From b21162cf8e06f40baa1f58be6a8c17435cebc34d Mon Sep 17 00:00:00 2001
From: weidai <weidai@57ff6487-cd31-0410-9ec3-f628ee90f5f0>
Date: Fri, 4 Oct 2002 17:31:41 +0000
Subject: Initial revision

git-svn-id: svn://svn.code.sf.net/p/cryptopp/code/trunk/c5@2 57ff6487-cd31-0410-9ec3-f628ee90f5f0
---
 blowfish.h | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 blowfish.h

(limited to 'blowfish.h')

diff --git a/blowfish.h b/blowfish.h
new file mode 100644
index 0000000..1ca2c20
--- /dev/null
+++ b/blowfish.h
@@ -0,0 +1,45 @@
+#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
-- 
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