jehanne/sys/src/cmd/auth/dsa2pub.c

60 lines
1.4 KiB
C

/*
* This file is part of the UCB release of Plan 9. It is subject to the license
* terms in the LICENSE file found in the top-level directory of this
* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
* part of the UCB release of Plan 9, including this file, may be copied,
* modified, propagated, or distributed except according to the terms contained
* in the LICENSE file.
*/
/* Portions of this file are Copyright (C) 2015-2018 Giacomo Tesio <giacomo@tesio.it>
* See /doc/license/gpl-2.0.txt for details about the licensing.
*/
/* Portions of this file are Copyright (C) 9front's team.
* See /doc/license/9front-mit for details about the licensing.
* See http://git.9front.org/plan9front/plan9front/HEAD/info.html for a list of authors.
*/
#include <u.h>
#include <lib9.h>
#include <auth.h>
#include <mp.h>
#include <libsec.h>
#include "rsa2any.h"
void
usage(void)
{
fprint(2, "usage: auth/dsa2pub [file]\n");
exits("usage");
}
void
main(int argc, char **argv)
{
DSApriv *key;
Attr *a;
char *s;
fmtinstall('A', _attrfmt);
fmtinstall('B', mpfmt);
quotefmtinstall();
ARGBEGIN{
default:
usage();
}ARGEND
if(argc > 1)
usage();
if((key = getdsakey(argc, argv, 0, &a)) == nil)
sysfatal("%r");
s = smprint("key %A p=%B q=%B alpha=%B key=%B\n",
a,
key->pub.p, key->pub.q, key->pub.alpha, key->pub.key);
if(s == nil)
sysfatal("smprint: %r");
jehanne_write(1, s, strlen(s));
exits(nil);
}