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d1str4ught
194
vendor/cryptopp/aria_simd.cpp
vendored
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194
vendor/cryptopp/aria_simd.cpp
vendored
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// aria_simd.cpp - written and placed in the public domain by
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// Jeffrey Walton, Uri Blumenthal and Marcel Raad.
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//
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// This source file uses intrinsics to gain access to ARMv7a and
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// ARMv8a NEON instructions. A separate source file is needed
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// because additional CXXFLAGS are required to enable the
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// appropriate instructions sets in some build configurations.
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#include "pch.h"
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#include "config.h"
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#include "misc.h"
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#if (CRYPTOPP_SSSE3_AVAILABLE)
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# include <tmmintrin.h>
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#endif
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#if (CRYPTOPP_ARM_NEON_HEADER)
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# include <arm_neon.h>
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#endif
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#if (CRYPTOPP_ARM_ACLE_HEADER)
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# include <stdint.h>
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# include <arm_acle.h>
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#endif
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// Squash MS LNK4221 and libtool warnings
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extern const char ARIA_SIMD_FNAME[] = __FILE__;
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NAMESPACE_BEGIN(CryptoPP)
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NAMESPACE_BEGIN(ARIATab)
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extern const word32 S1[256];
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extern const word32 S2[256];
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extern const word32 X1[256];
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extern const word32 X2[256];
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extern const word32 KRK[3][4];
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NAMESPACE_END
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NAMESPACE_END
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ANONYMOUS_NAMESPACE_BEGIN
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using CryptoPP::byte;
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using CryptoPP::word32;
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inline byte ARIA_BRF(const word32 x, const int y) {
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return static_cast<byte>(GETBYTE(x, y));
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}
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ANONYMOUS_NAMESPACE_END
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NAMESPACE_BEGIN(CryptoPP)
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using CryptoPP::ARIATab::S1;
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using CryptoPP::ARIATab::S2;
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using CryptoPP::ARIATab::X1;
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using CryptoPP::ARIATab::X2;
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using CryptoPP::ARIATab::KRK;
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#if (CRYPTOPP_ARM_NEON_AVAILABLE)
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template <unsigned int N>
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inline void ARIA_GSRK_NEON(const uint32x4_t X, const uint32x4_t Y, byte RK[16])
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{
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enum { Q1 = (4-(N/32)) % 4,
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Q2 = (3-(N/32)) % 4,
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R = N % 32
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};
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vst1q_u8(RK, vreinterpretq_u8_u32(
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veorq_u32(X, veorq_u32(
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vshrq_n_u32(vextq_u32(Y, Y, Q1), R),
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vshlq_n_u32(vextq_u32(Y, Y, Q2), 32-R)))));
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}
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void ARIA_UncheckedSetKey_Schedule_NEON(byte* rk, word32* ws, unsigned int keylen)
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{
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const uint32x4_t w0 = vld1q_u32(ws+ 0);
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const uint32x4_t w1 = vld1q_u32(ws+ 8);
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const uint32x4_t w2 = vld1q_u32(ws+12);
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const uint32x4_t w3 = vld1q_u32(ws+16);
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ARIA_GSRK_NEON<19>(w0, w1, rk + 0);
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ARIA_GSRK_NEON<19>(w1, w2, rk + 16);
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ARIA_GSRK_NEON<19>(w2, w3, rk + 32);
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ARIA_GSRK_NEON<19>(w3, w0, rk + 48);
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ARIA_GSRK_NEON<31>(w0, w1, rk + 64);
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ARIA_GSRK_NEON<31>(w1, w2, rk + 80);
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ARIA_GSRK_NEON<31>(w2, w3, rk + 96);
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ARIA_GSRK_NEON<31>(w3, w0, rk + 112);
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ARIA_GSRK_NEON<67>(w0, w1, rk + 128);
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ARIA_GSRK_NEON<67>(w1, w2, rk + 144);
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ARIA_GSRK_NEON<67>(w2, w3, rk + 160);
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ARIA_GSRK_NEON<67>(w3, w0, rk + 176);
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ARIA_GSRK_NEON<97>(w0, w1, rk + 192);
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if (keylen > 16)
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{
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ARIA_GSRK_NEON<97>(w1, w2, rk + 208);
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ARIA_GSRK_NEON<97>(w2, w3, rk + 224);
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if (keylen > 24)
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{
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ARIA_GSRK_NEON< 97>(w3, w0, rk + 240);
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ARIA_GSRK_NEON<109>(w0, w1, rk + 256);
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}
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}
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}
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void ARIA_ProcessAndXorBlock_NEON(const byte* xorBlock, byte* outBlock, const byte *rk, word32 *t)
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{
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outBlock[ 0] = (byte)(X1[ARIA_BRF(t[0],3)] );
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outBlock[ 1] = (byte)(X2[ARIA_BRF(t[0],2)]>>8);
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outBlock[ 2] = (byte)(S1[ARIA_BRF(t[0],1)] );
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outBlock[ 3] = (byte)(S2[ARIA_BRF(t[0],0)] );
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outBlock[ 4] = (byte)(X1[ARIA_BRF(t[1],3)] );
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outBlock[ 5] = (byte)(X2[ARIA_BRF(t[1],2)]>>8);
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outBlock[ 6] = (byte)(S1[ARIA_BRF(t[1],1)] );
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outBlock[ 7] = (byte)(S2[ARIA_BRF(t[1],0)] );
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outBlock[ 8] = (byte)(X1[ARIA_BRF(t[2],3)] );
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outBlock[ 9] = (byte)(X2[ARIA_BRF(t[2],2)]>>8);
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outBlock[10] = (byte)(S1[ARIA_BRF(t[2],1)] );
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outBlock[11] = (byte)(S2[ARIA_BRF(t[2],0)] );
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outBlock[12] = (byte)(X1[ARIA_BRF(t[3],3)] );
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outBlock[13] = (byte)(X2[ARIA_BRF(t[3],2)]>>8);
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outBlock[14] = (byte)(S1[ARIA_BRF(t[3],1)] );
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outBlock[15] = (byte)(S2[ARIA_BRF(t[3],0)] );
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// 'outBlock' and 'xorBlock' may be unaligned.
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if (xorBlock != NULLPTR)
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{
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vst1q_u8(outBlock,
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veorq_u8(
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vld1q_u8(xorBlock),
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veorq_u8(
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vld1q_u8(outBlock),
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vrev32q_u8(vld1q_u8((rk))))));
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}
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else
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{
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vst1q_u8(outBlock,
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veorq_u8(
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vld1q_u8(outBlock),
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vrev32q_u8(vld1q_u8(rk))));
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}
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}
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#endif // CRYPTOPP_ARM_NEON_AVAILABLE
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#if (CRYPTOPP_SSSE3_AVAILABLE)
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void ARIA_ProcessAndXorBlock_SSSE3(const byte* xorBlock, byte* outBlock, const byte *rk, word32 *t)
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{
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const __m128i MASK = _mm_set_epi8(12,13,14,15, 8,9,10,11, 4,5,6,7, 0,1,2,3);
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outBlock[ 0] = (byte)(X1[ARIA_BRF(t[0],3)] );
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outBlock[ 1] = (byte)(X2[ARIA_BRF(t[0],2)]>>8);
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outBlock[ 2] = (byte)(S1[ARIA_BRF(t[0],1)] );
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outBlock[ 3] = (byte)(S2[ARIA_BRF(t[0],0)] );
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outBlock[ 4] = (byte)(X1[ARIA_BRF(t[1],3)] );
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outBlock[ 5] = (byte)(X2[ARIA_BRF(t[1],2)]>>8);
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outBlock[ 6] = (byte)(S1[ARIA_BRF(t[1],1)] );
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outBlock[ 7] = (byte)(S2[ARIA_BRF(t[1],0)] );
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outBlock[ 8] = (byte)(X1[ARIA_BRF(t[2],3)] );
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outBlock[ 9] = (byte)(X2[ARIA_BRF(t[2],2)]>>8);
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outBlock[10] = (byte)(S1[ARIA_BRF(t[2],1)] );
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outBlock[11] = (byte)(S2[ARIA_BRF(t[2],0)] );
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outBlock[12] = (byte)(X1[ARIA_BRF(t[3],3)] );
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outBlock[13] = (byte)(X2[ARIA_BRF(t[3],2)]>>8);
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outBlock[14] = (byte)(S1[ARIA_BRF(t[3],1)] );
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outBlock[15] = (byte)(S2[ARIA_BRF(t[3],0)] );
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// 'outBlock' and 'xorBlock' may be unaligned.
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if (xorBlock != NULLPTR)
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{
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_mm_storeu_si128(M128_CAST(outBlock),
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_mm_xor_si128(
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_mm_loadu_si128(CONST_M128_CAST(xorBlock)),
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_mm_xor_si128(
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_mm_loadu_si128(CONST_M128_CAST(outBlock)),
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_mm_shuffle_epi8(_mm_load_si128(CONST_M128_CAST(rk)), MASK)))
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);
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}
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else
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{
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_mm_storeu_si128(M128_CAST(outBlock),
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_mm_xor_si128(_mm_loadu_si128(CONST_M128_CAST(outBlock)),
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_mm_shuffle_epi8(_mm_load_si128(CONST_M128_CAST(rk)), MASK)));
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}
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}
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#endif // CRYPTOPP_SSSE3_AVAILABLE
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NAMESPACE_END
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