-/* ====================================================================
- * Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved.
- *
- * 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 above 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 acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * openssl-core@openssl.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED 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 OpenSSL PROJECT OR
- * ITS 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.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
- *
- */
-
-#include <openssl/opensslconf.h> /* for OPENSSL_NO_DH */
-#ifndef OPENSSL_NO_DH
-#include <stdio.h>
-#include <stdlib.h>
-#include <time.h>
-#include <string.h>
-#include "apps.h"
-#include <openssl/bio.h>
-#include <openssl/err.h>
-#include <openssl/bn.h>
-#include <openssl/dh.h>
-#include <openssl/x509.h>
-#include <openssl/pem.h>
-
-#ifndef OPENSSL_NO_DSA
-#include <openssl/dsa.h>
-#endif
-
-#undef PROG
-#define PROG dhparam_main
-
-#define DEFBITS 2048
-
-/*-
- * -inform arg - input format - default PEM (DER or PEM)
- * -outform arg - output format - default PEM
- * -in arg - input file - default stdin
- * -out arg - output file - default stdout
- * -dsaparam - read or generate DSA parameters, convert to DH
- * -check - check the parameters are ok
- * -noout
- * -text
- * -C
- */
-
-static int MS_CALLBACK dh_cb(int p, int n, BN_GENCB *cb);
-
-int MAIN(int, char **);
-
-int MAIN(int argc, char **argv)
- {
- DH *dh=NULL;
- int i,badops=0,text=0;
-#ifndef OPENSSL_NO_DSA
- int dsaparam=0;
-#endif
- BIO *in=NULL,*out=NULL;
- int informat,outformat,check=0,noout=0,C=0,ret=1;
- char *infile,*outfile,*prog;
- char *inrand=NULL;
-#ifndef OPENSSL_NO_ENGINE
- char *engine=NULL;
-#endif
- int num = 0, g = 0;
-
- apps_startup();
-
- 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;
-
- infile=NULL;
- outfile=NULL;
- informat=FORMAT_PEM;
- outformat=FORMAT_PEM;
-
- prog=argv[0];
- argc--;
- argv++;
- while (argc >= 1)
- {
- if (strcmp(*argv,"-inform") == 0)
- {
- if (--argc < 1) goto bad;
- informat=str2fmt(*(++argv));
- }
- else if (strcmp(*argv,"-outform") == 0)
- {
- if (--argc < 1) goto bad;
- outformat=str2fmt(*(++argv));
- }
- else if (strcmp(*argv,"-in") == 0)
- {
- if (--argc < 1) goto bad;
- infile= *(++argv);
- }
- else if (strcmp(*argv,"-out") == 0)
- {
- if (--argc < 1) goto bad;
- outfile= *(++argv);
- }
-#ifndef OPENSSL_NO_ENGINE
- else if (strcmp(*argv,"-engine") == 0)
- {
- if (--argc < 1) goto bad;
- engine= *(++argv);
- }
-#endif
- else if (strcmp(*argv,"-check") == 0)
- check=1;
- else if (strcmp(*argv,"-text") == 0)
- text=1;
-#ifndef OPENSSL_NO_DSA
- else if (strcmp(*argv,"-dsaparam") == 0)
- dsaparam=1;
-#endif
- else if (strcmp(*argv,"-C") == 0)
- C=1;
- else if (strcmp(*argv,"-noout") == 0)
- noout=1;
- else if (strcmp(*argv,"-2") == 0)
- g=2;
- else if (strcmp(*argv,"-5") == 0)
- g=5;
- else if (strcmp(*argv,"-rand") == 0)
- {
- if (--argc < 1) goto bad;
- inrand= *(++argv);
- }
- else if (((sscanf(*argv,"%d",&num) == 0) || (num <= 0)))
- goto bad;
- argv++;
- argc--;
- }
-
- if (badops)
- {
-bad:
- BIO_printf(bio_err,"%s [options] [numbits]\n",prog);
- BIO_printf(bio_err,"where options are\n");
- BIO_printf(bio_err," -inform arg input format - one of DER PEM\n");
- BIO_printf(bio_err," -outform arg output format - one of DER PEM\n");
- BIO_printf(bio_err," -in arg input file\n");
- BIO_printf(bio_err," -out arg output file\n");
-#ifndef OPENSSL_NO_DSA
- BIO_printf(bio_err," -dsaparam read or generate DSA parameters, convert to DH\n");
-#endif
- BIO_printf(bio_err," -check check the DH parameters\n");
- BIO_printf(bio_err," -text print a text form of the DH parameters\n");
- BIO_printf(bio_err," -C Output C code\n");
- BIO_printf(bio_err," -2 generate parameters using 2 as the generator value\n");
- BIO_printf(bio_err," -5 generate parameters using 5 as the generator value\n");
- BIO_printf(bio_err," numbits number of bits in to generate (default 2048)\n");
-#ifndef OPENSSL_NO_ENGINE
- BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n");
-#endif
- BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
- BIO_printf(bio_err," - load the file (or the files in the directory) into\n");
- BIO_printf(bio_err," the random number generator\n");
- BIO_printf(bio_err," -noout no output\n");
- goto end;
- }
-
- ERR_load_crypto_strings();
-
-#ifndef OPENSSL_NO_ENGINE
- setup_engine(bio_err, engine, 0);
-#endif