diff options
| author | Jeffrey Walton <noloader@gmail.com> | 2015-11-05 01:59:46 -0500 |
|---|---|---|
| committer | Jeffrey Walton <noloader@gmail.com> | 2015-11-05 01:59:46 -0500 |
| commit | 48809d4e85c125814425c621d8d0d89f95405924 (patch) | |
| tree | 1010fd16c4b1199f3d27dd726dda241a2bd29f83 /rc2.h | |
| parent | 025337a94aceb75d188149db70c2094673772816 (diff) | |
| download | cryptopp-git-48809d4e85c125814425c621d8d0d89f95405924.tar.gz | |
CRYPTOPP 5.6.3 RC6 checkin
Diffstat (limited to 'rc2.h')
| -rw-r--r-- | rc2.h | 146 |
1 files changed, 73 insertions, 73 deletions
@@ -1,73 +1,73 @@ -#ifndef CRYPTOPP_RC2_H -#define CRYPTOPP_RC2_H - -/** \file -*/ - -#include "seckey.h" -#include "secblock.h" -#include "algparam.h" - -NAMESPACE_BEGIN(CryptoPP) - -//! _ -struct RC2_Info : public FixedBlockSize<8>, public VariableKeyLength<16, 1, 128> -{ - CRYPTOPP_CONSTANT(DEFAULT_EFFECTIVE_KEYLENGTH = 1024) - CRYPTOPP_CONSTANT(MAX_EFFECTIVE_KEYLENGTH = 1024) - static const char *StaticAlgorithmName() {return "RC2";} -}; - -/// <a href="http://www.weidai.com/scan-mirror/cs.html#RC2">RC2</a> -class RC2 : public RC2_Info, public BlockCipherDocumentation -{ - class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<RC2_Info> - { - public: - void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms); - unsigned int OptimalDataAlignment() const {return GetAlignmentOf<word16>();} - - protected: - FixedSizeSecBlock<word16, 64> K; // 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: - class Encryption : public BlockCipherFinal<ENCRYPTION, Enc> - { - public: - Encryption() {} - Encryption(const byte *key, size_t keyLen=DEFAULT_KEYLENGTH) - {SetKey(key, keyLen);} - Encryption(const byte *key, size_t keyLen, int effectiveKeyLen) - {SetKey(key, keyLen, MakeParameters("EffectiveKeyLength", effectiveKeyLen));} - }; - - class Decryption : public BlockCipherFinal<DECRYPTION, Dec> - { - public: - Decryption() {} - Decryption(const byte *key, size_t keyLen=DEFAULT_KEYLENGTH) - {SetKey(key, keyLen);} - Decryption(const byte *key, size_t keyLen, int effectiveKeyLen) - {SetKey(key, keyLen, MakeParameters("EffectiveKeyLength", effectiveKeyLen));} - }; -}; - -typedef RC2::Encryption RC2Encryption; -typedef RC2::Decryption RC2Decryption; - -NAMESPACE_END - -#endif +#ifndef CRYPTOPP_RC2_H
+#define CRYPTOPP_RC2_H
+
+/** \file
+*/
+
+#include "seckey.h"
+#include "secblock.h"
+#include "algparam.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+//! _
+struct RC2_Info : public FixedBlockSize<8>, public VariableKeyLength<16, 1, 128>
+{
+ CRYPTOPP_CONSTANT(DEFAULT_EFFECTIVE_KEYLENGTH = 1024)
+ CRYPTOPP_CONSTANT(MAX_EFFECTIVE_KEYLENGTH = 1024)
+ static const char *StaticAlgorithmName() {return "RC2";}
+};
+
+/// <a href="http://www.weidai.com/scan-mirror/cs.html#RC2">RC2</a>
+class RC2 : public RC2_Info, public BlockCipherDocumentation
+{
+ class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<RC2_Info>
+ {
+ public:
+ void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms);
+ unsigned int OptimalDataAlignment() const {return GetAlignmentOf<word16>();}
+
+ protected:
+ FixedSizeSecBlock<word16, 64> K; // 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:
+ class Encryption : public BlockCipherFinal<ENCRYPTION, Enc>
+ {
+ public:
+ Encryption() {}
+ Encryption(const byte *key, size_t keyLen=DEFAULT_KEYLENGTH)
+ {SetKey(key, keyLen);}
+ Encryption(const byte *key, size_t keyLen, int effectiveKeyLen)
+ {SetKey(key, keyLen, MakeParameters("EffectiveKeyLength", effectiveKeyLen));}
+ };
+
+ class Decryption : public BlockCipherFinal<DECRYPTION, Dec>
+ {
+ public:
+ Decryption() {}
+ Decryption(const byte *key, size_t keyLen=DEFAULT_KEYLENGTH)
+ {SetKey(key, keyLen);}
+ Decryption(const byte *key, size_t keyLen, int effectiveKeyLen)
+ {SetKey(key, keyLen, MakeParameters("EffectiveKeyLength", effectiveKeyLen));}
+ };
+};
+
+typedef RC2::Encryption RC2Encryption;
+typedef RC2::Decryption RC2Decryption;
+
+NAMESPACE_END
+
+#endif
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