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/*
* Copyright (C) 2017-2021 Alibaba Group Holding Limited
*/
/******************************************************************************
* @file drv/aes.h
* @brief Header File for AES Driver
* @version V1.0
* @date 9. Oct 2020
* @model aes
******************************************************************************/
#ifndef _DRV_AES_H_
#define _DRV_AES_H_
#include <stdint.h>
#include <drv/common.h>
#ifdef __cplusplus
extern "C" {
#endif
/*----- Encrypt & Decrypt: Config key length -----*/
typedef enum {
AES_KEY_LEN_BITS_128 = 0, ///< 128 Data bits
AES_KEY_LEN_BITS_192, ///< 192 Data bits
AES_KEY_LEN_BITS_256 ///< 256 Data bits
} csi_aes_key_bits_t;
/**
\brief AES Ctrl Block
*/
typedef struct {
csi_dev_t dev;
void *priv;
} csi_aes_t;
/**
\brief Initialize AES interface. Initializes the resources needed for the AES interface
\param[in] aes Handle to operate
\param[in] idx Device id
\return Error code \ref csi_error_t
*/
csi_error_t csi_aes_init(csi_aes_t *aes, uint32_t idx);
/**
\brief De-initialize AES interface. Stops operation and releases the software resources used by the interface
\param[in] aes Dandle to operate
\return None
*/
void csi_aes_uninit(csi_aes_t *aes);
/**
\brief Set encrypt key
\param[in] aes Handle to operate
\param[in] key Pointer to the key buf
\param[in] key_len Pointer to \ref csi_aes_key_bits_t
\return Error code \ref Csi_error_t
*/
csi_error_t csi_aes_set_encrypt_key(csi_aes_t *aes, void *key, csi_aes_key_bits_t key_len);
/**
\brief Set decrypt key
\param[in] aes Handle to operate
\param[in] key Pointer to the key buf
\param[in] key_len Pointer to \ref csi_aes_key_bits_t
\return Error code \ref Csi_error_t
*/
csi_error_t csi_aes_set_decrypt_key(csi_aes_t *aes, void *key, csi_aes_key_bits_t key_len);
/**
\brief AES ecb encrypt
\param[in] aes Handle to operate
\param[in] in Pointer to the source data
\param[out] out Pointer to the result data
\param[in] size The source data size
\return Error code \ref Csi_error_t
*/
csi_error_t csi_aes_ecb_encrypt(csi_aes_t *aes, void *in, void *out, uint32_t size);
/**
\brief AES ecb decrypt
\param[in] aes Handle to operate
\param[in] in Pointer to the source data
\param[out] out Pointer to the result data
\param[in] size The source data size
\return Error code \ref Csi_error_t
*/
csi_error_t csi_aes_ecb_decrypt(csi_aes_t *aes, void *in, void *out, uint32_t size);
/**
\brief AES cbc encrypt
\param[in] aes Handle to operate
\param[in] in Pointer to the source data
\param[out] out Pointer to the result data
\param[in] size The source data size
\param[in] iv Init vector
\return Error code \ref Csi_error_t
*/
csi_error_t csi_aes_cbc_encrypt(csi_aes_t *aes, void *in, void *out, uint32_t size, void *iv);
/**
\brief AES cbc decrypt
\param[in] aes Handle to operate
\param[in] in Pointer to the source data
\param[out] out Pointer to the result data
\param[in] size The source data size
\param[in] iv Init vector
\return Error code \ref Csi_error_t
*/
csi_error_t csi_aes_cbc_decrypt(csi_aes_t *aes, void *in, void *out, uint32_t size, void *iv);
/**
\brief AES cfb1 encrypt
\param[in] aes Handle to operate
\param[in] in Pointer to the source data
\param[out] out Pointer to the result data
\param[in] size The source data size
\param[in] iv Init vector
\return Error code \ref Csi_error_t
*/
csi_error_t csi_aes_cfb1_encrypt(csi_aes_t *aes, void *in, void *out, uint32_t size, void *iv);
/**
\brief AES cfb1 decrypt
\param[in] aes Handle to operate
\param[in] in Pointer to the source data
\param[out] out Pointer to the result data
\param[in] size The source data size
\param[in] iv Init vector
\return Error code \ref Csi_error_t
*/
csi_error_t csi_aes_cfb1_decrypt(csi_aes_t *aes, void *in, void *out, uint32_t size, void *iv);
/**
\brief AES cfb8 encrypt
\param[in] aes Handle to operate
\param[in] in Pointer to the source data
\param[out] out Pointer to the result data
\param[in] size The source data size
\param[in] iv Init vector
\return Error code \ref Csi_error_t
*/
csi_error_t csi_aes_cfb8_encrypt(csi_aes_t *aes, void *in, void *out, uint32_t size, void *iv);
/**
\brief AES cfb8 decrypt
\param[in] aes Handle to operate
\param[in] in Pointer to the source data
\param[out] out Pointer to the result data
\param[in] size The source data size
\param[in] iv Init vector
\return Error code \ref Csi_error_t
*/
csi_error_t csi_aes_cfb8_decrypt(csi_aes_t *aes, void *in, void *out, uint32_t size, void *iv);
/**
\brief AES cfb128 decrypt
\param[in] aes Handle to operate
\param[in] in Pointer to the source data
\param[out] out Pointer to the result data
\param[in] size The source data size
\param[in] iv Init vector
\param[out] num The number of the 128-bit block we have used
\return Error code \ref csi_error_t
*/
csi_error_t csi_aes_cfb128_decrypt(csi_aes_t *aes, void *in, void *out, uint32_t size, void *iv, uint32_t *num);
/**
\brief AES cfb128 encrypt
\param[in] aes Handle to operate
\param[in] in Pointer to the source data
\param[out] out Pointer to the result data
\param[in] size The source data size
\param[in] iv Init vector
\param[out] num The number of the 128-bit block we have used
\return Error code \ref csi_error_t
*/
csi_error_t csi_aes_cfb128_encrypt(csi_aes_t *aes, void *in, void *out, uint32_t size, void *iv, uint32_t *num);
/**
\brief AES ofb encrypt
\param[in] aes Handle to operate
\param[in] in Pointer to the source data
\param[out] out Pointer to the result data
\param[in] size The source data size
\param[in] iv Init vector
\param[out] num The number of the 128-bit block we have used
\return Error code \ref csi_error_t
*/
csi_error_t csi_aes_ofb_encrypt(csi_aes_t *aes, void *in, void *out, uint32_t size, void *iv, uint32_t *num);
/**
\brief AES ofb decrypt
\param[in] aes Handle to operate
\param[in] in Pointer to the source data
\param[out] out Pointer to the result data
\param[in] size The source data size
\param[in] iv Init vector
\param[out] num The number of the 128-bit block we have used
\return Error code \ref csi_error_t
*/
csi_error_t csi_aes_ofb_decrypt(csi_aes_t *aes, void *in, void *out, uint32_t size, void *iv, uint32_t *num);
/**
\brief AES ctr encrypt
\param[in] aes Handle to operate
\param[in] in Pointer to the source data
\param[out] out Pointer to the result data
\param[in] size The source data size
\param[in] nonce_counter Pointer to the 128-bit nonce and counter
\param[in] stream_block Pointer to the saved stream-block for resuming
\param[in] iv Init vector
\param[out] num The number of the 128-bit block we have used
\return Error code \ref csi_error_t
*/
csi_error_t csi_aes_ctr_encrypt(csi_aes_t *aes,
void *in,
void *out,
uint32_t size,
uint8_t nonce_counter[16],
uint8_t stream_block[16],
void *iv,
uint32_t *num);
/**
\brief AES ctr decrypt
\param[in] aes Handle to operate
\param[in] in Pointer to the source data
\param[out] out Pointer to the result data
\param[in] size The source data size
\param[in] nonce_counter Pointer to the 128-bit nonce and counter
\param[in] stream_block Pointer to the saved stream-block for resuming
\param[in] iv Init vecotr
\param[out] num The number of the 128-bit block we have used
\return Error code \ref csi_error_t
*/
csi_error_t csi_aes_ctr_decrypt(csi_aes_t *aes,
void *in,
void *out,
uint32_t size,
uint8_t nonce_counter[16],
uint8_t stream_block[16],
void *iv,
uint32_t *num);
/**
\brief Enable AES power manage
\param[in] aes Handle to operate
\return Error code \ref csi_error_t
*/
csi_error_t csi_aes_enable_pm(csi_aes_t *aes);
/**
\brief Disable AES power manage
\param[in] aes Handle to operate
\return None
*/
void csi_aes_disable_pm(csi_aes_t *aes);
#ifdef __cplusplus
}
#endif
#endif /* _DRV_AES_H_ */
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