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refactor(esp_security): Introduce dedicated APIs for crypto clock configuration

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This commit is contained in:
Laukik Hase
2025-04-04 10:31:27 +05:30
parent 6658d081e2
commit 3e95020c59
14 changed files with 277 additions and 189 deletions
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components/esp_security/src/esp_hmac.c
+11 -32
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2015-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -13,7 +13,7 @@
#include "esp_hmac.h"
#include "esp_log.h"
#include "esp_crypto_lock.h"
#include "esp_private/esp_crypto_lock_internal.h"
#include "esp_crypto_periph_clk.h"
#include "soc/hwcrypto_reg.h"
#include "soc/system_reg.h"
@@ -71,20 +71,11 @@ esp_err_t esp_hmac_calculate(hmac_key_id_t key_id,
esp_crypto_hmac_lock_acquire();
// We also enable SHA and DS here. SHA is used by HMAC, DS will otherwise hold SHA in reset state.
HMAC_RCC_ATOMIC() {
hmac_ll_enable_bus_clock(true);
hmac_ll_reset_register();
}
esp_crypto_hmac_enable_periph_clk(true);
SHA_RCC_ATOMIC() {
sha_ll_enable_bus_clock(true);
sha_ll_reset_register();
}
esp_crypto_sha_enable_periph_clk(true);
DS_RCC_ATOMIC() {
ds_ll_enable_bus_clock(true);
ds_ll_reset_register();
}
esp_crypto_ds_enable_periph_clk(true);
hmac_hal_start();
@@ -146,17 +137,11 @@ esp_err_t esp_hmac_calculate(hmac_key_id_t key_id,
// Read back result (bit swapped)
hmac_hal_read_result_256(hmac);
DS_RCC_ATOMIC() {
ds_ll_enable_bus_clock(false);
}
esp_crypto_ds_enable_periph_clk(false);
SHA_RCC_ATOMIC() {
sha_ll_enable_bus_clock(false);
}
esp_crypto_sha_enable_periph_clk(false);
HMAC_RCC_ATOMIC() {
hmac_ll_enable_bus_clock(false);
}
esp_crypto_hmac_enable_periph_clk(false);
esp_crypto_hmac_lock_release();
@@ -195,9 +180,7 @@ esp_err_t esp_hmac_jtag_enable(hmac_key_id_t key_id, const uint8_t *token)
ESP_LOGD(TAG, "HMAC computation in downstream mode is completed.");
HMAC_RCC_ATOMIC() {
hmac_ll_enable_bus_clock(false);
}
esp_crypto_hmac_enable_periph_clk(false);
esp_crypto_hmac_lock_release();
@@ -208,15 +191,11 @@ esp_err_t esp_hmac_jtag_disable()
{
esp_crypto_hmac_lock_acquire();
HMAC_RCC_ATOMIC() {
hmac_ll_enable_bus_clock(true);
}
esp_crypto_hmac_enable_periph_clk(true);
REG_WRITE(HMAC_SET_INVALIDATE_JTAG_REG, 1);
HMAC_RCC_ATOMIC() {
hmac_ll_enable_bus_clock(false);
}
esp_crypto_hmac_enable_periph_clk(false);
esp_crypto_hmac_lock_release();