[rkp_factory_tool] enforce the presence of UDS certs

add a flag to verifyFactoryCsr that enforces the presence
of UDS certs in the presented CSR

Bug: 366147625
Test: m rkp_factory_extraction_tool
Test: m librkp_factory_extraction_test
Test: m libkeymint_remote_prov_support_test
Test: atest system/security/provisioner
Test: atest hardware/interfaces/security/keymint/support

Change-Id: I1b6c85b858d76b1ea418400342c89553cbd4bc1d
diff --git a/security/keymint/support/Android.bp b/security/keymint/support/Android.bp
index 608d328..1e3ee2a 100644
--- a/security/keymint/support/Android.bp
+++ b/security/keymint/support/Android.bp
@@ -97,6 +97,7 @@
     ],
     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 0000000..4fa39c2
--- /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 <aidl/android/hardware/security/keymint/IRemotelyProvisionedComponent.h>
+#include <aidl/android/hardware/security/keymint/RpcHardwareInfo.h>
+#include <android-base/properties.h>
+#include <gmock/gmock.h>
+#include <gtest/gtest.h>
+
+#include <cstdint>
+
+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<uint8_t>* _aidl_return),
+                (override));
+    MOCK_METHOD(ScopedAStatus, generateCertificateRequest,
+                (bool in_testMode, const std::vector<MacedPublicKey>& in_keysToSign,
+                 const std::vector<uint8_t>& in_endpointEncryptionCertChain,
+                 const std::vector<uint8_t>& in_challenge, DeviceInfo* out_deviceInfo,
+                 ProtectedData* out_protectedData, std::vector<uint8_t>* _aidl_return),
+                (override));
+    MOCK_METHOD(ScopedAStatus, generateCertificateRequestV2,
+                (const std::vector<MacedPublicKey>& in_keysToSign,
+                 const std::vector<uint8_t>& in_challenge, std::vector<uint8_t>* _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 b56c90a..caeb7ff 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 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<std::unique_ptr<cppbor::Array>> verifyFactoryCsr(
         const cppbor::Array& keysToSign, const std::vector<uint8_t>& csr,
         IRemotelyProvisionedComponent* provisionable, const std::string& instanceName,
-        const std::vector<uint8_t>& challenge, bool allowDegenerate = true);
+        const std::vector<uint8_t>& 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 497f478..464d912 100644
--- a/security/keymint/support/remote_prov_utils.cpp
+++ b/security/keymint/support/remote_prov_utils.cpp
@@ -52,8 +52,8 @@
 using X509_Ptr = bssl::UniquePtr<X509>;
 using CRYPTO_BUFFER_Ptr = bssl::UniquePtr<CRYPTO_BUFFER>;
 
-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 @@
     }
 
     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<BccEntryData> result;
     for (auto& key : *keys) {
         result.push_back({std::move(key)});
@@ -857,7 +860,8 @@
     return rawPubKey;
 }
 
-std::string validateUdsCerts(const cppbor::Map& udsCerts, const bytevec& udsCoseKeyBytes) {
+std::optional<std::string> 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 @@
             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 @@
         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 @@
             return "Leaf public key in UDS certificate chain doesn't match UDS public key.";
         }
     }
-    return "";
+    return std::nullopt;
 }
 
 ErrMsgOr<std::unique_ptr<cppbor::Array>> parseAndValidateCsrPayload(
@@ -1016,7 +1023,8 @@
                                                        const std::vector<uint8_t>& 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 @@
     if (!version || version->value() != 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 @@
         return diceContents.message() + "\n" + prettyPrint(diceCertChain);
     }
 
+    if (!diceCertChain->get(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 @@
     return payload;
 }
 
-ErrMsgOr<std::unique_ptr<cppbor::Array>> verifyCsr(const cppbor::Array& keysToSign,
-                                                   const std::vector<uint8_t>& csr,
-                                                   IRemotelyProvisionedComponent* provisionable,
-                                                   const std::string& instanceName,
-                                                   const std::vector<uint8_t>& challenge,
-                                                   bool isFactory, bool allowAnyMode = false,
-                                                   bool allowDegenerate = true) {
+ErrMsgOr<std::unique_ptr<cppbor::Array>> verifyCsr(
+        const cppbor::Array& keysToSign, const std::vector<uint8_t>& csr,
+        IRemotelyProvisionedComponent* provisionable, const std::string& instanceName,
+        const std::vector<uint8_t>& 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 @@
                ") 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<std::unique_ptr<cppbor::Array>> verifyFactoryCsr(
         const cppbor::Array& keysToSign, const std::vector<uint8_t>& csr,
         IRemotelyProvisionedComponent* provisionable, const std::string& instanceName,
-        const std::vector<uint8_t>& challenge, bool allowDegenerate) {
+        const std::vector<uint8_t>& challenge, bool allowDegenerate, bool requireUdsCerts) {
     return verifyCsr(keysToSign, csr, provisionable, instanceName, challenge, /*isFactory=*/true,
-                     /*allowAnyMode=*/false, allowDegenerate);
+                     /*allowAnyMode=*/false, allowDegenerate, requireUdsCerts);
 }
 
 ErrMsgOr<std::unique_ptr<cppbor::Array>> verifyProductionCsr(
@@ -1153,7 +1169,7 @@
 
     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 8b18b29..8ffb149 100644
--- a/security/keymint/support/remote_prov_utils_test.cpp
+++ b/security/keymint/support/remote_prov_utils_test.cpp
@@ -25,6 +25,7 @@
 #include <keymaster/logger.h>
 #include <keymaster/remote_provisioning_utils.h>
 #include <openssl/curve25519.h>
+#include <remote_prov/MockIRemotelyProvisionedComponent.h>
 #include <remote_prov/remote_prov_utils.h>
 
 #include <algorithm>
@@ -41,6 +42,11 @@
 using ::testing::ElementsAreArray;
 using byte_view = std::span<const uint8_t>;
 
+using ::cppbor::Array;
+using ::cppbor::parse;
+using ::ndk::SharedRefBase;
+using ::testing::NotNull;
+
 inline const std::vector<uint8_t> 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 @@
         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<uint8_t> 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<uint8_t> 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<uint8_t> 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, 0xbf,
+        0x52, 0x69, 0xb1, 0xfe, 0x07, 0x81, 0x83, 0xb3, 0x0d, 0x82, 0xa5, 0x01, 0x01, 0x03, 0x27,
+        0x20, 0x06, 0x21, 0x58, 0x20, 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, 0x23, 0x58, 0x20, 0x8d, 0x38, 0x0d, 0x38, 0xcb,
+        0x76, 0x73, 0xef, 0x13, 0xd1, 0x08, 0x02, 0xa5, 0x0e, 0xd2, 0x16, 0xd4, 0x0f, 0x2c, 0x29,
+        0xf8, 0xd0, 0x20, 0xb8, 0x6a, 0x7f, 0xa2, 0xd1, 0x1e, 0xeb, 0xd1, 0x5c, 0x84, 0x43, 0xa1,
+        0x01, 0x27, 0xa0, 0x59, 0x01, 0x27, 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, 0x70, 0xa6, 0x01, 0x02, 0x03, 0x26, 0x20, 0x01, 0x21, 0x58, 0x20, 0x76, 0x82, 0x58,
+        0xce, 0x99, 0x1c, 0x29, 0xa1, 0x81, 0x3e, 0x22, 0xe3, 0x02, 0x13, 0xea, 0x2a, 0x25, 0x2e,
+        0x20, 0x14, 0xeb, 0x45, 0x0d, 0xb8, 0xdb, 0x8c, 0x38, 0xef, 0xeb, 0x25, 0xd6, 0x31, 0x22,
+        0x58, 0x20, 0xbe, 0x55, 0xba, 0x87, 0x17, 0xc2, 0x5b, 0xb6, 0x56, 0xff, 0x4b, 0xf0, 0x8a,
+        0x98, 0x57, 0x86, 0xa4, 0x36, 0x0a, 0x90, 0x38, 0xce, 0x66, 0xec, 0xcb, 0x25, 0x30, 0x29,
+        0x83, 0x02, 0x02, 0xc0, 0x23, 0x58, 0x20, 0x73, 0xdf, 0xc3, 0x4a, 0xe4, 0x2e, 0xbd, 0x04,
+        0x09, 0xec, 0x91, 0xc7, 0xe7, 0xf1, 0xec, 0x55, 0x10, 0x7e, 0xd1, 0x36, 0x5e, 0x9d, 0x11,
+        0x71, 0x27, 0xee, 0x30, 0x7b, 0x04, 0x45, 0x5f, 0x95, 0x3a, 0x00, 0x47, 0x44, 0x58, 0x41,
+        0x20, 0x58, 0x40, 0x44, 0x7f, 0x1a, 0x67, 0x16, 0xa0, 0x49, 0xfe, 0x2c, 0xde, 0x87, 0x38,
+        0xef, 0xb9, 0xe0, 0x19, 0x25, 0x7d, 0xcc, 0x39, 0x53, 0x27, 0xbd, 0x2c, 0x04, 0x6c, 0xe3,
+        0x5c, 0x5e, 0xd6, 0x27, 0x09, 0xb9, 0xf7, 0x8c, 0x2b, 0xd2, 0x68, 0xc3, 0xf1, 0x23, 0xcf,
+        0xc6, 0xfc, 0x21, 0xb3, 0x52, 0x48, 0xe6, 0x8a, 0x89, 0x3e, 0x37, 0x24, 0x13, 0x23, 0x80,
+        0xb2, 0xc7, 0xa7, 0xc6, 0xf1, 0xec, 0x04, 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, 0x6f, 0x74, 0x6c, 0x6f, 0x61, 0x64, 0x65,
+        0x72, 0x5f, 0x73, 0x74, 0x61, 0x74, 0x65, 0x66, 0x6c, 0x6f, 0x63, 0x6b, 0x65, 0x64, 0x72,
+        0x73, 0x79, 0x73, 0x74, 0x65, 0x6d, 0x5f, 0x70, 0x61, 0x74, 0x63, 0x68, 0x5f, 0x6c, 0x65,
+        0x76, 0x65, 0x6c, 0x1a, 0x01, 0x34, 0x8c, 0x61, 0x72, 0x76, 0x65, 0x6e, 0x64, 0x6f, 0x72,
+        0x5f, 0x70, 0x61, 0x74, 0x63, 0x68, 0x5f, 0x6c, 0x65, 0x76, 0x65, 0x6c, 0x1a, 0x01, 0x34,
+        0x8c, 0x63, 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, 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<uint8_t> 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<uint8_t> 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,
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+        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,
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+        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,
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+        0x4a, 0x5e, 0x4f, 0x73, 0xfb, 0x5c, 0x1f, 0xe6, 0x46, 0x2f, 0xb9, 0x1b, 0x71, 0x86, 0x87,
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+        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, 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 @@
                              /*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<MockIRemotelyProvisionedComponent>();
+    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<MockIRemotelyProvisionedComponent>();
+    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<MockIRemotelyProvisionedComponent>();
+    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<MockIRemotelyProvisionedComponent>();
+    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