{
	486	i=BIO_read(bp,(char *)buf,BUFSIZE);
d15711ef BL	487	if(i < 0)
	488	{
	489	BIO_printf(bio_err, "Read Error in %s\n",file);
	490	ERR_print_errors(bio_err);
	491	return 1;
	492	}
	493	if (i == 0) break;
d02b48c6	494	}
7df1c720 DSH	495	if(sigin)
	496	{
	497	EVP_MD_CTX *ctx;
	498	BIO_get_md_ctx(bp, &ctx);
688fbf54	499	i = EVP_VerifyFinal(ctx, sigin, (unsigned int)siglen, key);
d15711ef BL	500	if(i > 0)
	501	BIO_printf(out, "Verified OK\n");
	502	else if(i == 0)
	503	{
	504	BIO_printf(out, "Verification Failure\n");
	505	return 1;
	506	}
7df1c720 DSH	507	else
	508	{
	509	BIO_printf(bio_err, "Error Verifying Data\n");
	510	ERR_print_errors(bio_err);
d15711ef	511	return 1;
7df1c720	512	}
d15711ef	513	return 0;
7df1c720 DSH	514	}
	515	if(key)
	516	{
	517	EVP_MD_CTX *ctx;
	518	BIO_get_md_ctx(bp, &ctx);
	519	if(!EVP_SignFinal(ctx, buf, (unsigned int *)&len, key))
	520	{
	521	BIO_printf(bio_err, "Error Signing Data\n");
	522	ERR_print_errors(bio_err);
d15711ef	523	return 1;
7df1c720 DSH	524	}
7df1c720 DSH	525	}
594c723f DSH	526	else if(hmac_key)
	527	{
	528	HMAC_Final(&hmac_ctx,buf,&len);
	529	HMAC_CTX_cleanup(&hmac_ctx);
	530	}
7df1c720 DSH	531	else
7df1c720 DSH	532	len=BIO_gets(bp,(char *)buf,BUFSIZE);
d02b48c6	533
7df1c720 DSH	534	if(binout) BIO_write(out, buf, len);
7df1c720 DSH	535	else
d02b48c6	536	{
d15711ef	537	BIO_write(out,title,strlen(title));
d1049ad9	538	for (i=0; i<(int)len; i++)
7df1c720 DSH	539	{
	540	if (sep && (i != 0))
	541	BIO_printf(out, ":");
	542	BIO_printf(out, "%02x",buf[i]);
	543	}
	544	BIO_printf(out, "\n");
d02b48c6	545	}
594c723f DSH	546	if (hmac_key)
	547	{
	548	BIO_set_md_ctx(bmd,md_ctx);
	549	}
d15711ef	550	return 0;
d02b48c6 RE	551	}
d02b48c6 RE	552