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Diffstat (limited to '')
-rw-r--r-- | CryptoPP/arc4.h | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/CryptoPP/arc4.h b/CryptoPP/arc4.h deleted file mode 100644 index 9dcc92efd..000000000 --- a/CryptoPP/arc4.h +++ /dev/null @@ -1,71 +0,0 @@ -#ifndef CRYPTOPP_ARC4_H -#define CRYPTOPP_ARC4_H - -#include "strciphr.h" - -NAMESPACE_BEGIN(CryptoPP) - -namespace Weak1 { - -//! _ -class CRYPTOPP_NO_VTABLE ARC4_Base : public VariableKeyLength<16, 1, 256>, public RandomNumberGenerator, public SymmetricCipher, public SymmetricCipherDocumentation -{ -public: - ~ARC4_Base(); - - static const char *StaticAlgorithmName() {return "ARC4";} - - void GenerateBlock(byte *output, size_t size); - void DiscardBytes(size_t n); - - void ProcessData(byte *outString, const byte *inString, size_t length); - - bool IsRandomAccess() const {return false;} - bool IsSelfInverting() const {return true;} - bool IsForwardTransformation() const {return true;} - - typedef SymmetricCipherFinal<ARC4_Base> Encryption; - typedef SymmetricCipherFinal<ARC4_Base> Decryption; - -protected: - void UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs ¶ms); - virtual unsigned int GetDefaultDiscardBytes() const {return 0;} - - FixedSizeSecBlock<byte, 256> m_state; - byte m_x, m_y; -}; - -//! <a href="http://www.weidai.com/scan-mirror/cs.html#RC4">Alleged RC4</a> -DOCUMENTED_TYPEDEF(SymmetricCipherFinal<ARC4_Base>, ARC4) - -//! _ -class CRYPTOPP_NO_VTABLE MARC4_Base : public ARC4_Base -{ -public: - static const char *StaticAlgorithmName() {return "MARC4";} - - typedef SymmetricCipherFinal<MARC4_Base> Encryption; - typedef SymmetricCipherFinal<MARC4_Base> Decryption; - -protected: - unsigned int GetDefaultDiscardBytes() const {return 256;} -}; - -//! Modified ARC4: it discards the first 256 bytes of keystream which may be weaker than the rest -DOCUMENTED_TYPEDEF(SymmetricCipherFinal<MARC4_Base>, MARC4) - -} -#if CRYPTOPP_ENABLE_NAMESPACE_WEAK >= 1 -namespace Weak {using namespace Weak1;} // import Weak1 into CryptoPP::Weak -#else -using namespace Weak1; // import Weak1 into CryptoPP with warning -#ifdef __GNUC__ -#warning "You may be using a weak algorithm that has been retained for backwards compatibility. Please '#define CRYPTOPP_ENABLE_NAMESPACE_WEAK 1' before including this .h file and prepend the class name with 'Weak::' to remove this warning." -#else -#pragma message("You may be using a weak algorithm that has been retained for backwards compatibility. Please '#define CRYPTOPP_ENABLE_NAMESPACE_WEAK 1' before including this .h file and prepend the class name with 'Weak::' to remove this warning.") -#endif -#endif - -NAMESPACE_END - -#endif |