blowfish.h
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#ifndef CRYPTOPP_BLOWFISH_H
#define CRYPTOPP_BLOWFISH_H
/** \file */
#include "seckey.h"
#include "secblock.h"
NAMESPACE_BEGIN(CryptoPP)
//! _
struct Blowfish_Info : public FixedBlockSize<8>, public VariableKeyLength<16, 1, 56>, public FixedRounds<16>
{
static const char *StaticAlgorithmName() {return "Blowfish";}
};
//! <a href="http://www.weidai.com/scan-mirror/cs.html#Blowfish">Blowfish</a>
class Blowfish : public Blowfish_Info, public BlockCipherDocumentation
{
class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<Blowfish_Info>
{
public:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
void UncheckedSetKey(const byte *key_string, unsigned int keylength, const NameValuePairs &params);
private:
void crypt_block(const word32 in[2], word32 out[2]) const;
static const word32 p_init[ROUNDS+2];
static const word32 s_init[4*256];
FixedSizeSecBlock<word32, ROUNDS+2> pbox;
FixedSizeSecBlock<word32, 4*256> sbox;
};
public:
typedef BlockCipherFinal<ENCRYPTION, Base> Encryption;
typedef BlockCipherFinal<DECRYPTION, Base> Decryption;
};
typedef Blowfish::Encryption BlowfishEncryption;
typedef Blowfish::Decryption BlowfishDecryption;
NAMESPACE_END
#endif
BlockCipherDocumentation
These objects usually should not be used directly. See CipherModeDocumentation instead.
Definition: seckey.h:188
Blowfish
Blowfish
Definition: blowfish.h:18
FixedBlockSize
to be inherited by block ciphers with fixed block size
Definition: seckey.h:21
BlockCipherFinal
_
Definition: seckey.h:151
Blowfish_Info
_
Definition: blowfish.h:12
FixedSizeSecBlock< word32, ROUNDS+2 >
FixedRounds
to be inherited by ciphers with fixed number of rounds
Definition: seckey.h:31
VariableKeyLength
support query of variable key length, template parameters are default, min, max, multiple (default mu...
Definition: seckey.h:80
BlockCipherImpl
Definition: seckey.h:143
NameValuePairs
interface for retrieving values given their names
Definition: cryptlib.h:224