diff --git a/drm/1.2/IDrmPlugin.hal b/drm/1.2/IDrmPlugin.hal
index 7d266f4..df09ccf 100644
--- a/drm/1.2/IDrmPlugin.hal
+++ b/drm/1.2/IDrmPlugin.hal
@@ -226,4 +226,22 @@
      * @param sessionId identifies the session the event originated from
      */
     sendSessionLostState(SessionId sessionId);
+
+    /**
+     * Send a keys change event to the listener. The keys change event
+     * indicates the status of each key in the session. Keys can be
+     * indicated as being usable, expired, outputnotallowed or statuspending.
+     *
+     * This method only differs from @1.0 version by the addition of new
+     * KeyStatusType(s) in keyStatusList.
+     *
+     * @param sessionId identifies the session the event originated from
+     * @param keyStatusList indicates the status for each key ID in the
+     * session.
+     * @param hasNewUsableKey indicates if the event includes at least one
+     * key that has become usable.
+     */
+    sendKeysChange_1_2(SessionId sessionId, vec<KeyStatus> keyStatusList,
+            bool hasNewUsableKey);
+
 };
diff --git a/drm/1.2/IDrmPluginListener.hal b/drm/1.2/IDrmPluginListener.hal
index a6bd6c9..e8cb91a 100644
--- a/drm/1.2/IDrmPluginListener.hal
+++ b/drm/1.2/IDrmPluginListener.hal
@@ -36,4 +36,22 @@
      * @param sessionId identifies the session that has been invalidated
      */
      oneway sendSessionLostState(SessionId sessionId);
+
+    /**
+     * Send a keys change event to the listener. The keys change event
+     * indicates the status of each key in the session. Keys can be
+     * indicated as being usable, expired, outputnotallowed or statuspending.
+     *
+     * This method only differs from @1.0 version by the addition of new
+     * KeyStatusType(s) in keyStatusList.
+     *
+     * @param sessionId identifies the session the event originated from
+     * @param keyStatusList indicates the status for each key ID in the
+     * session.
+     * @param hasNewUsableKey indicates if the event includes at least one
+     * key that has become usable.
+     */
+    oneway sendKeysChange_1_2(SessionId sessionId, vec<KeyStatus> keyStatusList,
+            bool hasNewUsableKey);
+
 };
diff --git a/drm/1.2/types.hal b/drm/1.2/types.hal
index 28c8e67..87218a4 100644
--- a/drm/1.2/types.hal
+++ b/drm/1.2/types.hal
@@ -16,6 +16,7 @@
 
 package android.hardware.drm@1.2;
 
+import @1.0::KeyStatusType;
 import @1.0::Status;
 import @1.1::HdcpLevel;
 
@@ -93,3 +94,25 @@
  * set in methods that take a KeySetId as an input parameter.
  */
 typedef vec<uint8_t> KeySetId;
+
+enum KeyStatusType : @1.0::KeyStatusType {
+    /**
+     * The key is not yet usable to decrypt media because the start
+     * time is in the future. The key must become usable when
+     * its start time is reached.
+     */
+    USABLEINFUTURE
+};
+
+/**
+ * Used by sendKeysChange_1_2 to report the usability status of each key to the
+ * app.
+ *
+ * This struct only differs from @1.0 version by the addition of new
+ * KeyStatusType(s).
+ *
+ */
+struct KeyStatus {
+    KeySetId keyId;
+    KeyStatusType type;
+};
diff --git a/drm/1.2/vts/functional/drm_hal_common.cpp b/drm/1.2/vts/functional/drm_hal_common.cpp
index b9a8425..bfffbe8 100644
--- a/drm/1.2/vts/functional/drm_hal_common.cpp
+++ b/drm/1.2/vts/functional/drm_hal_common.cpp
@@ -56,6 +56,7 @@
 namespace vts {
 
 const char *kCallbackLostState = "LostState";
+const char *kCallbackKeysChange = "KeysChange";
 
 drm_vts::VendorModules *DrmHalTest::gVendorModules = nullptr;
 
@@ -64,7 +65,19 @@
  */
 
 Return<void> DrmHalPluginListener::sendSessionLostState(const hidl_vec<uint8_t>& sessionId) {
-    NotifyFromCallback(kCallbackLostState, sessionId);
+    ListenerEventArgs args;
+    args.sessionId = sessionId;
+    NotifyFromCallback(kCallbackLostState, args);
+    return Void();
+}
+
+Return<void> DrmHalPluginListener::sendKeysChange_1_2(const hidl_vec<uint8_t>& sessionId,
+        const hidl_vec<KeyStatus>& keyStatusList, bool hasNewUsableKey) {
+    ListenerEventArgs args;
+    args.sessionId = sessionId;
+    args.keyStatusList = keyStatusList;
+    args.hasNewUsableKey = hasNewUsableKey;
+    NotifyFromCallback(kCallbackKeysChange, args);
     return Void();
 }
 
diff --git a/drm/1.2/vts/functional/drm_hal_common.h b/drm/1.2/vts/functional/drm_hal_common.h
index 1b95dde..e348664 100644
--- a/drm/1.2/vts/functional/drm_hal_common.h
+++ b/drm/1.2/vts/functional/drm_hal_common.h
@@ -37,7 +37,7 @@
 
 using ::android::hardware::drm::V1_0::EventType;
 using ::android::hardware::drm::V1_0::KeyedVector;
-using ::android::hardware::drm::V1_0::KeyStatus;
+using KeyStatusV1_0 = ::android::hardware::drm::V1_0::KeyStatus;
 using ::android::hardware::drm::V1_0::KeyType;
 using ::android::hardware::drm::V1_0::Mode;
 using ::android::hardware::drm::V1_0::Pattern;
@@ -46,10 +46,6 @@
 
 using ::android::hardware::drm::V1_1::ICryptoFactory;
 
-using ::android::hardware::drm::V1_2::ICryptoPlugin;
-using ::android::hardware::drm::V1_2::IDrmFactory;
-using ::android::hardware::drm::V1_2::IDrmPlugin;
-using ::android::hardware::drm::V1_2::IDrmPluginListener;
 using StatusV1_2 = ::android::hardware::drm::V1_2::Status;
 
 using ::android::hardware::hidl_array;
@@ -166,9 +162,16 @@
  *  Event Handling tests
  */
 extern const char *kCallbackLostState;
+extern const char *kCallbackKeysChange;
+
+struct ListenerEventArgs {
+    SessionId sessionId;
+    hidl_vec<KeyStatus> keyStatusList;
+    bool hasNewUsableKey;
+};
 
 class DrmHalPluginListener
-    : public ::testing::VtsHalHidlTargetCallbackBase<SessionId>,
+    : public ::testing::VtsHalHidlTargetCallbackBase<ListenerEventArgs>,
       public IDrmPluginListener {
 public:
     DrmHalPluginListener() {
@@ -183,10 +186,13 @@
             int64_t) override { return Void(); }
 
     virtual Return<void> sendKeysChange(const hidl_vec<uint8_t>&,
-            const hidl_vec<KeyStatus>&, bool) override { return Void(); }
+            const hidl_vec<KeyStatusV1_0>&, bool) override { return Void(); }
 
     virtual Return<void> sendSessionLostState(const hidl_vec<uint8_t>& sessionId) override;
 
+    virtual Return<void> sendKeysChange_1_2(const hidl_vec<uint8_t>&,
+            const hidl_vec<KeyStatus>&, bool) override;
+
 };
 
 }  // namespace vts
diff --git a/drm/1.2/vts/functional/drm_hal_test.cpp b/drm/1.2/vts/functional/drm_hal_test.cpp
index 252ebb9..37ecc25 100644
--- a/drm/1.2/vts/functional/drm_hal_test.cpp
+++ b/drm/1.2/vts/functional/drm_hal_test.cpp
@@ -28,6 +28,8 @@
 using ::android::hardware::drm::V1_1::SecurityLevel;
 using ::android::hardware::drm::V1_2::HdcpLevel;
 using ::android::hardware::drm::V1_2::KeySetId;
+using ::android::hardware::drm::V1_2::KeyStatus;
+using ::android::hardware::drm::V1_2::KeyStatusType;
 using ::android::hardware::drm::V1_2::OfflineLicenseState;
 
 using ::android::hardware::drm::V1_2::vts::DrmHalClearkeyTest;
@@ -35,6 +37,7 @@
 using ::android::hardware::drm::V1_2::vts::DrmHalTest;
 using ::android::hardware::drm::V1_2::vts::DrmHidlEnvironment;
 using ::android::hardware::drm::V1_2::vts::kCallbackLostState;
+using ::android::hardware::drm::V1_2::vts::kCallbackKeysChange;
 
 using ::android::hardware::hidl_string;
 
@@ -275,6 +278,35 @@
 }
 
 /**
+ * Simulate the plugin sending keys change and make sure
+ * the listener gets them.
+ */
+TEST_P(DrmHalTest, ListenerKeysChange) {
+    RETURN_IF_SKIPPED;
+    sp<DrmHalPluginListener> listener = new DrmHalPluginListener();
+    auto res = drmPlugin->setListener(listener);
+    EXPECT_OK(res);
+
+    auto sessionId = openSession();
+    const hidl_vec<KeyStatus> keyStatusList = {
+        {{1}, KeyStatusType::USABLE},
+        {{2}, KeyStatusType::EXPIRED},
+        {{3}, KeyStatusType::OUTPUTNOTALLOWED},
+        {{4}, KeyStatusType::STATUSPENDING},
+        {{5}, KeyStatusType::INTERNALERROR},
+        {{6}, KeyStatusType::USABLEINFUTURE},
+    };
+
+    drmPlugin->sendKeysChange_1_2(sessionId, keyStatusList, true);
+    auto result = listener->WaitForCallback(kCallbackKeysChange);
+    EXPECT_TRUE(result.no_timeout);
+    EXPECT_TRUE(result.args);
+    EXPECT_EQ(sessionId, result.args->sessionId);
+    EXPECT_EQ(keyStatusList, result.args->keyStatusList);
+    closeSession(sessionId);
+}
+
+/**
  *  CryptoPlugin Decrypt tests
  */
 
@@ -452,7 +484,7 @@
     auto result = listener->WaitForCallback(kCallbackLostState);
     EXPECT_TRUE(result.no_timeout);
     EXPECT_TRUE(result.args);
-    EXPECT_EQ(sessionId, *(result.args));
+    EXPECT_EQ(sessionId, result.args->sessionId);
 }
 
 /**