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twofish.h
Go to the documentation of this file.
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#ifndef CRYPTOPP_TWOFISH_H
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#define CRYPTOPP_TWOFISH_H
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/** \file
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*/
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#include "seckey.h"
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#include "secblock.h"
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NAMESPACE_BEGIN(CryptoPP)
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//! _
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struct
Twofish_Info
: public
FixedBlockSize
<16>, public
VariableKeyLength
<16, 0, 32>,
FixedRounds
<16>
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{
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static
const
char
*StaticAlgorithmName() {
return
"Twofish"
;}
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};
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/// <a href="http://www.weidai.com/scan-mirror/cs.html#Twofish">Twofish</a>
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class
Twofish
:
public
Twofish_Info
,
public
BlockCipherDocumentation
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{
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class
CRYPTOPP_NO_VTABLE Base :
public
BlockCipherImpl
<Twofish_Info>
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{
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public
:
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void
UncheckedSetKey(
const
byte *userKey,
unsigned
int
length,
const
NameValuePairs
¶ms);
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protected
:
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static
word32 h0(word32 x,
const
word32 *key,
unsigned
int
kLen);
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static
word32 h(word32 x,
const
word32 *key,
unsigned
int
kLen);
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static
const
byte q[2][256];
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static
const
word32 mds[4][256];
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FixedSizeSecBlock<word32, 40>
m_k;
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FixedSizeSecBlock<word32, 4*256>
m_s;
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};
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class
CRYPTOPP_NO_VTABLE Enc :
public
Base
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{
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public
:
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void
ProcessAndXorBlock(
const
byte *inBlock,
const
byte *xorBlock, byte *outBlock)
const
;
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};
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class
CRYPTOPP_NO_VTABLE Dec :
public
Base
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{
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public
:
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void
ProcessAndXorBlock(
const
byte *inBlock,
const
byte *xorBlock, byte *outBlock)
const
;
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};
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public
:
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typedef
BlockCipherFinal<ENCRYPTION, Enc>
Encryption
;
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typedef
BlockCipherFinal<DECRYPTION, Dec>
Decryption
;
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};
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typedef
Twofish::Encryption
TwofishEncryption
;
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typedef
Twofish::Decryption
TwofishDecryption
;
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NAMESPACE_END
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#endif
Generated on Thu Apr 11 2013 11:32:37 for Crypto++ by
1.8.3.1