diff --git a/keymaster/4.0/IKeymasterDevice.hal b/keymaster/4.0/IKeymasterDevice.hal
index 14c9c35..5dac929 100644
--- a/keymaster/4.0/IKeymasterDevice.hal
+++ b/keymaster/4.0/IKeymasterDevice.hal
@@ -274,6 +274,23 @@
      * @param maskingKey The 32-byte value XOR'd with the transport key in the SecureWrappedKey
      *        structure.
      *
+     * @param unwrappingParams must contain any parameters needed to perform the unwrapping
+     *        operation.  For example, if the wrapping key is an AES key the block and padding modes
+     *        must be specified in this argument.
+     *
+     * @param passwordSid specifies the password secure ID (SID) of the user that owns the key being
+     *        installed.  If the authorization list in wrappedKeyData contains a Tag::USER_SECURE_ID
+     *        with a value that has the HardwareAuthenticatorType::PASSWORD bit set, the constructed
+     *        key must be bound to the SID value provided by this argument.  If the wrappedKeyData
+     *        does not contain such a tag and value, this argument must be ignored.
+     *
+     * @param biometricSid specifies the biometric secure ID (SID) of the user that owns the key
+     *        being installed.  If the authorization list in wrappedKeyData contains a
+     *        Tag::USER_SECURE_ID with a value that has the HardwareAuthenticatorType::FINGERPRINT
+     *        bit set, the constructed key must be bound to the SID value provided by this argument.
+     *        If the wrappedKeyData does not contain such a tag and value, this argument must be
+     *        ignored.
+     *
      * @return error See the ErrorCode enum.
      *
      * @return keyBlob Opaque descriptor of the imported key.  It is recommended that the keyBlob
@@ -281,8 +298,9 @@
      *         hardware.
      */
     importWrappedKey(vec<uint8_t> wrappedKeyData, vec<uint8_t> wrappingKeyBlob,
-                     vec<uint8_t> maskingKey)
-        generates (ErrorCode error, vec<uint8_t> keyBlob, KeyCharacteristics keyCharacteristics);
+                     vec<uint8_t> maskingKey, vec<KeyParameter> unwrappingParams,
+                     uint64_t passwordSid, uint64_t biometricSid)
+        generates(ErrorCode error, vec<uint8_t> keyBlob, KeyCharacteristics keyCharacteristics);
 
     /**
      * Returns the characteristics of the specified key, if the keyBlob is valid (implementations
diff --git a/keymaster/4.0/support/include/keymasterV4_0/Keymaster3.h b/keymaster/4.0/support/include/keymasterV4_0/Keymaster3.h
index 051e570..4054620 100644
--- a/keymaster/4.0/support/include/keymasterV4_0/Keymaster3.h
+++ b/keymaster/4.0/support/include/keymasterV4_0/Keymaster3.h
@@ -74,8 +74,12 @@
     Return<void> importKey(const hidl_vec<KeyParameter>& params, KeyFormat keyFormat,
                            const hidl_vec<uint8_t>& keyData, importKey_cb _hidl_cb) override;
 
-    Return<void> importWrappedKey(const hidl_vec<uint8_t>&, const hidl_vec<uint8_t>&,
-                                  const hidl_vec<uint8_t>&, importWrappedKey_cb _hidl_cb) {
+    Return<void> importWrappedKey(const hidl_vec<uint8_t>& /* wrappedKeyData */,
+                                  const hidl_vec<uint8_t>& /* wrappingKeyBlob */,
+                                  const hidl_vec<uint8_t>& /* maskingKey */,
+                                  const hidl_vec<KeyParameter>& /* unwrappingParams */,
+                                  uint64_t /* passwordSid */, uint64_t /* biometricSid */,
+                                  importWrappedKey_cb _hidl_cb) {
         _hidl_cb(ErrorCode::UNIMPLEMENTED, {}, {});
         return Void();
     }
diff --git a/keymaster/4.0/support/include/keymasterV4_0/Keymaster4.h b/keymaster/4.0/support/include/keymasterV4_0/Keymaster4.h
index ffddcac..86ef4f8 100644
--- a/keymaster/4.0/support/include/keymasterV4_0/Keymaster4.h
+++ b/keymaster/4.0/support/include/keymasterV4_0/Keymaster4.h
@@ -81,8 +81,11 @@
     Return<void> importWrappedKey(const hidl_vec<uint8_t>& wrappedKeyData,
                                   const hidl_vec<uint8_t>& wrappingKeyBlob,
                                   const hidl_vec<uint8_t>& maskingKey,
+                                  const hidl_vec<KeyParameter>& unwrappingParams,
+                                  uint64_t passwordSid, uint64_t biometricSid,
                                   importWrappedKey_cb _hidl_cb) {
-        return dev_->importWrappedKey(wrappedKeyData, wrappingKeyBlob, maskingKey, _hidl_cb);
+        return dev_->importWrappedKey(wrappedKeyData, wrappingKeyBlob, maskingKey, unwrappingParams,
+                                      passwordSid, biometricSid, _hidl_cb);
     }
 
     Return<void> exportKey(KeyFormat exportFormat, const hidl_vec<uint8_t>& keyBlob,
diff --git a/keymaster/4.0/vts/functional/KeymasterHidlTest.cpp b/keymaster/4.0/vts/functional/KeymasterHidlTest.cpp
index 13b6b2f..37d8c42 100644
--- a/keymaster/4.0/vts/functional/KeymasterHidlTest.cpp
+++ b/keymaster/4.0/vts/functional/KeymasterHidlTest.cpp
@@ -137,11 +137,14 @@
 
 ErrorCode KeymasterHidlTest::ImportWrappedKey(string wrapped_key, string wrapping_key,
                                               const AuthorizationSet& wrapping_key_desc,
-                                              string masking_key) {
+                                              string masking_key,
+                                              const AuthorizationSet& unwrapping_params) {
     ErrorCode error;
     ImportKey(wrapping_key_desc, KeyFormat::PKCS8, wrapping_key);
     EXPECT_TRUE(keymaster_
                     ->importWrappedKey(HidlBuf(wrapped_key), key_blob_, HidlBuf(masking_key),
+                                       unwrapping_params.hidl_data(), 0 /* passwordSid */,
+                                       0 /* biometricSid */,
                                        [&](ErrorCode hidl_error, const HidlBuf& hidl_key_blob,
                                            const KeyCharacteristics& hidl_key_characteristics) {
                                            error = hidl_error;
diff --git a/keymaster/4.0/vts/functional/KeymasterHidlTest.h b/keymaster/4.0/vts/functional/KeymasterHidlTest.h
index 6d28f17..36d3fc2 100644
--- a/keymaster/4.0/vts/functional/KeymasterHidlTest.h
+++ b/keymaster/4.0/vts/functional/KeymasterHidlTest.h
@@ -116,7 +116,8 @@
                         const string& key_material);
 
     ErrorCode ImportWrappedKey(string wrapped_key, string wrapping_key,
-                               const AuthorizationSet& wrapping_key_desc, string masking_key);
+                               const AuthorizationSet& wrapping_key_desc, string masking_key,
+                               const AuthorizationSet& unwrapping_params);
 
     ErrorCode ExportKey(KeyFormat format, const HidlBuf& key_blob, const HidlBuf& client_id,
                         const HidlBuf& app_data, HidlBuf* key_material);
diff --git a/keymaster/4.0/vts/functional/keymaster_hidl_hal_test.cpp b/keymaster/4.0/vts/functional/keymaster_hidl_hal_test.cpp
index 31d6ad1..1d8dfdf 100644
--- a/keymaster/4.0/vts/functional/keymaster_hidl_hal_test.cpp
+++ b/keymaster/4.0/vts/functional/keymaster_hidl_hal_test.cpp
@@ -1857,7 +1857,9 @@
                                  .Authorization(TAG_PURPOSE, KeyPurpose::WRAP_KEY);
 
     ASSERT_EQ(ErrorCode::OK,
-              ImportWrappedKey(wrapped_key, wrapping_key, wrapping_key_desc, zero_masking_key));
+              ImportWrappedKey(
+                  wrapped_key, wrapping_key, wrapping_key_desc, zero_masking_key,
+                  AuthorizationSetBuilder().Digest(Digest::SHA1).Padding(PaddingMode::RSA_OAEP)));
 
     string message = "Hello World!";
     auto params = AuthorizationSetBuilder().BlockMode(BlockMode::ECB).Padding(PaddingMode::PKCS7);
@@ -1874,7 +1876,9 @@
                                  .Authorization(TAG_PURPOSE, KeyPurpose::WRAP_KEY);
 
     ASSERT_EQ(ErrorCode::OK,
-              ImportWrappedKey(wrapped_key_masked, wrapping_key, wrapping_key_desc, masking_key));
+              ImportWrappedKey(
+                  wrapped_key_masked, wrapping_key, wrapping_key_desc, masking_key,
+                  AuthorizationSetBuilder().Digest(Digest::SHA1).Padding(PaddingMode::RSA_OAEP)));
 }
 
 TEST_F(ImportWrappedKeyTest, WrongMask) {
@@ -1884,9 +1888,10 @@
                                  .Padding(PaddingMode::RSA_OAEP)
                                  .Authorization(TAG_PURPOSE, KeyPurpose::WRAP_KEY);
 
-    ASSERT_EQ(
-        ErrorCode::VERIFICATION_FAILED,
-        ImportWrappedKey(wrapped_key_masked, wrapping_key, wrapping_key_desc, zero_masking_key));
+    ASSERT_EQ(ErrorCode::VERIFICATION_FAILED,
+              ImportWrappedKey(
+                  wrapped_key_masked, wrapping_key, wrapping_key_desc, zero_masking_key,
+                  AuthorizationSetBuilder().Digest(Digest::SHA1).Padding(PaddingMode::RSA_OAEP)));
 }
 
 TEST_F(ImportWrappedKeyTest, WrongPurpose) {
@@ -1895,9 +1900,10 @@
                                  .Digest(Digest::SHA1)
                                  .Padding(PaddingMode::RSA_OAEP);
 
-    ASSERT_EQ(
-        ErrorCode::INCOMPATIBLE_PURPOSE,
-        ImportWrappedKey(wrapped_key_masked, wrapping_key, wrapping_key_desc, zero_masking_key));
+    ASSERT_EQ(ErrorCode::INCOMPATIBLE_PURPOSE,
+              ImportWrappedKey(
+                  wrapped_key_masked, wrapping_key, wrapping_key_desc, zero_masking_key,
+                  AuthorizationSetBuilder().Digest(Digest::SHA1).Padding(PaddingMode::RSA_OAEP)));
 }
 
 typedef KeymasterHidlTest EncryptionOperationsTest;