aes.h File Reference

AVR XMEGA Advanced Encryption Standard (AES) driver.

Copyright (c) 2010-2018 Microchip Technology Inc. and its subsidiaries.

#include <compiler.h>

Functions
AES Function Define
static void	aes_start (void)
	Start a decryption/encryption operation. More...
static void	aes_software_reset (void)
	Reset all registers in AES module. More...
static bool	aes_is_busy (void)
	Check if the AES module is busy. More...
static bool	aes_is_error (void)
	Check if the AES module has encountered an error. More...
static void	aes_clear_interrupt_flag (void)
	Clear the AES state ready interrupt flag. More...
static void	aes_clear_error_flag (void)
	Clear the AES error flag. More...
void	aes_configure (enum aes_dec decrypt, enum aes_auto auto_start, enum aes_xor xor_mode)
	AES control register settings. More...
void	aes_set_key (t_key k_in)
	Load key memory. More...
void	aes_get_key (t_key k_out)
	Get key memory. More...
void	aes_write_inputdata (t_data d_in)
	Load state memory. More...
void	aes_read_outputdata (t_data d_out)
	Get state memory. More...
void	aes_isr_configure (enum aes_intlvl intlvl)
	AES interrupt settings. More...
void	aes_set_callback (aes_callback_t callback)
	Set AES interrupt callback function. More...

AES Configuration Define
#define	AES_KEY_SIZE   16
	Length of one key block. More...
#define	AES_DATA_SIZE   16
	Length of one data block. More...
enum	aes_dec {   AES_ENCRYPT,   AES_DECRYPT = AES_DECRYPT_bm }
	AES encryption/decryption direction settings. More...
enum	aes_auto {   AES_MANUAL,   AES_AUTO = AES_AUTO_bm }
	AES Auto Start Trigger settings. More...
enum	aes_xor {   AES_XOR_OFF,   AES_XOR_ON = AES_XOR_bm }
	AES State XOR Load Enable settings. More...
enum	aes_intlvl {   AES_INTLVL_OFF = AES_INTLVL_OFF_gc,   AES_INTLVL_LO = AES_INTLVL_LO_gc,   AES_INTLVL_MED = AES_INTLVL_MED_gc,   AES_INTLVL_HI = AES_INTLVL_HI_gc }
	AES Interrupt Enable / Level settings. More...
typedef uint8_t	t_key [AES_KEY_SIZE]
	AES key block type. More...
typedef uint8_t	t_data [AES_DATA_SIZE]
	AES data block type. More...
typedef void(*	aes_callback_t )(void)
	AES interrupt callback function pointer. More...