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Fix aliasing violations in Kalyna

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This commit is contained in:
Jeffrey Walton 2020-04-13 19:02:39 -04:00
parent 2c3dd14a1e
commit 950a5a2ff4
No known key found for this signature in database
GPG Key ID: B36AB348921B1838
2 changed files with 25 additions and 35 deletions
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50
kalyna.cpp
View File

@ -932,7 +932,7 @@ void Kalyna512::Base::SetKey_88(const word64 key[8])
// *********************** ProcessAndXorBlock specializations *********************** //
void Kalyna128::Base::ProcessBlock_22(const word64 inBlock[2], const word64 xorBlock[2], word64 outBlock[2]) const
void Kalyna128::Base::ProcessBlock_22(const byte* inBlock, const byte* xorBlock, byte* outBlock) const
{
word64 *t1 = m_wspace+0, *t2 = m_wspace+2, *msg = m_wspace+4;
@ -941,10 +941,9 @@ void Kalyna128::Base::ProcessBlock_22(const word64 inBlock[2], const word64 xorB
InBlock iblk(inBlock);
iblk(msg[0])(msg[1]);
inBlock = msg;
if (IsForwardTransformation())
{
AddKey<2>(inBlock, t1, m_rkeys);
AddKey<2>(msg, t1, m_rkeys);
G128(t1, t2, &m_rkeys[2]); // 1
G128(t2, t1, &m_rkeys[4]); // 2
G128(t1, t2, &m_rkeys[6]); // 3
@ -958,7 +957,7 @@ void Kalyna128::Base::ProcessBlock_22(const word64 inBlock[2], const word64 xorB
}
else
{
SubKey<2>(inBlock, t1, &m_rkeys[20]);
SubKey<2>(msg, t1, &m_rkeys[20]);
IMC128(t1);
IG128(t1, t2, &m_rkeys[18]);
IG128(t2, t1, &m_rkeys[16]);
@ -978,7 +977,7 @@ void Kalyna128::Base::ProcessBlock_22(const word64 inBlock[2], const word64 xorB
oblk(t1[0])(t1[1]);
}
void Kalyna128::Base::ProcessBlock_24(const word64 inBlock[2], const word64 xorBlock[2], word64 outBlock[2]) const
void Kalyna128::Base::ProcessBlock_24(const byte *inBlock, const byte *xorBlock, byte *outBlock) const
{
word64 *t1 = m_wspace+0, *t2 = m_wspace+2, *msg = m_wspace+4;
@ -987,10 +986,9 @@ void Kalyna128::Base::ProcessBlock_24(const word64 inBlock[2], const word64 xorB
InBlock iblk(inBlock);
iblk(msg[0])(msg[1]);
inBlock = msg;
if (IsForwardTransformation())
{
AddKey<2>(inBlock, t1, m_rkeys);
AddKey<2>(msg, t1, m_rkeys);
G128(t1, t2, &m_rkeys[ 2]); // 1
G128(t2, t1, &m_rkeys[ 4]); // 2
G128(t1, t2, &m_rkeys[ 6]); // 3
@ -1008,7 +1006,7 @@ void Kalyna128::Base::ProcessBlock_24(const word64 inBlock[2], const word64 xorB
}
else
{
SubKey<2>(inBlock, t1, &m_rkeys[28]);
SubKey<2>(msg, t1, &m_rkeys[28]);
IMC128(t1);
IG128(t1, t2, &m_rkeys[26]);
IG128(t2, t1, &m_rkeys[24]);
@ -1032,7 +1030,7 @@ void Kalyna128::Base::ProcessBlock_24(const word64 inBlock[2], const word64 xorB
oblk(t1[0])(t1[1]);
}
void Kalyna256::Base::ProcessBlock_44(const word64 inBlock[4], const word64 xorBlock[4], word64 outBlock[4]) const
void Kalyna256::Base::ProcessBlock_44(const byte *inBlock, const byte *xorBlock, byte *outBlock) const
{
word64 *t1 = m_wspace+0, *t2 = m_wspace+4, *msg = m_wspace+8;
@ -1041,10 +1039,9 @@ void Kalyna256::Base::ProcessBlock_44(const word64 inBlock[4], const word64 xorB
InBlock iblk(inBlock);
iblk(msg[0])(msg[1])(msg[2])(msg[3]);
inBlock = msg;
if (IsForwardTransformation())
{
AddKey<4>(inBlock, t1, m_rkeys);
AddKey<4>(msg, t1, m_rkeys);
G256(t1, t2, &m_rkeys[4]); // 1
G256(t2, t1, &m_rkeys[8]); // 2
G256(t1, t2, &m_rkeys[12]); // 3
@ -1062,7 +1059,7 @@ void Kalyna256::Base::ProcessBlock_44(const word64 inBlock[4], const word64 xorB
}
else
{
SubKey<4>(inBlock, t1, &m_rkeys[56]);
SubKey<4>(msg, t1, &m_rkeys[56]);
IMC256(t1);
IG256(t1, t2, &m_rkeys[52]);
IG256(t2, t1, &m_rkeys[48]);
@ -1086,7 +1083,7 @@ void Kalyna256::Base::ProcessBlock_44(const word64 inBlock[4], const word64 xorB
oblk(t1[0])(t1[1])(t1[2])(t1[3]);
}
void Kalyna256::Base::ProcessBlock_48(const word64 inBlock[4], const word64 xorBlock[4], word64 outBlock[4]) const
void Kalyna256::Base::ProcessBlock_48(const byte *inBlock, const byte *xorBlock, byte *outBlock) const
{
word64 *t1 = m_wspace+0, *t2 = m_wspace+4, *msg = m_wspace+8;
@ -1095,10 +1092,9 @@ void Kalyna256::Base::ProcessBlock_48(const word64 inBlock[4], const word64 xorB
InBlock iblk(inBlock);
iblk(msg[0])(msg[1])(msg[2])(msg[3]);
inBlock = msg;
if (IsForwardTransformation())
{
AddKey<4>(inBlock, t1, m_rkeys);
AddKey<4>(msg, t1, m_rkeys);
G256(t1, t2, &m_rkeys[4]); // 1
G256(t2, t1, &m_rkeys[8]); // 2
G256(t1, t2, &m_rkeys[12]); // 3
@ -1120,7 +1116,7 @@ void Kalyna256::Base::ProcessBlock_48(const word64 inBlock[4], const word64 xorB
}
else
{
SubKey<4>(inBlock, t1, &m_rkeys[72]);
SubKey<4>(msg, t1, &m_rkeys[72]);
IMC256(t1);
IG256(t1, t2, &m_rkeys[68]);
IG256(t2, t1, &m_rkeys[64]);
@ -1148,7 +1144,7 @@ void Kalyna256::Base::ProcessBlock_48(const word64 inBlock[4], const word64 xorB
oblk(t1[0])(t1[1])(t1[2])(t1[3]);
}
void Kalyna512::Base::ProcessBlock_88(const word64 inBlock[8], const word64 xorBlock[8], word64 outBlock[8]) const
void Kalyna512::Base::ProcessBlock_88(const byte *inBlock, const byte *xorBlock, byte *outBlock) const
{
word64 *t1 = m_wspace+0, *t2 = m_wspace+8, *msg = m_wspace+16;
@ -1157,10 +1153,9 @@ void Kalyna512::Base::ProcessBlock_88(const word64 inBlock[8], const word64 xorB
InBlock iblk(inBlock);
iblk(msg[0])(msg[1])(msg[2])(msg[3])(msg[4])(msg[5])(msg[6])(msg[7]);
inBlock = msg;
if (IsForwardTransformation())
{
AddKey<8>(inBlock, t1, m_rkeys);
AddKey<8>(msg, t1, m_rkeys);
G512(t1, t2, &m_rkeys[8]); // 1
G512(t2, t1, &m_rkeys[16]); // 2
G512(t1, t2, &m_rkeys[24]); // 3
@ -1182,7 +1177,7 @@ void Kalyna512::Base::ProcessBlock_88(const word64 inBlock[8], const word64 xorB
}
else
{
SubKey<8>(inBlock, t1, &m_rkeys[144]);
SubKey<8>(msg, t1, &m_rkeys[144]);
IMC512(t1);
IG512(t1, t2, &m_rkeys[136]);
IG512(t2, t1, &m_rkeys[128]);
@ -1258,12 +1253,10 @@ void Kalyna128::Base::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlo
switch ((m_nb << 8) | m_nk)
{
case (2 << 8) | 2:
ProcessBlock_22(reinterpret_cast<const word64*>(inBlock),
reinterpret_cast<const word64*>(xorBlock), reinterpret_cast<word64*>(outBlock));
ProcessBlock_22(inBlock, xorBlock, outBlock);
break;
case (2 << 8) | 4:
ProcessBlock_24(reinterpret_cast<const word64*>(inBlock),
reinterpret_cast<const word64*>(xorBlock), reinterpret_cast<word64*>(outBlock));
ProcessBlock_24(inBlock, xorBlock, outBlock);
break;
default:
CRYPTOPP_ASSERT(0);
@ -1316,12 +1309,10 @@ void Kalyna256::Base::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlo
switch ((m_nb << 8) | m_nk)
{
case (4 << 8) | 4:
ProcessBlock_44(reinterpret_cast<const word64*>(inBlock),
reinterpret_cast<const word64*>(xorBlock), reinterpret_cast<word64*>(outBlock));
ProcessBlock_44(inBlock, xorBlock, outBlock);
break;
case (4 << 8) | 8:
ProcessBlock_48(reinterpret_cast<const word64*>(inBlock),
reinterpret_cast<const word64*>(xorBlock), reinterpret_cast<word64*>(outBlock));
ProcessBlock_48(inBlock, xorBlock, outBlock);
break;
default:
CRYPTOPP_ASSERT(0);
@ -1365,8 +1356,7 @@ void Kalyna512::Base::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlo
u ^= *reinterpret_cast<const word64*>(p+i);
m_wspace[0] = u;
ProcessBlock_88(reinterpret_cast<const word64*>(inBlock),
reinterpret_cast<const word64*>(xorBlock), reinterpret_cast<word64*>(outBlock));
ProcessBlock_88(inBlock, xorBlock, outBlock);
}
NAMESPACE_END

10
kalyna.h
View File

@ -106,8 +106,8 @@ public:
protected:
void SetKey_22(const word64 key[2]);
void SetKey_24(const word64 key[4]);
void ProcessBlock_22(const word64 inBlock[2], const word64 xorBlock[2], word64 outBlock[2]) const;
void ProcessBlock_24(const word64 inBlock[2], const word64 xorBlock[2] ,word64 outBlock[2]) const;
void ProcessBlock_22(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
void ProcessBlock_24(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
};
typedef BlockCipherFinal<ENCRYPTION, Base> Encryption;
@ -152,8 +152,8 @@ public:
protected:
void SetKey_44(const word64 key[4]);
void SetKey_48(const word64 key[8]);
void ProcessBlock_44(const word64 inBlock[4], const word64 xorBlock[4], word64 outBlock[4]) const;
void ProcessBlock_48(const word64 inBlock[4], const word64 xorBlock[4], word64 outBlock[4]) const;
void ProcessBlock_44(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
void ProcessBlock_48(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
};
typedef BlockCipherFinal<ENCRYPTION, Base> Encryption;
@ -197,7 +197,7 @@ public:
protected:
void SetKey_88(const word64 key[8]);
void ProcessBlock_88(const word64 inBlock[8], const word64 xorBlock[8], word64 outBlock[8]) const;
void ProcessBlock_88(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
};
typedef BlockCipherFinal<ENCRYPTION, Base> Encryption;