summaryrefslogtreecommitdiffstats
path: root/src/modules/rijndael/libkvirijndael.h
blob: 18632116ab984d9981784f4c8856667ed47127f5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
#ifndef _LIBKVIRIJNDAEL_H_
#define _LIBKVIRIJNDAEL_H_
//
//   File : libkvirijndael.h
//   Creation date : Sat Now 4 2000 15:41:41 CEST by Szymon Stefanek
//
//   This file is part of the KVirc irc client distribution
//   Copyright (C) 1999-2000 Till Bush (buti@geocities.com)
//
//   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 opinion) 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 Street, Fifth Floor, Boston, MA 02110-1301, USA.
//

#include "kvi_settings.h"

#ifdef COMPILE_CRYPT_SUPPORT

	#include "kvi_crypt.h"
	#include "rijndael.h"

	class KviRijndaelEngine : public KviCryptEngine
	{
		TQ_OBJECT
  
	public:
		KviRijndaelEngine();
		virtual ~KviRijndaelEngine();
	private:
		Rijndael * m_pEncryptCipher;
		Rijndael * m_pDecryptCipher;
	public:
		virtual bool init(const char *encKey,int encKeyLen,const char *decKey,int decKeyLen);
		virtual KviCryptEngine::EncryptResult encrypt(const char * plainText,KviStr &outBuffer);
		virtual KviCryptEngine::DecryptResult decrypt(const char * inBuffer,KviStr &plainText);
	protected:
		virtual bool binaryToAscii(const char * inBuffer,int len,KviStr &outBuffer){ return false; };
		virtual bool asciiToBinary(const char * inBuffer,int * len,char ** outBuffer){ return false; };
		virtual int getKeyLen(){ return 32; };
		virtual Rijndael::KeyLength getKeyLenId(){ return Rijndael::Key32Bytes; };
	private:
		void setLastErrorFromRijndaelErrorCode(int errCode);
	};

	class KviRijndaelHexEngine : public KviRijndaelEngine
	{
		TQ_OBJECT
  
	public:
		KviRijndaelHexEngine() : KviRijndaelEngine() {};
		virtual ~KviRijndaelHexEngine(){};
	protected:
		virtual bool binaryToAscii(const char * inBuffer,int len,KviStr &outBuffer);
		virtual bool asciiToBinary(const char * inBuffer,int * len,char ** outBuffer);
	};

	class KviRijndael128HexEngine : public KviRijndaelHexEngine
	{
		TQ_OBJECT
  
	public:
		KviRijndael128HexEngine() : KviRijndaelHexEngine() {};
		virtual ~KviRijndael128HexEngine(){};
	protected:
		virtual int getKenLen(){ return 16; };
		virtual Rijndael::KeyLength getKeyLenId(){ return Rijndael::Key16Bytes; };
	};

	class KviRijndael192HexEngine : public KviRijndaelHexEngine
	{
		TQ_OBJECT
  
	public:
		KviRijndael192HexEngine() : KviRijndaelHexEngine() {};
		virtual ~KviRijndael192HexEngine(){};
	protected:
		virtual int getKenLen(){ return 24; };
		virtual Rijndael::KeyLength getKeyLenId(){ return Rijndael::Key24Bytes; };
	};

	class KviRijndael256HexEngine : public KviRijndaelHexEngine
	{
		TQ_OBJECT
  
	public:
		KviRijndael256HexEngine() : KviRijndaelHexEngine() {};
		virtual ~KviRijndael256HexEngine(){};
	protected:
		virtual int getKenLen(){ return 32; };
	};

	class KviRijndaelBase64Engine : public KviRijndaelEngine
	{
		TQ_OBJECT
  
	public:
		KviRijndaelBase64Engine() : KviRijndaelEngine() {};
		virtual ~KviRijndaelBase64Engine(){};
	protected:
		virtual bool binaryToAscii(const char * inBuffer,int len,KviStr &outBuffer);
		virtual bool asciiToBinary(const char * inBuffer,int * len,char ** outBuffer);
	};

	class KviRijndael128Base64Engine : public KviRijndaelBase64Engine
	{
		TQ_OBJECT
  
	public:
		KviRijndael128Base64Engine() : KviRijndaelBase64Engine() {};
		virtual ~KviRijndael128Base64Engine(){};
	protected:
		virtual int getKenLen(){ return 16; };
		virtual Rijndael::KeyLength getKeyLenId(){ return Rijndael::Key16Bytes; };
	};

	class KviRijndael192Base64Engine : public KviRijndaelBase64Engine
	{
		TQ_OBJECT
  
	public:
		KviRijndael192Base64Engine() : KviRijndaelBase64Engine() {};
		virtual ~KviRijndael192Base64Engine(){};
	protected:
		virtual int getKenLen(){ return 24; };
		virtual Rijndael::KeyLength getKeyLenId(){ return Rijndael::Key24Bytes; };
	};

	class KviRijndael256Base64Engine : public KviRijndaelBase64Engine
	{
		TQ_OBJECT
  
	public:
		KviRijndael256Base64Engine() : KviRijndaelBase64Engine() {};
		virtual ~KviRijndael256Base64Engine(){};
	protected:
		virtual int getKenLen(){ return 32; };
	};

	// Mircyption stuff
	#define MCPS2_STARTTAG "\xABm\xAB"
	#define MCPS2_ENDTAG "\xBBm\xBB"

	class KviMircryptionEngine : public KviCryptEngine
	{
		TQ_OBJECT
  
	public:
		KviMircryptionEngine();
		~KviMircryptionEngine();
	protected:
		KviStr m_szEncryptKey;
		bool m_bEncryptCBC;
		KviStr m_szDecryptKey;
		bool m_bDecryptCBC;
	public:
		virtual bool isCryptographicEngine(){ return false; }; // we need to return false since it doesn't use the TQt::CTRL+P escape
		virtual bool init(const char *encKey,int encKeyLen,const char *decKey,int decKeyLen);
		virtual KviCryptEngine::EncryptResult encrypt(const char * plainText,KviStr &outBuffer);
		virtual KviCryptEngine::DecryptResult decrypt(const char * inBuffer,KviStr &plainText);
	protected:
		bool doDecryptECB(KviStr &encoded,KviStr &plain);
		bool doDecryptCBC(KviStr &encoded,KviStr &plain);
		bool doEncryptECB(KviStr &plain,KviStr &encoded);
		bool doEncryptCBC(KviStr &plain,KviStr &encoded);
	};

#endif // COMPILE_CRYPT_SUPPORT

#endif // _LIBKVIRIJNDAEL_H_