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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"
#define DEBUG_FLAG GKM_DEBUG_OBJECT
#include "gkm-debug.h"
#include "gkm-factory.h"
#include "gkm-dh-public-key.h"
#include "gkm-session.h"
#include "gkm-transaction.h"
#include "gkm-util.h"
struct _GkmDhPublicKey {
GkmDhKey parent;
gcry_mpi_t value;
};
G_DEFINE_TYPE (GkmDhPublicKey, gkm_dh_public_key, GKM_TYPE_DH_KEY);
/* -----------------------------------------------------------------------------
* INTERNAL
*/
static GkmObject*
factory_create_dh_public_key (GkmSession *session, GkmTransaction *transaction,
CK_ATTRIBUTE_PTR attrs, CK_ULONG n_attrs)
{
GkmManager *manager;
gcry_mpi_t prime = NULL;
gcry_mpi_t base = NULL;
gcry_mpi_t value = NULL;
CK_ATTRIBUTE_PTR idattr;
GkmObject *object;
if (!gkm_attributes_find_mpi (attrs, n_attrs, CKA_PRIME, &prime) ||
!gkm_attributes_find_mpi (attrs, n_attrs, CKA_BASE, &base) ||
!gkm_attributes_find_mpi (attrs, n_attrs, CKA_VALUE, &value)) {
gcry_mpi_release (prime);
gcry_mpi_release (base);
gcry_mpi_release (value);
gkm_transaction_fail (transaction, CKR_TEMPLATE_INCOMPLETE);
return NULL;
}
manager = gkm_manager_for_template (attrs, n_attrs, session);
idattr = gkm_attributes_find (attrs, n_attrs, CKA_ID);
object = GKM_OBJECT (gkm_dh_public_key_new (gkm_session_get_module (session),
manager, prime, base, value,
idattr ? g_memdup (idattr->pValue, idattr->ulValueLen) : NULL,
idattr ? idattr->ulValueLen : 0));
gkm_attributes_consume (attrs, n_attrs, CKA_PRIME, CKA_BASE, CKA_VALUE, G_MAXULONG);
gkm_session_complete_object_creation (session, transaction, object,
TRUE, attrs, n_attrs);
return object;
}
/* -----------------------------------------------------------------------------
* DH_PUBLIC_KEY
*/
static CK_RV
gkm_dh_public_key_real_get_attribute (GkmObject *base, GkmSession *session, CK_ATTRIBUTE* attr)
{
GkmDhPublicKey *self = GKM_DH_PUBLIC_KEY (base);
switch (attr->type)
{
case CKA_CLASS:
return gkm_attribute_set_ulong (attr, CKO_PUBLIC_KEY);
case CKA_DERIVE:
return gkm_attribute_set_bool (attr, FALSE);
case CKA_ENCRYPT:
return gkm_attribute_set_bool (attr, FALSE);
case CKA_VERIFY:
return gkm_attribute_set_bool (attr, FALSE);
case CKA_VERIFY_RECOVER:
return gkm_attribute_set_bool (attr, FALSE);
case CKA_WRAP:
return gkm_attribute_set_bool (attr, FALSE);
case CKA_TRUSTED:
return gkm_attribute_set_bool (attr, FALSE);
case CKA_WRAP_TEMPLATE:
gkm_debug ("CKR_ATTRIBUTE_TYPE_INVALID: no CKA_WRAP_TEMPLATE attribute");
return CKR_ATTRIBUTE_TYPE_INVALID;
case CKA_VALUE:
return gkm_attribute_set_mpi (attr, self->value);
};
return GKM_OBJECT_CLASS (gkm_dh_public_key_parent_class)->get_attribute (base, session, attr);
}
static void
gkm_dh_public_key_init (GkmDhPublicKey *self)
{
}
static void
gkm_dh_public_key_finalize (GObject *obj)
{
GkmDhPublicKey *self = GKM_DH_PUBLIC_KEY (obj);
gcry_mpi_release (self->value);
self->value = NULL;
G_OBJECT_CLASS (gkm_dh_public_key_parent_class)->finalize (obj);
}
static void
gkm_dh_public_key_class_init (GkmDhPublicKeyClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GkmObjectClass *gkm_class = GKM_OBJECT_CLASS (klass);
gkm_dh_public_key_parent_class = g_type_class_peek_parent (klass);
gobject_class->finalize = gkm_dh_public_key_finalize;
gkm_class->get_attribute = gkm_dh_public_key_real_get_attribute;
}
/* -----------------------------------------------------------------------------
* PUBLIC
*/
GkmFactory*
gkm_dh_public_key_get_factory (void)
{
static CK_OBJECT_CLASS klass = CKO_PUBLIC_KEY;
static CK_KEY_TYPE type = CKK_DH;
static CK_ATTRIBUTE attributes[] = {
{ CKA_CLASS, &klass, sizeof (klass) },
{ CKA_KEY_TYPE, &type, sizeof (type) }
};
static GkmFactory factory = {
attributes,
G_N_ELEMENTS (attributes),
factory_create_dh_public_key
};
return &factory;
}
GkmDhPublicKey*
gkm_dh_public_key_new (GkmModule *module, GkmManager *manager,
gcry_mpi_t prime, gcry_mpi_t base, gcry_mpi_t value,
gpointer id, gsize n_id)
{
GkmDhPublicKey *key;
key = g_object_new (GKM_TYPE_DH_PUBLIC_KEY,
"manager", manager,
"module", module,
NULL);
key->value = value;
gkm_dh_key_initialize (GKM_DH_KEY (key), prime, base, id, n_id);
return key;
}
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