From 48540940b6c28bb4378abfeb500ec45a625b37b6 Mon Sep 17 00:00:00 2001
From: Vadim Dashevskiy <watcherhd@gmail.com>
Date: Tue, 15 May 2012 10:38:20 +0000
Subject: initial commit

git-svn-id: http://svn.miranda-ng.org/main/trunk@2 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
---
 plugins/CryptoPP/crypto/gost.h | 58 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 plugins/CryptoPP/crypto/gost.h

(limited to 'plugins/CryptoPP/crypto/gost.h')

diff --git a/plugins/CryptoPP/crypto/gost.h b/plugins/CryptoPP/crypto/gost.h
new file mode 100644
index 0000000000..a919120b62
--- /dev/null
+++ b/plugins/CryptoPP/crypto/gost.h
@@ -0,0 +1,58 @@
+#ifndef CRYPTOPP_GOST_H
+#define CRYPTOPP_GOST_H
+
+/** \file
+*/
+
+#include "seckey.h"
+#include "secblock.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+//! _
+struct GOST_Info : public FixedBlockSize<8>, public FixedKeyLength<32>
+{
+	static const char *StaticAlgorithmName() {return "GOST";}
+};
+
+/// <a href="http://www.weidai.com/scan-mirror/cs.html#GOST">GOST</a>
+class GOST : public GOST_Info, public BlockCipherDocumentation
+{
+	class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<GOST_Info>
+	{
+	public:
+		void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &params);
+
+	protected:
+		static void PrecalculateSTable();
+
+		static const byte sBox[8][16];
+		static bool sTableCalculated;
+		static word32 sTable[4][256];
+
+		FixedSizeSecBlock<word32, 8> key;
+	};
+
+	class CRYPTOPP_NO_VTABLE Enc : public Base
+	{
+	public:
+		void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
+	};
+
+	class CRYPTOPP_NO_VTABLE Dec : public Base
+	{
+	public:
+		void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
+	};
+
+public:
+	typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
+	typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
+};
+
+typedef GOST::Encryption GOSTEncryption;
+typedef GOST::Decryption GOSTDecryption;
+
+NAMESPACE_END
+
+#endif
-- 
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