Unit tests for AES driver.

#include <asf.h>
#include <stdio_serial.h>
#include <string.h>

Macros
#define	AES_EXAMPLE_REFBUF_SIZE 4

Functions
static void	configure_dma_aes_rd (void)
	Configure DMA AES DATA read trigger. More...

static void	configure_dma_aes_wr (void)
	Configure DMA AES DATA write trigger. More...

static void	configure_usart (void)
	Configure usart. More...

int	main (void)
	Run AES driver unit tests. More...

static void	run_cbc_mode_test (const struct test_case *test)
	Test CBC mode encryption and decryption. More...

static void	run_cfb128_mode_test (const struct test_case *test)
	Test CFB128 mode encryption and decryption. More...

static void	run_ctr_mode_test (const struct test_case *test)
	Test CTR mode encryption and decryption. More...

static void	run_ecb_mode_test (const struct test_case *test)
	Test ECB mode encryption and decryption. More...

static void	run_ecb_mode_test_dma (const struct test_case *test)
	Test ECB mode encryption with DMA. More...

static void	run_ofb_mode_test (const struct test_case *test)
	Test OFB mode encryption and decryption. More...

Variables
struct aes_module	aes_instance

struct dma_resource	example_resource_rx

struct dma_resource	example_resource_tx

volatile bool	flag = false

struct aes_config	g_aes_cfg
	AES configuration. More...

static uint32_t	output_data [AES_EXAMPLE_REFBUF_SIZE]

DmacDescriptor example_descriptor_tx	SECTION_DMAC_DESCRIPTOR

struct usart_module	usart_instance

sample data from NIST-800-38A appendix F
uint32_t	ref_plain_text [AES_EXAMPLE_REFBUF_SIZE]
	Reference plain data. More...

uint32_t	ref_cipher_text_ecb [AES_EXAMPLE_REFBUF_SIZE]
	Reference ECB cipher data. More...

uint32_t	ref_cipher_text_cbc [AES_EXAMPLE_REFBUF_SIZE]
	Reference CBC cipher data. More...

uint32_t	ref_cipher_text_cfb128 [AES_EXAMPLE_REFBUF_SIZE]
	Reference CFB128 cipher data. More...

uint32_t	ref_cipher_text_ofb [AES_EXAMPLE_REFBUF_SIZE]
	Reference OFB cipher data. More...

uint32_t	ref_cipher_text_ctr [AES_EXAMPLE_REFBUF_SIZE]
	Reference CTR cipher data. More...

const uint32_t	key128 [4]
	Cipher 128 bits key array. More...

const uint32_t	init_vector [4]
	Init vector array for ECB, CBC, CFB128 and OFB mode. More...

const uint32_t	init_vector_ctr [4]
	Init vector array for CTR mode. More...

#define AES_EXAMPLE_REFBUF_SIZE 4

Referenced by configure_dma_aes_rd(), and configure_dma_aes_wr().

static void configure_dma_aes_rd ( void )

static

Configure DMA AES DATA read trigger.

References AES_EXAMPLE_REFBUF_SIZE, dma_descriptor_config::beat_size, dma_descriptor_config::block_transfer_count, dma_descriptor_config::destination_address, dma_add_descriptor(), dma_allocate(), DMA_BEAT_SIZE_WORD, dma_descriptor_create(), dma_descriptor_get_config_defaults(), dma_get_config_defaults(), DMA_TRIGGER_ACTION_BLOCK, example_resource_rx, output_data, dma_resource_config::peripheral_trigger, dma_descriptor_config::source_address, dma_descriptor_config::src_increment_enable, and dma_resource_config::trigger_action.

Referenced by run_ecb_mode_test_dma().

static void configure_dma_aes_wr ( void )

static

Configure DMA AES DATA write trigger.

References AES_EXAMPLE_REFBUF_SIZE, dma_descriptor_config::beat_size, dma_descriptor_config::block_transfer_count, dma_descriptor_config::destination_address, dma_add_descriptor(), dma_allocate(), DMA_BEAT_SIZE_WORD, dma_descriptor_create(), dma_descriptor_get_config_defaults(), dma_get_config_defaults(), DMA_TRIGGER_ACTION_BLOCK, dma_descriptor_config::dst_increment_enable, example_resource_tx, dma_resource_config::peripheral_trigger, ref_plain_text, dma_descriptor_config::source_address, and dma_resource_config::trigger_action.

Referenced by run_ecb_mode_test_dma().

static void configure_usart ( void )

static

Configure usart.

References usart_config::baudrate, EDBG_CDC_MODULE, EDBG_CDC_SERCOM_MUX_SETTING, EDBG_CDC_SERCOM_PINMUX_PAD0, EDBG_CDC_SERCOM_PINMUX_PAD1, EDBG_CDC_SERCOM_PINMUX_PAD2, EDBG_CDC_SERCOM_PINMUX_PAD3, usart_config::mux_setting, usart_config::pinmux_pad0, usart_config::pinmux_pad1, usart_config::pinmux_pad2, usart_config::pinmux_pad3, usart_enable(), usart_get_config_defaults(), and usart_instance.

Referenced by main().

int main ( void )

Run AES driver unit tests.

References aes_enable(), aes_get_config_defaults(), aes_init(), aes_instance, configure_usart(), DEFINE_TEST_ARRAY, DEFINE_TEST_CASE, DEFINE_TEST_SUITE, delay_init(), g_aes_cfg, run_cbc_mode_test(), run_cfb128_mode_test(), run_ctr_mode_test(), run_ecb_mode_test(), run_ecb_mode_test_dma(), run_ofb_mode_test(), system_init(), and test_suite_run().

static void run_cbc_mode_test ( const struct test_case * test )

static

Test CBC mode encryption and decryption.

Parameters

test	Current test case.

References AES_AUTO_START, AES_CBC_MODE, AES_CFB_SIZE_128, aes_clear_new_message(), AES_DECRYPTION, AES_ENCRYPTION, aes_instance, AES_KEY_SIZE_128, aes_read_output_data(), aes_set_config(), aes_set_new_message(), aes_write_init_vector(), aes_write_input_data(), aes_write_key(), aes_config::cfb_size, delay_ms, aes_config::encrypt_mode, flag, g_aes_cfg, init_vector, key128, aes_config::key_size, aes_config::lod, aes_config::opmode, output_data, ref_cipher_text_cbc, ref_plain_text, aes_config::start_mode, and test_assert_true.

Referenced by main().

static void run_cfb128_mode_test ( const struct test_case * test )

static

Test CFB128 mode encryption and decryption.

Parameters

test	Current test case.

References AES_AUTO_START, AES_CFB_MODE, AES_CFB_SIZE_128, aes_clear_new_message(), AES_DECRYPTION, AES_ENCRYPTION, aes_instance, AES_KEY_SIZE_128, aes_read_output_data(), aes_set_config(), aes_set_new_message(), aes_write_init_vector(), aes_write_input_data(), aes_write_key(), aes_config::cfb_size, delay_ms, aes_config::encrypt_mode, flag, g_aes_cfg, init_vector, key128, aes_config::key_size, aes_config::lod, aes_config::opmode, output_data, ref_cipher_text_cfb128, ref_plain_text, aes_config::start_mode, and test_assert_true.

Referenced by main().

static void run_ctr_mode_test ( const struct test_case * test )

static

Test CTR mode encryption and decryption.

Parameters

test	Current test case.

References AES_AUTO_START, AES_CFB_SIZE_128, aes_clear_new_message(), AES_CTR_MODE, AES_DECRYPTION, AES_ENCRYPTION, aes_instance, AES_KEY_SIZE_128, aes_read_output_data(), aes_set_config(), aes_set_new_message(), aes_write_init_vector(), aes_write_input_data(), aes_write_key(), aes_config::cfb_size, delay_ms, aes_config::encrypt_mode, flag, g_aes_cfg, init_vector_ctr, key128, aes_config::key_size, aes_config::lod, aes_config::opmode, output_data, ref_cipher_text_ctr, ref_plain_text, aes_config::start_mode, and test_assert_true.

Referenced by main().

static void run_ecb_mode_test ( const struct test_case * test )

static

Test ECB mode encryption and decryption.

Parameters

test	Current test case.

References AES_AUTO_START, AES_CFB_SIZE_128, aes_clear_new_message(), AES_DECRYPTION, AES_ECB_MODE, AES_ENCRYPTION, aes_instance, AES_KEY_SIZE_128, aes_read_output_data(), aes_set_config(), aes_set_new_message(), aes_write_input_data(), aes_write_key(), aes_config::cfb_size, delay_ms, aes_config::encrypt_mode, flag, g_aes_cfg, key128, aes_config::key_size, aes_config::lod, aes_config::opmode, output_data, ref_cipher_text_ecb, ref_plain_text, aes_config::start_mode, and test_assert_true.

Referenced by main().

static void run_ecb_mode_test_dma ( const struct test_case * test )

static

Test ECB mode encryption with DMA.

Parameters

test	Current test case.

References AES_AUTO_START, AES_CFB_SIZE_128, aes_clear_new_message(), AES_ECB_MODE, AES_ENCRYPTION, aes_instance, AES_KEY_SIZE_128, aes_set_config(), aes_set_new_message(), aes_write_key(), aes_config::cfb_size, configure_dma_aes_rd(), configure_dma_aes_wr(), delay_ms, dma_start_transfer_job(), aes_config::encrypt_mode, example_resource_rx, example_resource_tx, flag, g_aes_cfg, key128, aes_config::key_size, aes_config::lod, aes_config::opmode, output_data, ref_cipher_text_ecb, aes_config::start_mode, and test_assert_true.

Referenced by main().

static void run_ofb_mode_test ( const struct test_case * test )

static

Test OFB mode encryption and decryption.

Parameters

test	Current test case.

References AES_AUTO_START, AES_CFB_SIZE_128, aes_clear_new_message(), AES_DECRYPTION, AES_ENCRYPTION, aes_instance, AES_KEY_SIZE_128, AES_OFB_MODE, aes_read_output_data(), aes_set_config(), aes_set_new_message(), aes_write_init_vector(), aes_write_input_data(), aes_write_key(), aes_config::cfb_size, delay_ms, aes_config::encrypt_mode, flag, g_aes_cfg, init_vector, key128, aes_config::key_size, aes_config::lod, aes_config::opmode, output_data, ref_cipher_text_ofb, ref_plain_text, aes_config::start_mode, and test_assert_true.

Referenced by main().

struct aes_module aes_instance

Referenced by main(), run_cbc_mode_test(), run_cfb128_mode_test(), run_ctr_mode_test(), run_ecb_mode_test(), run_ecb_mode_test_dma(), and run_ofb_mode_test().

struct dma_resource example_resource_rx

Referenced by configure_dma_aes_rd(), and run_ecb_mode_test_dma().

struct dma_resource example_resource_tx

Referenced by configure_dma_aes_wr(), and run_ecb_mode_test_dma().

volatile bool flag = false

Referenced by run_cbc_mode_test(), run_cfb128_mode_test(), run_ctr_mode_test(), run_ecb_mode_test(), run_ecb_mode_test_dma(), and run_ofb_mode_test().

struct aes_config g_aes_cfg

AES configuration.

Referenced by main(), run_cbc_mode_test(), run_cfb128_mode_test(), run_ctr_mode_test(), run_ecb_mode_test(), run_ecb_mode_test_dma(), and run_ofb_mode_test().

const uint32_t init_vector[4]

Initial value:

= {
    0x03020100,
    0x07060504,
    0x0b0a0908,
    0x0f0e0d0c
}

Init vector array for ECB, CBC, CFB128 and OFB mode.

Referenced by run_cbc_mode_test(), run_cfb128_mode_test(), and run_ofb_mode_test().

const uint32_t init_vector_ctr[4]

Initial value:

= {
    0xf3f2f1f0,
    0xf7f6f5f4,
    0xfbfaf9f8,
    0xfffefdfc
}

Init vector array for CTR mode.

Referenced by run_ctr_mode_test().

const uint32_t key128[4]

Initial value:

= {
    0x16157e2b,
    0xa6d2ae28,
    0x8815f7ab,
    0x3c4fcf09
}

Cipher 128 bits key array.

Referenced by run_cbc_mode_test(), run_cfb128_mode_test(), run_ctr_mode_test(), run_ecb_mode_test(), run_ecb_mode_test_dma(), and run_ofb_mode_test().

uint32_t output_data[AES_EXAMPLE_REFBUF_SIZE]

static

Referenced by configure_dma_aes_rd(), run_cbc_mode_test(), run_cfb128_mode_test(), run_ctr_mode_test(), run_ecb_mode_test(), run_ecb_mode_test_dma(), and run_ofb_mode_test().

uint32_t ref_cipher_text_cbc[AES_EXAMPLE_REFBUF_SIZE]

Initial value:

= {
    0xacab4976,
    0x46b21981,
    0x9b8ee9ce,
    0x7d19e912
}

Reference CBC cipher data.

Referenced by run_cbc_mode_test().

uint32_t ref_cipher_text_cfb128[AES_EXAMPLE_REFBUF_SIZE]

Initial value:

= {
    0x2ed93f3b,
    0x20ad2db7,
    0xf8493433,
    0x4afb3ce8
}

Reference CFB128 cipher data.

Referenced by run_cfb128_mode_test().

uint32_t ref_cipher_text_ctr[AES_EXAMPLE_REFBUF_SIZE]

Initial value:

= {
    0x91614d87,
    0x26e320b6,
    0x6468ef1b,
    0xceb60d99
}

Reference CTR cipher data.

Referenced by run_ctr_mode_test().

uint32_t ref_cipher_text_ecb[AES_EXAMPLE_REFBUF_SIZE]

Initial value:

= {
    0xb47bd73a,
    0x60367a0d,
    0xf3ca9ea8,
    0x97ef6624
}

Reference ECB cipher data.

Referenced by run_ecb_mode_test(), and run_ecb_mode_test_dma().

uint32_t ref_cipher_text_ofb[AES_EXAMPLE_REFBUF_SIZE]

Initial value:

= {
    0x2ed93f3b,
    0x20ad2db7,
    0xf8493433,
    0x4afb3ce8
}

Reference OFB cipher data.

Referenced by run_ofb_mode_test().

uint32_t ref_plain_text[AES_EXAMPLE_REFBUF_SIZE]

Initial value:

= {
    0xe2bec16b,
    0x969f402e,
    0x117e3de9,
    0x2a179373
}

Reference plain data.

Referenced by configure_dma_aes_wr(), run_cbc_mode_test(), run_cfb128_mode_test(), run_ctr_mode_test(), run_ecb_mode_test(), and run_ofb_mode_test().

DmacDescriptor example_descriptor_rx SECTION_DMAC_DESCRIPTOR

struct usart_module usart_instance

Referenced by configure_usart().

Microchip® Advanced Software Framework

Macros

Functions

Variables