2 * Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License
18 using System.Runtime.InteropServices;
21 namespace Tizen.Security.SecureRepository
23 internal class SafeRawBufferHandle : SafeHandle
25 public SafeRawBufferHandle(IntPtr ptrRawBuffer, bool ownsHandle = true) : base(IntPtr.Zero, true)
27 this.SetHandle(ptrRawBuffer);
29 if (ptrRawBuffer == IntPtr.Zero)
32 CkmcRawBuffer buff = (CkmcRawBuffer)Marshal.PtrToStructure(ptrRawBuffer, typeof(CkmcRawBuffer));
33 byte[] data = new byte[buff.size];
34 Marshal.Copy(buff.data, data, 0, data.Length);
45 /// Gets a value that indicates whether the handle is invalid.
47 public override bool IsInvalid
49 get { return handle == IntPtr.Zero; }
53 /// When overridden in a derived class, executes the code required to free the handle.
55 /// <returns>true if the handle is released successfully</returns>
56 protected override bool ReleaseHandle()
58 if (IsInvalid) // do not release
61 Interop.CkmcTypes.BufferFree(handle);
62 this.SetHandle(IntPtr.Zero);