diff options
Diffstat (limited to '')
| -rw-r--r-- | CryptoPP/wake.cpp | 109 | ||||
| -rw-r--r-- | CryptoPP/wake.h | 63 |
2 files changed, 0 insertions, 172 deletions
diff --git a/CryptoPP/wake.cpp b/CryptoPP/wake.cpp deleted file mode 100644 index c34165b8c..000000000 --- a/CryptoPP/wake.cpp +++ /dev/null @@ -1,109 +0,0 @@ -// wake.cpp - written and placed in the public domain by Wei Dai - -#include "pch.h" -#include "wake.h" - -NAMESPACE_BEGIN(CryptoPP) - -void WAKE_TestInstantiations() -{ - WAKE_OFB<>::Encryption x2; - WAKE_OFB<>::Decryption x4; -} - -inline word32 WAKE_Base::M(word32 x, word32 y) -{ - word32 w = x+y; - return (w>>8) ^ t[w & 0xff]; -} - -void WAKE_Base::GenKey(word32 k0, word32 k1, word32 k2, word32 k3) -{ - // this code is mostly copied from David Wheeler's paper "A Bulk Data Encryption Algorithm" - signed int x, z, p; - // x and z were declared as "long" in Wheeler's paper, which is a signed type. I don't know if that was intentional, but it's too late to change it now. -- Wei 7/4/2010 - CRYPTOPP_COMPILE_ASSERT(sizeof(x) == 4); - static int tt[10]= { - 0x726a8f3b, // table - 0xe69a3b5c, - 0xd3c71fe5, - 0xab3c73d2, - 0x4d3a8eb3, - 0x0396d6e8, - 0x3d4c2f7a, - 0x9ee27cf3, } ; - t[0] = k0; - t[1] = k1; - t[2] = k2; - t[3] = k3; - for (p=4 ; p<256 ; p++) - { - x=t[p-4]+t[p-1] ; // fill t - t[p]= (x>>3) ^ tt[x&7] ; - } - - for (p=0 ; p<23 ; p++) - t[p]+=t[p+89] ; // mix first entries - x=t[33] ; z=t[59] | 0x01000001 ; - z=z&0xff7fffff ; - for (p=0 ; p<256 ; p++) { //change top byte to - x=(x&0xff7fffff)+z ; // a permutation etc - t[p]=(t[p] & 0x00ffffff) ^ x ; } - - t[256]=t[0] ; - byte y=byte(x); - for (p=0 ; p<256 ; p++) { // further change perm. - t[p]=t[y=byte(t[p^y]^y)] ; // and other digits - t[y]=t[p+1] ; } -} - -template <class B> -void WAKE_Policy<B>::CipherSetKey(const NameValuePairs ¶ms, const byte *key, size_t length) -{ - word32 k0, k1, k2, k3; - BlockGetAndPut<word32, BigEndian>::Get(key)(r3)(r4)(r5)(r6)(k0)(k1)(k2)(k3); - GenKey(k0, k1, k2, k3); -} - -// OFB -template <class B> -void WAKE_Policy<B>::OperateKeystream(KeystreamOperation operation, byte *output, const byte *input, size_t iterationCount) -{ -#define WAKE_OUTPUT(x)\ - while (iterationCount--)\ - {\ - CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, B::ToEnum(), 0, r6);\ - r3 = M(r3, r6);\ - r4 = M(r4, r3);\ - r5 = M(r5, r4);\ - r6 = M(r6, r5);\ - output += 4;\ - if (!(x & INPUT_NULL))\ - input += 4;\ - } - - typedef word32 WordType; - CRYPTOPP_KEYSTREAM_OUTPUT_SWITCH(WAKE_OUTPUT, 0); -} -/* -template <class B> -void WAKE_ROFB_Policy<B>::Iterate(KeystreamOperation operation, byte *output, const byte *input, unsigned int iterationCount) -{ - KeystreamOutput<B> keystreamOperation(operation, output, input); - - while (iterationCount--) - { - keystreamOperation(r6); - r3 = M(r3, r6); - r4 = M(r4, r3); - r5 = M(r5, r4); - r6 = M(r6, r5); - } -} -*/ -template class WAKE_Policy<BigEndian>; -template class WAKE_Policy<LittleEndian>; -//template class WAKE_ROFB_Policy<BigEndian>; -//template class WAKE_ROFB_Policy<LittleEndian>; - -NAMESPACE_END diff --git a/CryptoPP/wake.h b/CryptoPP/wake.h deleted file mode 100644 index 199957d14..000000000 --- a/CryptoPP/wake.h +++ /dev/null @@ -1,63 +0,0 @@ -#ifndef CRYPTOPP_WAKE_H -#define CRYPTOPP_WAKE_H - -#include "seckey.h" -#include "secblock.h" -#include "strciphr.h" - -NAMESPACE_BEGIN(CryptoPP) - -//! _ -template <class B = BigEndian> -struct WAKE_OFB_Info : public FixedKeyLength<32> -{ - static const char *StaticAlgorithmName() {return B::ToEnum() == LITTLE_ENDIAN_ORDER ? "WAKE-OFB-LE" : "WAKE-OFB-BE";} -}; - -class CRYPTOPP_NO_VTABLE WAKE_Base -{ -protected: - word32 M(word32 x, word32 y); - void GenKey(word32 k0, word32 k1, word32 k2, word32 k3); - - word32 t[257]; - word32 r3, r4, r5, r6; -}; - -template <class B = BigEndian> -class CRYPTOPP_NO_VTABLE WAKE_Policy : public AdditiveCipherConcretePolicy<word32, 1, 64>, protected WAKE_Base -{ -protected: - void CipherSetKey(const NameValuePairs ¶ms, const byte *key, size_t length); - // OFB - void OperateKeystream(KeystreamOperation operation, byte *output, const byte *input, size_t iterationCount); - bool CipherIsRandomAccess() const {return false;} -}; - -//! WAKE-OFB -template <class B = BigEndian> -struct WAKE_OFB : public WAKE_OFB_Info<B>, public SymmetricCipherDocumentation -{ - typedef SymmetricCipherFinal<ConcretePolicyHolder<WAKE_Policy<B>, AdditiveCipherTemplate<> >, WAKE_OFB_Info<B> > Encryption; - typedef Encryption Decryption; -}; - -/* -template <class B = BigEndian> -class WAKE_ROFB_Policy : public WAKE_Policy<B> -{ -protected: - void Iterate(KeystreamOperation operation, byte *output, const byte *input, unsigned int iterationCount); -}; - -template <class B = BigEndian> -struct WAKE_ROFB : public WAKE_Info<B> -{ - typedef SymmetricCipherTemplate<ConcretePolicyHolder<AdditiveCipherTemplate<>, WAKE_ROFB_Policy<B> > > Encryption; - typedef Encryption Decryption; -}; -*/ - -NAMESPACE_END - -#endif |