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269 lines
8.3 KiB
C
Executable File
269 lines
8.3 KiB
C
Executable File
/*
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* Copyright (C) 2017-2020 Alibaba Group Holding Limited
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*/
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/******************************************************************************
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* @file drv/sm2.h
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* @brief Header File for SM2 Driver
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* @version V2.0
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* @date 9. DEC 2020
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* @model SM2
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******************************************************************************/
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#ifndef _DRV_SM2_H_
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#define _DRV_SM2_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_SM2_PUBKEY_LEN (65-1)
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#define CSI_SM2_PRIVKEY_LEN (32)
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#define CSI_SM2_PUBKEYTMP_LEN (65)
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#define CSI_SM2_RK_LEN (32) //random
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#define CSI_SM2_SIGNATURE_LEN (64)
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#define CSI_SM2_DIGEST_LEN (32)
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#define SM2_PRIME_CURVE_G_BYTES (64)
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#define SM2_PRIME_CURVE_N_BYTES (32)
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typedef struct {
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uint32_t sm2_curve : 1; ///< supports 256bits curve
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} sm2_capabilities_t;
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/**
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\brief SM2 ciphertext order
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*/
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typedef enum {
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SM2_C1C3C2 = 0,
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SM2_C1C2C3,
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} sm2_cipher_order_e;
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typedef enum {
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SM2_ENDIAN_LITTLE = 0, ///< Little Endian
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SM2_ENDIAN_BIG ///< Big Endian
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} sm2_endian_mode_e;
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/**
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\brief SM2 status
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*/
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typedef struct {
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uint32_t busy : 1; ///< Calculate busy flag
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} csi_sm2_state_t;
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/**
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\brief SM2 key exchange role
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*/
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typedef enum { SM2_Role_Sponsor = 0, SM2_Role_Responsor } sm2_exchange_role_e;
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/****** SM2 Event *****/
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typedef enum {
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SM2_EVENT_MAKE_KEY_COMPLETE = 0, ///< Make key completed
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SM2_EVENT_ENCRYPT_COMPLETE, ///< Encrypt completed
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SM2_EVENT_DECRYPT_COMPLETE, ///< Decrypt completed
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SM2_EVENT_SIGN_COMPLETE, ///< Sign completed
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SM2_EVENT_VERIFY_COMPLETE, ///< Verify completed
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SM2_EVENT_EXCHANGE_KEY_COMPLETE, ///< Exchange key completed
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} sm2_event_e;
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typedef struct {
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csi_dev_t dev;
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void * cb;
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void * arg;
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csi_sm2_state_t state;
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void * prim;
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} csi_sm2_t;
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///< Pointer to \ref csi_sm2_callback_t : SM2 Event call back.
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typedef void (*csi_sm2_callback_t)(sm2_event_e event);
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/**
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\brief Initialize SM2.
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\param[in] sm2 sm2 handle to operate.
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\param[in] idx device id
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\return \ref uint32_t
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*/
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csi_error_t csi_sm2_init(csi_sm2_t *sm2, uint32_t idx);
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/**
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\brief De-initialize SM2 Interface. stops operation and releases the software resources used by the interface
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\param[in] sm2 sm2 handle to operate.
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\return none
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*/
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void csi_sm2_uninit(csi_sm2_t *sm2);
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/**
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\brief sm2 get capability.
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\param[in] sm2 Operate handle.
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\return \ref uint32_t
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*/
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csi_error_t csi_sm2_config(csi_sm2_t *sm2, sm2_cipher_order_e co,
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sm2_endian_mode_e endian);
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/**
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\brief Attach the callback handler to SM2
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\param[in] sm2 Operate handle.
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\param[in] cb Callback function
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\param[in] arg User can define it by himself as callback's param
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\return Error code \ref csi_error_t
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*/
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csi_error_t csi_sm2_attach_callback(csi_sm2_t *sm2, csi_sm2_callback_t cb, void *arg);
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/**
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\brief Detach the callback handler
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\param[in] sm2 Operate handle.
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\return none
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*/
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void csi_sm2_detach_callback(csi_sm2_t *sm2);
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/**
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\brief sm2 get capability.
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\param[in] sm2 Operate handle.
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\param[out] cap Pointer of sm2_capabilities_t.
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\return Error code \ref csi_error_t
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*/
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csi_error_t csi_sm2_get_capabilities(csi_sm2_t *sm2, sm2_capabilities_t *cap);
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/**
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\brief check whether the public key and private key are a pair.
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\param[in] sm2 sm2 handle to operate.
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\param[in] private Pointer to the sm2 private key, alloc by caller.
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\param[in] public Pointer to the sm2 public key, alloc by caller.
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\return Error code \ref csi_error_t
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*/
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csi_error_t csi_sm2_check_keypair(csi_sm2_t *sm2, uint8_t pubkey[65], uint8_t prikey[32]);
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/**
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\brief generate sm2 key.
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\param[in] sm2 sm2 handle to operate.
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\param[out] private Pointer to the sm2 private key, alloc by caller.
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\param[out] public Pointer to the sm2 public key, alloc by caller.
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\return Error code \ref csi_error_t
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*/
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csi_error_t csi_sm2_gen_key(csi_sm2_t *sm2, uint8_t pubkey[65], uint8_t prikey[32]);
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/**
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\brief sm2 sign
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\param[in] sm2 sm2 handle to operate.
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\param[in] d Pointer to the digest.
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\param[out] privkey Pointer to the private key
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\param[out] s Pointer to the signature
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\return Error code \ref csi_error_t
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*/
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csi_error_t csi_sm2_sign(csi_sm2_t *sm2, uint8_t d[32], uint8_t prikey[32], uint8_t s[64]);
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/**
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\brief sm2 sign
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\param[in] sm2 sm2 handle to operate.
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\param[in] d Pointer to the digest.
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\param[out] privkey Pointer to the private key
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\param[out] s Pointer to the signature
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\return Error code \ref csi_error_t
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*/
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csi_error_t csi_sm2_sign_async(csi_sm2_t *sm2, uint8_t d[32], uint8_t prikey[32], uint8_t s[64]);
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/* TODO */
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/**
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\brief sm2 verify
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\param[in] sm2 sm2 handle to operate.
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\param[in] d Pointer to the digest.
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\param[out] privkey Pointer to the private key
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\param[out] s Pointer to the signature
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\return verify result
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*/
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bool csi_sm2_verify(csi_sm2_t *sm2, uint8_t d[32], uint8_t pubkey[65], uint8_t s[64]);
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/**
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\brief sm2 verify
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\param[in] sm2 sm2 handle to operate.
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\param[in] d Pointer to the digest.
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\param[out] privkey Pointer to the private key
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\param[out] s Pointer to the signature
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\return verify result
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*/
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bool csi_sm2_verify_async(csi_sm2_t *sm2, uint8_t d[32], uint8_t pubkey[65], uint8_t s[64]);
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/**
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\brief sm2 encrypto
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\param[in] sm2 sm2 handle to operate.
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\param[in] Plain Pointer to the plaintext.
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\param[in] PlainByteLen plaintext len
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\param[in] pubKey public key.
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\param[out] Cipher Pointer to the chipher
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\param[out] CipherByteLen Pointer to the chipher len.
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\return Error code \ref csi_error_t
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*/
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csi_error_t csi_sm2_encrypt(csi_sm2_t *sm2, uint8_t *Plain,
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uint32_t PlainByteLen, uint8_t pubKey[65],
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uint8_t *Cipher, uint32_t *CipherByteLen);
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/**
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\brief sm2 encrypto
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\param[in] sm2 sm2 handle to operate.
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\param[in] Cipher Pointer to the chipher
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\param[in] CipherByteLen chipher len.
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\param[in] prikey private key.
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\param[out] Plain Pointer to the plaintext.
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\param[out] PlainByteLen plaintext len
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\return Error code \ref csi_error_t
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*/
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csi_error_t csi_sm2_decrypt(csi_sm2_t *sm2, uint8_t *Cipher,
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uint32_t CipherByteLen, uint8_t prikey[32],
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uint8_t *Plain, uint32_t *PlainByteLen);
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/**
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\brief sm2 key exchange
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\param[in] sm2 sm2 handle to operate.
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\return Error code \ref csi_error_t
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*/
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csi_error_t csi_sm2_exchangekey(csi_sm2_t *sm2, sm2_exchange_role_e role,
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uint8_t *dA, uint8_t *PB, uint8_t *rA,
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uint8_t *RA, uint8_t *RB, uint8_t *ZA,
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uint8_t *ZB, uint32_t kByteLen, uint8_t *KA,
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uint8_t *S1, uint8_t *SA);
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/**
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\brief sm2 key exchange get Z.
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\param[in] sm2 sm2 handle to operate.
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\return Error code \ref csi_error_t
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*/
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csi_error_t csi_sm2_getZ(csi_sm2_t *sm2, uint8_t *ID, uint32_t byteLenofID,
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uint8_t pubKey[65], uint8_t Z[32]);
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/**
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\brief sm2 key exchange get E
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\param[in] sm2 sm2 handle to operate.
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\return Error code \ref csi_error_t
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*/
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csi_error_t csi_sm2_getE(csi_sm2_t *sm2, uint8_t *M, uint32_t byteLen,
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uint8_t Z[32], uint8_t E[32]);
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/**
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\brief Get SM2 state.
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\param[in] sm2 SM2 handle to operate.
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\param[out] state SM2 state \ref csi_sm2_state_t.
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\return Error code \ref csi_error_t
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*/
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csi_error_t csi_sm2_get_state(csi_sm2_t *sm2, csi_sm2_state_t *state);
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/**
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\brief Enable sm2 power manage
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\param[in] sm2 SM2 handle to operate.
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\return Error code \ref csi_error_t
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*/
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csi_error_t csi_sm2_enable_pm(csi_sm2_t *sm2);
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/**
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\brief Disable sm2 power manage
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\param[in] sm2 SM2 handle to operate.
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*/
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void csi_sm2_disable_pm(csi_sm2_t *sm2);
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#ifdef __cplusplus
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extern "C" {
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#endif
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#endif |