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/*
* gnome-keyring
*
* Copyright (C) 2008 Stefan Walter
*
* This program 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.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, see
* <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "pkcs11/pkcs11.h"
#include "gkm-attributes.h"
#include "gkm-crypto.h"
#include "gkm-dh-key.h"
#include "gkm-dh-mechanism.h"
#include "gkm-session.h"
#include "gkm-util.h"
struct _GkmDhKeyPrivate {
gcry_mpi_t prime;
gcry_mpi_t base;
gpointer id;
gsize n_id;
};
G_DEFINE_TYPE_WITH_PRIVATE (GkmDhKey, gkm_dh_key, GKM_TYPE_OBJECT);
/* -----------------------------------------------------------------------------
* INTERNAL
*/
/* -----------------------------------------------------------------------------
* PUBLIC_DH_KEY
*/
static CK_RV
gkm_dh_key_real_get_attribute (GkmObject *base, GkmSession *session, CK_ATTRIBUTE* attr)
{
GkmDhKey *self = GKM_DH_KEY (base);
switch (attr->type)
{
case CKA_KEY_TYPE:
return gkm_attribute_set_ulong (attr, CKK_DH);
case CKA_START_DATE:
case CKA_END_DATE:
return gkm_attribute_set_empty (attr);
case CKA_LOCAL:
return gkm_attribute_set_bool (attr, FALSE);
case CKA_KEY_GEN_MECHANISM:
return gkm_attribute_set_ulong (attr, CK_UNAVAILABLE_INFORMATION);
case CKA_ALLOWED_MECHANISMS:
return gkm_attribute_set_data (attr, (CK_VOID_PTR)GKM_DH_MECHANISMS,
sizeof (GKM_DH_MECHANISMS));
case CKA_ID:
return gkm_attribute_set_data (attr, self->pv->id, self->pv->n_id);
case CKA_SUBJECT:
return gkm_attribute_set_empty (attr);
case CKA_PRIME:
return gkm_attribute_set_mpi (attr, self->pv->prime);
case CKA_BASE:
return gkm_attribute_set_mpi (attr, self->pv->base);
};
return GKM_OBJECT_CLASS (gkm_dh_key_parent_class)->get_attribute (base, session, attr);
}
static void
gkm_dh_key_init (GkmDhKey *self)
{
self->pv = gkm_dh_key_get_instance_private (self);
}
static void
gkm_dh_key_finalize (GObject *obj)
{
GkmDhKey *self = GKM_DH_KEY (obj);
gcry_mpi_release (self->pv->prime);
self->pv->prime = NULL;
gcry_mpi_release (self->pv->base);
self->pv->base = NULL;
g_free (self->pv->id);
self->pv->id = NULL;
self->pv->n_id = 0;
G_OBJECT_CLASS (gkm_dh_key_parent_class)->finalize (obj);
}
static void
gkm_dh_key_class_init (GkmDhKeyClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GkmObjectClass *gkm_class = GKM_OBJECT_CLASS (klass);
gobject_class->finalize = gkm_dh_key_finalize;
gkm_class->get_attribute = gkm_dh_key_real_get_attribute;
}
/* -----------------------------------------------------------------------------
* PUBLIC
*/
void
gkm_dh_key_initialize (GkmDhKey *self, gcry_mpi_t prime, gcry_mpi_t base,
gpointer id, gsize n_id)
{
g_return_if_fail (GKM_IS_DH_KEY (self));
g_return_if_fail (base);
g_return_if_fail (prime);
g_return_if_fail (!self->pv->base);
g_return_if_fail (!self->pv->prime);
self->pv->base = base;
self->pv->prime = prime;
self->pv->id = id;
self->pv->n_id = n_id;
}
gcry_mpi_t
gkm_dh_key_get_prime (GkmDhKey *self)
{
g_return_val_if_fail (GKM_IS_DH_KEY (self), NULL);
return self->pv->prime;
}
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