ram_aes_ram_example.c File Reference

#include <string.h>
#include "board.h"
#include "print_funcs.h"
#include "gpio.h"
#include "pm.h"
#include "intc.h"
#include "usart.h"
#include "aes.h"

Macros
#define	DMACA_AES_EVAL_BUF_SIZE   256
#define	DMACA_AES_EVAL_REFBUF_SIZE   16
Board-Related Example Settings
#define	DMACA_AES_EVAL_USART   (&AVR32_USART1)
#define	DMACA_AES_EVAL_USART_RX_PIN   AVR32_USART1_RXD_0_0_PIN
#define	DMACA_AES_EVAL_USART_RX_FUNCTION   AVR32_USART1_RXD_0_0_FUNCTION
#define	DMACA_AES_EVAL_USART_TX_PIN   AVR32_USART1_TXD_0_0_PIN
#define	DMACA_AES_EVAL_USART_TX_FUNCTION   AVR32_USART1_TXD_0_0_FUNCTION
#define	DMACA_AES_EVAL_USART_BAUDRATE   57600
#define	DMACA_AES_EVAL_LED1   LED0_GPIO
#define	DMACA_AES_EVAL_LED2   LED1_GPIO
#define	DMACA_AES_EVAL_LED3   LED2_GPIO

Functions
static void	init_hmatrix (void)
	Initializes the HSB bus matrix. More...
int	main (void)
	The main function. More...
void	test_ram_aes_ram (unsigned short int u16BufferSize, unsigned int *pSrcBuf, unsigned int *pDstBuf)
	1) Configure two DMACA channels: More...

Variables
volatile unsigned int	ccountt0
volatile unsigned int	ccountt1
const unsigned int	CipherKey [8]
const unsigned int	InitVector [4]
unsigned int	InputData [DMACA_AES_EVAL_BUF_SIZE]
volatile unsigned int	OutputData [DMACA_AES_EVAL_BUF_SIZE]
volatile unsigned int *	pDstData_HsbSram
pm_freq_param_t	pm_freq_param
unsigned int *	pSrcData_HsbSram
const unsigned int	RefInputData [DMACA_AES_EVAL_REFBUF_SIZE]
const unsigned int	RefOutputData [DMACA_AES_EVAL_REFBUF_SIZE]

#define DMACA_AES_EVAL_BUF_SIZE   256

Referenced by main().

#define DMACA_AES_EVAL_LED1   LED0_GPIO

Referenced by main().

#define DMACA_AES_EVAL_LED2   LED1_GPIO

Referenced by main().

#define DMACA_AES_EVAL_LED3   LED2_GPIO

Referenced by main().

#define DMACA_AES_EVAL_REFBUF_SIZE   16

Referenced by main(), and test_ram_aes_ram().

#define DMACA_AES_EVAL_USART   (&AVR32_USART1)

Referenced by main(), and test_ram_aes_ram().

#define DMACA_AES_EVAL_USART_BAUDRATE   57600

Referenced by main().

#define DMACA_AES_EVAL_USART_RX_FUNCTION   AVR32_USART1_RXD_0_0_FUNCTION

Referenced by main().

#define DMACA_AES_EVAL_USART_RX_PIN   AVR32_USART1_RXD_0_0_PIN

Referenced by main().

#define DMACA_AES_EVAL_USART_TX_FUNCTION   AVR32_USART1_TXD_0_0_FUNCTION

Referenced by main().

#define DMACA_AES_EVAL_USART_TX_PIN   AVR32_USART1_TXD_0_0_PIN

Referenced by main().

static void init_hmatrix ( void  )

static

Initializes the HSB bus matrix.

Referenced by main().

int main

(

void

)

The main function.

References AES_CBC_MODE, aes_configure(), AES_KEY_SIZE_256, AES_PMODE_CIPHER, AES_START_MODE_DMA, usart_options_t::baudrate, aes_config_t::CFBSize, aes_config_t::CounterMeasureMask, DMACA_AES_EVAL_BUF_SIZE, DMACA_AES_EVAL_LED1, DMACA_AES_EVAL_LED2, DMACA_AES_EVAL_LED3, DMACA_AES_EVAL_REFBUF_SIZE, DMACA_AES_EVAL_USART, DMACA_AES_EVAL_USART_BAUDRATE, DMACA_AES_EVAL_USART_RX_FUNCTION, DMACA_AES_EVAL_USART_RX_PIN, DMACA_AES_EVAL_USART_TX_FUNCTION, DMACA_AES_EVAL_USART_TX_PIN, gpio_clr_gpio_pin(), gpio_enable_module(), init_hmatrix(), InputData, aes_config_t::KeySize, aes_config_t::LodMode, aes_config_t::OpMode, OutputData, pDstData_HsbSram, pm_configure_clocks(), PM_FREQ_STATUS_FAIL, print(), print_ulong(), aes_config_t::ProcessingDelay, aes_config_t::ProcessingMode, pSrcData_HsbSram, RefInputData, SLEEP, aes_config_t::StartMode, test_ram_aes_ram(), USART_1_STOPBIT, usart_init_rs232(), USART_NO_PARITY, and USART_NORMAL_CHMODE.

void test_ram_aes_ram	(	unsigned short int	u16BufferSize,
		unsigned int *	pSrcBuf,
		unsigned int *	pDstBuf
	)

1) Configure two DMACA channels:

• RAM -> AES
• AES -> RAM 2) Set the AES cryptographic key and init vector. 3) Start the process 4) Check the result on the first 16 Words.

References aes_set_initvector(), aes_set_key(), ccountt0, ccountt1, CipherKey, DMACA_AES_EVAL_REFBUF_SIZE, DMACA_AES_EVAL_USART, Get_system_register, InitVector, OutputData, print(), print_ulong(), and RefOutputData.

Referenced by main().

volatile unsigned int ccountt0

Referenced by test_ram_aes_ram().

volatile unsigned int ccountt1

Referenced by test_ram_aes_ram().

const unsigned int CipherKey[8]

Initial value:

= {
  0x603deb10,
  0x15ca71be,
  0x2b73aef0,
  0x857d7781,
  0x1f352c07,
  0x3b6108d7,
  0x2d9810a3,
  0x0914dff4
}

Referenced by test_ram_aes_ram().

const unsigned int InitVector[4]

Initial value:

= {
  0x00010203,
  0x04050607,
  0x08090a0b,
  0x0c0d0e0f
}

Referenced by test_ram_aes_ram().

unsigned int InputData[DMACA_AES_EVAL_BUF_SIZE]

Referenced by main().

volatile unsigned int OutputData[DMACA_AES_EVAL_BUF_SIZE]

Referenced by main(), and test_ram_aes_ram().

volatile unsigned int* pDstData_HsbSram

Referenced by main().

pm_freq_param_t pm_freq_param

Initial value:

=
{
  .cpu_f        = 12000000,
  .pba_f        = 12000000,
  .osc0_f       = FOSC0,
  .osc0_startup = OSC0_STARTUP
}

unsigned int* pSrcData_HsbSram

Referenced by main().

const unsigned int RefInputData[DMACA_AES_EVAL_REFBUF_SIZE]

Initial value:

= {
  0x6bc1bee2,
  0x2e409f96,
  0xe93d7e11,
  0x7393172a,
  0xae2d8a57,
  0x1e03ac9c,
  0x9eb76fac,
  0x45af8e51,
  0x30c81c46,
  0xa35ce411,
  0xe5fbc119,
  0x1a0a52ef,
  0xf69f2445,
  0xdf4f9b17,
  0xad2b417b,
  0xe66c3710 }

Referenced by main().

const unsigned int RefOutputData[DMACA_AES_EVAL_REFBUF_SIZE]

Initial value:

= {
  0xf58c4c04,
  0xd6e5f1ba,
  0x779eabfb,
  0x5f7bfbd6,
  0x9cfc4e96,
  0x7edb808d,
  0x679f777b,
  0xc6702c7d,
  0x39f23369,
  0xa9d9bacf,
  0xa530e263,
  0x04231461,
  0xb2eb05e2,
  0xc39be9fc,
  0xda6c1907,
  0x8c6a9d1b }

Referenced by test_ram_aes_ram().