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Merge branch 'bugfix/update_disabling_hmac_jtag_method' into 'master'

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fix(esp_hw_support): update hmac toggle method due to discrepency in ROM code

See merge request espressif/esp-idf!29131
This commit is contained in:
Aditya Patwardhan 2024-03-04 17:55:59 +08:00
commit acb733845f
1 changed files with 14 additions and 5 deletions
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19
components/esp_hw_support/esp_hmac.c
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@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2015-2023 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@ -187,7 +187,9 @@ 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.");
ets_hmac_disable();
HMAC_RCC_ATOMIC() {
hmac_ll_enable_bus_clock(false);
}
esp_crypto_hmac_lock_release();
@ -197,9 +199,17 @@ esp_err_t esp_hmac_jtag_enable(hmac_key_id_t key_id, const uint8_t *token)
esp_err_t esp_hmac_jtag_disable()
{
esp_crypto_hmac_lock_acquire();
ets_hmac_enable();
HMAC_RCC_ATOMIC() {
hmac_ll_enable_bus_clock(true);
}
REG_WRITE(HMAC_SET_INVALIDATE_JTAG_REG, 1);
ets_hmac_disable();
HMAC_RCC_ATOMIC() {
hmac_ll_enable_bus_clock(false);
}
esp_crypto_hmac_lock_release();
ESP_LOGD(TAG, "Invalidate JTAG result register. JTAG disabled.");
@ -234,7 +244,6 @@ esp_err_t esp_hmac_calculate(hmac_key_id_t key_id,
} else {
return ESP_OK;
}
}
esp_err_t esp_hmac_jtag_enable(hmac_key_id_t key_id, const uint8_t *token)