alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2025-10-05 04:49:21 +00:00
Code Issues Packages Projects Releases Wiki Activity

feat(hal): Add LL and HAL layer support for deterministic ECDSA

Browse Source
This commit is contained in:
harshal.patil
2024-03-28 17:52:53 +05:30
parent 95fac15698
commit cd98dfc3fd
8 changed files with 140 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

54
components/hal/esp32p4/include/hal/ecdsa_ll.h
View File

@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -10,6 +10,7 @@
#include "hal/assert.h"
#include "soc/ecdsa_reg.h"
#include "soc/hp_sys_clkrst_struct.h"
#include "soc/soc_caps.h"
#include "hal/ecdsa_types.h"
#ifdef __cplusplus
@@ -216,6 +217,36 @@ static inline void ecdsa_ll_set_z_mode(ecdsa_ll_sha_mode_t mode)
}
}
/**
* @brief Set the signature generation type of ECDSA operation
*
* @param type Type of the ECDSA signature
*/
static inline void ecdsa_ll_set_k_type(ecdsa_sign_type_t type)
{
switch (type) {
case ECDSA_K_TYPE_TRNG:
REG_CLR_BIT(ECDSA_CONF_REG, ECDSA_DETERMINISTIC_K);
break;
case ECDSA_K_TYPE_DETERMINISITIC:
REG_SET_BIT(ECDSA_CONF_REG, ECDSA_DETERMINISTIC_K);
break;
default:
HAL_ASSERT(false && "Unsupported K type");
break;
}
}
/**
* @brief Set the loop number value that is used for deterministic derivation of K
*
* @param loop_number Loop number for deterministic K
*/
static inline void ecdsa_ll_set_deterministic_loop(uint16_t loop_number)
{
REG_SET_FIELD(ECDSA_CONF_REG, ECDSA_DETERMINISTIC_LOOP, loop_number);
}
/**
* @brief Set the stage of ECDSA operation
*
@@ -303,7 +334,7 @@ static inline bool ecdsa_ll_sha_is_busy(void)
/**
* @brief Write the ECDSA parameter
*
* @param param Parameter to be writen
* @param param Parameter to be written
* @param buf Buffer containing data
* @param len Length of buffer
*/
@@ -373,18 +404,27 @@ static inline void ecdsa_ll_read_param(ecdsa_ll_param_t param, uint8_t *buf, uin
}
/**
* @brief Get result of ECDSA verification operation
* @brief Check if the ECDSA operation is successful
*
* This is only valid for ECDSA verify mode
*
* @return - 1, if signature verification succeeds
* @return - 1, if ECDSA operation succeeds
* - 0, otherwise
*/
static inline int ecdsa_ll_get_verification_result(void)
static inline int ecdsa_ll_get_operation_result(void)
{
return REG_GET_BIT(ECDSA_RESULT_REG, ECDSA_OPERATION_RESULT);
}
/**
* @brief Check if the k value is greater than the curve order.
*
* @return 0, k value is not greater than the curve order. In this case, the k value is the set k value.
* @return 1, k value is greater than than the curve order. In this case, the k value is the set (k mod n).
*/
static inline int ecdsa_ll_check_k_value(void)
{
return REG_GET_BIT(ECDSA_RESULT_REG, ECDSA_K_VALUE_WARNING);
}
#ifdef __cplusplus
}
#endif