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Diffstat (limited to 'CryptoPP/blowfish.h')
-rw-r--r-- | CryptoPP/blowfish.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/CryptoPP/blowfish.h b/CryptoPP/blowfish.h new file mode 100644 index 000000000..4707ce192 --- /dev/null +++ b/CryptoPP/blowfish.h @@ -0,0 +1,46 @@ +#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 ¶ms); + + 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 |