X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=apps%2Fgendh.c;h=904bcf3a945a956b3a4a9fd36e53942efbeff226;hp=e3be0827c1284e7b7b7cabaca3854d3455e5f7d2;hb=53dd4ddf71ad79a64be934ca19445b1cf560adab;hpb=a9be3af5ad4836f7e50f0546311ca90c717b861e diff --git a/apps/gendh.c b/apps/gendh.c index e3be0827c1..904bcf3a94 100644 --- a/apps/gendh.c +++ b/apps/gendh.c @@ -1,25 +1,26 @@ /* apps/gendh.c */ +/* obsoleted by 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: @@ -34,10 +35,10 @@ * 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 + * 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 @@ -49,175 +50,194 @@ * 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 -#include -#include -#include -#include "apps.h" -#include -#include -#include -#include -#include -#include -#include - -#define DEFBITS 512 -#undef PROG -#define PROG gendh_main - -static void MS_CALLBACK dh_cb(int p, int n, char *arg); -static long dh_load_rand(char *names); -int MAIN(int argc, char **argv) - { - char buffer[200]; - DH *dh=NULL; - int ret=1,num=DEFBITS; - int g=2; - char *outfile=NULL; - char *inrand=NULL,*randfile; - BIO *out=NULL; - - 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); - - argv++; - argc--; - for (;;) - { - if (argc <= 0) break; - if (strcmp(*argv,"-out") == 0) - { - if (--argc < 1) goto bad; - outfile= *(++argv); - } - else if (strcmp(*argv,"-2") == 0) - g=2; - /* else if (strcmp(*argv,"-3") == 0) - g=3; */ - else if (strcmp(*argv,"-5") == 0) - g=5; - else if (strcmp(*argv,"-rand") == 0) - { - if (--argc < 1) goto bad; - inrand= *(++argv); - } - else - break; - argv++; - argc--; - } - if ((argc >= 1) && ((sscanf(*argv,"%d",&num) == 0) || (num < 0))) - { -bad: - BIO_printf(bio_err,"usage: gendh [args] [numbits]\n"); - BIO_printf(bio_err," -out file - output the key to 'file\n"); - BIO_printf(bio_err," -2 use 2 as the generator value\n"); - /* BIO_printf(bio_err," -3 use 3 as the generator value\n"); */ - BIO_printf(bio_err," -5 use 5 as the generator value\n"); - BIO_printf(bio_err," -rand file:file:...\n"); - BIO_printf(bio_err," - load the file (or the files in the directory) into\n"); - BIO_printf(bio_err," the random number generator\n"); - goto end; - } - - 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); - else - { - if (BIO_write_filename(out,outfile) <= 0) - { - perror(outfile); - goto end; - } - } - - randfile=RAND_file_name(buffer,200); - if ((randfile == NULL)|| !RAND_load_file(randfile,1024L*1024L)) - BIO_printf(bio_err,"unable to load 'random state'\n"); - - if (inrand == NULL) - BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n"); - else - { - BIO_printf(bio_err,"%ld semi-random bytes loaded\n", - dh_load_rand(inrand)); - } - - BIO_printf(bio_err,"Generating DH parameters, %d bit long strong prime, generator of %d\n",num,g); - BIO_printf(bio_err,"This is going to take a long time\n"); - dh=DH_generate_parameters(num,g,dh_cb,(char *)bio_err); - - if (dh == NULL) goto end; - - if (randfile == NULL) - BIO_printf(bio_err,"unable to write 'random state'\n"); - else - RAND_write_file(randfile); - - if (!PEM_write_bio_DHparams(out,dh)) - goto end; - ret=0; -end: - if (ret != 0) - ERR_print_errors(bio_err); - if (out != NULL) BIO_free(out); - if (dh != NULL) DH_free(dh); - EXIT(ret); - } - -static void MS_CALLBACK dh_cb(int p, int n, char *arg) - { - char c='*'; - - if (p == 0) c='.'; - if (p == 1) c='+'; - if (p == 2) c='*'; - if (p == 3) c='\n'; - BIO_write((BIO *)arg,&c,1); - BIO_flush((BIO *)arg); -#ifdef LINT - p=n; -#endif - } - -static long dh_load_rand(char *name) - { - char *p,*n; - int last; - long tot=0; - - for (;;) - { - last=0; - for (p=name; ((*p != '\0') && (*p != LIST_SEPARATOR_CHAR)); p++); - if (*p == '\0') last=1; - *p='\0'; - n=name; - name=p+1; - if (*n == '\0') break; - - tot+=RAND_load_file(n,1); - if (last) break; - } - return(tot); - } +#include +#ifndef OPENSSL_NO_DH +# include +# include +# include +# include +# include "apps.h" +# include +# include +# include +# include +# include +# include +# include +# define DEFBITS 2048 +# undef PROG +# define PROG gendh_main + +static int dh_cb(int p, int n, BN_GENCB *cb); + +int MAIN(int, char **); + +int MAIN(int argc, char **argv) +{ + BN_GENCB *cb = NULL; + DH *dh = NULL; + int ret = 1, num = DEFBITS; + int g = 2; + char *outfile = NULL; + char *inrand = NULL; +# ifndef OPENSSL_NO_ENGINE + char *engine = NULL; +# endif + BIO *out = NULL; + + 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); + + cb = BN_GENCB_new(); + if (!cb) + goto end; + + BN_GENCB_set(cb, dh_cb, bio_err); + + if (!load_config(bio_err, NULL)) + goto end; + + argv++; + argc--; + for (;;) { + if (argc <= 0) + break; + if (strcmp(*argv, "-out") == 0) { + if (--argc < 1) + goto bad; + outfile = *(++argv); + } else if (strcmp(*argv, "-2") == 0) + g = 2; +/*- else if (strcmp(*argv,"-3") == 0) + g=3; */ + else if (strcmp(*argv, "-5") == 0) + g = 5; +# ifndef OPENSSL_NO_ENGINE + else if (strcmp(*argv, "-engine") == 0) { + if (--argc < 1) + goto bad; + engine = *(++argv); + } +# endif + else if (strcmp(*argv, "-rand") == 0) { + if (--argc < 1) + goto bad; + inrand = *(++argv); + } else + break; + argv++; + argc--; + } + if ((argc >= 1) && ((sscanf(*argv, "%d", &num) == 0) || (num < 0))) { + bad: + BIO_printf(bio_err, "usage: gendh [args] [numbits]\n"); + BIO_printf(bio_err, " -out file - output the key to 'file\n"); + BIO_printf(bio_err, " -2 - use 2 as the generator value\n"); + /* + * BIO_printf(bio_err," -3 - use 3 as the generator value\n"); + */ + BIO_printf(bio_err, " -5 - use 5 as the generator value\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"); + goto end; + } +# ifndef OPENSSL_NO_ENGINE + setup_engine(bio_err, engine, 0); +# endif + + 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 (!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)); + + 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_new()) == NULL) + || !DH_generate_parameters_ex(dh, num, g, cb)) + goto end; + + app_RAND_write_file(NULL, bio_err); + + if (!PEM_write_bio_DHparams(out, dh)) + goto end; + ret = 0; + end: + if (ret != 0) + ERR_print_errors(bio_err); + BIO_free_all(out); + DH_free(dh); + if (cb != NULL) + BN_GENCB_free(cb); + apps_shutdown(); + OPENSSL_EXIT(ret); +} + +static int 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(BN_GENCB_get_arg(cb), &c, 1); + (void)BIO_flush(BN_GENCB_get_arg(cb)); + return 1; +} +#else /* !OPENSSL_NO_DH */ + +# if PEDANTIC +static void *dummy = &dummy; +# endif + +#endif