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 ¶ms); + + 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 -- cgit v1.2.3