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95 lines
2.0 KiB
C
95 lines
2.0 KiB
C
/*
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* SPDX-FileCopyrightText: 2020-2025 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "stdio.h"
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#include "hal/hmac_hal.h"
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#include "hal/hmac_ll.h"
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#include "soc/soc_caps.h"
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#if SOC_KEY_MANAGER_HMAC_KEY_DEPLOY
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#include "hal/key_mgr_hal.h"
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#endif
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void hmac_hal_start(void)
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{
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hmac_ll_wait_idle();
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hmac_ll_start();
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}
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uint32_t hmac_hal_configure(hmac_hal_output_t config, uint32_t key_id)
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{
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hmac_ll_wait_idle();
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hmac_ll_config_output(config);
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#if SOC_KEY_MANAGER_HMAC_KEY_DEPLOY
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if (key_id == HMAC_KEY_KM) {
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if (config == HMAC_OUTPUT_USER) {
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key_mgr_hal_set_key_usage(ESP_KEY_MGR_HMAC_KEY, ESP_KEY_MGR_USE_OWN_KEY);
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} else {
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// No other HMAC output type is allowed when using key manager
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return 1;
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}
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} else {
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key_mgr_hal_set_key_usage(ESP_KEY_MGR_HMAC_KEY, ESP_KEY_MGR_USE_EFUSE_KEY);
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}
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#endif
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hmac_ll_config_hw_key_id(key_id);
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hmac_ll_config_finish();
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hmac_ll_wait_idle();
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uint32_t conf_error = hmac_ll_config_error();
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if (conf_error) {
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hmac_ll_calc_finish();
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return 1;
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} else if (config != HMAC_OUTPUT_USER) {
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// In "downstream" mode, this will be the last hmac operation. Make sure HMAC is ready for
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// the other peripheral.
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hmac_ll_wait_idle();
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}
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return 0;
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}
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void hmac_hal_write_one_block_512(const void *block)
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{
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hmac_ll_wait_idle();
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hmac_ll_write_block_512(block);
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hmac_ll_wait_idle();
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hmac_ll_msg_one_block();
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}
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void hmac_hal_write_block_512(const void *block)
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{
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hmac_ll_wait_idle();
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hmac_ll_write_block_512(block);
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}
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void hmac_hal_next_block_padding(void)
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{
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hmac_ll_wait_idle();
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hmac_ll_msg_padding();
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}
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void hmac_hal_next_block_normal(void)
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{
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hmac_ll_wait_idle();
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hmac_ll_msg_continue();
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}
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void hmac_hal_read_result_256(void *result)
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{
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hmac_ll_wait_idle();
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hmac_ll_read_result_256(result);
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hmac_ll_calc_finish();
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}
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void hmac_hal_clean(void)
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{
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hmac_ll_wait_idle();
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hmac_ll_clean();
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}
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