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feat(ecc): enable ECC constant time mode for ESP32-H2 ECO5

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This commit is contained in:
Mahavir Jain
2024-10-22 15:17:16 +05:30
committed by BOT
parent 2fe702e8f7
commit 748d29b5ad
15 changed files with 58 additions and 23 deletions
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14
components/hal/esp32h2/include/hal/ecc_ll.h
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@@ -12,6 +12,8 @@
#include "soc/ecc_mult_reg.h"
#include "soc/pcr_struct.h"
#include "soc/pcr_reg.h"
#include "soc/chip_revision.h"
#include "hal/efuse_ll.h"
#ifdef __cplusplus
extern "C" {
@@ -211,6 +213,18 @@ static inline ecc_mod_base_t ecc_ll_get_mod_base(void)
return (ecc_mod_base_t)(REG_GET_FIELD(ECC_MULT_CONF_REG, ECC_MULT_MOD_BASE));
}
static inline void ecc_ll_enable_constant_time_point_mul(bool enable)
{
// ECC constant time point multiplication is supported only on rev 1.2 and above
if ((efuse_ll_get_chip_wafer_version_major() >= 1) && (efuse_ll_get_chip_wafer_version_minor() >= 2)) {
if (enable) {
REG_SET_BIT(ECC_MULT_CONF_REG, ECC_MULT_SECURITY_MODE);
} else {
REG_CLR_BIT(ECC_MULT_CONF_REG, ECC_MULT_SECURITY_MODE);
}
}
}
static inline void ecc_ll_read_param(ecc_ll_param_t param, uint8_t *buf, uint16_t len)
{
uint32_t reg;