/
Certificate.cs
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/
Certificate.cs
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/*
* Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
*
* 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
*/
using System;
using System.Runtime.InteropServices;
using static Interop;
namespace Tizen.Security.SecureRepository
{
/// <summary>
/// The class that represents a certificate.
/// </summary>
/// <since_tizen> 3 </since_tizen>
public class Certificate
{
/// <summary>
/// Loads Certificate from the given file path.
/// </summary>
/// <since_tizen> 3 </since_tizen>
/// <param name="filePath">The path of certificate file to be loaded.</param>
/// <returns>Loaded certificate class instance.</returns>
/// <exception cref="ArgumentNullException">
/// The filePath should not be null
/// </exception>
/// <exception cref="InvalidOperationException">
/// Invalid certificate file format. Provided file path does not exist or
/// cannot be accessed.
/// </exception>
static public Certificate Load(string filePath)
{
if (filePath == null)
throw new ArgumentNullException("filepath should not be null");
IntPtr ptr = IntPtr.Zero;
Interop.CheckNThrowException(
CkmcTypes.LoadCertFromFile(filePath, out ptr),
"Failed to load Certificate: " + filePath);
return new Certificate(ptr);
}
/// <summary>
/// A constructor of Certificate that takes the binary and its format.
/// </summary>
/// <since_tizen> 3 </since_tizen>
/// <param name="binary">The binary data of a certificate.</param>
/// <param name="format">The format of the binary data.</param>
public Certificate(byte[] binary, DataFormat format)
{
this.Binary = binary;
this.Format = format;
}
internal Certificate(IntPtr ptr)
{
if (ptr == IntPtr.Zero)
throw new ArgumentNullException("Returned ptr from CAPI cannot be null");
var ckmcCert = Marshal.PtrToStructure<CkmcCert>(ptr);
this.Binary = new byte[(int)ckmcCert.size];
Marshal.Copy(ckmcCert.rawCert, this.Binary, 0, this.Binary.Length);
this.Format = (DataFormat)ckmcCert.dataFormat;
}
// Refresh handle(IntPtr) always. Because C# layer
// properties(Binary, Format) could be changed.
internal IntPtr GetHandle()
{
IntPtr ptr = IntPtr.Zero;
try
{
CheckNThrowException(
CkmcTypes.CertNew(
this.Binary, (UIntPtr)this.Binary.Length, (int)this.Format,
out ptr),
"Failed to create cert");
return ptr;
}
catch
{
if (ptr != IntPtr.Zero)
CkmcTypes.CertFree(ptr);
throw;
}
}
/// <summary>
/// The binary value of a certificate.
/// </summary>
/// <since_tizen> 3 </since_tizen>
public byte[] Binary
{
get; set;
}
/// <summary>
/// The format of the binary value.
/// </summary>
/// <since_tizen> 3 </since_tizen>
public DataFormat Format
{
get; set;
}
internal CkmcCert ToCkmcCert()
{
return new Interop.CkmcCert(
(Binary == null) ? IntPtr.Zero : new PinnedObject(this.Binary),
(Binary == null) ? 0 : this.Binary.Length,
(int)Format);
}
}
}