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/*
* Copyright (C) 2017-2024 Alibaba Group Holding Limited
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/******************************************************************************
* @file drv/hmac.h
* @brief Header File for HMAC
* @version V1.0
* @date 27. Apri 2023
* @model hmac
******************************************************************************/
#ifndef _DRV_HMAC_H_
#define _DRV_HMAC_H_
#include <drv/common.h>
#include <drv/dma.h>
#include <drv/sha.h>
#ifdef __cplusplus
extern "C" {
#endif
/****** HMAC Event ******/
typedef enum {
HMAC_EVENT_COMPLETE = 0U, /* Calculate completed */
HMAC_EVENT_ERROR /* Calculate error */
} csi_hmac_event_t;
/****** HMAC Context ******/
typedef struct {
csi_sha_mode_t mode; /* SHA mode */
uint32_t total[2]; /* Number of bytes processed */
uint8_t buffer[128]; /* Data block being processed */
} csi_hmac_context_t;
/****** HMAC Ctrl ******/
typedef struct csi_hmac {
csi_dev_t dev;
void *priv;
}csi_hmac_t;
/**
\brief Initialize MAC Interface. Initializes the resources needed for the MAC interface
\param[in] mac operate handle.
\param[in] idx index of mac
\return error code \ref csi_error_t
*/
csi_error_t csi_hmac_init(csi_hmac_t *mac, uint32_t idx);
/**
\brief De-initialize MAC Interface. stops operation and releases the software resources used by the interface
\param[in] mac mac handle to operate.
\return none
*/
void csi_hmac_uninit(csi_hmac_t *mac);
/**
\brief MAC set key function.
\param[in] mac mac handle to operate.
\param[in] key Pointer to the mac key.
\param[in] key_len Length of key.
\return error code \ref csi_error_t
*/
csi_error_t csi_hmac_set_key(csi_hmac_t *mac, uint8_t *key, uint32_t key_len);
/**
\brief MAC start operation function.
\param[in] mac mac handle to operate.
\param[in] context mac context pointer.
\param[in] mode sc_sha_mode_t.
\return error code \ref csi_error_t
*/
csi_error_t csi_hmac_start(csi_hmac_t *mac, csi_hmac_context_t *context, csi_sha_mode_t mode);
/**
\brief MAC start operation function.
\param[in] mac mac handle to operate.
\param[in] msg Pointer to the mac input message.
\param[in] msg_len Length of msg.
\return error code \ref csi_error_t
*/
csi_error_t csi_hmac_update(csi_hmac_t *mac, csi_hmac_context_t *context, uint8_t *msg, uint32_t msg_len);
/**
\brief MAC start operation function.
\param[in] mac mac handle to operate.
\param[out] out mac buffer, malloc by caller.
\param[out] out_len out mac length,
\return error code \ref csi_error_t
*/
csi_error_t csi_hmac_finish(csi_hmac_t *mac, csi_hmac_context_t *context, uint8_t *out, uint32_t *out_len);
/**
\brief MAC cacl operation function.
\param[in] mac mac handle to operate.
\param[in] mode sc_sha_mode_t.
\param[in] msg Pointer to the mac input message.
\param[in] msg_len Length of msg.
\param[out] out mac buffer, malloc by caller.
\param[out] out_len out mac length,
\return error code \ref csi_error_t
*/
csi_error_t csi_hmac_calc(csi_hmac_t *mac, csi_sha_mode_t mode, uint8_t *msg,
uint32_t msg_len, uint8_t *out, uint32_t *out_len);
#ifdef __cplusplus
}
#endif
#endif /* _SC_MAC_H_ */
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