diff --git a/security/keymint/support/Android.bp b/security/keymint/support/Android.bp index c6e35abd00..f313cf3b72 100644 --- a/security/keymint/support/Android.bp +++ b/security/keymint/support/Android.bp @@ -126,6 +126,7 @@ cc_test { ], shared_libs: [ "libbase", + "libbinder_ndk", "libcppbor", "libcppcose_rkp", "libcrypto", diff --git a/security/keymint/support/include/remote_prov/MockIRemotelyProvisionedComponent.h b/security/keymint/support/include/remote_prov/MockIRemotelyProvisionedComponent.h new file mode 100644 index 0000000000..4fa39c2a4f --- /dev/null +++ b/security/keymint/support/include/remote_prov/MockIRemotelyProvisionedComponent.h @@ -0,0 +1,52 @@ +/* + * Copyright 2024 The Android Open Source Project + * + * 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. + */ + +#pragma once + +#include +#include +#include +#include +#include + +#include + +namespace aidl::android::hardware::security::keymint::remote_prov { + +using ::ndk::ScopedAStatus; + +class MockIRemotelyProvisionedComponent : public IRemotelyProvisionedComponentDefault { + public: + MOCK_METHOD(ScopedAStatus, getHardwareInfo, (RpcHardwareInfo * _aidl_return), (override)); + MOCK_METHOD(ScopedAStatus, generateEcdsaP256KeyPair, + (bool in_testMode, MacedPublicKey* out_macedPublicKey, + std::vector* _aidl_return), + (override)); + MOCK_METHOD(ScopedAStatus, generateCertificateRequest, + (bool in_testMode, const std::vector& in_keysToSign, + const std::vector& in_endpointEncryptionCertChain, + const std::vector& in_challenge, DeviceInfo* out_deviceInfo, + ProtectedData* out_protectedData, std::vector* _aidl_return), + (override)); + MOCK_METHOD(ScopedAStatus, generateCertificateRequestV2, + (const std::vector& in_keysToSign, + const std::vector& in_challenge, std::vector* _aidl_return), + (override)); + MOCK_METHOD(ScopedAStatus, getInterfaceVersion, (int32_t* _aidl_return), (override)); + MOCK_METHOD(ScopedAStatus, getInterfaceHash, (std::string * _aidl_return), (override)); +}; + +} // namespace aidl::android::hardware::security::keymint::remote_prov \ No newline at end of file diff --git a/security/keymint/support/include/remote_prov/remote_prov_utils.h b/security/keymint/support/include/remote_prov/remote_prov_utils.h index b56c90aa43..caeb7ffaf3 100644 --- a/security/keymint/support/include/remote_prov/remote_prov_utils.h +++ b/security/keymint/support/include/remote_prov/remote_prov_utils.h @@ -94,6 +94,13 @@ const std::string DEFAULT_INSTANCE_NAME = const std::string RKPVM_INSTANCE_NAME = "android.hardware.security.keymint.IRemotelyProvisionedComponent/avf"; +/** + * Returns the portion of an instance name after the / + * e.g. for "android.hardware.security.keymint.IRemotelyProvisionedComponent/avf", + * it returns "avf". + */ +std::string deviceSuffix(const std::string& name); + struct EekChain { bytevec chain; bytevec last_pubkey; @@ -184,7 +191,9 @@ ErrMsgOr> verifyProductionProtectedData( ErrMsgOr> verifyFactoryCsr( const cppbor::Array& keysToSign, const std::vector& csr, IRemotelyProvisionedComponent* provisionable, const std::string& instanceName, - const std::vector& challenge, bool allowDegenerate = true); + const std::vector& challenge, bool allowDegenerate = true, + bool requireUdsCerts = false); + /** * Verify the CSR as if the device is a final production sample. */ diff --git a/security/keymint/support/remote_prov_utils.cpp b/security/keymint/support/remote_prov_utils.cpp index 497f4789a3..464d91233d 100644 --- a/security/keymint/support/remote_prov_utils.cpp +++ b/security/keymint/support/remote_prov_utils.cpp @@ -52,8 +52,8 @@ using EVP_PKEY_CTX_Ptr = bssl::UniquePtr; using X509_Ptr = bssl::UniquePtr; using CRYPTO_BUFFER_Ptr = bssl::UniquePtr; -std::string device_suffix(const std::string& name) { - size_t pos = name.find('/'); +std::string deviceSuffix(const std::string& name) { + size_t pos = name.rfind('/'); if (pos == std::string::npos) { return name; } @@ -344,15 +344,18 @@ ErrMsgOr> validateBcc(const cppbor::Array* bcc, } auto chain = - hwtrust::DiceChain::Verify(encodedBcc, kind, allowAnyMode, device_suffix(instanceName)); - if (!chain.ok()) return chain.error().message(); - + hwtrust::DiceChain::Verify(encodedBcc, kind, allowAnyMode, deviceSuffix(instanceName)); + if (!chain.ok()) { + return chain.error().message(); + } if (!allowDegenerate && !chain->IsProper()) { return "DICE chain is degenerate"; } auto keys = chain->CosePublicKeys(); - if (!keys.ok()) return keys.error().message(); + if (!keys.ok()) { + return keys.error().message(); + } std::vector result; for (auto& key : *keys) { result.push_back({std::move(key)}); @@ -857,7 +860,8 @@ ErrMsgOr validateCertChain(const cppbor::Array& chain) { return rawPubKey; } -std::string validateUdsCerts(const cppbor::Map& udsCerts, const bytevec& udsCoseKeyBytes) { +std::optional validateUdsCerts(const cppbor::Map& udsCerts, + const bytevec& udsCoseKeyBytes) { for (const auto& [signerName, udsCertChain] : udsCerts) { if (!signerName || !signerName->asTstr()) { return "Signer Name must be a Tstr."; @@ -874,8 +878,9 @@ std::string validateUdsCerts(const cppbor::Map& udsCerts, const bytevec& udsCose return leafPubKey.message(); } auto coseKey = CoseKey::parse(udsCoseKeyBytes); - if (!coseKey) return coseKey.moveMessage(); - + if (!coseKey) { + return coseKey.moveMessage(); + } auto curve = coseKey->getIntValue(CoseKey::CURVE); if (!curve) { return "CoseKey must contain curve."; @@ -883,7 +888,9 @@ std::string validateUdsCerts(const cppbor::Map& udsCerts, const bytevec& udsCose bytevec udsPub; if (curve == CoseKeyCurve::P256 || curve == CoseKeyCurve::P384) { auto pubKey = coseKey->getEcPublicKey(); - if (!pubKey) return pubKey.moveMessage(); + if (!pubKey) { + return pubKey.moveMessage(); + } // convert public key to uncompressed form by prepending 0x04 at begin. pubKey->insert(pubKey->begin(), 0x04); udsPub = pubKey.moveValue(); @@ -900,7 +907,7 @@ std::string validateUdsCerts(const cppbor::Map& udsCerts, const bytevec& udsCose return "Leaf public key in UDS certificate chain doesn't match UDS public key."; } } - return ""; + return std::nullopt; } ErrMsgOr> parseAndValidateCsrPayload( @@ -1016,7 +1023,8 @@ ErrMsgOr parseAndValidateAuthenticatedRequest(const std::vector& challenge, const std::string& instanceName, bool allowAnyMode = false, - bool allowDegenerate = true) { + bool allowDegenerate = true, + bool requireUdsCerts = false) { auto [parsedRequest, _, csrErrMsg] = cppbor::parse(request); if (!parsedRequest) { return csrErrMsg; @@ -1038,8 +1046,12 @@ ErrMsgOr parseAndValidateAuthenticatedRequest(const std::vectorvalue() != 1U) { return "AuthenticatedRequest version must be an unsigned integer and must be equal to 1."; } + if (!udsCerts) { - return "AuthenticatedRequest UdsCerts must be an Map."; + return "AuthenticatedRequest UdsCerts must be a Map."; + } + if (requireUdsCerts && udsCerts->size() == 0) { + return "AuthenticatedRequest UdsCerts must not be empty."; } if (!diceCertChain) { return "AuthenticatedRequest DiceCertChain must be an Array."; @@ -1060,15 +1072,20 @@ ErrMsgOr parseAndValidateAuthenticatedRequest(const std::vectorget(0)->asMap()) { + return "AuthenticatedRequest The first entry in DiceCertChain must be a Map."; + } auto udsPub = diceCertChain->get(0)->asMap()->encode(); - auto& kmDiceKey = diceContents->back().pubKey; - auto error = validateUdsCerts(*udsCerts, udsPub); - if (!error.empty()) { - return error; + if (error) { + return *error; } - auto signedPayload = verifyAndParseCoseSign1(signedData, kmDiceKey, {} /* aad */); + if (diceContents->empty()) { + return "AuthenticatedRequest DiceContents must not be empty."; + } + auto& kmDiceKey = diceContents->back().pubKey; + auto signedPayload = verifyAndParseCoseSign1(signedData, kmDiceKey, /*aad=*/{}); if (!signedPayload) { return signedPayload.message(); } @@ -1081,13 +1098,11 @@ ErrMsgOr parseAndValidateAuthenticatedRequest(const std::vector> verifyCsr(const cppbor::Array& keysToSign, - const std::vector& csr, - IRemotelyProvisionedComponent* provisionable, - const std::string& instanceName, - const std::vector& challenge, - bool isFactory, bool allowAnyMode = false, - bool allowDegenerate = true) { +ErrMsgOr> verifyCsr( + const cppbor::Array& keysToSign, const std::vector& csr, + IRemotelyProvisionedComponent* provisionable, const std::string& instanceName, + const std::vector& challenge, bool isFactory, bool allowAnyMode = false, + bool allowDegenerate = true, bool requireUdsCerts = false) { RpcHardwareInfo info; provisionable->getHardwareInfo(&info); if (info.versionNumber != 3) { @@ -1095,8 +1110,9 @@ ErrMsgOr> verifyCsr(const cppbor::Array& keysToSi ") does not match expected version (3)."; } - auto csrPayload = parseAndValidateAuthenticatedRequest(csr, challenge, instanceName, - allowAnyMode, allowDegenerate); + auto csrPayload = parseAndValidateAuthenticatedRequest( + csr, challenge, instanceName, allowAnyMode, allowDegenerate, requireUdsCerts); + if (!csrPayload) { return csrPayload.message(); } @@ -1107,9 +1123,9 @@ ErrMsgOr> verifyCsr(const cppbor::Array& keysToSi ErrMsgOr> verifyFactoryCsr( const cppbor::Array& keysToSign, const std::vector& csr, IRemotelyProvisionedComponent* provisionable, const std::string& instanceName, - const std::vector& challenge, bool allowDegenerate) { + const std::vector& challenge, bool allowDegenerate, bool requireUdsCerts) { return verifyCsr(keysToSign, csr, provisionable, instanceName, challenge, /*isFactory=*/true, - /*allowAnyMode=*/false, allowDegenerate); + /*allowAnyMode=*/false, allowDegenerate, requireUdsCerts); } ErrMsgOr> verifyProductionCsr( @@ -1153,7 +1169,7 @@ ErrMsgOr isCsrWithProperDiceChain(const std::vector& csr, auto encodedDiceChain = diceCertChain->encode(); auto chain = hwtrust::DiceChain::Verify(encodedDiceChain, *diceChainKind, - /*allowAnyMode=*/false, device_suffix(instanceName)); + /*allowAnyMode=*/false, deviceSuffix(instanceName)); if (!chain.ok()) return chain.error().message(); return chain->IsProper(); } diff --git a/security/keymint/support/remote_prov_utils_test.cpp b/security/keymint/support/remote_prov_utils_test.cpp index 8b18b2931d..8ffb149bd7 100644 --- a/security/keymint/support/remote_prov_utils_test.cpp +++ b/security/keymint/support/remote_prov_utils_test.cpp @@ -25,6 +25,7 @@ #include #include #include +#include #include #include @@ -41,6 +42,11 @@ using ::keymaster::StatusOr; using ::testing::ElementsAreArray; using byte_view = std::span; +using ::cppbor::Array; +using ::cppbor::parse; +using ::ndk::SharedRefBase; +using ::testing::NotNull; + inline const std::vector kDegenerateBcc{ 0x82, 0xa5, 0x01, 0x01, 0x03, 0x27, 0x04, 0x81, 0x02, 0x20, 0x06, 0x21, 0x58, 0x20, 0xf5, 0x5a, 0xfb, 0x28, 0x06, 0x48, 0x68, 0xea, 0x49, 0x3e, 0x47, 0x80, 0x1d, 0xfe, 0x1f, 0xfc, @@ -76,6 +82,252 @@ inline const std::vector kDegenerateBcc{ 0x50, 0x12, 0x82, 0x37, 0xfe, 0xa4, 0x07, 0xc3, 0xd5, 0xc3, 0x78, 0xcc, 0xf9, 0xef, 0xe1, 0x95, 0x38, 0x9f, 0xb0, 0x79, 0x16, 0x4c, 0x4a, 0x23, 0xc4, 0xdc, 0x35, 0x4e, 0x0f}; +// The challenge that is in kKeysToSignForCsrWithUdsCerts and kCsrWithUdsCerts +inline const std::vector kChallenge{0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, + 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, + 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, + 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20}; + +inline const std::vector kKeysToSignForCsrWithUdsCerts{ + 0x82, 0xa6, 0x01, 0x02, 0x03, 0x26, 0x20, 0x01, 0x21, 0x58, 0x20, 0x35, 0xeb, 0x56, 0xed, + 0x62, 0x13, 0x6a, 0x41, 0x89, 0xf6, 0x72, 0xa6, 0xf1, 0x5c, 0xd1, 0xf6, 0x34, 0xbd, 0x81, + 0xdb, 0x2e, 0x0b, 0x4d, 0xf6, 0x69, 0x6f, 0xa6, 0xf3, 0xce, 0x27, 0x2c, 0x78, 0x22, 0x58, + 0x20, 0xac, 0xa9, 0x9f, 0x62, 0x81, 0x58, 0xc7, 0x10, 0xd7, 0xb5, 0xa8, 0xa0, 0x7b, 0x11, + 0xf5, 0x75, 0xdb, 0xd9, 0xa2, 0x1d, 0x86, 0x34, 0xc6, 0xf4, 0x23, 0x79, 0xcc, 0x8a, 0x87, + 0x3c, 0xb2, 0xd0, 0x23, 0x58, 0x20, 0x0f, 0x2c, 0x5a, 0xb7, 0xe1, 0x3b, 0x24, 0xa3, 0x4f, + 0xaa, 0x49, 0x51, 0xfc, 0x8c, 0xd0, 0x35, 0x43, 0x7c, 0x21, 0xfa, 0x7d, 0x56, 0x97, 0x69, + 0xe1, 0x81, 0xf5, 0x88, 0x15, 0x33, 0xa0, 0x7f, 0xa6, 0x01, 0x02, 0x03, 0x26, 0x20, 0x01, + 0x21, 0x58, 0x20, 0xb5, 0xcc, 0xd9, 0x4f, 0x7a, 0xe2, 0xca, 0xac, 0xfe, 0xa5, 0x65, 0x0c, + 0x6a, 0xa8, 0x16, 0x45, 0x40, 0x41, 0x1c, 0xb2, 0x64, 0xcd, 0x34, 0xe8, 0x37, 0x88, 0xb9, + 0x9a, 0xb3, 0xc3, 0xfd, 0x6a, 0x22, 0x58, 0x20, 0x5e, 0xbe, 0xff, 0x98, 0x60, 0x6e, 0x1d, + 0x6b, 0x42, 0x60, 0x59, 0xe9, 0x42, 0x95, 0xc8, 0x2e, 0xc5, 0xb6, 0x66, 0x4a, 0x53, 0xf1, + 0x73, 0x02, 0xcb, 0x89, 0x8a, 0x2a, 0xc9, 0xa5, 0xa3, 0x39, 0x23, 0x58, 0x21, 0x00, 0xdb, + 0xda, 0x3c, 0x3e, 0x27, 0x71, 0x5e, 0xd0, 0x2b, 0x09, 0xb8, 0x6f, 0xe2, 0x2c, 0xdd, 0x0a, + 0xbf, 0x1d, 0x94, 0x36, 0xd2, 0x33, 0x88, 0x6e, 0x66, 0x05, 0x21, 0x92, 0x64, 0x79, 0xa9, + 0x10}; + +inline const std::vector kCsrWithUdsCerts{ + 0x84, 0x01, 0xa1, 0x70, 0x74, 0x65, 0x73, 0x74, 0x2d, 0x73, 0x69, 0x67, 0x6e, 0x65, 0x72, + 0x2d, 0x6e, 0x61, 0x6d, 0x65, 0x82, 0x59, 0x01, 0x6c, 0x30, 0x82, 0x01, 0x68, 0x30, 0x82, + 0x01, 0x1a, 0xa0, 0x03, 0x02, 0x01, 0x02, 0x02, 0x01, 0x7b, 0x30, 0x05, 0x06, 0x03, 0x2b, + 0x65, 0x70, 0x30, 0x2b, 0x31, 0x15, 0x30, 0x13, 0x06, 0x03, 0x55, 0x04, 0x0a, 0x13, 0x0c, + 0x46, 0x61, 0x6b, 0x65, 0x20, 0x43, 0x6f, 0x6d, 0x70, 0x61, 0x6e, 0x79, 0x31, 0x12, 0x30, + 0x10, 0x06, 0x03, 0x55, 0x04, 0x03, 0x13, 0x09, 0x46, 0x61, 0x6b, 0x65, 0x20, 0x52, 0x6f, + 0x6f, 0x74, 0x30, 0x1e, 0x17, 0x0d, 0x32, 0x34, 0x31, 0x30, 0x31, 0x37, 0x31, 0x39, 0x32, + 0x33, 0x30, 0x39, 0x5a, 0x17, 0x0d, 0x32, 0x34, 0x31, 0x31, 0x31, 0x36, 0x31, 0x39, 0x32, + 0x33, 0x30, 0x39, 0x5a, 0x30, 0x2b, 0x31, 0x15, 0x30, 0x13, 0x06, 0x03, 0x55, 0x04, 0x0a, + 0x13, 0x0c, 0x46, 0x61, 0x6b, 0x65, 0x20, 0x43, 0x6f, 0x6d, 0x70, 0x61, 0x6e, 0x79, 0x31, + 0x12, 0x30, 0x10, 0x06, 0x03, 0x55, 0x04, 0x03, 0x13, 0x09, 0x46, 0x61, 0x6b, 0x65, 0x20, + 0x52, 0x6f, 0x6f, 0x74, 0x30, 0x2a, 0x30, 0x05, 0x06, 0x03, 0x2b, 0x65, 0x70, 0x03, 0x21, + 0x00, 0x20, 0xc5, 0xfa, 0x42, 0xe9, 0x23, 0xd3, 0x72, 0x83, 0x96, 0xc5, 0x73, 0x1e, 0xec, + 0x07, 0x39, 0x4f, 0xc8, 0xb7, 0xd1, 0x9f, 0x77, 0xb6, 0x0b, 0x59, 0x9e, 0x62, 0xc0, 0xec, + 0x06, 0x06, 0xad, 0xa3, 0x63, 0x30, 0x61, 0x30, 0x1d, 0x06, 0x03, 0x55, 0x1d, 0x0e, 0x04, + 0x16, 0x04, 0x14, 0xec, 0x36, 0x07, 0x83, 0xf0, 0xda, 0x23, 0xfc, 0x0f, 0xb1, 0x08, 0xd0, + 0x60, 0x97, 0xc1, 0x9a, 0x14, 0x54, 0xbf, 0x63, 0x30, 0x1f, 0x06, 0x03, 0x55, 0x1d, 0x23, + 0x04, 0x18, 0x30, 0x16, 0x80, 0x14, 0xec, 0x36, 0x07, 0x83, 0xf0, 0xda, 0x23, 0xfc, 0x0f, + 0xb1, 0x08, 0xd0, 0x60, 0x97, 0xc1, 0x9a, 0x14, 0x54, 0xbf, 0x63, 0x30, 0x0f, 0x06, 0x03, + 0x55, 0x1d, 0x13, 0x01, 0x01, 0xff, 0x04, 0x05, 0x30, 0x03, 0x01, 0x01, 0xff, 0x30, 0x0e, + 0x06, 0x03, 0x55, 0x1d, 0x0f, 0x01, 0x01, 0xff, 0x04, 0x04, 0x03, 0x02, 0x02, 0x04, 0x30, + 0x05, 0x06, 0x03, 0x2b, 0x65, 0x70, 0x03, 0x41, 0x00, 0x41, 0xfa, 0x27, 0xfd, 0xe3, 0x42, + 0x89, 0x43, 0x68, 0x92, 0x48, 0x39, 0xb1, 0x93, 0x93, 0x8b, 0x69, 0x16, 0x50, 0xbe, 0xc0, + 0xc5, 0x83, 0xd6, 0x1e, 0x4b, 0x2f, 0x6e, 0x18, 0x32, 0x78, 0xfe, 0x35, 0x78, 0xed, 0x6d, + 0xc8, 0x36, 0xb2, 0x4e, 0x0d, 0x10, 0x23, 0xab, 0x28, 0x32, 0xa1, 0xfc, 0x83, 0x2a, 0xa3, + 0xca, 0xe1, 0xca, 0x82, 0xd2, 0x5f, 0xf1, 0x7f, 0xf2, 0xba, 0xbe, 0x86, 0x0b, 0x59, 0x01, + 0x70, 0x30, 0x82, 0x01, 0x6c, 0x30, 0x82, 0x01, 0x1e, 0xa0, 0x03, 0x02, 0x01, 0x02, 0x02, + 0x02, 0x01, 0xc8, 0x30, 0x05, 0x06, 0x03, 0x2b, 0x65, 0x70, 0x30, 0x2b, 0x31, 0x15, 0x30, + 0x13, 0x06, 0x03, 0x55, 0x04, 0x0a, 0x13, 0x0c, 0x46, 0x61, 0x6b, 0x65, 0x20, 0x43, 0x6f, + 0x6d, 0x70, 0x61, 0x6e, 0x79, 0x31, 0x12, 0x30, 0x10, 0x06, 0x03, 0x55, 0x04, 0x03, 0x13, + 0x09, 0x46, 0x61, 0x6b, 0x65, 0x20, 0x52, 0x6f, 0x6f, 0x74, 0x30, 0x1e, 0x17, 0x0d, 0x32, + 0x34, 0x31, 0x30, 0x31, 0x37, 0x31, 0x39, 0x32, 0x33, 0x30, 0x39, 0x5a, 0x17, 0x0d, 0x32, + 0x34, 0x31, 0x31, 0x31, 0x36, 0x31, 0x39, 0x32, 0x33, 0x30, 0x39, 0x5a, 0x30, 0x2e, 0x31, + 0x15, 0x30, 0x13, 0x06, 0x03, 0x55, 0x04, 0x0a, 0x13, 0x0c, 0x46, 0x61, 0x6b, 0x65, 0x20, + 0x43, 0x6f, 0x6d, 0x70, 0x61, 0x6e, 0x79, 0x31, 0x15, 0x30, 0x13, 0x06, 0x03, 0x55, 0x04, + 0x03, 0x13, 0x0c, 0x46, 0x61, 0x6b, 0x65, 0x20, 0x43, 0x68, 0x69, 0x70, 0x73, 0x65, 0x74, + 0x30, 0x2a, 0x30, 0x05, 0x06, 0x03, 0x2b, 0x65, 0x70, 0x03, 0x21, 0x00, 0x14, 0xf4, 0x4a, + 0x88, 0x56, 0x9f, 0xc0, 0xf5, 0x1f, 0xe5, 0xef, 0xfb, 0xf4, 0x06, 0xbc, 0xb1, 0xe4, 0x4a, + 0x37, 0xe5, 0x07, 0xf8, 0x65, 0x95, 0x55, 0x54, 0xfd, 0x90, 0xf9, 0x8b, 0xa7, 0xc6, 0xa3, + 0x63, 0x30, 0x61, 0x30, 0x1d, 0x06, 0x03, 0x55, 0x1d, 0x0e, 0x04, 0x16, 0x04, 0x14, 0xef, + 0x05, 0x40, 0x0a, 0x1b, 0x74, 0x3e, 0x4d, 0x2e, 0x22, 0xf5, 0x66, 0x0c, 0xd7, 0xf9, 0xb8, + 0x8e, 0x81, 0x3d, 0xab, 0x30, 0x1f, 0x06, 0x03, 0x55, 0x1d, 0x23, 0x04, 0x18, 0x30, 0x16, + 0x80, 0x14, 0xec, 0x36, 0x07, 0x83, 0xf0, 0xda, 0x23, 0xfc, 0x0f, 0xb1, 0x08, 0xd0, 0x60, + 0x97, 0xc1, 0x9a, 0x14, 0x54, 0xbf, 0x63, 0x30, 0x0f, 0x06, 0x03, 0x55, 0x1d, 0x13, 0x01, + 0x01, 0xff, 0x04, 0x05, 0x30, 0x03, 0x01, 0x01, 0xff, 0x30, 0x0e, 0x06, 0x03, 0x55, 0x1d, + 0x0f, 0x01, 0x01, 0xff, 0x04, 0x04, 0x03, 0x02, 0x02, 0x04, 0x30, 0x05, 0x06, 0x03, 0x2b, + 0x65, 0x70, 0x03, 0x41, 0x00, 0x64, 0x32, 0x42, 0x06, 0xa7, 0x11, 0xb0, 0x67, 0x81, 0x73, + 0x19, 0x70, 0xb6, 0x60, 0x1c, 0xd2, 0x43, 0xde, 0x42, 0xec, 0x71, 0x4d, 0x6e, 0xa8, 0xed, + 0x6f, 0xe2, 0x59, 0x3e, 0xa3, 0x45, 0x82, 0x8b, 0x25, 0x25, 0xf9, 0xc6, 0xb3, 0xf5, 0xb5, + 0x3d, 0x11, 0x7d, 0xcf, 0xf2, 0x50, 0x22, 0xff, 0x2b, 0xc5, 0x14, 0x94, 0x64, 0xbf, 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0xbf, 0x1d, 0x94, 0x36, 0xd2, 0x33, 0x88, 0x6e, 0x66, 0x05, 0x21, 0x92, 0x64, + 0x79, 0xa9, 0x10, 0x58, 0x40, 0x87, 0xcf, 0xaa, 0x82, 0x6a, 0xba, 0x25, 0x8b, 0x81, 0xd8, + 0x14, 0xca, 0xbd, 0xf4, 0x67, 0xdf, 0xc8, 0x2c, 0xa1, 0x04, 0x57, 0x99, 0xa0, 0x54, 0xe7, + 0x9b, 0xb2, 0xd0, 0xaf, 0xdd, 0x07, 0x46, 0x0a, 0xd7, 0xbd, 0xa7, 0xf9, 0xa8, 0x0c, 0x08, + 0x1e, 0x9c, 0xae, 0x73, 0x4c, 0x22, 0x6e, 0x56, 0x8b, 0xe4, 0x91, 0x54, 0xa4, 0x7a, 0xb0, + 0xf5, 0xe4, 0x5d, 0xa9, 0x8f, 0xae, 0x43, 0x95, 0x7a}; + +inline const std::vector kKeysToSignForCsrWithoutUdsCerts = { + 0x82, 0xa6, 0x01, 0x02, 0x03, 0x26, 0x20, 0x01, 0x21, 0x58, 0x20, 0x50, 0x43, 0xb4, 0xf1, + 0xc1, 0x7f, 0x17, 0xc6, 0x3b, 0x56, 0x27, 0x63, 0x03, 0x18, 0x78, 0x9d, 0x63, 0x93, 0x3b, + 0x98, 0xed, 0x55, 0x8c, 0x87, 0x1b, 0xd7, 0x89, 0xb6, 0x81, 0x92, 0x5f, 0x24, 0x22, 0x58, + 0x20, 0xd5, 0x24, 0x93, 0xda, 0x3e, 0x32, 0x17, 0xfa, 0xe8, 0x8d, 0x1e, 0xa9, 0xe0, 0x84, + 0x4e, 0x1c, 0x6a, 0xef, 0x9a, 0xe3, 0xbe, 0x1d, 0xf1, 0x14, 0xe0, 0x9e, 0x82, 0xc8, 0x92, + 0x1a, 0x3a, 0x69, 0x23, 0x58, 0x20, 0x29, 0xcb, 0x16, 0x78, 0x61, 0x35, 0x92, 0x3f, 0x71, + 0xc4, 0x66, 0x61, 0xd4, 0xd4, 0x20, 0x8a, 0x86, 0x1e, 0xb0, 0x2b, 0x2f, 0x4f, 0x13, 0xb4, + 0x0d, 0x89, 0x60, 0x87, 0x77, 0xac, 0x1a, 0x0f, 0xa6, 0x01, 0x02, 0x03, 0x26, 0x20, 0x01, + 0x21, 0x58, 0x20, 0x4b, 0xcc, 0x7a, 0x09, 0x99, 0x76, 0xe7, 0xfa, 0x06, 0xb9, 0x19, 0x22, + 0x15, 0x3b, 0x9f, 0xa8, 0x34, 0x77, 0x24, 0x27, 0x8c, 0x8a, 0x97, 0x61, 0xf3, 0x6f, 0x29, + 0x74, 0x4e, 0x9a, 0x66, 0x23, 0x22, 0x58, 0x20, 0x8f, 0xa8, 0xaf, 0x2b, 0x02, 0x3a, 0xd4, + 0x8a, 0xa2, 0x9d, 0x25, 0xa8, 0x01, 0xe7, 0xbd, 0x61, 0x25, 0x88, 0xb4, 0xc9, 0xce, 0x05, + 0x43, 0xcc, 0x0d, 0x38, 0x7d, 0xe2, 0xda, 0x03, 0xb3, 0x33, 0x23, 0x58, 0x21, 0x00, 0xc8, + 0x67, 0xb8, 0xbe, 0xc4, 0x1c, 0xca, 0x3c, 0x73, 0x3c, 0xbf, 0x52, 0xb2, 0x5a, 0x64, 0x9e, + 0x9f, 0xae, 0xc6, 0x9f, 0x02, 0x2f, 0xee, 0x92, 0x1d, 0xdb, 0x01, 0x77, 0x27, 0x12, 0x84, + 0x14}; + +inline const std::vector kCsrWithoutUdsCerts{ + 0x84, 0x01, 0xa0, 0x82, 0xa6, 0x01, 0x02, 0x03, 0x38, 0x22, 0x20, 0x02, 0x21, 0x58, 0x30, + 0x21, 0x09, 0x81, 0xb2, 0x4c, 0x8e, 0x23, 0x63, 0x46, 0xe5, 0x32, 0x1e, 0x1b, 0xa3, 0x39, + 0x47, 0xd1, 0x19, 0x91, 0xc5, 0xe1, 0xd0, 0x51, 0xa4, 0x4e, 0x6d, 0xfd, 0x21, 0x46, 0xf3, + 0x65, 0x6b, 0xd3, 0xec, 0x20, 0x21, 0xf8, 0xef, 0x39, 0x50, 0x0a, 0xfc, 0x6d, 0x18, 0xf8, + 0x90, 0x1c, 0xc8, 0x22, 0x58, 0x30, 0x80, 0x1f, 0xd8, 0xe3, 0x64, 0x51, 0x48, 0x66, 0xa5, + 0xad, 0x05, 0xcb, 0xe4, 0xee, 0x0f, 0x20, 0xc1, 0xca, 0x84, 0xc2, 0xe0, 0xcc, 0x22, 0x06, + 0x7c, 0x5e, 0x2c, 0xb3, 0x3b, 0x52, 0xd4, 0xe7, 0xc1, 0xe2, 0x57, 0x9d, 0x8a, 0xa6, 0x5c, + 0x08, 0xbb, 0x77, 0x07, 0xa8, 0x39, 0xba, 0x9f, 0x5f, 0x23, 0x58, 0x31, 0x00, 0xff, 0x5f, + 0xa3, 0x03, 0x87, 0x70, 0xe5, 0xf0, 0x69, 0xcd, 0x0a, 0x32, 0x9e, 0x4a, 0xe8, 0x07, 0x1f, + 0x26, 0xb9, 0x8a, 0x01, 0x83, 0xfe, 0xb9, 0x21, 0x22, 0x49, 0x9d, 0x9f, 0x78, 0x48, 0xf4, + 0x24, 0x87, 0xe8, 0x4d, 0xab, 0xd5, 0xe9, 0xd6, 0x90, 0x49, 0x4b, 0x42, 0xb4, 0x68, 0xac, + 0xf1, 0x84, 0x44, 0xa1, 0x01, 0x38, 0x22, 0xa0, 0x59, 0x01, 0x28, 0xa9, 0x01, 0x66, 0x69, + 0x73, 0x73, 0x75, 0x65, 0x72, 0x02, 0x67, 0x73, 0x75, 0x62, 0x6a, 0x65, 0x63, 0x74, 0x3a, + 0x00, 0x47, 0x44, 0x50, 0x58, 0x20, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, + 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, + 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x3a, 0x00, 0x47, 0x44, 0x52, 0x58, 0x20, + 0xb8, 0x96, 0x54, 0xe2, 0x2c, 0xa4, 0xd2, 0x4a, 0x9c, 0x0e, 0x45, 0x11, 0xc8, 0xf2, 0x63, + 0xf0, 0x66, 0x0d, 0x2e, 0x20, 0x48, 0x96, 0x90, 0x14, 0xf4, 0x54, 0x63, 0xc4, 0xf4, 0x39, + 0x30, 0x38, 0x3a, 0x00, 0x47, 0x44, 0x53, 0x55, 0xa1, 0x3a, 0x00, 0x01, 0x11, 0x71, 0x6e, + 0x63, 0x6f, 0x6d, 0x70, 0x6f, 0x6e, 0x65, 0x6e, 0x74, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x3a, + 0x00, 0x47, 0x44, 0x54, 0x58, 0x20, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, + 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, + 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x3a, 0x00, 0x47, 0x44, 0x56, 0x41, 0x01, + 0x3a, 0x00, 0x47, 0x44, 0x57, 0x58, 0x71, 0xa6, 0x01, 0x02, 0x03, 0x26, 0x20, 0x01, 0x21, + 0x58, 0x20, 0x2d, 0x41, 0x43, 0x19, 0xf2, 0x91, 0x58, 0x12, 0x65, 0x2e, 0x96, 0xb5, 0x9d, + 0x12, 0x18, 0x58, 0x54, 0x11, 0xed, 0x41, 0x30, 0xef, 0xa4, 0xee, 0x69, 0x8f, 0x0c, 0x6e, + 0xe6, 0x27, 0xc5, 0x20, 0x22, 0x58, 0x20, 0x21, 0x0e, 0x8f, 0x83, 0xe5, 0xeb, 0x40, 0x89, + 0xc2, 0x0a, 0x43, 0x6c, 0x9f, 0xa8, 0x4e, 0xe0, 0xba, 0x9e, 0xba, 0x4f, 0xe3, 0x27, 0xc4, + 0xbd, 0x41, 0xa0, 0xd6, 0xe9, 0x55, 0x54, 0x17, 0x78, 0x23, 0x58, 0x21, 0x00, 0xb6, 0x33, + 0x44, 0x98, 0xa7, 0x1c, 0x90, 0x13, 0xcc, 0x42, 0x71, 0x43, 0x29, 0xe5, 0xe1, 0x57, 0x89, + 0x7a, 0x39, 0x17, 0x7c, 0xcc, 0x03, 0xac, 0xd3, 0x1b, 0xd2, 0xae, 0x29, 0x5f, 0xd6, 0xf8, + 0x3a, 0x00, 0x47, 0x44, 0x58, 0x41, 0x20, 0x58, 0x60, 0xc4, 0x54, 0xad, 0x40, 0xa2, 0x07, + 0xc7, 0x80, 0xbd, 0x41, 0x77, 0x5d, 0xa7, 0xa2, 0xef, 0xef, 0x92, 0x67, 0x24, 0xab, 0xa1, + 0x4a, 0x5e, 0x4f, 0x73, 0xfb, 0x5c, 0x1f, 0xe6, 0x46, 0x2f, 0xb9, 0x1b, 0x71, 0x86, 0x87, + 0x29, 0xc4, 0x66, 0xb7, 0x3e, 0x85, 0x13, 0x9a, 0xa3, 0xf8, 0xfc, 0x63, 0x26, 0xe0, 0xba, + 0x0b, 0xe0, 0x9b, 0x2e, 0x7d, 0x06, 0x06, 0xb8, 0x2f, 0xdd, 0x0c, 0xa5, 0x90, 0x1c, 0x10, + 0x1c, 0x55, 0xf9, 0x65, 0xf6, 0x26, 0x40, 0x41, 0xaf, 0x5c, 0x16, 0x03, 0xf3, 0xee, 0x8d, + 0x72, 0x2c, 0x6b, 0x1e, 0xb3, 0x1f, 0x96, 0x97, 0x34, 0x61, 0x0d, 0x5c, 0xe4, 0x94, 0x6a, + 0x84, 0x43, 0xa1, 0x01, 0x26, 0xa0, 0x59, 0x02, 0x0f, 0x82, 0x58, 0x20, 0x01, 0x02, 0x03, + 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, + 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x59, + 0x01, 0xe9, 0x84, 0x03, 0x67, 0x6b, 0x65, 0x79, 0x6d, 0x69, 0x6e, 0x74, 0xae, 0x65, 0x62, + 0x72, 0x61, 0x6e, 0x64, 0x66, 0x47, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x65, 0x66, 0x75, 0x73, + 0x65, 0x64, 0x01, 0x65, 0x6d, 0x6f, 0x64, 0x65, 0x6c, 0x65, 0x6d, 0x6f, 0x64, 0x65, 0x6c, + 0x66, 0x64, 0x65, 0x76, 0x69, 0x63, 0x65, 0x66, 0x64, 0x65, 0x76, 0x69, 0x63, 0x65, 0x67, + 0x70, 0x72, 0x6f, 0x64, 0x75, 0x63, 0x74, 0x65, 0x70, 0x69, 0x78, 0x65, 0x6c, 0x68, 0x76, + 0x62, 0x5f, 0x73, 0x74, 0x61, 0x74, 0x65, 0x65, 0x67, 0x72, 0x65, 0x65, 0x6e, 0x6a, 0x6f, + 0x73, 0x5f, 0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x62, 0x31, 0x32, 0x6c, 0x6d, 0x61, + 0x6e, 0x75, 0x66, 0x61, 0x63, 0x74, 0x75, 0x72, 0x65, 0x72, 0x66, 0x47, 0x6f, 0x6f, 0x67, + 0x6c, 0x65, 0x6d, 0x76, 0x62, 0x6d, 0x65, 0x74, 0x61, 0x5f, 0x64, 0x69, 0x67, 0x65, 0x73, + 0x74, 0x4f, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, + 0xee, 0xff, 0x6e, 0x73, 0x65, 0x63, 0x75, 0x72, 0x69, 0x74, 0x79, 0x5f, 0x6c, 0x65, 0x76, + 0x65, 0x6c, 0x63, 0x74, 0x65, 0x65, 0x70, 0x62, 0x6f, 0x6f, 0x74, 0x5f, 0x70, 0x61, 0x74, + 0x63, 0x68, 0x5f, 0x6c, 0x65, 0x76, 0x65, 0x6c, 0x1a, 0x01, 0x34, 0x8c, 0x62, 0x70, 0x62, + 0x6f, 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0xd4, + 0x20, 0x8a, 0x86, 0x1e, 0xb0, 0x2b, 0x2f, 0x4f, 0x13, 0xb4, 0x0d, 0x89, 0x60, 0x87, 0x77, + 0xac, 0x1a, 0x0f, 0xa6, 0x01, 0x02, 0x03, 0x26, 0x20, 0x01, 0x21, 0x58, 0x20, 0x4b, 0xcc, + 0x7a, 0x09, 0x99, 0x76, 0xe7, 0xfa, 0x06, 0xb9, 0x19, 0x22, 0x15, 0x3b, 0x9f, 0xa8, 0x34, + 0x77, 0x24, 0x27, 0x8c, 0x8a, 0x97, 0x61, 0xf3, 0x6f, 0x29, 0x74, 0x4e, 0x9a, 0x66, 0x23, + 0x22, 0x58, 0x20, 0x8f, 0xa8, 0xaf, 0x2b, 0x02, 0x3a, 0xd4, 0x8a, 0xa2, 0x9d, 0x25, 0xa8, + 0x01, 0xe7, 0xbd, 0x61, 0x25, 0x88, 0xb4, 0xc9, 0xce, 0x05, 0x43, 0xcc, 0x0d, 0x38, 0x7d, + 0xe2, 0xda, 0x03, 0xb3, 0x33, 0x23, 0x58, 0x21, 0x00, 0xc8, 0x67, 0xb8, 0xbe, 0xc4, 0x1c, + 0xca, 0x3c, 0x73, 0x3c, 0xbf, 0x52, 0xb2, 0x5a, 0x64, 0x9e, 0x9f, 0xae, 0xc6, 0x9f, 0x02, + 0x2f, 0xee, 0x92, 0x1d, 0xdb, 0x01, 0x77, 0x27, 0x12, 0x84, 0x14, 0x58, 0x40, 0x6c, 0xd5, + 0x66, 0x0a, 0x99, 0xdd, 0x32, 0x47, 0x50, 0x1f, 0x5d, 0x46, 0x40, 0x8a, 0x60, 0x25, 0xa0, + 0x1b, 0x3c, 0x2a, 0xcf, 0xa1, 0x92, 0x1a, 0xdc, 0x81, 0xaa, 0xb0, 0x0f, 0xf2, 0xe6, 0x94, + 0xce, 0x3d, 0xff, 0xac, 0x25, 0x44, 0xea, 0xf7, 0x0a, 0x89, 0x9d, 0xc4, 0x7e, 0xe5, 0x02, + 0xa7, 0xb6, 0xc2, 0x40, 0x06, 0x65, 0xc5, 0xff, 0x19, 0xc5, 0xcd, 0x1c, 0xd5, 0x78, 0x01, + 0xd4, 0xb8}; + inline bool equal_byte_views(const byte_view& view1, const byte_view& view2) { return std::equal(view1.begin(), view1.end(), view2.begin(), view2.end()); } @@ -304,5 +556,79 @@ TEST(RemoteProvUtilsTest, validateBccDegenerate) { /*allowAnyMode=*/false, /*allowDegenerate=*/false, DEFAULT_INSTANCE_NAME)); } + +TEST(RemoteProvUtilsTest, requireUdsCertsWhenPresent) { + auto [keysToSignPtr, _, errMsg] = cppbor::parse(kKeysToSignForCsrWithUdsCerts); + ASSERT_TRUE(keysToSignPtr) << "Error: " << errMsg; + + auto mockRpc = SharedRefBase::make(); + EXPECT_CALL(*mockRpc, getHardwareInfo(NotNull())).WillRepeatedly([](RpcHardwareInfo* hwInfo) { + hwInfo->versionNumber = 3; + return ScopedAStatus::ok(); + }); + + const auto keysToSign = keysToSignPtr->asArray(); + auto csr = verifyFactoryCsr(*keysToSign, kCsrWithUdsCerts, mockRpc.get(), "default", kChallenge, + /*allowDegenerate=*/false, /*requireUdsCerts=*/true); + ASSERT_TRUE(csr) << csr.message(); +} + +TEST(RemoteProvUtilsTest, dontRequireUdsCertsWhenPresent) { + auto [keysToSignPtr, _, errMsg] = cppbor::parse(kKeysToSignForCsrWithUdsCerts); + ASSERT_TRUE(keysToSignPtr) << "Error: " << errMsg; + + auto mockRpc = SharedRefBase::make(); + EXPECT_CALL(*mockRpc, getHardwareInfo(NotNull())).WillRepeatedly([](RpcHardwareInfo* hwInfo) { + hwInfo->versionNumber = 3; + return ScopedAStatus::ok(); + }); + + const auto* keysToSign = keysToSignPtr->asArray(); + auto csr = verifyFactoryCsr(*keysToSign, kCsrWithUdsCerts, mockRpc.get(), DEFAULT_INSTANCE_NAME, + kChallenge, + /*allowDegenerate=*/false, /*requireUdsCerts=*/false); + ASSERT_TRUE(csr) << csr.message(); +} + +TEST(RemoteProvUtilsTest, requireUdsCertsWhenNotPresent) { + auto mockRpc = SharedRefBase::make(); + EXPECT_CALL(*mockRpc, getHardwareInfo(NotNull())).WillRepeatedly([](RpcHardwareInfo* hwInfo) { + hwInfo->versionNumber = 3; + return ScopedAStatus::ok(); + }); + + auto csr = verifyFactoryCsr(/*keysToSign=*/Array(), kCsrWithoutUdsCerts, mockRpc.get(), + DEFAULT_INSTANCE_NAME, kChallenge, /*allowDegenerate=*/false, + /*requireUdsCerts=*/true); + ASSERT_FALSE(csr); + ASSERT_THAT(csr.message(), testing::HasSubstr("UdsCerts must not be empty")); +} + +TEST(RemoteProvUtilsTest, dontRequireUdsCertsWhenNotPresent) { + auto [keysToSignPtr, _, errMsg] = cppbor::parse( + kKeysToSignForCsrWithoutUdsCerts.data(), + kKeysToSignForCsrWithoutUdsCerts.data() + kKeysToSignForCsrWithoutUdsCerts.size()); + ASSERT_TRUE(keysToSignPtr) << "Error: " << errMsg; + + auto mockRpc = SharedRefBase::make(); + EXPECT_CALL(*mockRpc, getHardwareInfo(NotNull())).WillRepeatedly([](RpcHardwareInfo* hwInfo) { + hwInfo->versionNumber = 3; + return ScopedAStatus::ok(); + }); + + const auto* keysToSign = keysToSignPtr->asArray(); + auto csr = verifyFactoryCsr(*keysToSign, kCsrWithoutUdsCerts, mockRpc.get(), + DEFAULT_INSTANCE_NAME, kChallenge, + /*allowDegenerate=*/false, /*requireUdsCerts=*/false); + ASSERT_TRUE(csr) << csr.message(); +} + +TEST(RemoteProvUtilsTest, parseFullyQualifiedInstanceNames) { + ASSERT_EQ(deviceSuffix(RKPVM_INSTANCE_NAME), "avf"); + ASSERT_EQ(deviceSuffix(DEFAULT_INSTANCE_NAME), "default"); + ASSERT_EQ(deviceSuffix("default"), "default"); + ASSERT_EQ(deviceSuffix("//the/last/one"), "one"); +} + } // namespace } // namespace aidl::android::hardware::security::keymint::remote_prov