1//
2// This file is part of the aMule Project.
3//
4// Copyright (c) 2003-2011 aMule Team ( admin@amule.org / http://www.amule.org )
5// Copyright (c) 2002-2011 Merkur ( devs@emule-project.net / http://www.emule-project.net )
6//
7// Any parts of this program derived from the xMule, lMule or eMule project,
8// or contributed by third-party developers are copyrighted by their
9// respective authors.
10//
11// This program is free software; you can redistribute it and/or modify
12// it under the terms of the GNU General Public License as published by
13// the Free Software Foundation; either version 2 of the License, or
14// (at your option) any later version.
15//
16// This program is distributed in the hope that it will be useful,
17// but WITHOUT ANY WARRANTY; without even the implied warranty of
18// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19// GNU General Public License for more details.
20//
21// You should have received a copy of the GNU General Public License
22// along with this program; if not, write to the Free Software
23// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301, USA
24//
25
26#ifndef CLIENTCREDITSLIST_H
27#define CLIENTCREDITSLIST_H
28
29#include "MD4Hash.h"	// Needed for CMD4Hash
30
31#include <map>
32
33class CClientCredits;
34
35class CClientCreditsList
36{
37public:
38	CClientCreditsList();
39	~CClientCreditsList();
40
41	// return signature size, 0 = Failed | use sigkey param for debug only
42	uint8	CreateSignature(CClientCredits* pTarget, byte* pachOutput, uint8 nMaxSize, uint32 ChallengeIP, uint8 byChaIPKind, void* sigkey = NULL);
43	bool	VerifyIdent(CClientCredits* pTarget, const byte* pachSignature, uint8 nInputSize, uint32 dwForIP, uint8 byChaIPKind);
44
45	CClientCredits* GetCredit(const CMD4Hash& key);
46	void	Process();
47	uint8	GetPubKeyLen() const 			{return m_nMyPublicKeyLen;}
48	const byte*	GetPublicKey() const		{return m_abyMyPublicKey;}
49	bool	CryptoAvailable() const;
50	void	SaveList();
51protected:
52	void	LoadList();
53	void	InitalizeCrypting();
54	bool	CreateKeyPair();
55#ifdef _DEBUG
56	bool	Debug_CheckCrypting();
57#endif
58private:
59	typedef std::map<CMD4Hash, CClientCredits*> ClientMap;
60	ClientMap	m_mapClients;
61	uint32		m_nLastSaved;
62	// A void* to avoid having to include the large CryptoPP.h file
63	void*		m_pSignkey;
64	byte		m_abyMyPublicKey[80];
65	uint8		m_nMyPublicKeyLen;
66};
67
68#endif // CLIENTCREDITSLIST_H
69// File_checked_for_headers
70