| /* |
| * |
| * 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 <crypto/CHIPCryptoPAL.h> |
| |
| #include <credentials/CHIPCert.h> |
| #include <credentials/CertificationDeclaration.h> |
| #include <credentials/DeviceAttestationCredsProvider.h> |
| #include <credentials/attestation_verifier/DefaultDeviceAttestationVerifier.h> |
| #include <credentials/attestation_verifier/DeviceAttestationVerifier.h> |
| #include <credentials/examples/DeviceAttestationCredsExample.h> |
| #include <credentials/examples/ExampleDACs.h> |
| #include <credentials/examples/ExamplePAI.h> |
| |
| #include <lib/core/CHIPError.h> |
| #include <lib/support/CHIPMem.h> |
| #include <lib/support/Span.h> |
| #include <lib/support/UnitTestRegistration.h> |
| |
| #include <nlunit-test.h> |
| |
| #include "CHIPAttCert_test_vectors.h" |
| |
| using namespace chip; |
| using namespace chip::Crypto; |
| using namespace chip::Credentials; |
| |
| namespace { |
| |
| // Example Credentials impl uses development certs. |
| static const ByteSpan kExpectedDacPublicKey = DevelopmentCerts::kDacPublicKey; |
| static const ByteSpan kExpectedPaiPublicKey = DevelopmentCerts::kPaiPublicKey; |
| |
| } // namespace |
| |
| static void TestDACProvidersExample_Providers(nlTestSuite * inSuite, void * inContext) |
| { |
| uint8_t der_cert_buf[kMaxDERCertLength]; |
| MutableByteSpan der_cert_span(der_cert_buf); |
| |
| // Make sure default provider exists and is not implemented on at least one method |
| DeviceAttestationCredentialsProvider * default_provider = GetDeviceAttestationCredentialsProvider(); |
| NL_TEST_ASSERT(inSuite, default_provider != nullptr); |
| |
| CHIP_ERROR err = default_provider->GetDeviceAttestationCert(der_cert_span); |
| NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_NOT_IMPLEMENTED); |
| |
| // Replace default provider with example provider |
| DeviceAttestationCredentialsProvider * example_dac_provider = Examples::GetExampleDACProvider(); |
| NL_TEST_ASSERT(inSuite, example_dac_provider != nullptr); |
| NL_TEST_ASSERT(inSuite, default_provider != example_dac_provider); |
| |
| SetDeviceAttestationCredentialsProvider(example_dac_provider); |
| default_provider = GetDeviceAttestationCredentialsProvider(); |
| NL_TEST_ASSERT(inSuite, default_provider == example_dac_provider); |
| |
| // Make sure DAC is what we expect, by validating public key |
| memset(der_cert_span.data(), 0, der_cert_span.size()); |
| err = example_dac_provider->GetDeviceAttestationCert(der_cert_span); |
| NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR); |
| |
| P256PublicKey dac_public_key; |
| err = ExtractPubkeyFromX509Cert(der_cert_span, dac_public_key); |
| NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR); |
| NL_TEST_ASSERT(inSuite, dac_public_key.Length() == kExpectedDacPublicKey.size()); |
| NL_TEST_ASSERT(inSuite, 0 == memcmp(dac_public_key.ConstBytes(), kExpectedDacPublicKey.data(), kExpectedDacPublicKey.size())); |
| |
| // Make sure PAI is what we expect, by validating public key |
| der_cert_span = MutableByteSpan{ der_cert_span }; |
| memset(der_cert_span.data(), 0, der_cert_span.size()); |
| err = example_dac_provider->GetProductAttestationIntermediateCert(der_cert_span); |
| NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR); |
| |
| P256PublicKey pai_public_key; |
| err = ExtractPubkeyFromX509Cert(der_cert_span, pai_public_key); |
| NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR); |
| NL_TEST_ASSERT(inSuite, pai_public_key.Length() == kExpectedPaiPublicKey.size()); |
| NL_TEST_ASSERT(inSuite, 0 == memcmp(pai_public_key.ConstBytes(), kExpectedPaiPublicKey.data(), kExpectedPaiPublicKey.size())); |
| |
| // Check for CD presence |
| uint8_t other_data_buf[kMaxCMSSignedCDMessage]; |
| MutableByteSpan other_data_span(other_data_buf); |
| memset(other_data_span.data(), 0, other_data_span.size()); |
| |
| err = example_dac_provider->GetCertificationDeclaration(other_data_span); |
| NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR); |
| NL_TEST_ASSERT(inSuite, other_data_span.size() > 0); |
| NL_TEST_ASSERT(inSuite, other_data_span.data()[0] != 0); |
| |
| // Check for firmware information presence |
| other_data_span = MutableByteSpan{ other_data_buf }; |
| memset(other_data_span.data(), 0, other_data_span.size()); |
| |
| err = example_dac_provider->GetFirmwareInformation(other_data_span); |
| NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR); |
| NL_TEST_ASSERT(inSuite, other_data_span.size() == 0); |
| } |
| |
| static void TestDACProvidersExample_Signature(nlTestSuite * inSuite, void * inContext) |
| { |
| constexpr uint8_t kExampleMessage[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x10, 0x11, 0x12, |
| 0x13, 0x14, 0x15, 0x16, 0x17, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, |
| 0x26, 0x27, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37 }; |
| |
| DeviceAttestationCredentialsProvider * example_dac_provider = Examples::GetExampleDACProvider(); |
| NL_TEST_ASSERT(inSuite, example_dac_provider != nullptr); |
| |
| // Sign using the example attestation private key |
| P256ECDSASignature da_signature; |
| MutableByteSpan out_sig_span(da_signature.Bytes(), da_signature.Capacity()); |
| CHIP_ERROR err = example_dac_provider->SignWithDeviceAttestationKey(ByteSpan{ kExampleMessage }, out_sig_span); |
| NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR); |
| |
| NL_TEST_ASSERT(inSuite, out_sig_span.size() == kP256_ECDSA_Signature_Length_Raw); |
| da_signature.SetLength(out_sig_span.size()); |
| |
| // Get DAC from the provider |
| uint8_t dac_cert_buf[kMaxDERCertLength]; |
| MutableByteSpan dac_cert_span(dac_cert_buf); |
| |
| memset(dac_cert_span.data(), 0, dac_cert_span.size()); |
| err = example_dac_provider->GetDeviceAttestationCert(dac_cert_span); |
| NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR); |
| |
| // Extract public key from DAC, prior to signature verification |
| P256PublicKey dac_public_key; |
| err = ExtractPubkeyFromX509Cert(dac_cert_span, dac_public_key); |
| NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR); |
| NL_TEST_ASSERT(inSuite, dac_public_key.Length() == kExpectedDacPublicKey.size()); |
| NL_TEST_ASSERT(inSuite, 0 == memcmp(dac_public_key.ConstBytes(), kExpectedDacPublicKey.data(), kExpectedDacPublicKey.size())); |
| |
| // Verify round trip signature |
| err = dac_public_key.ECDSA_validate_msg_signature(&kExampleMessage[0], sizeof(kExampleMessage), da_signature); |
| NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR); |
| } |
| |
| static void OnAttestationInformationVerificationCallback(void * context, AttestationVerificationResult result) |
| { |
| AttestationVerificationResult * pResult = reinterpret_cast<AttestationVerificationResult *>(context); |
| *pResult = result; |
| } |
| |
| static void TestDACVerifierExample_AttestationInfoVerification(nlTestSuite * inSuite, void * inContext) |
| { |
| uint8_t attestationElementsTestVector[] = { |
| 0x15, 0x30, 0x01, 0xeb, 0x30, 0x81, 0xe8, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x07, 0x02, 0xa0, 0x81, |
| 0xda, 0x30, 0x81, 0xd7, 0x02, 0x01, 0x03, 0x31, 0x0d, 0x30, 0x0b, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, |
| 0x02, 0x01, 0x30, 0x45, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x07, 0x01, 0xa0, 0x38, 0x04, 0x36, 0x15, |
| 0x24, 0x00, 0x01, 0x25, 0x01, 0xf1, 0xff, 0x36, 0x02, 0x05, 0x00, 0x80, 0x18, 0x25, 0x03, 0x34, 0x12, 0x2c, 0x04, 0x13, |
| 0x5a, 0x49, 0x47, 0x32, 0x30, 0x31, 0x34, 0x31, 0x5a, 0x42, 0x33, 0x33, 0x30, 0x30, 0x30, 0x31, 0x2d, 0x32, 0x34, 0x24, |
| 0x05, 0x00, 0x24, 0x06, 0x00, 0x25, 0x07, 0x94, 0x26, 0x24, 0x08, 0x00, 0x18, 0x31, 0x7c, 0x30, 0x7a, 0x02, 0x01, 0x03, |
| 0x80, 0x14, 0x62, 0xfa, 0x82, 0x33, 0x59, 0xac, 0xfa, 0xa9, 0x96, 0x3e, 0x1c, 0xfa, 0x14, 0x0a, 0xdd, 0xf5, 0x04, 0xf3, |
| 0x71, 0x60, 0x30, 0x0b, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01, 0x30, 0x0a, 0x06, 0x08, 0x2a, |
| 0x86, 0x48, 0xce, 0x3d, 0x04, 0x03, 0x02, 0x04, 0x46, 0x30, 0x44, 0x02, 0x20, 0x43, 0xa6, 0x3f, 0x2b, 0x94, 0x3d, 0xf3, |
| 0x3c, 0x38, 0xb3, 0xe0, 0x2f, 0xca, 0xa7, 0x5f, 0xe3, 0x53, 0x2a, 0xeb, 0xbf, 0x5e, 0x63, 0xf5, 0xbb, 0xdb, 0xc0, 0xb1, |
| 0xf0, 0x1d, 0x3c, 0x4f, 0x60, 0x02, 0x20, 0x4c, 0x1a, 0xbf, 0x5f, 0x18, 0x07, 0xb8, 0x18, 0x94, 0xb1, 0x57, 0x6c, 0x47, |
| 0xe4, 0x72, 0x4e, 0x4d, 0x96, 0x6c, 0x61, 0x2e, 0xd3, 0xfa, 0x25, 0xc1, 0x18, 0xc3, 0xf2, 0xb3, 0xf9, 0x03, 0x69, 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 |
| }; |
| uint8_t attestationChallengeTestVector[] = { 0x7a, 0x49, 0x53, 0x05, 0xd0, 0x77, 0x79, 0xa4, |
| 0x94, 0xdd, 0x39, 0xa0, 0x85, 0x1b, 0x66, 0x0d }; |
| uint8_t attestationSignatureTestVector[] = { 0x79, 0x82, 0x53, 0x5d, 0x24, 0xcf, 0xe1, 0x4a, 0x71, 0xab, 0x04, 0x24, 0xcf, |
| 0x0b, 0xac, 0xf1, 0xe3, 0x45, 0x48, 0x7e, 0xd5, 0x0f, 0x1a, 0xc0, 0xbc, 0x25, |
| 0x9e, 0xcc, 0xfb, 0x39, 0x08, 0x1e, 0x61, 0xa9, 0x26, 0x7e, 0x74, 0xf8, 0x55, |
| 0xda, 0x53, 0x63, 0x83, 0x74, 0xa0, 0x16, 0x71, 0xcf, 0x3d, 0x7d, 0xb8, 0xcc, |
| 0x17, 0x0b, 0x38, 0x03, 0x45, 0xe6, 0x0b, 0xc8, 0x6f, 0xdf, 0x45, 0x9e }; |
| 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 }; |
| |
| // Make sure default verifier exists and is not implemented on at least one method |
| DeviceAttestationVerifier * default_verifier = GetDeviceAttestationVerifier(); |
| NL_TEST_ASSERT(inSuite, default_verifier != nullptr); |
| |
| AttestationVerificationResult attestationResult = AttestationVerificationResult::kSuccess; |
| ByteSpan emptyByteSpan; |
| attestationResult = default_verifier->ValidateCertificationDeclarationSignature(ByteSpan(), emptyByteSpan); |
| NL_TEST_ASSERT(inSuite, attestationResult == AttestationVerificationResult::kNotImplemented); |
| |
| DeviceAttestationVerifier * example_dac_verifier = GetDefaultDACVerifier(GetTestAttestationTrustStore()); |
| NL_TEST_ASSERT(inSuite, example_dac_verifier != nullptr); |
| NL_TEST_ASSERT(inSuite, default_verifier != example_dac_verifier); |
| |
| SetDeviceAttestationVerifier(example_dac_verifier); |
| default_verifier = GetDeviceAttestationVerifier(); |
| NL_TEST_ASSERT(inSuite, default_verifier == example_dac_verifier); |
| |
| attestationResult = AttestationVerificationResult::kNotImplemented; |
| Callback::Callback<OnAttestationInformationVerification> attestationInformationVerificationCallback( |
| OnAttestationInformationVerificationCallback, &attestationResult); |
| |
| Credentials::DeviceAttestationVerifier::AttestationInfo info( |
| ByteSpan(attestationElementsTestVector), ByteSpan(attestationChallengeTestVector), ByteSpan(attestationSignatureTestVector), |
| TestCerts::sTestCert_PAI_FFF1_8000_Cert, TestCerts::sTestCert_DAC_FFF1_8000_0004_Cert, ByteSpan(attestationNonceTestVector), |
| static_cast<VendorId>(0xFFF1), 0x8000); |
| default_verifier->VerifyAttestationInformation(info, &attestationInformationVerificationCallback); |
| |
| NL_TEST_ASSERT(inSuite, attestationResult == AttestationVerificationResult::kSuccess); |
| } |
| |
| static void TestDACVerifierExample_CertDeclarationVerification(nlTestSuite * inSuite, void * inContext) |
| { |
| // -> format_version = 1 |
| // -> vendor_id = 0xFFF1 |
| // -> product_id_array = [ 0x8000 ] |
| // -> device_type_id = 0x1234 |
| // -> certificate_id = "ZIG20141ZB330001-24" |
| // -> security_level = 0 |
| // -> security_information = 0 |
| // -> version_number = 0x2694 |
| // -> certification_type = 0 |
| // -> dac_origin_vendor_id is not present |
| // -> dac_origin_product_id is not present |
| static constexpr CertificationElements sTestCMS_CertElements = { 1, 0xFFF1, { 0x8000 }, 1, 0x1234, "ZIG20141ZB330001-24", |
| 0, 0, 0x2694, 0, 0, 0, |
| false }; |
| static constexpr uint8_t sTestCMS_CDContent[] = { 0x15, 0x24, 0x00, 0x01, 0x25, 0x01, 0xf1, 0xff, 0x36, 0x02, 0x05, |
| 0x00, 0x80, 0x18, 0x25, 0x03, 0x34, 0x12, 0x2c, 0x04, 0x13, 0x5a, |
| 0x49, 0x47, 0x32, 0x30, 0x31, 0x34, 0x31, 0x5a, 0x42, 0x33, 0x33, |
| 0x30, 0x30, 0x30, 0x31, 0x2d, 0x32, 0x34, 0x24, 0x05, 0x00, 0x24, |
| 0x06, 0x00, 0x25, 0x07, 0x94, 0x26, 0x24, 0x08, 0x00, 0x18 }; |
| |
| static constexpr uint8_t sTest_CD[] = { |
| 0x30, 0x81, 0xe8, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x07, 0x02, 0xa0, 0x81, 0xda, 0x30, 0x81, 0xd7, |
| 0x02, 0x01, 0x03, 0x31, 0x0d, 0x30, 0x0b, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01, 0x30, 0x45, |
| 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x07, 0x01, 0xa0, 0x38, 0x04, 0x36, 0x15, 0x24, 0x00, 0x01, 0x25, |
| 0x01, 0xf1, 0xff, 0x36, 0x02, 0x05, 0x00, 0x80, 0x18, 0x25, 0x03, 0x34, 0x12, 0x2c, 0x04, 0x13, 0x5a, 0x49, 0x47, 0x32, |
| 0x30, 0x31, 0x34, 0x31, 0x5a, 0x42, 0x33, 0x33, 0x30, 0x30, 0x30, 0x31, 0x2d, 0x32, 0x34, 0x24, 0x05, 0x00, 0x24, 0x06, |
| 0x00, 0x25, 0x07, 0x94, 0x26, 0x24, 0x08, 0x00, 0x18, 0x31, 0x7c, 0x30, 0x7a, 0x02, 0x01, 0x03, 0x80, 0x14, 0x62, 0xfa, |
| 0x82, 0x33, 0x59, 0xac, 0xfa, 0xa9, 0x96, 0x3e, 0x1c, 0xfa, 0x14, 0x0a, 0xdd, 0xf5, 0x04, 0xf3, 0x71, 0x60, 0x30, 0x0b, |
| 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01, 0x30, 0x0a, 0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, |
| 0x04, 0x03, 0x02, 0x04, 0x46, 0x30, 0x44, 0x02, 0x20, 0x43, 0xa6, 0x3f, 0x2b, 0x94, 0x3d, 0xf3, 0x3c, 0x38, 0xb3, 0xe0, |
| 0x2f, 0xca, 0xa7, 0x5f, 0xe3, 0x53, 0x2a, 0xeb, 0xbf, 0x5e, 0x63, 0xf5, 0xbb, 0xdb, 0xc0, 0xb1, 0xf0, 0x1d, 0x3c, 0x4f, |
| 0x60, 0x02, 0x20, 0x4c, 0x1a, 0xbf, 0x5f, 0x18, 0x07, 0xb8, 0x18, 0x94, 0xb1, 0x57, 0x6c, 0x47, 0xe4, 0x72, 0x4e, 0x4d, |
| 0x96, 0x6c, 0x61, 0x2e, 0xd3, 0xfa, 0x25, 0xc1, 0x18, 0xc3, 0xf2, 0xb3, 0xf9, 0x03, 0x69 |
| }; |
| |
| // Replace default verifier with example verifier |
| DeviceAttestationVerifier * example_dac_verifier = GetDefaultDACVerifier(GetTestAttestationTrustStore()); |
| NL_TEST_ASSERT(inSuite, example_dac_verifier != nullptr); |
| |
| SetDeviceAttestationVerifier(example_dac_verifier); |
| DeviceAttestationVerifier * default_verifier = GetDeviceAttestationVerifier(); |
| NL_TEST_ASSERT(inSuite, default_verifier == example_dac_verifier); |
| |
| // Check for CD presence |
| uint8_t cd_data_buf[kMaxCMSSignedCDMessage] = { 0 }; |
| MutableByteSpan cd_data_span(cd_data_buf); |
| |
| ByteSpan cd_payload; |
| AttestationVerificationResult attestation_result = |
| default_verifier->ValidateCertificationDeclarationSignature(ByteSpan(sTest_CD), cd_payload); |
| NL_TEST_ASSERT(inSuite, attestation_result == AttestationVerificationResult::kSuccess); |
| |
| NL_TEST_ASSERT(inSuite, cd_payload.data_equal(ByteSpan(sTestCMS_CDContent))); |
| |
| DeviceInfoForAttestation deviceInfo{ |
| .vendorId = sTestCMS_CertElements.VendorId, |
| .productId = sTestCMS_CertElements.ProductIds[0], |
| .dacVendorId = sTestCMS_CertElements.VendorId, |
| .dacProductId = sTestCMS_CertElements.ProductIds[0], |
| .paiVendorId = sTestCMS_CertElements.VendorId, |
| .paiProductId = sTestCMS_CertElements.ProductIds[0], |
| .paaVendorId = sTestCMS_CertElements.VendorId, |
| }; |
| attestation_result = default_verifier->ValidateCertificateDeclarationPayload(cd_payload, ByteSpan(), deviceInfo); |
| NL_TEST_ASSERT(inSuite, attestation_result == AttestationVerificationResult::kSuccess); |
| } |
| |
| static void TestDACVerifierExample_NocsrInformationVerification(nlTestSuite * inSuite, void * inContext) |
| { |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| |
| constexpr uint8_t nocsrElementsTestVector[] = { |
| 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, |
| }; |
| constexpr uint8_t attestationChallengeTestVector[] = { 0x7a, 0x49, 0x53, 0x05, 0xd0, 0x77, 0x79, 0xa4, |
| 0x94, 0xdd, 0x39, 0xa0, 0x85, 0x1b, 0x66, 0x0d }; |
| constexpr uint8_t csrNonceTestVector[] = { 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 }; |
| constexpr uint8_t attestationSignatureTestVector[] = { 0x87, 0x8e, 0x46, 0xcf, 0xfa, 0x83, 0xc8, 0x32, 0x96, 0xeb, 0x27, |
| 0x2e, 0xbc, 0x37, 0x1c, 0x1f, 0xef, 0xee, 0x6d, 0x69, 0x54, 0xf3, |
| 0x78, 0x9f, 0xd3, 0xd2, 0x27, 0xe1, 0x64, 0x13, 0xd3, 0xd4, 0x75, |
| 0xa6, 0x2f, 0xd0, 0x12, 0xb9, 0x19, 0xd9, 0x95, 0x8b, 0xc7, 0x3d, |
| 0x7c, 0x63, 0xb3, 0xcc, 0x1e, 0xf2, 0xb6, 0x2c, 0x18, 0xe0, 0xcc, |
| 0x10, 0x2e, 0xd1, 0xba, 0x4d, 0xac, 0x85, 0xfe, 0xea }; |
| constexpr uint8_t wrongAttestationSignatureTestVector[] = { |
| /* added 1 to first index */ |
| 0x88, 0x8e, 0x46, 0xcf, 0xfa, 0x83, 0xc8, 0x32, 0x96, 0xeb, 0x27, 0x2e, 0xbc, 0x37, 0x1c, 0x1f, |
| 0xef, 0xee, 0x6d, 0x69, 0x54, 0xf3, 0x78, 0x9f, 0xd3, 0xd2, 0x27, 0xe1, 0x64, 0x13, 0xd3, 0xd4, |
| 0x75, 0xa6, 0x2f, 0xd0, 0x12, 0xb9, 0x19, 0xd9, 0x95, 0x8b, 0xc7, 0x3d, 0x7c, 0x63, 0xb3, 0xcc, |
| 0x1e, 0xf2, 0xb6, 0x2c, 0x18, 0xe0, 0xcc, 0x10, 0x2e, 0xd1, 0xba, 0x4d, 0xac, 0x85, 0xfe, 0xea |
| }; |
| constexpr uint8_t attestationPublicKey[] = { 0x04, 0xce, 0x5c, 0xf8, 0xef, 0xb0, 0x5d, 0x4e, 0xee, 0x79, 0x0d, 0x0a, 0x71, |
| 0xd5, 0xc0, 0x11, 0xbb, 0x74, 0x72, 0x40, 0xdb, 0xa2, 0x14, 0x58, 0x84, 0x5d, |
| 0x33, 0xe3, 0x4b, 0x0a, 0xf6, 0x65, 0x16, 0x33, 0x06, 0x3a, 0x80, 0x4b, 0x2f, |
| 0xf8, 0x5d, 0xca, 0xb2, 0x01, 0x9a, 0x0a, 0xb6, 0xf5, 0x59, 0x57, 0x75, 0xfe, |
| 0x8d, 0x85, 0xfb, 0xd7, 0xa0, 0x7c, 0x8e, 0x83, 0x7d, 0xa4, 0xd5, 0xa8, 0xb9 }; |
| |
| DeviceAttestationVerifier * exampleDacVerifier = GetDefaultDACVerifier(GetTestAttestationTrustStore()); |
| NL_TEST_ASSERT(inSuite, exampleDacVerifier != nullptr); |
| |
| P256PublicKey dacPubkey; |
| NL_TEST_ASSERT(inSuite, sizeof(attestationPublicKey) == dacPubkey.Length()); |
| memcpy(dacPubkey.Bytes(), attestationPublicKey, dacPubkey.Length()); |
| |
| err = exampleDacVerifier->VerifyNodeOperationalCSRInformation( |
| ByteSpan(nocsrElementsTestVector), ByteSpan(attestationChallengeTestVector), ByteSpan(attestationSignatureTestVector), |
| dacPubkey, ByteSpan(csrNonceTestVector)); |
| NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR); |
| |
| // now test with invalid signature |
| err = exampleDacVerifier->VerifyNodeOperationalCSRInformation( |
| ByteSpan(nocsrElementsTestVector), ByteSpan(attestationChallengeTestVector), ByteSpan(wrongAttestationSignatureTestVector), |
| dacPubkey, ByteSpan(csrNonceTestVector)); |
| NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_INVALID_SIGNATURE); |
| } |
| |
| static void TestAttestationTrustStore(nlTestSuite * inSuite, void * inContext) |
| { |
| // SKID to trigger CHIP_ERROR_INVALID_ARGUMENT |
| ByteSpan kPaaFFF1BadSkidSpan1{ TestCerts::sTestCert_PAA_FFF1_Cert.data(), TestCerts::sTestCert_PAA_FFF1_Cert.size() - 1 }; |
| |
| // SKID to trigger CHIP_ERROR_INVALID_ARGUMENT |
| ByteSpan kPaaFFF1BadSkidSpan2{ nullptr, TestCerts::sTestCert_PAA_FFF1_Cert.size() }; |
| |
| // SKID to trigger CHIP_ERROR_CA_CERT_NOT_FOUND |
| uint8_t kPaaGoodSkidNotPresent[] = { 0x6A, 0xFD, 0x22, 0x77, 0x1F, 0x51, 0x71, 0x1F, 0xEC, 0xBF, |
| 0x16, 0x41, 0x97, 0x67, 0x10, 0xDC, 0xDC, 0x31, 0xA1, 0x71 }; |
| ByteSpan kPaaGoodSkidNotPresentSpan{ kPaaGoodSkidNotPresent }; |
| |
| struct TestCase |
| { |
| ByteSpan skidSpan; |
| ByteSpan expectedCertSpan; |
| CHIP_ERROR expectedResult; |
| }; |
| |
| const TestCase kTestCases[] = { |
| { TestCerts::sTestCert_PAA_FFF1_SKID, TestCerts::sTestCert_PAA_FFF1_Cert, CHIP_NO_ERROR }, |
| { TestCerts::sTestCert_PAA_NoVID_SKID, TestCerts::sTestCert_PAA_NoVID_Cert, CHIP_NO_ERROR }, |
| { TestCerts::sTestCert_PAA_NoVID_SKID, TestCerts::sTestCert_PAA_NoVID_Cert, CHIP_ERROR_BUFFER_TOO_SMALL }, |
| { kPaaFFF1BadSkidSpan1, TestCerts::sTestCert_PAA_FFF1_Cert, CHIP_ERROR_INVALID_ARGUMENT }, |
| { kPaaFFF1BadSkidSpan2, TestCerts::sTestCert_PAA_FFF1_Cert, CHIP_ERROR_INVALID_ARGUMENT }, |
| { kPaaGoodSkidNotPresentSpan, TestCerts::sTestCert_PAA_FFF1_Cert, CHIP_ERROR_CA_CERT_NOT_FOUND }, |
| }; |
| |
| const AttestationTrustStore * testAttestationTrustStore = GetTestAttestationTrustStore(); |
| NL_TEST_ASSERT(inSuite, testAttestationTrustStore != nullptr); |
| |
| for (const auto & testCase : kTestCases) |
| { |
| uint8_t buf[kMaxDERCertLength]; |
| MutableByteSpan paaCertSpan{ buf }; |
| if (testCase.expectedResult == CHIP_ERROR_BUFFER_TOO_SMALL) |
| { |
| // Make the output much too small if checking for size handling |
| paaCertSpan = paaCertSpan.SubSpan(0, 16); |
| } |
| |
| // Try to obtain cert |
| CHIP_ERROR result = testAttestationTrustStore->GetProductAttestationAuthorityCert(testCase.skidSpan, paaCertSpan); |
| NL_TEST_ASSERT(inSuite, result == testCase.expectedResult); |
| |
| // In success cases, make sure the cert matches expectation. |
| if (testCase.expectedResult == CHIP_NO_ERROR) |
| { |
| NL_TEST_ASSERT(inSuite, paaCertSpan.data_equal(testCase.expectedCertSpan) == true); |
| } |
| } |
| } |
| |
| /** |
| * Set up the test suite. |
| */ |
| int TestDeviceAttestation_Setup(void * inContext) |
| { |
| CHIP_ERROR error = chip::Platform::MemoryInit(); |
| |
| if (error != CHIP_NO_ERROR) |
| { |
| return FAILURE; |
| } |
| |
| return SUCCESS; |
| } |
| |
| /** |
| * Tear down the test suite. |
| */ |
| int TestDeviceAttestation_Teardown(void * inContext) |
| { |
| chip::Platform::MemoryShutdown(); |
| return SUCCESS; |
| } |
| |
| /** |
| * Test Suite. It lists all the test functions. |
| */ |
| // clang-format off |
| static const nlTest sTests[] = { |
| NL_TEST_DEF("Test Example Device Attestation Credentials Providers", TestDACProvidersExample_Providers), |
| NL_TEST_DEF("Test Example Device Attestation Signature", TestDACProvidersExample_Signature), |
| NL_TEST_DEF("Test the 'for testing' Paa Root Store", TestAttestationTrustStore), |
| NL_TEST_DEF("Test Example Device Attestation Information Verification", TestDACVerifierExample_AttestationInfoVerification), |
| NL_TEST_DEF("Test Example Device Attestation Certification Declaration Verification", TestDACVerifierExample_CertDeclarationVerification), |
| NL_TEST_DEF("Test Example Device Attestation Node Operational CSR Information Verification", TestDACVerifierExample_NocsrInformationVerification), |
| NL_TEST_SENTINEL() |
| }; |
| // clang-format on |
| |
| int TestDeviceAttestation() |
| { |
| // clang-format off |
| nlTestSuite theSuite = |
| { |
| "Device Attestation Credentials", |
| &sTests[0], |
| TestDeviceAttestation_Setup, |
| TestDeviceAttestation_Teardown |
| }; |
| // clang-format on |
| nlTestRunner(&theSuite, nullptr); |
| return (nlTestRunnerStats(&theSuite)); |
| } |
| |
| CHIP_REGISTER_TEST_SUITE(TestDeviceAttestation); |
