1#ifndef CRYPTOPP_SOSEMANUK_H
2#define CRYPTOPP_SOSEMANUK_H
3
4#include "strciphr.h"
5
6NAMESPACE_BEGIN(CryptoPP)
7
8//! algorithm info
9struct SosemanukInfo : public VariableKeyLength<16, 1, 32, 1, SimpleKeyingInterface::UNIQUE_IV, 16>
10{
11	static const char * StaticAlgorithmName() {return "Sosemanuk";}
12};
13
14//! _
15class SosemanukPolicy : public AdditiveCipherConcretePolicy<word32, 20>, public SosemanukInfo
16{
17protected:
18	void CipherSetKey(const NameValuePairs &params, const byte *key, size_t length);
19	void OperateKeystream(KeystreamOperation operation, byte *output, const byte *input, size_t iterationCount);
20	void CipherResynchronize(byte *keystreamBuffer, const byte *iv, size_t length);
21	bool CipherIsRandomAccess() const {return false;}
22#if CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X64
23	unsigned int GetAlignment() const;
24	unsigned int GetOptimalBlockSize() const;
25#endif
26
27	FixedSizeSecBlock<word32, 25*4> m_key;
28	FixedSizeAlignedSecBlock<word32, 12> m_state;
29};
30
31//! <a href="http://www.cryptolounge.org/wiki/Sosemanuk">Sosemanuk</a>
32struct Sosemanuk : public SosemanukInfo, public SymmetricCipherDocumentation
33{
34	typedef SymmetricCipherFinal<ConcretePolicyHolder<SosemanukPolicy, AdditiveCipherTemplate<> >, SosemanukInfo> Encryption;
35	typedef Encryption Decryption;
36};
37
38NAMESPACE_END
39
40#endif
41