c04f8cf44a
to go the monolith way (does anyone do that these days?). NOTE: a few applications are missing in this commit. I've a few more changes in them that I haven't tested yet.
405 lines
11 KiB
C
405 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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#include <openssl/engine.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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/* 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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