summaryrefslogtreecommitdiff
path: root/shacal2.h
blob: 8208760e0d8db7b5e43a56170984a19e54484c4d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
#ifndef CRYPTOPP_SHACAL2_H
#define CRYPTOPP_SHACAL2_H

/** \file
*/

#include "seckey.h"
#include "secblock.h"

NAMESPACE_BEGIN(CryptoPP)

struct SHACAL2_Info : public FixedBlockSize<32>, public VariableKeyLength<16, 16, 64>
{
	static const char *StaticAlgorithmName() {return "SHACAL-2";}
};

/// <a href="http://www.weidai.com/scan-mirror/cs.html#SHACAL-2">SHACAL-2</a>
class SHACAL2 : public SHACAL2_Info, public BlockCipherDocumentation
{
	class Base : public BlockCipherBaseTemplate<SHACAL2_Info>
	{
	public:
		void UncheckedSetKey(CipherDir direction, const byte *userKey, unsigned int length);

	protected:
		FixedSizeSecBlock<word32, 64> m_key;

		static const word32 K[64];
	};

	class Enc : public Base
	{
	public:
		void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
	};

	class Dec : public Base
	{
	public:
		void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
	};

public:
	typedef BlockCipherTemplate<ENCRYPTION, Enc> Encryption;
	typedef BlockCipherTemplate<DECRYPTION, Dec> Decryption;
};

typedef SHACAL2::Encryption SHACAL2Encryption;
typedef SHACAL2::Decryption SHACAL2Decryption;

NAMESPACE_END

#endif