rt-thread-official/bsp/lpc55sxx/lpc55s36_nxp_evk/applications/tfm_ps.c

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2022-12-05 14:37:49 +08:00
/*
* Copyright (c) 2019-2020, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2020-01-10 Kevin/Karl Add PS demo
*
*/
#include <rtdevice.h>
#include <string.h>
#include "tfm_ns_lock.h"
#include "psa_protected_storage.h"
#define TEST_UID_A 2U
#define ASSET_A "THEQUICKBROWNFOXJUMPSOVERALAZYDOG"
#define ASSET_A_SIZE (sizeof( ASSET_A ) - 1)
#define RESETDATA "THISIS"
#define RESETDATA_SIZE (sizeof( RESETDATA ) - 1)
#define READ_LENGTH (ASSET_A_SIZE > RESETDATA_SIZE ? \
ASSET_A_SIZE : RESETDATA_SIZE)
void protected_storage_demo_thread(void * parameters)
{
psa_ps_status_t status;
const psa_ps_uid_t uid = TEST_UID_A;
const psa_ps_create_flags_t flags = PSA_PS_FLAG_NONE;
uint8_t write_data[] = ASSET_A;
const uint32_t data_length = ASSET_A_SIZE;
uint8_t rewrite_data[] = RESETDATA;
const uint32_t reset_data_length = RESETDATA_SIZE;
uint8_t get_data[READ_LENGTH];
uint32_t counter = 0;
tfm_ns_lock_init();
for ( ; ; )
{
/* Call TF-M protected storage service and set the asset. */
status = psa_ps_set(uid, data_length, write_data, flags);
if (status != PSA_PS_SUCCESS)
{
rt_kprintf("[Protected Storage Asset A Set Round %ld] Fail\r\n", counter);
for( ; ; );
}
rt_kprintf("[Protected Storage Asset A Set Round %ld] Success\r\n", counter);
/* Read the asset. */
status = psa_ps_get(uid, 0, data_length, get_data);
if (status != PSA_PS_SUCCESS)
{
rt_kprintf("[Protected Storage Asset A Get Round %ld] Fail\r\n", counter);
for ( ; ; );
}
rt_kprintf("[Protected Storage Asset A Get Round %ld] Success\r\n", counter);
/* Check the read data. */
if (memcmp(write_data, get_data, sizeof(write_data) - 1) != 0)
{
rt_kprintf("[Protected Storage Asset A Get Round %ld] Get the wrong data\r\n", counter);
for ( ; ; );
}
/* Change the asset. */
status = psa_ps_set(uid, reset_data_length, rewrite_data, flags);
if (status != PSA_PS_SUCCESS)
{
rt_kprintf("[Protected Storage Asset A Reset Round %ld] Fail\r\n", counter);
}
rt_kprintf("[Protected Storage Asset A Reset Round %ld] Success\r\n", counter);
/* Read the asset. */
status = psa_ps_get(uid, 0, reset_data_length, get_data);
if (status != PSA_PS_SUCCESS)
{
rt_kprintf("[Protected Storage Asset A Get Round %ld] Fail\r\n", counter);
for ( ; ; );
}
rt_kprintf("[Protected Storage Asset A Get Round %ld] Success\r\n", counter);
/* Check the read data. */
if (memcmp(rewrite_data, get_data, sizeof(rewrite_data) - 1) != 0)
{
rt_kprintf("[Protected Storage Asset A Get Round %ld] Get the wrong data\r\n", counter);
for ( ; ; );
}
/* Remove the asset. */
status = psa_ps_remove(uid);
if (status != PSA_PS_SUCCESS)
{
rt_kprintf("[Protected Storage Asset A Remove Round %ld] Fail\r\n", counter);
for ( ; ; );
}
rt_kprintf("[Protected Storage Asset A Remove Round %ld] Success\r\n\n", counter);
/* Wait for a second. */
rt_thread_mdelay(1000);
counter++;
}
}
// end file