-/*
- genauth.c -- generate public/private keypairs
- Copyright (C) 1998,1999,2000 Ivo Timmermans <zarq@iname.com>
- 2000 Guus Sliepen <guus@sliepen.warande.net>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
- $Id: genauth.c,v 1.7.4.4 2000/10/20 15:34:35 guus Exp $
-*/
-
-#include "config.h"
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <time.h>
-#include <openssl/rsa.h>
-#include <openssl/rand.h>
-
-#include <xalloc.h>
-
-#include "system.h"
-
-#define RSA_PUBLIC_EXPONENT 65535
-
-void indicator(int a, int b, void *p)
-{
- switch(a)
- {
- case 0:
- fprintf(stderr, ".");
- break;
- case 1:
- fprintf(stderr, "+");
- break;
- case 2:
- fprintf(stderr, "-");
- break;
- case 3:
- switch(b)
- {
- case 0:
- fprintf(stderr, " p\n");
- break;
- case 1:
- fprintf(stderr, " q\n");
- break;
- default:
- fprintf(stderr, "?");
- }
- break;
- default:
- fprintf(stderr, "?");
- }
-}
-
-int main(int argc, char **argv)
-{
- int bits;
- RSA *key;
-
- setlocale (LC_ALL, "");
- bindtextdomain (PACKAGE, LOCALEDIR);
- textdomain (PACKAGE);
-
- if(argc > 2 || (argc == 2 && (!strcmp(argv[1], "-h") || !strcmp(argv[1], "--help"))))
- {
- fprintf(stderr, _("Usage: %s bits\n"), argv[0]);
- return 1;
- }
-
- if(!argv[1])
- argv[1] = "1024";
-
- bits = atol(argv[1]);
-
- if(bits<32)
- {
- fprintf(stderr, _("Illegal number: %s\n"), argv[1]);
- return 1;
- }
-
- bits = ((bits - 1) | 7) + 1; /* Align to bytes for easy mallocing and reading */
-
- fprintf(stderr, _("Seeding the PRNG: please press some keys or move\nthe mouse if this program seems to have halted...\n"));
-
- RAND_load_file("/dev/random", 1024); /* OpenSSL PRNG state apparently uses 1024 bytes */
-
- fprintf(stderr, _("Generating %d bits keys:\n"), bits);
-
- key = RSA_generate_key(bits, RSA_PUBLIC_EXPONENT, indicator, NULL);
-
- fprintf(stderr, _("Done.\n"));
-
- printf(_("Public key: %s\n"), BN_bn2hex(key->n));
- printf(_("Private key: %s\n"), BN_bn2hex(key->d));
- printf(_("Public exp: %s\n"), BN_bn2hex(key->e));
-
- fflush(stdin); /* Flush any input caused by random keypresses */
-
- return 0;
-}
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