Crypto++ 8.2 Free C++ class library of cryptographic schemes

mars.h
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1 // mars.h - originally written and placed in the public domain by Wei Dai
2
3 /// \file mars.h
4 /// \brief Classes for the MARS block cipher (IBM AES submission)
5 /// \since Crypto++ 3.0
6
7 #ifndef CRYPTOPP_MARS_H
8 #define CRYPTOPP_MARS_H
9
10 #include "seckey.h"
11 #include "secblock.h"
12
13 NAMESPACE_BEGIN(CryptoPP)
14
15 /// \brief MARS block cipher information
16 /// \since Crypto++ 3.0
17 struct MARS_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 16, 56, 8>
18 {
19 CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "MARS";}
20 };
21
22 /// \brief MARS block cipher
23 /// \sa <a href="http://www.cryptopp.com/wiki/MARS">MARS</a>
24 /// \since Crypto++ 3.0
25 class MARS : public MARS_Info, public BlockCipherDocumentation
26 {
27 class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<MARS_Info>
28 {
29 public:
30 void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &params);
31
32 protected:
33 static const word32 Sbox[512];
34
35 FixedSizeSecBlock<word32, 40> m_k;
36 };
37
38 class CRYPTOPP_NO_VTABLE Enc : public Base
39 {
40 public:
41 void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
42 };
43
44 class CRYPTOPP_NO_VTABLE Dec : public Base
45 {
46 public:
47 void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
48 };
49
50 public:
51 typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
52 typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
53 };
54
55 typedef MARS::Encryption MARSEncryption;
56 typedef MARS::Decryption MARSDecryption;
57
58 NAMESPACE_END
59
60 #endif
BlockCipherDocumentation
Provides Encryption and Decryption typedefs used by derived classes to implement a block cipher...
Definition: seckey.h:398
secblock.h
Classes and functions for secure memory allocations.
FixedBlockSize
Inherited by algorithms with fixed block size.
Definition: seckey.h:40
seckey.h
Classes and functions for implementing secret key algorithms.
BlockCipherFinal< ENCRYPTION, Enc >
FixedSizeSecBlock< word32, 40 >
MARS_Info
MARS block cipher information.
Definition: mars.h:17
VariableKeyLength
Inherited by keyed algorithms with variable key length.
Definition: seckey.h:165
BlockCipherImpl
Provides a base implementation of Algorithm and SimpleKeyingInterface for block ciphers.
Definition: seckey.h:305
CryptoPP
Crypto++ library namespace.
MARS
MARS block cipher.
Definition: mars.h:25
NameValuePairs
Interface for retrieving values given their names.
Definition: cryptlib.h:321