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/*
* Copyright (C) 2017-2021 Alibaba Group Holding Limited
*/
/******************************************************************************
* @file keyram.h
* @brief CSI Source File for kdf Driver
* @version V1.0
* @date 12. MAR 2021
******************************************************************************/
#include "drv/kdf.h"
#include <stdio.h>
#include <string.h>
#define KDF_CON 0x000
#define KDF_KEYTRANSFER 0x004
#define KDF_KEYINDEX 0x008
#define KDF_INTCON 0x00C
#define KDF_ZONE1SADDR 0x020
#define KDF_ZONE2SADDR 0x030
#define KDF_ZONE3SADDR 0x040
#define KDF_RAMENC_KEY0H 0x058
#define KDF_RAMENC_KEY0L 0x05c
#define KDF_RAMENC_KEY1H 0x060
#define KDF_RAMENC_KEY1L 0x064
#define KDF_RAMENC_KEY2H 0x068
#define KDF_RAMENC_KEY2L 0x06c
#define KDF_RAMENC_KEY3H 0x070
#define KDF_RAMENC_KEY3L 0x074
#define KDF_MASK_RNG0 0x080
#define KDF_MASK_RNG1 0x084
#define KDF_MASK_RNG2 0x088
#define KDF_MASK_RNG3 0x08c
#define KDF_MASK_RNG4 0x090
#define KDF_MASK_RNG5 0x094
#define KDF_MASK_RNG6 0x098
#define KDF_MASK_RNG7 0x09c
#define KDF_STA 0x0a0
#define KDF_IPID 0x0fc
#define KDF_RAM 0x8000
/**
* @brief keyram init.
*
* @return uint32_t
*/
uint32_t keyram_init();
/**
* @brief keyram set key.
*
* @param key
* @param len
* @return uint32_t
*/
uint32_t keyram_set_key(csi_kdf_derived_key_t key, uint32_t len);
/**
* @brief get key addr in keyram.
*
* @param key
* @param addr
* @return uint32_t
*/
uint32_t keyram_get_key_addr(csi_kdf_derived_key_t key, uint64_t *addr);
/**
* @brief Clear key in keyram.
*
* @return uint32_t
*/
uint32_t keyram_clear();
/**
* @brief Uninit. This function will lock KDF.
*/
void keyram_uninit();
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