feat(hal/ecc): Support ECC hardware constant-time point multiplication operations

2024-07-05 15:54:22 +05:30
parent 3000402fcf
commit 2bf6a3cf8b
8 changed files with 50 additions and 2 deletions
@@ -148,6 +148,15 @@ static inline void ecc_ll_set_mod_base(ecc_mod_base_t base)
    }
 }

+static inline void ecc_ll_enable_constant_time_point_mul(bool enable)
+{
+    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_write_param(ecc_ll_param_t param, const uint8_t *buf, uint16_t len)
 {
    uint32_t reg;