/usr/include/crypto++/3way.h is in libcrypto++-dev 5.6.4-8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 60 61 62 63 64 65 66 67 68 | // 3way.h - written and placed in the public domain by Wei Dai
//! \file 3way.h
//! \brief Classes for the 3-Way block cipher
#ifndef CRYPTOPP_THREEWAY_H
#define CRYPTOPP_THREEWAY_H
#include "config.h"
#include "seckey.h"
#include "secblock.h"
NAMESPACE_BEGIN(CryptoPP)
//! \class ThreeWay_Info
//! \brief ThreeWay block cipher information
struct ThreeWay_Info : public FixedBlockSize<12>, public FixedKeyLength<12>, public VariableRounds<11>
{
CRYPTOPP_CONSTEXPR static const char *StaticAlgorithmName() {return "3-Way";}
};
//! \class ThreeWay
//! \brief ThreeWay block cipher
//! \sa <a href="http://www.weidai.com/scan-mirror/cs.html#3-Way">3-Way</a>
class ThreeWay : public ThreeWay_Info, public BlockCipherDocumentation
{
//! \class Base
//! \brief Class specific implementation and overrides used to operate the cipher.
//! \details Implementations and overrides in \p Base apply to both \p ENCRYPTION and \p DECRYPTION directions
class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<ThreeWay_Info>
{
public:
void UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs ¶ms);
protected:
unsigned int m_rounds;
FixedSizeSecBlock<word32, 3> m_k;
};
//! \class Enc
//! \brief Class specific methods used to operate the cipher in the forward direction.
//! \details Implementations and overrides in \p Enc apply to \p ENCRYPTION.
class CRYPTOPP_NO_VTABLE Enc : public Base
{
public:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
};
//! \class Dec
//! \brief Class specific methods used to operate the cipher in the reverse direction.
//! \details Implementations and overrides in \p Dec apply to \p DECRYPTION.
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 ThreeWay::Encryption ThreeWayEncryption;
typedef ThreeWay::Decryption ThreeWayDecryption;
NAMESPACE_END
#endif
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