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https://github.com/revyos/th1520-vendor-uboot.git
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156 lines
4.8 KiB
C
156 lines
4.8 KiB
C
/*
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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/sm3.h
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* @brief Header File for SM3 Driver
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* @version V2.0
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* @date 9. DEC 2020
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* @model SM3
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******************************************************************************/
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#ifndef _DRV_SM3_H_
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#define _DRV_SM3_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 SM3_DATAIN_BLOCK_SIZE (64)
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#define SM3_DIGEST_OUT_SIZE (32)
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typedef struct {
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uint32_t total[2]; /*Number of bytes processed*/
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uint32_t state[16]; /*Intermediate digest state*/
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uint8_t buffer[SM3_DATAIN_BLOCK_SIZE]; /*Data block beingprocessed*/
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uint8_t result[SM3_DIGEST_OUT_SIZE]; /*Data block has processed*/
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} csi_sm3_context_t;
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/****** SM3 State ******/
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typedef struct {
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uint32_t busy : 1; /*Calculate busy flag*/
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uint32_t error : 1; /*Calculate error flag*/
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} csi_sm3_state_t;
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/****** SM3 Event ******/
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typedef enum {
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SM3_EVENT_COMPLETE = 0U, /*Calculate completed*/
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SM3_EVENT_UPDATE,
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SM3_EVENT_START,
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SM3_EVENT_ERROR /*Calculate error*/
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} csi_sm3_event_t;
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typedef struct csi_sm3_t csi_sm3_t;
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struct csi_sm3_t {
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csi_dev_t dev; /*SM3 hw-device info*/
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void (*callback)(csi_sm3_t *sm3, csi_sm3_event_t event,
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void *arg); /*SM3 event callback for user*/
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void * arg; /*SM3 custom designed param passed to evt_cb*/
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csi_sm3_state_t state; /*SM3 state*/
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void * priv;
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};
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/*Function documentation*/
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/**
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\brief Initialize SM3 Interface. Initializes the resources needed for the SM3 interface
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\param[in] sm3 operate handle.
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\param[in] idx index of sm3
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\return error code \ref csi_error_t
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*/
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csi_error_t csi_sm3_init(csi_sm3_t *sm3, uint32_t idx);
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/**
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\brief De-initialize SM3 Interface. stops operation and releases the software resources used by the interface
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\param[in] sm3 sm3 handle to operate.
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\return none
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*/
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void csi_sm3_uninit(csi_sm3_t *sm3);
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/**
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\brief Attach the callback handler to SM3
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\param[in] sm3 Handle to operate
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\param[in] callback Callback function
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\param[in] arg 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_sm3_attach_callback(csi_sm3_t *sm3, void *callback, void *arg);
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/**
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\brief Detach the callback handler
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\param[in] sm3 Handle to operate
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\return None
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*/
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void csi_sm3_detach_callback(csi_sm3_t *sm3);
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/**
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\brief start the engine
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\param[in] sm3 sm3 handle to .operate
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\param[in] context Pointer to the sm3 context \ref csi_sm3_context_t
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\return error code \ref csi_error_t
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*/
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csi_error_t csi_sm3_start(csi_sm3_t *sm3, csi_sm3_context_t *context);
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/**
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\brief update the engine
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\param[in] sm3 sm3 handle to operate.
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\param[in] context Pointer to the sm3 context \ref csi_sm3_context_t
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\param[in] input Pointer to the Source data
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\param[in] size the data size
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\return error code \ref csi_error_t
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*/
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csi_error_t csi_sm3_update(csi_sm3_t *sm3, csi_sm3_context_t *context, const uint8_t *input, uint32_t size);
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/**
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\brief Accumulate the engine (async mode)
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\param[in] sm3 Handle to operate
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\param[in] context Pointer to the SM3 context \ref csi_sm3_context_t
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\param[in] input Pointer to the Source data
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\param[in] size The data size
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\return Error code \ref csi_error_t
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*/
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csi_error_t csi_sm3_update_async(csi_sm3_t *sm3, csi_sm3_context_t *context, const uint8_t *input, uint32_t size);
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/**
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\brief finish the engine
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\param[in] sm3 sm3 handle to operate.
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\param[in] context Pointer to the sm3 context \ref csi_sm3_context_t
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\param[out] output Pointer to the result data
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\param[out] out_size Pointer to the result data size(bytes)
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\return error code \ref csi_error_t
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*/
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csi_error_t csi_sm3_finish(csi_sm3_t *sm3, csi_sm3_context_t *context, uint8_t *output, uint32_t *out_size);
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/**
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\brief Get SM3 state
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\param[in] sm3 Handle to operate
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\param[out] state SM3 state \ref csi_sm3_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_sm3_get_state(csi_sm3_t *sm3, csi_sm3_state_t *state);
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/**
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\brief Enable SM3 power manage
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\param[in] sm3 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_sm3_enable_pm(csi_sm3_t *sm3);
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/**
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\brief Disable SM3 power manage
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\param[in] sm3 Handle to operate
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\return None
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*/
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void csi_sm3_disable_pm(csi_sm3_t *sm3);
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#ifdef __cplusplus
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}
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#endif
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#endif //_DRV_SM3_H
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