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/*
* Copyright (C) 2017-2020 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 "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;
typedef enum{
AES_MODE_ECB = 0,
AES_MODE_CBC = 0x20000020,
AES_MODE_CTR = 0x200001c0,
AES_MODE_CFB = 0x20000400,
AES_MODE_GCM = 0x20030040,
AES_MODE_CCM = 0x21D40040,
AES_MODE_OFB = 0x24000000,
} aes_mode_t;
#define AES_KEY_LEN_BYTES_32 32
#define AES_KEY_LEN_BYTES_24 24
#define AES_KEY_LEN_BYTES_16 16
#define AES_CRYPTO_CTRL_CBC_256 0x20000038
#define AES_CRYPTO_CTRL_CBC_192 0x20000030
#define AES_CRYPTO_CTRL_CBC_128 0x20000028
#define AES_CRYPTO_CTRL_ECB_256 0x00000018
#define AES_CRYPTO_CTRL_ECB_192 0x00000010
#define AES_CRYPTO_CTRL_ECB_128 0x00000008
#define AES_BLOCK_IV_SIZE 16
#define AES_BLOCK_TAG_SIZE 16
#define AES_BLOCK_CRYPTO_SIZE 16
#define AES_DIR_ENCRYPT 1
#define AES_DIR_DECRYPT 0
#define KEY_128_BITS 0x8
#define KEY_192_BITS 0x10
#define KEY_256_BITS 0x18
#define AES_DMA_ENABLE 1
#define AES_DMA_DISABLE 0
typedef enum{
AES_CRYPTO_ECB_256_MODE = 0,
AES_CRYPTO_ECB_192_MODE,
AES_CRYPTO_ECB_128_MODE,
AES_CRYPTO_CBC_256_MODE,
AES_CRYPTO_CBC_192_MODE,
AES_CRYPTO_CBC_128_MODE,
} csi_aes_mode_t;
typedef struct {
uint32_t busy : 1; ///< Calculate busy flag
uint32_t error : 1; ///< Calculate error flag
} csi_aes_state_t;
typedef struct {
uint32_t key_len_byte;
uint8_t key[32]; ///< Data block being processed
uint32_t sca;
uint32_t is_kdf;
uint32_t is_dma;
} csi_aes_context_t;
/**
\brief AES Ctrl Block
*/
typedef struct {
csi_aes_state_t state;
csi_aes_context_t context;
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
\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);
/**
\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
\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);
/**
\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[in] key_len key bits
\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);
/**
\brief Aes ofb decrypt
\param[in] dev_aes dev_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[in] key_len key bits
\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);
/**
\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] iv Init vector
\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,void *iv);
/**
\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] iv Init vecotr
\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,void *iv);
/**
\brief Aes gcm encrypt
\param[in] dev_aes dev_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_gcm_encrypt(csi_aes_t *aes, void *in, void *out,uint32_t size, uint32_t add_len, void *iv);
/**
\brief Aes gcm decrypt
\param[in] dev_aes dev_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 vecotr
\return error code \ref csi_error_t
*/
csi_error_t csi_aes_gcm_decrypt(csi_aes_t *aes, void *in, void *out,uint32_t size, uint32_t add_len, void *iv);
/**
\brief Aes ccm encrypt
\param[in] dev_aes dev_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[in] tag_out tag output
\return error code \ref csi_error_t
*/
csi_error_t csi_aes_ccm_encrypt(csi_aes_t *aes, void *in, void *out,uint32_t size, uint32_t add_len, void *iv, uint8_t *tag_out);
/**
\brief Aes ccm decrypt
\param[in] dev_aes dev_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 vecotr
\param[in] tag_out tag output
\return error code \ref csi_error_t
*/
csi_error_t csi_aes_ccm_decrypt(csi_aes_t *aes, void *in, void *out,uint32_t size, uint32_t add_len, void *iv, uint8_t *tag_out);
/**
\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);
/**
\brief Config AES mode dma or slave
\param[in] dam_en zero disable dma, not zero enable dma
\return None
*/
void csi_aes_dma_enable(csi_aes_t *aes, uint8_t dma_en);
#ifdef __cplusplus
}
#endif
#endif /* _DRV_AES_H_ */
|
