111 lines
2.9 KiB
C
Executable File
111 lines
2.9 KiB
C
Executable File
/*
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* Copyright (c) 2006-2023, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2019-04-23 tyx the first version
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*/
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#ifndef __HW_HASH_H__
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#define __HW_HASH_H__
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#include <hwcrypto.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct hwcrypto_hash;
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struct hwcrypto_hash_ops
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{
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rt_err_t (*update)(struct hwcrypto_hash *hash_ctx,
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const rt_uint8_t *in, rt_size_t length); /**< Processing a packet of data */
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rt_err_t (*finish)(struct hwcrypto_hash *hash_ctx,
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rt_uint8_t *out, rt_size_t length); /**< Get the final hash value */
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};
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/**
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* @brief hash context. Hardware driver usage
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*/
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struct hwcrypto_hash
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{
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struct rt_hwcrypto_ctx parent; /**< Inheritance from hardware crypto context */
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const struct hwcrypto_hash_ops *ops; /**< !! Hardware initializes this value when creating context !! */
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};
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/**
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* @brief Creating hash Context
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*
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* @param device Hardware crypto device
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* @param type Type of hash context
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*
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* @return Hash context
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*/
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struct rt_hwcrypto_ctx *rt_hwcrypto_hash_create(struct rt_hwcrypto_device *device,
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hwcrypto_type type);
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/**
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* @brief Destroy hash Context
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*
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* @param ctx Hash context
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*/
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void rt_hwcrypto_hash_destroy(struct rt_hwcrypto_ctx *ctx);
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/**
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* @brief Get the final hash value
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*
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* @param ctx Hash context
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* @param output Hash value buffer
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* @param length Hash value buffer length
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*
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* @return RT_EOK on success.
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*/
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rt_err_t rt_hwcrypto_hash_finish(struct rt_hwcrypto_ctx *ctx, rt_uint8_t *output, rt_size_t length);
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/**
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* @brief Processing a packet of data
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*
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* @param ctx Hash context
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* @param input Data buffer to be Processed
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* @param length Data Buffer length
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*
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* @return RT_EOK on success.
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*/
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rt_err_t rt_hwcrypto_hash_update(struct rt_hwcrypto_ctx *ctx, const rt_uint8_t *input, rt_size_t length);
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/**
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* @brief This function copy hash context
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*
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* @param des The destination hash context
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* @param src The hash context to be copy
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*
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* @return RT_EOK on success.
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*/
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rt_err_t rt_hwcrypto_hash_cpy(struct rt_hwcrypto_ctx *des, const struct rt_hwcrypto_ctx *src);
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/**
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* @brief Reset hash context
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*
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* @param ctx Hash context
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*/
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void rt_hwcrypto_hash_reset(struct rt_hwcrypto_ctx *ctx);
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/**
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* @brief Setting hash context type
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*
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* @param ctx Hash context
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* @param type Types of settings
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*
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* @return RT_EOK on success.
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*/
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rt_err_t rt_hwcrypto_hash_set_type(struct rt_hwcrypto_ctx *ctx, hwcrypto_type type);
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#ifdef __cplusplus
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}
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#endif
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#endif
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