1 files changed, 65 insertions, 0 deletions
diff --git a/ready_se/google/keymint/KM200/HAL/OmapiTransport.h b/ready_se/google/keymint/KM200/HAL/OmapiTransport.h
new file mode 100644
index 0000000..a199bbb
--- /dev/null
+++ b/ready_se/google/keymint/KM200/HAL/OmapiTransport.h
@@ -0,0 +1,65 @@
+#pragma once
+
+#include <map>
+#include <memory>
+#include <vector>
+
+#include <aidl/android/se/omapi/BnSecureElementListener.h>
+#include <aidl/android/se/omapi/ISecureElementChannel.h>
+#include <aidl/android/se/omapi/ISecureElementListener.h>
+#include <aidl/android/se/omapi/ISecureElementReader.h>
+#include <aidl/android/se/omapi/ISecureElementService.h>
+#include <aidl/android/se/omapi/ISecureElementSession.h>
+
+#include <android/binder_manager.h>
+
+#include "ITransport.h"
+
+namespace keymint::javacard {
+using std::vector;
+
+/**
+ * OmapiTransport is derived from ITransport. This class gets the OMAPI service binder instance and
+ * uses IPC to communicate with OMAPI service. OMAPI inturn communicates with hardware via
+ * ISecureElement.
+ */
+class OmapiTransport : public ITransport {
+
+  public:
+    OmapiTransport()
+        : omapiSeService(nullptr), eSEReader(nullptr), session(nullptr), channel(nullptr),
+          mVSReaders({}) {}
+    /**
+     * Gets the binder instance of ISEService, gets te reader corresponding to secure element,
+     * establishes a session and opens a basic channel.
+     */
+    keymaster_error_t openConnection() override;
+    /**
+     * Transmists the data over the opened basic channel and receives the data back.
+     */
+    keymaster_error_t sendData(const vector<uint8_t>& inData, vector<uint8_t>& output) override;
+
+    /**
+     * Closes the connection.
+     */
+    keymaster_error_t closeConnection() override;
+    /**
+     * Returns the state of the connection status. Returns true if the connection is active, false
+     * if connection is broken.
+     */
+    bool isConnected() override;
+
+  private:
+    std::shared_ptr<aidl::android::se::omapi::ISecureElementService> omapiSeService;
+    std::shared_ptr<aidl::android::se::omapi::ISecureElementReader> eSEReader;
+    std::shared_ptr<aidl::android::se::omapi::ISecureElementSession> session;
+    std::shared_ptr<aidl::android::se::omapi::ISecureElementChannel> channel;
+    std::map<std::string, std::shared_ptr<aidl::android::se::omapi::ISecureElementReader>>
+        mVSReaders;
+    keymaster_error_t initialize();
+    bool
+    internalTransmitApdu(std::shared_ptr<aidl::android::se::omapi::ISecureElementReader> reader,
+                         std::vector<uint8_t> apdu, std::vector<uint8_t>& transmitResponse);
+};
+
+}  // namespace keymint::javacard