steghide  0.5.1
EncryptionAlgorithm.h
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1 /*
2  * steghide 0.5.1 - a steganography program
3  * Copyright (C) 1999-2003 Stefan Hetzl <shetzl@chello.at>
4  *
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU General Public License
7  * as published by the Free Software Foundation; either version 2
8  * of the License, or (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18  *
19  */
20 
21 #ifndef SH_ENCALGO_H
22 #define SH_ENCALGO_H
23 
24 #include <string>
25 
27  public:
29  static const unsigned int IRep_size = 5 ;
30 
32  enum IRep {
33  NONE = 0,
34  TWOFISH = 1,
38  SAFERPLUS = 5,
39  RC2 = 6,
40  XTEA = 7,
41  SERPENT = 8,
42  SAFERSK64 = 9,
43  SAFERSK128 = 10,
44  CAST256 = 11,
45  LOKI97 = 12,
46  GOST = 13,
47  THREEWAY = 14,
48  CAST128 = 15,
49  BLOWFISH = 16,
50  DES = 17,
51  TRIPLEDES = 18,
52  ENIGMA = 19,
53  ARCFOUR = 20,
54  PANAMA = 21,
55  WAKE = 22
56  } ;
57 
58  EncryptionAlgorithm (void) ;
59  EncryptionAlgorithm (IRep irep) ;
64  EncryptionAlgorithm (std::string srep) ;
65 
66  void setValue (IRep irep) ;
67 
68  std::string getStringRep (void) const ;
69  IRep getIntegerRep (void) const ;
70 
71  bool operator== (const EncryptionAlgorithm& algo) const
72  { return (Value == algo.Value) ; } ;
73 
79  static bool isValidStringRep (std::string srep) ;
80 
81  static bool isValidIntegerRep (unsigned int irep) ;
82 
86  static std::string translate (IRep irep) ;
87 
91  static IRep translate (std::string srep) ;
92 
93  private:
94  static const unsigned int NumValues = 23 ;
96 
97  typedef struct struct_Translation {
99  char* srep ;
100  } Translation ;
101  static const Translation Translations[] ;
102 } ;
103 
104 #endif // ndef SH_ENCALGO_H
EncryptionAlgorithm::BLOWFISH
Definition: EncryptionAlgorithm.h:49
EncryptionAlgorithm::translate
static std::string translate(IRep irep)
Definition: EncryptionAlgorithm.cc:70
EncryptionAlgorithm::operator==
bool operator==(const EncryptionAlgorithm &algo) const
Definition: EncryptionAlgorithm.h:71
EncryptionAlgorithm::ENIGMA
Definition: EncryptionAlgorithm.h:52
EncryptionAlgorithm::XTEA
Definition: EncryptionAlgorithm.h:40
EncryptionAlgorithm::GOST
Definition: EncryptionAlgorithm.h:46
EncryptionAlgorithm::NONE
Definition: EncryptionAlgorithm.h:33
EncryptionAlgorithm::WAKE
Definition: EncryptionAlgorithm.h:55
EncryptionAlgorithm::SAFERSK128
Definition: EncryptionAlgorithm.h:43
EncryptionAlgorithm::setValue
void setValue(IRep irep)
Definition: EncryptionAlgorithm.cc:39
EncryptionAlgorithm::EncryptionAlgorithm
EncryptionAlgorithm(void)
Definition: EncryptionAlgorithm.cc:24
EncryptionAlgorithm::getStringRep
std::string getStringRep(void) const
Definition: EncryptionAlgorithm.cc:44
EncryptionAlgorithm::Translations
static const Translation Translations[]
Definition: EncryptionAlgorithm.h:101
EncryptionAlgorithm::RC2
Definition: EncryptionAlgorithm.h:39
EncryptionAlgorithm::CAST128
Definition: EncryptionAlgorithm.h:48
EncryptionAlgorithm::CAST256
Definition: EncryptionAlgorithm.h:44
EncryptionAlgorithm::struct_Translation
Definition: EncryptionAlgorithm.h:97
EncryptionAlgorithm::IRep_size
static const unsigned int IRep_size
number of bits needed to code the algorithm
Definition: EncryptionAlgorithm.h:29
EncryptionAlgorithm::SAFERSK64
Definition: EncryptionAlgorithm.h:42
EncryptionAlgorithm::TRIPLEDES
Definition: EncryptionAlgorithm.h:51
EncryptionAlgorithm::struct_Translation::srep
char * srep
Definition: EncryptionAlgorithm.h:99
EncryptionAlgorithm::isValidStringRep
static bool isValidStringRep(std::string srep)
Definition: EncryptionAlgorithm.cc:54
EncryptionAlgorithm::IRep
IRep
integer representation of encryption algorithm
Definition: EncryptionAlgorithm.h:32
EncryptionAlgorithm::THREEWAY
Definition: EncryptionAlgorithm.h:47
EncryptionAlgorithm::NumValues
static const unsigned int NumValues
Definition: EncryptionAlgorithm.h:94
EncryptionAlgorithm::Translation
struct EncryptionAlgorithm::struct_Translation Translation
EncryptionAlgorithm::struct_Translation::irep
IRep irep
Definition: EncryptionAlgorithm.h:98
EncryptionAlgorithm::DES
Definition: EncryptionAlgorithm.h:50
EncryptionAlgorithm::RIJNDAEL128
Definition: EncryptionAlgorithm.h:35
EncryptionAlgorithm::isValidIntegerRep
static bool isValidIntegerRep(unsigned int irep)
Definition: EncryptionAlgorithm.cc:65
EncryptionAlgorithm::getIntegerRep
IRep getIntegerRep(void) const
Definition: EncryptionAlgorithm.cc:49
EncryptionAlgorithm::LOKI97
Definition: EncryptionAlgorithm.h:45
EncryptionAlgorithm::SERPENT
Definition: EncryptionAlgorithm.h:41
EncryptionAlgorithm::TWOFISH
Definition: EncryptionAlgorithm.h:34
EncryptionAlgorithm::RIJNDAEL192
Definition: EncryptionAlgorithm.h:36
EncryptionAlgorithm::Value
IRep Value
Definition: EncryptionAlgorithm.h:95
EncryptionAlgorithm::RIJNDAEL256
Definition: EncryptionAlgorithm.h:37
EncryptionAlgorithm::PANAMA
Definition: EncryptionAlgorithm.h:54
EncryptionAlgorithm::SAFERPLUS
Definition: EncryptionAlgorithm.h:38
EncryptionAlgorithm::ARCFOUR
Definition: EncryptionAlgorithm.h:53
EncryptionAlgorithm
Definition: EncryptionAlgorithm.h:26