blob: 19987d31d475d4db8e2311e9ea5c5b7e6656cee4 [file] [log] [blame]
/*
*
* Copyright (c) 2021 Project CHIP Authors
* All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <credentials/DeviceAttestationConstructor.h>
#include <credentials/DeviceAttestationVendorReserved.h>
#include <lib/core/CHIPError.h>
#include <lib/core/CHIPTLV.h>
#include <lib/support/CodeUtils.h>
#include <lib/support/ScopedBuffer.h>
#include <lib/support/Span.h>
#include <lib/support/UnitTestRegistration.h>
#include <cstdio>
#include <nlunit-test.h>
using namespace chip;
using namespace chip::Credentials;
static void TestAttestationElements_Roundtrip(nlTestSuite * inSuite, void * inContext)
{
CHIP_ERROR err = CHIP_NO_ERROR;
chip::Platform::ScopedMemoryBuffer<uint8_t> attestationElements;
size_t attestationElementsLen;
static constexpr uint8_t certificationDeclaration[] = {
0xd2, 0x84, 0x4b, 0xa2, 0x01, 0x26, 0x04, 0x46, 0x63, 0x73, 0x61, 0x63, 0x64, 0x30, 0xa0, 0x58, 0x1d, 0x15, 0x25,
0x01, 0x88, 0x99, 0x25, 0x02, 0xfe, 0xff, 0x25, 0x03, 0xd2, 0x04, 0x25, 0x04, 0x2e, 0x16, 0x24, 0x05, 0xaa, 0x25,
0x06, 0xde, 0xc0, 0x25, 0x07, 0x94, 0x26, 0x18, 0x58, 0x40, 0x96, 0x57, 0x2d, 0xd6, 0x3c, 0x03, 0x64, 0x0b, 0x28,
0x67, 0x02, 0xbd, 0x6b, 0xba, 0x48, 0xac, 0x7c, 0x83, 0x54, 0x9b, 0x68, 0x73, 0x29, 0x47, 0x48, 0xb9, 0x51, 0xd5,
0xab, 0x66, 0x62, 0x2e, 0x9d, 0x26, 0x10, 0x41, 0xf8, 0x0e, 0x97, 0x49, 0xfe, 0xff, 0x78, 0x10, 0x02, 0x49, 0x67,
0xae, 0xdf, 0x41, 0x38, 0x36, 0x5b, 0x0a, 0x22, 0x57, 0x14, 0x9c, 0x9a, 0x12, 0x3e, 0x0d, 0x30, 0xaa
};
static constexpr uint8_t attestationNonce[] = { 0xe0, 0x42, 0x1b, 0x91, 0xc6, 0xfd, 0xcd, 0xb4, 0x0e, 0x2a, 0x4d,
0x2c, 0xf3, 0x1d, 0xb2, 0xb4, 0xe1, 0x8b, 0x41, 0x1b, 0x1d, 0x3a,
0xd4, 0xd1, 0x2a, 0x9d, 0x90, 0xaa, 0x8e, 0x52, 0xfa, 0xe2 };
static constexpr uint32_t timestamp = 677103357;
static constexpr uint8_t vendorReserved1[] = { 0x73, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x5f, 0x76, 0x65, 0x6e, 0x64, 0x6f,
0x72, 0x5f, 0x72, 0x65, 0x73, 0x65, 0x72, 0x76, 0x65, 0x64, 0x31 };
static constexpr uint8_t vendorReserved3[] = { 0x76, 0x65, 0x6e, 0x64, 0x6f, 0x72, 0x5f, 0x72, 0x65, 0x73, 0x65, 0x72,
0x76, 0x65, 0x64, 0x33, 0x5f, 0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65 };
static constexpr uint16_t vendorId = 0xbeef;
static constexpr uint16_t profileNum = 0xdead;
VendorReservedElement vendorReservedArray[2];
DeviceAttestationVendorReservedConstructor vendorReservedConstructor(vendorReservedArray, 2);
attestationElementsLen = sizeof(certificationDeclaration) + sizeof(attestationNonce) + sizeof(timestamp) +
sizeof(vendorReserved1) + sizeof(vendorReserved3) + sizeof(uint64_t) * 5;
attestationElements.Alloc(attestationElementsLen);
vendorReservedConstructor.addVendorReservedElement(vendorId, profileNum, 1, ByteSpan(vendorReserved1));
vendorReservedConstructor.addVendorReservedElement(vendorId, profileNum, 3, ByteSpan(vendorReserved3));
NL_TEST_ASSERT(inSuite, attestationElements);
{
MutableByteSpan attestationElementsSpan(attestationElements.Get(), attestationElementsLen);
// Test wrong size nonce
err = ConstructAttestationElements(ByteSpan(certificationDeclaration),
ByteSpan(attestationNonce, sizeof(attestationNonce) - 1), timestamp, ByteSpan(),
vendorReservedConstructor, attestationElementsSpan);
NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_INVALID_ARGUMENT);
// Test with missing mandatory TLV entries
err = ConstructAttestationElements(ByteSpan(), ByteSpan(attestationNonce), timestamp, ByteSpan(), vendorReservedConstructor,
attestationElementsSpan);
NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_INVALID_ARGUMENT);
// Test with missing mandatory TLV entries
err = ConstructAttestationElements(ByteSpan(certificationDeclaration), ByteSpan(), timestamp, ByteSpan(),
vendorReservedConstructor, attestationElementsSpan);
NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_INVALID_ARGUMENT);
// Test for success with entirely valid arguments
err = ConstructAttestationElements(ByteSpan(certificationDeclaration), ByteSpan(attestationNonce), timestamp, ByteSpan(),
vendorReservedConstructor, attestationElementsSpan);
NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR);
attestationElementsLen = attestationElementsSpan.size();
}
ByteSpan certificationDeclarationSpan;
ByteSpan attestationNonceSpan;
uint32_t timestampDeconstructed;
ByteSpan firmwareInfoSpan;
DeviceAttestationVendorReservedDeconstructor vendorReservedDeconstructor;
err =
DeconstructAttestationElements(ByteSpan(attestationElements.Get(), attestationElementsLen), certificationDeclarationSpan,
attestationNonceSpan, timestampDeconstructed, firmwareInfoSpan, vendorReservedDeconstructor);
NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR);
NL_TEST_ASSERT(inSuite, certificationDeclarationSpan.data_equal(ByteSpan(certificationDeclaration)));
NL_TEST_ASSERT(inSuite, attestationNonceSpan.data_equal(ByteSpan(attestationNonce)));
NL_TEST_ASSERT(inSuite, timestamp == timestampDeconstructed);
NL_TEST_ASSERT(inSuite, firmwareInfoSpan.empty());
NL_TEST_ASSERT(inSuite, vendorReservedConstructor.GetNumberOfElements() == vendorReservedDeconstructor.GetNumberOfElements());
const VendorReservedElement * constructionElement = vendorReservedConstructor.cbegin();
VendorReservedElement deconstructionElement;
while ((constructionElement = vendorReservedConstructor.Next()) != nullptr &&
vendorReservedDeconstructor.GetNextVendorReservedElement(deconstructionElement) == CHIP_NO_ERROR)
{
NL_TEST_ASSERT(inSuite, constructionElement->vendorId == deconstructionElement.vendorId);
NL_TEST_ASSERT(inSuite, constructionElement->profileNum == deconstructionElement.profileNum);
NL_TEST_ASSERT(inSuite, constructionElement->vendorReservedData.data_equal(deconstructionElement.vendorReservedData));
}
}
static void TestAttestationElements_Construction(nlTestSuite * inSuite, void * inContext)
{
CHIP_ERROR err = CHIP_NO_ERROR;
Platform::ScopedMemoryBuffer<uint8_t> attestationElements;
size_t attestationElementsLen;
static constexpr uint8_t attestationElementsTestVector[] = {
0x15, 0x30, 0x01, 0x70, 0xd2, 0x84, 0x4b, 0xa2, 0x01, 0x26, 0x04, 0x46, 0x63, 0x73, 0x61, 0x63, 0x64, 0x30, 0xa0,
0x58, 0x1d, 0x15, 0x25, 0x01, 0x88, 0x99, 0x25, 0x02, 0xfe, 0xff, 0x25, 0x03, 0xd2, 0x04, 0x25, 0x04, 0x2e, 0x16,
0x24, 0x05, 0xaa, 0x25, 0x06, 0xde, 0xc0, 0x25, 0x07, 0x94, 0x26, 0x18, 0x58, 0x40, 0x96, 0x57, 0x2d, 0xd6, 0x3c,
0x03, 0x64, 0x0b, 0x28, 0x67, 0x02, 0xbd, 0x6b, 0xba, 0x48, 0xac, 0x7c, 0x83, 0x54, 0x9b, 0x68, 0x73, 0x29, 0x47,
0x48, 0xb9, 0x51, 0xd5, 0xab, 0x66, 0x62, 0x2e, 0x9d, 0x26, 0x10, 0x41, 0xf8, 0x0e, 0x97, 0x49, 0xfe, 0xff, 0x78,
0x10, 0x02, 0x49, 0x67, 0xae, 0xdf, 0x41, 0x38, 0x36, 0x5b, 0x0a, 0x22, 0x57, 0x14, 0x9c, 0x9a, 0x12, 0x3e, 0x0d,
0x30, 0xaa, 0x30, 0x02, 0x20, 0xe0, 0x42, 0x1b, 0x91, 0xc6, 0xfd, 0xcd, 0xb4, 0x0e, 0x2a, 0x4d, 0x2c, 0xf3, 0x1d,
0xb2, 0xb4, 0xe1, 0x8b, 0x41, 0x1b, 0x1d, 0x3a, 0xd4, 0xd1, 0x2a, 0x9d, 0x90, 0xaa, 0x8e, 0x52, 0xfa, 0xe2, 0x26,
0x03, 0xfd, 0xc6, 0x5b, 0x28, 0xd0, 0xf1, 0xff, 0x3e, 0x00, 0x01, 0x00, 0x17, 0x73, 0x61, 0x6d, 0x70, 0x6c, 0x65,
0x5f, 0x76, 0x65, 0x6e, 0x64, 0x6f, 0x72, 0x5f, 0x72, 0x65, 0x73, 0x65, 0x72, 0x76, 0x65, 0x64, 0x31, 0xd0, 0xf1,
0xff, 0x3e, 0x00, 0x03, 0x00, 0x18, 0x76, 0x65, 0x6e, 0x64, 0x6f, 0x72, 0x5f, 0x72, 0x65, 0x73, 0x65, 0x72, 0x76,
0x65, 0x64, 0x33, 0x5f, 0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x18
};
static constexpr uint8_t certificationDeclaration[] = {
0xd2, 0x84, 0x4b, 0xa2, 0x01, 0x26, 0x04, 0x46, 0x63, 0x73, 0x61, 0x63, 0x64, 0x30, 0xa0, 0x58, 0x1d, 0x15, 0x25,
0x01, 0x88, 0x99, 0x25, 0x02, 0xfe, 0xff, 0x25, 0x03, 0xd2, 0x04, 0x25, 0x04, 0x2e, 0x16, 0x24, 0x05, 0xaa, 0x25,
0x06, 0xde, 0xc0, 0x25, 0x07, 0x94, 0x26, 0x18, 0x58, 0x40, 0x96, 0x57, 0x2d, 0xd6, 0x3c, 0x03, 0x64, 0x0b, 0x28,
0x67, 0x02, 0xbd, 0x6b, 0xba, 0x48, 0xac, 0x7c, 0x83, 0x54, 0x9b, 0x68, 0x73, 0x29, 0x47, 0x48, 0xb9, 0x51, 0xd5,
0xab, 0x66, 0x62, 0x2e, 0x9d, 0x26, 0x10, 0x41, 0xf8, 0x0e, 0x97, 0x49, 0xfe, 0xff, 0x78, 0x10, 0x02, 0x49, 0x67,
0xae, 0xdf, 0x41, 0x38, 0x36, 0x5b, 0x0a, 0x22, 0x57, 0x14, 0x9c, 0x9a, 0x12, 0x3e, 0x0d, 0x30, 0xaa
};
static constexpr uint8_t attestationNonce[] = { 0xe0, 0x42, 0x1b, 0x91, 0xc6, 0xfd, 0xcd, 0xb4, 0x0e, 0x2a, 0x4d,
0x2c, 0xf3, 0x1d, 0xb2, 0xb4, 0xe1, 0x8b, 0x41, 0x1b, 0x1d, 0x3a,
0xd4, 0xd1, 0x2a, 0x9d, 0x90, 0xaa, 0x8e, 0x52, 0xfa, 0xe2 };
static constexpr uint32_t timestamp = 677103357;
static constexpr uint8_t vendorReserved1[] = { 0x73, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x5f, 0x76, 0x65, 0x6e, 0x64, 0x6f,
0x72, 0x5f, 0x72, 0x65, 0x73, 0x65, 0x72, 0x76, 0x65, 0x64, 0x31 };
static constexpr uint8_t vendorReserved3[] = { 0x76, 0x65, 0x6e, 0x64, 0x6f, 0x72, 0x5f, 0x72, 0x65, 0x73, 0x65, 0x72,
0x76, 0x65, 0x64, 0x33, 0x5f, 0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65 };
static constexpr uint16_t vendorId = 0xFFF1;
static constexpr uint16_t profileNum = 0x003E;
VendorReservedElement vendorReservedArray[2];
DeviceAttestationVendorReservedConstructor vendorReserved(vendorReservedArray, 2);
vendorReserved.addVendorReservedElement(vendorId, profileNum, 1, ByteSpan(vendorReserved1));
vendorReserved.addVendorReservedElement(vendorId, profileNum, 3, ByteSpan(vendorReserved3));
attestationElementsLen = sizeof(certificationDeclaration) + sizeof(attestationNonce) + sizeof(timestamp) +
sizeof(vendorReserved1) + sizeof(vendorReserved3) + sizeof(uint64_t) * 5;
attestationElements.Alloc(attestationElementsLen);
NL_TEST_ASSERT(inSuite, attestationElements);
{
MutableByteSpan attestationElementsSpan(attestationElements.Get(), attestationElementsLen);
err = ConstructAttestationElements(ByteSpan(certificationDeclaration), ByteSpan(attestationNonce), timestamp, ByteSpan(),
vendorReserved, attestationElementsSpan);
NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR);
attestationElementsLen = attestationElementsSpan.size();
NL_TEST_ASSERT(inSuite, attestationElementsSpan.data_equal(ByteSpan(attestationElementsTestVector)));
}
}
static void TestAttestationElements_Deconstruction(nlTestSuite * inSuite, void * inContext)
{
// This is a test case with only the known TLV tags fields
constexpr uint8_t attestationElementsTestVectorOnlyKnownTags[] = {
0x15, 0x30, 0x01, 0x70, 0xd2, 0x84, 0x4b, 0xa2, 0x01, 0x26, 0x04, 0x46, 0x63, 0x73, 0x61, 0x63, 0x64, 0x30, 0xa0,
0x58, 0x1d, 0x15, 0x25, 0x01, 0x88, 0x99, 0x25, 0x02, 0xfe, 0xff, 0x25, 0x03, 0xd2, 0x04, 0x25, 0x04, 0x2e, 0x16,
0x24, 0x05, 0xaa, 0x25, 0x06, 0xde, 0xc0, 0x25, 0x07, 0x94, 0x26, 0x18, 0x58, 0x40, 0x96, 0x57, 0x2d, 0xd6, 0x3c,
0x03, 0x64, 0x0b, 0x28, 0x67, 0x02, 0xbd, 0x6b, 0xba, 0x48, 0xac, 0x7c, 0x83, 0x54, 0x9b, 0x68, 0x73, 0x29, 0x47,
0x48, 0xb9, 0x51, 0xd5, 0xab, 0x66, 0x62, 0x2e, 0x9d, 0x26, 0x10, 0x41, 0xf8, 0x0e, 0x97, 0x49, 0xfe, 0xff, 0x78,
0x10, 0x02, 0x49, 0x67, 0xae, 0xdf, 0x41, 0x38, 0x36, 0x5b, 0x0a, 0x22, 0x57, 0x14, 0x9c, 0x9a, 0x12, 0x3e, 0x0d,
0x30, 0xaa, 0x30, 0x02, 0x20, 0xe0, 0x42, 0x1b, 0x91, 0xc6, 0xfd, 0xcd, 0xb4, 0x0e, 0x2a, 0x4d, 0x2c, 0xf3, 0x1d,
0xb2, 0xb4, 0xe1, 0x8b, 0x41, 0x1b, 0x1d, 0x3a, 0xd4, 0xd1, 0x2a, 0x9d, 0x90, 0xaa, 0x8e, 0x52, 0xfa, 0xe2, 0x26,
0x03, 0xfd, 0xc6, 0x5b, 0x28, 0xd0, 0xf1, 0xff, 0x3e, 0x00, 0x01, 0x00, 0x17, 0x73, 0x61, 0x6d, 0x70, 0x6c, 0x65,
0x5f, 0x76, 0x65, 0x6e, 0x64, 0x6f, 0x72, 0x5f, 0x72, 0x65, 0x73, 0x65, 0x72, 0x76, 0x65, 0x64, 0x31, 0xd0, 0xf1,
0xff, 0x3e, 0x00, 0x03, 0x00, 0x18, 0x76, 0x65, 0x6e, 0x64, 0x6f, 0x72, 0x5f, 0x72, 0x65, 0x73, 0x65, 0x72, 0x76,
0x65, 0x64, 0x33, 0x5f, 0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x18
};
// The following case has an extra top-level context-specific tag (254) with value 0xDEADBEEF, in the right order,
// that should not cause a failure and merely be ignored.
constexpr uint8_t attestationElementsTestVectorWithOneUnknownTag[] = {
0x15, 0x30, 0x01, 0x70, 0xd2, 0x84, 0x4b, 0xa2, 0x01, 0x26, 0x04, 0x46, 0x63, 0x73, 0x61, 0x63, 0x64, 0x30, 0xa0,
0x58, 0x1d, 0x15, 0x25, 0x01, 0x88, 0x99, 0x25, 0x02, 0xfe, 0xff, 0x25, 0x03, 0xd2, 0x04, 0x25, 0x04, 0x2e, 0x16,
0x24, 0x05, 0xaa, 0x25, 0x06, 0xde, 0xc0, 0x25, 0x07, 0x94, 0x26, 0x18, 0x58, 0x40, 0x96, 0x57, 0x2d, 0xd6, 0x3c,
0x03, 0x64, 0x0b, 0x28, 0x67, 0x02, 0xbd, 0x6b, 0xba, 0x48, 0xac, 0x7c, 0x83, 0x54, 0x9b, 0x68, 0x73, 0x29, 0x47,
0x48, 0xb9, 0x51, 0xd5, 0xab, 0x66, 0x62, 0x2e, 0x9d, 0x26, 0x10, 0x41, 0xf8, 0x0e, 0x97, 0x49, 0xfe, 0xff, 0x78,
0x10, 0x02, 0x49, 0x67, 0xae, 0xdf, 0x41, 0x38, 0x36, 0x5b, 0x0a, 0x22, 0x57, 0x14, 0x9c, 0x9a, 0x12, 0x3e, 0x0d,
0x30, 0xaa, 0x30, 0x02, 0x20, 0xe0, 0x42, 0x1b, 0x91, 0xc6, 0xfd, 0xcd, 0xb4, 0x0e, 0x2a, 0x4d, 0x2c, 0xf3, 0x1d,
0xb2, 0xb4, 0xe1, 0x8b, 0x41, 0x1b, 0x1d, 0x3a, 0xd4, 0xd1, 0x2a, 0x9d, 0x90, 0xaa, 0x8e, 0x52, 0xfa, 0xe2, 0x26,
0x03, 0xfd, 0xc6, 0x5b, 0x28, 0x26, 0xfe, 0xef, 0xbe, 0xad, 0xde, 0xd0, 0xf1, 0xff, 0x3e, 0x00, 0x01, 0x00, 0x17,
0x73, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x5f, 0x76, 0x65, 0x6e, 0x64, 0x6f, 0x72, 0x5f, 0x72, 0x65, 0x73, 0x65, 0x72,
0x76, 0x65, 0x64, 0x31, 0xd0, 0xf1, 0xff, 0x3e, 0x00, 0x03, 0x00, 0x18, 0x76, 0x65, 0x6e, 0x64, 0x6f, 0x72, 0x5f,
0x72, 0x65, 0x73, 0x65, 0x72, 0x76, 0x65, 0x64, 0x33, 0x5f, 0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x18,
};
constexpr uint8_t certificationDeclarationTestVector[] = {
0xd2, 0x84, 0x4b, 0xa2, 0x01, 0x26, 0x04, 0x46, 0x63, 0x73, 0x61, 0x63, 0x64, 0x30, 0xa0, 0x58, 0x1d, 0x15, 0x25,
0x01, 0x88, 0x99, 0x25, 0x02, 0xfe, 0xff, 0x25, 0x03, 0xd2, 0x04, 0x25, 0x04, 0x2e, 0x16, 0x24, 0x05, 0xaa, 0x25,
0x06, 0xde, 0xc0, 0x25, 0x07, 0x94, 0x26, 0x18, 0x58, 0x40, 0x96, 0x57, 0x2d, 0xd6, 0x3c, 0x03, 0x64, 0x0b, 0x28,
0x67, 0x02, 0xbd, 0x6b, 0xba, 0x48, 0xac, 0x7c, 0x83, 0x54, 0x9b, 0x68, 0x73, 0x29, 0x47, 0x48, 0xb9, 0x51, 0xd5,
0xab, 0x66, 0x62, 0x2e, 0x9d, 0x26, 0x10, 0x41, 0xf8, 0x0e, 0x97, 0x49, 0xfe, 0xff, 0x78, 0x10, 0x02, 0x49, 0x67,
0xae, 0xdf, 0x41, 0x38, 0x36, 0x5b, 0x0a, 0x22, 0x57, 0x14, 0x9c, 0x9a, 0x12, 0x3e, 0x0d, 0x30, 0xaa
};
constexpr uint8_t attestationNonceTestVector[] = { 0xe0, 0x42, 0x1b, 0x91, 0xc6, 0xfd, 0xcd, 0xb4, 0x0e, 0x2a, 0x4d,
0x2c, 0xf3, 0x1d, 0xb2, 0xb4, 0xe1, 0x8b, 0x41, 0x1b, 0x1d, 0x3a,
0xd4, 0xd1, 0x2a, 0x9d, 0x90, 0xaa, 0x8e, 0x52, 0xfa, 0xe2 };
constexpr uint32_t timestampTestVector = 677103357;
constexpr uint8_t vendorReserved1TestVector[] = { 0x73, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x5f, 0x76, 0x65, 0x6e, 0x64, 0x6f,
0x72, 0x5f, 0x72, 0x65, 0x73, 0x65, 0x72, 0x76, 0x65, 0x64, 0x31 };
constexpr uint8_t vendorReserved3TestVector[] = { 0x76, 0x65, 0x6e, 0x64, 0x6f, 0x72, 0x5f, 0x72, 0x65, 0x73, 0x65, 0x72,
0x76, 0x65, 0x64, 0x33, 0x5f, 0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65 };
const ByteSpan vendorReservedArrayTestVector[] = { ByteSpan{ vendorReserved1TestVector },
ByteSpan{ vendorReserved3TestVector } };
constexpr uint16_t vendorIdTestVector = 0xFFF1;
constexpr uint16_t profileNumTestVector = 0x003E;
const ByteSpan kTestCases[] = { ByteSpan{ attestationElementsTestVectorOnlyKnownTags },
ByteSpan{ attestationElementsTestVectorWithOneUnknownTag } };
// Try all test cases and see they are all OK
for (const ByteSpan & attestationElementsTestCase : kTestCases)
{
CHIP_ERROR err = CHIP_NO_ERROR;
ByteSpan certificationDeclarationDeconstructed;
ByteSpan attestationNonceDeconstructed;
uint32_t timestampDeconstructed;
ByteSpan firmwareInfoDeconstructed;
DeviceAttestationVendorReservedDeconstructor vendorReserved;
err = DeconstructAttestationElements(attestationElementsTestCase, certificationDeclarationDeconstructed,
attestationNonceDeconstructed, timestampDeconstructed, firmwareInfoDeconstructed,
vendorReserved);
NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR);
NL_TEST_ASSERT(inSuite, certificationDeclarationDeconstructed.data_equal(ByteSpan(certificationDeclarationTestVector)));
NL_TEST_ASSERT(inSuite, attestationNonceDeconstructed.data_equal(ByteSpan(attestationNonceTestVector)));
NL_TEST_ASSERT(inSuite, timestampTestVector == timestampDeconstructed);
NL_TEST_ASSERT(inSuite, firmwareInfoDeconstructed.empty());
NL_TEST_ASSERT(inSuite, ArraySize(vendorReservedArrayTestVector) == vendorReserved.GetNumberOfElements());
struct VendorReservedElement element;
while (vendorReserved.GetNextVendorReservedElement(element) == CHIP_NO_ERROR)
{
NL_TEST_ASSERT(inSuite, vendorIdTestVector == element.vendorId);
NL_TEST_ASSERT(inSuite, profileNumTestVector == element.profileNum);
switch (element.tagNum)
{
case 1:
NL_TEST_ASSERT(inSuite, element.vendorReservedData.data_equal(vendorReservedArrayTestVector[0]));
break;
case 3:
NL_TEST_ASSERT(inSuite, element.vendorReservedData.data_equal(vendorReservedArrayTestVector[1]));
break;
default:
NL_TEST_ASSERT(inSuite, 0);
break;
}
}
}
}
static void TestAttestationElements_DeconstructionNoVendorReserved(nlTestSuite * inSuite, void * inContext)
{
// This is a test case with only the known TLV tags fields
constexpr uint8_t attestationElementsTestVectorNoVendor[] = {
0x15, 0x30, 0x01, 0x70, 0xd2, 0x84, 0x4b, 0xa2, 0x01, 0x26, 0x04, 0x46, 0x63, 0x73, 0x61, 0x63, 0x64, 0x30, 0xa0, 0x58,
0x1d, 0x15, 0x25, 0x01, 0x88, 0x99, 0x25, 0x02, 0xfe, 0xff, 0x25, 0x03, 0xd2, 0x04, 0x25, 0x04, 0x2e, 0x16, 0x24, 0x05,
0xaa, 0x25, 0x06, 0xde, 0xc0, 0x25, 0x07, 0x94, 0x26, 0x18, 0x58, 0x40, 0x96, 0x57, 0x2d, 0xd6, 0x3c, 0x03, 0x64, 0x0b,
0x28, 0x67, 0x02, 0xbd, 0x6b, 0xba, 0x48, 0xac, 0x7c, 0x83, 0x54, 0x9b, 0x68, 0x73, 0x29, 0x47, 0x48, 0xb9, 0x51, 0xd5,
0xab, 0x66, 0x62, 0x2e, 0x9d, 0x26, 0x10, 0x41, 0xf8, 0x0e, 0x97, 0x49, 0xfe, 0xff, 0x78, 0x10, 0x02, 0x49, 0x67, 0xae,
0xdf, 0x41, 0x38, 0x36, 0x5b, 0x0a, 0x22, 0x57, 0x14, 0x9c, 0x9a, 0x12, 0x3e, 0x0d, 0x30, 0xaa, 0x30, 0x02, 0x20, 0xe0,
0x42, 0x1b, 0x91, 0xc6, 0xfd, 0xcd, 0xb4, 0x0e, 0x2a, 0x4d, 0x2c, 0xf3, 0x1d, 0xb2, 0xb4, 0xe1, 0x8b, 0x41, 0x1b, 0x1d,
0x3a, 0xd4, 0xd1, 0x2a, 0x9d, 0x90, 0xaa, 0x8e, 0x52, 0xfa, 0xe2, 0x26, 0x03, 0xfd, 0xc6, 0x5b, 0x28, 0x18
};
constexpr uint8_t certificationDeclarationTestVector[] = {
0xd2, 0x84, 0x4b, 0xa2, 0x01, 0x26, 0x04, 0x46, 0x63, 0x73, 0x61, 0x63, 0x64, 0x30, 0xa0, 0x58, 0x1d, 0x15, 0x25,
0x01, 0x88, 0x99, 0x25, 0x02, 0xfe, 0xff, 0x25, 0x03, 0xd2, 0x04, 0x25, 0x04, 0x2e, 0x16, 0x24, 0x05, 0xaa, 0x25,
0x06, 0xde, 0xc0, 0x25, 0x07, 0x94, 0x26, 0x18, 0x58, 0x40, 0x96, 0x57, 0x2d, 0xd6, 0x3c, 0x03, 0x64, 0x0b, 0x28,
0x67, 0x02, 0xbd, 0x6b, 0xba, 0x48, 0xac, 0x7c, 0x83, 0x54, 0x9b, 0x68, 0x73, 0x29, 0x47, 0x48, 0xb9, 0x51, 0xd5,
0xab, 0x66, 0x62, 0x2e, 0x9d, 0x26, 0x10, 0x41, 0xf8, 0x0e, 0x97, 0x49, 0xfe, 0xff, 0x78, 0x10, 0x02, 0x49, 0x67,
0xae, 0xdf, 0x41, 0x38, 0x36, 0x5b, 0x0a, 0x22, 0x57, 0x14, 0x9c, 0x9a, 0x12, 0x3e, 0x0d, 0x30, 0xaa
};
constexpr uint8_t attestationNonceTestVector[] = { 0xe0, 0x42, 0x1b, 0x91, 0xc6, 0xfd, 0xcd, 0xb4, 0x0e, 0x2a, 0x4d,
0x2c, 0xf3, 0x1d, 0xb2, 0xb4, 0xe1, 0x8b, 0x41, 0x1b, 0x1d, 0x3a,
0xd4, 0xd1, 0x2a, 0x9d, 0x90, 0xaa, 0x8e, 0x52, 0xfa, 0xe2 };
constexpr uint32_t timestampTestVector = 677103357;
CHIP_ERROR err = CHIP_NO_ERROR;
ByteSpan certificationDeclarationDeconstructed;
ByteSpan attestationNonceDeconstructed;
uint32_t timestampDeconstructed;
ByteSpan firmwareInfoDeconstructed;
DeviceAttestationVendorReservedDeconstructor vendorReserved;
err = DeconstructAttestationElements(ByteSpan{ attestationElementsTestVectorNoVendor }, certificationDeclarationDeconstructed,
attestationNonceDeconstructed, timestampDeconstructed, firmwareInfoDeconstructed,
vendorReserved);
NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR);
NL_TEST_ASSERT(inSuite, certificationDeclarationDeconstructed.data_equal(ByteSpan(certificationDeclarationTestVector)));
NL_TEST_ASSERT(inSuite, attestationNonceDeconstructed.data_equal(ByteSpan(attestationNonceTestVector)));
NL_TEST_ASSERT(inSuite, timestampTestVector == timestampDeconstructed);
NL_TEST_ASSERT(inSuite, firmwareInfoDeconstructed.empty());
NL_TEST_ASSERT(inSuite, 0 == vendorReserved.GetNumberOfElements());
struct VendorReservedElement element;
NL_TEST_ASSERT(inSuite, vendorReserved.GetNextVendorReservedElement(element) == CHIP_END_OF_TLV);
}
static void TestVendorReservedData(nlTestSuite * inSuite, void * inContext)
{
struct VendorReservedElement inputArray[] = { { 3000, 100, 10 }, { 2999, 99, 10 }, { 10, 20, 100 },
{ 100, 50, 200 }, { 3000, 100, 11 }, { 3000, 100, 9 } };
VendorReservedElement vendorReservedArray[6];
DeviceAttestationVendorReservedConstructor vendorReserved(vendorReservedArray, 6);
size_t i;
uint8_t strings[6][50];
for (i = 0; i < ArraySize(inputArray); i++)
{
snprintf(reinterpret_cast<char *>(strings[i]), sizeof(strings[i]), "Vendor Reserved Data #%d",
(int) i); // for debugging use
CHIP_ERROR err =
vendorReserved.addVendorReservedElement(inputArray[i].vendorId, inputArray[i].profileNum, inputArray[i].tagNum,
ByteSpan(strings[i], strlen(reinterpret_cast<char *>(strings[i]))));
NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR);
}
// manually figure out the order these should be read out in when sorted
struct VendorReservedElement * desiredOrder[] = {
&inputArray[2], &inputArray[3], &inputArray[1], &inputArray[5], &inputArray[0], &inputArray[4],
};
const struct VendorReservedElement * element = vendorReserved.cbegin();
NL_TEST_ASSERT(inSuite, element);
NL_TEST_ASSERT(inSuite, element = vendorReserved.Next());
for (i = 0; element && i < ArraySize(desiredOrder); element = vendorReserved.Next(), i++)
{
NL_TEST_ASSERT(inSuite,
element->vendorId == desiredOrder[i]->vendorId && element->profileNum == desiredOrder[i]->profileNum &&
element->tagNum == desiredOrder[i]->tagNum);
}
NL_TEST_ASSERT(inSuite, i == ArraySize(desiredOrder)); // check if previous loop matched for every array entry.
// add another element, it should fail
uint8_t testByteSpan[] = { 0x1, 0x2, 0x3 };
CHIP_ERROR err = vendorReserved.addVendorReservedElement(5, 10, 20, ByteSpan(testByteSpan));
NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_NO_MEMORY);
}
static void TestAttestationElements_DeconstructionWithFirmwareInfo(nlTestSuite * inSuite, void * inContext)
{
CHIP_ERROR err = CHIP_NO_ERROR;
static constexpr uint8_t attestationElementsTestVectorWithFirmwareInfo[] = {
0x15, 0x30, 0x01, 0x70, 0xd2, 0x84, 0x4b, 0xa2, 0x01, 0x26, 0x04, 0x46, 0x63, 0x73, 0x61, 0x63, 0x64, 0x30, 0xa0, 0x58,
0x1d, 0x15, 0x25, 0x01, 0x88, 0x99, 0x25, 0x02, 0xfe, 0xff, 0x25, 0x03, 0xd2, 0x04, 0x25, 0x04, 0x2e, 0x16, 0x24, 0x05,
0xaa, 0x25, 0x06, 0xde, 0xc0, 0x25, 0x07, 0x94, 0x26, 0x18, 0x58, 0x40, 0x96, 0x57, 0x2d, 0xd6, 0x3c, 0x03, 0x64, 0x0b,
0x28, 0x67, 0x02, 0xbd, 0x6b, 0xba, 0x48, 0xac, 0x7c, 0x83, 0x54, 0x9b, 0x68, 0x73, 0x29, 0x47, 0x48, 0xb9, 0x51, 0xd5,
0xab, 0x66, 0x62, 0x2e, 0x9d, 0x26, 0x10, 0x41, 0xf8, 0x0e, 0x97, 0x49, 0xfe, 0xff, 0x78, 0x10, 0x02, 0x49, 0x67, 0xae,
0xdf, 0x41, 0x38, 0x36, 0x5b, 0x0a, 0x22, 0x57, 0x14, 0x9c, 0x9a, 0x12, 0x3e, 0x0d, 0x30, 0xaa, 0x30, 0x02, 0x20, 0xe0,
0x42, 0x1b, 0x91, 0xc6, 0xfd, 0xcd, 0xb4, 0x0e, 0x2a, 0x4d, 0x2c, 0xf3, 0x1d, 0xb2, 0xb4, 0xe1, 0x8b, 0x41, 0x1b, 0x1d,
0x3a, 0xd4, 0xd1, 0x2a, 0x9d, 0x90, 0xaa, 0x8e, 0x52, 0xfa, 0xe2, 0x26, 0x03, 0xfd, 0xc6, 0x5b, 0x28, 0x30, 0x04, 0x69,
0x30, 0x67, 0x80, 0x01, 0x05, 0xA1, 0x62, 0x30, 0x2F, 0xA0, 0x0B, 0x80, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04,
0x02, 0x01, 0x81, 0x20, 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF,
0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF, 0x30, 0x2F, 0xA0, 0x0B,
0x80, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01, 0x81, 0x20, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16,
0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A,
0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0xd0, 0xf1, 0xff, 0x3e, 0x00, 0x01, 0x00, 0x17, 0x73, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x5f,
0x76, 0x65, 0x6e, 0x64, 0x6f, 0x72, 0x5f, 0x72, 0x65, 0x73, 0x65, 0x72, 0x76, 0x65, 0x64, 0x31, 0xd0, 0xf1, 0xff, 0x3e,
0x00, 0x03, 0x00, 0x18, 0x76, 0x65, 0x6e, 0x64, 0x6f, 0x72, 0x5f, 0x72, 0x65, 0x73, 0x65, 0x72, 0x76, 0x65, 0x64, 0x33,
0x5f, 0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x18
};
static constexpr uint8_t certificationDeclarationTestVector[] = {
0xd2, 0x84, 0x4b, 0xa2, 0x01, 0x26, 0x04, 0x46, 0x63, 0x73, 0x61, 0x63, 0x64, 0x30, 0xa0, 0x58, 0x1d, 0x15, 0x25,
0x01, 0x88, 0x99, 0x25, 0x02, 0xfe, 0xff, 0x25, 0x03, 0xd2, 0x04, 0x25, 0x04, 0x2e, 0x16, 0x24, 0x05, 0xaa, 0x25,
0x06, 0xde, 0xc0, 0x25, 0x07, 0x94, 0x26, 0x18, 0x58, 0x40, 0x96, 0x57, 0x2d, 0xd6, 0x3c, 0x03, 0x64, 0x0b, 0x28,
0x67, 0x02, 0xbd, 0x6b, 0xba, 0x48, 0xac, 0x7c, 0x83, 0x54, 0x9b, 0x68, 0x73, 0x29, 0x47, 0x48, 0xb9, 0x51, 0xd5,
0xab, 0x66, 0x62, 0x2e, 0x9d, 0x26, 0x10, 0x41, 0xf8, 0x0e, 0x97, 0x49, 0xfe, 0xff, 0x78, 0x10, 0x02, 0x49, 0x67,
0xae, 0xdf, 0x41, 0x38, 0x36, 0x5b, 0x0a, 0x22, 0x57, 0x14, 0x9c, 0x9a, 0x12, 0x3e, 0x0d, 0x30, 0xaa
};
static constexpr uint8_t attestationNonceTestVector[] = { 0xe0, 0x42, 0x1b, 0x91, 0xc6, 0xfd, 0xcd, 0xb4, 0x0e, 0x2a, 0x4d,
0x2c, 0xf3, 0x1d, 0xb2, 0xb4, 0xe1, 0x8b, 0x41, 0x1b, 0x1d, 0x3a,
0xd4, 0xd1, 0x2a, 0x9d, 0x90, 0xaa, 0x8e, 0x52, 0xfa, 0xe2 };
static constexpr uint32_t timestampTestVector = 677103357;
static constexpr uint8_t firmwareInfoTestVector[] = {
0x30, 0x67, 0x80, 0x01, 0x05, 0xA1, 0x62, 0x30, 0x2F, 0xA0, 0x0B, 0x80, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65,
0x03, 0x04, 0x02, 0x01, 0x81, 0x20, 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xAA, 0xBB,
0xCC, 0xDD, 0xEE, 0xFF, 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD,
0xEE, 0xFF, 0x30, 0x2F, 0xA0, 0x0B, 0x80, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01, 0x81,
0x20, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x10,
0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F
};
static constexpr uint8_t vendorReserved1TestVector[] = { 0x73, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x5f, 0x76, 0x65, 0x6e, 0x64, 0x6f,
0x72, 0x5f, 0x72, 0x65, 0x73, 0x65, 0x72, 0x76, 0x65, 0x64, 0x31 };
static constexpr uint8_t vendorReserved3TestVector[] = {
0x76, 0x65, 0x6e, 0x64, 0x6f, 0x72, 0x5f, 0x72, 0x65, 0x73, 0x65, 0x72,
0x76, 0x65, 0x64, 0x33, 0x5f, 0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65
};
static constexpr ByteSpan vendorReservedArrayTestVector[] = { ByteSpan(vendorReserved1TestVector),
ByteSpan(vendorReserved3TestVector) };
static constexpr uint16_t vendorIdTestVector = 0xFFF1;
static constexpr uint16_t profileNumTestVector = 0x003E;
ByteSpan certificationDeclarationDeconstructed;
ByteSpan attestationNonceDeconstructed;
uint32_t timestampDeconstructed;
ByteSpan firmwareInfoDeconstructed;
DeviceAttestationVendorReservedDeconstructor vendorReserved;
err = DeconstructAttestationElements(ByteSpan(attestationElementsTestVectorWithFirmwareInfo),
certificationDeclarationDeconstructed, attestationNonceDeconstructed,
timestampDeconstructed, firmwareInfoDeconstructed, vendorReserved);
NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR);
NL_TEST_ASSERT(inSuite, certificationDeclarationDeconstructed.data_equal(ByteSpan(certificationDeclarationTestVector)));
NL_TEST_ASSERT(inSuite, attestationNonceDeconstructed.data_equal(ByteSpan(attestationNonceTestVector)));
NL_TEST_ASSERT(inSuite, timestampTestVector == timestampDeconstructed);
NL_TEST_ASSERT(inSuite, firmwareInfoDeconstructed.data_equal(ByteSpan(firmwareInfoTestVector)));
NL_TEST_ASSERT(inSuite, ArraySize(vendorReservedArrayTestVector) == vendorReserved.GetNumberOfElements());
struct VendorReservedElement element;
size_t elementsSeen = 0;
while (vendorReserved.GetNextVendorReservedElement(element) == CHIP_NO_ERROR)
{
NL_TEST_ASSERT(inSuite, vendorIdTestVector == element.vendorId);
NL_TEST_ASSERT(inSuite, profileNumTestVector == element.profileNum);
switch (element.tagNum)
{
case 1:
NL_TEST_ASSERT(inSuite, element.vendorReservedData.data_equal(vendorReservedArrayTestVector[0]));
elementsSeen++;
break;
case 3:
NL_TEST_ASSERT(inSuite, element.vendorReservedData.data_equal(vendorReservedArrayTestVector[1]));
elementsSeen++;
break;
default:
NL_TEST_ASSERT(inSuite, 0);
break;
}
}
NL_TEST_ASSERT(inSuite, elementsSeen == ArraySize(vendorReservedArrayTestVector));
}
static void TestAttestationElements_DeconstructionUnordered(nlTestSuite * inSuite, void * inContext)
{
CHIP_ERROR err = CHIP_NO_ERROR;
static constexpr uint8_t attestationElementsUnorderedTestVector[] = {
0x15, 0x30, 0x02, 0x20, 0xe0, 0x42, 0x1b, 0x91, 0xc6, 0xfd, 0xcd, 0xb4, 0x0e, 0x2a, 0x4d, 0x2c, 0xf3, 0x1d, 0xb2,
0xb4, 0xe1, 0x8b, 0x41, 0x1b, 0x1d, 0x3a, 0xd4, 0xd1, 0x2a, 0x9d, 0x90, 0xaa, 0x8e, 0x52, 0xfa, 0xe2, 0x30, 0x01,
0x70, 0xd2, 0x84, 0x4b, 0xa2, 0x01, 0x26, 0x04, 0x46, 0x63, 0x73, 0x61, 0x63, 0x64, 0x30, 0xa0, 0x58, 0x1d, 0x15,
0x25, 0x01, 0x88, 0x99, 0x25, 0x02, 0xfe, 0xff, 0x25, 0x03, 0xd2, 0x04, 0x25, 0x04, 0x2e, 0x16, 0x24, 0x05, 0xaa,
0x25, 0x06, 0xde, 0xc0, 0x25, 0x07, 0x94, 0x26, 0x18, 0x58, 0x40, 0x96, 0x57, 0x2d, 0xd6, 0x3c, 0x03, 0x64, 0x0b,
0x28, 0x67, 0x02, 0xbd, 0x6b, 0xba, 0x48, 0xac, 0x7c, 0x83, 0x54, 0x9b, 0x68, 0x73, 0x29, 0x47, 0x48, 0xb9, 0x51,
0xd5, 0xab, 0x66, 0x62, 0x2e, 0x9d, 0x26, 0x10, 0x41, 0xf8, 0x0e, 0x97, 0x49, 0xfe, 0xff, 0x78, 0x10, 0x02, 0x49,
0x67, 0xae, 0xdf, 0x41, 0x38, 0x36, 0x5b, 0x0a, 0x22, 0x57, 0x14, 0x9c, 0x9a, 0x12, 0x3e, 0x0d, 0x30, 0xaa, 0x26,
0x03, 0xfd, 0xc6, 0x5b, 0x28, 0xd0, 0xf1, 0xff, 0x3e, 0x00, 0x01, 0x00, 0x17, 0x73, 0x61, 0x6d, 0x70, 0x6c, 0x65,
0x5f, 0x76, 0x65, 0x6e, 0x64, 0x6f, 0x72, 0x5f, 0x72, 0x65, 0x73, 0x65, 0x72, 0x76, 0x65, 0x64, 0x31, 0xd0, 0xf1,
0xff, 0x3e, 0x00, 0x03, 0x00, 0x18, 0x76, 0x65, 0x6e, 0x64, 0x6f, 0x72, 0x5f, 0x72, 0x65, 0x73, 0x65, 0x72, 0x76,
0x65, 0x64, 0x33, 0x5f, 0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x18
};
ByteSpan certificationDeclarationDeconstructed;
ByteSpan attestationNonceDeconstructed;
uint32_t timestampDeconstructed;
ByteSpan firmwareInfoDeconstructed;
DeviceAttestationVendorReservedDeconstructor vendorReserved;
err = DeconstructAttestationElements(ByteSpan(attestationElementsUnorderedTestVector), certificationDeclarationDeconstructed,
attestationNonceDeconstructed, timestampDeconstructed, firmwareInfoDeconstructed,
vendorReserved);
NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_UNEXPECTED_TLV_ELEMENT);
}
static void TestAttestationElements_DeconstructionCorruptedTLV(nlTestSuite * inSuite, void * inContext)
{
CHIP_ERROR err = CHIP_NO_ERROR;
using chip::FormatCHIPError;
// last element in the TLV 0x30 0x10 0x37 is engineered to generate a TLV
// underrun error -- the element claims to be an octet string with a length
// of 0x37 bytes but no data is actually present
constexpr uint8_t attestationElementsCorruptedTLVTestVector[] = {
0x15, 0x30, 0x01, 0x70, 0xd2, 0x84, 0x4b, 0xa2, 0x01, 0x26, 0x04, 0x46, 0x63, 0x73, 0x61, 0x63, 0x64, 0x30, 0xa0, 0x58,
0x1d, 0x15, 0x25, 0x01, 0x88, 0x99, 0x25, 0x02, 0xfe, 0xff, 0x25, 0x03, 0xd2, 0x04, 0x25, 0x04, 0x2e, 0x16, 0x24, 0x05,
0xaa, 0x25, 0x06, 0xde, 0xc0, 0x25, 0x07, 0x94, 0x26, 0x18, 0x58, 0x40, 0x96, 0x57, 0x2d, 0xd6, 0x3c, 0x03, 0x64, 0x0b,
0x28, 0x67, 0x02, 0xbd, 0x6b, 0xba, 0x48, 0xac, 0x7c, 0x83, 0x54, 0x9b, 0x68, 0x73, 0x29, 0x47, 0x48, 0xb9, 0x51, 0xd5,
0xab, 0x66, 0x62, 0x2e, 0x9d, 0x26, 0x10, 0x41, 0xf8, 0x0e, 0x97, 0x49, 0xfe, 0xff, 0x78, 0x10, 0x02, 0x49, 0x67, 0xae,
0xdf, 0x41, 0x38, 0x36, 0x5b, 0x0a, 0x22, 0x57, 0x14, 0x9c, 0x9a, 0x12, 0x3e, 0x0d, 0x30, 0xaa, 0x30, 0x02, 0x20, 0xe0,
0x42, 0x1b, 0x91, 0xc6, 0xfd, 0xcd, 0xb4, 0x0e, 0x2a, 0x4d, 0x2c, 0xf3, 0x1d, 0xb2, 0xb4, 0xe1, 0x8b, 0x41, 0x1b, 0x1d,
0x3a, 0xd4, 0xd1, 0x2a, 0x9d, 0x90, 0xaa, 0x8e, 0x52, 0xfa, 0xe2, 0x26, 0x03, 0xfd, 0xc6, 0x5b, 0x28, 0x30, 0x10, 0x37
};
DeviceAttestationVendorReservedDeconstructor vendorReserved;
size_t count = 2;
err = vendorReserved.PrepareToReadVendorReservedElements(ByteSpan(attestationElementsCorruptedTLVTestVector), count);
NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_TLV_UNDERRUN);
}
static void TestNocsrElements_Construction(nlTestSuite * inSuite, void * inContext)
{
static constexpr uint8_t kNocsrNonce[32] = {
0x81, 0x4a, 0x4d, 0x4c, 0x1c, 0x4a, 0x8e, 0xbb, 0xea, 0xdb, 0x0a, 0xe2, 0x82, 0xf9, 0x91, 0xeb,
0x13, 0xac, 0x5f, 0x9f, 0xce, 0x94, 0x30, 0x93, 0x19, 0xaa, 0x94, 0x09, 0x6c, 0x8c, 0xd4, 0xb8,
};
static constexpr uint8_t kExampleCsr[221] = {
0x30, 0x81, 0xda, 0x30, 0x81, 0x81, 0x02, 0x01, 0x00, 0x30, 0x0e, 0x31, 0x0c, 0x30, 0x0a, 0x06, 0x03, 0x55, 0x04,
0x0a, 0x0c, 0x03, 0x43, 0x53, 0x41, 0x30, 0x59, 0x30, 0x13, 0x06, 0x07, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x02, 0x01,
0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x03, 0x01, 0x07, 0x03, 0x42, 0x00, 0x04, 0x5c, 0xa2, 0x79, 0xe3, 0x66,
0x82, 0xc2, 0xd4, 0x6c, 0xe7, 0xd4, 0xcf, 0x89, 0x67, 0x84, 0x67, 0x08, 0xb5, 0xb9, 0xf8, 0x5b, 0x9c, 0xda, 0xfd,
0x8c, 0xa8, 0x85, 0x26, 0x12, 0xcb, 0x0f, 0x0c, 0x7a, 0x71, 0x31, 0x4e, 0xc8, 0xdc, 0x9c, 0x96, 0x34, 0xdd, 0xee,
0xfe, 0xe9, 0xf6, 0x3f, 0x0e, 0x8b, 0xd7, 0xda, 0xcf, 0xc3, 0xb6, 0xa4, 0x53, 0x2a, 0xad, 0xd8, 0x9a, 0x96, 0x51,
0xcd, 0x6e, 0xa0, 0x11, 0x30, 0x0f, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x09, 0x0e, 0x31, 0x02,
0x30, 0x00, 0x30, 0x0a, 0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x04, 0x03, 0x02, 0x03, 0x48, 0x00, 0x30, 0x45,
0x02, 0x20, 0x0e, 0x67, 0x5e, 0xe1, 0xb3, 0xbb, 0xfe, 0x15, 0x2a, 0x17, 0x4a, 0xf5, 0x35, 0xe2, 0x2d, 0x55, 0xce,
0x10, 0xc1, 0x50, 0xca, 0xc0, 0x1b, 0x31, 0x18, 0xde, 0x05, 0xe8, 0xfd, 0x9f, 0x10, 0x48, 0x02, 0x21, 0x00, 0xd8,
0x8c, 0x57, 0xcc, 0x6e, 0x74, 0xf0, 0xe5, 0x48, 0x8a, 0x26, 0x16, 0x7a, 0x07, 0xfd, 0x6d, 0xbe, 0xf1, 0xaa, 0xad,
0x72, 0x1c, 0x58, 0x0b, 0x6e, 0xae, 0x21, 0xbe, 0x5e, 0x6d, 0x0c, 0x72,
};
const uint8_t kVendorReserved1[23] = {
0x73, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x5f, 0x76, 0x65, 0x6e, 0x64, 0x6f,
0x72, 0x5f, 0x72, 0x65, 0x73, 0x65, 0x72, 0x76, 0x65, 0x64, 0x31,
};
const uint8_t kVendorReserved3[24] = {
0x76, 0x65, 0x6e, 0x64, 0x6f, 0x72, 0x5f, 0x72, 0x65, 0x73, 0x65, 0x72,
0x76, 0x65, 0x64, 0x33, 0x5f, 0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65,
};
const uint8_t kNoCsrElementsVector[314] = {
0x15, 0x30, 0x01, 0xdd, 0x30, 0x81, 0xda, 0x30, 0x81, 0x81, 0x02, 0x01, 0x00, 0x30, 0x0e, 0x31, 0x0c, 0x30, 0x0a, 0x06,
0x03, 0x55, 0x04, 0x0a, 0x0c, 0x03, 0x43, 0x53, 0x41, 0x30, 0x59, 0x30, 0x13, 0x06, 0x07, 0x2a, 0x86, 0x48, 0xce, 0x3d,
0x02, 0x01, 0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x03, 0x01, 0x07, 0x03, 0x42, 0x00, 0x04, 0x5c, 0xa2, 0x79, 0xe3,
0x66, 0x82, 0xc2, 0xd4, 0x6c, 0xe7, 0xd4, 0xcf, 0x89, 0x67, 0x84, 0x67, 0x08, 0xb5, 0xb9, 0xf8, 0x5b, 0x9c, 0xda, 0xfd,
0x8c, 0xa8, 0x85, 0x26, 0x12, 0xcb, 0x0f, 0x0c, 0x7a, 0x71, 0x31, 0x4e, 0xc8, 0xdc, 0x9c, 0x96, 0x34, 0xdd, 0xee, 0xfe,
0xe9, 0xf6, 0x3f, 0x0e, 0x8b, 0xd7, 0xda, 0xcf, 0xc3, 0xb6, 0xa4, 0x53, 0x2a, 0xad, 0xd8, 0x9a, 0x96, 0x51, 0xcd, 0x6e,
0xa0, 0x11, 0x30, 0x0f, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x09, 0x0e, 0x31, 0x02, 0x30, 0x00, 0x30,
0x0a, 0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x04, 0x03, 0x02, 0x03, 0x48, 0x00, 0x30, 0x45, 0x02, 0x20, 0x0e, 0x67,
0x5e, 0xe1, 0xb3, 0xbb, 0xfe, 0x15, 0x2a, 0x17, 0x4a, 0xf5, 0x35, 0xe2, 0x2d, 0x55, 0xce, 0x10, 0xc1, 0x50, 0xca, 0xc0,
0x1b, 0x31, 0x18, 0xde, 0x05, 0xe8, 0xfd, 0x9f, 0x10, 0x48, 0x02, 0x21, 0x00, 0xd8, 0x8c, 0x57, 0xcc, 0x6e, 0x74, 0xf0,
0xe5, 0x48, 0x8a, 0x26, 0x16, 0x7a, 0x07, 0xfd, 0x6d, 0xbe, 0xf1, 0xaa, 0xad, 0x72, 0x1c, 0x58, 0x0b, 0x6e, 0xae, 0x21,
0xbe, 0x5e, 0x6d, 0x0c, 0x72, 0x30, 0x02, 0x20, 0x81, 0x4a, 0x4d, 0x4c, 0x1c, 0x4a, 0x8e, 0xbb, 0xea, 0xdb, 0x0a, 0xe2,
0x82, 0xf9, 0x91, 0xeb, 0x13, 0xac, 0x5f, 0x9f, 0xce, 0x94, 0x30, 0x93, 0x19, 0xaa, 0x94, 0x09, 0x6c, 0x8c, 0xd4, 0xb8,
0x30, 0x03, 0x17, 0x73, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x5f, 0x76, 0x65, 0x6e, 0x64, 0x6f, 0x72, 0x5f, 0x72, 0x65, 0x73,
0x65, 0x72, 0x76, 0x65, 0x64, 0x31, 0x30, 0x05, 0x18, 0x76, 0x65, 0x6e, 0x64, 0x6f, 0x72, 0x5f, 0x72, 0x65, 0x73, 0x65,
0x72, 0x76, 0x65, 0x64, 0x33, 0x5f, 0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x18,
};
Platform::ScopedMemoryBuffer<uint8_t> nocsrElements;
size_t nocsrElementsLen =
TLV::EstimateStructOverhead(sizeof(kExampleCsr), sizeof(kNocsrNonce), sizeof(kVendorReserved1), sizeof(kVendorReserved3));
nocsrElements.Alloc(nocsrElementsLen);
NL_TEST_ASSERT(inSuite, nocsrElements.Get() != nullptr);
MutableByteSpan nocsrElementsSpan(nocsrElements.Get(), nocsrElementsLen);
CHIP_ERROR err = ConstructNOCSRElements(ByteSpan(kExampleCsr), ByteSpan(kNocsrNonce), ByteSpan{ kVendorReserved1 }, ByteSpan{},
ByteSpan{ kVendorReserved3 }, nocsrElementsSpan);
NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR);
NL_TEST_ASSERT(inSuite, nocsrElementsSpan.size() <= nocsrElementsLen);
NL_TEST_ASSERT(inSuite, nocsrElementsSpan.data_equal(ByteSpan(kNoCsrElementsVector)));
}
static void TestNocsrElements_Deconstruction(nlTestSuite * inSuite, void * inContext)
{
static constexpr uint8_t kNocsrNonce[32] = {
0x81, 0x4a, 0x4d, 0x4c, 0x1c, 0x4a, 0x8e, 0xbb, 0xea, 0xdb, 0x0a, 0xe2, 0x82, 0xf9, 0x91, 0xeb,
0x13, 0xac, 0x5f, 0x9f, 0xce, 0x94, 0x30, 0x93, 0x19, 0xaa, 0x94, 0x09, 0x6c, 0x8c, 0xd4, 0xb8,
};
static constexpr uint8_t kExampleCsr[221] = {
0x30, 0x81, 0xda, 0x30, 0x81, 0x81, 0x02, 0x01, 0x00, 0x30, 0x0e, 0x31, 0x0c, 0x30, 0x0a, 0x06, 0x03, 0x55, 0x04,
0x0a, 0x0c, 0x03, 0x43, 0x53, 0x41, 0x30, 0x59, 0x30, 0x13, 0x06, 0x07, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x02, 0x01,
0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x03, 0x01, 0x07, 0x03, 0x42, 0x00, 0x04, 0x5c, 0xa2, 0x79, 0xe3, 0x66,
0x82, 0xc2, 0xd4, 0x6c, 0xe7, 0xd4, 0xcf, 0x89, 0x67, 0x84, 0x67, 0x08, 0xb5, 0xb9, 0xf8, 0x5b, 0x9c, 0xda, 0xfd,
0x8c, 0xa8, 0x85, 0x26, 0x12, 0xcb, 0x0f, 0x0c, 0x7a, 0x71, 0x31, 0x4e, 0xc8, 0xdc, 0x9c, 0x96, 0x34, 0xdd, 0xee,
0xfe, 0xe9, 0xf6, 0x3f, 0x0e, 0x8b, 0xd7, 0xda, 0xcf, 0xc3, 0xb6, 0xa4, 0x53, 0x2a, 0xad, 0xd8, 0x9a, 0x96, 0x51,
0xcd, 0x6e, 0xa0, 0x11, 0x30, 0x0f, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x09, 0x0e, 0x31, 0x02,
0x30, 0x00, 0x30, 0x0a, 0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x04, 0x03, 0x02, 0x03, 0x48, 0x00, 0x30, 0x45,
0x02, 0x20, 0x0e, 0x67, 0x5e, 0xe1, 0xb3, 0xbb, 0xfe, 0x15, 0x2a, 0x17, 0x4a, 0xf5, 0x35, 0xe2, 0x2d, 0x55, 0xce,
0x10, 0xc1, 0x50, 0xca, 0xc0, 0x1b, 0x31, 0x18, 0xde, 0x05, 0xe8, 0xfd, 0x9f, 0x10, 0x48, 0x02, 0x21, 0x00, 0xd8,
0x8c, 0x57, 0xcc, 0x6e, 0x74, 0xf0, 0xe5, 0x48, 0x8a, 0x26, 0x16, 0x7a, 0x07, 0xfd, 0x6d, 0xbe, 0xf1, 0xaa, 0xad,
0x72, 0x1c, 0x58, 0x0b, 0x6e, 0xae, 0x21, 0xbe, 0x5e, 0x6d, 0x0c, 0x72,
};
const uint8_t kVendorReserved1[23] = {
0x73, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x5f, 0x76, 0x65, 0x6e, 0x64, 0x6f,
0x72, 0x5f, 0x72, 0x65, 0x73, 0x65, 0x72, 0x76, 0x65, 0x64, 0x31,
};
const uint8_t kVendorReserved3[24] = {
0x76, 0x65, 0x6e, 0x64, 0x6f, 0x72, 0x5f, 0x72, 0x65, 0x73, 0x65, 0x72,
0x76, 0x65, 0x64, 0x33, 0x5f, 0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65,
};
const uint8_t kNoCsrElementsVector[314] = {
0x15, 0x30, 0x01, 0xdd, 0x30, 0x81, 0xda, 0x30, 0x81, 0x81, 0x02, 0x01, 0x00, 0x30, 0x0e, 0x31, 0x0c, 0x30, 0x0a, 0x06,
0x03, 0x55, 0x04, 0x0a, 0x0c, 0x03, 0x43, 0x53, 0x41, 0x30, 0x59, 0x30, 0x13, 0x06, 0x07, 0x2a, 0x86, 0x48, 0xce, 0x3d,
0x02, 0x01, 0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x03, 0x01, 0x07, 0x03, 0x42, 0x00, 0x04, 0x5c, 0xa2, 0x79, 0xe3,
0x66, 0x82, 0xc2, 0xd4, 0x6c, 0xe7, 0xd4, 0xcf, 0x89, 0x67, 0x84, 0x67, 0x08, 0xb5, 0xb9, 0xf8, 0x5b, 0x9c, 0xda, 0xfd,
0x8c, 0xa8, 0x85, 0x26, 0x12, 0xcb, 0x0f, 0x0c, 0x7a, 0x71, 0x31, 0x4e, 0xc8, 0xdc, 0x9c, 0x96, 0x34, 0xdd, 0xee, 0xfe,
0xe9, 0xf6, 0x3f, 0x0e, 0x8b, 0xd7, 0xda, 0xcf, 0xc3, 0xb6, 0xa4, 0x53, 0x2a, 0xad, 0xd8, 0x9a, 0x96, 0x51, 0xcd, 0x6e,
0xa0, 0x11, 0x30, 0x0f, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x09, 0x0e, 0x31, 0x02, 0x30, 0x00, 0x30,
0x0a, 0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x04, 0x03, 0x02, 0x03, 0x48, 0x00, 0x30, 0x45, 0x02, 0x20, 0x0e, 0x67,
0x5e, 0xe1, 0xb3, 0xbb, 0xfe, 0x15, 0x2a, 0x17, 0x4a, 0xf5, 0x35, 0xe2, 0x2d, 0x55, 0xce, 0x10, 0xc1, 0x50, 0xca, 0xc0,
0x1b, 0x31, 0x18, 0xde, 0x05, 0xe8, 0xfd, 0x9f, 0x10, 0x48, 0x02, 0x21, 0x00, 0xd8, 0x8c, 0x57, 0xcc, 0x6e, 0x74, 0xf0,
0xe5, 0x48, 0x8a, 0x26, 0x16, 0x7a, 0x07, 0xfd, 0x6d, 0xbe, 0xf1, 0xaa, 0xad, 0x72, 0x1c, 0x58, 0x0b, 0x6e, 0xae, 0x21,
0xbe, 0x5e, 0x6d, 0x0c, 0x72, 0x30, 0x02, 0x20, 0x81, 0x4a, 0x4d, 0x4c, 0x1c, 0x4a, 0x8e, 0xbb, 0xea, 0xdb, 0x0a, 0xe2,
0x82, 0xf9, 0x91, 0xeb, 0x13, 0xac, 0x5f, 0x9f, 0xce, 0x94, 0x30, 0x93, 0x19, 0xaa, 0x94, 0x09, 0x6c, 0x8c, 0xd4, 0xb8,
0x30, 0x03, 0x17, 0x73, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x5f, 0x76, 0x65, 0x6e, 0x64, 0x6f, 0x72, 0x5f, 0x72, 0x65, 0x73,
0x65, 0x72, 0x76, 0x65, 0x64, 0x31, 0x30, 0x05, 0x18, 0x76, 0x65, 0x6e, 0x64, 0x6f, 0x72, 0x5f, 0x72, 0x65, 0x73, 0x65,
0x72, 0x76, 0x65, 0x64, 0x33, 0x5f, 0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x18,
};
ByteSpan csrSpan;
ByteSpan csrNonceSpan;
ByteSpan vendorReserved1Span;
ByteSpan vendorReserved2Span;
ByteSpan vendorReserved3Span;
CHIP_ERROR err = DeconstructNOCSRElements(ByteSpan(kNoCsrElementsVector), csrSpan, csrNonceSpan, vendorReserved1Span,
vendorReserved2Span, vendorReserved3Span);
NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR);
NL_TEST_ASSERT(inSuite, csrSpan.data_equal(ByteSpan(kExampleCsr)));
NL_TEST_ASSERT(inSuite, csrNonceSpan.data_equal(ByteSpan(kNocsrNonce)));
NL_TEST_ASSERT(inSuite, vendorReserved1Span.data_equal(ByteSpan(kVendorReserved1)));
NL_TEST_ASSERT(inSuite, vendorReserved2Span.empty());
NL_TEST_ASSERT(inSuite, vendorReserved3Span.data_equal(ByteSpan(kVendorReserved3)));
}
/**
* Test Suite. It lists all the test functions.
*/
// clang-format off
static const nlTest sTests[] = {
NL_TEST_DEF("Test Device Attestation Elements Roundtrip", TestAttestationElements_Roundtrip),
NL_TEST_DEF("Test Device Attestation Elements Construction", TestAttestationElements_Construction),
NL_TEST_DEF("Test Device Attestation Elements Deconstruction", TestAttestationElements_Deconstruction),
NL_TEST_DEF("Test Vendor Reserved Data Ordering", TestVendorReservedData),
NL_TEST_DEF("Test Device Attestation Elements Deconstruction with Firmware Information", TestAttestationElements_DeconstructionWithFirmwareInfo),
NL_TEST_DEF("Test Device Attestation Elements Deconstruction - Corrupted/Out of Order TLV", TestAttestationElements_DeconstructionUnordered),
NL_TEST_DEF("Test Device Attestation Elements Deconstruction - Corrupted TLV -- vendor reserved elements", TestAttestationElements_DeconstructionCorruptedTLV),
NL_TEST_DEF("Test Device Attestation Elements Deconstruction - No vendor reserved", TestAttestationElements_DeconstructionNoVendorReserved),
NL_TEST_DEF("Test Device NOCSR Elements Construction", TestNocsrElements_Construction),
NL_TEST_DEF("Test Device NOCSR Elements Deconstruction", TestNocsrElements_Deconstruction),
NL_TEST_SENTINEL()
};
// clang-format on
/**
* Set up the test suite.
*/
int TestDeviceAttestationElementsConstruction_Setup(void * inContext)
{
CHIP_ERROR error = chip::Platform::MemoryInit();
if (error != CHIP_NO_ERROR)
return FAILURE;
return SUCCESS;
}
/**
* Tear down the test suite.
*/
int TestDeviceAttestationElementsConstruction_Teardown(void * inContext)
{
chip::Platform::MemoryShutdown();
return SUCCESS;
}
int TestDeviceAttestationElementsConstruction()
{
// clang-format off
nlTestSuite theSuite =
{
"Device Attestation Elements Construction",
&sTests[0],
TestDeviceAttestationElementsConstruction_Setup,
TestDeviceAttestationElementsConstruction_Teardown
};
// clang-format on
nlTestRunner(&theSuite, nullptr);
return (nlTestRunnerStats(&theSuite));
}
CHIP_REGISTER_TEST_SUITE(TestDeviceAttestationElementsConstruction);