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/*
KeePass Password Safe - The Open-Source Password Manager
Copyright (C) 2003-2012 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;
using System.Collections.Generic;
using System.Text;
using System.Diagnostics;
using KeePassLib.Utility;
namespace KeePassLib.Keys
{
public sealed class KeyValidatorPool : IEnumerable<KeyValidator>
{
private List<KeyValidator> m_vValidators = new List<KeyValidator>();
public int Count
{
get { return m_vValidators.Count; }
}
IEnumerator IEnumerable.GetEnumerator()
{
return m_vValidators.GetEnumerator();
}
public IEnumerator<KeyValidator> GetEnumerator()
{
return m_vValidators.GetEnumerator();
}
public void Add(KeyValidator v)
{
Debug.Assert(v != null); if(v == null) throw new ArgumentNullException("v");
m_vValidators.Add(v);
}
public bool Remove(KeyValidator v)
{
Debug.Assert(v != null); if(v == null) throw new ArgumentNullException("v");
return m_vValidators.Remove(v);
}
public string Validate(string strKey, KeyValidationType t)
{
Debug.Assert(strKey != null); if(strKey == null) throw new ArgumentNullException("strKey");
foreach(KeyValidator v in m_vValidators)
{
string strResult = v.Validate(strKey, t);
if(strResult != null) return strResult;
}
return null;
}
public string Validate(byte[] pbKeyUtf8, KeyValidationType t)
{
Debug.Assert(pbKeyUtf8 != null); if(pbKeyUtf8 == null) throw new ArgumentNullException("pbKeyUtf8");
if(m_vValidators.Count == 0) return null;
string strKey = StrUtil.Utf8.GetString(pbKeyUtf8, 0, pbKeyUtf8.Length);
return Validate(strKey, t);
}
}
}
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