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Cleanup ARIA SSE and NEON code

pull/737/head
Jeffrey Walton 2018-11-09 11:56:47 -05:00
parent ca9d0f10f6
commit 656be82a8f
No known key found for this signature in database
GPG Key ID: B36AB348921B1838
2 changed files with 82 additions and 46 deletions
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97
aria-simd.cpp
View File

@ -29,10 +29,6 @@
#define M128_CAST(x) ((__m128i *)(void *)(x))
#define CONST_M128_CAST(x) ((const __m128i *)(const void *)(x))
// GCC cast warning
#define UINT32_CAST(x) ((uint32_t *)(void *)(x))
#define CONST_UINT32_CAST(x) ((const uint32_t *)(const void *)(x))
NAMESPACE_BEGIN(CryptoPP)
NAMESPACE_BEGIN(ARIATab)
@ -45,6 +41,17 @@ extern const word32 KRK[3][4];
NAMESPACE_END
NAMESPACE_END
ANONYMOUS_NAMESPACE_BEGIN
using CryptoPP::byte;
using CryptoPP::word32;
inline byte ARIA_BRF(const word32 x, const int y) {
return GETBYTE(x, y);
}
ANONYMOUS_NAMESPACE_END
NAMESPACE_BEGIN(CryptoPP)
using CryptoPP::ARIATab::S1;
@ -58,22 +65,23 @@ using CryptoPP::ARIATab::KRK;
template <unsigned int N>
inline void ARIA_GSRK_NEON(const uint32x4_t X, const uint32x4_t Y, byte RK[16])
{
static const unsigned int Q1 = (4-(N/32)) % 4;
static const unsigned int Q2 = (3-(N/32)) % 4;
static const unsigned int R = N % 32;
enum { Q1 = (4-(N/32)) % 4,
Q2 = (3-(N/32)) % 4,
R = N % 32
};
vst1q_u32(UINT32_CAST(RK),
vst1q_u8(RK, vreinterpretq_u8_u32(
veorq_u32(X, veorq_u32(
vshrq_n_u32(vextq_u32(Y, Y, Q1), R),
vshlq_n_u32(vextq_u32(Y, Y, Q2), 32-R))));
vshlq_n_u32(vextq_u32(Y, Y, Q2), 32-R)))));
}
void ARIA_UncheckedSetKey_Schedule_NEON(byte* rk, word32* ws, unsigned int keylen)
{
const uint32x4_t w0 = vld1q_u32(CONST_UINT32_CAST(ws+ 0));
const uint32x4_t w1 = vld1q_u32(CONST_UINT32_CAST(ws+ 8));
const uint32x4_t w2 = vld1q_u32(CONST_UINT32_CAST(ws+12));
const uint32x4_t w3 = vld1q_u32(CONST_UINT32_CAST(ws+16));
const uint32x4_t w0 = vld1q_u32(ws+ 0);
const uint32x4_t w1 = vld1q_u32(ws+ 8);
const uint32x4_t w2 = vld1q_u32(ws+12);
const uint32x4_t w3 = vld1q_u32(ws+16);
ARIA_GSRK_NEON<19>(w0, w1, rk + 0);
ARIA_GSRK_NEON<19>(w1, w2, rk + 16);
@ -102,22 +110,49 @@ void ARIA_UncheckedSetKey_Schedule_NEON(byte* rk, word32* ws, unsigned int keyle
}
}
void ARIA_ProcessAndXorBlock_Xor_NEON(const byte* xorBlock, byte* outBlock)
void ARIA_ProcessAndXorBlock_NEON(const byte* xorBlock, byte* outBlock, const byte *rk, word32 *t)
{
vst1q_u32(UINT32_CAST(outBlock), veorq_u32(
vld1q_u32(CONST_UINT32_CAST(outBlock)),
vld1q_u32(CONST_UINT32_CAST(xorBlock))));
outBlock[ 0] = (byte)(X1[ARIA_BRF(t[0],3)] );
outBlock[ 1] = (byte)(X2[ARIA_BRF(t[0],2)]>>8);
outBlock[ 2] = (byte)(S1[ARIA_BRF(t[0],1)] );
outBlock[ 3] = (byte)(S2[ARIA_BRF(t[0],0)] );
outBlock[ 4] = (byte)(X1[ARIA_BRF(t[1],3)] );
outBlock[ 5] = (byte)(X2[ARIA_BRF(t[1],2)]>>8);
outBlock[ 6] = (byte)(S1[ARIA_BRF(t[1],1)] );
outBlock[ 7] = (byte)(S2[ARIA_BRF(t[1],0)] );
outBlock[ 8] = (byte)(X1[ARIA_BRF(t[2],3)] );
outBlock[ 9] = (byte)(X2[ARIA_BRF(t[2],2)]>>8);
outBlock[10] = (byte)(S1[ARIA_BRF(t[2],1)] );
outBlock[11] = (byte)(S2[ARIA_BRF(t[2],0)] );
outBlock[12] = (byte)(X1[ARIA_BRF(t[3],3)] );
outBlock[13] = (byte)(X2[ARIA_BRF(t[3],2)]>>8);
outBlock[14] = (byte)(S1[ARIA_BRF(t[3],1)] );
outBlock[15] = (byte)(S2[ARIA_BRF(t[3],0)] );
// 'outBlock' and 'xorBlock' may be unaligned.
if (xorBlock != NULLPTR)
{
vst1q_u8(outBlock,
veorq_u8(
vld1q_u8(xorBlock),
veorq_u8(
vld1q_u8(outBlock),
vrev32q_u8(vld1q_u8((rk))))));
}
else
{
vst1q_u8(outBlock,
veorq_u8(
vld1q_u8(outBlock),
vrev32q_u8(vld1q_u8(rk))));
}
}
#endif // CRYPTOPP_ARM_NEON_AVAILABLE
#if (CRYPTOPP_SSSE3_AVAILABLE)
inline byte ARIA_BRF(const word32 x, const int y) {
return GETBYTE(x, y);
}
void ARIA_ProcessAndXorBlock_Xor_SSSE3(const byte* xorBlock, byte* outBlock, const byte *rk, word32 *t)
void ARIA_ProcessAndXorBlock_SSSE3(const byte* xorBlock, byte* outBlock, const byte *rk, word32 *t)
{
const __m128i MASK = _mm_set_epi8(12,13,14,15, 8,9,10,11, 4,5,6,7, 0,1,2,3);
@ -138,18 +173,22 @@ void ARIA_ProcessAndXorBlock_Xor_SSSE3(const byte* xorBlock, byte* outBlock, con
outBlock[14] = (byte)(S1[ARIA_BRF(t[3],1)] );
outBlock[15] = (byte)(S2[ARIA_BRF(t[3],0)] );
// 'outBlock' may be unaligned.
_mm_storeu_si128(M128_CAST(outBlock),
_mm_xor_si128(_mm_loadu_si128(CONST_M128_CAST(outBlock)),
_mm_shuffle_epi8(_mm_load_si128(CONST_M128_CAST(rk)), MASK)));
// 'outBlock' and 'xorBlock' may be unaligned.
if (xorBlock != NULLPTR)
{
_mm_storeu_si128(M128_CAST(outBlock),
_mm_xor_si128(
_mm_loadu_si128(CONST_M128_CAST(outBlock)),
_mm_loadu_si128(CONST_M128_CAST(xorBlock))));
_mm_loadu_si128(CONST_M128_CAST(xorBlock)),
_mm_xor_si128(
_mm_loadu_si128(CONST_M128_CAST(outBlock)),
_mm_shuffle_epi8(_mm_load_si128(CONST_M128_CAST(rk)), MASK)))
);
}
else
{
_mm_storeu_si128(M128_CAST(outBlock),
_mm_xor_si128(_mm_loadu_si128(CONST_M128_CAST(outBlock)),
_mm_shuffle_epi8(_mm_load_si128(CONST_M128_CAST(rk)), MASK)));
}
}

31
aria.cpp
View File

@ -85,11 +85,11 @@ inline byte ARIA_BRF(const word32 x, const int y) {
#if (CRYPTOPP_ARM_NEON_AVAILABLE)
extern void ARIA_UncheckedSetKey_Schedule_NEON(byte* rk, word32* ws, unsigned int keylen);
extern void ARIA_ProcessAndXorBlock_Xor_NEON(const byte* xorBlock, byte* outblock);
extern void ARIA_ProcessAndXorBlock_NEON(const byte* xorBlock, byte* outblock, const byte *rk, word32 *t);
#endif
#if (CRYPTOPP_SSSE3_AVAILABLE)
extern void ARIA_ProcessAndXorBlock_Xor_SSSE3(const byte* xorBlock, byte* outBlock, const byte *rk, word32 *t);
extern void ARIA_ProcessAndXorBlock_SSSE3(const byte* xorBlock, byte* outBlock, const byte *rk, word32 *t);
#endif
// n-bit right shift of Y XORed to X
@ -283,12 +283,19 @@ void ARIA::Base::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, b
#if CRYPTOPP_ENABLE_ARIA_SSSE3_INTRINSICS
if (HasSSSE3())
{
ARIA_ProcessAndXorBlock_Xor_SSSE3(xorBlock, outBlock, rk, t);
ARIA_ProcessAndXorBlock_SSSE3(xorBlock, outBlock, rk, t);
return;
}
else
#endif // CRYPTOPP_ENABLE_ARIA_SSSE3_INTRINSICS
#if (CRYPTOPP_ARM_NEON_AVAILABLE)
if (HasNEON())
{
ARIA_ProcessAndXorBlock_NEON(xorBlock, outBlock, rk, t);
return;
}
else
#endif // CRYPTOPP_ARM_NEON_AVAILABLE
#if (CRYPTOPP_LITTLE_ENDIAN)
{
outBlock[ 0] = (byte)(X1[ARIA_BRF(t[0],3)] ) ^ rk[ 3];
@ -329,19 +336,9 @@ void ARIA::Base::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, b
}
#endif // CRYPTOPP_LITTLE_ENDIAN
#if CRYPTOPP_ARM_NEON_AVAILABLE
if (HasNEON())
{
if (xorBlock != NULLPTR)
ARIA_ProcessAndXorBlock_Xor_NEON(xorBlock, outBlock);
}
else
#endif // CRYPTOPP_ARM_NEON_AVAILABLE
{
if (xorBlock != NULLPTR)
for (unsigned int n=0; n<ARIA::BLOCKSIZE; ++n)
outBlock[n] ^= xorBlock[n];
}
if (xorBlock != NULLPTR)
for (unsigned int n=0; n<ARIA::BLOCKSIZE; ++n)
outBlock[n] ^= xorBlock[n];
}
NAMESPACE_END