97 lines
2.2 KiB
C#
97 lines
2.2 KiB
C#
/*
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KeePass Password Safe - The Open-Source Password Manager
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Copyright (C) 2003-2017 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.Generic;
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using System.Diagnostics;
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using System.Text;
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using KeePassLib.Utility;
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namespace KeePassLib.Cryptography.KeyDerivation
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{
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public static class KdfPool
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{
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private static List<KdfEngine> g_l = new List<KdfEngine>();
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public static IEnumerable<KdfEngine> Engines
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{
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get
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{
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EnsureInitialized();
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return g_l;
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}
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}
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private static void EnsureInitialized()
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{
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if(g_l.Count > 0) return;
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g_l.Add(new AesKdf());
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g_l.Add(new Argon2Kdf());
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}
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internal static KdfParameters GetDefaultParameters()
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{
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EnsureInitialized();
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return g_l[0].GetDefaultParameters();
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}
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public static KdfEngine Get(PwUuid pu)
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{
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if(pu == null) { Debug.Assert(false); return null; }
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EnsureInitialized();
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foreach(KdfEngine kdf in g_l)
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{
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if(pu.Equals(kdf.Uuid)) return kdf;
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}
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return null;
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}
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public static KdfEngine Get(string strName)
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{
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if(string.IsNullOrEmpty(strName)) { Debug.Assert(false); return null; }
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EnsureInitialized();
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foreach(KdfEngine kdf in g_l)
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{
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if(strName.Equals(kdf.Name, StrUtil.CaseIgnoreCmp)) return kdf;
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}
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return null;
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}
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public static void Add(KdfEngine kdf)
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{
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if(kdf == null) { Debug.Assert(false); return; }
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EnsureInitialized();
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if(Get(kdf.Uuid) != null) { Debug.Assert(false); return; }
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if(Get(kdf.Name) != null) { Debug.Assert(false); return; }
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g_l.Add(kdf);
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}
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}
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}
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