Crypto++ 8.9 Free C++ class library of cryptographic schemes

shacal2.h
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1 // shacal.h - originally written and placed in the public domain by Wei Dai
2
3 /// \file shacal2.h
4 /// \brief Classes for the SHACAL-2 block cipher
5 /// \since Crypto++ 5.2, Intel SHA since Crypto++ 6.0
6
7 #ifndef CRYPTOPP_SHACAL2_H
8 #define CRYPTOPP_SHACAL2_H
9
10 #include "seckey.h"
11 #include "secblock.h"
12
13 NAMESPACE_BEGIN(CryptoPP)
14
15 /// \brief SHACAL2 block cipher information
16 struct SHACAL2_Info : public FixedBlockSize<32>, public VariableKeyLength<16, 16, 64>
17 {
18 CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "SHACAL-2";}
19 };
20
21 /// \brief SHACAL2 block cipher
22 /// \since Crypto++ 5.2, Intel SHA since Crypto++ 6.0
23 /// \sa <a href="http://www.cryptopp.com/wiki/SHACAL-2">SHACAL-2</a>
24 class SHACAL2 : public SHACAL2_Info, public BlockCipherDocumentation
25 {
26 /// \brief SHACAL2 block cipher transformation functions
27 /// \details Provides implementation common to encryption and decryption
28 class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<SHACAL2_Info>
29 {
30 public:
31 std::string AlgorithmProvider() const;
32 void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &params);
33
34 protected:
35 FixedSizeAlignedSecBlock<word32, 64> m_key;
36
37 static const word32 K[64];
38 };
39
40 /// \brief SHACAL2 block cipher transformation functions
41 /// \details Encryption transformation
42 class CRYPTOPP_NO_VTABLE Enc : public Base
43 {
44 public:
45 void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
46 };
47
48 /// \brief SHACAL2 block cipher transformation functions
49 /// \details Decryption transformation
50 class CRYPTOPP_NO_VTABLE Dec : public Base
51 {
52 public:
53 void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
54 };
55
56 public:
57 typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
58 typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
59 };
60
61 typedef SHACAL2::Encryption SHACAL2Encryption;
62 typedef SHACAL2::Decryption SHACAL2Decryption;
63
64 NAMESPACE_END
65
66 #endif
BlockCipherFinal< ENCRYPTION, Enc >
BlockCipher
Interface for one direction (encryption or decryption) of a block cipher.
Definition: cryptlib.h:1288
BlockCipherImpl
Provides a base implementation of Algorithm and SimpleKeyingInterface for block ciphers.
Definition: seckey.h:306
FixedBlockSize
Inherited by algorithms with fixed block size.
Definition: seckey.h:41
FixedSizeAlignedSecBlock< word32, 64 >
NameValuePairs
Interface for retrieving values given their names.
Definition: cryptlib.h:327
SHACAL2
SHACAL2 block cipher.
Definition: shacal2.h:25
VariableKeyLength
Inherited by keyed algorithms with variable key length.
Definition: seckey.h:166
word32
unsigned int word32
32-bit unsigned datatype
Definition: config_int.h:72
CryptoPP
Crypto++ library namespace.
secblock.h
Classes and functions for secure memory allocations.
seckey.h
Classes and functions for implementing secret key algorithms.
BlockCipherDocumentation
Provides Encryption and Decryption typedefs used by derived classes to implement a block cipher.
Definition: seckey.h:399
SHACAL2_Info
SHACAL2 block cipher information.
Definition: shacal2.h:17