1#ifndef CRYPTOPP_RIJNDAEL_H
2#define CRYPTOPP_RIJNDAEL_H
3
4/** \file
5*/
6
7#include "seckey.h"
8#include "secblock.h"
9
10NAMESPACE_BEGIN(CryptoPP)
11
12//! _
13struct Rijndael_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 16, 32, 8>
14{
15	CRYPTOPP_DLL static const char * CRYPTOPP_API StaticAlgorithmName() {return CRYPTOPP_RIJNDAEL_NAME;}
16};
17
18/// <a href="http://www.weidai.com/scan-mirror/cs.html#Rijndael">Rijndael</a>
19class CRYPTOPP_DLL Rijndael : public Rijndael_Info, public BlockCipherDocumentation
20{
21	class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<Rijndael_Info>
22	{
23	public:
24		void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &params);
25
26	protected:
27		static void FillEncTable();
28		static void FillDecTable();
29
30		// VS2005 workaround: have to put these on seperate lines, or error C2487 is triggered in DLL build
31		static const byte Se[256];
32		static const byte Sd[256];
33
34		static const word32 rcon[];
35
36		unsigned int m_rounds;
37		FixedSizeAlignedSecBlock<word32, 4*15> m_key;
38	};
39
40	class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Enc : public Base
41	{
42	public:
43		void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
44#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE || defined(CRYPTOPP_X64_MASM_AVAILABLE)
45		size_t AdvancedProcessBlocks(const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags) const;
46#endif
47	};
48
49	class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Dec : public Base
50	{
51	public:
52		void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
53	};
54
55public:
56	typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
57	typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
58};
59
60typedef Rijndael::Encryption RijndaelEncryption;
61typedef Rijndael::Decryption RijndaelDecryption;
62
63NAMESPACE_END
64
65#endif
66