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feat(ecdsa): use RCC atomic block to enable/reset the ECDSA peripheral

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This commit is contained in:
harshal.patil
2023-09-18 13:57:47 +05:30
parent 43864f7fb4
commit 57d10477da
5 changed files with 70 additions and 11 deletions
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12
components/mbedtls/port/ecdsa/ecdsa_alt.c
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@@ -4,14 +4,15 @@
* SPDX-License-Identifier: Apache-2.0
*/
#include <string.h>
#include "hal/ecdsa_ll.h"
#include "hal/ecdsa_hal.h"
#include "esp_crypto_lock.h"
#include "esp_efuse.h"
#include "esp_private/esp_crypto_lock_internal.h"
#include "mbedtls/error.h"
#include "mbedtls/ecdsa.h"
#include "mbedtls/asn1write.h"
#include "mbedtls/platform_util.h"
#include "esp_private/periph_ctrl.h"
#include "ecdsa/ecdsa_alt.h"
#define ECDSA_KEY_MAGIC 0xECD5A
@@ -24,12 +25,17 @@ static void esp_ecdsa_acquire_hardware(void)
{
esp_crypto_ecdsa_lock_acquire();
periph_module_enable(PERIPH_ECDSA_MODULE);
ECDSA_RCC_ATOMIC() {
ecdsa_ll_enable_bus_clock(true);
ecdsa_ll_reset_register();
}
}
static void esp_ecdsa_release_hardware(void)
{
periph_module_disable(PERIPH_ECDSA_MODULE);
ECDSA_RCC_ATOMIC() {
ecdsa_ll_enable_bus_clock(false);
}
esp_crypto_ecdsa_lock_release();
}