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-rw-r--r--CryptoPP/tea.cpp159
1 files changed, 0 insertions, 159 deletions
diff --git a/CryptoPP/tea.cpp b/CryptoPP/tea.cpp
deleted file mode 100644
index b1fb6f140..000000000
--- a/CryptoPP/tea.cpp
+++ /dev/null
@@ -1,159 +0,0 @@
-// tea.cpp - modified by Wei Dai from code in the original paper
-
-#include "pch.h"
-#include "tea.h"
-#include "misc.h"
-
-NAMESPACE_BEGIN(CryptoPP)
-
-static const word32 DELTA = 0x9e3779b9;
-typedef BlockGetAndPut<word32, BigEndian> Block;
-
-void TEA::Base::UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &params)
-{
- AssertValidKeyLength(length);
-
- GetUserKey(BIG_ENDIAN_ORDER, m_k.begin(), 4, userKey, KEYLENGTH);
- m_limit = GetRoundsAndThrowIfInvalid(params, this) * DELTA;
-}
-
-void TEA::Enc::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const
-{
- word32 y, z;
- Block::Get(inBlock)(y)(z);
-
- word32 sum = 0;
- while (sum != m_limit)
- {
- sum += DELTA;
- y += (z << 4) + m_k[0] ^ z + sum ^ (z >> 5) + m_k[1];
- z += (y << 4) + m_k[2] ^ y + sum ^ (y >> 5) + m_k[3];
- }
-
- Block::Put(xorBlock, outBlock)(y)(z);
-}
-
-void TEA::Dec::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const
-{
- word32 y, z;
- Block::Get(inBlock)(y)(z);
-
- word32 sum = m_limit;
- while (sum != 0)
- {
- z -= (y << 4) + m_k[2] ^ y + sum ^ (y >> 5) + m_k[3];
- y -= (z << 4) + m_k[0] ^ z + sum ^ (z >> 5) + m_k[1];
- sum -= DELTA;
- }
-
- Block::Put(xorBlock, outBlock)(y)(z);
-}
-
-void XTEA::Base::UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &params)
-{
- AssertValidKeyLength(length);
-
- GetUserKey(BIG_ENDIAN_ORDER, m_k.begin(), 4, userKey, KEYLENGTH);
- m_limit = GetRoundsAndThrowIfInvalid(params, this) * DELTA;
-}
-
-void XTEA::Enc::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const
-{
- word32 y, z;
- Block::Get(inBlock)(y)(z);
-
-#ifdef __SUNPRO_CC
- // workaround needed on Sun Studio 12u1 Sun C++ 5.10 SunOS_i386 128229-02 2009/09/21
- size_t sum = 0;
- while ((sum&0xffffffff) != m_limit)
-#else
- word32 sum = 0;
- while (sum != m_limit)
-#endif
- {
- y += (z<<4 ^ z>>5) + z ^ sum + m_k[sum&3];
- sum += DELTA;
- z += (y<<4 ^ y>>5) + y ^ sum + m_k[sum>>11 & 3];
- }
-
- Block::Put(xorBlock, outBlock)(y)(z);
-}
-
-void XTEA::Dec::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const
-{
- word32 y, z;
- Block::Get(inBlock)(y)(z);
-
-#ifdef __SUNPRO_CC
- // workaround needed on Sun Studio 12u1 Sun C++ 5.10 SunOS_i386 128229-02 2009/09/21
- size_t sum = m_limit;
- while ((sum&0xffffffff) != 0)
-#else
- word32 sum = m_limit;
- while (sum != 0)
-#endif
- {
- z -= (y<<4 ^ y>>5) + y ^ sum + m_k[sum>>11 & 3];
- sum -= DELTA;
- y -= (z<<4 ^ z>>5) + z ^ sum + m_k[sum&3];
- }
-
- Block::Put(xorBlock, outBlock)(y)(z);
-}
-
-#define MX (z>>5^y<<2)+(y>>3^z<<4)^(sum^y)+(m_k[p&3^e]^z)
-
-void BTEA::Enc::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const
-{
- unsigned int n = m_blockSize / 4;
- word32 *v = (word32*)outBlock;
- ConditionalByteReverse(BIG_ENDIAN_ORDER, v, (const word32*)inBlock, m_blockSize);
-
- word32 y = v[0], z = v[n-1], e;
- word32 p, q = 6+52/n;
- word32 sum = 0;
-
- while (q-- > 0)
- {
- sum += DELTA;
- e = sum>>2 & 3;
- for (p = 0; p < n-1; p++)
- {
- y = v[p+1];
- z = v[p] += MX;
- }
- y = v[0];
- z = v[n-1] += MX;
- }
-
- ConditionalByteReverse(BIG_ENDIAN_ORDER, v, v, m_blockSize);
-}
-
-void BTEA::Dec::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const
-{
- unsigned int n = m_blockSize / 4;
- word32 *v = (word32*)outBlock;
- ConditionalByteReverse(BIG_ENDIAN_ORDER, v, (const word32*)inBlock, m_blockSize);
-
- word32 y = v[0], z = v[n-1], e;
- word32 p, q = 6+52/n;
- word32 sum = q * DELTA;
-
- while (sum != 0)
- {
- e = sum>>2 & 3;
- for (p = n-1; p > 0; p--)
- {
- z = v[p-1];
- y = v[p] -= MX;
- }
-
- z = v[n-1];
- y = v[0] -= MX;
- sum -= DELTA;
- }
-
- ConditionalByteReverse(BIG_ENDIAN_ORDER, v, v, m_blockSize);
-}
-
-NAMESPACE_END