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/* dsa2sexp.c
*
*/
/* nettle, low-level cryptographics library
*
* Copyright (C) 2002, 2009 Niels Möller, Magnus Holmgren
*
* The nettle library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or (at your
* option) any later version.
*
* The nettle library 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 Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with the nettle library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02111-1301, USA.
*/
#if HAVE_CONFIG_H
# include "config.h"
#endif
#include "dsa.h"
#include "sexp.h"
int
dsa_keypair_to_sexp(struct nettle_buffer *buffer,
const char *algorithm_name,
const struct dsa_public_key *pub,
const struct dsa_private_key *priv)
{
if (!algorithm_name)
algorithm_name = "dsa";
if (priv)
return sexp_format(buffer,
"(private-key(%0s(p%b)(q%b)"
"(g%b)(y%b)(x%b)))",
algorithm_name, pub->p, pub->q,
pub->g, pub->y, priv->x);
else
return sexp_format(buffer,
"(public-key(%0s(p%b)(q%b)"
"(g%b)(y%b)))",
algorithm_name, pub->p, pub->q,
pub->g, pub->y);
}
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