1#ifndef CRYPTOPP_SHACAL2_H
2#define CRYPTOPP_SHACAL2_H
3
4/** \file
5*/
6
7#include "seckey.h"
8#include "secblock.h"
9
10NAMESPACE_BEGIN(CryptoPP)
11
12//! _
13struct SHACAL2_Info : public FixedBlockSize<32>, public VariableKeyLength<16, 16, 64>
14{
15	static const char *StaticAlgorithmName() {return "SHACAL-2";}
16};
17
18/// <a href="http://www.weidai.com/scan-mirror/cs.html#SHACAL-2">SHACAL-2</a>
19class SHACAL2 : public SHACAL2_Info, public BlockCipherDocumentation
20{
21	class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<SHACAL2_Info>
22	{
23	public:
24		void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &params);
25
26	protected:
27		FixedSizeSecBlock<word32, 64> m_key;
28
29		static const word32 K[64];
30	};
31
32	class CRYPTOPP_NO_VTABLE Enc : public Base
33	{
34	public:
35		void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
36	};
37
38	class CRYPTOPP_NO_VTABLE Dec : public Base
39	{
40	public:
41		void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
42	};
43
44public:
45	typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
46	typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
47};
48
49typedef SHACAL2::Encryption SHACAL2Encryption;
50typedef SHACAL2::Decryption SHACAL2Decryption;
51
52NAMESPACE_END
53
54#endif
55