106 lines
2.7 KiB
C#
106 lines
2.7 KiB
C#
/*
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KeePass Password Safe - The Open-Source Password Manager
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Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Text;
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using System.Diagnostics;
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namespace KeePassLib.Keys
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{
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public sealed class KeyProviderPool : IEnumerable<KeyProvider>
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{
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private List<KeyProvider> m_vProviders = new List<KeyProvider>();
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public int Count
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{
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get { return m_vProviders.Count; }
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}
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IEnumerator IEnumerable.GetEnumerator()
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{
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return m_vProviders.GetEnumerator();
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}
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public IEnumerator<KeyProvider> GetEnumerator()
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{
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return m_vProviders.GetEnumerator();
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}
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public void Add(KeyProvider prov)
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{
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Debug.Assert(prov != null); if(prov == null) throw new ArgumentNullException("prov");
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m_vProviders.Add(prov);
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}
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public bool Remove(KeyProvider prov)
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{
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Debug.Assert(prov != null); if(prov == null) throw new ArgumentNullException("prov");
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return m_vProviders.Remove(prov);
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}
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public KeyProvider Get(string strProviderName)
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{
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if(strProviderName == null) throw new ArgumentNullException("strProviderName");
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foreach(KeyProvider prov in m_vProviders)
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{
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if(prov.Name == strProviderName) return prov;
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}
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return null;
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}
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public bool IsKeyProvider(string strName)
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{
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Debug.Assert(strName != null); if(strName == null) throw new ArgumentNullException("strName");
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foreach(KeyProvider prov in m_vProviders)
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{
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if(prov.Name == strName) return true;
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}
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return false;
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}
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internal byte[] GetKey(string strProviderName, KeyProviderQueryContext ctx,
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out bool bPerformHash)
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{
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Debug.Assert(strProviderName != null); if(strProviderName == null) throw new ArgumentNullException("strProviderName");
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bPerformHash = true;
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foreach(KeyProvider prov in m_vProviders)
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{
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if(prov.Name == strProviderName)
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{
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bPerformHash = !prov.DirectKey;
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return prov.GetKey(ctx);
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}
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}
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Debug.Assert(false);
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return null;
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}
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}
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}
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