mirror of
https://github.com/yuzu-emu/mbedtls.git
synced 2024-11-22 23:25:44 +01:00
5243a202c3
Create the driver context when registering the driver. Implement some helper functions to access driver information.
119 lines
4.0 KiB
C
119 lines
4.0 KiB
C
/*
|
|
* PSA crypto support for secure element drivers
|
|
*/
|
|
/* Copyright (C) 2019, 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_SE_H
|
|
#define PSA_CRYPTO_SE_H
|
|
|
|
#if !defined(MBEDTLS_CONFIG_FILE)
|
|
#include "mbedtls/config.h"
|
|
#else
|
|
#include MBEDTLS_CONFIG_FILE
|
|
#endif
|
|
|
|
#include "psa/crypto.h"
|
|
#include "psa/crypto_se_driver.h"
|
|
|
|
/** The maximum number of registered secure element driver lifetimes. */
|
|
#define PSA_MAX_SE_DRIVERS 4
|
|
|
|
/** Unregister all secure element drivers.
|
|
*
|
|
* \warning Do not call this function while the library is in the initialized
|
|
* state. This function is only intended to be called at the end
|
|
* of mbedtls_psa_crypto_free().
|
|
*/
|
|
void psa_unregister_all_se_drivers( void );
|
|
|
|
/** A structure that describes a registered secure element driver.
|
|
*
|
|
* A secure element driver table entry contains a pointer to the
|
|
* driver's method table as well as the driver context structure.
|
|
*/
|
|
typedef struct psa_se_drv_table_entry_s psa_se_drv_table_entry_t;
|
|
|
|
/** Return the secure element driver information for a lifetime value.
|
|
*
|
|
* \param lifetime The lifetime value to query.
|
|
* \param[out] p_methods On output, if there is a driver,
|
|
* \c *methods points to its method table.
|
|
* Otherwise \c *methods is \c NULL.
|
|
* \param[out] p_drv_context On output, if there is a driver,
|
|
* \c *drv_context points to its context
|
|
* structure.
|
|
* Otherwise \c *drv_context is \c NULL.
|
|
*
|
|
* \retval 1
|
|
* \p lifetime corresponds to a registered driver.
|
|
* \retval 0
|
|
* \p lifetime does not correspond to a registered driver.
|
|
*/
|
|
int psa_get_se_driver( psa_key_lifetime_t lifetime,
|
|
const psa_drv_se_t **p_methods,
|
|
psa_drv_se_context_t **p_drv_context);
|
|
|
|
/** Return the secure element driver table entry for a lifetime value.
|
|
*
|
|
* \param lifetime The lifetime value to query.
|
|
*
|
|
* \return The driver table entry for \p lifetime, or
|
|
* \p NULL if \p lifetime does not correspond to a registered driver.
|
|
*/
|
|
psa_se_drv_table_entry_t *psa_get_se_driver_entry(
|
|
psa_key_lifetime_t lifetime );
|
|
|
|
/** Return the method table for a secure element driver.
|
|
*
|
|
* \param[in] driver The driver table entry to access, or \c NULL.
|
|
*
|
|
* \return The driver's method table.
|
|
* \c NULL if \p driver is \c NULL.
|
|
*/
|
|
const psa_drv_se_t *psa_get_se_driver_methods(
|
|
const psa_se_drv_table_entry_t *driver );
|
|
|
|
/** Return the context of a secure element driver.
|
|
*
|
|
* \param[in] driver The driver table entry to access, or \c NULL.
|
|
*
|
|
* \return A pointer to the driver context.
|
|
* \c NULL if \p driver is \c NULL.
|
|
*/
|
|
psa_drv_se_context_t *psa_get_se_driver_context(
|
|
psa_se_drv_table_entry_t *driver );
|
|
|
|
/** Load the persistent data of a secure element driver.
|
|
*
|
|
* \param driver The driver table entry containing the persistent
|
|
* data to load from storage.
|
|
*/
|
|
psa_status_t psa_load_se_persistent_data(
|
|
const psa_se_drv_table_entry_t *driver );
|
|
|
|
/** Save the persistent data of a secure element driver.
|
|
*
|
|
* \param[in] driver The driver table entry containing the persistent
|
|
* data to save to storage.
|
|
*/
|
|
psa_status_t psa_save_se_persistent_data(
|
|
const psa_se_drv_table_entry_t *driver );
|
|
|
|
#endif /* PSA_CRYPTO_SE_H */
|