esp-idf/components/hal/hmac_hal.c

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2022-10-19 03:57:24 -04:00
/*
* SPDX-FileCopyrightText: 2020-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "stdio.h"
#include "hal/hmac_hal.h"
#include "hal/hmac_ll.h"
void hmac_hal_start(void)
{
hmac_ll_wait_idle();
hmac_ll_start();
}
uint32_t hmac_hal_configure(hmac_hal_output_t config, uint32_t key_id)
{
hmac_ll_wait_idle();
hmac_ll_config_output(config);
hmac_ll_config_hw_key_id(key_id);
hmac_ll_config_finish();
hmac_ll_wait_idle();
uint32_t conf_error = hmac_ll_config_error();
if (conf_error) {
hmac_ll_calc_finish();
return 1;
} else if (config != HMAC_OUTPUT_USER) {
// In "downstream" mode, this will be the last hmac operation. Make sure HMAC is ready for
// the other peripheral.
hmac_ll_wait_idle();
}
return 0;
}
void hmac_hal_write_one_block_512(const void *block)
{
hmac_ll_wait_idle();
hmac_ll_write_block_512(block);
hmac_ll_wait_idle();
hmac_ll_msg_one_block();
}
void hmac_hal_write_block_512(const void *block)
{
hmac_ll_wait_idle();
hmac_ll_write_block_512(block);
}
void hmac_hal_next_block_padding(void)
{
hmac_ll_wait_idle();
hmac_ll_msg_padding();
}
void hmac_hal_next_block_normal(void)
{
hmac_ll_wait_idle();
hmac_ll_msg_continue();
}
void hmac_hal_read_result_256(void *result)
{
hmac_ll_wait_idle();
hmac_ll_read_result_256(result);
hmac_ll_calc_finish();
}
void hmac_hal_clean(void)
{
hmac_ll_wait_idle();
hmac_ll_clean();
}