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-rw-r--r--CryptoPP/lubyrack.h141
1 files changed, 0 insertions, 141 deletions
diff --git a/CryptoPP/lubyrack.h b/CryptoPP/lubyrack.h
deleted file mode 100644
index e8fd2f748..000000000
--- a/CryptoPP/lubyrack.h
+++ /dev/null
@@ -1,141 +0,0 @@
-// lubyrack.h - written and placed in the public domain by Wei Dai
-
-#ifndef CRYPTOPP_LUBYRACK_H
-#define CRYPTOPP_LUBYRACK_H
-
-/** \file */
-
-#include "simple.h"
-#include "secblock.h"
-
-NAMESPACE_BEGIN(CryptoPP)
-
-template <class T> struct DigestSizeDoubleWorkaround // VC60 workaround
-{
- CRYPTOPP_CONSTANT(RESULT = 2*T::DIGESTSIZE)
-};
-
-//! algorithm info
-template <class T>
-struct LR_Info : public VariableKeyLength<16, 0, 2*(INT_MAX/2), 2>, public FixedBlockSize<DigestSizeDoubleWorkaround<T>::RESULT>
-{
- static std::string StaticAlgorithmName() {return std::string("LR/")+T::StaticAlgorithmName();}
-};
-
-//! Luby-Rackoff
-template <class T>
-class LR : public LR_Info<T>, public BlockCipherDocumentation
-{
- class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<LR_Info<T> >
- {
- public:
- // VC60 workaround: have to define these functions within class definition
- void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &params)
- {
- this->AssertValidKeyLength(length);
-
- L = length/2;
- buffer.New(2*S);
- digest.New(S);
- key.Assign(userKey, 2*L);
- }
-
- protected:
- CRYPTOPP_CONSTANT(S=T::DIGESTSIZE)
- unsigned int L; // key length / 2
- SecByteBlock key;
-
- mutable T hm;
- mutable SecByteBlock buffer, digest;
- };
-
- class CRYPTOPP_NO_VTABLE Enc : public Base
- {
- public:
-
-#define KL this->key
-#define KR this->key+this->L
-#define BL this->buffer
-#define BR this->buffer+this->S
-#define IL inBlock
-#define IR inBlock+this->S
-#define OL outBlock
-#define OR outBlock+this->S
-
- void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const
- {
- this->hm.Update(KL, this->L);
- this->hm.Update(IL, this->S);
- this->hm.Final(BR);
- xorbuf(BR, IR, this->S);
-
- this->hm.Update(KR, this->L);
- this->hm.Update(BR, this->S);
- this->hm.Final(BL);
- xorbuf(BL, IL, this->S);
-
- this->hm.Update(KL, this->L);
- this->hm.Update(BL, this->S);
- this->hm.Final(this->digest);
- xorbuf(BR, this->digest, this->S);
-
- this->hm.Update(KR, this->L);
- this->hm.Update(OR, this->S);
- this->hm.Final(this->digest);
- xorbuf(BL, this->digest, this->S);
-
- if (xorBlock)
- xorbuf(outBlock, xorBlock, this->buffer, 2*this->S);
- else
- memcpy_s(outBlock, 2*this->S, this->buffer, 2*this->S);
- }
- };
-
- class CRYPTOPP_NO_VTABLE Dec : public Base
- {
- public:
- void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const
- {
- this->hm.Update(KR, this->L);
- this->hm.Update(IR, this->S);
- this->hm.Final(BL);
- xorbuf(BL, IL, this->S);
-
- this->hm.Update(KL, this->L);
- this->hm.Update(BL, this->S);
- this->hm.Final(BR);
- xorbuf(BR, IR, this->S);
-
- this->hm.Update(KR, this->L);
- this->hm.Update(BR, this->S);
- this->hm.Final(this->digest);
- xorbuf(BL, this->digest, this->S);
-
- this->hm.Update(KL, this->L);
- this->hm.Update(OL, this->S);
- this->hm.Final(this->digest);
- xorbuf(BR, this->digest, this->S);
-
- if (xorBlock)
- xorbuf(outBlock, xorBlock, this->buffer, 2*this->S);
- else
- memcpy(outBlock, this->buffer, 2*this->S);
- }
-#undef KL
-#undef KR
-#undef BL
-#undef BR
-#undef IL
-#undef IR
-#undef OL
-#undef OR
- };
-
-public:
- typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
- typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
-};
-
-NAMESPACE_END
-
-#endif