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