mirror of
https://github.com/shadps4-emu/ext-cryptopp.git
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780 lines
27 KiB
C++
780 lines
27 KiB
C++
// speck64_simd.cpp - written and placed in the public domain by Jeffrey Walton
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//
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// This source file uses intrinsics and built-ins to gain access to
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// SSSE3, ARM NEON and ARMv8a, and Altivec instructions. A separate
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// source file is needed because additional CXXFLAGS are required to enable
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// the 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 "speck.h"
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#include "misc.h"
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// Uncomment for benchmarking C++ against SSE or NEON.
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// Do so in both speck.cpp and speck-simd.cpp.
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// #undef CRYPTOPP_SSE41_AVAILABLE
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// #undef CRYPTOPP_ARM_NEON_AVAILABLE
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#if (CRYPTOPP_SSE41_AVAILABLE)
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# include "adv_simd.h"
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# include <pmmintrin.h>
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# include <tmmintrin.h>
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# include <smmintrin.h>
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#endif
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#if defined(__XOP__)
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# include <ammintrin.h>
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#endif
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// C1189: error: This header is specific to ARM targets
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#if (CRYPTOPP_ARM_NEON_AVAILABLE)
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# include "adv_simd.h"
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# ifndef _M_ARM64
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# include <arm_neon.h>
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# endif
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#endif
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#if (CRYPTOPP_ARM_ACLE_AVAILABLE)
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# include <stdint.h>
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# include <arm_acle.h>
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#endif
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#if defined(CRYPTOPP_ALTIVEC_AVAILABLE)
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# include "adv_simd.h"
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# include "ppc_simd.h"
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#endif
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// Squash MS LNK4221 and libtool warnings
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extern const char SPECK64_SIMD_FNAME[] = __FILE__;
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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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using CryptoPP::word64;
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// *************************** ARM NEON ************************** //
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#if (CRYPTOPP_ARM_NEON_AVAILABLE)
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template <class T>
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inline T UnpackHigh32(const T& a, const T& b)
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{
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const uint32x2_t x(vget_high_u32((uint32x4_t)a));
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const uint32x2_t y(vget_high_u32((uint32x4_t)b));
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const uint32x2x2_t r = vzip_u32(x, y);
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return (T)vcombine_u32(r.val[0], r.val[1]);
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}
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template <class T>
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inline T UnpackLow32(const T& a, const T& b)
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{
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const uint32x2_t x(vget_low_u32((uint32x4_t)a));
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const uint32x2_t y(vget_low_u32((uint32x4_t)b));
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const uint32x2x2_t r = vzip_u32(x, y);
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return (T)vcombine_u32(r.val[0], r.val[1]);
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}
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template <unsigned int R>
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inline uint32x4_t RotateLeft32(const uint32x4_t& val)
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{
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const uint32x4_t a(vshlq_n_u32(val, R));
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const uint32x4_t b(vshrq_n_u32(val, 32 - R));
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return vorrq_u32(a, b);
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}
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template <unsigned int R>
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inline uint32x4_t RotateRight32(const uint32x4_t& val)
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{
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const uint32x4_t a(vshlq_n_u32(val, 32 - R));
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const uint32x4_t b(vshrq_n_u32(val, R));
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return vorrq_u32(a, b);
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}
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#if defined(__aarch32__) || defined(__aarch64__)
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// Faster than two Shifts and an Or. Thanks to Louis Wingers and Bryan Weeks.
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template <>
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inline uint32x4_t RotateLeft32<8>(const uint32x4_t& val)
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{
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const uint8_t maskb[16] = { 3,0,1,2, 7,4,5,6, 11,8,9,10, 15,12,13,14 };
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const uint8x16_t mask = vld1q_u8(maskb);
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return vreinterpretq_u32_u8(
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vqtbl1q_u8(vreinterpretq_u8_u32(val), mask));
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}
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// Faster than two Shifts and an Or. Thanks to Louis Wingers and Bryan Weeks.
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template <>
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inline uint32x4_t RotateRight32<8>(const uint32x4_t& val)
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{
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const uint8_t maskb[16] = { 1,2,3,0, 5,6,7,4, 9,10,11,8, 13,14,15,12 };
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const uint8x16_t mask = vld1q_u8(maskb);
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return vreinterpretq_u32_u8(
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vqtbl1q_u8(vreinterpretq_u8_u32(val), mask));
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}
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#endif // Aarch32 or Aarch64
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inline void SPECK64_Enc_Block(uint32x4_t &block0, uint32x4_t &block1,
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const word32 *subkeys, unsigned int rounds)
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{
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// [A1 A2 A3 A4][B1 B2 B3 B4] ... => [A1 A3 B1 B3][A2 A4 B2 B4] ...
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uint32x4_t x1 = vuzpq_u32(block0, block1).val[1];
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uint32x4_t y1 = vuzpq_u32(block0, block1).val[0];
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for (int i=0; i < static_cast<int>(rounds); ++i)
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{
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const uint32x4_t rk = vdupq_n_u32(subkeys[i]);
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x1 = RotateRight32<8>(x1);
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x1 = vaddq_u32(x1, y1);
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x1 = veorq_u32(x1, rk);
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y1 = RotateLeft32<3>(y1);
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y1 = veorq_u32(y1, x1);
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}
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// [A1 A3 B1 B3][A2 A4 B2 B4] => [A1 A2 A3 A4][B1 B2 B3 B4]
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block0 = UnpackLow32(y1, x1);
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block1 = UnpackHigh32(y1, x1);
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}
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inline void SPECK64_Dec_Block(uint32x4_t &block0, uint32x4_t &block1,
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const word32 *subkeys, unsigned int rounds)
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{
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// [A1 A2 A3 A4][B1 B2 B3 B4] ... => [A1 A3 B1 B3][A2 A4 B2 B4] ...
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uint32x4_t x1 = vuzpq_u32(block0, block1).val[1];
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uint32x4_t y1 = vuzpq_u32(block0, block1).val[0];
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for (int i = static_cast<int>(rounds-1); i >= 0; --i)
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{
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const uint32x4_t rk = vdupq_n_u32(subkeys[i]);
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y1 = veorq_u32(y1, x1);
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y1 = RotateRight32<3>(y1);
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x1 = veorq_u32(x1, rk);
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x1 = vsubq_u32(x1, y1);
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x1 = RotateLeft32<8>(x1);
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}
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// [A1 A3 B1 B3][A2 A4 B2 B4] => [A1 A2 A3 A4][B1 B2 B3 B4]
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block0 = UnpackLow32(y1, x1);
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block1 = UnpackHigh32(y1, x1);
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}
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inline void SPECK64_Enc_6_Blocks(uint32x4_t &block0, uint32x4_t &block1,
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uint32x4_t &block2, uint32x4_t &block3, uint32x4_t &block4, uint32x4_t &block5,
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const word32 *subkeys, unsigned int rounds)
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{
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// [A1 A2 A3 A4][B1 B2 B3 B4] ... => [A1 A3 B1 B3][A2 A4 B2 B4] ...
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uint32x4_t x1 = vuzpq_u32(block0, block1).val[1];
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uint32x4_t y1 = vuzpq_u32(block0, block1).val[0];
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uint32x4_t x2 = vuzpq_u32(block2, block3).val[1];
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uint32x4_t y2 = vuzpq_u32(block2, block3).val[0];
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uint32x4_t x3 = vuzpq_u32(block4, block5).val[1];
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uint32x4_t y3 = vuzpq_u32(block4, block5).val[0];
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for (int i=0; i < static_cast<int>(rounds); ++i)
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{
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const uint32x4_t rk = vdupq_n_u32(subkeys[i]);
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x1 = RotateRight32<8>(x1);
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x2 = RotateRight32<8>(x2);
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x3 = RotateRight32<8>(x3);
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x1 = vaddq_u32(x1, y1);
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x2 = vaddq_u32(x2, y2);
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x3 = vaddq_u32(x3, y3);
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x1 = veorq_u32(x1, rk);
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x2 = veorq_u32(x2, rk);
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x3 = veorq_u32(x3, rk);
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y1 = RotateLeft32<3>(y1);
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y2 = RotateLeft32<3>(y2);
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y3 = RotateLeft32<3>(y3);
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y1 = veorq_u32(y1, x1);
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y2 = veorq_u32(y2, x2);
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y3 = veorq_u32(y3, x3);
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}
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// [A1 A3 B1 B3][A2 A4 B2 B4] => [A1 A2 A3 A4][B1 B2 B3 B4]
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block0 = UnpackLow32(y1, x1);
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block1 = UnpackHigh32(y1, x1);
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block2 = UnpackLow32(y2, x2);
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block3 = UnpackHigh32(y2, x2);
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block4 = UnpackLow32(y3, x3);
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block5 = UnpackHigh32(y3, x3);
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}
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inline void SPECK64_Dec_6_Blocks(uint32x4_t &block0, uint32x4_t &block1,
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uint32x4_t &block2, uint32x4_t &block3, uint32x4_t &block4, uint32x4_t &block5,
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const word32 *subkeys, unsigned int rounds)
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{
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// [A1 A2 A3 A4][B1 B2 B3 B4] ... => [A1 A3 B1 B3][A2 A4 B2 B4] ...
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uint32x4_t x1 = vuzpq_u32(block0, block1).val[1];
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uint32x4_t y1 = vuzpq_u32(block0, block1).val[0];
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uint32x4_t x2 = vuzpq_u32(block2, block3).val[1];
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uint32x4_t y2 = vuzpq_u32(block2, block3).val[0];
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uint32x4_t x3 = vuzpq_u32(block4, block5).val[1];
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uint32x4_t y3 = vuzpq_u32(block4, block5).val[0];
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for (int i = static_cast<int>(rounds-1); i >= 0; --i)
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{
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const uint32x4_t rk = vdupq_n_u32(subkeys[i]);
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y1 = veorq_u32(y1, x1);
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y2 = veorq_u32(y2, x2);
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y3 = veorq_u32(y3, x3);
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y1 = RotateRight32<3>(y1);
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y2 = RotateRight32<3>(y2);
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y3 = RotateRight32<3>(y3);
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x1 = veorq_u32(x1, rk);
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x2 = veorq_u32(x2, rk);
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x3 = veorq_u32(x3, rk);
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x1 = vsubq_u32(x1, y1);
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x2 = vsubq_u32(x2, y2);
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x3 = vsubq_u32(x3, y3);
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x1 = RotateLeft32<8>(x1);
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x2 = RotateLeft32<8>(x2);
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x3 = RotateLeft32<8>(x3);
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}
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// [A1 A3 B1 B3][A2 A4 B2 B4] => [A1 A2 A3 A4][B1 B2 B3 B4]
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block0 = UnpackLow32(y1, x1);
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block1 = UnpackHigh32(y1, x1);
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block2 = UnpackLow32(y2, x2);
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block3 = UnpackHigh32(y2, x2);
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block4 = UnpackLow32(y3, x3);
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block5 = UnpackHigh32(y3, x3);
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}
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#endif // CRYPTOPP_ARM_NEON_AVAILABLE
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// ***************************** IA-32 ***************************** //
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#if defined(CRYPTOPP_SSE41_AVAILABLE)
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template <unsigned int R>
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inline __m128i RotateLeft32(const __m128i& val)
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{
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#if defined(__XOP__)
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return _mm_roti_epi32(val, R);
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#else
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return _mm_or_si128(
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_mm_slli_epi32(val, R), _mm_srli_epi32(val, 32-R));
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#endif
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}
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template <unsigned int R>
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inline __m128i RotateRight32(const __m128i& val)
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{
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#if defined(__XOP__)
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return _mm_roti_epi32(val, 32-R);
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#else
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return _mm_or_si128(
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_mm_slli_epi32(val, 32-R), _mm_srli_epi32(val, R));
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#endif
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}
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// Faster than two Shifts and an Or. Thanks to Louis Wingers and Bryan Weeks.
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template <>
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__m128i RotateLeft32<8>(const __m128i& val)
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{
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#if defined(__XOP__)
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return _mm_roti_epi32(val, 8);
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#else
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const __m128i mask = _mm_set_epi8(14,13,12,15, 10,9,8,11, 6,5,4,7, 2,1,0,3);
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return _mm_shuffle_epi8(val, mask);
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#endif
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}
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// Faster than two Shifts and an Or. Thanks to Louis Wingers and Bryan Weeks.
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template <>
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__m128i RotateRight32<8>(const __m128i& val)
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{
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#if defined(__XOP__)
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return _mm_roti_epi32(val, 32-8);
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#else
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const __m128i mask = _mm_set_epi8(12,15,14,13, 8,11,10,9, 4,7,6,5, 0,3,2,1);
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return _mm_shuffle_epi8(val, mask);
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#endif
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}
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inline void SPECK64_Enc_Block(__m128i &block0, __m128i &block1,
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const word32 *subkeys, unsigned int rounds)
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{
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// [A1 A2 A3 A4][B1 B2 B3 B4] ... => [A1 A3 B1 B3][A2 A4 B2 B4] ...
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const __m128 t0 = _mm_castsi128_ps(block0);
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const __m128 t1 = _mm_castsi128_ps(block1);
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__m128i x1 = _mm_castps_si128(_mm_shuffle_ps(t0, t1, _MM_SHUFFLE(3,1,3,1)));
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__m128i y1 = _mm_castps_si128(_mm_shuffle_ps(t0, t1, _MM_SHUFFLE(2,0,2,0)));
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for (int i=0; i < static_cast<int>(rounds); ++i)
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{
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const __m128i rk = _mm_set1_epi32(subkeys[i]);
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x1 = RotateRight32<8>(x1);
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x1 = _mm_add_epi32(x1, y1);
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x1 = _mm_xor_si128(x1, rk);
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y1 = RotateLeft32<3>(y1);
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y1 = _mm_xor_si128(y1, x1);
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}
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// The is roughly the SSE equivalent to ARM vzp32
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// [A1 A3 B1 B3][A2 A4 B2 B4] => [A1 A2 A3 A4][B1 B2 B3 B4]
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block0 = _mm_unpacklo_epi32(y1, x1);
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block1 = _mm_unpackhi_epi32(y1, x1);
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}
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inline void SPECK64_Dec_Block(__m128i &block0, __m128i &block1,
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const word32 *subkeys, unsigned int rounds)
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{
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// [A1 A2 A3 A4][B1 B2 B3 B4] ... => [A1 A3 B1 B3][A2 A4 B2 B4] ...
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const __m128 t0 = _mm_castsi128_ps(block0);
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const __m128 t1 = _mm_castsi128_ps(block1);
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__m128i x1 = _mm_castps_si128(_mm_shuffle_ps(t0, t1, _MM_SHUFFLE(3,1,3,1)));
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__m128i y1 = _mm_castps_si128(_mm_shuffle_ps(t0, t1, _MM_SHUFFLE(2,0,2,0)));
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for (int i = static_cast<int>(rounds-1); i >= 0; --i)
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{
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const __m128i rk = _mm_set1_epi32(subkeys[i]);
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y1 = _mm_xor_si128(y1, x1);
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y1 = RotateRight32<3>(y1);
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x1 = _mm_xor_si128(x1, rk);
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x1 = _mm_sub_epi32(x1, y1);
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x1 = RotateLeft32<8>(x1);
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}
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// The is roughly the SSE equivalent to ARM vzp32
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// [A1 A3 B1 B3][A2 A4 B2 B4] => [A1 A2 A3 A4][B1 B2 B3 B4]
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block0 = _mm_unpacklo_epi32(y1, x1);
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block1 = _mm_unpackhi_epi32(y1, x1);
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}
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inline void SPECK64_Enc_6_Blocks(__m128i &block0, __m128i &block1,
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__m128i &block2, __m128i &block3, __m128i &block4, __m128i &block5,
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const word32 *subkeys, unsigned int rounds)
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{
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// [A1 A2 A3 A4][B1 B2 B3 B4] ... => [A1 A3 B1 B3][A2 A4 B2 B4] ...
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const __m128 t0 = _mm_castsi128_ps(block0);
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const __m128 t1 = _mm_castsi128_ps(block1);
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__m128i x1 = _mm_castps_si128(_mm_shuffle_ps(t0, t1, _MM_SHUFFLE(3,1,3,1)));
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__m128i y1 = _mm_castps_si128(_mm_shuffle_ps(t0, t1, _MM_SHUFFLE(2,0,2,0)));
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const __m128 t2 = _mm_castsi128_ps(block2);
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const __m128 t3 = _mm_castsi128_ps(block3);
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__m128i x2 = _mm_castps_si128(_mm_shuffle_ps(t2, t3, _MM_SHUFFLE(3,1,3,1)));
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__m128i y2 = _mm_castps_si128(_mm_shuffle_ps(t2, t3, _MM_SHUFFLE(2,0,2,0)));
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const __m128 t4 = _mm_castsi128_ps(block4);
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const __m128 t5 = _mm_castsi128_ps(block5);
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__m128i x3 = _mm_castps_si128(_mm_shuffle_ps(t4, t5, _MM_SHUFFLE(3,1,3,1)));
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__m128i y3 = _mm_castps_si128(_mm_shuffle_ps(t4, t5, _MM_SHUFFLE(2,0,2,0)));
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for (int i=0; i < static_cast<int>(rounds); ++i)
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{
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const __m128i rk = _mm_set1_epi32(subkeys[i]);
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x1 = RotateRight32<8>(x1);
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x2 = RotateRight32<8>(x2);
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x3 = RotateRight32<8>(x3);
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x1 = _mm_add_epi32(x1, y1);
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x2 = _mm_add_epi32(x2, y2);
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x3 = _mm_add_epi32(x3, y3);
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x1 = _mm_xor_si128(x1, rk);
|
|
x2 = _mm_xor_si128(x2, rk);
|
|
x3 = _mm_xor_si128(x3, rk);
|
|
y1 = RotateLeft32<3>(y1);
|
|
y2 = RotateLeft32<3>(y2);
|
|
y3 = RotateLeft32<3>(y3);
|
|
y1 = _mm_xor_si128(y1, x1);
|
|
y2 = _mm_xor_si128(y2, x2);
|
|
y3 = _mm_xor_si128(y3, x3);
|
|
}
|
|
|
|
// The is roughly the SSE equivalent to ARM vzp32
|
|
// [A1 A3 B1 B3][A2 A4 B2 B4] => [A1 A2 A3 A4][B1 B2 B3 B4]
|
|
block0 = _mm_unpacklo_epi32(y1, x1);
|
|
block1 = _mm_unpackhi_epi32(y1, x1);
|
|
block2 = _mm_unpacklo_epi32(y2, x2);
|
|
block3 = _mm_unpackhi_epi32(y2, x2);
|
|
block4 = _mm_unpacklo_epi32(y3, x3);
|
|
block5 = _mm_unpackhi_epi32(y3, x3);
|
|
}
|
|
|
|
inline void SPECK64_Dec_6_Blocks(__m128i &block0, __m128i &block1,
|
|
__m128i &block2, __m128i &block3, __m128i &block4, __m128i &block5,
|
|
const word32 *subkeys, unsigned int rounds)
|
|
{
|
|
// [A1 A2 A3 A4][B1 B2 B3 B4] ... => [A1 A3 B1 B3][A2 A4 B2 B4] ...
|
|
const __m128 t0 = _mm_castsi128_ps(block0);
|
|
const __m128 t1 = _mm_castsi128_ps(block1);
|
|
__m128i x1 = _mm_castps_si128(_mm_shuffle_ps(t0, t1, _MM_SHUFFLE(3,1,3,1)));
|
|
__m128i y1 = _mm_castps_si128(_mm_shuffle_ps(t0, t1, _MM_SHUFFLE(2,0,2,0)));
|
|
|
|
const __m128 t2 = _mm_castsi128_ps(block2);
|
|
const __m128 t3 = _mm_castsi128_ps(block3);
|
|
__m128i x2 = _mm_castps_si128(_mm_shuffle_ps(t2, t3, _MM_SHUFFLE(3,1,3,1)));
|
|
__m128i y2 = _mm_castps_si128(_mm_shuffle_ps(t2, t3, _MM_SHUFFLE(2,0,2,0)));
|
|
|
|
const __m128 t4 = _mm_castsi128_ps(block4);
|
|
const __m128 t5 = _mm_castsi128_ps(block5);
|
|
__m128i x3 = _mm_castps_si128(_mm_shuffle_ps(t4, t5, _MM_SHUFFLE(3,1,3,1)));
|
|
__m128i y3 = _mm_castps_si128(_mm_shuffle_ps(t4, t5, _MM_SHUFFLE(2,0,2,0)));
|
|
|
|
for (int i = static_cast<int>(rounds-1); i >= 0; --i)
|
|
{
|
|
const __m128i rk = _mm_set1_epi32(subkeys[i]);
|
|
|
|
y1 = _mm_xor_si128(y1, x1);
|
|
y2 = _mm_xor_si128(y2, x2);
|
|
y3 = _mm_xor_si128(y3, x3);
|
|
y1 = RotateRight32<3>(y1);
|
|
y2 = RotateRight32<3>(y2);
|
|
y3 = RotateRight32<3>(y3);
|
|
x1 = _mm_xor_si128(x1, rk);
|
|
x2 = _mm_xor_si128(x2, rk);
|
|
x3 = _mm_xor_si128(x3, rk);
|
|
x1 = _mm_sub_epi32(x1, y1);
|
|
x2 = _mm_sub_epi32(x2, y2);
|
|
x3 = _mm_sub_epi32(x3, y3);
|
|
x1 = RotateLeft32<8>(x1);
|
|
x2 = RotateLeft32<8>(x2);
|
|
x3 = RotateLeft32<8>(x3);
|
|
}
|
|
|
|
// The is roughly the SSE equivalent to ARM vzp32
|
|
// [A1 A3 B1 B3][A2 A4 B2 B4] => [A1 A2 A3 A4][B1 B2 B3 B4]
|
|
block0 = _mm_unpacklo_epi32(y1, x1);
|
|
block1 = _mm_unpackhi_epi32(y1, x1);
|
|
block2 = _mm_unpacklo_epi32(y2, x2);
|
|
block3 = _mm_unpackhi_epi32(y2, x2);
|
|
block4 = _mm_unpacklo_epi32(y3, x3);
|
|
block5 = _mm_unpackhi_epi32(y3, x3);
|
|
}
|
|
|
|
#endif // CRYPTOPP_SSE41_AVAILABLE
|
|
|
|
// ***************************** Altivec ***************************** //
|
|
|
|
#if defined(CRYPTOPP_ALTIVEC_AVAILABLE)
|
|
using CryptoPP::uint8x16_p;
|
|
using CryptoPP::uint32x4_p;
|
|
|
|
using CryptoPP::VecAdd;
|
|
using CryptoPP::VecSub;
|
|
using CryptoPP::VecXor;
|
|
using CryptoPP::VecLoad;
|
|
using CryptoPP::VecPermute;
|
|
|
|
// Rotate left by bit count
|
|
template<unsigned int C>
|
|
inline uint32x4_p RotateLeft32(const uint32x4_p val)
|
|
{
|
|
const uint32x4_p m = {C, C, C, C};
|
|
return vec_rl(val, m);
|
|
}
|
|
|
|
// Rotate right by bit count
|
|
template<unsigned int C>
|
|
inline uint32x4_p RotateRight32(const uint32x4_p val)
|
|
{
|
|
const uint32x4_p m = {32-C, 32-C, 32-C, 32-C};
|
|
return vec_rl(val, m);
|
|
}
|
|
|
|
void SPECK64_Enc_Block(uint32x4_p &block0, uint32x4_p &block1,
|
|
const word32 *subkeys, unsigned int rounds)
|
|
{
|
|
#if (CRYPTOPP_BIG_ENDIAN)
|
|
const uint8x16_p m1 = {7,6,5,4, 15,14,13,12, 23,22,21,20, 31,30,29,28};
|
|
const uint8x16_p m2 = {3,2,1,0, 11,10,9,8, 19,18,17,16, 27,26,25,24};
|
|
#else
|
|
const uint8x16_p m1 = {3,2,1,0, 11,10,9,8, 19,18,17,16, 27,26,25,24};
|
|
const uint8x16_p m2 = {7,6,5,4, 15,14,13,12, 23,22,21,20, 31,30,29,28};
|
|
#endif
|
|
|
|
// [A1 A2 A3 A4][B1 B2 B3 B4] ... => [A1 A3 B1 B3][A2 A4 B2 B4] ...
|
|
uint32x4_p x1 = VecPermute(block0, block1, m1);
|
|
uint32x4_p y1 = VecPermute(block0, block1, m2);
|
|
|
|
for (int i=0; i < static_cast<int>(rounds); ++i)
|
|
{
|
|
#if CRYPTOPP_POWER8_AVAILABLE
|
|
const uint32x4_p rk = vec_splats(subkeys[i]);
|
|
#else
|
|
// subkeys has extra elements so memory backs the last subkey
|
|
const uint8x16_p m = {0,1,2,3, 0,1,2,3, 0,1,2,3, 0,1,2,3};
|
|
uint32x4_p rk = VecLoad(subkeys+i);
|
|
rk = VecPermute(rk, rk, m);
|
|
#endif
|
|
|
|
x1 = RotateRight32<8>(x1);
|
|
x1 = VecAdd(x1, y1);
|
|
x1 = VecXor(x1, rk);
|
|
|
|
y1 = RotateLeft32<3>(y1);
|
|
y1 = VecXor(y1, x1);
|
|
}
|
|
|
|
#if (CRYPTOPP_BIG_ENDIAN)
|
|
const uint8x16_p m3 = {19,18,17,16, 3,2,1,0, 23,22,21,20, 7,6,5,4};
|
|
const uint8x16_p m4 = {27,26,25,24, 11,10,9,8, 31,30,29,28, 15,14,13,12};
|
|
#else
|
|
const uint8x16_p m3 = {3,2,1,0, 19,18,17,16, 7,6,5,4, 23,22,21,20};
|
|
const uint8x16_p m4 = {11,10,9,8, 27,26,25,24, 15,14,13,12, 31,30,29,28};
|
|
#endif
|
|
|
|
// [A1 A3 B1 B3][A2 A4 B2 B4] => [A1 A2 A3 A4][B1 B2 B3 B4]
|
|
block0 = (uint32x4_p)VecPermute(x1, y1, m3);
|
|
block1 = (uint32x4_p)VecPermute(x1, y1, m4);
|
|
}
|
|
|
|
void SPECK64_Dec_Block(uint32x4_p &block0, uint32x4_p &block1,
|
|
const word32 *subkeys, unsigned int rounds)
|
|
{
|
|
#if (CRYPTOPP_BIG_ENDIAN)
|
|
const uint8x16_p m1 = {7,6,5,4, 15,14,13,12, 23,22,21,20, 31,30,29,28};
|
|
const uint8x16_p m2 = {3,2,1,0, 11,10,9,8, 19,18,17,16, 27,26,25,24};
|
|
#else
|
|
const uint8x16_p m1 = {3,2,1,0, 11,10,9,8, 19,18,17,16, 27,26,25,24};
|
|
const uint8x16_p m2 = {7,6,5,4, 15,14,13,12, 23,22,21,20, 31,30,29,28};
|
|
#endif
|
|
|
|
// [A1 A2 A3 A4][B1 B2 B3 B4] ... => [A1 A3 B1 B3][A2 A4 B2 B4] ...
|
|
uint32x4_p x1 = VecPermute(block0, block1, m1);
|
|
uint32x4_p y1 = VecPermute(block0, block1, m2);
|
|
|
|
for (int i = static_cast<int>(rounds-1); i >= 0; --i)
|
|
{
|
|
#if CRYPTOPP_POWER8_AVAILABLE
|
|
const uint32x4_p rk = vec_splats(subkeys[i]);
|
|
#else
|
|
// subkeys has extra elements so memory backs the last subkey
|
|
const uint8x16_p m = {0,1,2,3, 0,1,2,3, 0,1,2,3, 0,1,2,3};
|
|
uint32x4_p rk = VecLoad(subkeys+i);
|
|
rk = VecPermute(rk, rk, m);
|
|
#endif
|
|
|
|
y1 = VecXor(y1, x1);
|
|
y1 = RotateRight32<3>(y1);
|
|
|
|
x1 = VecXor(x1, rk);
|
|
x1 = VecSub(x1, y1);
|
|
x1 = RotateLeft32<8>(x1);
|
|
}
|
|
|
|
#if (CRYPTOPP_BIG_ENDIAN)
|
|
const uint8x16_p m3 = {19,18,17,16, 3,2,1,0, 23,22,21,20, 7,6,5,4};
|
|
const uint8x16_p m4 = {27,26,25,24, 11,10,9,8, 31,30,29,28, 15,14,13,12};
|
|
#else
|
|
const uint8x16_p m3 = {3,2,1,0, 19,18,17,16, 7,6,5,4, 23,22,21,20};
|
|
const uint8x16_p m4 = {11,10,9,8, 27,26,25,24, 15,14,13,12, 31,30,29,28};
|
|
#endif
|
|
|
|
// [A1 A3 B1 B3][A2 A4 B2 B4] => [A1 A2 A3 A4][B1 B2 B3 B4]
|
|
block0 = (uint32x4_p)VecPermute(x1, y1, m3);
|
|
block1 = (uint32x4_p)VecPermute(x1, y1, m4);
|
|
}
|
|
|
|
void SPECK64_Enc_6_Blocks(uint32x4_p &block0, uint32x4_p &block1,
|
|
uint32x4_p &block2, uint32x4_p &block3, uint32x4_p &block4,
|
|
uint32x4_p &block5, const word32 *subkeys, unsigned int rounds)
|
|
{
|
|
#if (CRYPTOPP_BIG_ENDIAN)
|
|
const uint8x16_p m1 = {7,6,5,4, 15,14,13,12, 23,22,21,20, 31,30,29,28};
|
|
const uint8x16_p m2 = {3,2,1,0, 11,10,9,8, 19,18,17,16, 27,26,25,24};
|
|
#else
|
|
const uint8x16_p m1 = {3,2,1,0, 11,10,9,8, 19,18,17,16, 27,26,25,24};
|
|
const uint8x16_p m2 = {7,6,5,4, 15,14,13,12, 23,22,21,20, 31,30,29,28};
|
|
#endif
|
|
|
|
// [A1 A2 A3 A4][B1 B2 B3 B4] ... => [A1 A3 B1 B3][A2 A4 B2 B4] ...
|
|
uint32x4_p x1 = (uint32x4_p)VecPermute(block0, block1, m1);
|
|
uint32x4_p y1 = (uint32x4_p)VecPermute(block0, block1, m2);
|
|
uint32x4_p x2 = (uint32x4_p)VecPermute(block2, block3, m1);
|
|
uint32x4_p y2 = (uint32x4_p)VecPermute(block2, block3, m2);
|
|
uint32x4_p x3 = (uint32x4_p)VecPermute(block4, block5, m1);
|
|
uint32x4_p y3 = (uint32x4_p)VecPermute(block4, block5, m2);
|
|
|
|
for (int i=0; i < static_cast<int>(rounds); ++i)
|
|
{
|
|
#if CRYPTOPP_POWER8_AVAILABLE
|
|
const uint32x4_p rk = vec_splats(subkeys[i]);
|
|
#else
|
|
// subkeys has extra elements so memory backs the last subkey
|
|
const uint8x16_p m = {0,1,2,3, 0,1,2,3, 0,1,2,3, 0,1,2,3};
|
|
uint32x4_p rk = VecLoad(subkeys+i);
|
|
rk = VecPermute(rk, rk, m);
|
|
#endif
|
|
|
|
x1 = RotateRight32<8>(x1);
|
|
x2 = RotateRight32<8>(x2);
|
|
x3 = RotateRight32<8>(x3);
|
|
|
|
x1 = VecAdd(x1, y1);
|
|
x2 = VecAdd(x2, y2);
|
|
x3 = VecAdd(x3, y3);
|
|
|
|
x1 = VecXor(x1, rk);
|
|
x2 = VecXor(x2, rk);
|
|
x3 = VecXor(x3, rk);
|
|
|
|
y1 = RotateLeft32<3>(y1);
|
|
y2 = RotateLeft32<3>(y2);
|
|
y3 = RotateLeft32<3>(y3);
|
|
|
|
y1 = VecXor(y1, x1);
|
|
y2 = VecXor(y2, x2);
|
|
y3 = VecXor(y3, x3);
|
|
}
|
|
|
|
#if (CRYPTOPP_BIG_ENDIAN)
|
|
const uint8x16_p m3 = {19,18,17,16, 3,2,1,0, 23,22,21,20, 7,6,5,4};
|
|
const uint8x16_p m4 = {27,26,25,24, 11,10,9,8, 31,30,29,28, 15,14,13,12};
|
|
#else
|
|
const uint8x16_p m3 = {3,2,1,0, 19,18,17,16, 7,6,5,4, 23,22,21,20};
|
|
const uint8x16_p m4 = {11,10,9,8, 27,26,25,24, 15,14,13,12, 31,30,29,28};
|
|
#endif
|
|
|
|
// [A1 A3 B1 B3][A2 A4 B2 B4] => [A1 A2 A3 A4][B1 B2 B3 B4]
|
|
block0 = (uint32x4_p)VecPermute(x1, y1, m3);
|
|
block1 = (uint32x4_p)VecPermute(x1, y1, m4);
|
|
block2 = (uint32x4_p)VecPermute(x2, y2, m3);
|
|
block3 = (uint32x4_p)VecPermute(x2, y2, m4);
|
|
block4 = (uint32x4_p)VecPermute(x3, y3, m3);
|
|
block5 = (uint32x4_p)VecPermute(x3, y3, m4);
|
|
}
|
|
|
|
void SPECK64_Dec_6_Blocks(uint32x4_p &block0, uint32x4_p &block1,
|
|
uint32x4_p &block2, uint32x4_p &block3, uint32x4_p &block4,
|
|
uint32x4_p &block5, const word32 *subkeys, unsigned int rounds)
|
|
{
|
|
#if (CRYPTOPP_BIG_ENDIAN)
|
|
const uint8x16_p m1 = {7,6,5,4, 15,14,13,12, 23,22,21,20, 31,30,29,28};
|
|
const uint8x16_p m2 = {3,2,1,0, 11,10,9,8, 19,18,17,16, 27,26,25,24};
|
|
#else
|
|
const uint8x16_p m1 = {3,2,1,0, 11,10,9,8, 19,18,17,16, 27,26,25,24};
|
|
const uint8x16_p m2 = {7,6,5,4, 15,14,13,12, 23,22,21,20, 31,30,29,28};
|
|
#endif
|
|
|
|
// [A1 A2 A3 A4][B1 B2 B3 B4] ... => [A1 A3 B1 B3][A2 A4 B2 B4] ...
|
|
uint32x4_p x1 = (uint32x4_p)VecPermute(block0, block1, m1);
|
|
uint32x4_p y1 = (uint32x4_p)VecPermute(block0, block1, m2);
|
|
uint32x4_p x2 = (uint32x4_p)VecPermute(block2, block3, m1);
|
|
uint32x4_p y2 = (uint32x4_p)VecPermute(block2, block3, m2);
|
|
uint32x4_p x3 = (uint32x4_p)VecPermute(block4, block5, m1);
|
|
uint32x4_p y3 = (uint32x4_p)VecPermute(block4, block5, m2);
|
|
|
|
for (int i = static_cast<int>(rounds-1); i >= 0; --i)
|
|
{
|
|
#if CRYPTOPP_POWER8_AVAILABLE
|
|
const uint32x4_p rk = vec_splats(subkeys[i]);
|
|
#else
|
|
// subkeys has extra elements so memory backs the last subkey
|
|
const uint8x16_p m = {0,1,2,3, 0,1,2,3, 0,1,2,3, 0,1,2,3};
|
|
uint32x4_p rk = VecLoad(subkeys+i);
|
|
rk = VecPermute(rk, rk, m);
|
|
#endif
|
|
|
|
y1 = VecXor(y1, x1);
|
|
y2 = VecXor(y2, x2);
|
|
y3 = VecXor(y3, x3);
|
|
|
|
y1 = RotateRight32<3>(y1);
|
|
y2 = RotateRight32<3>(y2);
|
|
y3 = RotateRight32<3>(y3);
|
|
|
|
x1 = VecXor(x1, rk);
|
|
x2 = VecXor(x2, rk);
|
|
x3 = VecXor(x3, rk);
|
|
|
|
x1 = VecSub(x1, y1);
|
|
x2 = VecSub(x2, y2);
|
|
x3 = VecSub(x3, y3);
|
|
|
|
x1 = RotateLeft32<8>(x1);
|
|
x2 = RotateLeft32<8>(x2);
|
|
x3 = RotateLeft32<8>(x3);
|
|
}
|
|
|
|
#if (CRYPTOPP_BIG_ENDIAN)
|
|
const uint8x16_p m3 = {19,18,17,16, 3,2,1,0, 23,22,21,20, 7,6,5,4};
|
|
const uint8x16_p m4 = {27,26,25,24, 11,10,9,8, 31,30,29,28, 15,14,13,12};
|
|
#else
|
|
const uint8x16_p m3 = {3,2,1,0, 19,18,17,16, 7,6,5,4, 23,22,21,20};
|
|
const uint8x16_p m4 = {11,10,9,8, 27,26,25,24, 15,14,13,12, 31,30,29,28};
|
|
#endif
|
|
|
|
// [A1 A3 B1 B3][A2 A4 B2 B4] => [A1 A2 A3 A4][B1 B2 B3 B4]
|
|
block0 = (uint32x4_p)VecPermute(x1, y1, m3);
|
|
block1 = (uint32x4_p)VecPermute(x1, y1, m4);
|
|
block2 = (uint32x4_p)VecPermute(x2, y2, m3);
|
|
block3 = (uint32x4_p)VecPermute(x2, y2, m4);
|
|
block4 = (uint32x4_p)VecPermute(x3, y3, m3);
|
|
block5 = (uint32x4_p)VecPermute(x3, y3, m4);
|
|
}
|
|
|
|
#endif // CRYPTOPP_ALTIVEC_AVAILABLE
|
|
|
|
ANONYMOUS_NAMESPACE_END
|
|
|
|
///////////////////////////////////////////////////////////////////////
|
|
|
|
NAMESPACE_BEGIN(CryptoPP)
|
|
|
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// *************************** ARM NEON **************************** //
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#if (CRYPTOPP_ARM_NEON_AVAILABLE)
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size_t SPECK64_Enc_AdvancedProcessBlocks_NEON(const word32* subKeys, size_t rounds,
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const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags)
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{
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return AdvancedProcessBlocks64_6x2_NEON(SPECK64_Enc_Block, SPECK64_Enc_6_Blocks,
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subKeys, rounds, inBlocks, xorBlocks, outBlocks, length, flags);
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}
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size_t SPECK64_Dec_AdvancedProcessBlocks_NEON(const word32* subKeys, size_t rounds,
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const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags)
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{
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return AdvancedProcessBlocks64_6x2_NEON(SPECK64_Dec_Block, SPECK64_Dec_6_Blocks,
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subKeys, rounds, inBlocks, xorBlocks, outBlocks, length, flags);
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}
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#endif
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// ***************************** IA-32 ***************************** //
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#if defined(CRYPTOPP_SSE41_AVAILABLE)
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size_t SPECK64_Enc_AdvancedProcessBlocks_SSE41(const word32* subKeys, size_t rounds,
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const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags)
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{
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return AdvancedProcessBlocks64_6x2_SSE(SPECK64_Enc_Block, SPECK64_Enc_6_Blocks,
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subKeys, rounds, inBlocks, xorBlocks, outBlocks, length, flags);
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}
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size_t SPECK64_Dec_AdvancedProcessBlocks_SSE41(const word32* subKeys, size_t rounds,
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const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags)
|
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{
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return AdvancedProcessBlocks64_6x2_SSE(SPECK64_Dec_Block, SPECK64_Dec_6_Blocks,
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subKeys, rounds, inBlocks, xorBlocks, outBlocks, length, flags);
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}
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#endif
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// ***************************** Altivec ***************************** //
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#if defined(CRYPTOPP_ALTIVEC_AVAILABLE)
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size_t SPECK64_Enc_AdvancedProcessBlocks_ALTIVEC(const word32* subKeys, size_t rounds,
|
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const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags)
|
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{
|
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return AdvancedProcessBlocks64_6x2_ALTIVEC(SPECK64_Enc_Block, SPECK64_Enc_6_Blocks,
|
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subKeys, rounds, inBlocks, xorBlocks, outBlocks, length, flags);
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}
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size_t SPECK64_Dec_AdvancedProcessBlocks_ALTIVEC(const word32* subKeys, size_t rounds,
|
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const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags)
|
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{
|
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return AdvancedProcessBlocks64_6x2_ALTIVEC(SPECK64_Dec_Block, SPECK64_Dec_6_Blocks,
|
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subKeys, rounds, inBlocks, xorBlocks, outBlocks, length, flags);
|
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}
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#endif
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NAMESPACE_END
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