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Diffstat (limited to 'CryptoPP/rc5.h')
-rw-r--r-- | CryptoPP/rc5.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/CryptoPP/rc5.h b/CryptoPP/rc5.h new file mode 100644 index 000000000..f842a9bdf --- /dev/null +++ b/CryptoPP/rc5.h @@ -0,0 +1,54 @@ +#ifndef CRYPTOPP_RC5_H +#define CRYPTOPP_RC5_H + +/** \file +*/ + +#include "seckey.h" +#include "secblock.h" + +NAMESPACE_BEGIN(CryptoPP) + +//! _ +struct RC5_Info : public FixedBlockSize<8>, public VariableKeyLength<16, 0, 255>, public VariableRounds<16> +{ + static const char *StaticAlgorithmName() {return "RC5";} + typedef word32 RC5_WORD; +}; + +/// <a href="http://www.weidai.com/scan-mirror/cs.html#RC5">RC5</a> +class RC5 : public RC5_Info, public BlockCipherDocumentation +{ + class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<RC5_Info> + { + public: + void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms); + + protected: + unsigned int r; // number of rounds + SecBlock<RC5_WORD> sTable; // expanded key table + }; + + 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 RC5::Encryption RC5Encryption; +typedef RC5::Decryption RC5Decryption; + +NAMESPACE_END + +#endif |