diff --git a/radio/1.1/Android.mk b/radio/1.1/Android.mk
index f844d07..b83ac80 100644
--- a/radio/1.1/Android.mk
+++ b/radio/1.1/Android.mk
@@ -75,6 +75,25 @@
 LOCAL_GENERATED_SOURCES += $(GEN)
 
 #
+# Build types.hal (ImsiEncryptionInfo)
+#
+GEN := $(intermediates)/android/hardware/radio/V1_1/ImsiEncryptionInfo.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.radio@1.1::types.ImsiEncryptionInfo
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
 # Build types.hal (KeepaliveRequest)
 #
 GEN := $(intermediates)/android/hardware/radio/V1_1/KeepaliveRequest.java
@@ -421,6 +440,25 @@
 LOCAL_GENERATED_SOURCES += $(GEN)
 
 #
+# Build types.hal (ImsiEncryptionInfo)
+#
+GEN := $(intermediates)/android/hardware/radio/V1_1/ImsiEncryptionInfo.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.radio@1.1::types.ImsiEncryptionInfo
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
 # Build types.hal (KeepaliveRequest)
 #
 GEN := $(intermediates)/android/hardware/radio/V1_1/KeepaliveRequest.java
diff --git a/radio/1.1/IRadio.hal b/radio/1.1/IRadio.hal
index 084c156..22d27d4 100644
--- a/radio/1.1/IRadio.hal
+++ b/radio/1.1/IRadio.hal
@@ -34,23 +34,13 @@
      * switch and everytime the framework receives a new certificate.
      *
      * @param serial Serial number of request.
-     * @param carrierKey Carrier specific key to be used for encryption. It must
-     *        be opaque to the framework. This is the byte-stream representation
-     *        of the key. This is an external encoded form for the key used when
-     *        a standard representation of the key is needed outside the Java
-     *        Virtual Machine, as when transmitting the key to some other party.
-     *        The key is encoded according to a standard format
-     *        (such as X.509 SubjectPublicKeyInfo or PKCS#8), and is returned using
-     *        the getEncoded method.
-     * @param keyIdentifier This is an opaque value we're given by the carrier
-     *        and is returned to the carrier. This is used by the server to
-     *        help it locate the private key to decrypt the permanent identity.
+     * @param message ImsiEncryptionInfo as defined in types.hal.
+     *
      *
      * Response callback is
      * IRadioResponse.setCarrierInfoForImsiEncryptionResponse()
      */
-     oneway setCarrierInfoForImsiEncryption(int32_t serial, vec<uint8_t> carrierKey,
-             string keyIdentifier);
+     oneway setCarrierInfoForImsiEncryption(int32_t serial, ImsiEncryptionInfo imsiEncryptionInfo);
 
     /**
      * Set SIM card power state.
diff --git a/radio/1.1/types.hal b/radio/1.1/types.hal
index c9f4bc9..93d5d44 100644
--- a/radio/1.1/types.hal
+++ b/radio/1.1/types.hal
@@ -196,3 +196,23 @@
     int32_t sessionHandle;                  // the sessionHandle provided by the api
     KeepaliveStatusCode code;               // status for the given keepalive
 };
+
+struct ImsiEncryptionInfo {
+    string mcc;                   // MCC of the Carrier.
+    string mnc;                   // MNC of the Carrier.
+    vec<uint8_t> carrierKey;      // Carrier specific key to be used for encryption. It must
+                                  // be opaque to the framework. This is the byte-stream
+                                  // representation of the key. This is an external encoded
+                                  // form for the key used when a standard representation of
+                                  // the key is needed outside the Java Virtual Machine, as
+                                  // when transmitting the key to some other party.
+                                  // The key is encoded according to a standard format
+                                  // (such as X.509 SubjectPublicKeyInfo or PKCS#8), and is
+                                  // returned using the getEncoded method as defined on the
+                                  // java.security.Key interface.
+    string keyIdentifier;         // This is an opaque value we're given by the carrier
+                                  // and is returned to the carrier. This is used by the server to
+                                  // help it locate the private key to decrypt the permanent
+                                  // identity.
+    int64_t expirationTime;       // date-time in UTC when the key will expire.
+};