esp-idf/components/hal/efuse_hal.c
Sachin Parekh d634970ed1 ecdsa: Support multiple ECDSA keys
Add provision to choose which efuse block should be used as ECDSA
private key
2023-04-07 14:55:21 +05:30

50 lines
1.1 KiB
C

/*
* SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "sdkconfig.h"
#include <sys/param.h>
#include "soc/soc_caps.h"
#include "hal/efuse_ll.h"
#include "hal/assert.h"
#include "hal/efuse_hal.h"
#include "esp_attr.h"
void efuse_hal_get_mac(uint8_t *mac)
{
*((uint32_t*)&mac[0]) = efuse_ll_get_mac0();
*((uint16_t*)&mac[4]) = (uint16_t) efuse_ll_get_mac1();
}
IRAM_ATTR uint32_t efuse_hal_chip_revision(void)
{
return efuse_hal_get_major_chip_version() * 100 + efuse_hal_get_minor_chip_version();
}
IRAM_ATTR bool efuse_hal_flash_encryption_enabled(void)
{
uint32_t flash_crypt_cnt = efuse_ll_get_flash_crypt_cnt();
bool enabled = false;
while (flash_crypt_cnt) {
if (flash_crypt_cnt & 1) {
enabled = !enabled;
}
flash_crypt_cnt >>= 1;
}
return enabled;
}
#if SOC_ECDSA_SUPPORTED
void efuse_hal_set_ecdsa_key(int efuse_blk)
{
efuse_ll_set_ecdsa_key_blk(efuse_blk);
efuse_ll_rs_bypass_update();
efuse_hal_read();
}
#endif