rt-thread/components/drivers/hwcrypto/hw_hash.c

112 lines
2.7 KiB
C

/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2019-04-23 tyx the first version
*/
#include <rtthread.h>
#include <rtdevice.h>
#include <hw_hash.h>
/**
* @brief Creating hash Context
*
* @param device Hardware crypto device
* @param type Type of hash context
*
* @return Hash context
*/
struct rt_hwcrypto_ctx *rt_hwcrypto_hash_create(struct rt_hwcrypto_device *device, hwcrypto_type type)
{
struct rt_hwcrypto_ctx *ctx;
ctx = rt_hwcrypto_ctx_create(device, type, sizeof(struct hwcrypto_hash));
return ctx;
}
/**
* @brief Destroy hash Context
*
* @param ctx Hash context
*/
void rt_hwcrypto_hash_destroy(struct rt_hwcrypto_ctx *ctx)
{
rt_hwcrypto_ctx_destroy(ctx);
}
/**
* @brief Get the final hash value
*
* @param ctx Hash context
* @param output Hash value buffer
* @param length Hash value buffer length
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_hash_finish(struct rt_hwcrypto_ctx *ctx, rt_uint8_t *output, rt_size_t length)
{
if (ctx && ((struct hwcrypto_hash *)ctx)->ops->finish)
{
return ((struct hwcrypto_hash *)ctx)->ops->finish((struct hwcrypto_hash *)ctx, output, length);
}
return -RT_ERROR;
}
/**
* @brief Processing a packet of data
*
* @param ctx Hash context
* @param input Data buffer to be Processed
* @param length Data Buffer length
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_hash_update(struct rt_hwcrypto_ctx *ctx, const rt_uint8_t *input, rt_size_t length)
{
if (ctx && ((struct hwcrypto_hash *)ctx)->ops->update)
{
return ((struct hwcrypto_hash *)ctx)->ops->update((struct hwcrypto_hash *)ctx, input, length);
}
return -RT_ERROR;
}
/**
* @brief This function copy hash context
*
* @param des The destination hash context
* @param src The hash context to be copy
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_hash_cpy(struct rt_hwcrypto_ctx *des, const struct rt_hwcrypto_ctx *src)
{
return rt_hwcrypto_ctx_cpy(des, src);
}
/**
* @brief Reset hash context
*
* @param ctx Hash context
*/
void rt_hwcrypto_hash_reset(struct rt_hwcrypto_ctx *ctx)
{
rt_hwcrypto_ctx_reset(ctx);
}
/**
* @brief Setting hash context type
*
* @param ctx Hash context
* @param type Types of settings
*
* @return RT_EOK on success.
*/
rt_err_t rt_hwcrypto_hash_set_type(struct rt_hwcrypto_ctx *ctx, hwcrypto_type type)
{
return rt_hwcrypto_set_type(ctx, type);
}