3647bee263
CONF_modules_unload() now calls CONF_modules_finish() automatically. Default use of section openssl_conf moved to CONF_modules_load() Load config file in several openssl utilities. Most utilities now load modules from the config file, though in a few (such as version) this isn't done because it couldn't be used for anything. In the case of ca and req the config file used is the same as the utility itself: that is the -config command line option can be used to specify an alternative file.
407 lines
11 KiB
C
407 lines
11 KiB
C
/* apps/dgst.c */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include "apps.h"
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#include <openssl/bio.h>
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#include <openssl/err.h>
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#include <openssl/evp.h>
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#include <openssl/objects.h>
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#include <openssl/x509.h>
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#include <openssl/pem.h>
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#undef BUFSIZE
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#define BUFSIZE 1024*8
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#undef PROG
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#define PROG dgst_main
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void do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout,
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EVP_PKEY *key, unsigned char *sigin, int siglen);
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int MAIN(int, char **);
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int MAIN(int argc, char **argv)
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{
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ENGINE *e = NULL;
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unsigned char *buf=NULL;
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int i,err=0;
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const EVP_MD *md=NULL,*m;
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BIO *in=NULL,*inp;
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BIO *bmd=NULL;
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BIO *out = NULL;
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const char *name;
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#define PROG_NAME_SIZE 16
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char pname[PROG_NAME_SIZE];
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int separator=0;
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int debug=0;
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int keyform=FORMAT_PEM;
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const char *outfile = NULL, *keyfile = NULL;
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const char *sigfile = NULL, *randfile = NULL;
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int out_bin = -1, want_pub = 0, do_verify = 0;
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EVP_PKEY *sigkey = NULL;
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unsigned char *sigbuf = NULL;
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int siglen = 0;
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char *engine=NULL;
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apps_startup();
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if ((buf=(unsigned char *)OPENSSL_malloc(BUFSIZE)) == NULL)
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{
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BIO_printf(bio_err,"out of memory\n");
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goto end;
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}
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if (bio_err == NULL)
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if ((bio_err=BIO_new(BIO_s_file())) != NULL)
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BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
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if (!load_config(bio_err, NULL))
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goto end;
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/* first check the program name */
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program_name(argv[0],pname,PROG_NAME_SIZE);
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md=EVP_get_digestbyname(pname);
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argc--;
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argv++;
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while (argc > 0)
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{
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if ((*argv)[0] != '-') break;
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if (strcmp(*argv,"-c") == 0)
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separator=1;
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else if (strcmp(*argv,"-rand") == 0)
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{
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if (--argc < 1) break;
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randfile=*(++argv);
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}
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else if (strcmp(*argv,"-out") == 0)
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{
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if (--argc < 1) break;
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outfile=*(++argv);
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}
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else if (strcmp(*argv,"-sign") == 0)
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{
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if (--argc < 1) break;
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keyfile=*(++argv);
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}
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else if (strcmp(*argv,"-verify") == 0)
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{
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if (--argc < 1) break;
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keyfile=*(++argv);
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want_pub = 1;
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do_verify = 1;
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}
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else if (strcmp(*argv,"-prverify") == 0)
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{
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if (--argc < 1) break;
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keyfile=*(++argv);
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do_verify = 1;
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}
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else if (strcmp(*argv,"-signature") == 0)
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{
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if (--argc < 1) break;
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sigfile=*(++argv);
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}
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else if (strcmp(*argv,"-keyform") == 0)
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{
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if (--argc < 1) break;
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keyform=str2fmt(*(++argv));
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}
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else if (strcmp(*argv,"-engine") == 0)
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{
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if (--argc < 1) break;
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engine= *(++argv);
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}
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else if (strcmp(*argv,"-hex") == 0)
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out_bin = 0;
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else if (strcmp(*argv,"-binary") == 0)
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out_bin = 1;
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else if (strcmp(*argv,"-d") == 0)
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debug=1;
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else if ((m=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
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md=m;
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else
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break;
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argc--;
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argv++;
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}
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if (md == NULL)
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md=EVP_md5();
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if(do_verify && !sigfile) {
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BIO_printf(bio_err, "No signature to verify: use the -signature option\n");
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err = 1;
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goto end;
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}
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if ((argc > 0) && (argv[0][0] == '-')) /* bad option */
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{
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BIO_printf(bio_err,"unknown option '%s'\n",*argv);
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BIO_printf(bio_err,"options are\n");
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BIO_printf(bio_err,"-c to output the digest with separating colons\n");
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BIO_printf(bio_err,"-d to output debug info\n");
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BIO_printf(bio_err,"-hex output as hex dump\n");
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BIO_printf(bio_err,"-binary output in binary form\n");
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BIO_printf(bio_err,"-sign file sign digest using private key in file\n");
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BIO_printf(bio_err,"-verify file verify a signature using public key in file\n");
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BIO_printf(bio_err,"-prverify file verify a signature using private key in file\n");
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BIO_printf(bio_err,"-keyform arg key file format (PEM or ENGINE)\n");
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BIO_printf(bio_err,"-signature file signature to verify\n");
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BIO_printf(bio_err,"-binary output in binary form\n");
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BIO_printf(bio_err,"-engine e use engine e, possibly a hardware device.\n");
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BIO_printf(bio_err,"-%3s to use the %s message digest algorithm (default)\n",
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LN_md5,LN_md5);
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BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
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LN_md4,LN_md4);
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BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
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LN_md2,LN_md2);
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BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
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LN_sha1,LN_sha1);
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BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
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LN_sha,LN_sha);
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BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
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LN_mdc2,LN_mdc2);
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BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
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LN_ripemd160,LN_ripemd160);
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err=1;
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goto end;
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}
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e = setup_engine(bio_err, engine, 0);
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in=BIO_new(BIO_s_file());
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bmd=BIO_new(BIO_f_md());
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if (debug)
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{
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BIO_set_callback(in,BIO_debug_callback);
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/* needed for windows 3.1 */
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BIO_set_callback_arg(in,bio_err);
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}
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if ((in == NULL) || (bmd == NULL))
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{
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ERR_print_errors(bio_err);
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goto end;
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}
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if(out_bin == -1) {
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if(keyfile) out_bin = 1;
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else out_bin = 0;
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}
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if(randfile)
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app_RAND_load_file(randfile, bio_err, 0);
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if(outfile) {
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if(out_bin)
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out = BIO_new_file(outfile, "wb");
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else out = BIO_new_file(outfile, "w");
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} else {
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out = BIO_new_fp(stdout, BIO_NOCLOSE);
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#ifdef OPENSSL_SYS_VMS
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{
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BIO *tmpbio = BIO_new(BIO_f_linebuffer());
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out = BIO_push(tmpbio, out);
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}
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#endif
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}
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if(!out) {
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BIO_printf(bio_err, "Error opening output file %s\n",
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outfile ? outfile : "(stdout)");
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ERR_print_errors(bio_err);
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goto end;
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}
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if(keyfile)
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{
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if (want_pub)
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sigkey = load_pubkey(bio_err, keyfile, keyform, NULL,
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e, "key file");
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else
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sigkey = load_key(bio_err, keyfile, keyform, NULL,
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e, "key file");
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if (!sigkey)
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{
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/* load_[pub]key() has already printed an appropriate
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message */
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goto end;
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}
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}
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if(sigfile && sigkey) {
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BIO *sigbio;
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sigbio = BIO_new_file(sigfile, "rb");
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siglen = EVP_PKEY_size(sigkey);
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sigbuf = OPENSSL_malloc(siglen);
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if(!sigbio) {
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BIO_printf(bio_err, "Error opening signature file %s\n",
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sigfile);
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ERR_print_errors(bio_err);
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goto end;
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}
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siglen = BIO_read(sigbio, sigbuf, siglen);
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BIO_free(sigbio);
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if(siglen <= 0) {
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BIO_printf(bio_err, "Error reading signature file %s\n",
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sigfile);
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ERR_print_errors(bio_err);
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goto end;
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}
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}
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/* we use md as a filter, reading from 'in' */
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BIO_set_md(bmd,md);
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inp=BIO_push(bmd,in);
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if (argc == 0)
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{
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BIO_set_fp(in,stdin,BIO_NOCLOSE);
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do_fp(out, buf,inp,separator, out_bin, sigkey, sigbuf, siglen);
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}
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else
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{
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name=OBJ_nid2sn(md->type);
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for (i=0; i<argc; i++)
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{
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if (BIO_read_filename(in,argv[i]) <= 0)
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{
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perror(argv[i]);
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err++;
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continue;
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}
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if(!out_bin) BIO_printf(out, "%s(%s)= ",name,argv[i]);
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do_fp(out, buf,inp,separator, out_bin, sigkey,
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sigbuf, siglen);
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(void)BIO_reset(bmd);
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}
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}
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end:
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if (buf != NULL)
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{
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memset(buf,0,BUFSIZE);
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OPENSSL_free(buf);
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}
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if (in != NULL) BIO_free(in);
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BIO_free_all(out);
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EVP_PKEY_free(sigkey);
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if(sigbuf) OPENSSL_free(sigbuf);
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if (bmd != NULL) BIO_free(bmd);
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apps_shutdown();
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EXIT(err);
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}
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void do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout,
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EVP_PKEY *key, unsigned char *sigin, int siglen)
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{
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int len;
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int i;
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for (;;)
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{
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i=BIO_read(bp,(char *)buf,BUFSIZE);
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if (i <= 0) break;
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}
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if(sigin)
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{
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EVP_MD_CTX *ctx;
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BIO_get_md_ctx(bp, &ctx);
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i = EVP_VerifyFinal(ctx, sigin, (unsigned int)siglen, key);
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if(i > 0) BIO_printf(out, "Verified OK\n");
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else if(i == 0) BIO_printf(out, "Verification Failure\n");
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else
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{
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BIO_printf(bio_err, "Error Verifying Data\n");
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ERR_print_errors(bio_err);
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}
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return;
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}
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if(key)
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{
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EVP_MD_CTX *ctx;
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BIO_get_md_ctx(bp, &ctx);
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if(!EVP_SignFinal(ctx, buf, (unsigned int *)&len, key))
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{
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BIO_printf(bio_err, "Error Signing Data\n");
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ERR_print_errors(bio_err);
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return;
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}
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}
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else
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len=BIO_gets(bp,(char *)buf,BUFSIZE);
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if(binout) BIO_write(out, buf, len);
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else
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{
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for (i=0; i<len; i++)
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{
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if (sep && (i != 0))
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BIO_printf(out, ":");
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BIO_printf(out, "%02x",buf[i]);
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}
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BIO_printf(out, "\n");
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}
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}
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