Microchip® Advanced Software Framework

Macros | Functions | Variables
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
 

Functions

static void aes_callback (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_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...
 
static uint32_t output_data [AES_EXAMPLE_REFBUF_SIZE]
 
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

static void aes_callback ( void  )
static

The AES interrupt call back function.

References aes_read_output_data(), and output_data.

Referenced by main().

int main ( void  )

Run AES driver unit tests.

References aes_callback(), aes_enable(), aes_get_config_defaults(), aes_init(), AES_INTERRUPT_DATA_READY, aes_set_callback(), uart_rs232_options::baudrate, board_init(), CONF_TEST_BAUDRATE, CONF_TEST_CHAR_LENGTH, CONF_TEST_PARITY, CONF_TEST_STOP_BITS, CONF_TEST_USART, DEFINE_TEST_ARRAY, DEFINE_TEST_CASE, DEFINE_TEST_SUITE, g_aes_cfg, run_cbc_mode_test(), run_cfb128_mode_test(), run_ctr_mode_test(), run_ecb_mode_test(), run_ofb_mode_test(), stdio_serial_init(), sysclk_init(), and test_suite_run().

static void run_cbc_mode_test ( const struct test_case *  test)
static

Test CBC mode encryption and decryption.

Parameters
testCurrent test case.

References AES_AUTO_START, AES_CBC_MODE, AES_CFB_SIZE_128, AES_DECRYPTION, AES_ENCRYPTION, AES_KEY_SIZE_128, aes_set_config(), aes_write_initvector(), 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
testCurrent test case.

References AES_AUTO_START, AES_CFB_MODE, AES_CFB_SIZE_128, AES_DECRYPTION, AES_ENCRYPTION, AES_KEY_SIZE_128, aes_set_config(), aes_write_initvector(), 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
testCurrent test case.

References AES_AUTO_START, AES_CFB_SIZE_128, AES_CTR_MODE, AES_DECRYPTION, AES_ENCRYPTION, AES_KEY_SIZE_128, aes_set_config(), aes_write_initvector(), 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
testCurrent test case.

References AES_AUTO_START, AES_CFB_SIZE_128, AES_DECRYPTION, AES_ECB_MODE, AES_ENCRYPTION, AES_KEY_SIZE_128, aes_set_config(), 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_ofb_mode_test ( const struct test_case *  test)
static

Test OFB mode encryption and decryption.

Parameters
testCurrent test case.

References AES_AUTO_START, AES_CFB_SIZE_128, AES_DECRYPTION, AES_ENCRYPTION, AES_KEY_SIZE_128, AES_OFB_MODE, aes_set_config(), aes_write_initvector(), 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().

volatile bool flag = false

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

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(), 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().

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 run_cbc_mode_test(), run_cfb128_mode_test(), run_ctr_mode_test(), run_ecb_mode_test(), and run_ofb_mode_test().

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