sam/drivers/aesa/unit_tests/unit_tests.c File Reference

Unit tests for AES driver.

Copyright (c) 2013-2018 Microchip Technology Inc. and its subsidiaries.

#include <asf.h>
#include <conf_test.h>

Macros
#define	AES_EXAMPLE_REFBUF_SIZE   4
#define	PDCA_RX_CHANNEL   0
#define	PDCA_TX_CHANNEL   1

Functions
static void	aes_callback (void)
	The AES interrupt call back function. More...
static void	aes_callback_pdca (void)
	The AES interrupt call back function. 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_pdca (const struct test_case *test)
	Test ECB mode encryption and decryption with PDCA. More...
static void	run_ofb_mode_test (const struct test_case *test)
	Test OFB mode encryption and decryption. More...

Variables
volatile bool	flag = false
struct aes_config	g_aes_cfg
	AES configuration. More...
struct aes_dev_inst	g_aes_inst
	AES instance. More...
static uint32_t	output_data [AES_EXAMPLE_REFBUF_SIZE]
pdca_channel_config_t	PDCA_RX_OPTIONS
	PDCA channel options. More...
pdca_channel_config_t	PDCA_TX_OPTIONS
volatile bool	state = false
sample data from NIST-800-38A appendix F
const uint32_t	ref_plain_text [AES_EXAMPLE_REFBUF_SIZE]
	Reference plain data. More...
const uint32_t	ref_cipher_text_ecb [AES_EXAMPLE_REFBUF_SIZE]
	Reference ECB cipher data. More...
const uint32_t	ref_cipher_text_cbc [AES_EXAMPLE_REFBUF_SIZE]
	Reference CBC cipher data. More...
const uint32_t	ref_cipher_text_cfb128 [AES_EXAMPLE_REFBUF_SIZE]
	Reference CFB128 cipher data. More...
const uint32_t	ref_cipher_text_ofb [AES_EXAMPLE_REFBUF_SIZE]
	Reference OFB cipher data. More...
const 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 run_ecb_mode_test_pdca().

#define PDCA_RX_CHANNEL   0

Referenced by aes_callback_pdca(), and run_ecb_mode_test_pdca().

#define PDCA_TX_CHANNEL   1

Referenced by run_ecb_mode_test_pdca().

static void aes_callback ( void  )

static

The AES interrupt call back function.

References aes_read_output_data(), g_aes_inst, output_data, and state.

Referenced by main(), and run_ecb_mode_test_pdca().

static void aes_callback_pdca ( void  )

static

The AES interrupt call back function.

References PDCA_CH_TRANSFER_COMPLETED, pdca_channel_enable(), pdca_get_channel_status(), PDCA_RX_CHANNEL, and state.

Referenced by run_ecb_mode_test_pdca().

int main

(

void

)

Run AES driver unit tests.

References aes_callback(), aes_enable(), aes_get_config_defaults(), aes_init(), AES_INTERRUPT_INPUT_BUFFER_READY, aes_set_callback(), uart_rs232_options::baudrate, board_init(), cbc_mode_test(), cfb128_mode_test(), ctr_mode_test(), DEFINE_TEST_ARRAY, DEFINE_TEST_CASE, DEFINE_TEST_SUITE, ecb_mode_test(), ecb_mode_test_pdca(), g_aes_cfg, g_aes_inst, NULL, ofb_mode_test(), run_cbc_mode_test(), run_cfb128_mode_test(), run_ctr_mode_test(), run_ecb_mode_test(), run_ecb_mode_test_pdca(), run_ofb_mode_test(), stdio_serial_init(), sysclk_init(), test_suite_run(), and usart_serial_options.

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_CBC_MODE, AES_CFB_SIZE_128, aes_dev_inst::aes_cfg, AES_COUNTERMEASURE_TYPE_ALL, AES_DECRYPTION, AES_ENCRYPTION, AES_KEY_SIZE_128, AES_MANUAL_MODE, aes_set_config(), aes_set_new_message(), aes_write_initvector(), aes_write_input_data(), aes_write_key(), aes_config::cfb_size, aes_config::countermeasure_mask, delay_ms, aes_config::dma_mode, aes_config::encrypt_mode, flag, g_aes_inst, init_vector, key128, aes_config::key_size, aes_config::opmode, output_data, ref_cipher_text_cbc, ref_plain_text, state, 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_CFB_MODE, AES_CFB_SIZE_128, aes_dev_inst::aes_cfg, AES_COUNTERMEASURE_TYPE_ALL, AES_DECRYPTION, AES_ENCRYPTION, AES_KEY_SIZE_128, AES_MANUAL_MODE, aes_set_config(), aes_set_new_message(), aes_write_initvector(), aes_write_input_data(), aes_write_key(), aes_config::cfb_size, aes_config::countermeasure_mask, delay_ms, aes_config::dma_mode, aes_config::encrypt_mode, flag, g_aes_inst, init_vector, key128, aes_config::key_size, aes_config::opmode, output_data, ref_cipher_text_cfb128, ref_plain_text, state, 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_CFB_SIZE_128, aes_dev_inst::aes_cfg, AES_COUNTERMEASURE_TYPE_ALL, AES_CTR_MODE, AES_DECRYPTION, AES_ENCRYPTION, AES_KEY_SIZE_128, AES_MANUAL_MODE, aes_set_config(), aes_set_new_message(), aes_write_initvector(), aes_write_input_data(), aes_write_key(), aes_config::cfb_size, aes_config::countermeasure_mask, delay_ms, aes_config::dma_mode, aes_config::encrypt_mode, flag, g_aes_inst, init_vector_ctr, key128, aes_config::key_size, aes_config::opmode, output_data, ref_cipher_text_ctr, ref_plain_text, state, 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_CFB_SIZE_128, aes_dev_inst::aes_cfg, AES_COUNTERMEASURE_TYPE_ALL, AES_DECRYPTION, AES_ECB_MODE, AES_ENCRYPTION, AES_KEY_SIZE_128, AES_MANUAL_MODE, aes_set_config(), aes_set_new_message(), aes_write_input_data(), aes_write_key(), aes_config::cfb_size, aes_config::countermeasure_mask, delay_ms, aes_config::dma_mode, aes_config::encrypt_mode, flag, g_aes_inst, key128, aes_config::key_size, aes_config::opmode, output_data, ref_cipher_text_ecb, ref_plain_text, state, and test_assert_true.

Referenced by main().

static void run_ecb_mode_test_pdca ( const struct test_case *  test )

static

Test ECB mode encryption and decryption with PDCA.

Parameters

test	Current test case.

References pdca_channel_config_t::addr, aes_callback(), aes_callback_pdca(), AES_CFB_SIZE_128, aes_dev_inst::aes_cfg, AES_COUNTERMEASURE_TYPE_ALL, AES_DECRYPTION, AES_DMA_MODE, AES_ECB_MODE, AES_ENCRYPTION, AES_EXAMPLE_REFBUF_SIZE, AES_INTERRUPT_INPUT_BUFFER_READY, AES_KEY_SIZE_128, aes_set_callback(), aes_set_config(), aes_set_new_message(), aes_write_key(), aes_config::cfb_size, aes_config::countermeasure_mask, delay_ms, aes_config::dma_mode, aes_config::encrypt_mode, flag, g_aes_inst, key128, aes_config::key_size, aes_config::opmode, output_data, pdca_channel_disable(), pdca_channel_enable(), pdca_channel_set_config(), pdca_disable(), pdca_enable(), PDCA_RX_CHANNEL, PDCA_TX_CHANNEL, pdca_channel_config_t::pid, pdca_channel_config_t::r_addr, pdca_channel_config_t::r_size, ref_cipher_text_ecb, ref_plain_text, pdca_channel_config_t::size, state, test_assert_true, and pdca_channel_config_t::transfer_size.

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_CFB_SIZE_128, aes_dev_inst::aes_cfg, AES_COUNTERMEASURE_TYPE_ALL, AES_DECRYPTION, AES_ENCRYPTION, AES_KEY_SIZE_128, AES_MANUAL_MODE, AES_OFB_MODE, aes_set_config(), aes_set_new_message(), aes_write_initvector(), aes_write_input_data(), aes_write_key(), aes_config::cfb_size, aes_config::countermeasure_mask, delay_ms, aes_config::dma_mode, aes_config::encrypt_mode, flag, g_aes_inst, init_vector, key128, aes_config::key_size, aes_config::opmode, output_data, ref_cipher_text_ofb, ref_plain_text, state, and test_assert_true.

Referenced by main().

volatile bool flag = false

struct aes_config g_aes_cfg

AES configuration.

struct aes_dev_inst g_aes_inst

AES instance.

const uint32_t init_vector[4]

Initial value:

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

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

const uint32_t init_vector_ctr[4]

Initial value:

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

Init vector array for CTR mode.

const uint32_t key128[4]

Initial value:

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

Cipher 128 bits key array.

uint32_t output_data[AES_EXAMPLE_REFBUF_SIZE]

static

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

pdca_channel_config_t PDCA_RX_OPTIONS

PDCA channel options.

pdca_channel_config_t PDCA_TX_OPTIONS

const uint32_t ref_cipher_text_cbc[AES_EXAMPLE_REFBUF_SIZE]

Initial value:

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

Reference CBC cipher data.

const uint32_t ref_cipher_text_cfb128[AES_EXAMPLE_REFBUF_SIZE]

Initial value:

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

Reference CFB128 cipher data.

const uint32_t ref_cipher_text_ctr[AES_EXAMPLE_REFBUF_SIZE]

Initial value:

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

Reference CTR cipher data.

const uint32_t ref_cipher_text_ecb[AES_EXAMPLE_REFBUF_SIZE]

Initial value:

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

Reference ECB cipher data.

const uint32_t ref_cipher_text_ofb[AES_EXAMPLE_REFBUF_SIZE]

Initial value:

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

Reference OFB cipher data.

const uint32_t ref_plain_text[AES_EXAMPLE_REFBUF_SIZE]

Initial value:

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

Reference plain data.

volatile bool state = false