mirror of
https://github.com/shadps4-emu/ext-cryptopp.git
synced 2024-11-27 20:00:34 +00:00
53 lines
1.8 KiB
C++
53 lines
1.8 KiB
C++
// sosemanuk.h - written and placed in the public domain by Wei Dai
|
|
|
|
//! \file sosemanuk.h
|
|
//! \brief Classes for Sosemanuk stream cipher
|
|
|
|
#ifndef CRYPTOPP_SOSEMANUK_H
|
|
#define CRYPTOPP_SOSEMANUK_H
|
|
|
|
#include "strciphr.h"
|
|
#include "secblock.h"
|
|
|
|
// Clang due to "Inline assembly operands don't work with .intel_syntax"
|
|
// https://llvm.org/bugs/show_bug.cgi?id=24232
|
|
#if CRYPTOPP_BOOL_X32 || defined(CRYPTOPP_DISABLE_INTEL_ASM)
|
|
# define CRYPTOPP_DISABLE_SOSEMANUK_ASM
|
|
#endif
|
|
|
|
NAMESPACE_BEGIN(CryptoPP)
|
|
|
|
//! algorithm info
|
|
struct SosemanukInfo : public VariableKeyLength<16, 1, 32, 1, SimpleKeyingInterface::UNIQUE_IV, 16>
|
|
{
|
|
static const char * StaticAlgorithmName() {return "Sosemanuk";}
|
|
};
|
|
|
|
//! _
|
|
class SosemanukPolicy : public AdditiveCipherConcretePolicy<word32, 20>, public SosemanukInfo
|
|
{
|
|
protected:
|
|
void CipherSetKey(const NameValuePairs ¶ms, const byte *key, size_t length);
|
|
void OperateKeystream(KeystreamOperation operation, byte *output, const byte *input, size_t iterationCount);
|
|
void CipherResynchronize(byte *keystreamBuffer, const byte *iv, size_t length);
|
|
bool CipherIsRandomAccess() const {return false;}
|
|
#if (CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X32 || CRYPTOPP_BOOL_X64) && !defined(CRYPTOPP_DISABLE_SOSEMANUK_ASM)
|
|
unsigned int GetAlignment() const;
|
|
unsigned int GetOptimalBlockSize() const;
|
|
#endif
|
|
|
|
FixedSizeSecBlock<word32, 25*4> m_key;
|
|
FixedSizeAlignedSecBlock<word32, 12> m_state;
|
|
};
|
|
|
|
//! <a href="http://www.cryptolounge.org/wiki/Sosemanuk">Sosemanuk</a>
|
|
struct Sosemanuk : public SosemanukInfo, public SymmetricCipherDocumentation
|
|
{
|
|
typedef SymmetricCipherFinal<ConcretePolicyHolder<SosemanukPolicy, AdditiveCipherTemplate<> >, SosemanukInfo> Encryption;
|
|
typedef Encryption Decryption;
|
|
};
|
|
|
|
NAMESPACE_END
|
|
|
|
#endif
|