Crypto++ 8.5 Free C++ class library of cryptographic schemes

camellia.h
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1 // camellia.h - originally written and placed in the public domain by Wei Dai
2
3 /// \file camellia.h
4 /// \brief Classes for the Camellia block cipher
5
6 #ifndef CRYPTOPP_CAMELLIA_H
7 #define CRYPTOPP_CAMELLIA_H
8
9 #include "config.h"
10 #include "seckey.h"
11 #include "secblock.h"
12
13 NAMESPACE_BEGIN(CryptoPP)
14
15 /// \brief Camellia block cipher information
16 struct Camellia_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 16, 32, 8>
17 {
18 CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "Camellia";}
19 };
20
21 /// \brief Camellia block cipher
22 /// \sa <a href="http://www.cryptopp.com/wiki/Camellia">Camellia</a>
23 class Camellia : public Camellia_Info, public BlockCipherDocumentation
24 {
25 class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<Camellia_Info>
26 {
27 public:
28 void UncheckedSetKey(const byte *key, unsigned int keylen, const NameValuePairs &params);
29 void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
30
31 protected:
32 CRYPTOPP_ALIGN_DATA(4) static const byte s1[256];
33 static const word32 SP[4][256];
34
35 unsigned int m_rounds;
36 SecBlock<word32> m_key;
37 };
38
39 public:
40 typedef BlockCipherFinal<ENCRYPTION, Base> Encryption;
41 typedef BlockCipherFinal<DECRYPTION, Base> Decryption;
42 };
43
44 typedef Camellia::Encryption CamelliaEncryption;
45 typedef Camellia::Decryption CamelliaDecryption;
46
47 NAMESPACE_END
48
49 #endif
secblock.h
Classes and functions for secure memory allocations.
word32
unsigned int word32
32-bit unsigned datatype
Definition: config_int.h:62
FixedBlockSize
Inherited by algorithms with fixed block size.
Definition: seckey.h:40
BlockCipherImpl
Provides a base implementation of Algorithm and SimpleKeyingInterface for block ciphers.
Definition: seckey.h:305
Camellia
Camellia block cipher.
Definition: camellia.h:23
BlockCipherDocumentation
Provides Encryption and Decryption typedefs used by derived classes to implement a block cipher.
Definition: seckey.h:398
seckey.h
Classes and functions for implementing secret key algorithms.
BlockCipherFinal
Provides class member functions to key a block cipher.
Definition: seckey.h:317
CryptoPP
Crypto++ library namespace.
config.h
Library configuration file.
Camellia_Info
Camellia block cipher information.
Definition: camellia.h:16
SecBlock< word32 >
NameValuePairs
Interface for retrieving values given their names.
Definition: cryptlib.h:321
VariableKeyLength
Inherited by keyed algorithms with variable key length.
Definition: seckey.h:165