hal_des.h

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#ifndef __HAL_DES_H__
#define __HAL_DES_H__
#include "hal_platform.h"

#ifdef HAL_DES_MODULE_ENABLED

#ifdef HAL_DES_USE_PHYSICAL_MEMORY_ADDRESS

#else

#endif

#include "hal_define.h"

#ifdef __cplusplus
extern "C" {
#endif

#define HAL_DES_BLOCK_SIZES      (8)

#define HAL_DES_KEY_LENGTH_64    (8)

#define HAL_DES_KEY_LENGTH_128   (16)

#define HAL_DES_KEY_LENGTH_192   (24)

#define HAL_DES_CBC_IV_LENGTH    (8)

typedef enum {
    HAL_DES_STATUS_ERROR = -1,      
    HAL_DES_STATUS_OK = 0           
} hal_des_status_t;

typedef struct {
    uint8_t *buffer;  
    uint32_t length;  
} hal_des_buffer_t;

hal_des_status_t hal_des_cbc_encrypt(hal_des_buffer_t *encrypted_text,
                                     hal_des_buffer_t *plain_text,
                                     hal_des_buffer_t *key,
                                     uint8_t init_vector[HAL_DES_CBC_IV_LENGTH]);

hal_des_status_t hal_des_cbc_decrypt(hal_des_buffer_t *plain_text,
                                     hal_des_buffer_t *encrypted_text,
                                     hal_des_buffer_t *key,
                                     uint8_t init_vector[HAL_DES_CBC_IV_LENGTH]);


hal_des_status_t hal_des_ecb_encrypt(hal_des_buffer_t *encrypted_text,
                                     hal_des_buffer_t *plain_text,
                                     hal_des_buffer_t *key);

hal_des_status_t hal_des_ecb_decrypt(hal_des_buffer_t *plain_text,
                                     hal_des_buffer_t *encrypted_text,
                                     hal_des_buffer_t *key);



#ifdef __cplusplus
}
#endif

#endif /*HAL_DES_MODULE_ENABLED*/
#endif /* __HAL_DES_H__ */