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/**
* \file
* \brief Unity tests for the cryptoauthlib Genkey Command
*
* \copyright (c) 2015-2020 Microchip Technology Inc. and its subsidiaries.
*
* \page License
*
* Subject to your compliance with these terms, you may use Microchip software
* and any derivatives exclusively with Microchip products. It is your
* responsibility to comply with third party license terms applicable to your
* use of third party software (including open source software) that may
* accompany Microchip software.
*
* THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES, WHETHER
* EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE, INCLUDING ANY IMPLIED
* WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY, AND FITNESS FOR A
* PARTICULAR PURPOSE. IN NO EVENT WILL MICROCHIP BE LIABLE FOR ANY INDIRECT,
* SPECIAL, PUNITIVE, INCIDENTAL OR CONSEQUENTIAL LOSS, DAMAGE, COST OR EXPENSE
* OF ANY KIND WHATSOEVER RELATED TO THE SOFTWARE, HOWEVER CAUSED, EVEN IF
* MICROCHIP HAS BEEN ADVISED OF THE POSSIBILITY OR THE DAMAGES ARE
* FORESEEABLE. TO THE FULLEST EXTENT ALLOWED BY LAW, MICROCHIP'S TOTAL
* LIABILITY ON ALL CLAIMS IN ANY WAY RELATED TO THIS SOFTWARE WILL NOT EXCEED
* THE AMOUNT OF FEES, IF ANY, THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR
* THIS SOFTWARE.
*/
#include <stdlib.h>
#include "atca_test.h"
#include "basic/atca_basic.h"
#include "host/atca_host.h"
#include "test/atca_tests.h"
#include "atca_execution.h"
/** \brief this test assumes a specific configuration and locked config zone
* test will generate a private key if data zone is unlocked and return a public key
* test will generate a public key based on the private key if data zone is locked
*/
TEST(atca_cmd_unit_test, genkey)
{
ATCA_STATUS status;
ATCAPacket packet;
uint16_t keyID = 0;
ATCACommand ca_cmd = _gDevice->mCommands;
unit_test_assert_config_is_locked();
// build a genkey command
packet.param1 = 0x04; // a random private key is generated and stored in slot keyID
packet.param2 = keyID;
status = atGenKey(ca_cmd, &packet);
TEST_ASSERT_EQUAL(ATCA_SUCCESS, status);
status = atca_execute_command(&packet, _gDevice);
TEST_ASSERT_EQUAL(ATCA_SUCCESS, status);
TEST_ASSERT_EQUAL(ATCA_PUB_KEY_SIZE + 3, packet.data[ATCA_COUNT_IDX]);
}
TEST(atca_cmd_basic_test, genkey)
{
ATCA_STATUS status = ATCA_SUCCESS;
uint8_t public_key[64];
uint8_t frag[4] = { 0x44, 0x44, 0x44, 0x44 };
memset(public_key, 0x44, 64); // mark the key with bogus data
test_assert_config_is_locked();
status = atcab_genkey(0, public_key);
TEST_ASSERT_EQUAL_MESSAGE(ATCA_SUCCESS, status, "Key generation failed");
// spot check public key for bogus data, there should be none
// pub key is random so can't check the full content anyway.
TEST_ASSERT_NOT_EQUAL(0, memcmp(public_key, frag, 4));
}
TEST(atca_cmd_basic_test, get_pubkey)
{
ATCA_STATUS status = ATCA_SUCCESS;
uint8_t public_key[64];
uint8_t frag[4] = { 0x44, 0x44, 0x44, 0x44 };
memset(public_key, 0x44, 64); // mark the key with bogus data
test_assert_config_is_locked();
status = atcab_get_pubkey(0, public_key);
TEST_ASSERT_EQUAL_MESSAGE(ATCA_SUCCESS, status, "Key generation failed");
// spot check public key for bogus data, there should be none
// pub key is random so can't check the full content anyway.
TEST_ASSERT_NOT_EQUAL(0, memcmp(public_key, frag, 4));
}
// *INDENT-OFF* - Preserve formatting
t_test_case_info genkey_basic_test_info[] =
{
{ REGISTER_TEST_CASE(atca_cmd_basic_test, genkey), DEVICE_MASK(ATECC108A) | DEVICE_MASK(ATECC508A) | DEVICE_MASK(ATECC608A) },
{ REGISTER_TEST_CASE(atca_cmd_basic_test, get_pubkey), DEVICE_MASK(ATECC108A) | DEVICE_MASK(ATECC508A) | DEVICE_MASK(ATECC608A) },
{ (fp_test_case)NULL, (uint8_t)0 },/* Array Termination element*/
};
t_test_case_info genkey_unit_test_info[] =
{
{ REGISTER_TEST_CASE(atca_cmd_unit_test, genkey), DEVICE_MASK(ATECC108A) | DEVICE_MASK(ATECC508A) | DEVICE_MASK(ATECC608A) },
{ (fp_test_case)NULL, (uint8_t)0 },/* Array Termination element*/
};
// *INDENT-ON*