diff --git a/libwvdrmengine/factory_upload_tool/android.hardware.security.keymint-service.widevine.xml b/libwvdrmengine/factory_upload_tool/android.hardware.security.keymint-service.widevine.xml
index 723026ae..f2803a0b 100644
--- a/libwvdrmengine/factory_upload_tool/android.hardware.security.keymint-service.widevine.xml
+++ b/libwvdrmengine/factory_upload_tool/android.hardware.security.keymint-service.widevine.xml
@@ -1,6 +1,7 @@
 <manifest version="1.0" type="device">
     <hal format="aidl">
         <name>android.hardware.security.keymint</name>
+        <version>3</version>
         <fqname>IRemotelyProvisionedComponent/widevine</fqname>
     </hal>
 </manifest>
diff --git a/libwvdrmengine/factory_upload_tool/src/WidevineRemotelyProvisionedComponent.cpp b/libwvdrmengine/factory_upload_tool/src/WidevineRemotelyProvisionedComponent.cpp
index c722d05a..67fb7dad 100644
--- a/libwvdrmengine/factory_upload_tool/src/WidevineRemotelyProvisionedComponent.cpp
+++ b/libwvdrmengine/factory_upload_tool/src/WidevineRemotelyProvisionedComponent.cpp
@@ -28,6 +28,8 @@
 
 #include <variant>
 
+#include "log.h"
+
 namespace aidl::android::hardware::security::keymint {
 
 using ::std::string;
@@ -77,7 +79,8 @@ ScopedAStatus WidevineRemotelyProvisionedComponent::getHardwareInfo(
     RpcHardwareInfo* info) {
   info->versionNumber = 3;
   info->rpcAuthorName = "Google";
-  info->supportedEekCurve = RpcHardwareInfo::CURVE_25519;
+  info->supportedEekCurve = RpcHardwareInfo::CURVE_NONE;
+  info->supportedNumKeysInCsr = RpcHardwareInfo::MIN_SUPPORTED_NUM_KEYS_IN_CSR;
   info->uniqueId = "Widevine Implementation";
   return ScopedAStatus::ok();
 }
@@ -85,33 +88,17 @@ ScopedAStatus WidevineRemotelyProvisionedComponent::getHardwareInfo(
 ScopedAStatus WidevineRemotelyProvisionedComponent::generateEcdsaP256KeyPair(
     bool /* testMode */, MacedPublicKey* /* macedPublicKey */,
     bytevec* /* privateKeyHandle */) {
-  return Status("Invalid operation.");
+  return Status(
+      "Invalid operation: generateEcdsaP256KeyPair() is not supported.");
 }
 
 ScopedAStatus WidevineRemotelyProvisionedComponent::generateCertificateRequest(
-    bool testMode, const vector<MacedPublicKey>& keysToSign,
-    const bytevec& endpointEncCertChain, const bytevec& /* challenge */,
-    DeviceInfo* deviceInfo, ProtectedData* protectedData,
+    bool /* testMode */, const vector<MacedPublicKey>& /* keysToSign */,
+    const bytevec& /* endpointEncCertChain */, const bytevec& /* challenge */,
+    DeviceInfo* /* deviceInfo */, ProtectedData* /* protectedData */,
     bytevec* /* keysToSignMac */) {
-  if (!keysToSign.empty()) {
-    return Status("Invalid operation: Keys to sign must be empty.");
-  }
-  if (deviceInfo == nullptr) {
-    return Status("Parameter deviceInfo must not be null.");
-  }
-  if (protectedData == nullptr) {
-    return Status("Parameter protectedData must not be null.");
-  }
-
-  if (provisioner_ == nullptr) {
-    provisioner_ = std::make_unique<widevine::WidevineProvisioner>();
-  }
-  if (!provisioner_->GenerateCertificateRequest(testMode, endpointEncCertChain,
-                                                deviceInfo->deviceInfo,
-                                                protectedData->protectedData)) {
-    return Status("Failed to generate certificate request.");
-  }
-  return ScopedAStatus::ok();
+  return Status(IRemotelyProvisionedComponent::STATUS_REMOVED,
+                "generateCertificateRequestV1 not supported.");
 }
 
 ScopedAStatus
@@ -119,7 +106,7 @@ WidevineRemotelyProvisionedComponent::generateCertificateRequestV2(
     const std::vector<MacedPublicKey>& keysToSign,
     const std::vector<uint8_t>& challenge, std::vector<uint8_t>* csr) {
   if (!keysToSign.empty()) {
-    return Status("Invalid operation: Keys to sign must be empty.");
+    LOGW("Keys to sign should be empty.");
   }
   if (csr == nullptr) {
     return Status("Parameter csr must not be null.");