library/psa_crypto_slot_management.h

/*
 *  PSA crypto layer on top of Mbed TLS crypto
 */
/*  Copyright (C) 2018, ARM Limited, All Rights Reserved
 *  SPDX-License-Identifier: Apache-2.0
 *
 *  Licensed under the Apache License, Version 2.0 (the "License"); you may
 *  not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *  This file is part of mbed TLS (https://tls.mbed.org)
 */

#ifndef PSA_CRYPTO_SLOT_MANAGEMENT_H
#define PSA_CRYPTO_SLOT_MANAGEMENT_H

/* Number of key slots (plus one because 0 is not used).
 * The value is a compile-time constant for now, for simplicity. */
#define PSA_KEY_SLOT_COUNT 32

/** Access a key slot at the given handle. */
psa_status_t psa_get_key_slot( psa_key_handle_t handle,
                               psa_key_slot_t **p_slot );

/** Initialize the key slot structures. */
psa_status_t psa_initialize_key_slots( void );

/** Delete all data from key slots in memory. This does not affect persistent
 * storage. */
void psa_wipe_all_key_slots( void );

#endif /* PSA_CRYPTO_SLOT_MANAGEMENT_H */