Support File Based Encryption

Change-Id: Ib688ddd0c32d3999590cacd86b6d9b18eac336e9
diff --git a/crypto/ext4crypt/main.cpp b/crypto/ext4crypt/main.cpp
new file mode 100644
index 0000000..f0266ae
--- /dev/null
+++ b/crypto/ext4crypt/main.cpp
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2016 Team Win Recovery 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.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "Decrypt.h"
+
+int main(int argc, char *argv[]) {
+	bool ret = false;
+	if (argc < 2) {
+		Decrypt_DE();
+		ret = Decrypt_User(0, "0000");
+	} else if (argc < 3) {
+		Decrypt_DE();
+		ret = Decrypt_User(0, argv[1]);
+	} else {
+		ret = Decrypt_User(atoi(argv[1]), argv[2]);
+	}
+	if (!ret)
+		printf("Failed to decrypt\n");
+	return 0;
+}