You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
56 lines
1.4 KiB
56 lines
1.4 KiB
// rc6.h - written and placed in the public domain by Wei Dai
|
|
|
|
//! \file rc6.h
|
|
//! \brief Classes for the RC6 block cipher
|
|
|
|
#ifndef CRYPTOPP_RC6_H
|
|
#define CRYPTOPP_RC6_H
|
|
|
|
#include "seckey.h"
|
|
#include "secblock.h"
|
|
|
|
NAMESPACE_BEGIN(CryptoPP)
|
|
|
|
//! _
|
|
struct RC6_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 0, 255>, public VariableRounds<20>
|
|
{
|
|
static const char *StaticAlgorithmName() {return "RC6";}
|
|
typedef word32 RC6_WORD;
|
|
};
|
|
|
|
/// <a href="http://www.weidai.com/scan-mirror/cs.html#RC6">RC6</a>
|
|
class RC6 : public RC6_Info, public BlockCipherDocumentation
|
|
{
|
|
class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<RC6_Info>
|
|
{
|
|
public:
|
|
void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms);
|
|
|
|
protected:
|
|
unsigned int r; // number of rounds
|
|
SecBlock<RC6_WORD> sTable; // expanded key table
|
|
};
|
|
|
|
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 RC6::Encryption RC6Encryption;
|
|
typedef RC6::Decryption RC6Decryption;
|
|
|
|
NAMESPACE_END
|
|
|
|
#endif
|