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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;
using KeePassLib.Collections;
using KeePassLib.Utility;
namespace KeePassLib.Cryptography.KeyDerivation
{
public sealed class KdfParameters : VariantDictionary
{
private const string ParamUuid = @"$UUID";
private readonly PwUuid m_puKdf;
public PwUuid KdfUuid
{
get { return m_puKdf; }
}
public KdfParameters(PwUuid puKdf)
{
if(puKdf == null) throw new ArgumentNullException("puKdf");
m_puKdf = puKdf;
SetByteArray(ParamUuid, puKdf.UuidBytes);
}
/// <summary>
/// Unsupported.
/// </summary>
public override object Clone()
{
throw new NotSupportedException();
}
public static byte[] SerializeExt(KdfParameters p)
{
return VariantDictionary.Serialize(p);
}
public static KdfParameters DeserializeExt(byte[] pb)
{
VariantDictionary d = VariantDictionary.Deserialize(pb);
if(d == null) { Debug.Assert(false); return null; }
byte[] pbUuid = d.GetByteArray(ParamUuid);
if((pbUuid == null) || (pbUuid.Length != (int)PwUuid.UuidSize))
{
Debug.Assert(false);
return null;
}
PwUuid pu = new PwUuid(pbUuid);
KdfParameters p = new KdfParameters(pu);
d.CopyTo(p);
return p;
}
}
}
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