1 files changed, 55 insertions, 0 deletions
diff --git a/ready_se/google/keymint/KM200/HAL/ITransport.h b/ready_se/google/keymint/KM200/HAL/ITransport.h
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+++ b/ready_se/google/keymint/KM200/HAL/ITransport.h
@@ -0,0 +1,55 @@
+/*
+ **
+ ** Copyright 2020, The Android Open Source Project
+ **
+ ** Licensed under the Apache License, Version 2.0 (the "License");
+ ** you may not use this file except in compliance with the License.
+ ** You may obtain a copy of the License at
+ **
+ **     http://www.apache.org/licenses/LICENSE-2.0
+ **
+ ** Unless required by applicable law or agreed to in writing, software
+ ** distributed under the License is distributed on an "AS IS" BASIS,
+ ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ ** See the License for the specific language governing permissions and
+ ** limitations under the License.
+ */
+#pragma once
+
+#include <memory>
+#include <vector>
+
+#include <hardware/keymaster_defs.h>
+
+namespace keymint::javacard {
+using std::shared_ptr;
+using std::vector;
+
+/**
+ * ITransport is an interface with a set of virtual methods that allow communication between the
+ * HAL and the applet on the secure element.
+ */
+class ITransport {
+  public:
+    virtual ~ITransport() {}
+
+    /**
+     * Opens connection.
+     */
+    virtual keymaster_error_t openConnection() = 0;
+    /**
+     * Send data over communication channel and receives data back from the remote end.
+     */
+    virtual keymaster_error_t sendData(const vector<uint8_t>& inData, vector<uint8_t>& output) = 0;
+    /**
+     * Closes the connection.
+     */
+    virtual keymaster_error_t closeConnection() = 0;
+    /**
+     * Returns the state of the connection status. Returns true if the connection is active, false
+     * if connection is broken.
+     */
+    virtual bool isConnected() = 0;
+};
+
+}  // namespace keymint::javacard