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- Changed genauth to produce rsa keypairs instead of random passphrases.

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This commit is contained in:
Guus Sliepen 2000-10-11 12:07:27 +00:00
parent 950fb8e916
commit 451e9e3e7a
1 changed files with 48 additions and 48 deletions
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92
src/genauth.c
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@ -1,6 +1,7 @@
/*
genauth.c -- generate a random passphrase
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
@ -16,7 +17,7 @@
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 2000/05/31 18:21:27 zarq Exp $
$Id: genauth.c,v 1.7.4.1 2000/10/11 12:07:27 guus Exp $
*/
#include "config.h"
@ -24,20 +25,49 @@
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <openssl/rsa.h>
#include <xalloc.h>
#include "encr.h"
#include "system.h"
unsigned char initvec[] = { 0x22, 0x7b, 0xad, 0x55, 0x41, 0xf4, 0x3e, 0xf3 };
#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)
{
FILE *fp;
int bits, c, i, bytes;
unsigned char *p;
int bits;
RSA *key;
setlocale (LC_ALL, "");
bindtextdomain (PACKAGE, LOCALEDIR);
@ -52,53 +82,23 @@ int main(int argc, char **argv)
if(!argv[1])
argv[1] = "1024";
if(!(bits = atol(argv[1])))
bits = atol(argv[1]);
if(bits<32)
{
fprintf(stderr, _("Illegal number: %s\n"), argv[1]);
return 1;
}
bits = ((bits - 1) | 63) + 1;
fprintf(stderr, _("Generating %d bits number"), bits);
bytes = bits >> 3;
bits = ((bits - 1) | 7) + 1; /* Align to bytes for easy mallocing and reading */
if((fp = fopen("/dev/urandom", "r")) == NULL)
{
perror(_("Opening /dev/urandom"));
return 1;
}
fprintf(stderr, _("Generating %d bits keys:\n"), bits);
p = xmalloc(bytes);
key = RSA_generate_key(bits, RSA_PUBLIC_EXPONENT, indicator, NULL);
setbuf(stdout, NULL);
for(i = 0; i < bytes; i++)
{
c = fgetc(fp);
if(feof(fp))
{
puts("");
fprintf(stderr, _("File was empty!\n"));
}
p[i] = c;
}
fclose(fp);
fprintf(stderr, _("Done.\n"));
if(isatty(1))
{
fprintf(stderr, _(": done.\nThe following line should be ENTIRELY copied into a passphrase file:\n"));
printf("%d ", bits);
for(i = 0; i < bytes; i++)
printf("%02x", p[i]);
puts("");
}
else
{
printf("%d ", bits);
for(i = 0; i < bytes; i++)
printf("%02x", p[i]);
puts("");
fprintf(stderr, _(": done.\n"));
}
printf("Public key:\t%s\nPrivate key:\t%s\n", BN_bn2hex(key->n), BN_bn2hex(key->d));
return 0;
}