diff --git a/identity/aidl/default/FakeSecureHardwareProxy.h b/identity/aidl/default/FakeSecureHardwareProxy.h
index b858dd4..6852c1a 100644
--- a/identity/aidl/default/FakeSecureHardwareProxy.h
+++ b/identity/aidl/default/FakeSecureHardwareProxy.h
@@ -32,6 +32,9 @@
 
     bool initialize(bool testCredential) override;
 
+    bool initializeForUpdate(bool testCredential, string docType,
+                             vector<uint8_t> encryptedCredentialKeys) override;
+
     bool shutdown() override;
 
     // Returns public key certificate.
@@ -122,8 +125,14 @@
     optional<vector<uint8_t>> finishRetrieval() override;
 
     optional<vector<uint8_t>> deleteCredential(const string& docType,
+                                               const vector<uint8_t>& challenge,
+                                               bool includeChallenge,
                                                size_t proofOfDeletionCborSize) override;
 
+    optional<vector<uint8_t>> proveOwnership(const string& docType, bool testCredential,
+                                             const vector<uint8_t>& challenge,
+                                             size_t proofOfOwnershipCborSize) override;
+
     bool shutdown() override;
 
   protected: