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Fix incorrect SPECK-128 decrypt when blocks >= 6 

Add defines for CRYPTOPP_SPECK64_ADVANCED_PROCESS_BLOCKS and CRYPTOPP_SPECK128_ADVANCED_PROCESS_BLOCKS
pull/548/head
Jeffrey Walton 2017-12-03 09:00:39 -05:00
parent 18ccd89965
commit f0e49785f6
No known key found for this signature in database
GPG Key ID: B36AB348921B1838
6 changed files with 31 additions and 21 deletions
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6
simon-simd.cpp
View File

@ -234,8 +234,9 @@ inline void SIMON128_Dec_Block(uint8x16_t &block0, const word64 *subkeys, unsign
if (rounds & 1)
{
const uint64x2_t rk = vld1q_dup_u64(subkeys + rounds - 1);
std::swap(x1, y1);
const uint64x2_t rk = vld1q_dup_u64(subkeys + rounds - 1);
y1 = veorq_u64(veorq_u64(y1, rk), SIMON128_f(x1));
rounds--;
}
@ -266,7 +267,7 @@ inline void SIMON128_Dec_6_Blocks(uint8x16_t &block0, uint8x16_t &block1,
uint64x2_t x2 = UnpackLow64<uint64x2_t>(block2, block3);
uint64x2_t y2 = UnpackHigh64<uint64x2_t>(block2, block3);
uint64x2_t x3 = UnpackLow64<uint64x2_t>(block4, block5);
uint64x2_t y3 = UnpackHigh64<uint64x2_t>(block5, block5);
uint64x2_t y3 = UnpackHigh64<uint64x2_t>(block4, block5);
x1 = Shuffle64(x1); y1 = Shuffle64(y1);
x2 = Shuffle64(x2); y2 = Shuffle64(y2);
@ -279,6 +280,7 @@ inline void SIMON128_Dec_6_Blocks(uint8x16_t &block0, uint8x16_t &block1,
y1 = veorq_u64(veorq_u64(y1, rk), SIMON128_f(x1));
y2 = veorq_u64(veorq_u64(y2, rk), SIMON128_f(x2));
y3 = veorq_u64(veorq_u64(y3, rk), SIMON128_f(x3));
rounds--;
}

6
simon.cpp
View File

@ -384,7 +384,7 @@ void SIMON128::Dec::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock
OutBlock oblk(xorBlock, outBlock); oblk(m_wspace[2])(m_wspace[3]);
}
#if defined(CRYPTOPP_SIMON_ADVANCED_PROCESS_BLOCKS)
#if defined(CRYPTOPP_SIMON64_ADVANCED_PROCESS_BLOCKS)
size_t SIMON64::Enc::AdvancedProcessBlocks(const byte *inBlocks, const byte *xorBlocks,
byte *outBlocks, size_t length, word32 flags) const
{
@ -416,7 +416,9 @@ size_t SIMON64::Dec::AdvancedProcessBlocks(const byte *inBlocks, const byte *xor
#endif
return BlockTransformation::AdvancedProcessBlocks(inBlocks, xorBlocks, outBlocks, length, flags);
}
#endif // CRYPTOPP_SIMON64_ADVANCED_PROCESS_BLOCKS
#if defined(CRYPTOPP_SIMON128_ADVANCED_PROCESS_BLOCKS)
size_t SIMON128::Enc::AdvancedProcessBlocks(const byte *inBlocks, const byte *xorBlocks,
byte *outBlocks, size_t length, word32 flags) const
{
@ -448,6 +450,6 @@ size_t SIMON128::Dec::AdvancedProcessBlocks(const byte *inBlocks, const byte *xo
#endif
return BlockTransformation::AdvancedProcessBlocks(inBlocks, xorBlocks, outBlocks, length, flags);
}
#endif
#endif // CRYPTOPP_SIMON128_ADVANCED_PROCESS_BLOCKS
NAMESPACE_END

14
simon.h
View File

@ -16,8 +16,12 @@
#include "seckey.h"
#include "secblock.h"
#if CRYPTOPP_BOOL_X64 || CRYPTOPP_BOOL_X32 || CRYPTOPP_BOOL_X86
# define CRYPTOPP_SIMON64_ADVANCED_PROCESS_BLOCKS 1
#endif
#if CRYPTOPP_BOOL_X64 || CRYPTOPP_BOOL_X32 || CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_ARM32 || CRYPTOPP_BOOL_ARM64
# define CRYPTOPP_SIMON_ADVANCED_PROCESS_BLOCKS 1
# define CRYPTOPP_SIMON128_ADVANCED_PROCESS_BLOCKS 1
#endif
NAMESPACE_BEGIN(CryptoPP)
@ -94,7 +98,7 @@ public:
{
protected:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
#if CRYPTOPP_SIMON_ADVANCED_PROCESS_BLOCKS
#if CRYPTOPP_SIMON64_ADVANCED_PROCESS_BLOCKS
size_t AdvancedProcessBlocks(const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags) const;
#endif
};
@ -107,7 +111,7 @@ public:
{
protected:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
#if CRYPTOPP_SIMON_ADVANCED_PROCESS_BLOCKS
#if CRYPTOPP_SIMON64_ADVANCED_PROCESS_BLOCKS
size_t AdvancedProcessBlocks(const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags) const;
#endif
};
@ -152,7 +156,7 @@ public:
{
protected:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
#if CRYPTOPP_SIMON_ADVANCED_PROCESS_BLOCKS
#if CRYPTOPP_SIMON128_ADVANCED_PROCESS_BLOCKS
size_t AdvancedProcessBlocks(const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags) const;
#endif
};
@ -165,7 +169,7 @@ public:
{
protected:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
#if CRYPTOPP_SIMON_ADVANCED_PROCESS_BLOCKS
#if CRYPTOPP_SIMON128_ADVANCED_PROCESS_BLOCKS
size_t AdvancedProcessBlocks(const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags) const;
#endif
};

6
speck-simd.cpp
View File

@ -254,7 +254,7 @@ inline void SPECK128_Dec_6_Blocks(uint8x16_t &block0, uint8x16_t &block1,
uint64x2_t x2 = UnpackLow64<uint64x2_t>(block2, block3);
uint64x2_t y2 = UnpackHigh64<uint64x2_t>(block2, block3);
uint64x2_t x3 = UnpackLow64<uint64x2_t>(block4, block5);
uint64x2_t y3 = UnpackHigh64<uint64x2_t>(block5, block5);
uint64x2_t y3 = UnpackHigh64<uint64x2_t>(block4, block5);
x1 = Shuffle64(x1);
y1 = Shuffle64(y1);
@ -996,10 +996,6 @@ inline size_t SPECK64_AdvancedProcessBlocks_SSE41(F1 func1, F4 func4,
}
}
//inBlocks += inIncrement;
//xorBlocks += xorIncrement;
//outBlocks += outIncrement;
while (length >= blockSize)
{
const word32* inPtr = reinterpret_cast<const word32*>(inBlocks);

6
speck.cpp
View File

@ -364,7 +364,7 @@ void SPECK128::Dec::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock
OutBlock oblk(xorBlock, outBlock); oblk(m_wspace[2])(m_wspace[3]);
}
#if defined(CRYPTOPP_SPECK_ADVANCED_PROCESS_BLOCKS)
#if defined(CRYPTOPP_SPECK64_ADVANCED_PROCESS_BLOCKS)
size_t SPECK64::Enc::AdvancedProcessBlocks(const byte *inBlocks, const byte *xorBlocks,
byte *outBlocks, size_t length, word32 flags) const
{
@ -386,7 +386,9 @@ size_t SPECK64::Dec::AdvancedProcessBlocks(const byte *inBlocks, const byte *xor
#endif
return BlockTransformation::AdvancedProcessBlocks(inBlocks, xorBlocks, outBlocks, length, flags);
}
#endif // CRYPTOPP_SPECK64_ADVANCED_PROCESS_BLOCKS
#if defined(CRYPTOPP_SPECK128_ADVANCED_PROCESS_BLOCKS)
size_t SPECK128::Enc::AdvancedProcessBlocks(const byte *inBlocks, const byte *xorBlocks,
byte *outBlocks, size_t length, word32 flags) const
{
@ -418,6 +420,6 @@ size_t SPECK128::Dec::AdvancedProcessBlocks(const byte *inBlocks, const byte *xo
#endif
return BlockTransformation::AdvancedProcessBlocks(inBlocks, xorBlocks, outBlocks, length, flags);
}
#endif
#endif // CRYPTOPP_SPECK128_ADVANCED_PROCESS_BLOCKS
NAMESPACE_END

14
speck.h
View File

@ -17,7 +17,11 @@
#include "secblock.h"
#if CRYPTOPP_BOOL_X64 || CRYPTOPP_BOOL_X32 || CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_ARM32 || CRYPTOPP_BOOL_ARM64
# define CRYPTOPP_SPECK_ADVANCED_PROCESS_BLOCKS 1
# define CRYPTOPP_SPECK64_ADVANCED_PROCESS_BLOCKS 1
#endif
#if CRYPTOPP_BOOL_X64 || CRYPTOPP_BOOL_X32 || CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_ARM32 || CRYPTOPP_BOOL_ARM64
# define CRYPTOPP_SPECK128_ADVANCED_PROCESS_BLOCKS 1
#endif
NAMESPACE_BEGIN(CryptoPP)
@ -94,7 +98,7 @@ public:
{
protected:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
#if CRYPTOPP_SPECK_ADVANCED_PROCESS_BLOCKS
#if CRYPTOPP_SPECK64_ADVANCED_PROCESS_BLOCKS
size_t AdvancedProcessBlocks(const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags) const;
#endif
};
@ -107,7 +111,7 @@ public:
{
protected:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
#if CRYPTOPP_SPECK_ADVANCED_PROCESS_BLOCKS
#if CRYPTOPP_SPECK64_ADVANCED_PROCESS_BLOCKS
size_t AdvancedProcessBlocks(const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags) const;
#endif
};
@ -152,7 +156,7 @@ public:
{
protected:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
#if CRYPTOPP_SPECK_ADVANCED_PROCESS_BLOCKS
#if CRYPTOPP_SPECK128_ADVANCED_PROCESS_BLOCKS
size_t AdvancedProcessBlocks(const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags) const;
#endif
};
@ -165,7 +169,7 @@ public:
{
protected:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
#if CRYPTOPP_SPECK_ADVANCED_PROCESS_BLOCKS
#if CRYPTOPP_SPECK128_ADVANCED_PROCESS_BLOCKS
size_t AdvancedProcessBlocks(const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags) const;
#endif
};