58 lines
2 KiB
C
58 lines
2 KiB
C
/*
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* PSA crypto layer on top of Mbed TLS crypto
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*/
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/* Copyright (C) 2018, ARM Limited, All Rights Reserved
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* This file is part of mbed TLS (https://tls.mbed.org)
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*/
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#ifndef PSA_CRYPTO_SLOT_MANAGEMENT_H
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#define PSA_CRYPTO_SLOT_MANAGEMENT_H
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/* Number of key slots (plus one because 0 is not used).
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* The value is a compile-time constant for now, for simplicity. */
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#define PSA_KEY_SLOT_COUNT 32
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/** Access a key slot at the given handle.
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*
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* \param handle Key handle to query.
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* \param[out] p_slot On success, `*p_slot` contains a pointer to the
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* key slot in memory designated by \p handle.
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*
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* \retval PSA_SUCCESS
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* Success: \p handle is a handle to `*p_slot`. Note that `*p_slot`
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* may be empty or occupied.
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* \retval PSA_ERROR_INVALID_HANDLE
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* \p handle is out of range or is not in use.
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* \retval PSA_ERROR_BAD_STATE
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* The library has not been initialized.
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*/
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psa_status_t psa_get_key_slot( psa_key_handle_t handle,
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psa_key_slot_t **p_slot );
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/** Initialize the key slot structures.
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*
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* \retval PSA_SUCCESS
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* Currently this function always succeeds.
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*/
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psa_status_t psa_initialize_key_slots( void );
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/** Delete all data from key slots in memory.
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*
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* This does not affect persistent storage. */
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void psa_wipe_all_key_slots( void );
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#endif /* PSA_CRYPTO_SLOT_MANAGEMENT_H */
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