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1 files changed, 45 insertions, 0 deletions

diff --git a/blowfish.h b/blowfish.h
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+++ b/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 Base : public BlockCipherBaseTemplate<Blowfish_Info>
+	{
+	public:
+		void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
+		void UncheckedSetKey(CipherDir direction, const byte *key_string, unsigned int keylength);
+
+	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 BlockCipherTemplate<ENCRYPTION, Base> Encryption;
+	typedef BlockCipherTemplate<DECRYPTION, Base> Decryption;
+};
+
+typedef Blowfish::Encryption BlowfishEncryption;
+typedef Blowfish::Decryption BlowfishDecryption;
+
+NAMESPACE_END
+
+#endif