mirror of
https://github.com/shadps4-emu/ext-cryptopp.git
synced 2024-11-23 18:09:48 +00:00
85 lines
3.0 KiB
C++
85 lines
3.0 KiB
C++
// rijndael.h - written and placed in the public domain by Wei Dai
|
|
|
|
//! \file rijndael.h
|
|
//! \brief Classes for Rijndael encryption algorithm
|
|
//! \details All key sizes are supported. The library only provides Rijndael with 128-bit blocks,
|
|
//! and not 192-bit or 256-bit blocks
|
|
|
|
#ifndef CRYPTOPP_RIJNDAEL_H
|
|
#define CRYPTOPP_RIJNDAEL_H
|
|
|
|
#include "seckey.h"
|
|
#include "secblock.h"
|
|
|
|
// Clang 3.3 integrated assembler crash on Linux
|
|
#if CRYPTOPP_BOOL_X32 || (defined(CRYPTOPP_CLANG_VERSION) && (CRYPTOPP_CLANG_VERSION < 30400))
|
|
# define CRYPTOPP_DISABLE_RIJNDAEL_ASM
|
|
#endif
|
|
|
|
NAMESPACE_BEGIN(CryptoPP)
|
|
|
|
//! \brief Rijndael block cipher information
|
|
struct Rijndael_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 16, 32, 8>
|
|
{
|
|
CRYPTOPP_DLL static const char * CRYPTOPP_API StaticAlgorithmName() {return CRYPTOPP_RIJNDAEL_NAME;}
|
|
};
|
|
|
|
//! \brief Rijndael block cipher implementation details
|
|
//! \sa <a href="http://www.weidai.com/scan-mirror/cs.html#Rijndael">Rijndael</a>
|
|
class CRYPTOPP_DLL Rijndael : public Rijndael_Info, public BlockCipherDocumentation
|
|
{
|
|
//! \brief Rijndael block cipher data processing functionss
|
|
//! \details Provides implementation common to encryption and decryption
|
|
class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<Rijndael_Info>
|
|
{
|
|
public:
|
|
void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms);
|
|
|
|
protected:
|
|
static void FillEncTable();
|
|
static void FillDecTable();
|
|
|
|
// VS2005 workaround: have to put these on seperate lines, or error C2487 is triggered in DLL build
|
|
static const byte Se[256];
|
|
static const byte Sd[256];
|
|
|
|
static const word32 rcon[];
|
|
|
|
unsigned int m_rounds;
|
|
FixedSizeAlignedSecBlock<word32, 4*15> m_key;
|
|
};
|
|
|
|
//! \brief Rijndael block cipher data processing functions
|
|
//! \details Provides implementation for encryption transformation
|
|
class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Enc : public Base
|
|
{
|
|
public:
|
|
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
|
|
#if CRYPTOPP_BOOL_X64 || CRYPTOPP_BOOL_X32 || CRYPTOPP_BOOL_X86
|
|
size_t AdvancedProcessBlocks(const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags) const;
|
|
#endif
|
|
};
|
|
|
|
//! \brief Rijndael block cipher data processing functions
|
|
//! \details Provides implementation for decryption transformation
|
|
class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Dec : public Base
|
|
{
|
|
public:
|
|
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
|
|
#if CRYPTOPP_BOOL_AESNI_INTRINSICS_AVAILABLE
|
|
size_t AdvancedProcessBlocks(const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags) const;
|
|
#endif
|
|
};
|
|
|
|
public:
|
|
typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
|
|
typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
|
|
};
|
|
|
|
typedef Rijndael::Encryption RijndaelEncryption;
|
|
typedef Rijndael::Decryption RijndaelDecryption;
|
|
|
|
NAMESPACE_END
|
|
|
|
#endif
|