/usr/include/crypto++/gost.h is in libcrypto++-dev 5.6.1-9.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 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 volatile 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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