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-rw-r--r--CryptoPP/skipjack.h61
1 files changed, 61 insertions, 0 deletions
diff --git a/CryptoPP/skipjack.h b/CryptoPP/skipjack.h
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+++ b/CryptoPP/skipjack.h
@@ -0,0 +1,61 @@
+#ifndef CRYPTOPP_SKIPJACK_H
+#define CRYPTOPP_SKIPJACK_H
+
+/** \file
+*/
+
+#include "seckey.h"
+#include "secblock.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+//! _
+struct SKIPJACK_Info : public FixedBlockSize<8>, public FixedKeyLength<10>
+{
+ CRYPTOPP_DLL static const char * CRYPTOPP_API StaticAlgorithmName() {return "SKIPJACK";}
+};
+
+/// <a href="http://www.weidai.com/scan-mirror/cs.html#SKIPJACK">SKIPJACK</a>
+class SKIPJACK : public SKIPJACK_Info, public BlockCipherDocumentation
+{
+ class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<SKIPJACK_Info>
+ {
+ public:
+ void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &params);
+ unsigned int OptimalDataAlignment() const {return GetAlignmentOf<word16>();}
+
+ protected:
+ static const byte fTable[256];
+
+ FixedSizeSecBlock<byte, 10*256> tab;
+ };
+
+ class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Enc : public Base
+ {
+ public:
+ void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
+ private:
+ static const byte Se[256];
+ static const word32 Te[4][256];
+ };
+
+ class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Dec : public Base
+ {
+ public:
+ void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
+ private:
+ static const byte Sd[256];
+ static const word32 Td[4][256];
+ };
+
+public:
+ typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
+ typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
+};
+
+typedef SKIPJACK::Encryption SKIPJACKEncryption;
+typedef SKIPJACK::Decryption SKIPJACKDecryption;
+
+NAMESPACE_END
+
+#endif