summaryrefslogtreecommitdiff
path: root/openssl/apps/dhparam.c
diff options
context:
space:
mode:
Diffstat (limited to 'openssl/apps/dhparam.c')
-rw-r--r--openssl/apps/dhparam.c560
1 files changed, 0 insertions, 560 deletions
diff --git a/openssl/apps/dhparam.c b/openssl/apps/dhparam.c
deleted file mode 100644
index b47097cb..00000000
--- a/openssl/apps/dhparam.c
+++ /dev/null
@@ -1,560 +0,0 @@
-/* apps/dhparam.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.]
- */
-/* ====================================================================
- * 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 512
-
-/* -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 512)\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
-
- if (g && !num)
- num = DEFBITS;
-
-#ifndef OPENSSL_NO_DSA
- if (dsaparam)
- {
- if (g)
- {
- BIO_printf(bio_err, "generator may not be chosen for DSA parameters\n");
- goto end;
- }
- }
- else
-#endif
- {
- /* DH parameters */
- if (num && !g)
- g = 2;
- }
-
- if(num) {
-
- BN_GENCB cb;
- BN_GENCB_set(&cb, dh_cb, bio_err);
- if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL)
- {
- BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
- }
- if (inrand != NULL)
- BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
- app_RAND_load_files(inrand));
-
-#ifndef OPENSSL_NO_DSA
- if (dsaparam)
- {
- DSA *dsa = DSA_new();
-
- BIO_printf(bio_err,"Generating DSA parameters, %d bit long prime\n",num);
- if(!dsa || !DSA_generate_parameters_ex(dsa, num,
- NULL, 0, NULL, NULL, &cb))
- {
- if(dsa) DSA_free(dsa);
- ERR_print_errors(bio_err);
- goto end;
- }
-
- dh = DSA_dup_DH(dsa);
- DSA_free(dsa);
- if (dh == NULL)
- {
- ERR_print_errors(bio_err);
- goto end;
- }
- }
- else
-#endif
- {
- dh = DH_new();
- BIO_printf(bio_err,"Generating DH parameters, %d bit long safe prime, generator %d\n",num,g);
- BIO_printf(bio_err,"This is going to take a long time\n");
- if(!dh || !DH_generate_parameters_ex(dh, num, g, &cb))
- {
- if(dh) DH_free(dh);
- ERR_print_errors(bio_err);
- goto end;
- }
- }
-
- app_RAND_write_file(NULL, bio_err);
- } else {
-
- in=BIO_new(BIO_s_file());
- if (in == NULL)
- {
- ERR_print_errors(bio_err);
- goto end;
- }
- if (infile == NULL)
- BIO_set_fp(in,stdin,BIO_NOCLOSE);
- else
- {
- if (BIO_read_filename(in,infile) <= 0)
- {
- perror(infile);
- goto end;
- }
- }
-
- if (informat != FORMAT_ASN1 && informat != FORMAT_PEM)
- {
- BIO_printf(bio_err,"bad input format specified\n");
- goto end;
- }
-
-#ifndef OPENSSL_NO_DSA
- if (dsaparam)
- {
- DSA *dsa;
-
- if (informat == FORMAT_ASN1)
- dsa=d2i_DSAparams_bio(in,NULL);
- else /* informat == FORMAT_PEM */
- dsa=PEM_read_bio_DSAparams(in,NULL,NULL,NULL);
-
- if (dsa == NULL)
- {
- BIO_printf(bio_err,"unable to load DSA parameters\n");
- ERR_print_errors(bio_err);
- goto end;
- }
-
- dh = DSA_dup_DH(dsa);
- DSA_free(dsa);
- if (dh == NULL)
- {
- ERR_print_errors(bio_err);
- goto end;
- }
- }
- else
-#endif
- {
- if (informat == FORMAT_ASN1)
- dh=d2i_DHparams_bio(in,NULL);
- else /* informat == FORMAT_PEM */
- dh=PEM_read_bio_DHparams(in,NULL,NULL,NULL);
-
- if (dh == NULL)
- {
- BIO_printf(bio_err,"unable to load DH parameters\n");
- ERR_print_errors(bio_err);
- goto end;
- }
- }
-
- /* dh != NULL */
- }
-
- out=BIO_new(BIO_s_file());
- if (out == NULL)
- {
- ERR_print_errors(bio_err);
- goto end;
- }
- if (outfile == NULL)
- {
- BIO_set_fp(out,stdout,BIO_NOCLOSE);
-#ifdef OPENSSL_SYS_VMS
- {
- BIO *tmpbio = BIO_new(BIO_f_linebuffer());
- out = BIO_push(tmpbio, out);
- }
-#endif
- }
- else
- {
- if (BIO_write_filename(out,outfile) <= 0)
- {
- perror(outfile);
- goto end;
- }
- }
-
-
- if (text)
- {
- DHparams_print(out,dh);
- }
-
- if (check)
- {
- if (!DH_check(dh,&i))
- {
- ERR_print_errors(bio_err);
- goto end;
- }
- if (i & DH_CHECK_P_NOT_PRIME)
- printf("p value is not prime\n");
- if (i & DH_CHECK_P_NOT_SAFE_PRIME)
- printf("p value is not a safe prime\n");
- if (i & DH_UNABLE_TO_CHECK_GENERATOR)
- printf("unable to check the generator value\n");
- if (i & DH_NOT_SUITABLE_GENERATOR)
- printf("the g value is not a generator\n");
- if (i == 0)
- printf("DH parameters appear to be ok.\n");
- }
- if (C)
- {
- unsigned char *data;
- int len,l,bits;
-
- len=BN_num_bytes(dh->p);
- bits=BN_num_bits(dh->p);
- data=(unsigned char *)OPENSSL_malloc(len);
- if (data == NULL)
- {
- perror("OPENSSL_malloc");
- goto end;
- }
- printf("#ifndef HEADER_DH_H\n"
- "#include <openssl/dh.h>\n"
- "#endif\n");
- printf("DH *get_dh%d()\n\t{\n",bits);
-
- l=BN_bn2bin(dh->p,data);
- printf("\tstatic unsigned char dh%d_p[]={",bits);
- for (i=0; i<l; i++)
- {
- if ((i%12) == 0) printf("\n\t\t");
- printf("0x%02X,",data[i]);
- }
- printf("\n\t\t};\n");
-
- l=BN_bn2bin(dh->g,data);
- printf("\tstatic unsigned char dh%d_g[]={",bits);
- for (i=0; i<l; i++)
- {
- if ((i%12) == 0) printf("\n\t\t");
- printf("0x%02X,",data[i]);
- }
- printf("\n\t\t};\n");
-
- printf("\tDH *dh;\n\n");
- printf("\tif ((dh=DH_new()) == NULL) return(NULL);\n");
- printf("\tdh->p=BN_bin2bn(dh%d_p,sizeof(dh%d_p),NULL);\n",
- bits,bits);
- printf("\tdh->g=BN_bin2bn(dh%d_g,sizeof(dh%d_g),NULL);\n",
- bits,bits);
- printf("\tif ((dh->p == NULL) || (dh->g == NULL))\n");
- printf("\t\t{ DH_free(dh); return(NULL); }\n");
- if (dh->length)
- printf("\tdh->length = %ld;\n", dh->length);
- printf("\treturn(dh);\n\t}\n");
- OPENSSL_free(data);
- }
-
-
- if (!noout)
- {
- if (outformat == FORMAT_ASN1)
- i=i2d_DHparams_bio(out,dh);
- else if (outformat == FORMAT_PEM)
- i=PEM_write_bio_DHparams(out,dh);
- else {
- BIO_printf(bio_err,"bad output format specified for outfile\n");
- goto end;
- }
- if (!i)
- {
- BIO_printf(bio_err,"unable to write DH parameters\n");
- ERR_print_errors(bio_err);
- goto end;
- }
- }
- ret=0;
-end:
- if (in != NULL) BIO_free(in);
- if (out != NULL) BIO_free_all(out);
- if (dh != NULL) DH_free(dh);
- apps_shutdown();
- OPENSSL_EXIT(ret);
- }
-
-/* dh_cb is identical to dsa_cb in apps/dsaparam.c */
-static int MS_CALLBACK dh_cb(int p, int n, BN_GENCB *cb)
- {
- char c='*';
-
- if (p == 0) c='.';
- if (p == 1) c='+';
- if (p == 2) c='*';
- if (p == 3) c='\n';
- BIO_write(cb->arg,&c,1);
- (void)BIO_flush(cb->arg);
-#ifdef LINT
- p=n;
-#endif
- return 1;
- }
-
-#else /* !OPENSSL_NO_DH */
-
-# if PEDANTIC
-static void *dummy=&dummy;
-# endif
-
-#endif