From 4ec1f8462de98d1ad83bd69fbc2142ee4beab620 Mon Sep 17 00:00:00 2001
From: weidai <weidai@57ff6487-cd31-0410-9ec3-f628ee90f5f0>
Date: Wed, 16 Apr 2003 00:48:47 +0000
Subject: add new algorithms (Kevin Springle)

git-svn-id: svn://svn.code.sf.net/p/cryptopp/code/trunk/c5@57 57ff6487-cd31-0410-9ec3-f628ee90f5f0
---
 camellia.h | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 camellia.h

(limited to 'camellia.h')

diff --git a/camellia.h b/camellia.h
new file mode 100644
index 0000000..8e15c11
--- /dev/null
+++ b/camellia.h
@@ -0,0 +1,55 @@
+#ifndef CRYPTOPP_CAMELLIA_H
+#define CRYPTOPP_CAMELLIA_H
+
+#include "config.h"
+
+#ifdef WORD64_AVAILABLE
+
+/** \file
+*/
+
+#include "seckey.h"
+#include "secblock.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+struct Camellia_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 16, 32, 8>
+{
+	static const char *StaticAlgorithmName() {return "Camellia";}
+};
+
+/// <a href="http://www.weidai.com/scan-mirror/cs.html#Camellia">Camellia</a>
+class Camellia : public Camellia_Info, public BlockCipherDocumentation
+{
+	class Base : public BlockCipherBaseTemplate<Camellia_Info>
+	{
+	public:
+		void UncheckedSetKey(CipherDir dir, const byte *key, unsigned int keylen);
+		void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
+
+	protected:
+		static word64 F(word64 X);
+		static void FLlayer(word64 *x, word64 K1, word64 K2);
+
+		static const byte s1[256];
+		static const byte s2[256];
+		static const byte s3[256];
+		static const byte s4[256];
+
+		unsigned int m_rounds;
+		SecBlock<word64> m_key;
+	};
+
+public:
+	typedef BlockCipherTemplate<ENCRYPTION, Base> Encryption;
+	typedef BlockCipherTemplate<DECRYPTION, Base> Decryption;
+};
+
+typedef Camellia::Encryption CamelliaEncryption;
+typedef Camellia::Decryption CamelliaDecryption;
+
+NAMESPACE_END
+
+#endif
+
+#endif
-- 
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