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fix(mbedtls): validate ECDSA signature range and harden ECC memory power-down

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harshal.patil
2026-06-09 14:58:59 +05:30
parent 785ab7a4e6
commit beb13babca
18 changed files with 120 additions and 52 deletions
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components/esp_hal_security/esp32c6/include/hal/ecc_ll.h
+3 -1
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2020-2024 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2020-2026 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -12,6 +12,7 @@
#include "soc/ecc_mult_reg.h"
#include "soc/pcr_struct.h"
#include "soc/pcr_reg.h"
#include "esp_fault.h"
#ifdef __cplusplus
extern "C" {
@@ -46,6 +47,7 @@ static inline void ecc_ll_power_up(void)
{
REG_CLR_BIT(PCR_ECC_PD_CTRL_REG, PCR_ECC_MEM_PD);
REG_CLR_BIT(PCR_ECC_PD_CTRL_REG, PCR_ECC_MEM_FORCE_PD);
ESP_FAULT_ASSERT(REG_GET_BIT(PCR_ECC_PD_CTRL_REG, PCR_ECC_MEM_FORCE_PD) == 0);
}
static inline void ecc_ll_power_down(void)