mirror of
https://github.com/shadps4-emu/ext-cryptopp.git
synced 2024-11-23 18:09:48 +00:00
9013cb60fb
So it looks like sed added a '\r' between the closing paren and the semi. Grepping for '^;' failed because the '\r' was considered part of the previous line, so it showed no hits. I finally had to write a C program to properly identify and fix those damn stray semicolons.
91 lines
3.1 KiB
C++
91 lines
3.1 KiB
C++
// rc2.h - originally written and placed in the public domain by Wei Dai
|
|
|
|
/// \file rc2.h
|
|
/// \brief Classes for the RC2 block cipher
|
|
/// \since Crypto++ 3.0
|
|
|
|
#ifndef CRYPTOPP_RC2_H
|
|
#define CRYPTOPP_RC2_H
|
|
|
|
#include "seckey.h"
|
|
#include "secblock.h"
|
|
#include "algparam.h"
|
|
|
|
NAMESPACE_BEGIN(CryptoPP)
|
|
|
|
/// \brief RC2 block cipher information
|
|
/// \since Crypto++ 3.0
|
|
struct RC2_Info : public FixedBlockSize<8>, public VariableKeyLength<16, 1, 128>
|
|
{
|
|
CRYPTOPP_CONSTANT(DEFAULT_EFFECTIVE_KEYLENGTH = 1024);
|
|
CRYPTOPP_CONSTANT(MAX_EFFECTIVE_KEYLENGTH = 1024);
|
|
CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "RC2";}
|
|
};
|
|
|
|
/// \brief RC2 block cipher
|
|
/// \sa <a href="http://www.cryptopp.com/wiki/RC2">RC2</a> on the Crypto Lounge.
|
|
/// \since Crypto++ 3.0
|
|
class RC2 : public RC2_Info, public BlockCipherDocumentation
|
|
{
|
|
/// \brief Class specific methods 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<RC2_Info>
|
|
{
|
|
public:
|
|
void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms);
|
|
unsigned int OptimalDataAlignment() const {return GetAlignmentOf<word16>();}
|
|
|
|
protected:
|
|
FixedSizeSecBlock<word16, 64> K; // expanded key table
|
|
};
|
|
|
|
/// \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;
|
|
};
|
|
|
|
/// \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:
|
|
|
|
/// \brief Class specific methods used to operate the cipher in the forward direction.
|
|
/// \details Implementations and overrides in \p Encryption apply to \p ENCRYPTION.
|
|
class Encryption : public BlockCipherFinal<ENCRYPTION, Enc>
|
|
{
|
|
public:
|
|
Encryption() {}
|
|
Encryption(const byte *key, size_t keyLen=DEFAULT_KEYLENGTH)
|
|
{SetKey(key, keyLen);}
|
|
Encryption(const byte *key, size_t keyLen, int effectiveKeyLen)
|
|
{SetKey(key, keyLen, MakeParameters("EffectiveKeyLength", effectiveKeyLen));}
|
|
};
|
|
|
|
/// \brief Class specific methods used to operate the cipher in the reverse direction.
|
|
/// \details Implementations and overrides in \p Decryption apply to \p DECRYPTION.
|
|
class Decryption : public BlockCipherFinal<DECRYPTION, Dec>
|
|
{
|
|
public:
|
|
Decryption() {}
|
|
Decryption(const byte *key, size_t keyLen=DEFAULT_KEYLENGTH)
|
|
{SetKey(key, keyLen);}
|
|
Decryption(const byte *key, size_t keyLen, int effectiveKeyLen)
|
|
{SetKey(key, keyLen, MakeParameters("EffectiveKeyLength", effectiveKeyLen));}
|
|
};
|
|
};
|
|
|
|
typedef RC2::Encryption RC2Encryption;
|
|
typedef RC2::Decryption RC2Decryption;
|
|
|
|
NAMESPACE_END
|
|
|
|
#endif
|