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esp32s2/hmac: Release HMAC lock in downstream mode incase of failure
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@ -47,7 +47,8 @@ esp_err_t esp_hmac_calculate(hmac_key_id_t key_id,
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esp_err_t esp_hmac_jtag_enable(hmac_key_id_t key_id, const uint8_t *token)
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{
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esp_err_t err;
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int ets_status;
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esp_err_t err = ESP_OK;
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if ((!token) || (key_id >= HMAC_KEY_MAX))
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return ESP_ERR_INVALID_ARG;
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@ -69,10 +70,10 @@ esp_err_t esp_hmac_jtag_enable(hmac_key_id_t key_id, const uint8_t *token)
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REG_WRITE(DPORT_JTAG_CTRL_0_REG + i, __builtin_bswap32(key_word));
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}
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err = ets_hmac_calculate_downstream(convert_key_type(key_id), ETS_EFUSE_KEY_PURPOSE_HMAC_DOWN_JTAG);
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if (err != ETS_OK) {
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ESP_LOGE(TAG, "HMAC downstream JTAG enable mode setting failed.");
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return ESP_FAIL;
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ets_status = ets_hmac_calculate_downstream(convert_key_type(key_id), ETS_EFUSE_KEY_PURPOSE_HMAC_DOWN_JTAG);
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if (ets_status != ETS_OK) {
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err = ESP_FAIL;
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ESP_LOGE(TAG, "HMAC downstream JTAG enable mode setting failed. (%d)", err);
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}
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ESP_LOGD(TAG, "HMAC computation in downstream mode is completed.");
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@ -81,7 +82,7 @@ esp_err_t esp_hmac_jtag_enable(hmac_key_id_t key_id, const uint8_t *token)
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esp_crypto_dma_lock_release();
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return ESP_OK;
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return err;
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}
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esp_err_t esp_hmac_jtag_disable()
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