/usr/include/crypto++/twofish.h is in libcrypto++-dev 5.6.1-6.
This file is owned by root:root, with mode 0o644.
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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 54 55 56 57 58 59 | #ifndef CRYPTOPP_TWOFISH_H
#define CRYPTOPP_TWOFISH_H
/** \file
*/
#include "seckey.h"
#include "secblock.h"
NAMESPACE_BEGIN(CryptoPP)
//! _
struct Twofish_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 0, 32>, FixedRounds<16>
{
static const char *StaticAlgorithmName() {return "Twofish";}
};
/// <a href="http://www.weidai.com/scan-mirror/cs.html#Twofish">Twofish</a>
class Twofish : public Twofish_Info, public BlockCipherDocumentation
{
class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<Twofish_Info>
{
public:
void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms);
protected:
static word32 h0(word32 x, const word32 *key, unsigned int kLen);
static word32 h(word32 x, const word32 *key, unsigned int kLen);
static const byte q[2][256];
static const word32 mds[4][256];
FixedSizeSecBlock<word32, 40> m_k;
FixedSizeSecBlock<word32, 4*256> m_s;
};
class CRYPTOPP_NO_VTABLE Enc : public Base
{
public:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
};
class CRYPTOPP_NO_VTABLE Dec : public Base
{
public:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
};
public:
typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
};
typedef Twofish::Encryption TwofishEncryption;
typedef Twofish::Decryption TwofishDecryption;
NAMESPACE_END
#endif
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