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- /*
- * Copyright (C) 2017-2022 Alibaba Group Holding Limited
- */
- /******************************************************************************
- * @file drv/ecdh.h
- * @brief Header File for ECDH Driver
- * @version V3.3
- * @date 10.June 2022
- * @model ECC
- ******************************************************************************/
- #ifndef _DRV_ECDH_H_
- #define _DRV_ECDH_H_
- #include <stdint.h>
- #include "common.h"
- #ifdef __cplusplus
- extern "C" {
- #endif
- #define CSI_ECDH_PUBKEY_LEN (65-1)
- #define CSI_ECDH_PRIVKEY_LEN (32)
- #define CSI_ECDH_SHARE_LEN (64)
- #define CSI_ECDH_SHAREKEY_LEN (32)
- /**
- \brief ecdh cacl share secret
- \param[in] ecc ecc handle to operate.
- \param[in] pubkey Pointer to the A public key.
- \param[in] prikey Pointer to the B private key.
- \param[out] shareKey Pointer to the share secret.
- \param[out] len length of the share secret.
- \return Error code \ref csi_error_t
- */
- csi_error_t csi_ecdh_calc_secret(csi_ecc_t *ecc, uint8_t privkey[32], uint8_t pubkey[65], uint8_t shareKey[32], uint32_t *len);
- #ifdef __cplusplus
- extern "C" {
- #endif
- #endif
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