https://github.com/openssl/openssl
Tip revision: 320a14cb5b12cbdd2ff4d81c1e9a2ea7a139a038 authored by Ralf S. Engelschall on 23 December 1998, 12:09:47 UTC
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Tip revision: 320a14c
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 "bio.h"
#include "err.h"
#include "evp.h"
#include "objects.h"
#include "x509.h"
#include "pem.h"
#undef BUFSIZE
#define BUFSIZE 1024*8
#undef PROG
#define PROG dgst_main
#ifndef NOPROTO
void do_fp(unsigned char *buf,BIO *f,int sep);
#else
void do_fp();
#endif
int MAIN(argc,argv)
int argc;
char **argv;
{
unsigned char *buf=NULL;
int i,err=0;
EVP_MD *md=NULL,*m;
BIO *in=NULL,*inp;
BIO *bmd=NULL;
char *name;
#define PROG_NAME_SIZE 16
char pname[PROG_NAME_SIZE];
int separator=0;
int debug=0;
apps_startup();
if ((buf=(unsigned char *)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++;
for (i=0; i<argc; i++)
{
if ((*argv)[0] != '-') break;
if (strcmp(*argv,"-c") == 0)
separator=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 ((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,"-%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_md2,LN_md2);
BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
LN_sha1,LN_sha1);
BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
LN_sha,LN_sha);
BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
LN_mdc2,LN_mdc2);
BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
LN_ripemd160,LN_ripemd160);
err=1;
goto end;
}
in=BIO_new(BIO_s_file());
bmd=BIO_new(BIO_f_md());
if (debug)
{
BIO_set_callback(in,BIO_debug_callback);
/* needed for windows 3.1 */
BIO_set_callback_arg(in,bio_err);
}
if ((in == NULL) || (bmd == NULL))
{
ERR_print_errors(bio_err);
goto end;
}
/* 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(buf,inp,separator);
}
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;
}
printf("%s(%s)= ",name,argv[i]);
do_fp(buf,inp,separator);
BIO_reset(bmd);
}
}
end:
if (buf != NULL)
{
memset(buf,0,BUFSIZE);
Free(buf);
}
if (in != NULL) BIO_free(in);
if (bmd != NULL) BIO_free(bmd);
EXIT(err);
}
void do_fp(buf,bp,sep)
unsigned char *buf;
BIO *bp;
int sep;
{
int len;
int i;
for (;;)
{
i=BIO_read(bp,(char *)buf,BUFSIZE);
if (i <= 0) break;
}
len=BIO_gets(bp,(char *)buf,BUFSIZE);
for (i=0; i<len; i++)
{
if (sep && (i != 0))
putc(':',stdout);
printf("%02x",buf[i]);
}
printf("\n");
}