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/*
KeePass Password Safe - The Open-Source Password Manager
Copyright (C) 2003-2024 Dominik Reichl <dominik.reichl@t-online.de>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Text;
#if !KeePassUAP
using System.Security.Cryptography;
namespace KeePassLib.Cryptography
{
public sealed class CryptoStreamEx : CryptoStream
{
private ICryptoTransform m_t;
private SymmetricAlgorithm m_a;
public CryptoStreamEx(Stream s, ICryptoTransform t, CryptoStreamMode m,
SymmetricAlgorithm a) : base(s, t, m)
{
m_t = t;
m_a = a;
}
protected override void Dispose(bool disposing)
{
try { base.Dispose(disposing); }
// Unnecessary exception from CryptoStream with
// RijndaelManagedTransform when a stream hasn't been
// read completely (e.g. incorrect master key)
catch(CryptographicException) { }
// Similar to above, at the beginning of the stream
catch(IndexOutOfRangeException) { }
catch(Exception) { Debug.Assert(false); }
if(disposing)
{
try { if(m_t != null) { m_t.Dispose(); m_t = null; } }
catch(Exception) { Debug.Assert(false); }
// In .NET 2.0, SymmetricAlgorithm.Dispose() is not public
try { if(m_a != null) { m_a.Clear(); m_a = null; } }
catch(Exception) { Debug.Assert(false); }
}
}
}
}
#endif
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